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authorPierre Schmitz <pierre@archlinux.de>2015-06-04 07:31:04 +0200
committerPierre Schmitz <pierre@archlinux.de>2015-06-04 07:58:39 +0200
commitf6d65e533c62f6deb21342d4901ece24497b433e (patch)
treef28adf0362d14bcd448f7b65a7aaf38650f923aa /vendor
parentc27b2e832fe25651ef2410fae85b41072aae7519 (diff)
Update to MediaWiki 1.25.1
Diffstat (limited to 'vendor')
-rw-r--r--vendor/autoload.php7
-rw-r--r--vendor/composer/ClassLoader.php413
-rw-r--r--vendor/composer/autoload_classmap.php85
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-rw-r--r--vendor/cssjanus/cssjanus/README.md45
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-rw-r--r--vendor/leafo/lessphp/LICENSE660
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-rw-r--r--vendor/leafo/lessphp/tests/outputs_lessjs/mixins-args.css113
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-rw-r--r--vendor/leafo/lessphp/tests/sort.php57
-rw-r--r--vendor/liuggio/statsd-php-client/LICENSE19
-rw-r--r--vendor/liuggio/statsd-php-client/Readme.md149
-rw-r--r--vendor/liuggio/statsd-php-client/composer.json26
-rw-r--r--vendor/liuggio/statsd-php-client/phpunit.xml.dist15
-rw-r--r--vendor/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Entity/StatsdData.php78
-rw-r--r--vendor/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Entity/StatsdDataInterface.php41
-rw-r--r--vendor/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Exception/InvalidArgumentException.php7
-rw-r--r--vendor/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Factory/StatsdDataFactory.php130
-rw-r--r--vendor/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Factory/StatsdDataFactoryInterface.php99
-rw-r--r--vendor/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Monolog/Formatter/StatsDFormatter.php101
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-rw-r--r--vendor/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Sender/EchoSender.php35
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-rw-r--r--vendor/wikimedia/cdb/src/Reader/DBA.php49
-rw-r--r--vendor/wikimedia/cdb/src/Reader/PHP.php220
-rw-r--r--vendor/wikimedia/cdb/src/Util.php100
-rw-r--r--vendor/wikimedia/cdb/src/Writer.php99
-rw-r--r--vendor/wikimedia/cdb/src/Writer/DBA.php63
-rw-r--r--vendor/wikimedia/cdb/src/Writer/PHP.php240
-rw-r--r--vendor/wikimedia/cdb/test/CdbTest.php95
-rw-r--r--vendor/wikimedia/composer-merge-plugin/LICENSE19
-rw-r--r--vendor/wikimedia/composer-merge-plugin/README.md80
-rw-r--r--vendor/wikimedia/composer-merge-plugin/composer.json38
-rw-r--r--vendor/wikimedia/composer-merge-plugin/src/MergePlugin.php411
-rw-r--r--vendor/wikimedia/utfnormal/README.md69
-rw-r--r--vendor/wikimedia/utfnormal/scripts/benchmark.php101
-rw-r--r--vendor/wikimedia/utfnormal/scripts/generate.php273
-rw-r--r--vendor/wikimedia/utfnormal/scripts/memstress.php103
-rw-r--r--vendor/wikimedia/utfnormal/scripts/testdata/berlin.txt454
-rw-r--r--vendor/wikimedia/utfnormal/scripts/testdata/bulgakov.txt40
-rw-r--r--vendor/wikimedia/utfnormal/scripts/testdata/tokyo.txt587
-rw-r--r--vendor/wikimedia/utfnormal/scripts/testdata/washington.txt281
-rw-r--r--vendor/wikimedia/utfnormal/scripts/testdata/young.txt274
-rw-r--r--vendor/wikimedia/utfnormal/src/Constants.php103
-rw-r--r--vendor/wikimedia/utfnormal/src/UtfNormalData.inc14
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-rw-r--r--vendor/wikimedia/utfnormal/src/Util.php157
-rw-r--r--vendor/wikimedia/utfnormal/src/Validator.php770
-rw-r--r--vendor/zordius/lightncandy/.scrutinizer.yml95
-rw-r--r--vendor/zordius/lightncandy/CONTRIBUTING.md18
-rw-r--r--vendor/zordius/lightncandy/HISTORY.md183
-rw-r--r--vendor/zordius/lightncandy/LICENSE.txt19
-rw-r--r--vendor/zordius/lightncandy/README.md670
-rw-r--r--vendor/zordius/lightncandy/UPGRADE.md18
-rw-r--r--vendor/zordius/lightncandy/build/gen_doc6
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-rw-r--r--vendor/zordius/lightncandy/build/travis_push60
-rw-r--r--vendor/zordius/lightncandy/composer.json22
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-rw-r--r--vendor/zordius/lightncandy/phpunit.xml23
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-rw-r--r--vendor/zordius/lightncandy/tests/LCRun3Test.php376
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-rw-r--r--vendor/zordius/lightncandy/tests/errorTest.php410
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-rw-r--r--vendor/zordius/lightncandy/tests/test3.tmpl1
1060 files changed, 65806 insertions, 0 deletions
diff --git a/vendor/autoload.php b/vendor/autoload.php
new file mode 100644
index 00000000..69e72b37
--- /dev/null
+++ b/vendor/autoload.php
@@ -0,0 +1,7 @@
+<?php
+
+// autoload.php @generated by Composer
+
+require_once __DIR__ . '/composer' . '/autoload_real.php';
+
+return ComposerAutoloaderInit9b10cc5cf6896d6e4a31983fc3498786::getLoader();
diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
new file mode 100644
index 00000000..5e1469e8
--- /dev/null
+++ b/vendor/composer/ClassLoader.php
@@ -0,0 +1,413 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ * Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer\Autoload;
+
+/**
+ * ClassLoader implements a PSR-0 class loader
+ *
+ * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md
+ *
+ * $loader = new \Composer\Autoload\ClassLoader();
+ *
+ * // register classes with namespaces
+ * $loader->add('Symfony\Component', __DIR__.'/component');
+ * $loader->add('Symfony', __DIR__.'/framework');
+ *
+ * // activate the autoloader
+ * $loader->register();
+ *
+ * // to enable searching the include path (eg. for PEAR packages)
+ * $loader->setUseIncludePath(true);
+ *
+ * In this example, if you try to use a class in the Symfony\Component
+ * namespace or one of its children (Symfony\Component\Console for instance),
+ * the autoloader will first look for the class under the component/
+ * directory, and it will then fallback to the framework/ directory if not
+ * found before giving up.
+ *
+ * This class is loosely based on the Symfony UniversalClassLoader.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+class ClassLoader
+{
+ // PSR-4
+ private $prefixLengthsPsr4 = array();
+ private $prefixDirsPsr4 = array();
+ private $fallbackDirsPsr4 = array();
+
+ // PSR-0
+ private $prefixesPsr0 = array();
+ private $fallbackDirsPsr0 = array();
+
+ private $useIncludePath = false;
+ private $classMap = array();
+
+ private $classMapAuthoritative = false;
+
+ public function getPrefixes()
+ {
+ if (!empty($this->prefixesPsr0)) {
+ return call_user_func_array('array_merge', $this->prefixesPsr0);
+ }
+
+ return array();
+ }
+
+ public function getPrefixesPsr4()
+ {
+ return $this->prefixDirsPsr4;
+ }
+
+ public function getFallbackDirs()
+ {
+ return $this->fallbackDirsPsr0;
+ }
+
+ public function getFallbackDirsPsr4()
+ {
+ return $this->fallbackDirsPsr4;
+ }
+
+ public function getClassMap()
+ {
+ return $this->classMap;
+ }
+
+ /**
+ * @param array $classMap Class to filename map
+ */
+ public function addClassMap(array $classMap)
+ {
+ if ($this->classMap) {
+ $this->classMap = array_merge($this->classMap, $classMap);
+ } else {
+ $this->classMap = $classMap;
+ }
+ }
+
+ /**
+ * Registers a set of PSR-0 directories for a given prefix, either
+ * appending or prepending to the ones previously set for this prefix.
+ *
+ * @param string $prefix The prefix
+ * @param array|string $paths The PSR-0 root directories
+ * @param bool $prepend Whether to prepend the directories
+ */
+ public function add($prefix, $paths, $prepend = false)
+ {
+ if (!$prefix) {
+ if ($prepend) {
+ $this->fallbackDirsPsr0 = array_merge(
+ (array) $paths,
+ $this->fallbackDirsPsr0
+ );
+ } else {
+ $this->fallbackDirsPsr0 = array_merge(
+ $this->fallbackDirsPsr0,
+ (array) $paths
+ );
+ }
+
+ return;
+ }
+
+ $first = $prefix[0];
+ if (!isset($this->prefixesPsr0[$first][$prefix])) {
+ $this->prefixesPsr0[$first][$prefix] = (array) $paths;
+
+ return;
+ }
+ if ($prepend) {
+ $this->prefixesPsr0[$first][$prefix] = array_merge(
+ (array) $paths,
+ $this->prefixesPsr0[$first][$prefix]
+ );
+ } else {
+ $this->prefixesPsr0[$first][$prefix] = array_merge(
+ $this->prefixesPsr0[$first][$prefix],
+ (array) $paths
+ );
+ }
+ }
+
+ /**
+ * Registers a set of PSR-4 directories for a given namespace, either
+ * appending or prepending to the ones previously set for this namespace.
+ *
+ * @param string $prefix The prefix/namespace, with trailing '\\'
+ * @param array|string $paths The PSR-0 base directories
+ * @param bool $prepend Whether to prepend the directories
+ *
+ * @throws \InvalidArgumentException
+ */
+ public function addPsr4($prefix, $paths, $prepend = false)
+ {
+ if (!$prefix) {
+ // Register directories for the root namespace.
+ if ($prepend) {
+ $this->fallbackDirsPsr4 = array_merge(
+ (array) $paths,
+ $this->fallbackDirsPsr4
+ );
+ } else {
+ $this->fallbackDirsPsr4 = array_merge(
+ $this->fallbackDirsPsr4,
+ (array) $paths
+ );
+ }
+ } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
+ // Register directories for a new namespace.
+ $length = strlen($prefix);
+ if ('\\' !== $prefix[$length - 1]) {
+ throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+ }
+ $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+ $this->prefixDirsPsr4[$prefix] = (array) $paths;
+ } elseif ($prepend) {
+ // Prepend directories for an already registered namespace.
+ $this->prefixDirsPsr4[$prefix] = array_merge(
+ (array) $paths,
+ $this->prefixDirsPsr4[$prefix]
+ );
+ } else {
+ // Append directories for an already registered namespace.
+ $this->prefixDirsPsr4[$prefix] = array_merge(
+ $this->prefixDirsPsr4[$prefix],
+ (array) $paths
+ );
+ }
+ }
+
+ /**
+ * Registers a set of PSR-0 directories for a given prefix,
+ * replacing any others previously set for this prefix.
+ *
+ * @param string $prefix The prefix
+ * @param array|string $paths The PSR-0 base directories
+ */
+ public function set($prefix, $paths)
+ {
+ if (!$prefix) {
+ $this->fallbackDirsPsr0 = (array) $paths;
+ } else {
+ $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
+ }
+ }
+
+ /**
+ * Registers a set of PSR-4 directories for a given namespace,
+ * replacing any others previously set for this namespace.
+ *
+ * @param string $prefix The prefix/namespace, with trailing '\\'
+ * @param array|string $paths The PSR-4 base directories
+ *
+ * @throws \InvalidArgumentException
+ */
+ public function setPsr4($prefix, $paths)
+ {
+ if (!$prefix) {
+ $this->fallbackDirsPsr4 = (array) $paths;
+ } else {
+ $length = strlen($prefix);
+ if ('\\' !== $prefix[$length - 1]) {
+ throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
+ }
+ $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
+ $this->prefixDirsPsr4[$prefix] = (array) $paths;
+ }
+ }
+
+ /**
+ * Turns on searching the include path for class files.
+ *
+ * @param bool $useIncludePath
+ */
+ public function setUseIncludePath($useIncludePath)
+ {
+ $this->useIncludePath = $useIncludePath;
+ }
+
+ /**
+ * Can be used to check if the autoloader uses the include path to check
+ * for classes.
+ *
+ * @return bool
+ */
+ public function getUseIncludePath()
+ {
+ return $this->useIncludePath;
+ }
+
+ /**
+ * Turns off searching the prefix and fallback directories for classes
+ * that have not been registered with the class map.
+ *
+ * @param bool $classMapAuthoritative
+ */
+ public function setClassMapAuthoritative($classMapAuthoritative)
+ {
+ $this->classMapAuthoritative = $classMapAuthoritative;
+ }
+
+ /**
+ * Should class lookup fail if not found in the current class map?
+ *
+ * @return bool
+ */
+ public function isClassMapAuthoritative()
+ {
+ return $this->classMapAuthoritative;
+ }
+
+ /**
+ * Registers this instance as an autoloader.
+ *
+ * @param bool $prepend Whether to prepend the autoloader or not
+ */
+ public function register($prepend = false)
+ {
+ spl_autoload_register(array($this, 'loadClass'), true, $prepend);
+ }
+
+ /**
+ * Unregisters this instance as an autoloader.
+ */
+ public function unregister()
+ {
+ spl_autoload_unregister(array($this, 'loadClass'));
+ }
+
+ /**
+ * Loads the given class or interface.
+ *
+ * @param string $class The name of the class
+ * @return bool|null True if loaded, null otherwise
+ */
+ public function loadClass($class)
+ {
+ if ($file = $this->findFile($class)) {
+ includeFile($file);
+
+ return true;
+ }
+ }
+
+ /**
+ * Finds the path to the file where the class is defined.
+ *
+ * @param string $class The name of the class
+ *
+ * @return string|false The path if found, false otherwise
+ */
+ public function findFile($class)
+ {
+ // work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
+ if ('\\' == $class[0]) {
+ $class = substr($class, 1);
+ }
+
+ // class map lookup
+ if (isset($this->classMap[$class])) {
+ return $this->classMap[$class];
+ }
+ if ($this->classMapAuthoritative) {
+ return false;
+ }
+
+ $file = $this->findFileWithExtension($class, '.php');
+
+ // Search for Hack files if we are running on HHVM
+ if ($file === null && defined('HHVM_VERSION')) {
+ $file = $this->findFileWithExtension($class, '.hh');
+ }
+
+ if ($file === null) {
+ // Remember that this class does not exist.
+ return $this->classMap[$class] = false;
+ }
+
+ return $file;
+ }
+
+ private function findFileWithExtension($class, $ext)
+ {
+ // PSR-4 lookup
+ $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;
+
+ $first = $class[0];
+ if (isset($this->prefixLengthsPsr4[$first])) {
+ foreach ($this->prefixLengthsPsr4[$first] as $prefix => $length) {
+ if (0 === strpos($class, $prefix)) {
+ foreach ($this->prefixDirsPsr4[$prefix] as $dir) {
+ if (file_exists($file = $dir . DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $length))) {
+ return $file;
+ }
+ }
+ }
+ }
+ }
+
+ // PSR-4 fallback dirs
+ foreach ($this->fallbackDirsPsr4 as $dir) {
+ if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
+ return $file;
+ }
+ }
+
+ // PSR-0 lookup
+ if (false !== $pos = strrpos($class, '\\')) {
+ // namespaced class name
+ $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
+ . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
+ } else {
+ // PEAR-like class name
+ $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
+ }
+
+ if (isset($this->prefixesPsr0[$first])) {
+ foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
+ if (0 === strpos($class, $prefix)) {
+ foreach ($dirs as $dir) {
+ if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+ return $file;
+ }
+ }
+ }
+ }
+ }
+
+ // PSR-0 fallback dirs
+ foreach ($this->fallbackDirsPsr0 as $dir) {
+ if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
+ return $file;
+ }
+ }
+
+ // PSR-0 include paths.
+ if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
+ return $file;
+ }
+ }
+}
+
+/**
+ * Scope isolated include.
+ *
+ * Prevents access to $this/self from included files.
+ */
+function includeFile($file)
+{
+ include $file;
+}
diff --git a/vendor/composer/autoload_classmap.php b/vendor/composer/autoload_classmap.php
new file mode 100644
index 00000000..79053ea1
--- /dev/null
+++ b/vendor/composer/autoload_classmap.php
@@ -0,0 +1,85 @@
+<?php
+
+// autoload_classmap.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+ 'CSSJanus' => $vendorDir . '/cssjanus/cssjanus/src/CSSJanus.php',
+ 'CSSJanusTokenizer' => $vendorDir . '/cssjanus/cssjanus/src/CSSJanus.php',
+ 'Cdb\\Exception' => $vendorDir . '/wikimedia/cdb/src/Exception.php',
+ 'Cdb\\Reader' => $vendorDir . '/wikimedia/cdb/src/Reader.php',
+ 'Cdb\\Reader\\DBA' => $vendorDir . '/wikimedia/cdb/src/Reader/DBA.php',
+ 'Cdb\\Reader\\PHP' => $vendorDir . '/wikimedia/cdb/src/Reader/PHP.php',
+ 'Cdb\\Util' => $vendorDir . '/wikimedia/cdb/src/Util.php',
+ 'Cdb\\Writer' => $vendorDir . '/wikimedia/cdb/src/Writer.php',
+ 'Cdb\\Writer\\DBA' => $vendorDir . '/wikimedia/cdb/src/Writer/DBA.php',
+ 'Cdb\\Writer\\PHP' => $vendorDir . '/wikimedia/cdb/src/Writer/PHP.php',
+ 'ComposerHookHandler' => $baseDir . '/includes/composer/ComposerHookHandler.php',
+ 'LCRun3' => $vendorDir . '/zordius/lightncandy/src/lightncandy.php',
+ 'LightnCandy' => $vendorDir . '/zordius/lightncandy/src/lightncandy.php',
+ 'Liuggio\\StatsdClient\\Entity\\StatsdData' => $vendorDir . '/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Entity/StatsdData.php',
+ 'Liuggio\\StatsdClient\\Entity\\StatsdDataInterface' => $vendorDir . '/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Entity/StatsdDataInterface.php',
+ 'Liuggio\\StatsdClient\\Exception\\InvalidArgumentException' => $vendorDir . '/liuggio/statsd-php-client/src/Liuggio/StatsdClient/Exception/InvalidArgumentException.php',
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+ 'OOUI\\Widget' => $vendorDir . '/oojs/oojs-ui/php/Widget.php',
+ 'Psr\\Log\\AbstractLogger' => $vendorDir . '/psr/log/Psr/Log/AbstractLogger.php',
+ 'Psr\\Log\\InvalidArgumentException' => $vendorDir . '/psr/log/Psr/Log/InvalidArgumentException.php',
+ 'Psr\\Log\\LogLevel' => $vendorDir . '/psr/log/Psr/Log/LogLevel.php',
+ 'Psr\\Log\\LoggerAwareInterface' => $vendorDir . '/psr/log/Psr/Log/LoggerAwareInterface.php',
+ 'Psr\\Log\\LoggerAwareTrait' => $vendorDir . '/psr/log/Psr/Log/LoggerAwareTrait.php',
+ 'Psr\\Log\\LoggerInterface' => $vendorDir . '/psr/log/Psr/Log/LoggerInterface.php',
+ 'Psr\\Log\\LoggerTrait' => $vendorDir . '/psr/log/Psr/Log/LoggerTrait.php',
+ 'Psr\\Log\\NullLogger' => $vendorDir . '/psr/log/Psr/Log/NullLogger.php',
+ 'UtfNormal\\Constants' => $vendorDir . '/wikimedia/utfnormal/src/Constants.php',
+ 'UtfNormal\\Utils' => $vendorDir . '/wikimedia/utfnormal/src/Util.php',
+ 'UtfNormal\\Validator' => $vendorDir . '/wikimedia/utfnormal/src/Validator.php',
+ 'Wikimedia\\Composer\\MergePlugin' => $vendorDir . '/wikimedia/composer-merge-plugin/src/MergePlugin.php',
+ 'lessc' => $vendorDir . '/leafo/lessphp/lessc.inc.php',
+ 'lessc_formatter_classic' => $vendorDir . '/leafo/lessphp/lessc.inc.php',
+ 'lessc_formatter_compressed' => $vendorDir . '/leafo/lessphp/lessc.inc.php',
+ 'lessc_formatter_lessjs' => $vendorDir . '/leafo/lessphp/lessc.inc.php',
+ 'lessc_parser' => $vendorDir . '/leafo/lessphp/lessc.inc.php',
+);
diff --git a/vendor/composer/autoload_namespaces.php b/vendor/composer/autoload_namespaces.php
new file mode 100644
index 00000000..a0f180fa
--- /dev/null
+++ b/vendor/composer/autoload_namespaces.php
@@ -0,0 +1,13 @@
+<?php
+
+// autoload_namespaces.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+ 'Psr\\Log\\' => array($vendorDir . '/psr/log'),
+ 'Liuggio' => array($vendorDir . '/liuggio/statsd-php-client/src'),
+ 'ComposerHookHandler' => array($baseDir . '/includes/composer'),
+ '' => array($vendorDir . '/cssjanus/cssjanus/src'),
+);
diff --git a/vendor/composer/autoload_psr4.php b/vendor/composer/autoload_psr4.php
new file mode 100644
index 00000000..74a09133
--- /dev/null
+++ b/vendor/composer/autoload_psr4.php
@@ -0,0 +1,10 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+ 'Wikimedia\\Composer\\' => array($vendorDir . '/wikimedia/composer-merge-plugin/src'),
+);
diff --git a/vendor/composer/autoload_real.php b/vendor/composer/autoload_real.php
new file mode 100644
index 00000000..3e640297
--- /dev/null
+++ b/vendor/composer/autoload_real.php
@@ -0,0 +1,50 @@
+<?php
+
+// autoload_real.php @generated by Composer
+
+class ComposerAutoloaderInit9b10cc5cf6896d6e4a31983fc3498786
+{
+ private static $loader;
+
+ public static function loadClassLoader($class)
+ {
+ if ('Composer\Autoload\ClassLoader' === $class) {
+ require __DIR__ . '/ClassLoader.php';
+ }
+ }
+
+ public static function getLoader()
+ {
+ if (null !== self::$loader) {
+ return self::$loader;
+ }
+
+ spl_autoload_register(array('ComposerAutoloaderInit9b10cc5cf6896d6e4a31983fc3498786', 'loadClassLoader'), true, false);
+ self::$loader = $loader = new \Composer\Autoload\ClassLoader();
+ spl_autoload_unregister(array('ComposerAutoloaderInit9b10cc5cf6896d6e4a31983fc3498786', 'loadClassLoader'));
+
+ $map = require __DIR__ . '/autoload_namespaces.php';
+ foreach ($map as $namespace => $path) {
+ $loader->set($namespace, $path);
+ }
+
+ $map = require __DIR__ . '/autoload_psr4.php';
+ foreach ($map as $namespace => $path) {
+ $loader->setPsr4($namespace, $path);
+ }
+
+ $classMap = require __DIR__ . '/autoload_classmap.php';
+ if ($classMap) {
+ $loader->addClassMap($classMap);
+ }
+
+ $loader->register(false);
+
+ return $loader;
+ }
+}
+
+function composerRequire9b10cc5cf6896d6e4a31983fc3498786($file)
+{
+ require $file;
+}
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
new file mode 100644
index 00000000..e882cda4
--- /dev/null
+++ b/vendor/composer/installed.json
@@ -0,0 +1,394 @@
+[
+ {
+ "name": "wikimedia/composer-merge-plugin",
+ "version": "v1.0.0",
+ "version_normalized": "1.0.0.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/wikimedia/composer-merge-plugin.git",
+ "reference": "ed426b785f9f786b33be4fd78584e43f4e962356"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/wikimedia/composer-merge-plugin/zipball/ed426b785f9f786b33be4fd78584e43f4e962356",
+ "reference": "ed426b785f9f786b33be4fd78584e43f4e962356",
+ "shasum": ""
+ },
+ "require": {
+ "composer-plugin-api": "1.0.0",
+ "php": ">=5.3.2"
+ },
+ "require-dev": {
+ "composer/composer": "1.0.*@dev",
+ "jakub-onderka/php-parallel-lint": "~0.8",
+ "phpspec/prophecy-phpunit": "~1.0",
+ "phpunit/phpunit": "~4.0",
+ "squizlabs/php_codesniffer": "~2.1.0"
+ },
+ "time": "2015-02-21 00:57:13",
+ "type": "composer-plugin",
+ "extra": {
+ "class": "Wikimedia\\Composer\\MergePlugin"
+ },
+ "installation-source": "dist",
+ "autoload": {
+ "psr-4": {
+ "Wikimedia\\Composer\\": "src/"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "description": "Composer plugin to merge multiple composer.json files"
+ },
+ {
+ "name": "cssjanus/cssjanus",
+ "version": "v1.1.1",
+ "version_normalized": "1.1.1.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/cssjanus/php-cssjanus.git",
+ "reference": "62a9c32e6e140de09082b40a6e99d868ad14d4e0"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/cssjanus/php-cssjanus/zipball/62a9c32e6e140de09082b40a6e99d868ad14d4e0",
+ "reference": "62a9c32e6e140de09082b40a6e99d868ad14d4e0",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.3.3"
+ },
+ "require-dev": {
+ "jakub-onderka/php-parallel-lint": "0.8.*",
+ "phpunit/phpunit": "3.7.*",
+ "squizlabs/php_codesniffer": "1.*"
+ },
+ "time": "2014-11-14 20:00:50",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "psr-0": {
+ "": "src/"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "Apache-2.0"
+ ],
+ "description": "Convert CSS stylesheets between left-to-right and right-to-left."
+ },
+ {
+ "name": "leafo/lessphp",
+ "version": "v0.5.0",
+ "version_normalized": "0.5.0.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/leafo/lessphp.git",
+ "reference": "0f5a7f5545d2bcf4e9fad9a228c8ad89cc9aa283"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/leafo/lessphp/zipball/0f5a7f5545d2bcf4e9fad9a228c8ad89cc9aa283",
+ "reference": "0f5a7f5545d2bcf4e9fad9a228c8ad89cc9aa283",
+ "shasum": ""
+ },
+ "time": "2014-11-24 18:39:20",
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-master": "0.4.x-dev"
+ }
+ },
+ "installation-source": "dist",
+ "autoload": {
+ "classmap": [
+ "lessc.inc.php"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT",
+ "GPL-3.0"
+ ],
+ "authors": [
+ {
+ "name": "Leaf Corcoran",
+ "email": "leafot@gmail.com",
+ "homepage": "http://leafo.net"
+ }
+ ],
+ "description": "lessphp is a compiler for LESS written in PHP.",
+ "homepage": "http://leafo.net/lessphp/"
+ },
+ {
+ "name": "liuggio/statsd-php-client",
+ "version": "v1.0.12",
+ "version_normalized": "1.0.12.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/liuggio/statsd-php-client.git",
+ "reference": "a8c9ccd2a3af6cc49c7fc4f5f689d7b148ab19d7"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/liuggio/statsd-php-client/zipball/a8c9ccd2a3af6cc49c7fc4f5f689d7b148ab19d7",
+ "reference": "a8c9ccd2a3af6cc49c7fc4f5f689d7b148ab19d7",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.2"
+ },
+ "require-dev": {
+ "monolog/monolog": ">=1.2.0"
+ },
+ "suggest": {
+ "monolog/monolog": "Monolog, in order to do generate statistic from log >=1.2.0)"
+ },
+ "time": "2014-09-17 21:37:49",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "psr-0": {
+ "Liuggio": "src/"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "Giulio De Donato",
+ "email": "liuggio@gmail.com"
+ }
+ ],
+ "description": "Statsd (Object Oriented) client library for PHP",
+ "homepage": "https://github.com/liuggio/statsd-php-client/",
+ "keywords": [
+ "etsy",
+ "monitoring",
+ "php",
+ "statsd"
+ ]
+ },
+ {
+ "name": "oojs/oojs-ui",
+ "version": "v0.11.3",
+ "version_normalized": "0.11.3.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/wikimedia/oojs-ui.git",
+ "reference": "a03de5681e28e4fad1e27f8cccab32a2c5b484e5"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/wikimedia/oojs-ui/zipball/a03de5681e28e4fad1e27f8cccab32a2c5b484e5",
+ "reference": "a03de5681e28e4fad1e27f8cccab32a2c5b484e5",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.3.3"
+ },
+ "require-dev": {
+ "jakub-onderka/php-parallel-lint": "0.8.*",
+ "mediawiki/mediawiki-codesniffer": "0.1.0",
+ "squizlabs/php_codesniffer": "2.1.*"
+ },
+ "time": "2015-05-12 11:58:55",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "classmap": [
+ "php/"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "description": "Provides library of common widgets, layouts, and windows.",
+ "homepage": "https://www.mediawiki.org/wiki/OOjs_UI"
+ },
+ {
+ "name": "psr/log",
+ "version": "1.0.0",
+ "version_normalized": "1.0.0.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/php-fig/log.git",
+ "reference": "fe0936ee26643249e916849d48e3a51d5f5e278b"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/php-fig/log/zipball/fe0936ee26643249e916849d48e3a51d5f5e278b",
+ "reference": "fe0936ee26643249e916849d48e3a51d5f5e278b",
+ "shasum": ""
+ },
+ "time": "2012-12-21 11:40:51",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "psr-0": {
+ "Psr\\Log\\": ""
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "PHP-FIG",
+ "homepage": "http://www.php-fig.org/"
+ }
+ ],
+ "description": "Common interface for logging libraries",
+ "keywords": [
+ "log",
+ "psr",
+ "psr-3"
+ ]
+ },
+ {
+ "name": "wikimedia/cdb",
+ "version": "1.0.1",
+ "version_normalized": "1.0.1.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/wikimedia/cdb.git",
+ "reference": "3b7d5366c88eccf2517ebac57c59eb557c82f46c"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/wikimedia/cdb/zipball/3b7d5366c88eccf2517ebac57c59eb557c82f46c",
+ "reference": "3b7d5366c88eccf2517ebac57c59eb557c82f46c",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.3.2"
+ },
+ "require-dev": {
+ "phpunit/phpunit": "*"
+ },
+ "time": "2014-12-08 19:26:44",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "classmap": [
+ "src/"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "GPL-2.0"
+ ],
+ "authors": [
+ {
+ "name": "Tim Starling",
+ "email": "tstarling@wikimedia.org"
+ },
+ {
+ "name": "Chad Horohoe",
+ "email": "chad@wikimedia.org"
+ }
+ ],
+ "description": "Constant Database (CDB) wrapper library for PHP. Provides pure-PHP fallback when dba_* functions are absent.",
+ "homepage": "https://www.mediawiki.org/wiki/CDB"
+ },
+ {
+ "name": "wikimedia/utfnormal",
+ "version": "v1.0.2",
+ "version_normalized": "1.0.2.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/wikimedia/utfnormal.git",
+ "reference": "bb892a53a76116ad0982445a849043687cb6e778"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/wikimedia/utfnormal/zipball/bb892a53a76116ad0982445a849043687cb6e778",
+ "reference": "bb892a53a76116ad0982445a849043687cb6e778",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.3.3"
+ },
+ "require-dev": {
+ "ext-mbstring": "*",
+ "jakub-onderka/php-parallel-lint": "0.8.*",
+ "mediawiki/mediawiki-codesniffer": "0.1.0",
+ "phpunit/phpunit": "4.4.*",
+ "squizlabs/php_codesniffer": "2.1.*"
+ },
+ "time": "2015-03-12 01:54:47",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "classmap": [
+ "src/"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "GPL-2.0+"
+ ],
+ "authors": [
+ {
+ "name": "Brion Vibber",
+ "email": "bvibber@wikimedia.org"
+ }
+ ],
+ "homepage": "https://www.mediawiki.org/wiki/utfnormal"
+ },
+ {
+ "name": "zordius/lightncandy",
+ "version": "v0.18",
+ "version_normalized": "0.18.0.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/zordius/lightncandy.git",
+ "reference": "24be6909c37391f4648ce1fdf19036b11bd56d05"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/zordius/lightncandy/zipball/24be6909c37391f4648ce1fdf19036b11bd56d05",
+ "reference": "24be6909c37391f4648ce1fdf19036b11bd56d05",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.3.0"
+ },
+ "require-dev": {
+ "phpunit/phpunit": "4.0.17"
+ },
+ "time": "2015-01-01 04:37:19",
+ "type": "library",
+ "installation-source": "dist",
+ "autoload": {
+ "classmap": [
+ "src/lightncandy.php"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "Zordius Chen",
+ "email": "zordius@yahoo-inc.com"
+ }
+ ],
+ "description": "An extremely fast PHP implementation of handlebars ( http://handlebarsjs.com/ ) and mustache ( http://mustache.github.io/ ).",
+ "homepage": "https://github.com/zordius/lightncandy",
+ "keywords": [
+ "handlebars",
+ "logicless",
+ "mustache",
+ "php",
+ "template"
+ ]
+ }
+]
diff --git a/vendor/cssjanus/cssjanus/APACHE-LICENSE-2.0.txt b/vendor/cssjanus/cssjanus/APACHE-LICENSE-2.0.txt
new file mode 100644
index 00000000..d6456956
--- /dev/null
+++ b/vendor/cssjanus/cssjanus/APACHE-LICENSE-2.0.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
+ exercising permissions granted by this License.
+
+ "Source" form shall mean the preferred form for making modifications,
+ including but not limited to software source code, documentation
+ source, and configuration files.
+
+ "Object" form shall mean any form resulting from mechanical
+ transformation or translation of a Source form, including but
+ not limited to compiled object code, generated documentation,
+ and conversions to other media types.
+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
+ separable from, or merely link (or bind by name) to the interfaces of,
+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
+ the original version of the Work and any modifications or additions
+ to that Work or Derivative Works thereof, that is intentionally
+ submitted to Licensor for inclusion in the Work by the copyright owner
+ or by an individual or Legal Entity authorized to submit on behalf of
+ the copyright owner. For the purposes of this definition, "submitted"
+ means any form of electronic, verbal, or written communication sent
+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
+ and issue tracking systems that are managed by, or on behalf of, the
+ Licensor for the purpose of discussing and improving the Work, but
+ excluding communication that is conspicuously marked or otherwise
+ designated in writing by the copyright owner as "Not a Contribution."
+
+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ copyright license to reproduce, prepare Derivative Works of,
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+ Work and such Derivative Works in Source or Object form.
+
+ 3. Grant of Patent License. Subject to the terms and conditions of
+ this License, each Contributor hereby grants to You a perpetual,
+ worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+ (except as stated in this section) patent license to make, have made,
+ use, offer to sell, sell, import, and otherwise transfer the Work,
+ where such license applies only to those patent claims licensable
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+ Contribution(s) alone or by combination of their Contribution(s)
+ with the Work to which such Contribution(s) was submitted. If You
+ institute patent litigation against any entity (including a
+ cross-claim or counterclaim in a lawsuit) alleging that the Work
+ or a Contribution incorporated within the Work constitutes direct
+ or contributory patent infringement, then any patent licenses
+ granted to You under this License for that Work shall terminate
+ as of the date such litigation is filed.
+
+ 4. Redistribution. You may reproduce and distribute copies of the
+ Work or Derivative Works thereof in any medium, with or without
+ modifications, and in Source or Object form, provided that You
+ meet the following conditions:
+
+ (a) You must give any other recipients of the Work or
+ Derivative Works a copy of this License; and
+
+ (b) You must cause any modified files to carry prominent notices
+ stating that You changed the files; and
+
+ (c) You must retain, in the Source form of any Derivative Works
+ that You distribute, all copyright, patent, trademark, and
+ attribution notices from the Source form of the Work,
+ excluding those notices that do not pertain to any part of
+ the Derivative Works; and
+
+ (d) If the Work includes a "NOTICE" text file as part of its
+ distribution, then any Derivative Works that You distribute must
+ include a readable copy of the attribution notices contained
+ within such NOTICE file, excluding those notices that do not
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+ of the following places: within a NOTICE text file distributed
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+ within a display generated by the Derivative Works, if and
+ wherever such third-party notices normally appear. The contents
+ of the NOTICE file are for informational purposes only and
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+ the conditions stated in this License.
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+ PARTICULAR PURPOSE. You are solely responsible for determining the
+ appropriateness of using or redistributing the Work and assume any
+ risks associated with Your exercise of permissions under this License.
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
+ liable to You for damages, including any direct, indirect, special,
+ incidental, or consequential damages of any character arising as a
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+ 9. Accepting Warranty or Additional Liability. While redistributing
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+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
+ incurred by, or claims asserted against, such Contributor by reason
+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
+ replaced with your own identifying information. (Don't include
+ the brackets!) The text should be enclosed in the appropriate
+ comment syntax for the file format. We also recommend that a
+ file or class name and description of purpose be included on the
+ same "printed page" as the copyright notice for easier
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+ Copyright [yyyy] [name of copyright owner]
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
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diff --git a/vendor/cssjanus/cssjanus/README.md b/vendor/cssjanus/cssjanus/README.md
new file mode 100644
index 00000000..597ef211
--- /dev/null
+++ b/vendor/cssjanus/cssjanus/README.md
@@ -0,0 +1,45 @@
+[![Build Status](https://travis-ci.org/cssjanus/php-cssjanus.svg?branch=master)](https://travis-ci.org/cssjanus/php-cssjanus) [![Latest Stable Version](https://poser.pugx.org/cssjanus/cssjanus/v/stable.svg)](https://packagist.org/packages/cssjanus/cssjanus)
+
+# CSSJanus
+
+Convert CSS stylesheets between left-to-right and right-to-left.
+
+## Basic usage
+
+```php
+$rtlCss = CSSJanus::transform( $ltrCss );
+```
+
+## Advanced usage
+
+``transform( $css, $swapLtrRtlInURL = false, $swapLeftRightInURL = false )``
+
+* ``$css`` (string) Stylesheet to transform
+* ``$swapLtrRtlInURL`` (boolean) Swap 'ltr' and 'rtl' in URLs
+* ``$swapLeftRightInURL`` (boolean) Swap 'left' and 'right' in URLs
+
+### Preventing flipping
+
+Use a ```/* @noflip */``` comment to protect a rule from being changed.
+
+```css
+.rule1 {
+ /* Will be converted to margin-right */
+ margin-left: 1em;
+}
+/* @noflip */
+.rule2 {
+ /* Will be preserved as margin-left */
+ margin-left: 1em;
+}
+```
+
+## Port
+
+This is a PHP port of the Node.js implementation of CSSJanus.
+
+Feature requests and bugs related to the actual CSS transformation or test
+cases of it, should be submitted upstream at
+<https://github.com/cssjanus/cssjanus>.
+
+Upstream releases will be ported here.
diff --git a/vendor/cssjanus/cssjanus/composer.json b/vendor/cssjanus/cssjanus/composer.json
new file mode 100644
index 00000000..7ac36936
--- /dev/null
+++ b/vendor/cssjanus/cssjanus/composer.json
@@ -0,0 +1,24 @@
+{
+ "name": "cssjanus/cssjanus",
+ "description": "Convert CSS stylesheets between left-to-right and right-to-left.",
+ "repositories": [
+ {
+ "type": "vcs",
+ "url": "https://github.com/cssjanus/php-cssjanus"
+ }
+ ],
+ "license": "Apache-2.0",
+ "autoload": {
+ "psr-0": {
+ "": "src/"
+ }
+ },
+ "require": {
+ "php": ">=5.3.3"
+ },
+ "require-dev": {
+ "jakub-onderka/php-parallel-lint": "0.8.*",
+ "phpunit/phpunit": "3.7.*",
+ "squizlabs/php_codesniffer": "1.*"
+ }
+}
diff --git a/vendor/cssjanus/cssjanus/src/CSSJanus.php b/vendor/cssjanus/cssjanus/src/CSSJanus.php
new file mode 100644
index 00000000..d81aa2bb
--- /dev/null
+++ b/vendor/cssjanus/cssjanus/src/CSSJanus.php
@@ -0,0 +1,454 @@
+<?php
+/**
+ * PHP port of CSSJanus.
+ * https://github.com/cssjanus/php-cssjanus
+ *
+ * Copyright 2008 Google Inc.
+ * Copyright 2010 Roan Kattouw
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @file
+ */
+
+/**
+ * This is a PHP port of CSSJanus, a utility that transforms CSS style sheets
+ * written for LTR to RTL.
+ *
+ * Original code: http://code.google.com/p/cssjanus/source/browse/trunk/cssjanus.py
+ *
+ * @author Lindsey Simon <elsigh@google.com>
+ * @author Roan Kattouw
+ */
+class CSSJanus {
+ // Patterns defined as null are built dynamically by buildPatterns()
+ private static $patterns = array(
+ 'tmpToken' => '`TMP`',
+ 'nonAscii' => '[\200-\377]',
+ 'unicode' => '(?:(?:\\[0-9a-f]{1,6})(?:\r\n|\s)?)',
+ 'num' => '(?:[0-9]*\.[0-9]+|[0-9]+)',
+ 'unit' => '(?:em|ex|px|cm|mm|in|pt|pc|deg|rad|grad|ms|s|hz|khz|%)',
+ 'body_selector' => 'body\s*{\s*',
+ 'direction' => 'direction\s*:\s*',
+ 'escape' => null,
+ 'nmstart' => null,
+ 'nmchar' => null,
+ 'ident' => null,
+ 'quantity' => null,
+ 'possibly_negative_quantity' => null,
+ 'color' => null,
+ 'url_special_chars' => '[!#$%&*-~]',
+ 'valid_after_uri_chars' => '[\'\"]?\s*',
+ 'url_chars' => null,
+ 'lookahead_not_open_brace' => null,
+ 'lookahead_not_closing_paren' => null,
+ 'lookahead_for_closing_paren' => null,
+ 'lookahead_not_letter' => '(?![a-zA-Z])',
+ 'lookbehind_not_letter' => '(?<![a-zA-Z])',
+ 'chars_within_selector' => '[^\}]*?',
+ 'noflip_annotation' => '\/\*\!?\s*@noflip\s*\*\/',
+ 'noflip_single' => null,
+ 'noflip_class' => null,
+ 'comment' => '/\/\*[^*]*\*+([^\/*][^*]*\*+)*\//',
+ 'direction_ltr' => null,
+ 'direction_rtl' => null,
+ 'left' => null,
+ 'right' => null,
+ 'left_in_url' => null,
+ 'right_in_url' => null,
+ 'ltr_in_url' => null,
+ 'rtl_in_url' => null,
+ 'cursor_east' => null,
+ 'cursor_west' => null,
+ 'four_notation_quantity' => null,
+ 'four_notation_color' => null,
+ 'border_radius' => null,
+ 'box_shadow' => null,
+ 'text_shadow1' => null,
+ 'text_shadow2' => null,
+ 'bg_horizontal_percentage' => null,
+ 'bg_horizontal_percentage_x' => null,
+ );
+
+ /**
+ * Build patterns we can't define above because they depend on other patterns.
+ */
+ private static function buildPatterns() {
+ if (!is_null(self::$patterns['escape'])) {
+ // Patterns have already been built
+ return;
+ }
+
+ // @codingStandardsIgnoreStart Generic.Files.LineLength.TooLong
+ $patterns =& self::$patterns;
+ $patterns['escape'] = "(?:{$patterns['unicode']}|\\[^\r\n\f0-9a-f])";
+ $patterns['nmstart'] = "(?:[_a-z]|{$patterns['nonAscii']}|{$patterns['escape']})";
+ $patterns['nmchar'] = "(?:[_a-z0-9-]|{$patterns['nonAscii']}|{$patterns['escape']})";
+ $patterns['ident'] = "-?{$patterns['nmstart']}{$patterns['nmchar']}*";
+ $patterns['quantity'] = "{$patterns['num']}(?:\s*{$patterns['unit']}|{$patterns['ident']})?";
+ $patterns['possibly_negative_quantity'] = "((?:-?{$patterns['quantity']})|(?:inherit|auto))";
+ $patterns['color'] = "(#?{$patterns['nmchar']}+|(?:rgba?|hsla?)\([ \d.,%-]+\))";
+ $patterns['url_chars'] = "(?:{$patterns['url_special_chars']}|{$patterns['nonAscii']}|{$patterns['escape']})*";
+ $patterns['lookahead_not_open_brace'] = "(?!({$patterns['nmchar']}|\r?\n|\s|#|\:|\.|\,|\+|>|\(|\)|\[|\]|=|\*=|~=|\^=|'[^']*'])*?{)";
+ $patterns['lookahead_not_closing_paren'] = "(?!{$patterns['url_chars']}?{$patterns['valid_after_uri_chars']}\))";
+ $patterns['lookahead_for_closing_paren'] = "(?={$patterns['url_chars']}?{$patterns['valid_after_uri_chars']}\))";
+ $patterns['noflip_single'] = "/({$patterns['noflip_annotation']}{$patterns['lookahead_not_open_brace']}[^;}]+;?)/i";
+ $patterns['noflip_class'] = "/({$patterns['noflip_annotation']}{$patterns['chars_within_selector']}})/i";
+ $patterns['direction_ltr'] = "/({$patterns['direction']})ltr/i";
+ $patterns['direction_rtl'] = "/({$patterns['direction']})rtl/i";
+ $patterns['left'] = "/{$patterns['lookbehind_not_letter']}(left){$patterns['lookahead_not_letter']}{$patterns['lookahead_not_closing_paren']}{$patterns['lookahead_not_open_brace']}/i";
+ $patterns['right'] = "/{$patterns['lookbehind_not_letter']}(right){$patterns['lookahead_not_letter']}{$patterns['lookahead_not_closing_paren']}{$patterns['lookahead_not_open_brace']}/i";
+ $patterns['left_in_url'] = "/{$patterns['lookbehind_not_letter']}(left){$patterns['lookahead_for_closing_paren']}/i";
+ $patterns['right_in_url'] = "/{$patterns['lookbehind_not_letter']}(right){$patterns['lookahead_for_closing_paren']}/i";
+ $patterns['ltr_in_url'] = "/{$patterns['lookbehind_not_letter']}(ltr){$patterns['lookahead_for_closing_paren']}/i";
+ $patterns['rtl_in_url'] = "/{$patterns['lookbehind_not_letter']}(rtl){$patterns['lookahead_for_closing_paren']}/i";
+ $patterns['cursor_east'] = "/{$patterns['lookbehind_not_letter']}([ns]?)e-resize/";
+ $patterns['cursor_west'] = "/{$patterns['lookbehind_not_letter']}([ns]?)w-resize/";
+ $patterns['four_notation_quantity_props'] = "((?:margin|padding|border-width)\s*:\s*)";
+ $patterns['four_notation_quantity'] = "/{$patterns['four_notation_quantity_props']}{$patterns['possibly_negative_quantity']}(\s+){$patterns['possibly_negative_quantity']}(\s+){$patterns['possibly_negative_quantity']}(\s+){$patterns['possibly_negative_quantity']}(\s*(?:!important\s*)?[;}])/i";
+ $patterns['four_notation_color'] = "/((?:-color|border-style)\s*:\s*){$patterns['color']}(\s+){$patterns['color']}(\s+){$patterns['color']}(\s+){$patterns['color']}(\s*(?:!important\s*)?[;}])/i";
+ $patterns['border_radius'] = "/(border-radius\s*:\s*)([^;}]*)/";
+ $patterns['box_shadow'] = "/(box-shadow\s*:\s*(?:inset\s*)?){$patterns['possibly_negative_quantity']}/i";
+ $patterns['text_shadow1'] = "/(text-shadow\s*:\s*){$patterns['color']}(\s*){$patterns['possibly_negative_quantity']}/i";
+ $patterns['text_shadow2'] = "/(text-shadow\s*:\s*){$patterns['possibly_negative_quantity']}/i";
+ $patterns['bg_horizontal_percentage'] = "/(background(?:-position)?\s*:\s*(?:[^:;}\s]+\s+)*?)({$patterns['quantity']})/i";
+ $patterns['bg_horizontal_percentage_x'] = "/(background-position-x\s*:\s*)(-?{$patterns['num']}%)/i";
+ // @codingStandardsIgnoreEnd
+
+ }
+
+ /**
+ * Transform an LTR stylesheet to RTL
+ * @param string $css stylesheet to transform
+ * @param $swapLtrRtlInURL Boolean: If true, swap 'ltr' and 'rtl' in URLs
+ * @param $swapLeftRightInURL Boolean: If true, swap 'left' and 'right' in URLs
+ * @return string Transformed stylesheet
+ */
+ public static function transform($css, $swapLtrRtlInURL = false, $swapLeftRightInURL = false) {
+ // We wrap tokens in ` , not ~ like the original implementation does.
+ // This was done because ` is not a legal character in CSS and can only
+ // occur in URLs, where we escape it to %60 before inserting our tokens.
+ $css = str_replace('`', '%60', $css);
+
+ self::buildPatterns();
+
+ // Tokenize single line rules with /* @noflip */
+ $noFlipSingle = new CSSJanusTokenizer(self::$patterns['noflip_single'], '`NOFLIP_SINGLE`');
+ $css = $noFlipSingle->tokenize($css);
+
+ // Tokenize class rules with /* @noflip */
+ $noFlipClass = new CSSJanusTokenizer(self::$patterns['noflip_class'], '`NOFLIP_CLASS`');
+ $css = $noFlipClass->tokenize($css);
+
+ // Tokenize comments
+ $comments = new CSSJanusTokenizer(self::$patterns['comment'], '`C`');
+ $css = $comments->tokenize($css);
+
+ // LTR->RTL fixes start here
+ $css = self::fixDirection($css);
+ if ($swapLtrRtlInURL) {
+ $css = self::fixLtrRtlInURL($css);
+ }
+
+ if ($swapLeftRightInURL) {
+ $css = self::fixLeftRightInURL($css);
+ }
+ $css = self::fixLeftAndRight($css);
+ $css = self::fixCursorProperties($css);
+ $css = self::fixFourPartNotation($css);
+ $css = self::fixBorderRadius($css);
+ $css = self::fixBackgroundPosition($css);
+ $css = self::fixShadows($css);
+
+ // Detokenize stuff we tokenized before
+ $css = $comments->detokenize($css);
+ $css = $noFlipClass->detokenize($css);
+ $css = $noFlipSingle->detokenize($css);
+
+ return $css;
+ }
+
+ /**
+ * Replace direction: ltr; with direction: rtl; and vice versa.
+ *
+ * The original implementation only does this inside body selectors
+ * and misses "body\n{\ndirection:ltr;\n}". This function does not have
+ * these problems.
+ *
+ * See https://code.google.com/p/cssjanus/issues/detail?id=15
+ *
+ * @param $css string
+ * @return string
+ */
+ private static function fixDirection($css) {
+ $css = preg_replace(
+ self::$patterns['direction_ltr'],
+ '$1' . self::$patterns['tmpToken'],
+ $css
+ );
+ $css = preg_replace(self::$patterns['direction_rtl'], '$1ltr', $css);
+ $css = str_replace(self::$patterns['tmpToken'], 'rtl', $css);
+
+ return $css;
+ }
+
+ /**
+ * Replace 'ltr' with 'rtl' and vice versa in background URLs
+ * @param $css string
+ * @return string
+ */
+ private static function fixLtrRtlInURL($css) {
+ $css = preg_replace(self::$patterns['ltr_in_url'], self::$patterns['tmpToken'], $css);
+ $css = preg_replace(self::$patterns['rtl_in_url'], 'ltr', $css);
+ $css = str_replace(self::$patterns['tmpToken'], 'rtl', $css);
+
+ return $css;
+ }
+
+ /**
+ * Replace 'left' with 'right' and vice versa in background URLs
+ * @param $css string
+ * @return string
+ */
+ private static function fixLeftRightInURL($css) {
+ $css = preg_replace(self::$patterns['left_in_url'], self::$patterns['tmpToken'], $css);
+ $css = preg_replace(self::$patterns['right_in_url'], 'left', $css);
+ $css = str_replace(self::$patterns['tmpToken'], 'right', $css);
+
+ return $css;
+ }
+
+ /**
+ * Flip rules like left: , padding-right: , etc.
+ * @param $css string
+ * @return string
+ */
+ private static function fixLeftAndRight($css) {
+ $css = preg_replace(self::$patterns['left'], self::$patterns['tmpToken'], $css);
+ $css = preg_replace(self::$patterns['right'], 'left', $css);
+ $css = str_replace(self::$patterns['tmpToken'], 'right', $css);
+
+ return $css;
+ }
+
+ /**
+ * Flip East and West in rules like cursor: nw-resize;
+ * @param $css string
+ * @return string
+ */
+ private static function fixCursorProperties($css) {
+ $css = preg_replace(
+ self::$patterns['cursor_east'],
+ '$1' . self::$patterns['tmpToken'],
+ $css
+ );
+ $css = preg_replace(self::$patterns['cursor_west'], '$1e-resize', $css);
+ $css = str_replace(self::$patterns['tmpToken'], 'w-resize', $css);
+
+ return $css;
+ }
+
+ /**
+ * Swap the second and fourth parts in four-part notation rules like
+ * padding: 1px 2px 3px 4px;
+ *
+ * Unlike the original implementation, this function doesn't suffer from
+ * the bug where whitespace is not preserved when flipping four-part rules
+ * and four-part color rules with multiple whitespace characters between
+ * colors are not recognized.
+ * See https://code.google.com/p/cssjanus/issues/detail?id=16
+ * @param $css string
+ * @return string
+ */
+ private static function fixFourPartNotation($css) {
+ $css = preg_replace(self::$patterns['four_notation_quantity'], '$1$2$3$8$5$6$7$4$9', $css);
+ $css = preg_replace(self::$patterns['four_notation_color'], '$1$2$3$8$5$6$7$4$9', $css);
+ return $css;
+ }
+
+ /**
+ * Swaps appropriate corners in border-radius values.
+ *
+ * @param $css string
+ * @return string
+ */
+ private static function fixBorderRadius($css) {
+ $css = preg_replace_callback(self::$patterns['border_radius'], function ($matches) {
+ $pre = $matches[1];
+ $values = $matches[2];
+ $numValues = count(preg_split('/\s+/', trim($values)));
+ switch ($numValues) {
+ case 4:
+ $values = preg_replace('/^(\S+)(\s*)(\S+)(\s*)(\S+)(\s*)(\S+)/', '$3$2$1$4$7$6$5', $values);
+ break;
+ case 3:
+ case 2:
+ $values = preg_replace('/^(\S+)(\s*)(\S+)/', '$3$2$1', $values);
+ break;
+ }
+ return $pre . $values;
+ }, $css);
+
+ return $css;
+ }
+
+ /**
+ * Negates horizontal offset in box-shadow and text-shadow rules.
+ *
+ * @param $css string
+ * @return string
+ */
+ private static function fixShadows($css) {
+ // Flips the sign of a CSS value, possibly with a unit.
+ // (We can't just negate the value with unary minus due to the units.)
+ $flipSign = function ($cssValue) {
+ // Don't mangle zeroes
+ if (floatval($cssValue) === 0.0) {
+ return $cssValue;
+ } elseif ($cssValue[0] === '-') {
+ return substr($cssValue, 1);
+ } else {
+ return "-" . $cssValue;
+ }
+ };
+
+ $css = preg_replace_callback(self::$patterns['box_shadow'], function ($matches) use ($flipSign) {
+ return $matches[1] . $flipSign($matches[2]);
+ }, $css);
+
+ $css = preg_replace_callback(self::$patterns['text_shadow1'], function ($matches) use ($flipSign) {
+ return $matches[1] . $matches[2] . $matches[3] . $flipSign($matches[4]);
+ }, $css);
+
+ $css = preg_replace_callback(self::$patterns['text_shadow2'], function ($matches) use ($flipSign) {
+ return $matches[1] . $flipSign($matches[2]);
+ }, $css);
+
+ return $css;
+ }
+
+ /**
+ * Flip horizontal background percentages.
+ * @param $css string
+ * @return string
+ */
+ private static function fixBackgroundPosition($css) {
+ $replaced = preg_replace_callback(
+ self::$patterns['bg_horizontal_percentage'],
+ array('self', 'calculateNewBackgroundPosition'),
+ $css
+ );
+ if ($replaced !== null) {
+ // preg_replace_callback() sometimes returns null
+ $css = $replaced;
+ }
+ $replaced = preg_replace_callback(
+ self::$patterns['bg_horizontal_percentage_x'],
+ array('self', 'calculateNewBackgroundPosition'),
+ $css
+ );
+ if ($replaced !== null) {
+ $css = $replaced;
+ }
+
+ return $css;
+ }
+
+ /**
+ * Callback for fixBackgroundPosition()
+ * @param $matches array
+ * @return string
+ */
+ private static function calculateNewBackgroundPosition($matches) {
+ $value = $matches[2];
+ if (substr($value, -1) === '%') {
+ $idx = strpos($value, '.');
+ if ($idx !== false) {
+ $len = strlen($value) - $idx - 2;
+ $value = number_format(100 - $value, $len) . '%';
+ } else {
+ $value = (100 - $value) . '%';
+ }
+ }
+ return $matches[1] . $value;
+ }
+}
+
+/**
+ * Utility class used by CSSJanus that tokenizes and untokenizes things we want
+ * to protect from being janused.
+ * @author Roan Kattouw
+ */
+class CSSJanusTokenizer {
+ private $regex;
+ private $token;
+ private $originals;
+
+ /**
+ * Constructor
+ * @param string $regex Regular expression whose matches to replace by a token.
+ * @param string $token Token
+ */
+ public function __construct($regex, $token) {
+ $this->regex = $regex;
+ $this->token = $token;
+ $this->originals = array();
+ }
+
+ /**
+ * Replace all occurrences of $regex in $str with a token and remember
+ * the original strings.
+ * @param string $str to tokenize
+ * @return string Tokenized string
+ */
+ public function tokenize($str) {
+ return preg_replace_callback($this->regex, array($this, 'tokenizeCallback'), $str);
+ }
+
+ /**
+ * @param $matches array
+ * @return string
+ */
+ private function tokenizeCallback($matches) {
+ $this->originals[] = $matches[0];
+ return $this->token;
+ }
+
+ /**
+ * Replace tokens with their originals. If multiple strings were tokenized, it's important they be
+ * detokenized in exactly the SAME ORDER.
+ * @param string $str previously run through tokenize()
+ * @return string Original string
+ */
+ public function detokenize($str) {
+ // PHP has no function to replace only the first occurrence or to
+ // replace occurrences of the same string with different values,
+ // so we use preg_replace_callback() even though we don't really need a regex
+ return preg_replace_callback(
+ '/' . preg_quote($this->token, '/') . '/',
+ array($this, 'detokenizeCallback'),
+ $str
+ );
+ }
+
+ /**
+ * @param $matches
+ * @return mixed
+ */
+ private function detokenizeCallback($matches) {
+ $retval = current($this->originals);
+ next($this->originals);
+
+ return $retval;
+ }
+}
diff --git a/vendor/cssjanus/cssjanus/test/codesniffer/ruleset.xml b/vendor/cssjanus/cssjanus/test/codesniffer/ruleset.xml
new file mode 100644
index 00000000..dab0fe2a
--- /dev/null
+++ b/vendor/cssjanus/cssjanus/test/codesniffer/ruleset.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<ruleset name="cssjanus">
+ <rule ref="PSR2">
+ <exclude name="PSR1.Classes.ClassDeclaration.MissingNamespace" />
+ <exclude name="PSR1.Classes.ClassDeclaration.MultipleClasses" />
+ <exclude name="PSR2.Classes.ClassDeclaration.OpenBraceNewLine" />
+ <exclude name="Squiz.Functions.MultiLineFunctionDeclaration.BraceOnSameLine" />
+ </rule>
+</ruleset>
diff --git a/vendor/cssjanus/cssjanus/test/phpunit.xml b/vendor/cssjanus/cssjanus/test/phpunit.xml
new file mode 100644
index 00000000..6d37a1c4
--- /dev/null
+++ b/vendor/cssjanus/cssjanus/test/phpunit.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit colors="true" strict="true" bootstrap="../vendor/autoload.php">
+ <testsuites>
+ <testsuite name="CSSJanus Test Suite">
+ <directory>./suites</directory>
+ </testsuite>
+ </testsuites>
+</phpunit>
diff --git a/vendor/cssjanus/cssjanus/test/run b/vendor/cssjanus/cssjanus/test/run
new file mode 100644
index 00000000..247500c7
--- /dev/null
+++ b/vendor/cssjanus/cssjanus/test/run
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -e
+cd $(cd $(dirname $0)/..; pwd)
+set -x
+./vendor/bin/parallel-lint --exclude vendor .
+./vendor/bin/phpunit --configuration test/phpunit.xml
+./vendor/bin/phpcs . --standard=./test/codesniffer --ignore=vendor/* --report=full -s --tab-width=4
diff --git a/vendor/cssjanus/cssjanus/test/suites/CSSJanusTest.php b/vendor/cssjanus/cssjanus/test/suites/CSSJanusTest.php
new file mode 100644
index 00000000..8a436760
--- /dev/null
+++ b/vendor/cssjanus/cssjanus/test/suites/CSSJanusTest.php
@@ -0,0 +1,71 @@
+<?php
+
+class CSSJanusTest extends PHPUnit_Framework_TestCase {
+
+ public static function provideData() {
+ $data = self::getSpec();
+ $cases = array();
+ $defaultSettings = array(
+ 'swapLtrRtlInUrl' => false,
+ 'swapLeftRightInUrl' => false,
+ );
+ foreach ($data as $name => $test) {
+ $settings = isset($test['settings']) ? $test['settings'] : array();
+ $settings += $defaultSettings;
+ foreach ($test['cases'] as $i => $case) {
+ $input = $case[0];
+ $noop = !isset($case[1]);
+ $output = $noop ? $input : $case[1];
+
+ $cases[] = array(
+ $input,
+ $settings,
+ $output,
+ $name,
+ );
+
+ if (!$noop) {
+ // Round trip
+ $cases[] = array(
+ $output,
+ $settings,
+ $input,
+ $name,
+ );
+ }
+ }
+ }
+ return $cases;
+ }
+
+ /**
+ * @dataProvider provideData
+ */
+ public function testTransform($input, $settings, $output, $name) {
+ $this->assertEquals(
+ $output,
+ CSSJanus::transform($input, $settings['swapLtrRtlInUrl'], $settings['swapLeftRightInUrl']),
+ $name
+ );
+ }
+
+ protected static function getSpec() {
+ static $json;
+ if ($json == null) {
+ $version = '1.1.1';
+ $dir = dirname(__DIR__);
+ $file = "$dir/data-v$version.json";
+ if (!is_readable($file)) {
+ array_map('unlink', glob("$dir/data-v*.json"));
+ $json = file_get_contents("https://github.com/cssjanus/cssjanus/raw/v$version/test/data.json");
+ if ($json === false) {
+ throw new Exception('Failed to fetch data');
+ }
+ file_put_contents($file, $json);
+ } else {
+ $json = file_get_contents($file);
+ }
+ }
+ return json_decode($json, /* $assoc = */ true);
+ }
+}
diff --git a/vendor/leafo/lessphp/LICENSE b/vendor/leafo/lessphp/LICENSE
new file mode 100644
index 00000000..49c9ea41
--- /dev/null
+++ b/vendor/leafo/lessphp/LICENSE
@@ -0,0 +1,660 @@
+For ease of distribution, lessphp 0.4.0 is under a dual license.
+You are free to pick which one suits your needs.
+
+
+
+
+MIT LICENSE
+
+
+
+
+Copyright (c) 2013 Leaf Corcoran, http://leafo.net/lessphp
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+
+
+GPL VERSION 3
+
+
+
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+ The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works. By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users. We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors. You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
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+you modify it: responsibilities to respect the freedom of others.
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+ For example, if you distribute copies of such a program, whether
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+
+ Developers that use the GNU GPL protect your rights with two steps:
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+authors' sake, the GPL requires that modified versions be marked as
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+ Some devices are designed to deny users access to install or run
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+sale, or importing the Program or any portion of it.
+
+ 11. Patents.
+
+ A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based. The
+work thus licensed is called the contributor's "contributor version".
+
+ A contributor's "essential patent claims" are all patent claims
+owned or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version. For
+purposes of this definition, "control" includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+ Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+ In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement). To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+ If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients. "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+ If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+ A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License. You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+ Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+ 12. No Surrender of Others' Freedom.
+
+ If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all. For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+ 13. Use with the GNU Affero General Public License.
+
+ Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work. The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+ 14. Revised Versions of this License.
+
+ The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time. Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+ Each version is given a distinguishing version number. If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation. If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+ If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+ Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+ 15. Disclaimer of Warranty.
+
+ THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
diff --git a/vendor/leafo/lessphp/Makefile b/vendor/leafo/lessphp/Makefile
new file mode 100644
index 00000000..a5d262cd
--- /dev/null
+++ b/vendor/leafo/lessphp/Makefile
@@ -0,0 +1,7 @@
+
+test:
+ phpunit --colors tests
+
+release:
+ ./package.sh
+
diff --git a/vendor/leafo/lessphp/README.md b/vendor/leafo/lessphp/README.md
new file mode 100644
index 00000000..1379ddce
--- /dev/null
+++ b/vendor/leafo/lessphp/README.md
@@ -0,0 +1,96 @@
+[![Build Status](https://travis-ci.org/leafo/lessphp.svg?branch=master)](https://travis-ci.org/leafo/lessphp)
+
+# lessphp v0.5.0
+### <http://leafo.net/lessphp>
+
+`lessphp` is a compiler for LESS written in PHP. The documentation is great,
+so check it out: <http://leafo.net/lessphp/docs/>.
+
+Here's a quick tutorial:
+
+### How to use in your PHP project
+
+The only file required is `lessc.inc.php`, so copy that to your include directory.
+
+The typical flow of **lessphp** is to create a new instance of `lessc`,
+configure it how you like, then tell it to compile something using one built in
+compile methods.
+
+The `compile` method compiles a string of LESS code to CSS.
+
+```php
+<?php
+require "lessc.inc.php";
+
+$less = new lessc;
+echo $less->compile(".block { padding: 3 + 4px }");
+```
+
+The `compileFile` method reads and compiles a file. It will either return the
+result or write it to the path specified by an optional second argument.
+
+```php
+<?php
+echo $less->compileFile("input.less");
+```
+
+The `compileChecked` method is like `compileFile`, but it only compiles if the output
+file doesn't exist or it's older than the input file:
+
+```php
+<?php
+$less->checkedCompile("input.less", "output.css");
+```
+
+If there any problem compiling your code, an exception is thrown with a helpful message:
+
+```php
+<?php
+try {
+ $less->compile("invalid LESS } {");
+} catch (exception $e) {
+ echo "fatal error: " . $e->getMessage();
+}
+```
+
+The `lessc` object can be configured through an assortment of instance methods.
+Some possible configuration options include [changing the output format][1],
+[setting variables from PHP][2], and [controlling the preservation of
+comments][3], writing [custom functions][4] and much more. It's all described
+in [the documentation][0].
+
+
+ [0]: http://leafo.net/lessphp/docs/
+ [1]: http://leafo.net/lessphp/docs/#output_formatting
+ [2]: http://leafo.net/lessphp/docs/#setting_variables_from_php
+ [3]: http://leafo.net/lessphp/docs/#preserving_comments
+ [4]: http://leafo.net/lessphp/docs/#custom_functions
+
+
+### How to use from the command line
+
+An additional script has been included to use the compiler from the command
+line. In the simplest invocation, you specify an input file and the compiled
+css is written to standard out:
+
+ $ plessc input.less > output.css
+
+Using the -r flag, you can specify LESS code directly as an argument or, if
+the argument is left off, from standard in:
+
+ $ plessc -r "my less code here"
+
+Finally, by using the -w flag you can watch a specified input file and have it
+compile as needed to the output file:
+
+ $ plessc -w input-file output-file
+
+Errors from watch mode are written to standard out.
+
+The -f flag sets the [output formatter][1]. For example, to compress the
+output run this:
+
+ $ plessc -f=compressed myfile.less
+
+For more help, run `plessc --help`
+
diff --git a/vendor/leafo/lessphp/composer.json b/vendor/leafo/lessphp/composer.json
new file mode 100644
index 00000000..0f06ba09
--- /dev/null
+++ b/vendor/leafo/lessphp/composer.json
@@ -0,0 +1,25 @@
+{
+ "name": "leafo/lessphp",
+ "type": "library",
+ "description": "lessphp is a compiler for LESS written in PHP.",
+ "homepage": "http://leafo.net/lessphp/",
+ "license": [
+ "MIT",
+ "GPL-3.0"
+ ],
+ "authors": [
+ {
+ "name": "Leaf Corcoran",
+ "email": "leafot@gmail.com",
+ "homepage": "http://leafo.net"
+ }
+ ],
+ "autoload": {
+ "classmap": ["lessc.inc.php"]
+ },
+ "extra": {
+ "branch-alias": {
+ "dev-master": "0.4.x-dev"
+ }
+ }
+}
diff --git a/vendor/leafo/lessphp/docs/docs.md b/vendor/leafo/lessphp/docs/docs.md
new file mode 100644
index 00000000..112dc2ee
--- /dev/null
+++ b/vendor/leafo/lessphp/docs/docs.md
@@ -0,0 +1,1400 @@
+ title: v0.5.0 documentation
+ link_to_home: true
+--
+
+<h2 skip="true">Documentation v0.5.0</h2>
+
+<div style="margin-bottom: 1em;">$index</div>
+
+**lessphp** is a compiler that generates CSS from a superset language which
+adds a collection of convenient features often seen in other languages. All CSS
+is compatible with LESS, so you can start using new features with your existing CSS.
+
+It is designed to be compatible with [less.js](http://lesscss.org), and suitable
+as a drop in replacement for PHP projects.
+
+## Getting Started
+
+The homepage for **lessphp** can be found at [http://leafo.net/lessphp/][1].
+
+You can follow development at the project's [GitHub][2].
+
+Including **lessphp** in your project is as simple as dropping the single
+include file into your code base and running the appropriate compile method as
+described in the [PHP Interface](#php_interface).
+
+ [1]: http://leafo.net/lessphp "lessphp homepage"
+ [2]: https://github.com/leafo/lessphp "lessphp GitHub page"
+
+## Installation
+
+**lessphp** is distributed entirely in a single stand-alone file. Download the
+latest version from either [the homepage][1] or [GitHub][2].
+
+Development versions can also be downloading from GitHub.
+
+Place `lessphp.inc.php` in a location available to your PHP scripts, and
+include it. That's it! you're ready to begin.
+
+## The Language
+
+**lessphp** is very easy to learn because it generally functions how you would
+expect it to. If you feel something is challenging or missing, feel free to
+open an issue on the [bug tracker](https://github.com/leafo/lessphp/issues).
+
+It is also easy to learn because any standards-compliant CSS code is valid LESS
+code. You are free to gradually enhance your existing CSS code base with LESS
+features without having to worry about rewriting anything.
+
+The following is a description of the new languages features provided by LESS.
+
+### Line Comments
+
+Simple but very useful; line comments are started with `//`:
+
+ ```less
+ // this is a comment
+ body {
+ color: red; // as is this
+ /* block comments still work also */
+ }
+ ```
+
+### Variables
+
+Variables are identified with a name that starts with `@`. To declare a
+variable, you create an appropriately named CSS property and assign it a value:
+
+ ```less
+ @family: "verdana";
+ @color: red;
+ body {
+ @mycolor: red;
+ font-family: @family;
+ color: @color;
+ border-bottom: 1px solid @color;
+ }
+ ```
+
+Variable declarations will not appear in the output. Variables can be declared
+in the outer most scope of the file, or anywhere else a CSS property may
+appear. They can hold any CSS property value.
+
+Variables are only visible for use from their current scope, or any enclosed
+scopes.
+
+If you have a string or keyword in a variable, you can reference another
+variable by that name by repeating the `@`:
+
+ ```less
+ @value: 20px;
+ @value_name: "value";
+
+ width: @@value_name;
+ ```
+
+### Expressions
+
+Expressions let you combine values and variables in meaningful ways. For
+example you can add to a color to make it a different shade. Or divide up the
+width of your layout logically. You can even concatenate strings.
+
+Use the mathematical operators to evaluate an expression:
+
+ ```less
+ @width: 960px;
+ .nav {
+ width: @width / 3;
+ color: #001 + #abc;
+ }
+ .body {
+ width: 2 * @width / 3;
+ font-family: "hel" + "vetica";
+ }
+ ```
+
+Parentheses can be used to control the order of evaluation. They can also be
+used to force an evaluation for cases where CSS's syntax makes the expression
+ambiguous.
+
+The following property will produce two numbers, instead of doing the
+subtraction:
+
+ ```less
+ margin: 10px -5px;
+ ```
+
+To force the subtraction:
+
+ ```less
+ margin: (10px -5px);
+ ```
+
+It is also safe to surround mathematical operators by spaces to ensure that
+they are evaluated:
+
+ ```less
+ margin: 10px - 5px;
+ ```
+
+Division has a special quirk. There are certain CSS properties that use the `/`
+operator as part of their value's syntax. Namely, the [font][4] shorthand and
+[border-radius][3].
+
+ [3]: https://developer.mozilla.org/en/CSS/border-radius
+ [4]: https://developer.mozilla.org/en/CSS/font
+
+
+Thus, **lessphp** will ignore any division in these properties unless it is
+wrapped in parentheses. For example, no division will take place here:
+
+ ```less
+ .font {
+ font: 20px/80px "Times New Roman";
+ }
+ ```
+
+In order to force division we must wrap the expression in parentheses:
+
+ ```less
+ .font {
+ font: (20px/80px) "Times New Roman";
+ }
+ ```
+
+If you want to write a literal `/` expression without dividing in another
+property (or a variable), you can use [string unquoting](#string_unquoting):
+
+ ```less
+ .var {
+ @size: ~"20px/80px";
+ font: @size sans-serif;
+ }
+ ```
+
+### Nested Blocks
+
+By nesting blocks we can build up a chain of CSS selectors through scope
+instead of repeating them. In addition to reducing repetition, this also helps
+logically organize the structure of our CSS.
+
+ ```less
+ ol.list {
+ li.special {
+ border: 1px solid red;
+ }
+
+ li.plain {
+ font-weight: bold;
+ }
+ }
+ ```
+
+
+This will produce two blocks, a `ol.list li.special` and `ol.list li.plain`.
+
+Blocks can be nested as deep as required in order to build a hierarchy of
+relationships.
+
+The `&` operator can be used in a selector to represent its parent's selector.
+If the `&` operator is used, then the default action of appending the parent to
+the front of the child selector separated by space is not performed.
+
+ ```less
+ b {
+ a & {
+ color: red;
+ }
+
+ // the following have the same effect
+
+ & i {
+ color: blue;
+ }
+
+ i {
+ color: blue;
+ }
+ }
+ ```
+
+
+Because the `&` operator respects the whitespace around it, we can use it to
+control how the child blocks are joined. Consider the differences between the
+following:
+
+ ```less
+ div {
+ .child-class { color: purple; }
+
+ &.isa-class { color: green; }
+
+ #child-id { height: 200px; }
+
+ &#div-id { height: 400px; }
+
+ &:hover { color: red; }
+
+ :link { color: blue; }
+ }
+ ```
+
+The `&` operator also works with [mixins](#mixins), which produces interesting results:
+
+ ```less
+ .within_box_style() {
+ .box & {
+ color: blue;
+ }
+ }
+
+ #menu {
+ .within_box_style;
+ }
+ ```
+
+### Mixins
+
+Any block can be mixed in just by naming it:
+
+ ```less
+ .mymixin {
+ color: blue;
+ border: 1px solid red;
+
+ .special {
+ font-weight: bold;
+ }
+ }
+
+
+ h1 {
+ font-size: 200px;
+ .mymixin;
+ }
+ ```
+
+All properties and child blocks are mixed in.
+
+Mixins can be made parametric, meaning they can take arguments, in order to
+enhance their utility. A parametric mixin all by itself is not outputted when
+compiled. Its properties will only appear when mixed into another block.
+
+The canonical example is to create a rounded corners mixin that works across
+browsers:
+
+ ```less
+ .rounded-corners(@radius: 5px) {
+ border-radius: @radius;
+ -webkit-border-radius: @radius;
+ -moz-border-radius: @radius;
+ }
+
+ .header {
+ .rounded-corners();
+ }
+
+ .info {
+ background: red;
+ .rounded-corners(14px);
+ }
+ ```
+
+If you have a mixin that doesn't have any arguments, but you don't want it to
+show up in the output, give it a blank argument list:
+
+ ```less
+ .secret() {
+ font-size: 6000px;
+ }
+
+ .div {
+ .secret;
+ }
+ ```
+
+If the mixin doesn't need any arguments, you can leave off the parentheses when
+mixing it in, as seen above.
+
+You can also mixin a block that is nested inside other blocks. You can think of
+the outer block as a way of making a scope for your mixins. You just list the
+names of the mixins separated by spaces, which describes the path to the mixin
+you want to include. Optionally you can separate them by `>`.
+
+ ```less
+ .my_scope {
+ .some_color {
+ color: red;
+ .inner_block {
+ text-decoration: underline;
+ }
+ }
+ .bold {
+ font-weight: bold;
+ color: blue;
+ }
+ }
+
+ .a_block {
+ .my_scope .some_color;
+ .my_scope .some_color .inner_block;
+ }
+
+ .another_block {
+ // the alternative syntax
+ .my_scope > .bold;
+ }
+ ```
+
+
+#### Mixin Arguments
+
+When declaring a mixin you can specify default values for each argument. Any
+argument left out will be given the default value specified. Here's the
+syntax:
+
+```less
+.mix(@color: red, @height: 20px, @pad: 12px) {
+ border: 1px solid @color;
+ height: @height - @pad;
+ padding: @pad;
+}
+
+.default1 {
+ .mix();
+}
+
+.default2 {
+ .mix(blue);
+}
+
+.default3 {
+ .mix(blue, 40px, 5px);
+}
+```
+
+Additionally, you can also call a mixin using the argument names, this is
+useful if you want to replace a specific argument while having all the others
+take the default regardless of what position the argument appears in. The
+syntax looks something like this:
+
+
+```lessbasic
+div {
+ .my_mixin(@paddding: 4px); // @color and @height get default values
+ .my_mixin(@paddding: 4px, @height: 50px); // you can specify them in any order
+}
+```
+
+You can also combine the ordered arguments with the named ones:
+
+```lessbasic
+div {
+ // @color is blue, @padding is 4px, @height is default
+ .my_mixin(blue, @padding: 4px);
+}
+```
+
+Mixin arguments can be delimited with either a `,` or `;`, but only one can be
+active at once. This means that each argument is separated by either `,` or
+`;`. By default `,` is the delimiter, in all the above examples we used a `,`.
+
+A problem arises though, sometimes CSS value lists are made up with commas. In
+order to be able to pass a comma separated list literal we need to use `;` as
+the delimiter. (You don't need to worry about this if your list is stored in a
+variable)
+
+If a `;` appears anywhere in the argument list, then it will be used as the
+argument delimiter, and all commas we be used as part of the argument values.
+
+Here's a basic example:
+
+```less
+.fancy_mixin(@box_shadow, @color: blue) {
+ border: 1px solid @color;
+ box-shadow: @box_shadow;
+}
+
+
+div {
+ // two arguments passed separated by ;
+ .fancy_mixin(2px 2px, -2px -2px; red);
+}
+
+pre {
+ // one argument passed, ends in ;
+ .fancy_mixin(inset 4px 4px, -2px 2px;);
+}
+
+```
+
+If we only want to pass a single comma separated value we still need to use
+`;`, to do this we stick it on the end as demonstrated above.
+
+
+#### `@arguments` Variable
+
+Within an mixin there is a special variable named `@arguments` that contains
+all the arguments passed to the mixin along with any remaining arguments that
+have default values. The value of the variable has all the values separated by
+spaces.
+
+This useful for quickly assigning all the arguments:
+
+ ```less
+ .box-shadow(@x, @y, @blur, @color) {
+ box-shadow: @arguments;
+ -webkit-box-shadow: @arguments;
+ -moz-box-shadow: @arguments;
+ }
+ .menu {
+ .box-shadow(1px, 1px, 5px, #aaa);
+ }
+ ```
+
+In addition to the arguments passed to the mixin, `@arguments` will also include
+remaining default values assigned by the mixin:
+
+
+ ```less
+ .border-mixin(@width, @style: solid, @color: black) {
+ border: @arguments;
+ }
+
+ pre {
+ .border-mixin(4px, dotted);
+ }
+
+ ```
+
+
+#### Pattern Matching
+
+When you *mix in* a mixin, all the available mixins of that name in the current
+scope are checked to see if they match based on what was passed to the mixin
+and how it was declared.
+
+The simplest case is matching by number of arguments. Only the mixins that
+match the number of arguments passed in are used.
+
+ ```less
+ .simple() { // matches no arguments
+ height: 10px;
+ }
+
+ .simple(@a, @b) { // matches two arguments
+ color: red;
+ }
+
+ .simple(@a) { // matches one argument
+ color: blue;
+ }
+
+ div {
+ .simple(10);
+ }
+
+ span {
+ .simple(10, 20);
+ }
+ ```
+
+Whether an argument has default values is also taken into account when matching
+based on number of arguments:
+
+ ```less
+ // matches one or two arguments
+ .hello(@a, @b: blue) {
+ height: @a;
+ color: @b;
+ }
+
+ .hello(@a, @b) { // matches only two
+ width: @a;
+ border-color: @b;
+ }
+
+ .hello(@a) { // matches only one
+ padding: 1em;
+ }
+
+ div {
+ .hello(10px);
+ }
+
+ pre {
+ .hello(10px, yellow);
+ }
+ ```
+
+Additionally, a *vararg* value can be used to further control how things are
+matched. A mixin's argument list can optionally end in the special argument
+named `...`. The `...` may match any number of arguments, including 0.
+
+ ```less
+ // this will match any number of arguments
+ .first(...) {
+ color: blue;
+ }
+
+ // matches at least 1 argument
+ .second(@arg, ...) {
+ height: 200px + @arg;
+ }
+
+ div { .first("some", "args"); }
+ pre { .second(10px); }
+ ```
+
+If you want to capture the values that get captured by the *vararg* you can
+give it a variable name by putting it directly before the `...`. This variable
+must be the last argument defined. It's value is just like the special
+[`@arguments` variable](#arguments_variable), a space separated list.
+
+
+ ```less
+ .hello(@first, @rest...) {
+ color: @first;
+ text-shadow: @rest;
+ }
+
+ span {
+ .hello(red, 1px, 1px, 0px, white);
+ }
+
+ ```
+
+Another way of controlling whether a mixin matches is by specifying a value in
+place of an argument name when declaring the mixin:
+
+ ```less
+ .style(old, @size) {
+ font: @size serif;
+ }
+
+ .style(new, @size) {
+ font: @size sans-serif;
+ }
+
+ .style(@_, @size) {
+ letter-spacing: floor(@size / 6px);
+ }
+
+ em {
+ @switch: old;
+ .style(@switch, 15px);
+ }
+ ```
+
+Notice that two of the three mixins were matched. The mixin with a matching
+first argument, and the generic mixin that matches two arguments. It's common
+to use `@_` as the name of a variable we intend to not use. It has no special
+meaning to LESS, just to the reader of the code.
+
+#### Guards
+
+Another way of restricting when a mixin is mixed in is by using guards. A guard
+is a special expression that is associated with a mixin declaration that is
+evaluated during the mixin process. It must evaluate to true before the mixin
+can be used.
+
+We use the `when` keyword to begin describing a list of guard expressions.
+
+Here's a simple example:
+
+ ```less
+ .guarded(@arg) when (@arg = hello) {
+ color: blue;
+ }
+
+ div {
+ .guarded(hello); // match
+ }
+
+ span {
+ .guarded(world); // no match
+ }
+ ```
+Only the `div`'s mixin will match in this case, because the guard expression
+requires that `@arg` is equal to `hello`.
+
+We can include many different guard expressions by separating them by commas.
+Only one of them needs to match to trigger the mixin:
+
+ ```less
+ .x(@a, @b) when (@a = hello), (@b = world) {
+ width: 960px;
+ }
+
+ div {
+ .x(hello, bar); // match
+ }
+
+ span {
+ .x(foo, world); // match
+ }
+
+ pre {
+ .x(foo, bar); // no match
+ }
+ ```
+
+Instead of a comma, we can use `and` keyword to make it so all of the guards
+must match in order to trigger the mixin. `and` has higher precedence than the
+comma.
+
+ ```less
+ .y(@a, @b) when (@a = hello) and (@b = world) {
+ height: 600px;
+ }
+
+ div {
+ .y(hello, world); // match
+ }
+
+ span {
+ .y(hello, bar); // no match
+ }
+ ```
+
+Commas and `and`s can be mixed and matched.
+
+You can also negate a guard expression by using `not` in from of the parentheses:
+
+ ```less
+ .x(@a) when not (@a = hello) {
+ color: blue;
+ }
+
+ div {
+ .x(hello); // no match
+ }
+ ```
+
+The `=` operator is used to check equality between any two values. For numbers
+the following comparison operators are also defined:
+
+`<`, `>`, `=<`, `>=`
+
+There is also a collection of predicate functions that can be used to test the
+type of a value.
+
+These are `isnumber`, `iscolor`, `iskeyword`, `isstring`, `ispixel`,
+`ispercentage` and `isem`.
+
+ ```less
+ .mix(@a) when (ispercentage(@a)) {
+ height: 500px * @a;
+ }
+ .mix(@a) when (ispixel(@a)) {
+ height: @a;
+ }
+
+ div.a {
+ .mix(50%);
+ }
+
+ div.a {
+ .mix(350px);
+ }
+ ```
+
+#### !important
+
+If you want to apply the `!important` suffix to every property when mixing in a
+mixin, just append `!important` to the end of the call to the mixin:
+
+ ```less
+ .make_bright {
+ color: red;
+ font-weight: bold;
+ }
+
+ .color {
+ color: green;
+ }
+
+ body {
+ .make_bright() !important;
+ .color();
+ }
+
+ ```
+
+### Selector Expressions
+
+Sometimes we want to dynamically generate the selector of a block based on some
+variable or expression. We can do this by using *selector expressions*. Selector
+expressions are CSS selectors that are evaluated in the current scope before
+being written out.
+
+A simple example is a mixin that dynamically creates a selector named after the
+mixin's argument:
+
+ ```less
+ .create-selector(@name) {
+ @{name} {
+ color: red;
+ }
+ }
+
+ .create-selector(hello);
+ .create-selector(world);
+ ```
+
+The string interpolation syntax works inside of selectors, letting you insert varaibles.
+
+Here's an interesting example adapted from Twitter Bootstrap. A couple advanced
+things are going on. We are using [Guards](#guards) along with a recursive
+mixin to work like a loop to generate a series of CSS blocks.
+
+
+ ```less
+ // create our recursive mixin:
+ .spanX (@index) when (@index > 0) {
+ .span@{index} {
+ width: @index * 100px;
+ }
+ .spanX(@index - 1);
+ }
+ .spanX (0) {}
+
+ // mix it into the global scopee:
+ .spanX(4);
+ ```
+
+### Import
+
+Multiple LESS files can be compiled into a single CSS file by using the
+`@import` statement. Be careful, the LESS import statement shares syntax with
+the CSS import statement. If the file being imported ends in a `.less`
+extension, or no extension, then it is treated as a LESS import. Otherwise it
+is left alone and outputted directly:
+
+ ```lessbasic
+ // my_file.less
+ .some-mixin(@height) {
+ height: @height;
+ }
+
+ // main.less
+ @import "main.less" // will import the file if it can be found
+ @import "main.css" // will be left alone
+
+ body {
+ .some-mixin(400px);
+ }
+ ```
+
+All of the following lines are valid ways to import the same file:
+
+ ```lessbasic
+ @import "file";
+ @import 'file.less';
+ @import url("file");
+ @import url('file');
+ @import url(file);
+ ```
+
+When importing, the `importDir` is searched for files. This can be configured,
+see [PHP Interface](#php_interface).
+
+A file is only imported once. If you try to include the same file multiple
+times all the import statements after the first produce no output.
+
+### String Interpolation
+
+String interpolation is a convenient way to insert the value of a variable
+right into a string literal. Given some variable named `@var_name`, you just
+need to write it as `@{var_name}` from within the string to have its value
+inserted:
+
+ ```less
+ @symbol: ">";
+ h1:before {
+ content: "@{symbol}: ";
+ }
+
+ h2:before {
+ content: "@{symbol}@{symbol}: ";
+ }
+ ```
+
+There are two kinds of strings, implicit and explicit strings. Explicit strings
+are wrapped by double quotes, `"hello I am a string"`, or single quotes `'I am
+another string'`. Implicit strings only appear when using `url()`. The text
+between the parentheses is considered a string and thus string interpolation is
+possible:
+
+ ```less
+ @path: "files/";
+ body {
+ background: url(@{path}my_background.png);
+ }
+ ```
+
+### String Format Function
+
+The `%` function can be used to insert values into strings using a *format
+string*. It works similar to `printf` seen in other languages. It has the
+same purpose as string interpolation above, but gives explicit control over
+the output format.
+
+ ```less
+ @symbol: ">";
+ h1:before {
+ content: %("%s: ", @symbol);
+ }
+ ```
+
+The `%` function takes as its first argument the format string, following any
+number of addition arguments that are inserted in place of the format
+directives.
+
+A format directive starts with a `%` and is followed by a single character that
+is either `a`, `d`, or `s`:
+
+ ```less
+ strings: %("%a %d %s %a", hi, 1, 'ok', 'cool');
+ ```
+
+`%a` and `%d` format the value the same way: they compile the argument to its
+CSS value and insert it directly. When used with a string, the quotes are
+included in the output. This typically isn't what we want, so we have the `%s`
+format directive which strips quotes from strings before inserting them.
+
+The `%d` directive functions the same as `%a`, but is typically used for numbers
+assuming the output format of numbers might change in the future.
+
+### String Unquoting
+
+Sometimes you will need to write proprietary CSS syntax that is unable to be
+parsed. As a workaround you can place the code into a string and unquote it.
+Unquoting is the process of outputting a string without its surrounding quotes.
+There are two ways to unquote a string.
+
+The `~` operator in front of a string will unquote that string:
+
+ ```less
+ .class {
+ // a made up, but problematic vendor specific CSS
+ filter: ~"Microsoft.AlphaImage(src='image.png')";
+ }
+ ```
+
+If you are working with other types, such as variables, there is a built in
+function that let's you unquote any value. It is called `e`.
+
+ ```less
+ @color: "red";
+ .class {
+ color: e(@color);
+ }
+ ```
+
+### Built In Functions
+
+**lessphp** has a collection of built in functions:
+
+* `e(str)` -- returns a string without the surrounding quotes.
+ See [String Unquoting](#string_unquoting)
+
+* `floor(number)` -- returns the floor of a numerical input
+* `round(number, [precision])` -- returns the rounded value of numerical input with optional precision
+
+* `lighten(color, percent)` -- lightens `color` by `percent` and returns it
+* `darken(color, percent)` -- darkens `color` by `percent` and returns it
+
+* `saturate(color, percent)` -- saturates `color` by `percent` and returns it
+* `desaturate(color, percent)` -- desaturates `color` by `percent` and returns it
+
+* `fadein(color, percent)` -- makes `color` less transparent by `percent` and returns it
+* `fadeout(color, percent)` -- makes `color` more transparent by `percent` and returns it
+
+* `spin(color, amount)` -- returns a color with `amount` degrees added to hue
+
+* `fade(color, amount)` -- returns a color with the alpha set to `amount`
+
+* `hue(color)` -- returns the hue of `color`
+
+* `saturation(color)` -- returns the saturation of `color`
+
+* `lightness(color)` -- returns the lightness of `color`
+
+* `alpha(color)` -- returns the alpha value of `color` or 1.0 if it doesn't have an alpha
+
+* `percentage(number)` -- converts a floating point number to a percentage, e.g. `0.65` -> `65%`
+
+* `mix(color1, color1, percent)` -- mixes two colors by percentage where 100%
+ keeps all of `color1`, and 0% keeps all of `color2`. Will take into account
+ the alpha of the colors if it exists. See
+ <http://sass-lang.com/docs/yardoc/Sass/Script/Functions.html#mix-instance_method>.
+
+* `contrast(color, dark, light)` -- if `color` has a lightness value greater
+ than 50% then `dark` is returned, otherwise return `light`.
+
+* `extract(list, index)` -- returns the `index`th item from `list`. The list is
+ `1` indexed, meaning the first item's index is 1, the second is 2, and etc.
+
+* `pow(base, exp)` -- returns `base` raised to the power of `exp`
+
+* `pi()` -- returns pi
+
+* `mod(a,b)` -- returns `a` modulus `b`
+
+* `tan(a)` -- returns tangent of `a` where `a` is in radians
+
+* `cos(a)` -- returns cosine of `a` where `a` is in radians
+
+* `sin(a)` -- returns sine of `a` where `a` is in radians
+
+* `atan(a)` -- returns arc tangent of `a`
+
+* `acos(a)` -- returns arc cosine of `a`
+
+* `asin(a)` -- returns arc sine of `a`
+
+* `sqrt(a)` -- returns square root of `a`
+
+* `rgbahex(color)` -- returns a string containing 4 part hex color.
+
+ This is used to convert a CSS color into the hex format that IE's filter
+ method expects when working with an alpha component.
+
+ ```less
+ .class {
+ @start: rgbahex(rgba(25, 34, 23, .5));
+ @end: rgbahex(rgba(85, 74, 103, .6));
+ // abridged example
+ -ms-filter:
+ e("gradient(start=@{start},end=@{end})");
+ }
+ ```
+
+## PHP Interface
+
+When working with **lessphp** from PHP, the typical flow is to create a new
+instance of `lessc`, configure it how you like, then tell it to compile
+something using one built in compile methods.
+
+Methods:
+
+* [`compile($string)`](#compiling[) -- Compile a string
+
+* [`compileFile($inFile, [$outFile])`](#compiling) -- Compile a file to another or return it
+
+* [`checkedCompile($inFile, $outFile)`](#compiling) -- Compile a file only if it's newer
+
+* [`cachedCompile($cacheOrFile, [$force])`](#compiling_automatically) -- Conditionally compile while tracking imports
+
+* [`setFormatter($formatterName)`](#output_formatting) -- Change how CSS output looks
+
+* [`setPreserveComments($keepComments)`](#preserving_comments) -- Change if comments are kept in output
+
+* [`registerFunction($name, $callable)`](#custom_functions) -- Add a custom function
+
+* [`unregisterFunction($name)`](#custom_functions) -- Remove a registered function
+
+* [`setVariables($vars)`](#setting_variables_from_php) -- Set a variable from PHP
+
+* [`unsetVariable($name)`](#setting_variables_from_php) -- Remove a PHP variable
+
+* [`setImportDir($dirs)`](#import_directory) -- Set the search path for imports
+
+* [`addImportDir($dir)`](#import_directory) -- Append directory to search path for imports
+
+
+### Compiling
+
+The `compile` method compiles a string of LESS code to CSS.
+
+ ```php
+ <?php
+ require "lessc.inc.php";
+
+ $less = new lessc;
+ echo $less->compile(".block { padding: 3 + 4px }");
+ ```
+
+The `compileFile` method reads and compiles a file. It will either return the
+result or write it to the path specified by an optional second argument.
+
+ ```php
+ echo $less->compileFile("input.less");
+ ```
+
+The `compileChecked` method is like `compileFile`, but it only compiles if the output
+file doesn't exist or it's older than the input file:
+
+ ```php
+ $less->checkedCompile("input.less", "output.css");
+ ```
+
+See [Compiling Automatically](#compiling_automatically) for a description of
+the more advanced `cachedCompile` method.
+
+### Output Formatting
+
+Output formatting controls the indentation of the output CSS. Besides the
+default formatter, two additional ones are included and it's also easy to make
+your own.
+
+To use a formatter, the method `setFormatter` is used. Just
+pass the name of the formatter:
+
+ ```php
+ $less = new lessc;
+
+ $less->setFormatter("compressed");
+ echo $less->compile("div { color: lighten(blue, 10%) }");
+ ```
+
+In this example, the `compressed` formatter is used. The formatters are:
+
+ * `lessjs` *(default)* -- Same style used in LESS for JavaScript
+
+ * `compressed` -- Compresses all the unrequired whitespace
+
+ * `classic` -- **lessphp**'s original formatter
+
+To revert to the default formatter, call `setFormatter` with a value of `null`.
+
+#### Custom Formatter
+
+The easiest way to customize the formatter is to create your own instance of an
+existing formatter and alter its public properties before passing it off to
+**lessphp**. The `setFormatter` method can also take an instance of a
+formatter.
+
+Each of the formatter names corresponds to a class with `lessc_formatter_`
+prepended in front of it. Here the classic formatter is customized to use tabs
+instead of spaces:
+
+
+ ```php
+ $formatter = new lessc_formatter_classic;
+ $formatter->indentChar = "\t";
+
+ $less = new lessc;
+ $less->setFormatter($formatter);
+ echo $less->compileFile("myfile.less");
+ ```
+
+For more information about what can be configured with the formatter consult
+the source code.
+
+### Preserving Comments
+
+By default, all comments in the source LESS file are stripped when compiling.
+You might want to keep the `/* */` comments in the output though. For
+example, bundling a license in the file.
+
+Enable or disable comment preservation by calling `setPreserveComments`:
+
+ ```php
+ $less = new lessc;
+ $less->setPreserveComments(true);
+ echo $less->compile("/* hello! */");
+ ```
+
+Comments are disabled by default because there is additional overhead, and more
+often than not they aren't needed.
+
+
+### Compiling Automatically
+
+Often, you want to only compile a LESS file only if it has been modified since
+last compile. This is very important because compiling is performance intensive
+and you should avoid a recompile if it possible.
+
+The `checkedCompile` compile method will do just that. It will check if the
+input file is newer than the output file, or if the output file doesn't exist
+yet, and compile only then.
+
+ ```php
+ $less->checkedCompile("input.less", "output.css");
+ ```
+
+There's a problem though. `checkedCompile` is very basic, it only checks the
+input file's modification time. It is unaware of any files from `@import`.
+
+
+For this reason we also have `cachedCompile`. It's slightly more complex, but
+gives us the ability to check changes to all files including those imported. It
+takes one argument, either the name of the file we want to compile, or an
+existing *cache object*. Its return value is an updated cache object.
+
+If we don't have a cache object, then we call the function with the name of the
+file to get the initial cache object. If we do have a cache object, then we
+call the function with it. In both cases, an updated cache object is returned.
+
+The cache object keeps track of all the files that must be checked in order to
+determine if a rebuild is required.
+
+The cache object is a plain PHP `array`. It stores the last time it compiled in
+`$cache["updated"]` and output of the compile in `$cache["compiled"]`.
+
+Here we demonstrate creating an new cache object, then using it to see if we
+have a recompiled version available to be written:
+
+
+ ```php
+ $inputFile = "myfile.less";
+ $outputFile = "myfile.css";
+
+ $less = new lessc;
+
+ // create a new cache object, and compile
+ $cache = $less->cachedCompile($inputFile);
+
+ file_put_contents($outputFile, $cache["compiled"]);
+
+ // the next time we run, write only if it has updated
+ $last_updated = $cache["updated"];
+ $cache = $less->cachedCompile($cache);
+ if ($cache["updated"] > $last_updated) {
+ file_put_contents($outputFile, $cache["compiled"]);
+ }
+
+ ```
+
+In order for the system to fully work, we must save cache object between
+requests. Because it's a plain PHP `array`, it's sufficient to
+[`serialize`](http://php.net/serialize) it and save it the string somewhere
+like a file or in persistent memory.
+
+An example with saving cache object to a file:
+
+ ```php
+ function autoCompileLess($inputFile, $outputFile) {
+ // load the cache
+ $cacheFile = $inputFile.".cache";
+
+ if (file_exists($cacheFile)) {
+ $cache = unserialize(file_get_contents($cacheFile));
+ } else {
+ $cache = $inputFile;
+ }
+
+ $less = new lessc;
+ $newCache = $less->cachedCompile($cache);
+
+ if (!is_array($cache) || $newCache["updated"] > $cache["updated"]) {
+ file_put_contents($cacheFile, serialize($newCache));
+ file_put_contents($outputFile, $newCache['compiled']);
+ }
+ }
+
+ autoCompileLess('myfile.less', 'myfile.css');
+ ```
+
+`cachedCompile` method takes an optional second argument, `$force`. Passing in
+true will cause the input to always be recompiled.
+
+### Error Handling
+
+All of the compile methods will throw an `Exception` if the parsing fails or
+there is a compile time error. Compile time errors include things like passing
+incorrectly typed values for functions that expect specific things, like the
+color manipulation functions.
+
+ ```php
+ $less = new lessc;
+ try {
+ $less->compile("} invalid LESS }}}");
+ } catch (Exception $ex) {
+ echo "lessphp fatal error: ".$ex->getMessage();
+ }
+ ```
+### Setting Variables From PHP
+
+Before compiling any code you can set initial LESS variables from PHP. The
+`setVariables` method lets us do this. It takes an associative array of names
+to values. The values must be strings, and will be parsed into correct CSS
+values.
+
+
+ ```php
+ $less = new lessc;
+
+ $less->setVariables(array(
+ "color" => "red",
+ "base" => "960px"
+ ));
+
+ echo $less->compile(".magic { color: @color; width: @base - 200; }");
+ ```
+
+If you need to unset a variable, the `unsetVariable` method is available. It
+takes the name of the variable to unset.
+
+ ```php
+ $less->unsetVariable("color");
+ ```
+
+Be aware that the value of the variable is a string containing a CSS value. So
+if you want to pass a LESS string in, you're going to need two sets of quotes.
+One for PHP and one for LESS.
+
+
+ ```php
+ $less->setVariables(array(
+ "url" => "'http://example.com.com/'"
+ ));
+
+ echo $less->compile("body { background: url("@{url}/bg.png"); }");
+ ```
+
+### Import Directory
+
+When running the `@import` directive, an array of directories called the import
+search path is searched through to find the file being asked for.
+
+By default, when using `compile`, the import search path just contains `""`,
+which is equivalent to the current directory of the script. If `compileFile` is
+used, then the directory of the file being compiled is used as the starting
+import search path.
+
+Two methods are available for configuring the search path.
+
+`setImportDir` will overwrite the search path with its argument. If the value
+isn't an array it will be converted to one.
+
+
+In this example, `@import "colors";` will look for either
+`assets/less/colors.less` or `assets/bootstrap/colors.less` in that order:
+
+ ```php
+ $less->setImportDir(array("assets/less/", "assets/bootstrap"));
+
+ echo $less->compile('@import "colors";');
+ ```
+
+`addImportDir` will append a single path to the import search path instead of
+overwriting the whole thing.
+
+ ```php
+ $less->addImportDir("public/stylesheets");
+ ```
+
+### Custom Functions
+
+**lessphp** has a simple extension interface where you can implement user
+functions that will be exposed in LESS code during the compile. They can be a
+little tricky though because you need to work with the **lessphp** type system.
+
+The two methods we are interested in are `registerFunction` and
+`unregisterFunction`. `registerFunction` takes two arguments, a name and a
+callable value. `unregisterFunction` just takes the name of an existing
+function to remove.
+
+Here's an example that adds a function called `double` that doubles any numeric
+argument:
+
+ ```php
+ <?php
+ include "lessc.inc.php";
+
+ function lessphp_double($arg) {
+ list($type, $value) = $arg;
+ return array($type, $value*2);
+ }
+
+ $less = new lessc;
+ $less->registerFunction("double", "lessphp_double");
+
+ // gives us a width of 800px
+ echo $less->compile("div { width: double(400px); }");
+ ```
+
+The second argument to `registerFunction` is any *callable value* that is
+understood by [`call_user_func`](http://php.net/call_user_func).
+
+If we are using PHP 5.3 or above then we are free to pass a function literal
+like so:
+
+ ```php
+ $less->registerFunction("double", function($arg) {
+ list($type, $value, $unit) = $arg;
+ return array($type, $value*2, $unit);
+ });
+ ```
+
+Now let's talk about the `double` function itself.
+
+Although a little verbose, the implementation gives us some insight on the type
+system. All values in **lessphp** are stored in an array where the 0th element
+is a string representing the type, and the other elements make up the
+associated data for that value.
+
+The best way to get an understanding of the system is to register is dummy
+function which does a `var_dump` on the argument. Try passing the function
+different values from LESS and see what the results are.
+
+The return value of the registered function must also be a **lessphp** type,
+but if it is a string or numeric value, it will automatically be coerced into
+an appropriate typed value. In our example, we reconstruct the value with our
+modifications while making sure that we preserve the original type.
+
+The instance of **lessphp** itself is sent to the registered function as the
+second argument in addition to the arguments array.
+
+## Command Line Interface
+
+**lessphp** comes with a command line script written in PHP that can be used to
+invoke the compiler from the terminal. On Linux and OSX, all you need to do is
+place `plessc` and `lessc.inc.php` somewhere in your PATH (or you can run it in
+the current directory as well). On windows you'll need a copy of `php.exe` to
+run the file. To compile a file, `input.less` to CSS, run:
+
+ ```bash
+ $ plessc input.less
+ ```
+
+To write to a file, redirect standard out:
+
+ ```bash
+ $ plessc input.less > output.css
+ ```
+
+To compile code directly on the command line:
+
+ ```bash
+ $ plessc -r "@color: red; body { color: @color; }"
+ ```
+
+To watch a file for changes, and compile it as needed, use the `-w` flag:
+
+ ```bash
+ $ plessc -w input-file output-file
+ ```
+
+Errors from watch mode are written to standard out.
+
+
+## License
+
+Copyright (c) 2012 Leaf Corcoran, <http://leafo.net/lessphp>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+*Also under GPL3 if required, see `LICENSE` file*
+
diff --git a/vendor/leafo/lessphp/lessc.inc.php b/vendor/leafo/lessphp/lessc.inc.php
new file mode 100644
index 00000000..2292f219
--- /dev/null
+++ b/vendor/leafo/lessphp/lessc.inc.php
@@ -0,0 +1,3768 @@
+<?php
+
+/**
+ * lessphp v0.5.0
+ * http://leafo.net/lessphp
+ *
+ * LESS CSS compiler, adapted from http://lesscss.org
+ *
+ * Copyright 2013, Leaf Corcoran <leafot@gmail.com>
+ * Licensed under MIT or GPLv3, see LICENSE
+ */
+
+
+/**
+ * The LESS compiler and parser.
+ *
+ * Converting LESS to CSS is a three stage process. The incoming file is parsed
+ * by `lessc_parser` into a syntax tree, then it is compiled into another tree
+ * representing the CSS structure by `lessc`. The CSS tree is fed into a
+ * formatter, like `lessc_formatter` which then outputs CSS as a string.
+ *
+ * During the first compile, all values are *reduced*, which means that their
+ * types are brought to the lowest form before being dump as strings. This
+ * handles math equations, variable dereferences, and the like.
+ *
+ * The `parse` function of `lessc` is the entry point.
+ *
+ * In summary:
+ *
+ * The `lessc` class creates an instance of the parser, feeds it LESS code,
+ * then transforms the resulting tree to a CSS tree. This class also holds the
+ * evaluation context, such as all available mixins and variables at any given
+ * time.
+ *
+ * The `lessc_parser` class is only concerned with parsing its input.
+ *
+ * The `lessc_formatter` takes a CSS tree, and dumps it to a formatted string,
+ * handling things like indentation.
+ */
+class lessc {
+ static public $VERSION = "v0.5.0";
+
+ static public $TRUE = array("keyword", "true");
+ static public $FALSE = array("keyword", "false");
+
+ protected $libFunctions = array();
+ protected $registeredVars = array();
+ protected $preserveComments = false;
+
+ public $vPrefix = '@'; // prefix of abstract properties
+ public $mPrefix = '$'; // prefix of abstract blocks
+ public $parentSelector = '&';
+
+ public $importDisabled = false;
+ public $importDir = '';
+
+ protected $numberPrecision = null;
+
+ protected $allParsedFiles = array();
+
+ // set to the parser that generated the current line when compiling
+ // so we know how to create error messages
+ protected $sourceParser = null;
+ protected $sourceLoc = null;
+
+ static protected $nextImportId = 0; // uniquely identify imports
+
+ // attempts to find the path of an import url, returns null for css files
+ protected function findImport($url) {
+ foreach ((array)$this->importDir as $dir) {
+ $full = $dir.(substr($dir, -1) != '/' ? '/' : '').$url;
+ if ($this->fileExists($file = $full.'.less') || $this->fileExists($file = $full)) {
+ return $file;
+ }
+ }
+
+ return null;
+ }
+
+ protected function fileExists($name) {
+ return is_file($name);
+ }
+
+ static public function compressList($items, $delim) {
+ if (!isset($items[1]) && isset($items[0])) return $items[0];
+ else return array('list', $delim, $items);
+ }
+
+ static public function preg_quote($what) {
+ return preg_quote($what, '/');
+ }
+
+ protected function tryImport($importPath, $parentBlock, $out) {
+ if ($importPath[0] == "function" && $importPath[1] == "url") {
+ $importPath = $this->flattenList($importPath[2]);
+ }
+
+ $str = $this->coerceString($importPath);
+ if ($str === null) return false;
+
+ $url = $this->compileValue($this->lib_e($str));
+
+ // don't import if it ends in css
+ if (substr_compare($url, '.css', -4, 4) === 0) return false;
+
+ $realPath = $this->findImport($url);
+
+ if ($realPath === null) return false;
+
+ if ($this->importDisabled) {
+ return array(false, "/* import disabled */");
+ }
+
+ if (isset($this->allParsedFiles[realpath($realPath)])) {
+ return array(false, null);
+ }
+
+ $this->addParsedFile($realPath);
+ $parser = $this->makeParser($realPath);
+ $root = $parser->parse(file_get_contents($realPath));
+
+ // set the parents of all the block props
+ foreach ($root->props as $prop) {
+ if ($prop[0] == "block") {
+ $prop[1]->parent = $parentBlock;
+ }
+ }
+
+ // copy mixins into scope, set their parents
+ // bring blocks from import into current block
+ // TODO: need to mark the source parser these came from this file
+ foreach ($root->children as $childName => $child) {
+ if (isset($parentBlock->children[$childName])) {
+ $parentBlock->children[$childName] = array_merge(
+ $parentBlock->children[$childName],
+ $child);
+ } else {
+ $parentBlock->children[$childName] = $child;
+ }
+ }
+
+ $pi = pathinfo($realPath);
+ $dir = $pi["dirname"];
+
+ list($top, $bottom) = $this->sortProps($root->props, true);
+ $this->compileImportedProps($top, $parentBlock, $out, $parser, $dir);
+
+ return array(true, $bottom, $parser, $dir);
+ }
+
+ protected function compileImportedProps($props, $block, $out, $sourceParser, $importDir) {
+ $oldSourceParser = $this->sourceParser;
+
+ $oldImport = $this->importDir;
+
+ // TODO: this is because the importDir api is stupid
+ $this->importDir = (array)$this->importDir;
+ array_unshift($this->importDir, $importDir);
+
+ foreach ($props as $prop) {
+ $this->compileProp($prop, $block, $out);
+ }
+
+ $this->importDir = $oldImport;
+ $this->sourceParser = $oldSourceParser;
+ }
+
+ /**
+ * Recursively compiles a block.
+ *
+ * A block is analogous to a CSS block in most cases. A single LESS document
+ * is encapsulated in a block when parsed, but it does not have parent tags
+ * so all of it's children appear on the root level when compiled.
+ *
+ * Blocks are made up of props and children.
+ *
+ * Props are property instructions, array tuples which describe an action
+ * to be taken, eg. write a property, set a variable, mixin a block.
+ *
+ * The children of a block are just all the blocks that are defined within.
+ * This is used to look up mixins when performing a mixin.
+ *
+ * Compiling the block involves pushing a fresh environment on the stack,
+ * and iterating through the props, compiling each one.
+ *
+ * See lessc::compileProp()
+ *
+ */
+ protected function compileBlock($block) {
+ switch ($block->type) {
+ case "root":
+ $this->compileRoot($block);
+ break;
+ case null:
+ $this->compileCSSBlock($block);
+ break;
+ case "media":
+ $this->compileMedia($block);
+ break;
+ case "directive":
+ $name = "@" . $block->name;
+ if (!empty($block->value)) {
+ $name .= " " . $this->compileValue($this->reduce($block->value));
+ }
+
+ $this->compileNestedBlock($block, array($name));
+ break;
+ default:
+ $this->throwError("unknown block type: $block->type\n");
+ }
+ }
+
+ protected function compileCSSBlock($block) {
+ $env = $this->pushEnv();
+
+ $selectors = $this->compileSelectors($block->tags);
+ $env->selectors = $this->multiplySelectors($selectors);
+ $out = $this->makeOutputBlock(null, $env->selectors);
+
+ $this->scope->children[] = $out;
+ $this->compileProps($block, $out);
+
+ $block->scope = $env; // mixins carry scope with them!
+ $this->popEnv();
+ }
+
+ protected function compileMedia($media) {
+ $env = $this->pushEnv($media);
+ $parentScope = $this->mediaParent($this->scope);
+
+ $query = $this->compileMediaQuery($this->multiplyMedia($env));
+
+ $this->scope = $this->makeOutputBlock($media->type, array($query));
+ $parentScope->children[] = $this->scope;
+
+ $this->compileProps($media, $this->scope);
+
+ if (count($this->scope->lines) > 0) {
+ $orphanSelelectors = $this->findClosestSelectors();
+ if (!is_null($orphanSelelectors)) {
+ $orphan = $this->makeOutputBlock(null, $orphanSelelectors);
+ $orphan->lines = $this->scope->lines;
+ array_unshift($this->scope->children, $orphan);
+ $this->scope->lines = array();
+ }
+ }
+
+ $this->scope = $this->scope->parent;
+ $this->popEnv();
+ }
+
+ protected function mediaParent($scope) {
+ while (!empty($scope->parent)) {
+ if (!empty($scope->type) && $scope->type != "media") {
+ break;
+ }
+ $scope = $scope->parent;
+ }
+
+ return $scope;
+ }
+
+ protected function compileNestedBlock($block, $selectors) {
+ $this->pushEnv($block);
+ $this->scope = $this->makeOutputBlock($block->type, $selectors);
+ $this->scope->parent->children[] = $this->scope;
+
+ $this->compileProps($block, $this->scope);
+
+ $this->scope = $this->scope->parent;
+ $this->popEnv();
+ }
+
+ protected function compileRoot($root) {
+ $this->pushEnv();
+ $this->scope = $this->makeOutputBlock($root->type);
+ $this->compileProps($root, $this->scope);
+ $this->popEnv();
+ }
+
+ protected function compileProps($block, $out) {
+ foreach ($this->sortProps($block->props) as $prop) {
+ $this->compileProp($prop, $block, $out);
+ }
+ $out->lines = $this->deduplicate($out->lines);
+ }
+
+ /**
+ * Deduplicate lines in a block. Comments are not deduplicated. If a
+ * duplicate rule is detected, the comments immediately preceding each
+ * occurence are consolidated.
+ */
+ protected function deduplicate($lines) {
+ $unique = array();
+ $comments = array();
+
+ foreach($lines as $line) {
+ if (strpos($line, '/*') === 0) {
+ $comments[] = $line;
+ continue;
+ }
+ if (!in_array($line, $unique)) {
+ $unique[] = $line;
+ }
+ array_splice($unique, array_search($line, $unique), 0, $comments);
+ $comments = array();
+ }
+ return array_merge($unique, $comments);
+ }
+
+ protected function sortProps($props, $split = false) {
+ $vars = array();
+ $imports = array();
+ $other = array();
+ $stack = array();
+
+ foreach ($props as $prop) {
+ switch ($prop[0]) {
+ case "comment":
+ $stack[] = $prop;
+ break;
+ case "assign":
+ $stack[] = $prop;
+ if (isset($prop[1][0]) && $prop[1][0] == $this->vPrefix) {
+ $vars = array_merge($vars, $stack);
+ } else {
+ $other = array_merge($other, $stack);
+ }
+ $stack = array();
+ break;
+ case "import":
+ $id = self::$nextImportId++;
+ $prop[] = $id;
+ $stack[] = $prop;
+ $imports = array_merge($imports, $stack);
+ $other[] = array("import_mixin", $id);
+ $stack = array();
+ break;
+ default:
+ $stack[] = $prop;
+ $other = array_merge($other, $stack);
+ $stack = array();
+ break;
+ }
+ }
+ $other = array_merge($other, $stack);
+
+ if ($split) {
+ return array(array_merge($imports, $vars), $other);
+ } else {
+ return array_merge($imports, $vars, $other);
+ }
+ }
+
+ protected function compileMediaQuery($queries) {
+ $compiledQueries = array();
+ foreach ($queries as $query) {
+ $parts = array();
+ foreach ($query as $q) {
+ switch ($q[0]) {
+ case "mediaType":
+ $parts[] = implode(" ", array_slice($q, 1));
+ break;
+ case "mediaExp":
+ if (isset($q[2])) {
+ $parts[] = "($q[1]: " .
+ $this->compileValue($this->reduce($q[2])) . ")";
+ } else {
+ $parts[] = "($q[1])";
+ }
+ break;
+ case "variable":
+ $parts[] = $this->compileValue($this->reduce($q));
+ break;
+ }
+ }
+
+ if (count($parts) > 0) {
+ $compiledQueries[] = implode(" and ", $parts);
+ }
+ }
+
+ $out = "@media";
+ if (!empty($parts)) {
+ $out .= " " .
+ implode($this->formatter->selectorSeparator, $compiledQueries);
+ }
+ return $out;
+ }
+
+ protected function multiplyMedia($env, $childQueries = null) {
+ if (is_null($env) ||
+ !empty($env->block->type) && $env->block->type != "media")
+ {
+ return $childQueries;
+ }
+
+ // plain old block, skip
+ if (empty($env->block->type)) {
+ return $this->multiplyMedia($env->parent, $childQueries);
+ }
+
+ $out = array();
+ $queries = $env->block->queries;
+ if (is_null($childQueries)) {
+ $out = $queries;
+ } else {
+ foreach ($queries as $parent) {
+ foreach ($childQueries as $child) {
+ $out[] = array_merge($parent, $child);
+ }
+ }
+ }
+
+ return $this->multiplyMedia($env->parent, $out);
+ }
+
+ protected function expandParentSelectors(&$tag, $replace) {
+ $parts = explode("$&$", $tag);
+ $count = 0;
+ foreach ($parts as &$part) {
+ $part = str_replace($this->parentSelector, $replace, $part, $c);
+ $count += $c;
+ }
+ $tag = implode($this->parentSelector, $parts);
+ return $count;
+ }
+
+ protected function findClosestSelectors() {
+ $env = $this->env;
+ $selectors = null;
+ while ($env !== null) {
+ if (isset($env->selectors)) {
+ $selectors = $env->selectors;
+ break;
+ }
+ $env = $env->parent;
+ }
+
+ return $selectors;
+ }
+
+
+ // multiply $selectors against the nearest selectors in env
+ protected function multiplySelectors($selectors) {
+ // find parent selectors
+
+ $parentSelectors = $this->findClosestSelectors();
+ if (is_null($parentSelectors)) {
+ // kill parent reference in top level selector
+ foreach ($selectors as &$s) {
+ $this->expandParentSelectors($s, "");
+ }
+
+ return $selectors;
+ }
+
+ $out = array();
+ foreach ($parentSelectors as $parent) {
+ foreach ($selectors as $child) {
+ $count = $this->expandParentSelectors($child, $parent);
+
+ // don't prepend the parent tag if & was used
+ if ($count > 0) {
+ $out[] = trim($child);
+ } else {
+ $out[] = trim($parent . ' ' . $child);
+ }
+ }
+ }
+
+ return $out;
+ }
+
+ // reduces selector expressions
+ protected function compileSelectors($selectors) {
+ $out = array();
+
+ foreach ($selectors as $s) {
+ if (is_array($s)) {
+ list(, $value) = $s;
+ $out[] = trim($this->compileValue($this->reduce($value)));
+ } else {
+ $out[] = $s;
+ }
+ }
+
+ return $out;
+ }
+
+ protected function eq($left, $right) {
+ return $left == $right;
+ }
+
+ protected function patternMatch($block, $orderedArgs, $keywordArgs) {
+ // match the guards if it has them
+ // any one of the groups must have all its guards pass for a match
+ if (!empty($block->guards)) {
+ $groupPassed = false;
+ foreach ($block->guards as $guardGroup) {
+ foreach ($guardGroup as $guard) {
+ $this->pushEnv();
+ $this->zipSetArgs($block->args, $orderedArgs, $keywordArgs);
+
+ $negate = false;
+ if ($guard[0] == "negate") {
+ $guard = $guard[1];
+ $negate = true;
+ }
+
+ $passed = $this->reduce($guard) == self::$TRUE;
+ if ($negate) $passed = !$passed;
+
+ $this->popEnv();
+
+ if ($passed) {
+ $groupPassed = true;
+ } else {
+ $groupPassed = false;
+ break;
+ }
+ }
+
+ if ($groupPassed) break;
+ }
+
+ if (!$groupPassed) {
+ return false;
+ }
+ }
+
+ if (empty($block->args)) {
+ return $block->isVararg || empty($orderedArgs) && empty($keywordArgs);
+ }
+
+ $remainingArgs = $block->args;
+ if ($keywordArgs) {
+ $remainingArgs = array();
+ foreach ($block->args as $arg) {
+ if ($arg[0] == "arg" && isset($keywordArgs[$arg[1]])) {
+ continue;
+ }
+
+ $remainingArgs[] = $arg;
+ }
+ }
+
+ $i = -1; // no args
+ // try to match by arity or by argument literal
+ foreach ($remainingArgs as $i => $arg) {
+ switch ($arg[0]) {
+ case "lit":
+ if (empty($orderedArgs[$i]) || !$this->eq($arg[1], $orderedArgs[$i])) {
+ return false;
+ }
+ break;
+ case "arg":
+ // no arg and no default value
+ if (!isset($orderedArgs[$i]) && !isset($arg[2])) {
+ return false;
+ }
+ break;
+ case "rest":
+ $i--; // rest can be empty
+ break 2;
+ }
+ }
+
+ if ($block->isVararg) {
+ return true; // not having enough is handled above
+ } else {
+ $numMatched = $i + 1;
+ // greater than becuase default values always match
+ return $numMatched >= count($orderedArgs);
+ }
+ }
+
+ protected function patternMatchAll($blocks, $orderedArgs, $keywordArgs, $skip=array()) {
+ $matches = null;
+ foreach ($blocks as $block) {
+ // skip seen blocks that don't have arguments
+ if (isset($skip[$block->id]) && !isset($block->args)) {
+ continue;
+ }
+
+ if ($this->patternMatch($block, $orderedArgs, $keywordArgs)) {
+ $matches[] = $block;
+ }
+ }
+
+ return $matches;
+ }
+
+ // attempt to find blocks matched by path and args
+ protected function findBlocks($searchIn, $path, $orderedArgs, $keywordArgs, $seen=array()) {
+ if ($searchIn == null) return null;
+ if (isset($seen[$searchIn->id])) return null;
+ $seen[$searchIn->id] = true;
+
+ $name = $path[0];
+
+ if (isset($searchIn->children[$name])) {
+ $blocks = $searchIn->children[$name];
+ if (count($path) == 1) {
+ $matches = $this->patternMatchAll($blocks, $orderedArgs, $keywordArgs, $seen);
+ if (!empty($matches)) {
+ // This will return all blocks that match in the closest
+ // scope that has any matching block, like lessjs
+ return $matches;
+ }
+ } else {
+ $matches = array();
+ foreach ($blocks as $subBlock) {
+ $subMatches = $this->findBlocks($subBlock,
+ array_slice($path, 1), $orderedArgs, $keywordArgs, $seen);
+
+ if (!is_null($subMatches)) {
+ foreach ($subMatches as $sm) {
+ $matches[] = $sm;
+ }
+ }
+ }
+
+ return count($matches) > 0 ? $matches : null;
+ }
+ }
+ if ($searchIn->parent === $searchIn) return null;
+ return $this->findBlocks($searchIn->parent, $path, $orderedArgs, $keywordArgs, $seen);
+ }
+
+ // sets all argument names in $args to either the default value
+ // or the one passed in through $values
+ protected function zipSetArgs($args, $orderedValues, $keywordValues) {
+ $assignedValues = array();
+
+ $i = 0;
+ foreach ($args as $a) {
+ if ($a[0] == "arg") {
+ if (isset($keywordValues[$a[1]])) {
+ // has keyword arg
+ $value = $keywordValues[$a[1]];
+ } elseif (isset($orderedValues[$i])) {
+ // has ordered arg
+ $value = $orderedValues[$i];
+ $i++;
+ } elseif (isset($a[2])) {
+ // has default value
+ $value = $a[2];
+ } else {
+ $this->throwError("Failed to assign arg " . $a[1]);
+ $value = null; // :(
+ }
+
+ $value = $this->reduce($value);
+ $this->set($a[1], $value);
+ $assignedValues[] = $value;
+ } else {
+ // a lit
+ $i++;
+ }
+ }
+
+ // check for a rest
+ $last = end($args);
+ if ($last[0] == "rest") {
+ $rest = array_slice($orderedValues, count($args) - 1);
+ $this->set($last[1], $this->reduce(array("list", " ", $rest)));
+ }
+
+ // wow is this the only true use of PHP's + operator for arrays?
+ $this->env->arguments = $assignedValues + $orderedValues;
+ }
+
+ // compile a prop and update $lines or $blocks appropriately
+ protected function compileProp($prop, $block, $out) {
+ // set error position context
+ $this->sourceLoc = isset($prop[-1]) ? $prop[-1] : -1;
+
+ switch ($prop[0]) {
+ case 'assign':
+ list(, $name, $value) = $prop;
+ if ($name[0] == $this->vPrefix) {
+ $this->set($name, $value);
+ } else {
+ $out->lines[] = $this->formatter->property($name,
+ $this->compileValue($this->reduce($value)));
+ }
+ break;
+ case 'block':
+ list(, $child) = $prop;
+ $this->compileBlock($child);
+ break;
+ case 'mixin':
+ list(, $path, $args, $suffix) = $prop;
+
+ $orderedArgs = array();
+ $keywordArgs = array();
+ foreach ((array)$args as $arg) {
+ $argval = null;
+ switch ($arg[0]) {
+ case "arg":
+ if (!isset($arg[2])) {
+ $orderedArgs[] = $this->reduce(array("variable", $arg[1]));
+ } else {
+ $keywordArgs[$arg[1]] = $this->reduce($arg[2]);
+ }
+ break;
+
+ case "lit":
+ $orderedArgs[] = $this->reduce($arg[1]);
+ break;
+ default:
+ $this->throwError("Unknown arg type: " . $arg[0]);
+ }
+ }
+
+ $mixins = $this->findBlocks($block, $path, $orderedArgs, $keywordArgs);
+
+ if ($mixins === null) {
+ $this->throwError("{$prop[1][0]} is undefined");
+ }
+
+ foreach ($mixins as $mixin) {
+ if ($mixin === $block && !$orderedArgs) {
+ continue;
+ }
+
+ $haveScope = false;
+ if (isset($mixin->parent->scope)) {
+ $haveScope = true;
+ $mixinParentEnv = $this->pushEnv();
+ $mixinParentEnv->storeParent = $mixin->parent->scope;
+ }
+
+ $haveArgs = false;
+ if (isset($mixin->args)) {
+ $haveArgs = true;
+ $this->pushEnv();
+ $this->zipSetArgs($mixin->args, $orderedArgs, $keywordArgs);
+ }
+
+ $oldParent = $mixin->parent;
+ if ($mixin != $block) $mixin->parent = $block;
+
+ foreach ($this->sortProps($mixin->props) as $subProp) {
+ if ($suffix !== null &&
+ $subProp[0] == "assign" &&
+ is_string($subProp[1]) &&
+ $subProp[1]{0} != $this->vPrefix)
+ {
+ $subProp[2] = array(
+ 'list', ' ',
+ array($subProp[2], array('keyword', $suffix))
+ );
+ }
+
+ $this->compileProp($subProp, $mixin, $out);
+ }
+
+ $mixin->parent = $oldParent;
+
+ if ($haveArgs) $this->popEnv();
+ if ($haveScope) $this->popEnv();
+ }
+
+ break;
+ case 'raw':
+ $out->lines[] = $prop[1];
+ break;
+ case "directive":
+ list(, $name, $value) = $prop;
+ $out->lines[] = "@$name " . $this->compileValue($this->reduce($value)).';';
+ break;
+ case "comment":
+ $out->lines[] = $prop[1];
+ break;
+ case "import";
+ list(, $importPath, $importId) = $prop;
+ $importPath = $this->reduce($importPath);
+
+ if (!isset($this->env->imports)) {
+ $this->env->imports = array();
+ }
+
+ $result = $this->tryImport($importPath, $block, $out);
+
+ $this->env->imports[$importId] = $result === false ?
+ array(false, "@import " . $this->compileValue($importPath).";") :
+ $result;
+
+ break;
+ case "import_mixin":
+ list(,$importId) = $prop;
+ $import = $this->env->imports[$importId];
+ if ($import[0] === false) {
+ if (isset($import[1])) {
+ $out->lines[] = $import[1];
+ }
+ } else {
+ list(, $bottom, $parser, $importDir) = $import;
+ $this->compileImportedProps($bottom, $block, $out, $parser, $importDir);
+ }
+
+ break;
+ default:
+ $this->throwError("unknown op: {$prop[0]}\n");
+ }
+ }
+
+
+ /**
+ * Compiles a primitive value into a CSS property value.
+ *
+ * Values in lessphp are typed by being wrapped in arrays, their format is
+ * typically:
+ *
+ * array(type, contents [, additional_contents]*)
+ *
+ * The input is expected to be reduced. This function will not work on
+ * things like expressions and variables.
+ */
+ public function compileValue($value) {
+ switch ($value[0]) {
+ case 'list':
+ // [1] - delimiter
+ // [2] - array of values
+ return implode($value[1], array_map(array($this, 'compileValue'), $value[2]));
+ case 'raw_color':
+ if (!empty($this->formatter->compressColors)) {
+ return $this->compileValue($this->coerceColor($value));
+ }
+ return $value[1];
+ case 'keyword':
+ // [1] - the keyword
+ return $value[1];
+ case 'number':
+ list(, $num, $unit) = $value;
+ // [1] - the number
+ // [2] - the unit
+ if ($this->numberPrecision !== null) {
+ $num = round($num, $this->numberPrecision);
+ }
+ return $num . $unit;
+ case 'string':
+ // [1] - contents of string (includes quotes)
+ list(, $delim, $content) = $value;
+ foreach ($content as &$part) {
+ if (is_array($part)) {
+ $part = $this->compileValue($part);
+ }
+ }
+ return $delim . implode($content) . $delim;
+ case 'color':
+ // [1] - red component (either number or a %)
+ // [2] - green component
+ // [3] - blue component
+ // [4] - optional alpha component
+ list(, $r, $g, $b) = $value;
+ $r = round($r);
+ $g = round($g);
+ $b = round($b);
+
+ if (count($value) == 5 && $value[4] != 1) { // rgba
+ return 'rgba('.$r.','.$g.','.$b.','.$value[4].')';
+ }
+
+ $h = sprintf("#%02x%02x%02x", $r, $g, $b);
+
+ if (!empty($this->formatter->compressColors)) {
+ // Converting hex color to short notation (e.g. #003399 to #039)
+ if ($h[1] === $h[2] && $h[3] === $h[4] && $h[5] === $h[6]) {
+ $h = '#' . $h[1] . $h[3] . $h[5];
+ }
+ }
+
+ return $h;
+
+ case 'function':
+ list(, $name, $args) = $value;
+ return $name.'('.$this->compileValue($args).')';
+ default: // assumed to be unit
+ $this->throwError("unknown value type: $value[0]");
+ }
+ }
+
+ protected function lib_pow($args) {
+ list($base, $exp) = $this->assertArgs($args, 2, "pow");
+ return pow($this->assertNumber($base), $this->assertNumber($exp));
+ }
+
+ protected function lib_pi() {
+ return pi();
+ }
+
+ protected function lib_mod($args) {
+ list($a, $b) = $this->assertArgs($args, 2, "mod");
+ return $this->assertNumber($a) % $this->assertNumber($b);
+ }
+
+ protected function lib_tan($num) {
+ return tan($this->assertNumber($num));
+ }
+
+ protected function lib_sin($num) {
+ return sin($this->assertNumber($num));
+ }
+
+ protected function lib_cos($num) {
+ return cos($this->assertNumber($num));
+ }
+
+ protected function lib_atan($num) {
+ $num = atan($this->assertNumber($num));
+ return array("number", $num, "rad");
+ }
+
+ protected function lib_asin($num) {
+ $num = asin($this->assertNumber($num));
+ return array("number", $num, "rad");
+ }
+
+ protected function lib_acos($num) {
+ $num = acos($this->assertNumber($num));
+ return array("number", $num, "rad");
+ }
+
+ protected function lib_sqrt($num) {
+ return sqrt($this->assertNumber($num));
+ }
+
+ protected function lib_extract($value) {
+ list($list, $idx) = $this->assertArgs($value, 2, "extract");
+ $idx = $this->assertNumber($idx);
+ // 1 indexed
+ if ($list[0] == "list" && isset($list[2][$idx - 1])) {
+ return $list[2][$idx - 1];
+ }
+ }
+
+ protected function lib_isnumber($value) {
+ return $this->toBool($value[0] == "number");
+ }
+
+ protected function lib_isstring($value) {
+ return $this->toBool($value[0] == "string");
+ }
+
+ protected function lib_iscolor($value) {
+ return $this->toBool($this->coerceColor($value));
+ }
+
+ protected function lib_iskeyword($value) {
+ return $this->toBool($value[0] == "keyword");
+ }
+
+ protected function lib_ispixel($value) {
+ return $this->toBool($value[0] == "number" && $value[2] == "px");
+ }
+
+ protected function lib_ispercentage($value) {
+ return $this->toBool($value[0] == "number" && $value[2] == "%");
+ }
+
+ protected function lib_isem($value) {
+ return $this->toBool($value[0] == "number" && $value[2] == "em");
+ }
+
+ protected function lib_isrem($value) {
+ return $this->toBool($value[0] == "number" && $value[2] == "rem");
+ }
+
+ protected function lib_rgbahex($color) {
+ $color = $this->coerceColor($color);
+ if (is_null($color))
+ $this->throwError("color expected for rgbahex");
+
+ return sprintf("#%02x%02x%02x%02x",
+ isset($color[4]) ? $color[4]*255 : 255,
+ $color[1],$color[2], $color[3]);
+ }
+
+ protected function lib_argb($color){
+ return $this->lib_rgbahex($color);
+ }
+
+ /**
+ * Given an url, decide whether to output a regular link or the base64-encoded contents of the file
+ *
+ * @param array $value either an argument list (two strings) or a single string
+ * @return string formatted url(), either as a link or base64-encoded
+ */
+ protected function lib_data_uri($value) {
+ $mime = ($value[0] === 'list') ? $value[2][0][2] : null;
+ $url = ($value[0] === 'list') ? $value[2][1][2][0] : $value[2][0];
+
+ $fullpath = $this->findImport($url);
+
+ if($fullpath && ($fsize = filesize($fullpath)) !== false) {
+ // IE8 can't handle data uris larger than 32KB
+ if($fsize/1024 < 32) {
+ if(is_null($mime)) {
+ if(class_exists('finfo')) { // php 5.3+
+ $finfo = new finfo(FILEINFO_MIME);
+ $mime = explode('; ', $finfo->file($fullpath));
+ $mime = $mime[0];
+ } elseif(function_exists('mime_content_type')) { // PHP 5.2
+ $mime = mime_content_type($fullpath);
+ }
+ }
+
+ if(!is_null($mime)) // fallback if the mime type is still unknown
+ $url = sprintf('data:%s;base64,%s', $mime, base64_encode(file_get_contents($fullpath)));
+ }
+ }
+
+ return 'url("'.$url.'")';
+ }
+
+ // utility func to unquote a string
+ protected function lib_e($arg) {
+ switch ($arg[0]) {
+ case "list":
+ $items = $arg[2];
+ if (isset($items[0])) {
+ return $this->lib_e($items[0]);
+ }
+ $this->throwError("unrecognised input");
+ case "string":
+ $arg[1] = "";
+ return $arg;
+ case "keyword":
+ return $arg;
+ default:
+ return array("keyword", $this->compileValue($arg));
+ }
+ }
+
+ protected function lib__sprintf($args) {
+ if ($args[0] != "list") return $args;
+ $values = $args[2];
+ $string = array_shift($values);
+ $template = $this->compileValue($this->lib_e($string));
+
+ $i = 0;
+ if (preg_match_all('/%[dsa]/', $template, $m)) {
+ foreach ($m[0] as $match) {
+ $val = isset($values[$i]) ?
+ $this->reduce($values[$i]) : array('keyword', '');
+
+ // lessjs compat, renders fully expanded color, not raw color
+ if ($color = $this->coerceColor($val)) {
+ $val = $color;
+ }
+
+ $i++;
+ $rep = $this->compileValue($this->lib_e($val));
+ $template = preg_replace('/'.self::preg_quote($match).'/',
+ $rep, $template, 1);
+ }
+ }
+
+ $d = $string[0] == "string" ? $string[1] : '"';
+ return array("string", $d, array($template));
+ }
+
+ protected function lib_floor($arg) {
+ $value = $this->assertNumber($arg);
+ return array("number", floor($value), $arg[2]);
+ }
+
+ protected function lib_ceil($arg) {
+ $value = $this->assertNumber($arg);
+ return array("number", ceil($value), $arg[2]);
+ }
+
+ protected function lib_round($arg) {
+ if($arg[0] != "list") {
+ $value = $this->assertNumber($arg);
+ return array("number", round($value), $arg[2]);
+ } else {
+ $value = $this->assertNumber($arg[2][0]);
+ $precision = $this->assertNumber($arg[2][1]);
+ return array("number", round($value, $precision), $arg[2][0][2]);
+ }
+ }
+
+ protected function lib_unit($arg) {
+ if ($arg[0] == "list") {
+ list($number, $newUnit) = $arg[2];
+ return array("number", $this->assertNumber($number),
+ $this->compileValue($this->lib_e($newUnit)));
+ } else {
+ return array("number", $this->assertNumber($arg), "");
+ }
+ }
+
+ /**
+ * Helper function to get arguments for color manipulation functions.
+ * takes a list that contains a color like thing and a percentage
+ */
+ public function colorArgs($args) {
+ if ($args[0] != 'list' || count($args[2]) < 2) {
+ return array(array('color', 0, 0, 0), 0);
+ }
+ list($color, $delta) = $args[2];
+ $color = $this->assertColor($color);
+ $delta = floatval($delta[1]);
+
+ return array($color, $delta);
+ }
+
+ protected function lib_darken($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+ $hsl[3] = $this->clamp($hsl[3] - $delta, 100);
+ return $this->toRGB($hsl);
+ }
+
+ protected function lib_lighten($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+ $hsl[3] = $this->clamp($hsl[3] + $delta, 100);
+ return $this->toRGB($hsl);
+ }
+
+ protected function lib_saturate($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+ $hsl[2] = $this->clamp($hsl[2] + $delta, 100);
+ return $this->toRGB($hsl);
+ }
+
+ protected function lib_desaturate($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+ $hsl[2] = $this->clamp($hsl[2] - $delta, 100);
+ return $this->toRGB($hsl);
+ }
+
+ protected function lib_spin($args) {
+ list($color, $delta) = $this->colorArgs($args);
+
+ $hsl = $this->toHSL($color);
+
+ $hsl[1] = $hsl[1] + $delta % 360;
+ if ($hsl[1] < 0) $hsl[1] += 360;
+
+ return $this->toRGB($hsl);
+ }
+
+ protected function lib_fadeout($args) {
+ list($color, $delta) = $this->colorArgs($args);
+ $color[4] = $this->clamp((isset($color[4]) ? $color[4] : 1) - $delta/100);
+ return $color;
+ }
+
+ protected function lib_fadein($args) {
+ list($color, $delta) = $this->colorArgs($args);
+ $color[4] = $this->clamp((isset($color[4]) ? $color[4] : 1) + $delta/100);
+ return $color;
+ }
+
+ protected function lib_hue($color) {
+ $hsl = $this->toHSL($this->assertColor($color));
+ return round($hsl[1]);
+ }
+
+ protected function lib_saturation($color) {
+ $hsl = $this->toHSL($this->assertColor($color));
+ return round($hsl[2]);
+ }
+
+ protected function lib_lightness($color) {
+ $hsl = $this->toHSL($this->assertColor($color));
+ return round($hsl[3]);
+ }
+
+ // get the alpha of a color
+ // defaults to 1 for non-colors or colors without an alpha
+ protected function lib_alpha($value) {
+ if (!is_null($color = $this->coerceColor($value))) {
+ return isset($color[4]) ? $color[4] : 1;
+ }
+ }
+
+ // set the alpha of the color
+ protected function lib_fade($args) {
+ list($color, $alpha) = $this->colorArgs($args);
+ $color[4] = $this->clamp($alpha / 100.0);
+ return $color;
+ }
+
+ protected function lib_percentage($arg) {
+ $num = $this->assertNumber($arg);
+ return array("number", $num*100, "%");
+ }
+
+ // mixes two colors by weight
+ // mix(@color1, @color2, [@weight: 50%]);
+ // http://sass-lang.com/docs/yardoc/Sass/Script/Functions.html#mix-instance_method
+ protected function lib_mix($args) {
+ if ($args[0] != "list" || count($args[2]) < 2)
+ $this->throwError("mix expects (color1, color2, weight)");
+
+ list($first, $second) = $args[2];
+ $first = $this->assertColor($first);
+ $second = $this->assertColor($second);
+
+ $first_a = $this->lib_alpha($first);
+ $second_a = $this->lib_alpha($second);
+
+ if (isset($args[2][2])) {
+ $weight = $args[2][2][1] / 100.0;
+ } else {
+ $weight = 0.5;
+ }
+
+ $w = $weight * 2 - 1;
+ $a = $first_a - $second_a;
+
+ $w1 = (($w * $a == -1 ? $w : ($w + $a)/(1 + $w * $a)) + 1) / 2.0;
+ $w2 = 1.0 - $w1;
+
+ $new = array('color',
+ $w1 * $first[1] + $w2 * $second[1],
+ $w1 * $first[2] + $w2 * $second[2],
+ $w1 * $first[3] + $w2 * $second[3],
+ );
+
+ if ($first_a != 1.0 || $second_a != 1.0) {
+ $new[] = $first_a * $weight + $second_a * ($weight - 1);
+ }
+
+ return $this->fixColor($new);
+ }
+
+ protected function lib_contrast($args) {
+ $darkColor = array('color', 0, 0, 0);
+ $lightColor = array('color', 255, 255, 255);
+ $threshold = 0.43;
+
+ if ( $args[0] == 'list' ) {
+ $inputColor = ( isset($args[2][0]) ) ? $this->assertColor($args[2][0]) : $lightColor;
+ $darkColor = ( isset($args[2][1]) ) ? $this->assertColor($args[2][1]) : $darkColor;
+ $lightColor = ( isset($args[2][2]) ) ? $this->assertColor($args[2][2]) : $lightColor;
+ $threshold = ( isset($args[2][3]) ) ? $this->assertNumber($args[2][3]) : $threshold;
+ }
+ else {
+ $inputColor = $this->assertColor($args);
+ }
+
+ $inputColor = $this->coerceColor($inputColor);
+ $darkColor = $this->coerceColor($darkColor);
+ $lightColor = $this->coerceColor($lightColor);
+
+ //Figure out which is actually light and dark!
+ if ( $this->lib_luma($darkColor) > $this->lib_luma($lightColor) ) {
+ $t = $lightColor;
+ $lightColor = $darkColor;
+ $darkColor = $t;
+ }
+
+ $inputColor_alpha = $this->lib_alpha($inputColor);
+ if ( ( $this->lib_luma($inputColor) * $inputColor_alpha) < $threshold) {
+ return $lightColor;
+ }
+ return $darkColor;
+ }
+
+ protected function lib_luma($color) {
+ $color = $this->coerceColor($color);
+ return (0.2126 * $color[0] / 255) + (0.7152 * $color[1] / 255) + (0.0722 * $color[2] / 255);
+ }
+
+
+ public function assertColor($value, $error = "expected color value") {
+ $color = $this->coerceColor($value);
+ if (is_null($color)) $this->throwError($error);
+ return $color;
+ }
+
+ public function assertNumber($value, $error = "expecting number") {
+ if ($value[0] == "number") return $value[1];
+ $this->throwError($error);
+ }
+
+ public function assertArgs($value, $expectedArgs, $name="") {
+ if ($expectedArgs == 1) {
+ return $value;
+ } else {
+ if ($value[0] !== "list" || $value[1] != ",") $this->throwError("expecting list");
+ $values = $value[2];
+ $numValues = count($values);
+ if ($expectedArgs != $numValues) {
+ if ($name) {
+ $name = $name . ": ";
+ }
+
+ $this->throwError("${name}expecting $expectedArgs arguments, got $numValues");
+ }
+
+ return $values;
+ }
+ }
+
+ protected function toHSL($color) {
+ if ($color[0] == 'hsl') return $color;
+
+ $r = $color[1] / 255;
+ $g = $color[2] / 255;
+ $b = $color[3] / 255;
+
+ $min = min($r, $g, $b);
+ $max = max($r, $g, $b);
+
+ $L = ($min + $max) / 2;
+ if ($min == $max) {
+ $S = $H = 0;
+ } else {
+ if ($L < 0.5)
+ $S = ($max - $min)/($max + $min);
+ else
+ $S = ($max - $min)/(2.0 - $max - $min);
+
+ if ($r == $max) $H = ($g - $b)/($max - $min);
+ elseif ($g == $max) $H = 2.0 + ($b - $r)/($max - $min);
+ elseif ($b == $max) $H = 4.0 + ($r - $g)/($max - $min);
+
+ }
+
+ $out = array('hsl',
+ ($H < 0 ? $H + 6 : $H)*60,
+ $S*100,
+ $L*100,
+ );
+
+ if (count($color) > 4) $out[] = $color[4]; // copy alpha
+ return $out;
+ }
+
+ protected function toRGB_helper($comp, $temp1, $temp2) {
+ if ($comp < 0) $comp += 1.0;
+ elseif ($comp > 1) $comp -= 1.0;
+
+ if (6 * $comp < 1) return $temp1 + ($temp2 - $temp1) * 6 * $comp;
+ if (2 * $comp < 1) return $temp2;
+ if (3 * $comp < 2) return $temp1 + ($temp2 - $temp1)*((2/3) - $comp) * 6;
+
+ return $temp1;
+ }
+
+ /**
+ * Converts a hsl array into a color value in rgb.
+ * Expects H to be in range of 0 to 360, S and L in 0 to 100
+ */
+ protected function toRGB($color) {
+ if ($color[0] == 'color') return $color;
+
+ $H = $color[1] / 360;
+ $S = $color[2] / 100;
+ $L = $color[3] / 100;
+
+ if ($S == 0) {
+ $r = $g = $b = $L;
+ } else {
+ $temp2 = $L < 0.5 ?
+ $L*(1.0 + $S) :
+ $L + $S - $L * $S;
+
+ $temp1 = 2.0 * $L - $temp2;
+
+ $r = $this->toRGB_helper($H + 1/3, $temp1, $temp2);
+ $g = $this->toRGB_helper($H, $temp1, $temp2);
+ $b = $this->toRGB_helper($H - 1/3, $temp1, $temp2);
+ }
+
+ // $out = array('color', round($r*255), round($g*255), round($b*255));
+ $out = array('color', $r*255, $g*255, $b*255);
+ if (count($color) > 4) $out[] = $color[4]; // copy alpha
+ return $out;
+ }
+
+ protected function clamp($v, $max = 1, $min = 0) {
+ return min($max, max($min, $v));
+ }
+
+ /**
+ * Convert the rgb, rgba, hsl color literals of function type
+ * as returned by the parser into values of color type.
+ */
+ protected function funcToColor($func) {
+ $fname = $func[1];
+ if ($func[2][0] != 'list') return false; // need a list of arguments
+ $rawComponents = $func[2][2];
+
+ if ($fname == 'hsl' || $fname == 'hsla') {
+ $hsl = array('hsl');
+ $i = 0;
+ foreach ($rawComponents as $c) {
+ $val = $this->reduce($c);
+ $val = isset($val[1]) ? floatval($val[1]) : 0;
+
+ if ($i == 0) $clamp = 360;
+ elseif ($i < 3) $clamp = 100;
+ else $clamp = 1;
+
+ $hsl[] = $this->clamp($val, $clamp);
+ $i++;
+ }
+
+ while (count($hsl) < 4) $hsl[] = 0;
+ return $this->toRGB($hsl);
+
+ } elseif ($fname == 'rgb' || $fname == 'rgba') {
+ $components = array();
+ $i = 1;
+ foreach ($rawComponents as $c) {
+ $c = $this->reduce($c);
+ if ($i < 4) {
+ if ($c[0] == "number" && $c[2] == "%") {
+ $components[] = 255 * ($c[1] / 100);
+ } else {
+ $components[] = floatval($c[1]);
+ }
+ } elseif ($i == 4) {
+ if ($c[0] == "number" && $c[2] == "%") {
+ $components[] = 1.0 * ($c[1] / 100);
+ } else {
+ $components[] = floatval($c[1]);
+ }
+ } else break;
+
+ $i++;
+ }
+ while (count($components) < 3) $components[] = 0;
+ array_unshift($components, 'color');
+ return $this->fixColor($components);
+ }
+
+ return false;
+ }
+
+ protected function reduce($value, $forExpression = false) {
+ switch ($value[0]) {
+ case "interpolate":
+ $reduced = $this->reduce($value[1]);
+ $var = $this->compileValue($reduced);
+ $res = $this->reduce(array("variable", $this->vPrefix . $var));
+
+ if ($res[0] == "raw_color") {
+ $res = $this->coerceColor($res);
+ }
+
+ if (empty($value[2])) $res = $this->lib_e($res);
+
+ return $res;
+ case "variable":
+ $key = $value[1];
+ if (is_array($key)) {
+ $key = $this->reduce($key);
+ $key = $this->vPrefix . $this->compileValue($this->lib_e($key));
+ }
+
+ $seen =& $this->env->seenNames;
+
+ if (!empty($seen[$key])) {
+ $this->throwError("infinite loop detected: $key");
+ }
+
+ $seen[$key] = true;
+ $out = $this->reduce($this->get($key));
+ $seen[$key] = false;
+ return $out;
+ case "list":
+ foreach ($value[2] as &$item) {
+ $item = $this->reduce($item, $forExpression);
+ }
+ return $value;
+ case "expression":
+ return $this->evaluate($value);
+ case "string":
+ foreach ($value[2] as &$part) {
+ if (is_array($part)) {
+ $strip = $part[0] == "variable";
+ $part = $this->reduce($part);
+ if ($strip) $part = $this->lib_e($part);
+ }
+ }
+ return $value;
+ case "escape":
+ list(,$inner) = $value;
+ return $this->lib_e($this->reduce($inner));
+ case "function":
+ $color = $this->funcToColor($value);
+ if ($color) return $color;
+
+ list(, $name, $args) = $value;
+ if ($name == "%") $name = "_sprintf";
+
+ $f = isset($this->libFunctions[$name]) ?
+ $this->libFunctions[$name] : array($this, 'lib_'.str_replace('-', '_', $name));
+
+ if (is_callable($f)) {
+ if ($args[0] == 'list')
+ $args = self::compressList($args[2], $args[1]);
+
+ $ret = call_user_func($f, $this->reduce($args, true), $this);
+
+ if (is_null($ret)) {
+ return array("string", "", array(
+ $name, "(", $args, ")"
+ ));
+ }
+
+ // convert to a typed value if the result is a php primitive
+ if (is_numeric($ret)) $ret = array('number', $ret, "");
+ elseif (!is_array($ret)) $ret = array('keyword', $ret);
+
+ return $ret;
+ }
+
+ // plain function, reduce args
+ $value[2] = $this->reduce($value[2]);
+ return $value;
+ case "unary":
+ list(, $op, $exp) = $value;
+ $exp = $this->reduce($exp);
+
+ if ($exp[0] == "number") {
+ switch ($op) {
+ case "+":
+ return $exp;
+ case "-":
+ $exp[1] *= -1;
+ return $exp;
+ }
+ }
+ return array("string", "", array($op, $exp));
+ }
+
+ if ($forExpression) {
+ switch ($value[0]) {
+ case "keyword":
+ if ($color = $this->coerceColor($value)) {
+ return $color;
+ }
+ break;
+ case "raw_color":
+ return $this->coerceColor($value);
+ }
+ }
+
+ return $value;
+ }
+
+
+ // coerce a value for use in color operation
+ protected function coerceColor($value) {
+ switch($value[0]) {
+ case 'color': return $value;
+ case 'raw_color':
+ $c = array("color", 0, 0, 0);
+ $colorStr = substr($value[1], 1);
+ $num = hexdec($colorStr);
+ $width = strlen($colorStr) == 3 ? 16 : 256;
+
+ for ($i = 3; $i > 0; $i--) { // 3 2 1
+ $t = $num % $width;
+ $num /= $width;
+
+ $c[$i] = $t * (256/$width) + $t * floor(16/$width);
+ }
+
+ return $c;
+ case 'keyword':
+ $name = $value[1];
+ if (isset(self::$cssColors[$name])) {
+ $rgba = explode(',', self::$cssColors[$name]);
+
+ if(isset($rgba[3]))
+ return array('color', $rgba[0], $rgba[1], $rgba[2], $rgba[3]);
+
+ return array('color', $rgba[0], $rgba[1], $rgba[2]);
+ }
+ return null;
+ }
+ }
+
+ // make something string like into a string
+ protected function coerceString($value) {
+ switch ($value[0]) {
+ case "string":
+ return $value;
+ case "keyword":
+ return array("string", "", array($value[1]));
+ }
+ return null;
+ }
+
+ // turn list of length 1 into value type
+ protected function flattenList($value) {
+ if ($value[0] == "list" && count($value[2]) == 1) {
+ return $this->flattenList($value[2][0]);
+ }
+ return $value;
+ }
+
+ public function toBool($a) {
+ if ($a) return self::$TRUE;
+ else return self::$FALSE;
+ }
+
+ // evaluate an expression
+ protected function evaluate($exp) {
+ list(, $op, $left, $right, $whiteBefore, $whiteAfter) = $exp;
+
+ $left = $this->reduce($left, true);
+ $right = $this->reduce($right, true);
+
+ if ($leftColor = $this->coerceColor($left)) {
+ $left = $leftColor;
+ }
+
+ if ($rightColor = $this->coerceColor($right)) {
+ $right = $rightColor;
+ }
+
+ $ltype = $left[0];
+ $rtype = $right[0];
+
+ // operators that work on all types
+ if ($op == "and") {
+ return $this->toBool($left == self::$TRUE && $right == self::$TRUE);
+ }
+
+ if ($op == "=") {
+ return $this->toBool($this->eq($left, $right) );
+ }
+
+ if ($op == "+" && !is_null($str = $this->stringConcatenate($left, $right))) {
+ return $str;
+ }
+
+ // type based operators
+ $fname = "op_${ltype}_${rtype}";
+ if (is_callable(array($this, $fname))) {
+ $out = $this->$fname($op, $left, $right);
+ if (!is_null($out)) return $out;
+ }
+
+ // make the expression look it did before being parsed
+ $paddedOp = $op;
+ if ($whiteBefore) $paddedOp = " " . $paddedOp;
+ if ($whiteAfter) $paddedOp .= " ";
+
+ return array("string", "", array($left, $paddedOp, $right));
+ }
+
+ protected function stringConcatenate($left, $right) {
+ if ($strLeft = $this->coerceString($left)) {
+ if ($right[0] == "string") {
+ $right[1] = "";
+ }
+ $strLeft[2][] = $right;
+ return $strLeft;
+ }
+
+ if ($strRight = $this->coerceString($right)) {
+ array_unshift($strRight[2], $left);
+ return $strRight;
+ }
+ }
+
+
+ // make sure a color's components don't go out of bounds
+ protected function fixColor($c) {
+ foreach (range(1, 3) as $i) {
+ if ($c[$i] < 0) $c[$i] = 0;
+ if ($c[$i] > 255) $c[$i] = 255;
+ }
+
+ return $c;
+ }
+
+ protected function op_number_color($op, $lft, $rgt) {
+ if ($op == '+' || $op == '*') {
+ return $this->op_color_number($op, $rgt, $lft);
+ }
+ }
+
+ protected function op_color_number($op, $lft, $rgt) {
+ if ($rgt[0] == '%') $rgt[1] /= 100;
+
+ return $this->op_color_color($op, $lft,
+ array_fill(1, count($lft) - 1, $rgt[1]));
+ }
+
+ protected function op_color_color($op, $left, $right) {
+ $out = array('color');
+ $max = count($left) > count($right) ? count($left) : count($right);
+ foreach (range(1, $max - 1) as $i) {
+ $lval = isset($left[$i]) ? $left[$i] : 0;
+ $rval = isset($right[$i]) ? $right[$i] : 0;
+ switch ($op) {
+ case '+':
+ $out[] = $lval + $rval;
+ break;
+ case '-':
+ $out[] = $lval - $rval;
+ break;
+ case '*':
+ $out[] = $lval * $rval;
+ break;
+ case '%':
+ $out[] = $lval % $rval;
+ break;
+ case '/':
+ if ($rval == 0) $this->throwError("evaluate error: can't divide by zero");
+ $out[] = $lval / $rval;
+ break;
+ default:
+ $this->throwError('evaluate error: color op number failed on op '.$op);
+ }
+ }
+ return $this->fixColor($out);
+ }
+
+ function lib_red($color){
+ $color = $this->coerceColor($color);
+ if (is_null($color)) {
+ $this->throwError('color expected for red()');
+ }
+
+ return $color[1];
+ }
+
+ function lib_green($color){
+ $color = $this->coerceColor($color);
+ if (is_null($color)) {
+ $this->throwError('color expected for green()');
+ }
+
+ return $color[2];
+ }
+
+ function lib_blue($color){
+ $color = $this->coerceColor($color);
+ if (is_null($color)) {
+ $this->throwError('color expected for blue()');
+ }
+
+ return $color[3];
+ }
+
+
+ // operator on two numbers
+ protected function op_number_number($op, $left, $right) {
+ $unit = empty($left[2]) ? $right[2] : $left[2];
+
+ $value = 0;
+ switch ($op) {
+ case '+':
+ $value = $left[1] + $right[1];
+ break;
+ case '*':
+ $value = $left[1] * $right[1];
+ break;
+ case '-':
+ $value = $left[1] - $right[1];
+ break;
+ case '%':
+ $value = $left[1] % $right[1];
+ break;
+ case '/':
+ if ($right[1] == 0) $this->throwError('parse error: divide by zero');
+ $value = $left[1] / $right[1];
+ break;
+ case '<':
+ return $this->toBool($left[1] < $right[1]);
+ case '>':
+ return $this->toBool($left[1] > $right[1]);
+ case '>=':
+ return $this->toBool($left[1] >= $right[1]);
+ case '=<':
+ return $this->toBool($left[1] <= $right[1]);
+ default:
+ $this->throwError('parse error: unknown number operator: '.$op);
+ }
+
+ return array("number", $value, $unit);
+ }
+
+
+ /* environment functions */
+
+ protected function makeOutputBlock($type, $selectors = null) {
+ $b = new stdclass;
+ $b->lines = array();
+ $b->children = array();
+ $b->selectors = $selectors;
+ $b->type = $type;
+ $b->parent = $this->scope;
+ return $b;
+ }
+
+ // the state of execution
+ protected function pushEnv($block = null) {
+ $e = new stdclass;
+ $e->parent = $this->env;
+ $e->store = array();
+ $e->block = $block;
+
+ $this->env = $e;
+ return $e;
+ }
+
+ // pop something off the stack
+ protected function popEnv() {
+ $old = $this->env;
+ $this->env = $this->env->parent;
+ return $old;
+ }
+
+ // set something in the current env
+ protected function set($name, $value) {
+ $this->env->store[$name] = $value;
+ }
+
+
+ // get the highest occurrence entry for a name
+ protected function get($name) {
+ $current = $this->env;
+
+ $isArguments = $name == $this->vPrefix . 'arguments';
+ while ($current) {
+ if ($isArguments && isset($current->arguments)) {
+ return array('list', ' ', $current->arguments);
+ }
+
+ if (isset($current->store[$name]))
+ return $current->store[$name];
+ else {
+ $current = isset($current->storeParent) ?
+ $current->storeParent : $current->parent;
+ }
+ }
+
+ $this->throwError("variable $name is undefined");
+ }
+
+ // inject array of unparsed strings into environment as variables
+ protected function injectVariables($args) {
+ $this->pushEnv();
+ $parser = new lessc_parser($this, __METHOD__);
+ foreach ($args as $name => $strValue) {
+ if ($name{0} != '@') $name = '@'.$name;
+ $parser->count = 0;
+ $parser->buffer = (string)$strValue;
+ if (!$parser->propertyValue($value)) {
+ throw new Exception("failed to parse passed in variable $name: $strValue");
+ }
+
+ $this->set($name, $value);
+ }
+ }
+
+ /**
+ * Initialize any static state, can initialize parser for a file
+ * $opts isn't used yet
+ */
+ public function __construct($fname = null) {
+ if ($fname !== null) {
+ // used for deprecated parse method
+ $this->_parseFile = $fname;
+ }
+ }
+
+ public function compile($string, $name = null) {
+ $locale = setlocale(LC_NUMERIC, 0);
+ setlocale(LC_NUMERIC, "C");
+
+ $this->parser = $this->makeParser($name);
+ $root = $this->parser->parse($string);
+
+ $this->env = null;
+ $this->scope = null;
+
+ $this->formatter = $this->newFormatter();
+
+ if (!empty($this->registeredVars)) {
+ $this->injectVariables($this->registeredVars);
+ }
+
+ $this->sourceParser = $this->parser; // used for error messages
+ $this->compileBlock($root);
+
+ ob_start();
+ $this->formatter->block($this->scope);
+ $out = ob_get_clean();
+ setlocale(LC_NUMERIC, $locale);
+ return $out;
+ }
+
+ public function compileFile($fname, $outFname = null) {
+ if (!is_readable($fname)) {
+ throw new Exception('load error: failed to find '.$fname);
+ }
+
+ $pi = pathinfo($fname);
+
+ $oldImport = $this->importDir;
+
+ $this->importDir = (array)$this->importDir;
+ $this->importDir[] = $pi['dirname'].'/';
+
+ $this->addParsedFile($fname);
+
+ $out = $this->compile(file_get_contents($fname), $fname);
+
+ $this->importDir = $oldImport;
+
+ if ($outFname !== null) {
+ return file_put_contents($outFname, $out);
+ }
+
+ return $out;
+ }
+
+ // compile only if changed input has changed or output doesn't exist
+ public function checkedCompile($in, $out) {
+ if (!is_file($out) || filemtime($in) > filemtime($out)) {
+ $this->compileFile($in, $out);
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Execute lessphp on a .less file or a lessphp cache structure
+ *
+ * The lessphp cache structure contains information about a specific
+ * less file having been parsed. It can be used as a hint for future
+ * calls to determine whether or not a rebuild is required.
+ *
+ * The cache structure contains two important keys that may be used
+ * externally:
+ *
+ * compiled: The final compiled CSS
+ * updated: The time (in seconds) the CSS was last compiled
+ *
+ * The cache structure is a plain-ol' PHP associative array and can
+ * be serialized and unserialized without a hitch.
+ *
+ * @param mixed $in Input
+ * @param bool $force Force rebuild?
+ * @return array lessphp cache structure
+ */
+ public function cachedCompile($in, $force = false) {
+ // assume no root
+ $root = null;
+
+ if (is_string($in)) {
+ $root = $in;
+ } elseif (is_array($in) and isset($in['root'])) {
+ if ($force or ! isset($in['files'])) {
+ // If we are forcing a recompile or if for some reason the
+ // structure does not contain any file information we should
+ // specify the root to trigger a rebuild.
+ $root = $in['root'];
+ } elseif (isset($in['files']) and is_array($in['files'])) {
+ foreach ($in['files'] as $fname => $ftime ) {
+ if (!file_exists($fname) or filemtime($fname) > $ftime) {
+ // One of the files we knew about previously has changed
+ // so we should look at our incoming root again.
+ $root = $in['root'];
+ break;
+ }
+ }
+ }
+ } else {
+ // TODO: Throw an exception? We got neither a string nor something
+ // that looks like a compatible lessphp cache structure.
+ return null;
+ }
+
+ if ($root !== null) {
+ // If we have a root value which means we should rebuild.
+ $out = array();
+ $out['root'] = $root;
+ $out['compiled'] = $this->compileFile($root);
+ $out['files'] = $this->allParsedFiles();
+ $out['updated'] = time();
+ return $out;
+ } else {
+ // No changes, pass back the structure
+ // we were given initially.
+ return $in;
+ }
+
+ }
+
+ // parse and compile buffer
+ // This is deprecated
+ public function parse($str = null, $initialVariables = null) {
+ if (is_array($str)) {
+ $initialVariables = $str;
+ $str = null;
+ }
+
+ $oldVars = $this->registeredVars;
+ if ($initialVariables !== null) {
+ $this->setVariables($initialVariables);
+ }
+
+ if ($str == null) {
+ if (empty($this->_parseFile)) {
+ throw new exception("nothing to parse");
+ }
+
+ $out = $this->compileFile($this->_parseFile);
+ } else {
+ $out = $this->compile($str);
+ }
+
+ $this->registeredVars = $oldVars;
+ return $out;
+ }
+
+ protected function makeParser($name) {
+ $parser = new lessc_parser($this, $name);
+ $parser->writeComments = $this->preserveComments;
+
+ return $parser;
+ }
+
+ public function setFormatter($name) {
+ $this->formatterName = $name;
+ }
+
+ protected function newFormatter() {
+ $className = "lessc_formatter_lessjs";
+ if (!empty($this->formatterName)) {
+ if (!is_string($this->formatterName))
+ return $this->formatterName;
+ $className = "lessc_formatter_$this->formatterName";
+ }
+
+ return new $className;
+ }
+
+ public function setPreserveComments($preserve) {
+ $this->preserveComments = $preserve;
+ }
+
+ public function registerFunction($name, $func) {
+ $this->libFunctions[$name] = $func;
+ }
+
+ public function unregisterFunction($name) {
+ unset($this->libFunctions[$name]);
+ }
+
+ public function setVariables($variables) {
+ $this->registeredVars = array_merge($this->registeredVars, $variables);
+ }
+
+ public function unsetVariable($name) {
+ unset($this->registeredVars[$name]);
+ }
+
+ public function setImportDir($dirs) {
+ $this->importDir = (array)$dirs;
+ }
+
+ public function addImportDir($dir) {
+ $this->importDir = (array)$this->importDir;
+ $this->importDir[] = $dir;
+ }
+
+ public function allParsedFiles() {
+ return $this->allParsedFiles;
+ }
+
+ public function addParsedFile($file) {
+ $this->allParsedFiles[realpath($file)] = filemtime($file);
+ }
+
+ /**
+ * Uses the current value of $this->count to show line and line number
+ */
+ public function throwError($msg = null) {
+ if ($this->sourceLoc >= 0) {
+ $this->sourceParser->throwError($msg, $this->sourceLoc);
+ }
+ throw new exception($msg);
+ }
+
+ // compile file $in to file $out if $in is newer than $out
+ // returns true when it compiles, false otherwise
+ public static function ccompile($in, $out, $less = null) {
+ if ($less === null) {
+ $less = new self;
+ }
+ return $less->checkedCompile($in, $out);
+ }
+
+ public static function cexecute($in, $force = false, $less = null) {
+ if ($less === null) {
+ $less = new self;
+ }
+ return $less->cachedCompile($in, $force);
+ }
+
+ static protected $cssColors = array(
+ 'aliceblue' => '240,248,255',
+ 'antiquewhite' => '250,235,215',
+ 'aqua' => '0,255,255',
+ 'aquamarine' => '127,255,212',
+ 'azure' => '240,255,255',
+ 'beige' => '245,245,220',
+ 'bisque' => '255,228,196',
+ 'black' => '0,0,0',
+ 'blanchedalmond' => '255,235,205',
+ 'blue' => '0,0,255',
+ 'blueviolet' => '138,43,226',
+ 'brown' => '165,42,42',
+ 'burlywood' => '222,184,135',
+ 'cadetblue' => '95,158,160',
+ 'chartreuse' => '127,255,0',
+ 'chocolate' => '210,105,30',
+ 'coral' => '255,127,80',
+ 'cornflowerblue' => '100,149,237',
+ 'cornsilk' => '255,248,220',
+ 'crimson' => '220,20,60',
+ 'cyan' => '0,255,255',
+ 'darkblue' => '0,0,139',
+ 'darkcyan' => '0,139,139',
+ 'darkgoldenrod' => '184,134,11',
+ 'darkgray' => '169,169,169',
+ 'darkgreen' => '0,100,0',
+ 'darkgrey' => '169,169,169',
+ 'darkkhaki' => '189,183,107',
+ 'darkmagenta' => '139,0,139',
+ 'darkolivegreen' => '85,107,47',
+ 'darkorange' => '255,140,0',
+ 'darkorchid' => '153,50,204',
+ 'darkred' => '139,0,0',
+ 'darksalmon' => '233,150,122',
+ 'darkseagreen' => '143,188,143',
+ 'darkslateblue' => '72,61,139',
+ 'darkslategray' => '47,79,79',
+ 'darkslategrey' => '47,79,79',
+ 'darkturquoise' => '0,206,209',
+ 'darkviolet' => '148,0,211',
+ 'deeppink' => '255,20,147',
+ 'deepskyblue' => '0,191,255',
+ 'dimgray' => '105,105,105',
+ 'dimgrey' => '105,105,105',
+ 'dodgerblue' => '30,144,255',
+ 'firebrick' => '178,34,34',
+ 'floralwhite' => '255,250,240',
+ 'forestgreen' => '34,139,34',
+ 'fuchsia' => '255,0,255',
+ 'gainsboro' => '220,220,220',
+ 'ghostwhite' => '248,248,255',
+ 'gold' => '255,215,0',
+ 'goldenrod' => '218,165,32',
+ 'gray' => '128,128,128',
+ 'green' => '0,128,0',
+ 'greenyellow' => '173,255,47',
+ 'grey' => '128,128,128',
+ 'honeydew' => '240,255,240',
+ 'hotpink' => '255,105,180',
+ 'indianred' => '205,92,92',
+ 'indigo' => '75,0,130',
+ 'ivory' => '255,255,240',
+ 'khaki' => '240,230,140',
+ 'lavender' => '230,230,250',
+ 'lavenderblush' => '255,240,245',
+ 'lawngreen' => '124,252,0',
+ 'lemonchiffon' => '255,250,205',
+ 'lightblue' => '173,216,230',
+ 'lightcoral' => '240,128,128',
+ 'lightcyan' => '224,255,255',
+ 'lightgoldenrodyellow' => '250,250,210',
+ 'lightgray' => '211,211,211',
+ 'lightgreen' => '144,238,144',
+ 'lightgrey' => '211,211,211',
+ 'lightpink' => '255,182,193',
+ 'lightsalmon' => '255,160,122',
+ 'lightseagreen' => '32,178,170',
+ 'lightskyblue' => '135,206,250',
+ 'lightslategray' => '119,136,153',
+ 'lightslategrey' => '119,136,153',
+ 'lightsteelblue' => '176,196,222',
+ 'lightyellow' => '255,255,224',
+ 'lime' => '0,255,0',
+ 'limegreen' => '50,205,50',
+ 'linen' => '250,240,230',
+ 'magenta' => '255,0,255',
+ 'maroon' => '128,0,0',
+ 'mediumaquamarine' => '102,205,170',
+ 'mediumblue' => '0,0,205',
+ 'mediumorchid' => '186,85,211',
+ 'mediumpurple' => '147,112,219',
+ 'mediumseagreen' => '60,179,113',
+ 'mediumslateblue' => '123,104,238',
+ 'mediumspringgreen' => '0,250,154',
+ 'mediumturquoise' => '72,209,204',
+ 'mediumvioletred' => '199,21,133',
+ 'midnightblue' => '25,25,112',
+ 'mintcream' => '245,255,250',
+ 'mistyrose' => '255,228,225',
+ 'moccasin' => '255,228,181',
+ 'navajowhite' => '255,222,173',
+ 'navy' => '0,0,128',
+ 'oldlace' => '253,245,230',
+ 'olive' => '128,128,0',
+ 'olivedrab' => '107,142,35',
+ 'orange' => '255,165,0',
+ 'orangered' => '255,69,0',
+ 'orchid' => '218,112,214',
+ 'palegoldenrod' => '238,232,170',
+ 'palegreen' => '152,251,152',
+ 'paleturquoise' => '175,238,238',
+ 'palevioletred' => '219,112,147',
+ 'papayawhip' => '255,239,213',
+ 'peachpuff' => '255,218,185',
+ 'peru' => '205,133,63',
+ 'pink' => '255,192,203',
+ 'plum' => '221,160,221',
+ 'powderblue' => '176,224,230',
+ 'purple' => '128,0,128',
+ 'red' => '255,0,0',
+ 'rosybrown' => '188,143,143',
+ 'royalblue' => '65,105,225',
+ 'saddlebrown' => '139,69,19',
+ 'salmon' => '250,128,114',
+ 'sandybrown' => '244,164,96',
+ 'seagreen' => '46,139,87',
+ 'seashell' => '255,245,238',
+ 'sienna' => '160,82,45',
+ 'silver' => '192,192,192',
+ 'skyblue' => '135,206,235',
+ 'slateblue' => '106,90,205',
+ 'slategray' => '112,128,144',
+ 'slategrey' => '112,128,144',
+ 'snow' => '255,250,250',
+ 'springgreen' => '0,255,127',
+ 'steelblue' => '70,130,180',
+ 'tan' => '210,180,140',
+ 'teal' => '0,128,128',
+ 'thistle' => '216,191,216',
+ 'tomato' => '255,99,71',
+ 'transparent' => '0,0,0,0',
+ 'turquoise' => '64,224,208',
+ 'violet' => '238,130,238',
+ 'wheat' => '245,222,179',
+ 'white' => '255,255,255',
+ 'whitesmoke' => '245,245,245',
+ 'yellow' => '255,255,0',
+ 'yellowgreen' => '154,205,50'
+ );
+}
+
+// responsible for taking a string of LESS code and converting it into a
+// syntax tree
+class lessc_parser {
+ static protected $nextBlockId = 0; // used to uniquely identify blocks
+
+ static protected $precedence = array(
+ '=<' => 0,
+ '>=' => 0,
+ '=' => 0,
+ '<' => 0,
+ '>' => 0,
+
+ '+' => 1,
+ '-' => 1,
+ '*' => 2,
+ '/' => 2,
+ '%' => 2,
+ );
+
+ static protected $whitePattern;
+ static protected $commentMulti;
+
+ static protected $commentSingle = "//";
+ static protected $commentMultiLeft = "/*";
+ static protected $commentMultiRight = "*/";
+
+ // regex string to match any of the operators
+ static protected $operatorString;
+
+ // these properties will supress division unless it's inside parenthases
+ static protected $supressDivisionProps =
+ array('/border-radius$/i', '/^font$/i');
+
+ protected $blockDirectives = array("font-face", "keyframes", "page", "-moz-document", "viewport", "-moz-viewport", "-o-viewport", "-ms-viewport");
+ protected $lineDirectives = array("charset");
+
+ /**
+ * if we are in parens we can be more liberal with whitespace around
+ * operators because it must evaluate to a single value and thus is less
+ * ambiguous.
+ *
+ * Consider:
+ * property1: 10 -5; // is two numbers, 10 and -5
+ * property2: (10 -5); // should evaluate to 5
+ */
+ protected $inParens = false;
+
+ // caches preg escaped literals
+ static protected $literalCache = array();
+
+ public function __construct($lessc, $sourceName = null) {
+ $this->eatWhiteDefault = true;
+ // reference to less needed for vPrefix, mPrefix, and parentSelector
+ $this->lessc = $lessc;
+
+ $this->sourceName = $sourceName; // name used for error messages
+
+ $this->writeComments = false;
+
+ if (!self::$operatorString) {
+ self::$operatorString =
+ '('.implode('|', array_map(array('lessc', 'preg_quote'),
+ array_keys(self::$precedence))).')';
+
+ $commentSingle = lessc::preg_quote(self::$commentSingle);
+ $commentMultiLeft = lessc::preg_quote(self::$commentMultiLeft);
+ $commentMultiRight = lessc::preg_quote(self::$commentMultiRight);
+
+ self::$commentMulti = $commentMultiLeft.'.*?'.$commentMultiRight;
+ self::$whitePattern = '/'.$commentSingle.'[^\n]*\s*|('.self::$commentMulti.')\s*|\s+/Ais';
+ }
+ }
+
+ public function parse($buffer) {
+ $this->count = 0;
+ $this->line = 1;
+
+ $this->env = null; // block stack
+ $this->buffer = $this->writeComments ? $buffer : $this->removeComments($buffer);
+ $this->pushSpecialBlock("root");
+ $this->eatWhiteDefault = true;
+ $this->seenComments = array();
+
+ // trim whitespace on head
+ // if (preg_match('/^\s+/', $this->buffer, $m)) {
+ // $this->line += substr_count($m[0], "\n");
+ // $this->buffer = ltrim($this->buffer);
+ // }
+ $this->whitespace();
+
+ // parse the entire file
+ while (false !== $this->parseChunk());
+
+ if ($this->count != strlen($this->buffer))
+ $this->throwError();
+
+ // TODO report where the block was opened
+ if ( !property_exists($this->env, 'parent') || !is_null($this->env->parent) )
+ throw new exception('parse error: unclosed block');
+
+ return $this->env;
+ }
+
+ /**
+ * Parse a single chunk off the head of the buffer and append it to the
+ * current parse environment.
+ * Returns false when the buffer is empty, or when there is an error.
+ *
+ * This function is called repeatedly until the entire document is
+ * parsed.
+ *
+ * This parser is most similar to a recursive descent parser. Single
+ * functions represent discrete grammatical rules for the language, and
+ * they are able to capture the text that represents those rules.
+ *
+ * Consider the function lessc::keyword(). (all parse functions are
+ * structured the same)
+ *
+ * The function takes a single reference argument. When calling the
+ * function it will attempt to match a keyword on the head of the buffer.
+ * If it is successful, it will place the keyword in the referenced
+ * argument, advance the position in the buffer, and return true. If it
+ * fails then it won't advance the buffer and it will return false.
+ *
+ * All of these parse functions are powered by lessc::match(), which behaves
+ * the same way, but takes a literal regular expression. Sometimes it is
+ * more convenient to use match instead of creating a new function.
+ *
+ * Because of the format of the functions, to parse an entire string of
+ * grammatical rules, you can chain them together using &&.
+ *
+ * But, if some of the rules in the chain succeed before one fails, then
+ * the buffer position will be left at an invalid state. In order to
+ * avoid this, lessc::seek() is used to remember and set buffer positions.
+ *
+ * Before parsing a chain, use $s = $this->seek() to remember the current
+ * position into $s. Then if a chain fails, use $this->seek($s) to
+ * go back where we started.
+ */
+ protected function parseChunk() {
+ if (empty($this->buffer)) return false;
+ $s = $this->seek();
+
+ if ($this->whitespace()) {
+ return true;
+ }
+
+ // setting a property
+ if ($this->keyword($key) && $this->assign() &&
+ $this->propertyValue($value, $key) && $this->end())
+ {
+ $this->append(array('assign', $key, $value), $s);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+
+ // look for special css blocks
+ if ($this->literal('@', false)) {
+ $this->count--;
+
+ // media
+ if ($this->literal('@media')) {
+ if (($this->mediaQueryList($mediaQueries) || true)
+ && $this->literal('{'))
+ {
+ $media = $this->pushSpecialBlock("media");
+ $media->queries = is_null($mediaQueries) ? array() : $mediaQueries;
+ return true;
+ } else {
+ $this->seek($s);
+ return false;
+ }
+ }
+
+ if ($this->literal("@", false) && $this->keyword($dirName)) {
+ if ($this->isDirective($dirName, $this->blockDirectives)) {
+ if (($this->openString("{", $dirValue, null, array(";")) || true) &&
+ $this->literal("{"))
+ {
+ $dir = $this->pushSpecialBlock("directive");
+ $dir->name = $dirName;
+ if (isset($dirValue)) $dir->value = $dirValue;
+ return true;
+ }
+ } elseif ($this->isDirective($dirName, $this->lineDirectives)) {
+ if ($this->propertyValue($dirValue) && $this->end()) {
+ $this->append(array("directive", $dirName, $dirValue));
+ return true;
+ }
+ }
+ }
+
+ $this->seek($s);
+ }
+
+ // setting a variable
+ if ($this->variable($var) && $this->assign() &&
+ $this->propertyValue($value) && $this->end())
+ {
+ $this->append(array('assign', $var, $value), $s);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ if ($this->import($importValue)) {
+ $this->append($importValue, $s);
+ return true;
+ }
+
+ // opening parametric mixin
+ if ($this->tag($tag, true) && $this->argumentDef($args, $isVararg) &&
+ ($this->guards($guards) || true) &&
+ $this->literal('{'))
+ {
+ $block = $this->pushBlock($this->fixTags(array($tag)));
+ $block->args = $args;
+ $block->isVararg = $isVararg;
+ if (!empty($guards)) $block->guards = $guards;
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // opening a simple block
+ if ($this->tags($tags) && $this->literal('{', false)) {
+ $tags = $this->fixTags($tags);
+ $this->pushBlock($tags);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // closing a block
+ if ($this->literal('}', false)) {
+ try {
+ $block = $this->pop();
+ } catch (exception $e) {
+ $this->seek($s);
+ $this->throwError($e->getMessage());
+ }
+
+ $hidden = false;
+ if (is_null($block->type)) {
+ $hidden = true;
+ if (!isset($block->args)) {
+ foreach ($block->tags as $tag) {
+ if (!is_string($tag) || $tag{0} != $this->lessc->mPrefix) {
+ $hidden = false;
+ break;
+ }
+ }
+ }
+
+ foreach ($block->tags as $tag) {
+ if (is_string($tag)) {
+ $this->env->children[$tag][] = $block;
+ }
+ }
+ }
+
+ if (!$hidden) {
+ $this->append(array('block', $block), $s);
+ }
+
+ // this is done here so comments aren't bundled into he block that
+ // was just closed
+ $this->whitespace();
+ return true;
+ }
+
+ // mixin
+ if ($this->mixinTags($tags) &&
+ ($this->argumentDef($argv, $isVararg) || true) &&
+ ($this->keyword($suffix) || true) && $this->end())
+ {
+ $tags = $this->fixTags($tags);
+ $this->append(array('mixin', $tags, $argv, $suffix), $s);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // spare ;
+ if ($this->literal(';')) return true;
+
+ return false; // got nothing, throw error
+ }
+
+ protected function isDirective($dirname, $directives) {
+ // TODO: cache pattern in parser
+ $pattern = implode("|",
+ array_map(array("lessc", "preg_quote"), $directives));
+ $pattern = '/^(-[a-z-]+-)?(' . $pattern . ')$/i';
+
+ return preg_match($pattern, $dirname);
+ }
+
+ protected function fixTags($tags) {
+ // move @ tags out of variable namespace
+ foreach ($tags as &$tag) {
+ if ($tag{0} == $this->lessc->vPrefix)
+ $tag[0] = $this->lessc->mPrefix;
+ }
+ return $tags;
+ }
+
+ // a list of expressions
+ protected function expressionList(&$exps) {
+ $values = array();
+
+ while ($this->expression($exp)) {
+ $values[] = $exp;
+ }
+
+ if (count($values) == 0) return false;
+
+ $exps = lessc::compressList($values, ' ');
+ return true;
+ }
+
+ /**
+ * Attempt to consume an expression.
+ * @link http://en.wikipedia.org/wiki/Operator-precedence_parser#Pseudo-code
+ */
+ protected function expression(&$out) {
+ if ($this->value($lhs)) {
+ $out = $this->expHelper($lhs, 0);
+
+ // look for / shorthand
+ if (!empty($this->env->supressedDivision)) {
+ unset($this->env->supressedDivision);
+ $s = $this->seek();
+ if ($this->literal("/") && $this->value($rhs)) {
+ $out = array("list", "",
+ array($out, array("keyword", "/"), $rhs));
+ } else {
+ $this->seek($s);
+ }
+ }
+
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * recursively parse infix equation with $lhs at precedence $minP
+ */
+ protected function expHelper($lhs, $minP) {
+ $this->inExp = true;
+ $ss = $this->seek();
+
+ while (true) {
+ $whiteBefore = isset($this->buffer[$this->count - 1]) &&
+ ctype_space($this->buffer[$this->count - 1]);
+
+ // If there is whitespace before the operator, then we require
+ // whitespace after the operator for it to be an expression
+ $needWhite = $whiteBefore && !$this->inParens;
+
+ if ($this->match(self::$operatorString.($needWhite ? '\s' : ''), $m) && self::$precedence[$m[1]] >= $minP) {
+ if (!$this->inParens && isset($this->env->currentProperty) && $m[1] == "/" && empty($this->env->supressedDivision)) {
+ foreach (self::$supressDivisionProps as $pattern) {
+ if (preg_match($pattern, $this->env->currentProperty)) {
+ $this->env->supressedDivision = true;
+ break 2;
+ }
+ }
+ }
+
+
+ $whiteAfter = isset($this->buffer[$this->count - 1]) &&
+ ctype_space($this->buffer[$this->count - 1]);
+
+ if (!$this->value($rhs)) break;
+
+ // peek for next operator to see what to do with rhs
+ if ($this->peek(self::$operatorString, $next) && self::$precedence[$next[1]] > self::$precedence[$m[1]]) {
+ $rhs = $this->expHelper($rhs, self::$precedence[$next[1]]);
+ }
+
+ $lhs = array('expression', $m[1], $lhs, $rhs, $whiteBefore, $whiteAfter);
+ $ss = $this->seek();
+
+ continue;
+ }
+
+ break;
+ }
+
+ $this->seek($ss);
+
+ return $lhs;
+ }
+
+ // consume a list of values for a property
+ public function propertyValue(&$value, $keyName = null) {
+ $values = array();
+
+ if ($keyName !== null) $this->env->currentProperty = $keyName;
+
+ $s = null;
+ while ($this->expressionList($v)) {
+ $values[] = $v;
+ $s = $this->seek();
+ if (!$this->literal(',')) break;
+ }
+
+ if ($s) $this->seek($s);
+
+ if ($keyName !== null) unset($this->env->currentProperty);
+
+ if (count($values) == 0) return false;
+
+ $value = lessc::compressList($values, ', ');
+ return true;
+ }
+
+ protected function parenValue(&$out) {
+ $s = $this->seek();
+
+ // speed shortcut
+ if (isset($this->buffer[$this->count]) && $this->buffer[$this->count] != "(") {
+ return false;
+ }
+
+ $inParens = $this->inParens;
+ if ($this->literal("(") &&
+ ($this->inParens = true) && $this->expression($exp) &&
+ $this->literal(")"))
+ {
+ $out = $exp;
+ $this->inParens = $inParens;
+ return true;
+ } else {
+ $this->inParens = $inParens;
+ $this->seek($s);
+ }
+
+ return false;
+ }
+
+ // a single value
+ protected function value(&$value) {
+ $s = $this->seek();
+
+ // speed shortcut
+ if (isset($this->buffer[$this->count]) && $this->buffer[$this->count] == "-") {
+ // negation
+ if ($this->literal("-", false) &&
+ (($this->variable($inner) && $inner = array("variable", $inner)) ||
+ $this->unit($inner) ||
+ $this->parenValue($inner)))
+ {
+ $value = array("unary", "-", $inner);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+ }
+
+ if ($this->parenValue($value)) return true;
+ if ($this->unit($value)) return true;
+ if ($this->color($value)) return true;
+ if ($this->func($value)) return true;
+ if ($this->string($value)) return true;
+
+ if ($this->keyword($word)) {
+ $value = array('keyword', $word);
+ return true;
+ }
+
+ // try a variable
+ if ($this->variable($var)) {
+ $value = array('variable', $var);
+ return true;
+ }
+
+ // unquote string (should this work on any type?
+ if ($this->literal("~") && $this->string($str)) {
+ $value = array("escape", $str);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ // css hack: \0
+ if ($this->literal('\\') && $this->match('([0-9]+)', $m)) {
+ $value = array('keyword', '\\'.$m[1]);
+ return true;
+ } else {
+ $this->seek($s);
+ }
+
+ return false;
+ }
+
+ // an import statement
+ protected function import(&$out) {
+ if (!$this->literal('@import')) return false;
+
+ // @import "something.css" media;
+ // @import url("something.css") media;
+ // @import url(something.css) media;
+
+ if ($this->propertyValue($value)) {
+ $out = array("import", $value);
+ return true;
+ }
+ }
+
+ protected function mediaQueryList(&$out) {
+ if ($this->genericList($list, "mediaQuery", ",", false)) {
+ $out = $list[2];
+ return true;
+ }
+ return false;
+ }
+
+ protected function mediaQuery(&$out) {
+ $s = $this->seek();
+
+ $expressions = null;
+ $parts = array();
+
+ if (($this->literal("only") && ($only = true) || $this->literal("not") && ($not = true) || true) && $this->keyword($mediaType)) {
+ $prop = array("mediaType");
+ if (isset($only)) $prop[] = "only";
+ if (isset($not)) $prop[] = "not";
+ $prop[] = $mediaType;
+ $parts[] = $prop;
+ } else {
+ $this->seek($s);
+ }
+
+
+ if (!empty($mediaType) && !$this->literal("and")) {
+ // ~
+ } else {
+ $this->genericList($expressions, "mediaExpression", "and", false);
+ if (is_array($expressions)) $parts = array_merge($parts, $expressions[2]);
+ }
+
+ if (count($parts) == 0) {
+ $this->seek($s);
+ return false;
+ }
+
+ $out = $parts;
+ return true;
+ }
+
+ protected function mediaExpression(&$out) {
+ $s = $this->seek();
+ $value = null;
+ if ($this->literal("(") &&
+ $this->keyword($feature) &&
+ ($this->literal(":") && $this->expression($value) || true) &&
+ $this->literal(")"))
+ {
+ $out = array("mediaExp", $feature);
+ if ($value) $out[] = $value;
+ return true;
+ } elseif ($this->variable($variable)) {
+ $out = array('variable', $variable);
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ // an unbounded string stopped by $end
+ protected function openString($end, &$out, $nestingOpen=null, $rejectStrs = null) {
+ $oldWhite = $this->eatWhiteDefault;
+ $this->eatWhiteDefault = false;
+
+ $stop = array("'", '"', "@{", $end);
+ $stop = array_map(array("lessc", "preg_quote"), $stop);
+ // $stop[] = self::$commentMulti;
+
+ if (!is_null($rejectStrs)) {
+ $stop = array_merge($stop, $rejectStrs);
+ }
+
+ $patt = '(.*?)('.implode("|", $stop).')';
+
+ $nestingLevel = 0;
+
+ $content = array();
+ while ($this->match($patt, $m, false)) {
+ if (!empty($m[1])) {
+ $content[] = $m[1];
+ if ($nestingOpen) {
+ $nestingLevel += substr_count($m[1], $nestingOpen);
+ }
+ }
+
+ $tok = $m[2];
+
+ $this->count-= strlen($tok);
+ if ($tok == $end) {
+ if ($nestingLevel == 0) {
+ break;
+ } else {
+ $nestingLevel--;
+ }
+ }
+
+ if (($tok == "'" || $tok == '"') && $this->string($str)) {
+ $content[] = $str;
+ continue;
+ }
+
+ if ($tok == "@{" && $this->interpolation($inter)) {
+ $content[] = $inter;
+ continue;
+ }
+
+ if (!empty($rejectStrs) && in_array($tok, $rejectStrs)) {
+ break;
+ }
+
+ $content[] = $tok;
+ $this->count+= strlen($tok);
+ }
+
+ $this->eatWhiteDefault = $oldWhite;
+
+ if (count($content) == 0) return false;
+
+ // trim the end
+ if (is_string(end($content))) {
+ $content[count($content) - 1] = rtrim(end($content));
+ }
+
+ $out = array("string", "", $content);
+ return true;
+ }
+
+ protected function string(&$out) {
+ $s = $this->seek();
+ if ($this->literal('"', false)) {
+ $delim = '"';
+ } elseif ($this->literal("'", false)) {
+ $delim = "'";
+ } else {
+ return false;
+ }
+
+ $content = array();
+
+ // look for either ending delim , escape, or string interpolation
+ $patt = '([^\n]*?)(@\{|\\\\|' .
+ lessc::preg_quote($delim).')';
+
+ $oldWhite = $this->eatWhiteDefault;
+ $this->eatWhiteDefault = false;
+
+ while ($this->match($patt, $m, false)) {
+ $content[] = $m[1];
+ if ($m[2] == "@{") {
+ $this->count -= strlen($m[2]);
+ if ($this->interpolation($inter, false)) {
+ $content[] = $inter;
+ } else {
+ $this->count += strlen($m[2]);
+ $content[] = "@{"; // ignore it
+ }
+ } elseif ($m[2] == '\\') {
+ $content[] = $m[2];
+ if ($this->literal($delim, false)) {
+ $content[] = $delim;
+ }
+ } else {
+ $this->count -= strlen($delim);
+ break; // delim
+ }
+ }
+
+ $this->eatWhiteDefault = $oldWhite;
+
+ if ($this->literal($delim)) {
+ $out = array("string", $delim, $content);
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ protected function interpolation(&$out) {
+ $oldWhite = $this->eatWhiteDefault;
+ $this->eatWhiteDefault = true;
+
+ $s = $this->seek();
+ if ($this->literal("@{") &&
+ $this->openString("}", $interp, null, array("'", '"', ";")) &&
+ $this->literal("}", false))
+ {
+ $out = array("interpolate", $interp);
+ $this->eatWhiteDefault = $oldWhite;
+ if ($this->eatWhiteDefault) $this->whitespace();
+ return true;
+ }
+
+ $this->eatWhiteDefault = $oldWhite;
+ $this->seek($s);
+ return false;
+ }
+
+ protected function unit(&$unit) {
+ // speed shortcut
+ if (isset($this->buffer[$this->count])) {
+ $char = $this->buffer[$this->count];
+ if (!ctype_digit($char) && $char != ".") return false;
+ }
+
+ if ($this->match('([0-9]+(?:\.[0-9]*)?|\.[0-9]+)([%a-zA-Z]+)?', $m)) {
+ $unit = array("number", $m[1], empty($m[2]) ? "" : $m[2]);
+ return true;
+ }
+ return false;
+ }
+
+ // a # color
+ protected function color(&$out) {
+ if ($this->match('(#(?:[0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{3}))', $m)) {
+ if (strlen($m[1]) > 7) {
+ $out = array("string", "", array($m[1]));
+ } else {
+ $out = array("raw_color", $m[1]);
+ }
+ return true;
+ }
+
+ return false;
+ }
+
+ // consume an argument definition list surrounded by ()
+ // each argument is a variable name with optional value
+ // or at the end a ... or a variable named followed by ...
+ // arguments are separated by , unless a ; is in the list, then ; is the
+ // delimiter.
+ protected function argumentDef(&$args, &$isVararg) {
+ $s = $this->seek();
+ if (!$this->literal('(')) return false;
+
+ $values = array();
+ $delim = ",";
+ $method = "expressionList";
+
+ $isVararg = false;
+ while (true) {
+ if ($this->literal("...")) {
+ $isVararg = true;
+ break;
+ }
+
+ if ($this->$method($value)) {
+ if ($value[0] == "variable") {
+ $arg = array("arg", $value[1]);
+ $ss = $this->seek();
+
+ if ($this->assign() && $this->$method($rhs)) {
+ $arg[] = $rhs;
+ } else {
+ $this->seek($ss);
+ if ($this->literal("...")) {
+ $arg[0] = "rest";
+ $isVararg = true;
+ }
+ }
+
+ $values[] = $arg;
+ if ($isVararg) break;
+ continue;
+ } else {
+ $values[] = array("lit", $value);
+ }
+ }
+
+
+ if (!$this->literal($delim)) {
+ if ($delim == "," && $this->literal(";")) {
+ // found new delim, convert existing args
+ $delim = ";";
+ $method = "propertyValue";
+
+ // transform arg list
+ if (isset($values[1])) { // 2 items
+ $newList = array();
+ foreach ($values as $i => $arg) {
+ switch($arg[0]) {
+ case "arg":
+ if ($i) {
+ $this->throwError("Cannot mix ; and , as delimiter types");
+ }
+ $newList[] = $arg[2];
+ break;
+ case "lit":
+ $newList[] = $arg[1];
+ break;
+ case "rest":
+ $this->throwError("Unexpected rest before semicolon");
+ }
+ }
+
+ $newList = array("list", ", ", $newList);
+
+ switch ($values[0][0]) {
+ case "arg":
+ $newArg = array("arg", $values[0][1], $newList);
+ break;
+ case "lit":
+ $newArg = array("lit", $newList);
+ break;
+ }
+
+ } elseif ($values) { // 1 item
+ $newArg = $values[0];
+ }
+
+ if ($newArg) {
+ $values = array($newArg);
+ }
+ } else {
+ break;
+ }
+ }
+ }
+
+ if (!$this->literal(')')) {
+ $this->seek($s);
+ return false;
+ }
+
+ $args = $values;
+
+ return true;
+ }
+
+ // consume a list of tags
+ // this accepts a hanging delimiter
+ protected function tags(&$tags, $simple = false, $delim = ',') {
+ $tags = array();
+ while ($this->tag($tt, $simple)) {
+ $tags[] = $tt;
+ if (!$this->literal($delim)) break;
+ }
+ if (count($tags) == 0) return false;
+
+ return true;
+ }
+
+ // list of tags of specifying mixin path
+ // optionally separated by > (lazy, accepts extra >)
+ protected function mixinTags(&$tags) {
+ $tags = array();
+ while ($this->tag($tt, true)) {
+ $tags[] = $tt;
+ $this->literal(">");
+ }
+
+ if (count($tags) == 0) return false;
+
+ return true;
+ }
+
+ // a bracketed value (contained within in a tag definition)
+ protected function tagBracket(&$parts, &$hasExpression) {
+ // speed shortcut
+ if (isset($this->buffer[$this->count]) && $this->buffer[$this->count] != "[") {
+ return false;
+ }
+
+ $s = $this->seek();
+
+ $hasInterpolation = false;
+
+ if ($this->literal("[", false)) {
+ $attrParts = array("[");
+ // keyword, string, operator
+ while (true) {
+ if ($this->literal("]", false)) {
+ $this->count--;
+ break; // get out early
+ }
+
+ if ($this->match('\s+', $m)) {
+ $attrParts[] = " ";
+ continue;
+ }
+ if ($this->string($str)) {
+ // escape parent selector, (yuck)
+ foreach ($str[2] as &$chunk) {
+ $chunk = str_replace($this->lessc->parentSelector, "$&$", $chunk);
+ }
+
+ $attrParts[] = $str;
+ $hasInterpolation = true;
+ continue;
+ }
+
+ if ($this->keyword($word)) {
+ $attrParts[] = $word;
+ continue;
+ }
+
+ if ($this->interpolation($inter, false)) {
+ $attrParts[] = $inter;
+ $hasInterpolation = true;
+ continue;
+ }
+
+ // operator, handles attr namespace too
+ if ($this->match('[|-~\$\*\^=]+', $m)) {
+ $attrParts[] = $m[0];
+ continue;
+ }
+
+ break;
+ }
+
+ if ($this->literal("]", false)) {
+ $attrParts[] = "]";
+ foreach ($attrParts as $part) {
+ $parts[] = $part;
+ }
+ $hasExpression = $hasExpression || $hasInterpolation;
+ return true;
+ }
+ $this->seek($s);
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ // a space separated list of selectors
+ protected function tag(&$tag, $simple = false) {
+ if ($simple)
+ $chars = '^@,:;{}\][>\(\) "\'';
+ else
+ $chars = '^@,;{}["\'';
+
+ $s = $this->seek();
+
+ $hasExpression = false;
+ $parts = array();
+ while ($this->tagBracket($parts, $hasExpression));
+
+ $oldWhite = $this->eatWhiteDefault;
+ $this->eatWhiteDefault = false;
+
+ while (true) {
+ if ($this->match('(['.$chars.'0-9]['.$chars.']*)', $m)) {
+ $parts[] = $m[1];
+ if ($simple) break;
+
+ while ($this->tagBracket($parts, $hasExpression));
+ continue;
+ }
+
+ if (isset($this->buffer[$this->count]) && $this->buffer[$this->count] == "@") {
+ if ($this->interpolation($interp)) {
+ $hasExpression = true;
+ $interp[2] = true; // don't unescape
+ $parts[] = $interp;
+ continue;
+ }
+
+ if ($this->literal("@")) {
+ $parts[] = "@";
+ continue;
+ }
+ }
+
+ if ($this->unit($unit)) { // for keyframes
+ $parts[] = $unit[1];
+ $parts[] = $unit[2];
+ continue;
+ }
+
+ break;
+ }
+
+ $this->eatWhiteDefault = $oldWhite;
+ if (!$parts) {
+ $this->seek($s);
+ return false;
+ }
+
+ if ($hasExpression) {
+ $tag = array("exp", array("string", "", $parts));
+ } else {
+ $tag = trim(implode($parts));
+ }
+
+ $this->whitespace();
+ return true;
+ }
+
+ // a css function
+ protected function func(&$func) {
+ $s = $this->seek();
+
+ if ($this->match('(%|[\w\-_][\w\-_:\.]+|[\w_])', $m) && $this->literal('(')) {
+ $fname = $m[1];
+
+ $sPreArgs = $this->seek();
+
+ $args = array();
+ while (true) {
+ $ss = $this->seek();
+ // this ugly nonsense is for ie filter properties
+ if ($this->keyword($name) && $this->literal('=') && $this->expressionList($value)) {
+ $args[] = array("string", "", array($name, "=", $value));
+ } else {
+ $this->seek($ss);
+ if ($this->expressionList($value)) {
+ $args[] = $value;
+ }
+ }
+
+ if (!$this->literal(',')) break;
+ }
+ $args = array('list', ',', $args);
+
+ if ($this->literal(')')) {
+ $func = array('function', $fname, $args);
+ return true;
+ } elseif ($fname == 'url') {
+ // couldn't parse and in url? treat as string
+ $this->seek($sPreArgs);
+ if ($this->openString(")", $string) && $this->literal(")")) {
+ $func = array('function', $fname, $string);
+ return true;
+ }
+ }
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ // consume a less variable
+ protected function variable(&$name) {
+ $s = $this->seek();
+ if ($this->literal($this->lessc->vPrefix, false) &&
+ ($this->variable($sub) || $this->keyword($name)))
+ {
+ if (!empty($sub)) {
+ $name = array('variable', $sub);
+ } else {
+ $name = $this->lessc->vPrefix.$name;
+ }
+ return true;
+ }
+
+ $name = null;
+ $this->seek($s);
+ return false;
+ }
+
+ /**
+ * Consume an assignment operator
+ * Can optionally take a name that will be set to the current property name
+ */
+ protected function assign($name = null) {
+ if ($name) $this->currentProperty = $name;
+ return $this->literal(':') || $this->literal('=');
+ }
+
+ // consume a keyword
+ protected function keyword(&$word) {
+ if ($this->match('([\w_\-\*!"][\w\-_"]*)', $m)) {
+ $word = $m[1];
+ return true;
+ }
+ return false;
+ }
+
+ // consume an end of statement delimiter
+ protected function end() {
+ if ($this->literal(';', false)) {
+ return true;
+ } elseif ($this->count == strlen($this->buffer) || $this->buffer[$this->count] == '}') {
+ // if there is end of file or a closing block next then we don't need a ;
+ return true;
+ }
+ return false;
+ }
+
+ protected function guards(&$guards) {
+ $s = $this->seek();
+
+ if (!$this->literal("when")) {
+ $this->seek($s);
+ return false;
+ }
+
+ $guards = array();
+
+ while ($this->guardGroup($g)) {
+ $guards[] = $g;
+ if (!$this->literal(",")) break;
+ }
+
+ if (count($guards) == 0) {
+ $guards = null;
+ $this->seek($s);
+ return false;
+ }
+
+ return true;
+ }
+
+ // a bunch of guards that are and'd together
+ // TODO rename to guardGroup
+ protected function guardGroup(&$guardGroup) {
+ $s = $this->seek();
+ $guardGroup = array();
+ while ($this->guard($guard)) {
+ $guardGroup[] = $guard;
+ if (!$this->literal("and")) break;
+ }
+
+ if (count($guardGroup) == 0) {
+ $guardGroup = null;
+ $this->seek($s);
+ return false;
+ }
+
+ return true;
+ }
+
+ protected function guard(&$guard) {
+ $s = $this->seek();
+ $negate = $this->literal("not");
+
+ if ($this->literal("(") && $this->expression($exp) && $this->literal(")")) {
+ $guard = $exp;
+ if ($negate) $guard = array("negate", $guard);
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ /* raw parsing functions */
+
+ protected function literal($what, $eatWhitespace = null) {
+ if ($eatWhitespace === null) $eatWhitespace = $this->eatWhiteDefault;
+
+ // shortcut on single letter
+ if (!isset($what[1]) && isset($this->buffer[$this->count])) {
+ if ($this->buffer[$this->count] == $what) {
+ if (!$eatWhitespace) {
+ $this->count++;
+ return true;
+ }
+ // goes below...
+ } else {
+ return false;
+ }
+ }
+
+ if (!isset(self::$literalCache[$what])) {
+ self::$literalCache[$what] = lessc::preg_quote($what);
+ }
+
+ return $this->match(self::$literalCache[$what], $m, $eatWhitespace);
+ }
+
+ protected function genericList(&$out, $parseItem, $delim="", $flatten=true) {
+ $s = $this->seek();
+ $items = array();
+ while ($this->$parseItem($value)) {
+ $items[] = $value;
+ if ($delim) {
+ if (!$this->literal($delim)) break;
+ }
+ }
+
+ if (count($items) == 0) {
+ $this->seek($s);
+ return false;
+ }
+
+ if ($flatten && count($items) == 1) {
+ $out = $items[0];
+ } else {
+ $out = array("list", $delim, $items);
+ }
+
+ return true;
+ }
+
+
+ // advance counter to next occurrence of $what
+ // $until - don't include $what in advance
+ // $allowNewline, if string, will be used as valid char set
+ protected function to($what, &$out, $until = false, $allowNewline = false) {
+ if (is_string($allowNewline)) {
+ $validChars = $allowNewline;
+ } else {
+ $validChars = $allowNewline ? "." : "[^\n]";
+ }
+ if (!$this->match('('.$validChars.'*?)'.lessc::preg_quote($what), $m, !$until)) return false;
+ if ($until) $this->count -= strlen($what); // give back $what
+ $out = $m[1];
+ return true;
+ }
+
+ // try to match something on head of buffer
+ protected function match($regex, &$out, $eatWhitespace = null) {
+ if ($eatWhitespace === null) $eatWhitespace = $this->eatWhiteDefault;
+
+ $r = '/'.$regex.($eatWhitespace && !$this->writeComments ? '\s*' : '').'/Ais';
+ if (preg_match($r, $this->buffer, $out, null, $this->count)) {
+ $this->count += strlen($out[0]);
+ if ($eatWhitespace && $this->writeComments) $this->whitespace();
+ return true;
+ }
+ return false;
+ }
+
+ // match some whitespace
+ protected function whitespace() {
+ if ($this->writeComments) {
+ $gotWhite = false;
+ while (preg_match(self::$whitePattern, $this->buffer, $m, null, $this->count)) {
+ if (isset($m[1]) && empty($this->seenComments[$this->count])) {
+ $this->append(array("comment", $m[1]));
+ $this->seenComments[$this->count] = true;
+ }
+ $this->count += strlen($m[0]);
+ $gotWhite = true;
+ }
+ return $gotWhite;
+ } else {
+ $this->match("", $m);
+ return strlen($m[0]) > 0;
+ }
+ }
+
+ // match something without consuming it
+ protected function peek($regex, &$out = null, $from=null) {
+ if (is_null($from)) $from = $this->count;
+ $r = '/'.$regex.'/Ais';
+ $result = preg_match($r, $this->buffer, $out, null, $from);
+
+ return $result;
+ }
+
+ // seek to a spot in the buffer or return where we are on no argument
+ protected function seek($where = null) {
+ if ($where === null) return $this->count;
+ else $this->count = $where;
+ return true;
+ }
+
+ /* misc functions */
+
+ public function throwError($msg = "parse error", $count = null) {
+ $count = is_null($count) ? $this->count : $count;
+
+ $line = $this->line +
+ substr_count(substr($this->buffer, 0, $count), "\n");
+
+ if (!empty($this->sourceName)) {
+ $loc = "$this->sourceName on line $line";
+ } else {
+ $loc = "line: $line";
+ }
+
+ // TODO this depends on $this->count
+ if ($this->peek("(.*?)(\n|$)", $m, $count)) {
+ throw new exception("$msg: failed at `$m[1]` $loc");
+ } else {
+ throw new exception("$msg: $loc");
+ }
+ }
+
+ protected function pushBlock($selectors=null, $type=null) {
+ $b = new stdclass;
+ $b->parent = $this->env;
+
+ $b->type = $type;
+ $b->id = self::$nextBlockId++;
+
+ $b->isVararg = false; // TODO: kill me from here
+ $b->tags = $selectors;
+
+ $b->props = array();
+ $b->children = array();
+
+ $this->env = $b;
+ return $b;
+ }
+
+ // push a block that doesn't multiply tags
+ protected function pushSpecialBlock($type) {
+ return $this->pushBlock(null, $type);
+ }
+
+ // append a property to the current block
+ protected function append($prop, $pos = null) {
+ if ($pos !== null) $prop[-1] = $pos;
+ $this->env->props[] = $prop;
+ }
+
+ // pop something off the stack
+ protected function pop() {
+ $old = $this->env;
+ $this->env = $this->env->parent;
+ return $old;
+ }
+
+ // remove comments from $text
+ // todo: make it work for all functions, not just url
+ protected function removeComments($text) {
+ $look = array(
+ 'url(', '//', '/*', '"', "'"
+ );
+
+ $out = '';
+ $min = null;
+ while (true) {
+ // find the next item
+ foreach ($look as $token) {
+ $pos = strpos($text, $token);
+ if ($pos !== false) {
+ if (!isset($min) || $pos < $min[1]) $min = array($token, $pos);
+ }
+ }
+
+ if (is_null($min)) break;
+
+ $count = $min[1];
+ $skip = 0;
+ $newlines = 0;
+ switch ($min[0]) {
+ case 'url(':
+ if (preg_match('/url\(.*?\)/', $text, $m, 0, $count))
+ $count += strlen($m[0]) - strlen($min[0]);
+ break;
+ case '"':
+ case "'":
+ if (preg_match('/'.$min[0].'.*?(?<!\\\\)'.$min[0].'/', $text, $m, 0, $count))
+ $count += strlen($m[0]) - 1;
+ break;
+ case '//':
+ $skip = strpos($text, "\n", $count);
+ if ($skip === false) $skip = strlen($text) - $count;
+ else $skip -= $count;
+ break;
+ case '/*':
+ if (preg_match('/\/\*.*?\*\//s', $text, $m, 0, $count)) {
+ $skip = strlen($m[0]);
+ $newlines = substr_count($m[0], "\n");
+ }
+ break;
+ }
+
+ if ($skip == 0) $count += strlen($min[0]);
+
+ $out .= substr($text, 0, $count).str_repeat("\n", $newlines);
+ $text = substr($text, $count + $skip);
+
+ $min = null;
+ }
+
+ return $out.$text;
+ }
+
+}
+
+class lessc_formatter_classic {
+ public $indentChar = " ";
+
+ public $break = "\n";
+ public $open = " {";
+ public $close = "}";
+ public $selectorSeparator = ", ";
+ public $assignSeparator = ":";
+
+ public $openSingle = " { ";
+ public $closeSingle = " }";
+
+ public $disableSingle = false;
+ public $breakSelectors = false;
+
+ public $compressColors = false;
+
+ public function __construct() {
+ $this->indentLevel = 0;
+ }
+
+ public function indentStr($n = 0) {
+ return str_repeat($this->indentChar, max($this->indentLevel + $n, 0));
+ }
+
+ public function property($name, $value) {
+ return $name . $this->assignSeparator . $value . ";";
+ }
+
+ protected function isEmpty($block) {
+ if (empty($block->lines)) {
+ foreach ($block->children as $child) {
+ if (!$this->isEmpty($child)) return false;
+ }
+
+ return true;
+ }
+ return false;
+ }
+
+ public function block($block) {
+ if ($this->isEmpty($block)) return;
+
+ $inner = $pre = $this->indentStr();
+
+ $isSingle = !$this->disableSingle &&
+ is_null($block->type) && count($block->lines) == 1;
+
+ if (!empty($block->selectors)) {
+ $this->indentLevel++;
+
+ if ($this->breakSelectors) {
+ $selectorSeparator = $this->selectorSeparator . $this->break . $pre;
+ } else {
+ $selectorSeparator = $this->selectorSeparator;
+ }
+
+ echo $pre .
+ implode($selectorSeparator, $block->selectors);
+ if ($isSingle) {
+ echo $this->openSingle;
+ $inner = "";
+ } else {
+ echo $this->open . $this->break;
+ $inner = $this->indentStr();
+ }
+
+ }
+
+ if (!empty($block->lines)) {
+ $glue = $this->break.$inner;
+ echo $inner . implode($glue, $block->lines);
+ if (!$isSingle && !empty($block->children)) {
+ echo $this->break;
+ }
+ }
+
+ foreach ($block->children as $child) {
+ $this->block($child);
+ }
+
+ if (!empty($block->selectors)) {
+ if (!$isSingle && empty($block->children)) echo $this->break;
+
+ if ($isSingle) {
+ echo $this->closeSingle . $this->break;
+ } else {
+ echo $pre . $this->close . $this->break;
+ }
+
+ $this->indentLevel--;
+ }
+ }
+}
+
+class lessc_formatter_compressed extends lessc_formatter_classic {
+ public $disableSingle = true;
+ public $open = "{";
+ public $selectorSeparator = ",";
+ public $assignSeparator = ":";
+ public $break = "";
+ public $compressColors = true;
+
+ public function indentStr($n = 0) {
+ return "";
+ }
+}
+
+class lessc_formatter_lessjs extends lessc_formatter_classic {
+ public $disableSingle = true;
+ public $breakSelectors = true;
+ public $assignSeparator = ": ";
+ public $selectorSeparator = ",";
+}
+
+
diff --git a/vendor/leafo/lessphp/lessify b/vendor/leafo/lessphp/lessify
new file mode 100644
index 00000000..becc5388
--- /dev/null
+++ b/vendor/leafo/lessphp/lessify
@@ -0,0 +1,23 @@
+#!/usr/bin/php
+<?php
+
+if (php_sapi_name() != "cli") {
+ err($fa.$argv[0]." must be run in the command line.");
+ exit(1);
+}
+$exe = array_shift($argv); // remove filename
+
+if (!$fname = array_shift($argv)) {
+ exit("Usage: ".$exe." input-file\n");
+}
+
+require "lessify.inc.php";
+
+try {
+ $parser = new lessify($fname);
+ echo $parser->parse();
+} catch (exception $e) {
+ exit("Fatal error: ".$e->getMessage()."\n");
+}
+
+
diff --git a/vendor/leafo/lessphp/lessify.inc.php b/vendor/leafo/lessphp/lessify.inc.php
new file mode 100644
index 00000000..91c14423
--- /dev/null
+++ b/vendor/leafo/lessphp/lessify.inc.php
@@ -0,0 +1,447 @@
+<?php
+/**
+ * lessify
+ * Convert a css file into a less file
+ * http://leafo.net/lessphp
+ * Copyright 2010, leaf corcoran <leafot@gmail.com>
+ *
+ * WARNING: THIS DOES NOT WORK ANYMORE. NEEDS TO BE UPDATED FOR
+ * LATEST VERSION OF LESSPHP.
+ *
+ */
+
+require "lessc.inc.php";
+
+//
+// check if the merge during mixin is overwriting values. should or should it not?
+//
+
+//
+// 1. split apart class tags
+//
+
+class easyparse {
+ var $buffer;
+ var $count;
+
+ function __construct($str) {
+ $this->count = 0;
+ $this->buffer = trim($str);
+ }
+
+ function seek($where = null) {
+ if ($where === null) return $this->count;
+ else $this->count = $where;
+ return true;
+ }
+
+ function preg_quote($what) {
+ return preg_quote($what, '/');
+ }
+
+ function match($regex, &$out, $eatWhitespace = true) {
+ $r = '/'.$regex.($eatWhitespace ? '\s*' : '').'/Ais';
+ if (preg_match($r, $this->buffer, $out, null, $this->count)) {
+ $this->count += strlen($out[0]);
+ return true;
+ }
+ return false;
+ }
+
+ function literal($what, $eatWhitespace = true) {
+ // this is here mainly prevent notice from { } string accessor
+ if ($this->count >= strlen($this->buffer)) return false;
+
+ // shortcut on single letter
+ if (!$eatWhitespace and strlen($what) == 1) {
+ if ($this->buffer{$this->count} == $what) {
+ $this->count++;
+ return true;
+ }
+ else return false;
+ }
+
+ return $this->match($this->preg_quote($what), $m, $eatWhitespace);
+ }
+
+}
+
+class tagparse extends easyparse {
+ static private $combinators = null;
+ static private $match_opts = null;
+
+ function parse() {
+ if (empty(self::$combinators)) {
+ self::$combinators = '('.implode('|', array_map(array($this, 'preg_quote'),
+ array('+', '>', '~'))).')';
+ self::$match_opts = '('.implode('|', array_map(array($this, 'preg_quote'),
+ array('=', '~=', '|=', '$=', '*='))).')';
+ }
+
+ // crush whitespace
+ $this->buffer = preg_replace('/\s+/', ' ', $this->buffer).' ';
+
+ $tags = array();
+ while ($this->tag($t)) $tags[] = $t;
+
+ return $tags;
+ }
+
+ static function compileString($string) {
+ list(, $delim, $str) = $string;
+ $str = str_replace($delim, "\\".$delim, $str);
+ $str = str_replace("\n", "\\\n", $str);
+ return $delim.$str.$delim;
+ }
+
+ static function compilePaths($paths) {
+ return implode(', ', array_map(array('self', 'compilePath'), $paths));
+ }
+
+ // array of tags
+ static function compilePath($path) {
+ return implode(' ', array_map(array('self', 'compileTag'), $path));
+ }
+
+
+ static function compileTag($tag) {
+ ob_start();
+ if (isset($tag['comb'])) echo $tag['comb']." ";
+ if (isset($tag['front'])) echo $tag['front'];
+ if (isset($tag['attr'])) {
+ echo '['.$tag['attr'];
+ if (isset($tag['op'])) {
+ echo $tag['op'].$tag['op_value'];
+ }
+ echo ']';
+ }
+ return ob_get_clean();
+ }
+
+ function string(&$out) {
+ $s = $this->seek();
+
+ if ($this->literal('"')) {
+ $delim = '"';
+ } elseif ($this->literal("'")) {
+ $delim = "'";
+ } else {
+ return false;
+ }
+
+ while (true) {
+ // step through letters looking for either end or escape
+ $buff = "";
+ $escapeNext = false;
+ $finished = false;
+ for ($i = $this->count; $i < strlen($this->buffer); $i++) {
+ $char = $this->buffer[$i];
+ switch ($char) {
+ case $delim:
+ if ($escapeNext) {
+ $buff .= $char;
+ $escapeNext = false;
+ break;
+ }
+ $finished = true;
+ break 2;
+ case "\\":
+ if ($escapeNext) {
+ $buff .= $char;
+ $escapeNext = false;
+ } else {
+ $escapeNext = true;
+ }
+ break;
+ case "\n":
+ if (!$escapeNext) {
+ break 3;
+ }
+
+ $buff .= $char;
+ $escapeNext = false;
+ break;
+ default:
+ if ($escapeNext) {
+ $buff .= "\\";
+ $escapeNext = false;
+ }
+ $buff .= $char;
+ }
+ }
+ if (!$finished) break;
+ $out = array('string', $delim, $buff);
+ $this->seek($i+1);
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ function tag(&$out) {
+ $s = $this->seek();
+ $tag = array();
+ if ($this->combinator($op)) $tag['comb'] = $op;
+
+ if (!$this->match('(.*?)( |$|\[|'.self::$combinators.')', $match)) {
+ $this->seek($s);
+ return false;
+ }
+
+ if (!empty($match[3])) {
+ // give back combinator
+ $this->count-=strlen($match[3]);
+ }
+
+ if (!empty($match[1])) $tag['front'] = $match[1];
+
+ if ($match[2] == '[') {
+ if ($this->ident($i)) {
+ $tag['attr'] = $i;
+
+ if ($this->match(self::$match_opts, $m) && $this->value($v)) {
+ $tag['op'] = $m[1];
+ $tag['op_value'] = $v;
+ }
+
+ if ($this->literal(']')) {
+ $out = $tag;
+ return true;
+ }
+ }
+ } elseif (isset($tag['front'])) {
+ $out = $tag;
+ return true;
+ }
+
+ $this->seek($s);
+ return false;
+ }
+
+ function ident(&$out) {
+ // [-]?{nmstart}{nmchar}*
+ // nmstart: [_a-z]|{nonascii}|{escape}
+ // nmchar: [_a-z0-9-]|{nonascii}|{escape}
+ if ($this->match('(-?[_a-z][_\w]*)', $m)) {
+ $out = $m[1];
+ return true;
+ }
+ return false;
+ }
+
+ function value(&$out) {
+ if ($this->string($str)) {
+ $out = $this->compileString($str);
+ return true;
+ } elseif ($this->ident($id)) {
+ $out = $id;
+ return true;
+ }
+ return false;
+ }
+
+
+ function combinator(&$op) {
+ if ($this->match(self::$combinators, $m)) {
+ $op = $m[1];
+ return true;
+ }
+ return false;
+ }
+}
+
+class nodecounter {
+ var $count = 0;
+ var $children = array();
+
+ var $name;
+ var $child_blocks;
+ var $the_block;
+
+ function __construct($name) {
+ $this->name = $name;
+ }
+
+ function dump($stack = null) {
+ if (is_null($stack)) $stack = array();
+ $stack[] = $this->getName();
+ echo implode(' -> ', $stack)." ($this->count)\n";
+ foreach ($this->children as $child) {
+ $child->dump($stack);
+ }
+ }
+
+ static function compileProperties($c, $block) {
+ foreach($block as $name => $value) {
+ if ($c->isProperty($name, $value)) {
+ echo $c->compileProperty($name, $value)."\n";
+ }
+ }
+ }
+
+ function compile($c, $path = null) {
+ if (is_null($path)) $path = array();
+ $path[] = $this->name;
+
+ $isVisible = !is_null($this->the_block) || !is_null($this->child_blocks);
+
+ if ($isVisible) {
+ echo $c->indent(implode(' ', $path).' {');
+ $c->indentLevel++;
+ $path = array();
+
+ if ($this->the_block) {
+ $this->compileProperties($c, $this->the_block);
+ }
+
+ if ($this->child_blocks) {
+ foreach ($this->child_blocks as $block) {
+ echo $c->indent(tagparse::compilePaths($block['__tags']).' {');
+ $c->indentLevel++;
+ $this->compileProperties($c, $block);
+ $c->indentLevel--;
+ echo $c->indent('}');
+ }
+ }
+ }
+
+ // compile child nodes
+ foreach($this->children as $node) {
+ $node->compile($c, $path);
+ }
+
+ if ($isVisible) {
+ $c->indentLevel--;
+ echo $c->indent('}');
+ }
+
+ }
+
+ function getName() {
+ if (is_null($this->name)) return "[root]";
+ else return $this->name;
+ }
+
+ function getNode($name) {
+ if (!isset($this->children[$name])) {
+ $this->children[$name] = new nodecounter($name);
+ }
+
+ return $this->children[$name];
+ }
+
+ function findNode($path) {
+ $current = $this;
+ for ($i = 0; $i < count($path); $i++) {
+ $t = tagparse::compileTag($path[$i]);
+ $current = $current->getNode($t);
+ }
+
+ return $current;
+ }
+
+ function addBlock($path, $block) {
+ $node = $this->findNode($path);
+ if (!is_null($node->the_block)) throw new exception("can this happen?");
+
+ unset($block['__tags']);
+ $node->the_block = $block;
+ }
+
+ function addToNode($path, $block) {
+ $node = $this->findNode($path);
+ $node->child_blocks[] = $block;
+ }
+}
+
+/**
+ * create a less file from a css file by combining blocks where appropriate
+ */
+class lessify extends lessc {
+ public function dump() {
+ print_r($this->env);
+ }
+
+ public function parse($str = null) {
+ $this->prepareParser($str ? $str : $this->buffer);
+ while (false !== $this->parseChunk());
+
+ $root = new nodecounter(null);
+
+ // attempt to preserve some of the block order
+ $order = array();
+
+ $visitedTags = array();
+ foreach (end($this->env) as $name => $block) {
+ if (!$this->isBlock($name, $block)) continue;
+ if (isset($visitedTags[$name])) continue;
+
+ foreach ($block['__tags'] as $t) {
+ $visitedTags[$t] = true;
+ }
+
+ // skip those with more than 1
+ if (count($block['__tags']) == 1) {
+ $p = new tagparse(end($block['__tags']));
+ $path = $p->parse();
+ $root->addBlock($path, $block);
+ $order[] = array('compressed', $path, $block);
+ continue;
+ } else {
+ $common = null;
+ $paths = array();
+ foreach ($block['__tags'] as $rawtag) {
+ $p = new tagparse($rawtag);
+ $paths[] = $path = $p->parse();
+ if (is_null($common)) $common = $path;
+ else {
+ $new_common = array();
+ foreach ($path as $tag) {
+ $head = array_shift($common);
+ if ($tag == $head) {
+ $new_common[] = $head;
+ } else break;
+ }
+ $common = $new_common;
+ if (empty($common)) {
+ // nothing in common
+ break;
+ }
+ }
+ }
+
+ if (!empty($common)) {
+ $new_paths = array();
+ foreach ($paths as $p) $new_paths[] = array_slice($p, count($common));
+ $block['__tags'] = $new_paths;
+ $root->addToNode($common, $block);
+ $order[] = array('compressed', $common, $block);
+ continue;
+ }
+
+ }
+
+ $order[] = array('none', $block['__tags'], $block);
+ }
+
+
+ $compressed = $root->children;
+ foreach ($order as $item) {
+ list($type, $tags, $block) = $item;
+ if ($type == 'compressed') {
+ $top = tagparse::compileTag(reset($tags));
+ if (isset($compressed[$top])) {
+ $compressed[$top]->compile($this);
+ unset($compressed[$top]);
+ }
+ } else {
+ echo $this->indent(implode(', ', $tags).' {');
+ $this->indentLevel++;
+ nodecounter::compileProperties($this, $block);
+ $this->indentLevel--;
+ echo $this->indent('}');
+ }
+ }
+ }
+}
diff --git a/vendor/leafo/lessphp/package.sh b/vendor/leafo/lessphp/package.sh
new file mode 100644
index 00000000..f0888f12
--- /dev/null
+++ b/vendor/leafo/lessphp/package.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# creates tar.gz for current version
+
+VERSION=`./plessc -v | sed -n 's/^v\(.*\)$/\1/p'`
+OUT_DIR="tmp/lessphp"
+TMP=`dirname $OUT_DIR`
+
+mkdir -p $OUT_DIR
+tar -c `git ls-files` | tar -C $OUT_DIR -x
+
+rm $OUT_DIR/.gitignore
+rm $OUT_DIR/package.sh
+rm $OUT_DIR/lessify
+rm $OUT_DIR/lessify.inc.php
+
+OUT_NAME="lessphp-$VERSION.tar.gz"
+tar -czf $OUT_NAME -C $TMP lessphp/
+echo "Wrote $OUT_NAME"
+
+rm -r $TMP
+
+
+echo
+echo "Don't forget to"
+echo "* Update the version in lessc.inc.php (two places)"
+echo "* Update the version in the README.md"
+echo "* Update the version in docs.md (two places)"
+echo "* Update the version in LICENSE"
+echo "* Update @current_version in site.moon"
+echo "* Add entry to feed.moon for changelog"
+echo "* Update the -New- area on homepage with date and features"
+echo
+
+
diff --git a/vendor/leafo/lessphp/plessc b/vendor/leafo/lessphp/plessc
new file mode 100644
index 00000000..1871dc77
--- /dev/null
+++ b/vendor/leafo/lessphp/plessc
@@ -0,0 +1,250 @@
+#!/usr/bin/env php
+<?php
+// Command line utility to compile LESS to STDOUT
+// Leaf Corcoran <leafot@gmail.com>, 2013
+
+$exe = array_shift($argv); // remove filename
+
+$HELP = <<<EOT
+Usage: $exe [options] input-file [output-file]
+
+Options include:
+
+ -h, --help Show this message
+ -v Print the version
+ -f=format Set the output format, includes "default", "compressed"
+ -c Keep /* */ comments in output
+ -r Read from STDIN instead of input-file
+ -w Watch input-file, and compile to output-file if it is changed
+ -T Dump formatted parse tree
+ -X Dump raw parse tree
+
+
+EOT;
+
+$opts = getopt('hvrwncXTf:', array('help'));
+while (count($argv) > 0 && preg_match('/^-([-hvrwncXT]$|[f]=)/', $argv[0])) {
+ array_shift($argv);
+}
+
+function has() {
+ global $opts;
+ foreach (func_get_args() as $arg) {
+ if (isset($opts[$arg])) return true;
+ }
+ return false;
+}
+
+if (has("h", "help")) {
+ exit($HELP);
+}
+
+error_reporting(E_ALL);
+$path = realpath(dirname(__FILE__)).'/';
+
+require $path."lessc.inc.php";
+
+$VERSION = lessc::$VERSION;
+
+$fa = "Fatal Error: ";
+function err($msg) {
+ fwrite(STDERR, $msg."\n");
+}
+
+if (php_sapi_name() != "cli") {
+ err($fa.$argv[0]." must be run in the command line.");
+ exit(1);
+}
+
+function make_less($fname = null) {
+ global $opts;
+ $l = new lessc($fname);
+
+ if (has("f")) {
+ $format = $opts["f"];
+ if ($format != "default") $l->setFormatter($format);
+ }
+
+ if (has("c")) {
+ $l->setPreserveComments(true);
+ }
+
+ return $l;
+}
+
+function process($data, $import = null) {
+ global $fa;
+
+ $l = make_less();
+ if ($import) $l->importDir = $import;
+
+ try {
+ echo $l->parse($data);
+ exit(0);
+ } catch (exception $ex) {
+ err($fa."\n".str_repeat('=', 20)."\n".
+ $ex->getMessage());
+ exit(1);
+ }
+}
+
+if (has("v")) {
+ exit($VERSION."\n");
+}
+
+if (has("r")) {
+ if (!empty($argv)) {
+ $data = $argv[0];
+ } else {
+ $data = "";
+ while (!feof(STDIN)) {
+ $data .= fread(STDIN, 8192);
+ }
+ }
+ exit(process($data));
+}
+
+if (has("w")) {
+ // need two files
+ if (!is_file($in = array_shift($argv)) ||
+ null == $out = array_shift($argv))
+ {
+ err($fa.$exe." -w infile outfile");
+ exit(1);
+ }
+
+ echo "Watching ".$in.
+ (has("n") ? ' with notifications' : '').
+ ", press Ctrl + c to exit.\n";
+
+ $cache = $in;
+ $last_action = 0;
+ while (true) {
+ clearstatcache();
+
+ // check if anything has changed since last fail
+ $updated = false;
+ if (is_array($cache)) {
+ foreach ($cache['files'] as $fname=>$_) {
+ if (filemtime($fname) > $last_action) {
+ $updated = true;
+ break;
+ }
+ }
+ } else $updated = true;
+
+ // try to compile it
+ if ($updated) {
+ $last_action = time();
+
+ try {
+ $cache = lessc::cexecute($cache);
+ echo "Writing updated file: ".$out."\n";
+ if (!file_put_contents($out, $cache['compiled'])) {
+ err($fa."Could not write to file ".$out);
+ exit(1);
+ }
+ } catch (exception $ex) {
+ echo "\nFatal Error:\n".str_repeat('=', 20)."\n".
+ $ex->getMessage()."\n\n";
+
+ if (has("n")) {
+ `notify-send -u critical "compile failed" "{$ex->getMessage()}"`;
+ }
+ }
+ }
+
+ sleep(1);
+ }
+ exit(0);
+}
+
+if (!$fname = array_shift($argv)) {
+ echo $HELP;
+ exit(1);
+}
+
+function dumpValue($node, $depth = 0) {
+ if (is_object($node)) {
+ $indent = str_repeat(" ", $depth);
+ $out = array();
+ foreach ($node->props as $prop) {
+ $out[] = $indent . dumpValue($prop, $depth + 1);
+ }
+ $out = implode("\n", $out);
+ if (!empty($node->tags)) {
+ $out = "+ ".implode(", ", $node->tags)."\n".$out;
+ }
+ return $out;
+ } elseif (is_array($node)) {
+ if (empty($node)) return "[]";
+ $type = $node[0];
+ if ($type == "block")
+ return dumpValue($node[1], $depth);
+
+ $out = array();
+ foreach ($node as $value) {
+ $out[] = dumpValue($value, $depth);
+ }
+ return "{ ".implode(", ", $out)." }";
+ } else {
+ if (is_string($node) && preg_match("/[\s,]/", $node)) {
+ return '"'.$node.'"';
+ }
+ return $node; // normal value
+ }
+}
+
+
+function stripValue($o, $toStrip) {
+ if (is_array($o) || is_object($o)) {
+ $isObject = is_object($o);
+ $o = (array)$o;
+ foreach ($toStrip as $removeKey) {
+ if (!empty($o[$removeKey])) {
+ $o[$removeKey] = "*stripped*";
+ }
+ }
+
+ foreach ($o as $k => $v) {
+ $o[$k] = stripValue($v, $toStrip);
+ }
+
+ if ($isObject) {
+ $o = (object)$o;
+ }
+ }
+
+ return $o;
+}
+
+function dumpWithoutParent($o, $alsoStrip=array()) {
+ $toStrip = array_merge(array("parent"), $alsoStrip);
+ print_r(stripValue($o, $toStrip));
+}
+
+try {
+ $less = make_less($fname);
+ if (has("T", "X")) {
+ $parser = new lessc_parser($less, $fname);
+ $tree = $parser->parse(file_get_contents($fname));
+ if (has("X"))
+ $out = print_r($tree, 1);
+ else
+ $out = dumpValue($tree)."\n";
+ } else {
+ $out = $less->parse();
+ }
+
+ if (!$fout = array_shift($argv)) {
+ echo $out;
+ } else {
+ file_put_contents($fout, $out);
+ }
+
+} catch (exception $ex) {
+ err($fa.$ex->getMessage());
+ exit(1);
+}
+
+?>
diff --git a/vendor/leafo/lessphp/tests/ApiTest.php b/vendor/leafo/lessphp/tests/ApiTest.php
new file mode 100644
index 00000000..fe1bbffa
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/ApiTest.php
@@ -0,0 +1,196 @@
+<?php
+
+require_once __DIR__ . "/../lessc.inc.php";
+
+class ApiTest extends PHPUnit_Framework_TestCase {
+ public function setUp() {
+ $this->less = new lessc();
+ $this->less->importDir = array(__DIR__ . "/inputs/test-imports");
+ }
+
+ public function testPreserveComments() {
+ $input = <<<EOD
+// what is going on?
+
+/** what the heck **/
+
+/**
+
+Here is a block comment
+
+**/
+
+
+// this is a comment
+
+/*hello*/div /*yeah*/ { //surew
+ border: 1px solid red; // world
+ /* comment above the first occurrence of a duplicated rule */
+ color: url('http://mage-page.com');
+ string: "hello /* this is not a comment */";
+ world: "// neither is this";
+ /* comment above the second occurrence of a duplicated rule */
+ color: url('http://mage-page.com');
+ string: 'hello /* this is not a comment */' /*what if this is a comment */;
+ world: '// neither is this' // hell world;
+ ;
+ /* duplicate comments are retained */
+ /* duplicate comments are retained */
+ what-ever: 100px;
+ background: url(/*this is not a comment?*/); // uhh what happens here
+}
+EOD;
+
+
+ $outputWithComments = <<<EOD
+/** what the heck **/
+/**
+
+Here is a block comment
+
+**/
+/*hello*/
+/*yeah*/
+div /*yeah*/ {
+ border: 1px solid red;
+ /* comment above the first occurrence of a duplicated rule */
+ /* comment above the second occurrence of a duplicated rule */
+ color: url('http://mage-page.com');
+ string: "hello /* this is not a comment */";
+ world: "// neither is this";
+ /*what if this is a comment */
+ string: 'hello /* this is not a comment */';
+ world: '// neither is this';
+ /* duplicate comments are retained */
+ /* duplicate comments are retained */
+ what-ever: 100px;
+ /*this is not a comment?*/
+ background: url();
+}
+EOD;
+
+ $outputWithoutComments = <<<EOD
+div {
+ border: 1px solid red;
+ color: url('http://mage-page.com');
+ string: "hello /* this is not a comment */";
+ world: "// neither is this";
+ string: 'hello /* this is not a comment */';
+ world: '// neither is this';
+ what-ever: 100px;
+ background: url(/*this is not a comment?*/);
+}
+EOD;
+
+ $this->assertEquals($this->compile($input), trim($outputWithoutComments));
+ $this->less->setPreserveComments(true);
+ $this->assertEquals($this->compile($input), trim($outputWithComments));
+ }
+
+ public function testOldInterface() {
+ $this->less = new lessc(__DIR__ . "/inputs/hi.less");
+ $out = $this->less->parse(array("hello" => "10px"));
+ $this->assertEquals(trim($out), trim('
+div:before {
+ content: "hi!";
+}'));
+
+ }
+
+ public function testInjectVars() {
+ $out = $this->less->parse(".magic { color: @color; width: @base - 200; }",
+ array(
+ 'color' => 'red',
+ 'base' => '960px'
+ ));
+
+ $this->assertEquals(trim($out), trim("
+.magic {
+ color: red;
+ width: 760px;
+}"));
+
+ }
+
+ public function testDisableImport() {
+ $this->less->importDisabled = true;
+ $this->assertEquals(
+ "/* import disabled */",
+ $this->compile("@import 'file3';"));
+ }
+
+ public function testUserFunction() {
+ $this->less->registerFunction("add-two", function($list) {
+ list($a, $b) = $list[2];
+ return $a[1] + $b[1];
+ });
+
+ $this->assertEquals(
+ $this->compile("result: add-two(10, 20);"),
+ "result: 30;");
+
+ return $this->less;
+ }
+
+ /**
+ * @depends testUserFunction
+ */
+ public function testUnregisterFunction($less) {
+ $less->unregisterFunction("add-two");
+
+ $this->assertEquals(
+ $this->compile("result: add-two(10, 20);"),
+ "result: add-two(10,20);");
+ }
+
+
+
+ public function testFormatters() {
+ $src = "
+ div, pre {
+ color: blue;
+ span, .big, hello.world {
+ height: 20px;
+ color:#ffffff + #000;
+ }
+ }";
+
+ $this->less->setFormatter("compressed");
+ $this->assertEquals(
+ $this->compile($src), "div,pre{color:blue;}div span,div .big,div hello.world,pre span,pre .big,pre hello.world{height:20px;color:#fff;}");
+
+ // TODO: fix the output order of tags
+ $this->less->setFormatter("lessjs");
+ $this->assertEquals(
+ $this->compile($src),
+"div,
+pre {
+ color: blue;
+}
+div span,
+div .big,
+div hello.world,
+pre span,
+pre .big,
+pre hello.world {
+ height: 20px;
+ color: #ffffff;
+}");
+
+ $this->less->setFormatter("classic");
+ $this->assertEquals(
+ $this->compile($src),
+trim("div, pre { color:blue; }
+div span, div .big, div hello.world, pre span, pre .big, pre hello.world {
+ height:20px;
+ color:#ffffff;
+}
+"));
+
+ }
+
+ public function compile($str) {
+ return trim($this->less->parse($str));
+ }
+
+}
diff --git a/vendor/leafo/lessphp/tests/ErrorHandlingTest.php b/vendor/leafo/lessphp/tests/ErrorHandlingTest.php
new file mode 100644
index 00000000..de02f065
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/ErrorHandlingTest.php
@@ -0,0 +1,81 @@
+<?php
+require_once __DIR__ . "/../lessc.inc.php";
+
+class ErrorHandlingTest extends PHPUnit_Framework_TestCase {
+ public function setUp() {
+ $this->less = new lessc();
+ }
+
+ public function compile() {
+ $source = join("\n", func_get_args());
+ return $this->less->compile($source);
+ }
+
+ /**
+ * @expectedException Exception
+ * @expectedExceptionMessage .parametric-mixin is undefined
+ */
+ public function testRequiredParametersMissing() {
+ $this->compile(
+ '.parametric-mixin (@a, @b) { a: @a; b: @b; }',
+ '.selector { .parametric-mixin(12px); }'
+ );
+ }
+
+ /**
+ * @expectedException Exception
+ * @expectedExceptionMessage .parametric-mixin is undefined
+ */
+ public function testTooManyParameters() {
+ $this->compile(
+ '.parametric-mixin (@a, @b) { a: @a; b: @b; }',
+ '.selector { .parametric-mixin(12px, 13px, 14px); }'
+ );
+ }
+
+ /**
+ * @expectedException Exception
+ * @expectedExceptionMessage unrecognised input
+ */
+ public function testRequiredArgumentsMissing() {
+ $this->compile('.selector { rule: e(); }');
+ }
+
+ /**
+ * @expectedException Exception
+ * @expectedExceptionMessage variable @missing is undefined
+ */
+ public function testVariableMissing() {
+ $this->compile('.selector { rule: @missing; }');
+ }
+
+ /**
+ * @expectedException Exception
+ * @expectedExceptionMessage .missing-mixin is undefined
+ */
+ public function testMixinMissing() {
+ $this->compile('.selector { .missing-mixin; }');
+ }
+
+ /**
+ * @expectedException Exception
+ * @expectedExceptionMessage .flipped is undefined
+ */
+ public function testGuardUnmatchedValue() {
+ $this->compile(
+ '.flipped(@x) when (@x =< 10) { rule: value; }',
+ '.selector { .flipped(12); }'
+ );
+ }
+
+ /**
+ * @expectedException Exception
+ * @expectedExceptionMessage .colors-only is undefined
+ */
+ public function testGuardUnmatchedType() {
+ $this->compile(
+ '.colors-only(@x) when (iscolor(@x)) { rule: value; }',
+ '.selector { .colors-only("string value"); }'
+ );
+ }
+}
diff --git a/vendor/leafo/lessphp/tests/InputTest.php b/vendor/leafo/lessphp/tests/InputTest.php
new file mode 100644
index 00000000..32db95bc
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/InputTest.php
@@ -0,0 +1,89 @@
+<?php
+
+require_once __DIR__ . "/../lessc.inc.php";
+
+// Runs all the tests in inputs/ and compares their output to ouputs/
+
+function _dump($value) {
+ fwrite(STDOUT, print_r($value, true));
+}
+
+function _quote($str) {
+ return preg_quote($str, "/");
+}
+
+class InputTest extends PHPUnit_Framework_TestCase {
+ protected static $importDirs = array("inputs/test-imports");
+
+ protected static $testDirs = array(
+ "inputs" => "outputs",
+ "inputs_lessjs" => "outputs_lessjs",
+ );
+
+ public function setUp() {
+ $this->less = new lessc();
+ $this->less->importDir = array_map(function($path) {
+ return __DIR__ . "/" . $path;
+ }, self::$importDirs);
+ }
+
+ /**
+ * @dataProvider fileNameProvider
+ */
+ public function testInputFile($inFname) {
+ if ($pattern = getenv("BUILD")) {
+ return $this->buildInput($inFname);
+ }
+
+ $outFname = self::outputNameFor($inFname);
+
+ if (!is_readable($outFname)) {
+ $this->fail("$outFname is missing, ".
+ "consider building tests with BUILD=true");
+ }
+
+ $input = file_get_contents($inFname);
+ $output = file_get_contents($outFname);
+
+ $this->assertEquals($output, $this->less->parse($input));
+ }
+
+ public function fileNameProvider() {
+ return array_map(function($a) { return array($a); },
+ self::findInputNames());
+ }
+
+ // only run when env is set
+ public function buildInput($inFname) {
+ $css = $this->less->parse(file_get_contents($inFname));
+ file_put_contents(self::outputNameFor($inFname), $css);
+ }
+
+ static public function findInputNames($pattern="*.less") {
+ $files = array();
+ foreach (self::$testDirs as $inputDir => $outputDir) {
+ $files = array_merge($files, glob(__DIR__ . "/" . $inputDir . "/" . $pattern));
+ }
+
+ return array_filter($files, "is_file");
+ }
+
+ static public function outputNameFor($input) {
+ $front = _quote(__DIR__ . "/");
+ $out = preg_replace("/^$front/", "", $input);
+
+ foreach (self::$testDirs as $inputDir => $outputDir) {
+ $in = _quote($inputDir . "/");
+ $rewritten = preg_replace("/$in/", $outputDir . "/", $out);
+ if ($rewritten != $out) {
+ $out = $rewritten;
+ break;
+ }
+ }
+
+ $out = preg_replace("/.less$/", ".css", $out);
+
+ return __DIR__ . "/" . $out;
+ }
+}
+
diff --git a/vendor/leafo/lessphp/tests/README.md b/vendor/leafo/lessphp/tests/README.md
new file mode 100644
index 00000000..85a75c05
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/README.md
@@ -0,0 +1,24 @@
+lessphp uses [phpunit](https://github.com/sebastianbergmann/phpunit/) for its tests
+
+* `InputTest.php` iterates through all the less files in `inputs/`, compiles
+ them, then compares the result with the respective file in `outputs/`.
+
+* `ApiTest.php` tests the behavior of lessphp's public API methods.
+
+* `ErrorHandlingTest.php` tests that lessphp throws appropriate errors when
+ given invalid LESS as input.
+
+From the root you can run `make` to run all the tests.
+
+## lessjs tests
+
+Tests found in `inputs_lessjs` are extracted directly from
+[less.js](https://github.com/less/less.js). The following license applies to
+those tests: https://github.com/less/less.js/blob/master/LICENSE
+
+## bootstrap.sh
+
+Clones twitter bootsrap, compiles it with lessc and lessphp, cleans up results
+with sort.php, and outputs diff. To run it, you need to have git and lessc
+installed.
+
diff --git a/vendor/leafo/lessphp/tests/bootstrap.sh b/vendor/leafo/lessphp/tests/bootstrap.sh
new file mode 100644
index 00000000..18a90e87
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/bootstrap.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+echo "This script clones Twitter Bootstrap, compiles it with lessc and lessphp,"
+echo "cleans up results with sort.php, and outputs diff. To run it, you need to"
+echo "have git and lessc installed."
+echo ""
+
+if [ -z "$input" ]; then
+ input="bootstrap/less/bootstrap.less"
+fi
+dest=$(basename "$input")
+dest="${dest%.*}"
+
+if [ -z "$@" ]; then
+ diff_tool="diff -b -u -t -B"
+else
+ diff_tool=$@
+fi
+
+mkdir -p tmp
+
+if [ ! -d 'bootstrap/' ]; then
+ echo ">> Cloning bootstrap to bootstrap/"
+ git clone https://github.com/twbs/bootstrap
+fi
+
+echo ">> lessc compilation ($input)"
+lessc "$input" "tmp/$dest.lessc.css"
+
+echo ">> lessphp compilation ($input)"
+../plessc "$input" "tmp/$dest.lessphp.css"
+echo ">> Cleanup and convert"
+
+php sort.php "tmp/$dest.lessc.css" > "tmp/$dest.lessc.clean.css"
+php sort.php "tmp/$dest.lessphp.css" > "tmp/$dest.lessphp.clean.css"
+
+echo ">> Doing diff"
+$diff_tool "tmp/$dest.lessc.clean.css" "tmp/$dest.lessphp.clean.css"
diff --git a/vendor/leafo/lessphp/tests/inputs/accessors.less.disable b/vendor/leafo/lessphp/tests/inputs/accessors.less.disable
new file mode 100644
index 00000000..2990faab
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/accessors.less.disable
@@ -0,0 +1,36 @@
+/* accessors */
+
+#defaults {
+ @width: 960px;
+ @color: black;
+ .something {
+ @space: 10px;
+ @hello {
+ color: green;
+ }
+ }
+}
+
+.article { color: #294366; }
+
+.comment {
+ width: #defaults[@width];
+ color: .article['color'];
+ padding: #defaults > .something[@space];
+}
+
+.wow {
+ height: .comment['width'];
+ background-color: .comment['color'];
+ color: #defaults > .something > @hello['color'];
+
+ padding: #defaults > non-existant['padding'];
+ margin: #defaults > .something['non-existant'];
+}
+
+.mix {
+ #defaults;
+ font-size: .something[@space];
+}
+
+
diff --git a/vendor/leafo/lessphp/tests/inputs/arity.less b/vendor/leafo/lessphp/tests/inputs/arity.less
new file mode 100644
index 00000000..9998fd4a
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/arity.less
@@ -0,0 +1,77 @@
+
+// simple arity
+
+.hello(@a) {
+ hello: one;
+}
+
+.hello(@a, @b) {
+ hello: two;
+}
+
+.hello(@a, @b, @c) {
+ hello: three;
+}
+
+
+.world(@a, @b, @c) {
+ world: three;
+}
+
+.world(@a, @b) {
+ world: two;
+}
+
+.world(@a) {
+ world: one;
+}
+
+.one {
+ .hello(1);
+ .world(1);
+}
+
+.two {
+ .hello(1, 1);
+ .world(1, 1);
+}
+
+.three {
+ .hello(1, 1, 1);
+ .world(1, 1, 1);
+}
+
+
+// arity with default values
+
+.foo(@a, @b: cool) {
+ foo: two @b;
+}
+
+.foo(@a, @b: cool, @c: yeah) {
+ foo: three @b @c;
+}
+
+
+.baz(@a, @b, @c: yeah) {
+ baz: three @c;
+}
+
+.baz(@a, @b: cool) {
+ baz: two @b;
+}
+
+
+.multi-foo {
+ .foo(1);
+ .foo(1, 1);
+ .foo(1,1,1);
+}
+
+.multi-baz {
+ .baz(1);
+ .baz(1, 1);
+ .baz(1,1,1);
+}
+
+
diff --git a/vendor/leafo/lessphp/tests/inputs/attributes.less b/vendor/leafo/lessphp/tests/inputs/attributes.less
new file mode 100644
index 00000000..7ede4fc4
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/attributes.less
@@ -0,0 +1,41 @@
+* { color: blue; }
+E { color: blue; }
+E[foo] { color: blue; }
+[foo] { color: blue; }
+[foo] .helloWorld { color: blue; }
+[foo].helloWorld { color: blue; }
+E[foo="barbar"] { color: blue; }
+E[foo~="hello#$@%@$#^"] { color: blue; }
+E[foo^="color: green;"] { color: blue; }
+E[foo$="239023"] { color: blue; }
+E[foo*="29302"] { color: blue; }
+E[foo|="239032"] { color: blue; }
+E:root { color: blue; }
+
+E:nth-child(odd) { color: blue; }
+E:nth-child(2n+1) { color: blue; }
+E:nth-child(5) { color: blue; }
+E:nth-last-child(-n+2) { color: blue; }
+E:nth-of-type(2n) { color: blue; }
+E:nth-last-of-type(n) { color: blue; }
+
+E:first-child { color: blue; }
+E:last-child { color: blue; }
+E:first-of-type { color: blue; }
+E:last-of-type { color: blue; }
+E:only-child { color: blue; }
+E:only-of-type { color: blue; }
+E:empty { color: blue; }
+
+E:lang(en) { color: blue; }
+E::first-line { color: blue; }
+E::before { color: blue; }
+
+E#id { color: blue; }
+E:not(:link) { color: blue; }
+
+E F { color: blue; }
+E > F { color: blue; }
+E + F { color: blue; }
+E ~ F { color: blue; }
+
diff --git a/vendor/leafo/lessphp/tests/inputs/builtins.less b/vendor/leafo/lessphp/tests/inputs/builtins.less
new file mode 100644
index 00000000..f9301e04
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/builtins.less
@@ -0,0 +1,96 @@
+// builtin
+
+@something: "hello world";
+@color: #112233;
+@color2: rgba(44,55,66, .6);
+
+body {
+ color: @something;
+
+ @num: 7 / 6;
+ num-basic: @num + 4;
+ num-floor: floor(@num) + 4px;
+ num-ceil: ceil(@num) + 4px;
+
+ @num2: 2 / 3;
+ num2: @num2;
+ num2-round: round(@num2);
+ num2-floor: floor(@num2);
+ num2-ceil: ceil(@num2);
+
+ round-lit: round(10px / 3);
+
+ rgba1: rgbahex(@color);
+ rgba2: rgbahex(@color2);
+ argb: argb(@color2);
+}
+
+
+format {
+ @r: 32;
+ format: %("rgb(%d, %d, %d)", @r, 128, 64);
+ format-string: %("hello %s", "world");
+ format-multiple: %("hello %s %d", "earth", 2);
+ format-url-encode: %('red is %A', #ff0000);
+ eformat: e(%("rgb(%d, %d, %d)", @r, 128, 64));
+}
+
+
+#functions {
+ str1: isstring("hello");
+ str2: isstring(one, two);
+
+ num1: isnumber(2323px);
+ num2: isnumber(2323);
+ num3: isnumber(4/5);
+ num4: isnumber("hello");
+
+ col1: iscolor(red);
+ col2: iscolor(hello);
+ col3: iscolor(rgba(0,0,0,0.3));
+ col4: iscolor(#fff);
+
+ key1: iskeyword(hello);
+ key2: iskeyword(3D);
+
+ px1: ispixel(10px);
+ px2: ispixel(10);
+
+ per1: ispercentage(10%);
+ per2: ispercentage(10);
+
+ em1: isem(10em);
+ em2: isem(10);
+
+ ex1: extract(1 2 3 4, 2);
+ ex2: extract(1 2, 1);
+ ex3: extract(1, 1);
+
+ @list: 1,2,3,4;
+
+ ex4: extract(@list, 2);
+
+ pow: pow(2,4);
+ pi: pi();
+ mod: mod(14,10);
+
+ tan: tan(1);
+ cos: cos(1);
+ sin: sin(1);
+
+ atan: atan(1);
+ acos: acos(1);
+ asin: asin(1);
+
+ sqrt: sqrt(8);
+}
+
+
+#unit {
+ @unit: "em";
+ unit-lit: unit(10px);
+ unit-arg: unit(10px, "s");
+ unit-arg2: unit(10px, @unit);
+ unit-math: unit(0.07407s) * 100%;
+}
+
diff --git a/vendor/leafo/lessphp/tests/inputs/colors.less b/vendor/leafo/lessphp/tests/inputs/colors.less
new file mode 100644
index 00000000..7fd47a3c
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/colors.less
@@ -0,0 +1,154 @@
+
+body {
+ color:rgb(red(#f00), red(#0F0), red(#00f));
+ color:rgb(red(#f00), green(#0F0), blue(#00f));
+ color:rgb(red(#0ff), green(#f0f), blue(#ff0));
+
+ color: hsl(34, 50%, 40%);
+ color: hsla(34, 50%, 40%, 0.3);
+
+ lighten1: lighten(#efefef, 10%);
+ lighten2: lighten(rgb(23, 53, 231), 22%);
+ lighten3: lighten(rgba(212, 103, 88, 0.5), 10%);
+
+ darken1: darken(#efefef, 10%);
+ darken2: darken(rgb(23, 53, 231), 22%);
+ darken3: darken(rgba(23, 53, 231, 0.5), 10%);
+
+ saturate1: saturate(#efefef, 10%);
+ saturate2: saturate(rgb(23, 53, 231), 22%);
+ saturate3: saturate(rgba(23, 53, 231, 0.5), 10%);
+
+ desaturate1: desaturate(#efefef, 10%);
+ desaturate2: desaturate(rgb(23, 53, 231), 22%);
+ desaturate3: desaturate(rgba(23, 53, 231, 0.5), 10%);
+
+ spin1: spin(#efefef, 12);
+ spin2: spin(rgb(23, 53, 231), 15);
+ spin3: spin(rgba(23, 53, 231, 0.5), 19);
+
+ spin2: spin(#efefef, -12);
+ spin3: spin(rgb(23, 53, 231), -15);
+ spin4: spin(rgba(23, 53, 231, 0.5), -19);
+
+ one1: fadein(#abcdef, 10%);
+ one2: fadeout(#abcdef, -10%);
+
+ two1: fadeout(#029f23, 10%);
+ two2: fadein(#029f23, -10%);
+
+
+ three1: fadein(rgba(1,2,3, 0.5), 10%);
+ three2: fadeout(rgba(1,2,3, 0.5), -10%);
+
+ four1: fadeout(rgba(1,2,3, 0), 10%);
+ four2: fadein(rgba(1,2,3, 0), -10%);
+
+ hue: hue(rgb(34,20,40));
+ sat: saturation(rgb(34,20,40));
+ lit: lightness(rgb(34,20,40));
+
+ @old: #34fa03;
+ @new: hsl(hue(@old), 45%, 90%);
+ what: @new;
+
+ zero1: saturate(#123456, -100%);
+ zero2: saturate(#123456, 100%);
+ zero3: saturate(#000000, 100%);
+ zero4: saturate(#ffffff, 100%);
+
+ zero5: lighten(#123456, -100%);
+ zero6: lighten(#123456, 100%);
+ zero7: lighten(#000000, 100%);
+ zero8: lighten(#ffffff, 100%);
+
+ zero9: spin(#123456, -100);
+ zeroa: spin(#123456, 100);
+ zerob: spin(#000000, 100);
+ zeroc: spin(#ffffff, 100);
+}
+
+
+alpha {
+ // g: alpha(red);
+ g1: alpha(rgba(0,0,0,0));
+ g2: alpha(rgb(155,55,0));
+}
+
+fade {
+ f1: fade(red, 50%);
+ f2: fade(#fff, 20%);
+ f3: fade(rgba(34,23,64,0.4), 50%);
+}
+
+@a: rgb(255,255,255);
+@b: rgb(0,0,0);
+
+.mix {
+ color1: mix(@a, @b, 50%);
+ color2: mix(@a, @b);
+ color3: mix(rgba(5,3,1,0.3), rgba(6,3,2, 0.8), 50%);
+}
+
+.contrast {
+ color1: contrast(#000, red, blue);
+ color2: contrast(#fff, red, blue);
+}
+
+.percent {
+ per: percentage(0.5);
+}
+
+// color keywords
+
+.colorz {
+ color1: whitesmoke - 10;
+ color2: spin(red, 34);
+ color3: spin(blah);
+}
+
+
+
+// purposfuly whacky to match less.js
+
+@color: #fcf8e3;
+
+body {
+ start: @color;
+ spin: spin(@color, -10); // #fcf4e3
+ chained: darken(spin(@color, -10), 3%); // gives #fbeed5, should be #fbefd5
+ direct: darken(#fcf4e3, 3%); // #fbefd5
+}
+
+// spin around
+pre {
+ @errorBackground: #f2dede;
+ spin: spin(@errorBackground, -10);
+}
+
+dd {
+ @white: #fff;
+ background-color: mix(@white, darken(@white, 10%), 60%);
+}
+
+// math
+
+.ops {
+ c1: red * 0.3;
+ c2: green / 2;
+ c3: purple % 7;
+ c4: 4 * salmon;
+ c5: 1 + salmon;
+
+ c6: 132 / red;
+ c7: 132 - red;
+ c8: 132- red;
+}
+
+.transparent {
+ r: red(transparent);
+ g: green(transparent);
+ b: blue(transparent);
+ a: alpha(transparent);
+}
+
diff --git a/vendor/leafo/lessphp/tests/inputs/compile_on_mixin.less b/vendor/leafo/lessphp/tests/inputs/compile_on_mixin.less
new file mode 100644
index 00000000..79d628f4
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/compile_on_mixin.less
@@ -0,0 +1,39 @@
+
+@mixin {
+ height: 22px;
+ ul {
+ height: 20px;
+ li {
+ @color: red;
+ height: 10px;
+ div span, link {
+ margin: 10px;
+ color: @color;
+ }
+ }
+
+ div, p {
+ border: 1px;
+ &.hello {
+ color: green;
+ }
+
+ :what {
+ color: blue;
+ }
+ }
+
+
+ a {
+ b {
+ color: blue;
+ }
+ }
+ }
+}
+
+
+
+body {
+ @mixin;
+}
diff --git a/vendor/leafo/lessphp/tests/inputs/data-uri.less b/vendor/leafo/lessphp/tests/inputs/data-uri.less
new file mode 100644
index 00000000..0cfa941a
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/data-uri.less
@@ -0,0 +1,7 @@
+.small {
+ background: data-uri("../hi.less");
+}
+
+.large {
+ background: data-uri('../../../lessc.inc.php');
+}
diff --git a/vendor/leafo/lessphp/tests/inputs/directives.less b/vendor/leafo/lessphp/tests/inputs/directives.less
new file mode 100644
index 00000000..1b3a9b58
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/directives.less
@@ -0,0 +1,28 @@
+
+@hello: "utf-8";
+@charset @hello;
+
+@-moz-document url-prefix(){
+ div {
+ color: red;
+ }
+}
+
+@page :left { margin-left: 4cm; }
+@page :right { margin-left: 3cm; }
+@page { margin: 2cm }
+
+@-ms-viewport {
+ width: device-width;
+}
+@-moz-viewport {
+ width: device-width;
+}
+@-o-viewport {
+ width: device-width;
+}
+@viewport {
+ width: device-width;
+}
+
+
diff --git a/vendor/leafo/lessphp/tests/inputs/escape.less b/vendor/leafo/lessphp/tests/inputs/escape.less
new file mode 100644
index 00000000..5c15e786
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/escape.less
@@ -0,0 +1,18 @@
+
+body {
+ @hello: "world";
+ e1: e("this is simple");
+ e2: e("this is simple", "cool lad");
+ e3: e(1232);
+ e4: e(@hello);
+ e5: e("one" + 'more');
+
+ t1: ~"eating rice";
+ t2: ~"string cheese";
+ t3: a b c ~"string me" d e f;
+ t4: ~"string @{hello}";
+}
+
+.class {
+ filter: ~"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='image.png')";
+}
diff --git a/vendor/leafo/lessphp/tests/inputs/font_family.less b/vendor/leafo/lessphp/tests/inputs/font_family.less
new file mode 100644
index 00000000..d1dfb72d
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/font_family.less
@@ -0,0 +1,28 @@
+
+@font-directory: 'fonts/';
+@some-family: Gentium;
+
+@font-face: maroon; // won't collide with @font-face { }
+
+@font-face {
+ font-family: Graublau Sans Web;
+ src: url(@{font-directory}GraublauWeb.otf) format("opentype");
+}
+
+@font-face {
+ font-family: @some-family;
+ src: url('@{font-directory}Gentium.ttf');
+}
+
+@font-face {
+ font-family: @some-family;
+ src: url("@{font-directory}GentiumItalic.ttf");
+ font-style: italic;
+}
+
+h2 {
+ font-family: @some-family;
+ crazy: @font-face;
+}
+
+
diff --git a/vendor/leafo/lessphp/tests/inputs/guards.less b/vendor/leafo/lessphp/tests/inputs/guards.less
new file mode 100644
index 00000000..fc4e344e
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/guards.less
@@ -0,0 +1,74 @@
+
+.simple(@hi) when (@hi) {
+ simple: yellow;
+}
+
+
+.something(@hi) when (@hi = cool) {
+ something: red;
+}
+
+.another(@x) when (@x > 10) {
+ another: green;
+}
+
+
+.flipped(@x) when (@x =< 10) {
+ flipped: teal;
+}
+
+.yeah(@arg) when (isnumber(@arg)) {
+ yeah-number: purple @arg;
+}
+
+
+.yeah(@arg) when (ispixel(@arg)) {
+ yeah-pixel: silver;
+}
+
+
+.hello(@arg) when not (@arg) {
+ hello: orange;
+}
+
+dd {
+ .simple(true);
+}
+
+b {
+ .something(cool);
+ .something(birthday);
+}
+
+img {
+ .another(12);
+ .flipped(2);
+}
+
+body {
+ .yeah(232px);
+ .yeah(232);
+}
+
+.something(@x) when (@x) and (@y), not (@x = what) {
+ something-complex: blue @x;
+}
+
+div {
+ @y: true;
+ .something(true);
+
+}
+
+.coloras(@g) when (iscolor(@g)) {
+ color: true @g;
+}
+
+link {
+ .coloras(red);
+ .coloras(#fff);
+ .coloras(#fffddd);
+ .coloras(rgb(0,0,0));
+ .coloras(rgba(0,0,0, .34));
+}
+
diff --git a/vendor/leafo/lessphp/tests/inputs/hacks.less b/vendor/leafo/lessphp/tests/inputs/hacks.less
new file mode 100644
index 00000000..e69b7bf9
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/hacks.less
@@ -0,0 +1,6 @@
+// css hacks
+
+:root .alert-message, :root .btn {
+ border-radius: 0 \0;
+}
+
diff --git a/vendor/leafo/lessphp/tests/inputs/hi.less b/vendor/leafo/lessphp/tests/inputs/hi.less
new file mode 100644
index 00000000..9a3d8198
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/hi.less
@@ -0,0 +1,5 @@
+
+div:before {
+ content: "hi!";
+}
+
diff --git a/vendor/leafo/lessphp/tests/inputs/ie.less b/vendor/leafo/lessphp/tests/inputs/ie.less
new file mode 100644
index 00000000..37a5f1f6
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/ie.less
@@ -0,0 +1,12 @@
+
+foo {
+ filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1, startColorstr=#c0ff3300, endColorstr=#ff000000);
+ filter:progid:DXImageTransform.Microsoft.gradient(GradientType=1, startColorstr=#c0ff3300, endColorstr=#ff000001);
+}
+
+
+foo {
+ filter: alpha(opacity=20);
+ filter: alpha(opacity=20, enabled=true);
+ filter: blaznicate(foo=bar, baz=bang bip, bart=#fa4600);
+}
diff --git a/vendor/leafo/lessphp/tests/inputs/import.less b/vendor/leafo/lessphp/tests/inputs/import.less
new file mode 100644
index 00000000..a5005674
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/import.less
@@ -0,0 +1,56 @@
+
+@import 'file1.less'; // file found and imported
+
+@import "not-found";
+
+@import "something.css" media;
+@import url("something.css") media;
+@import url(something.css) media, screen, print;
+
+@color: maroon;
+
+@import url(file2); // found and imported
+
+body {
+ line-height: 10em;
+ @colors;
+}
+
+div {
+ @color: fuchsia;
+ @import "file2";
+}
+
+
+.mixin-import() {
+ @import "file3";
+}
+
+.one {
+ .mixin-import();
+ color: blue;
+}
+
+.two {
+ .mixin-import();
+}
+
+
+#merge-import-mixins {
+ @import "a";
+ @import "b";
+ div { .just-a-class; }
+}
+
+
+@import "inner/file1";
+
+
+// test bubbling variables up from imports, while preserving order
+
+pre {
+ color: @someValue;
+}
+
+@import "file3";
+
diff --git a/vendor/leafo/lessphp/tests/inputs/interpolation.less b/vendor/leafo/lessphp/tests/inputs/interpolation.less
new file mode 100644
index 00000000..8aad0004
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/interpolation.less
@@ -0,0 +1,47 @@
+
+@cool-hello: "yes";
+@cool-yes: "okay";
+@var: "hello";
+
+div {
+ interp1: ~"@{cool-hello}";
+ interp2: ~"@{cool-@{var}}";
+ interp3: ~"@{cool-@{cool-@{var}}}";
+}
+
+// interpolation in selectors
+
+@hello: 10;
+@world: "yeah";
+
+@{hello}@{world} {
+ color: blue;
+}
+
+@{hello} {
+ color: blue;
+}
+
+hello world @{hello} {
+ color: red;
+}
+
+#@{world} {
+ color: "hello @{hello}";
+}
+
+
+@num: 3;
+
+[prop],
+[prop="value@{num}"],
+[prop*="val@{num}"],
+[|prop~="val@{num}"],
+[*|prop$="val@{num}"],
+[ns|prop^="val@{num}"],
+[@{num}^="val@{num}"],
+[@{num}=@{num}],
+[@{num}] {
+ attributes: yes;
+}
+
diff --git a/vendor/leafo/lessphp/tests/inputs/keyframes.less b/vendor/leafo/lessphp/tests/inputs/keyframes.less
new file mode 100644
index 00000000..e65a38b9
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/keyframes.less
@@ -0,0 +1,52 @@
+@keyframes 'bounce' {
+ from {
+ top: 100px;
+ animation-timing-function: ease-out;
+ }
+
+ 25% {
+ top: 50px;
+ animation-timing-function: ease-in;
+ }
+
+ 50% {
+ top: 100px;
+ animation-timing-function: ease-out;
+ }
+
+ 75% {
+ top: 75px;
+ animation-timing-function: ease-in;
+ }
+
+ to {
+ top: 100px;
+ }
+}
+
+@-webkit-keyframes flowouttoleft {
+ 0% { -webkit-transform: translateX(0) scale(1); }
+ 60%, 70% { -webkit-transform: translateX(0) scale(.7); }
+ 100% { -webkit-transform: translateX(-100%) scale(.7); }
+}
+
+div {
+ animation-name: 'diagonal-slide';
+ animation-duration: 5s;
+ animation-iteration-count: 10;
+}
+
+@keyframes 'diagonal-slide' {
+
+ from {
+ left: 0;
+ top: 0;
+ }
+
+ to {
+ left: 100px;
+ top: 100px;
+ }
+
+}
+
diff --git a/vendor/leafo/lessphp/tests/inputs/math.less b/vendor/leafo/lessphp/tests/inputs/math.less
new file mode 100644
index 00000000..db59d356
--- /dev/null
+++ b/vendor/leafo/lessphp/tests/inputs/math.less
@@ -0,0 +1,122 @@
+
+.unary {
+ // all operators are parsable as unary operators, anything
+ // but - throws an error right now though,
+
+ // this gives two numbers
+ sub: 10 -5;
+ // add: 10 +5; // error
+ // div: 10 /5; // error
+ // mul: 10 *5; // error
+}
+
+.spaces {
+ // we can make the parser do math by leaving out the
+ // space after the first value, or putting spaces on both sides
+
+ sub1: 10-5;
+ sub2: 10 - 5;
+
+ add1: 10+5;
+ add2: 10 + 5;
+
+ // div: 10/5; // this wont work, read on
+ div: 10 / 5;
+
+ mul1: 10*5;
+ mul2: 10 * 5;
+}
+
+// these properties have divison not in parenthases
+.supress-division {
+ border-radius: 10px / 10px;
+ border-radius: 10px/12px;
+ border-radius: hello (10px/10px) world;
+ @x: 10px;
+ font: @x/30 sans-serif;
+ font: 10px / 20px sans-serif;
+ font: 10px/22px sans-serif;
+ border-radius:0 15px 15px 15px / 0 50% 50% 50%;
+}
+
+
+.parens {
+ // if you are unsure, then just wrap the expression in parentheses and it will
+ // always evaluate.
+
+ // notice we no longer have unary operators, and these will evaluate
+ sub: (10 -5);
+ add: (10 +5);
+ div1: (10 /5);
+ div2: (10/5); // no longer interpreted as the shorthand
+ mul: (10 *5);
+}
+
+.keyword-names {
+ // watch out when doing math with keywords, - is a valid keyword character
+ @a: 100;
+ @b: 25;
+ @a-: "hello";
+ height: @a-@b; // here we get "hello" 25, not 75
+}
+
+
+.negation {
+ neg1: -(1px);
+ neg2: 0-(1px);
+
+ @something: 10;
+ neg3: -@something;
+}
+
+
+// and now here are the tests
+
+.test {
+ single1: (5);
+ single2: 5+(5);
+ single3: (5)+((5));
+
+ parens: (5 +(5)) -2;
+ // parens: ((5 +(5)) -2); // FAILS - fixme
+
+ math1: (5 + 5)*(2 / 1);
+ math2: (5+5)*(2/1);
+
+ complex1: 2 * (4 * (2 + (1 + 6))) - 1;
+ complex2: ((2+3)*(2+3) / (9-4)) + 1;
+ complex3: (2px + 4px) 1em 2px 2;
+
+ @var: (2 * 2);
+ var1: (2 * @var) 4 4 (@var * 1px);
+ var2: (@var * @var) * 6;
+ var3: 4 * (5 + 5) / 2 - (@var * 2);
+
+ com