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-rw-r--r--includes/Message.php194
1 files changed, 161 insertions, 33 deletions
diff --git a/includes/Message.php b/includes/Message.php
index 72232ec9..87349ff5 100644
--- a/includes/Message.php
+++ b/includes/Message.php
@@ -48,9 +48,8 @@
* $escaped = wfMessage( 'key' )->rawParams( 'apple' )->escaped();
* </pre>
*
- * TODO:
+ * @todo
* - test, can we have tests?
- * - sort out the details marked with fixme
*
* @since 1.17
* @author Niklas Laxström
@@ -65,6 +64,8 @@ class Message {
/**
* In which language to get this message. Overrides the $interface
* variable.
+ *
+ * @var Language
*/
protected $language = null;
@@ -95,8 +96,13 @@ class Message {
protected $useDatabase = true;
/**
+ * Title object to use as context
+ */
+ protected $title = null;
+
+ /**
* Constructor.
- * @param $key String: message key
+ * @param $key: message key, or array of message keys to try and use the first non-empty message for
* @param $params Array message parameters
* @return Message: $this
*/
@@ -122,12 +128,37 @@ class Message {
}
/**
+ * Factory function accepting multiple message keys and returning a message instance
+ * for the first message which is non-empty. If all messages are empty then an
+ * instance of the first message key is returned.
+ * @param Varargs: message keys
+ * @return Message: $this
+ */
+ public static function newFallbackSequence( /*...*/ ) {
+ $keys = func_get_args();
+ if ( func_num_args() == 1 ) {
+ if ( is_array($keys[0]) ) {
+ // Allow an array to be passed as the first argument instead
+ $keys = array_values($keys[0]);
+ } else {
+ // Optimize a single string to not need special fallback handling
+ $keys = $keys[0];
+ }
+ }
+ return new self( $keys );
+ }
+
+ /**
* Adds parameters to the parameter list of this message.
* @param Varargs: parameters as Strings
* @return Message: $this
*/
public function params( /*...*/ ) {
- $args_values = array_values( func_get_args() );
+ $args = func_get_args();
+ if ( isset( $args[0] ) && is_array( $args[0] ) ) {
+ $args = $args[0];
+ }
+ $args_values = array_values( $args );
$this->parameters = array_merge( $this->parameters, $args_values );
return $this;
}
@@ -142,6 +173,9 @@ class Message {
*/
public function rawParams( /*...*/ ) {
$params = func_get_args();
+ if ( isset( $params[0] ) && is_array( $params[0] ) ) {
+ $params = $params[0];
+ }
foreach( $params as $param ) {
$this->parameters[] = self::rawParam( $param );
}
@@ -149,6 +183,23 @@ class Message {
}
/**
+ * Add parameters that are numeric and will be passed through
+ * Language::formatNum before substitution
+ * @param Varargs: numeric parameters
+ * @return Message: $this
+ */
+ public function numParams( /*...*/ ) {
+ $params = func_get_args();
+ if ( isset( $params[0] ) && is_array( $params[0] ) ) {
+ $params = $params[0];
+ }
+ foreach( $params as $param ) {
+ $this->parameters[] = self::numParam( $param );
+ }
+ return $this;
+ }
+
+ /**
* Request the message in any language that is supported.
* As a side effect interface message status is unconditionally
* turned off.
@@ -156,7 +207,7 @@ class Message {
* @return Message: $this
*/
public function inLanguage( $lang ) {
- if( $lang instanceof Language ){
+ if ( $lang instanceof Language || $lang instanceof StubUserLang ) {
$this->language = $lang;
} elseif ( is_string( $lang ) ) {
if( $this->language->getCode() != $lang ) {
@@ -173,10 +224,17 @@ class Message {
}
/**
- * Request the message in the wiki's content language.
+ * Request the message in the wiki's content language,
+ * unless it is disabled for this message.
+ * @see $wgForceUIMsgAsContentMsg
* @return Message: $this
*/
public function inContentLanguage() {
+ global $wgForceUIMsgAsContentMsg;
+ if ( in_array( $this->key, (array)$wgForceUIMsgAsContentMsg ) ) {
+ return $this;
+ }
+
global $wgContLang;
$this->interface = false;
$this->language = $wgContLang;
@@ -194,13 +252,18 @@ class Message {
}
/**
+ * Set the Title object to use as context when transforming the message
+ *
+ * @param $title Title object
+ * @return Message: $this
+ */
+ public function title( $title ) {
+ $this->title = $title;
+ return $this;
+ }
+
+ /**
* Returns the message parsed from wikitext to HTML.
- * TODO: in PHP >= 5.2.0, we can make this a magic method,
- * and then we can do, eg:
- * $foo = Message::get($key);
- * $string = "<abbr>$foo</abbr>";
- * But we shouldn't implement that while MediaWiki still supports
- * PHP < 5.2; or people will start using it...
* @return String: HTML
*/
public function toString() {
@@ -221,9 +284,8 @@ class Message {
} elseif( $this->format === 'text' ){
$string = $this->transformText( $string );
} elseif( $this->format === 'escaped' ){
- # FIXME: Sanitizer method here?
$string = $this->transformText( $string );
- $string = htmlspecialchars( $string );
+ $string = htmlspecialchars( $string, ENT_QUOTES, 'UTF-8', false );
}
# Raw parameter replacement
@@ -231,6 +293,16 @@ class Message {
return $string;
}
+
+ /**
+ * Magic method implementation of the above (for PHP >= 5.2.0), so we can do, eg:
+ * $foo = Message::get($key);
+ * $string = "<abbr>$foo</abbr>";
+ * @return String
+ */
+ public function __toString() {
+ return $this->toString();
+ }
/**
* Fully parse the text from wikitext to HTML
@@ -286,23 +358,53 @@ class Message {
return $this->fetchMessage() !== false;
}
+ /**
+ * Check whether a message does not exist, or is an empty string
+ * @return Bool: true if is is and false if not
+ * @todo FIXME: Merge with isDisabled()?
+ */
+ public function isBlank() {
+ $message = $this->fetchMessage();
+ return $message === false || $message === '';
+ }
+
+ /**
+ * Check whether a message does not exist, is an empty string, or is "-"
+ * @return Bool: true if is is and false if not
+ */
+ public function isDisabled() {
+ $message = $this->fetchMessage();
+ return $message === false || $message === '' || $message === '-';
+ }
+
+ /**
+ * @param $value
+ * @return array
+ */
public static function rawParam( $value ) {
return array( 'raw' => $value );
}
/**
+ * @param $value
+ * @return array
+ */
+ public static function numParam( $value ) {
+ return array( 'num' => $value );
+ }
+
+ /**
* Substitutes any paramaters into the message text.
- * @param $message String, the message text
+ * @param $message String: the message text
* @param $type String: either before or after
* @return String
*/
protected function replaceParameters( $message, $type = 'before' ) {
$replacementKeys = array();
foreach( $this->parameters as $n => $param ) {
- if ( $type === 'before' && !is_array( $param ) ) {
- $replacementKeys['$' . ($n + 1)] = $param;
- } elseif ( $type === 'after' && isset( $param['raw'] ) ) {
- $replacementKeys['$' . ($n + 1)] = $param['raw'];
+ list( $paramType, $value ) = $this->extractParam( $param );
+ if ( $type === $paramType ) {
+ $replacementKeys['$' . ($n + 1)] = $value;
}
}
$message = strtr( $message, $replacementKeys );
@@ -310,27 +412,41 @@ class Message {
}
/**
+ * Extracts the parameter type and preprocessed the value if needed.
+ * @param $param String|Array: Parameter as defined in this class.
+ * @return Tuple(type, value)
+ * @throws MWException
+ */
+ protected function extractParam( $param ) {
+ if ( is_array( $param ) && isset( $param['raw'] ) ) {
+ return array( 'after', $param['raw'] );
+ } elseif ( is_array( $param ) && isset( $param['num'] ) ) {
+ // Replace number params always in before step for now.
+ // No support for combined raw and num params
+ return array( 'before', $this->language->formatNum( $param['num'] ) );
+ } elseif ( !is_array( $param ) ) {
+ return array( 'before', $param );
+ } else {
+ throw new MWException( "Invalid message parameter" );
+ }
+ }
+
+ /**
* Wrapper for what ever method we use to parse wikitext.
* @param $string String: Wikitext message contents
- * @return Wikitext parsed into HTML
+ * @return string Wikitext parsed into HTML
*/
protected function parseText( $string ) {
- global $wgOut, $wgLang, $wgContLang;
- if ( $this->language !== $wgLang && $this->language !== $wgContLang ) {
- # FIXME: remove this limitation
- throw new MWException( 'Can only parse in interface or content language' );
- }
- return $wgOut->parse( $string, /*linestart*/true, $this->interface );
+ return MessageCache::singleton()->parse( $string, $this->title, /*linestart*/true, $this->interface, $this->language )->getText();
}
/**
* Wrapper for what ever method we use to {{-transform wikitext.
* @param $string String: Wikitext message contents
- * @return Wikitext with {{-constructs replaced with their values.
+ * @return string Wikitext with {{-constructs replaced with their values.
*/
protected function transformText( $string ) {
- global $wgMessageCache;
- return $wgMessageCache->transform( $string, $this->interface, $this->language );
+ return MessageCache::singleton()->transform( $string, $this->interface, $this->language, $this->title );
}
/**
@@ -340,7 +456,7 @@ class Message {
protected function getMessageText() {
$message = $this->fetchMessage();
if ( $message === false ) {
- return '&lt;' . htmlspecialchars( $this->key ) . '&gt;';
+ return '&lt;' . htmlspecialchars( is_array($this->key) ? $this->key[0] : $this->key ) . '&gt;';
} else {
return $message;
}
@@ -348,13 +464,25 @@ class Message {
/**
* Wrapper for what ever method we use to get message contents
+ *
+ * @return string
*/
protected function fetchMessage() {
if ( !isset( $this->message ) ) {
- global $wgMessageCache;
- $this->message = $wgMessageCache->get( $this->key, $this->useDatabase, $this->language );
+ $cache = MessageCache::singleton();
+ if ( is_array($this->key) ) {
+ foreach ( $this->key as $key ) {
+ $message = $cache->get( $key, $this->useDatabase, $this->language );
+ if ( $message !== false && $message !== '' ) {
+ break;
+ }
+ }
+ $this->message = $message;
+ } else {
+ $this->message = $cache->get( $this->key, $this->useDatabase, $this->language );
+ }
}
return $this->message;
}
-} \ No newline at end of file
+}