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Diffstat (limited to 'vendor/ruflin/elastica/lib/Elastica/Util.php')
| -rw-r--r-- | vendor/ruflin/elastica/lib/Elastica/Util.php | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/vendor/ruflin/elastica/lib/Elastica/Util.php b/vendor/ruflin/elastica/lib/Elastica/Util.php new file mode 100644 index 00000000..679bd558 --- /dev/null +++ b/vendor/ruflin/elastica/lib/Elastica/Util.php @@ -0,0 +1,171 @@ +<?php + +namespace Elastica; + +use Elastica\JSON; + +/** + * Elastica tools + * + * @category Xodoa + * @package Elastica + * @author Nicolas Ruflin <spam@ruflin.com> + * @author Thibault Duplessis <thibault.duplessis@gmail.com> + * @author Oleg Zinchenko <olegz@default-value.com> + */ +class Util +{ + /** + * Replace the following reserved words: AND OR NOT + * and + * escapes the following terms: + - && || ! ( ) { } [ ] ^ " ~ * ? : \ + * + * @param string $term Query term to replace and escape + * @return string Replaced and escaped query term + * @link http://lucene.apache.org/java/2_4_0/queryparsersyntax.html#Boolean%20operators + * @link http://lucene.apache.org/java/2_4_0/queryparsersyntax.html#Escaping%20Special%20Characters + */ + public static function replaceBooleanWordsAndEscapeTerm($term) + { + $result = $term; + $result = self::replaceBooleanWords($result); + $result = self::escapeTerm($result); + + return $result; + } + + /** + * Escapes the following terms (because part of the query language) + * + - && || ! ( ) { } [ ] ^ " ~ * ? : \ + * + * @param string $term Query term to escape + * @return string Escaped query term + * @link http://lucene.apache.org/java/2_4_0/queryparsersyntax.html#Escaping%20Special%20Characters + */ + public static function escapeTerm($term) + { + $result = $term; + // \ escaping has to be first, otherwise escaped later once again + $chars = array('\\', '+', '-', '&&', '||', '!', '(', ')', '{', '}', '[', ']', '^', '"', '~', '*', '?', ':'); + + foreach ($chars as $char) { + $result = str_replace($char, '\\' . $char, $result); + } + + // since elasticsearch uses lucene 4.0 / needs to be escaped by \\ + $result = str_replace('/', '\\\\/', $result); + + return $result; + } + + /** + * Replace the following reserved words (because part of the query language) + * AND OR NOT + * + * @param string $term Query term to replace + * @return string Replaced query term + * @link http://lucene.apache.org/java/2_4_0/queryparsersyntax.html#Boolean%20operators + */ + public static function replaceBooleanWords($term) + { + $replacementMap = array('AND'=>'&&', 'OR'=>'||', 'NOT'=>'!'); + $result = strtr($term, $replacementMap); + + return $result; + } + + /** + * Converts a snake_case string to CamelCase + * + * For example: hello_world to HelloWorld + * + * @param string $string snake_case string + * @return string CamelCase string + */ + public static function toCamelCase($string) + { + return str_replace(" ", "", ucwords(str_replace("_", " ", $string))); + } + + /** + * Converts a CamelCase string to snake_case + * + * For Example HelloWorld to hello_world + * + * @param string $string CamelCase String to Convert + * @return string SnakeCase string + */ + public static function toSnakeCase($string) + { + $string = preg_replace('/([A-Z])/', '_$1', $string); + + return strtolower(substr($string,1)); + } + + /** + * Converts given time to format: 1995-12-31T23:59:59Z + * + * This is the lucene date format + * + * @param int $date Date input (could be string etc.) -> must be supported by strtotime + * @return string Converted date string + */ + public static function convertDate($date) + { + if (is_int($date)) { + $timestamp = $date; + } else { + $timestamp = strtotime($date); + } + $string = date('Y-m-d\TH:i:s\Z', $timestamp); + + return $string; + } + + /** + * Tries to guess the name of the param, based on its class + * Example: \Elastica\Filter\HasChildFilter => has_child + * + * @param string|object Class or Class name + * @return string parameter name + */ + public static function getParamName($class) + { + if (is_object($class)) { + $class = get_class($class); + } + + $parts = explode('\\', $class); + $last = array_pop($parts); + $last = preg_replace('/(Facet|Query|Filter)$/', '', $last); + $name = self::toSnakeCase($last); + + return $name; + } + + /** + * Converts Request to Curl console command + * + * @param Request $request + * @return string + */ + public static function convertRequestToCurlCommand(Request $request) + { + $message = 'curl -X' . strtoupper($request->getMethod()) . ' '; + $message .= '\'http://' . $request->getConnection()->getHost() . ':' . $request->getConnection()->getPort() . '/'; + $message .= $request->getPath(); + + $query = $request->getQuery(); + if (!empty($query)) { + $message .= '?' . http_build_query($query); + } + + $message .= '\''; + + $data = $request->getData(); + if (!empty($data)) { + $message .= ' -d \'' . JSON::stringify($data) . '\''; + } + return $message; + } +} |