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adding zend project folders into old campcaster.

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naomiaro 2010-12-07 14:19:27 -05:00
parent 56abfaf28e
commit 7ef0c18b26
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library/Zend/Dom/Query/Css2Xpath.php Normal file
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Dom
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/**
* Transform CSS selectors to XPath
*
* @package Zend_Dom
* @subpackage Query
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Css2Xpath.php 20480 2010-01-21 17:46:20Z matthew $
*/
class Zend_Dom_Query_Css2Xpath
{
/**
* Transform CSS expression to XPath
*
* @param string $path
* @return string
*/
public static function transform($path)
{
$path = (string) $path;
if (strstr($path, ',')) {
$paths = explode(',', $path);
$expressions = array();
foreach ($paths as $path) {
$xpath = self::transform(trim($path));
if (is_string($xpath)) {
$expressions[] = $xpath;
} elseif (is_array($xpath)) {
$expressions = array_merge($expressions, $xpath);
}
}
return implode('|', $expressions);
}
$paths = array('//');
$path = preg_replace('|\s+>\s+|', '>', $path);
$segments = preg_split('/\s+/', $path);
foreach ($segments as $key => $segment) {
$pathSegment = self::_tokenize($segment);
if (0 == $key) {
if (0 === strpos($pathSegment, '[contains(@class')) {
$paths[0] .= '*' . $pathSegment;
} else {
$paths[0] .= $pathSegment;
}
continue;
}
if (0 === strpos($pathSegment, '[contains(@class')) {
foreach ($paths as $key => $xpath) {
$paths[$key] .= '//*' . $pathSegment;
$paths[] = $xpath . $pathSegment;
}
} else {
foreach ($paths as $key => $xpath) {
$paths[$key] .= '//' . $pathSegment;
}
}
}
if (1 == count($paths)) {
return $paths[0];
}
return implode('|', $paths);
}
/**
* Tokenize CSS expressions to XPath
*
* @param string $expression
* @return string
*/
protected static function _tokenize($expression)
{
// Child selectors
$expression = str_replace('>', '/', $expression);
// IDs
$expression = preg_replace('|#([a-z][a-z0-9_-]*)|i', '[@id=\'$1\']', $expression);
$expression = preg_replace('|(?<![a-z0-9_-])(\[@id=)|i', '*$1', $expression);
// arbitrary attribute strict equality
if (preg_match('|([a-z]+)\[([a-z0-9_-]+)=[\'"]([^\'"]+)[\'"]\]|i', $expression)) {
$expression = preg_replace_callback(
'|([a-z]+)\[([a-z0-9_-]+)=[\'"]([^\'"]+)[\'"]\]|i',
create_function(
'$matches',
'return $matches[1] . "[@" . strtolower($matches[2]) . "=\'" . $matches[3] . "\']";'
),
$expression
);
}
// arbitrary attribute contains full word
if (preg_match('|([a-z]+)\[([a-z0-9_-]+)~=[\'"]([^\'"]+)[\'"]\]|i', $expression)) {
$expression = preg_replace_callback(
'|([a-z]+)\[([a-z0-9_-]+)~=[\'"]([^\'"]+)[\'"]\]|i',
create_function(
'$matches',
'return $matches[1] . "[contains(@" . strtolower($matches[2]) . ", \' $matches[3] \')]";'
),
$expression
);
}
// arbitrary attribute contains specified content
if (preg_match('|([a-z]+)\[([a-z0-9_-]+)\*=[\'"]([^\'"]+)[\'"]\]|i', $expression)) {
$expression = preg_replace_callback(
'|([a-z]+)\[([a-z0-9_-]+)\*=[\'"]([^\'"]+)[\'"]\]|i',
create_function(
'$matches',
'return $matches[1] . "[contains(@" . strtolower($matches[2]) . ", \'" . $matches[3] . "\')]";'
),
$expression
);
}
// Classes
$expression = preg_replace('|\.([a-z][a-z0-9_-]*)|i', "[contains(@class, ' \$1 ')]", $expression);
return $expression;
}
}