import v1.0.0-RC4 | 2009-05-20
This commit is contained in:
141
libs/Zend/Dom/Query/Css2Xpath.php
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141
libs/Zend/Dom/Query/Css2Xpath.php
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Dom
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/**
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* Transform CSS selectors to XPath
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*
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* @package Zend_Dom
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* @subpackage Query
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* @copyright Copyright (C) 2007 - Present, Zend Technologies, Inc.
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* @license New BSD {@link http://framework.zend.com/license/new-bsd}
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* @version $Id: Css2Xpath.php 11013 2008-08-24 21:06:20Z thomas $
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*/
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class Zend_Dom_Query_Css2Xpath
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{
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/**
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* Transform CSS expression to XPath
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*
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* @param string $path
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* @return string
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*/
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public static function transform($path)
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{
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$path = (string) $path;
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if (strstr($path, ',')) {
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$paths = explode(',', $path);
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$expressions = array();
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foreach ($paths as $path) {
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$xpath = self::transform(trim($path));
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if (is_string($xpath)) {
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$expressions[] = $xpath;
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} elseif (is_array($xpath)) {
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$expressions = array_merge($expressions, $xpath);
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}
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}
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return $expressions;
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}
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$paths = array('//');
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$segments = preg_split('/\s+/', $path);
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foreach ($segments as $key => $segment) {
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$pathSegment = self::_tokenize($segment);
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if (0 == $key) {
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if (0 === strpos($pathSegment, '[contains(@class')) {
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$paths[0] .= '*' . $pathSegment;
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} else {
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$paths[0] .= $pathSegment;
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}
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continue;
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}
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if (0 === strpos($pathSegment, '[contains(@class')) {
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foreach ($paths as $key => $xpath) {
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$paths[$key] .= '//*' . $pathSegment;
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$paths[] = $xpath . $pathSegment;
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}
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} else {
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foreach ($paths as $key => $xpath) {
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$paths[$key] .= '//' . $pathSegment;
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}
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}
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}
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if (1 == count($paths)) {
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return $paths[0];
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}
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return implode(' | ', $paths);
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}
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/**
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* Tokenize CSS expressions to XPath
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*
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* @param string $expression
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* @return string
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*/
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protected static function _tokenize($expression)
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{
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// Child selectors
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$expression = str_replace('>', '/', $expression);
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// IDs
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$expression = preg_replace('|#([a-z][a-z0-9_-]*)|i', '[@id=\'$1\']', $expression);
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$expression = preg_replace('|(?<![a-z0-9_-])(\[@id=)|i', '*$1', $expression);
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// arbitrary attribute strict equality
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if (preg_match('|([a-z]+)\[([a-z0-9_-]+)=[\'"]([^\'"]+)[\'"]\]|i', $expression)) {
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$expression = preg_replace_callback(
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'|([a-z]+)\[([a-z0-9_-]+)=[\'"]([^\'"]+)[\'"]\]|i',
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create_function(
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'$matches',
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'return $matches[1] . "[@" . strtolower($matches[2]) . "=\'" . $matches[3] . "\']";'
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),
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$expression
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);
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}
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// arbitrary attribute contains full word
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if (preg_match('|([a-z]+)\[([a-z0-9_-]+)~=[\'"]([^\'"]+)[\'"]\]|i', $expression)) {
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$expression = preg_replace_callback(
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'|([a-z]+)\[([a-z0-9_-]+)~=[\'"]([^\'"]+)[\'"]\]|i',
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create_function(
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'$matches',
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'return $matches[1] . "[contains(@" . strtolower($matches[2]) . ", \' $matches[3] \')]";'
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),
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$expression
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);
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}
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// arbitrary attribute contains specified content
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if (preg_match('|([a-z]+)\[([a-z0-9_-]+)\*=[\'"]([^\'"]+)[\'"]\]|i', $expression)) {
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$expression = preg_replace_callback(
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'|([a-z]+)\[([a-z0-9_-]+)\*=[\'"]([^\'"]+)[\'"]\]|i',
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create_function(
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'$matches',
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'return $matches[1] . "[contains(@" . strtolower($matches[2]) . ", \'" . $matches[3] . "\')]";'
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),
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$expression
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);
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}
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// Classes
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$expression = preg_replace('|\.([a-z][a-z0-9_-]*)|i', "[contains(@class, ' \$1 ')]", $expression);
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return $expression;
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}
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}
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183
libs/Zend/Dom/Query/Result.php
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183
libs/Zend/Dom/Query/Result.php
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@ -0,0 +1,183 @@
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Dom
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* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/**
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* Results for DOM XPath query
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*
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* @package Zend_Dom
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* @subpackage Query
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* @uses Iterator
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* @copyright Copyright (C) 2008 - Present, Zend Technologies, Inc.
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* @license New BSD {@link http://framework.zend.com/license/new-bsd}
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* @version $Id: Result.php 12507 2008-11-10 16:29:09Z matthew $
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*/
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class Zend_Dom_Query_Result implements Iterator,Countable
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{
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/**
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* Number of results
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* @var int
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*/
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protected $_count;
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/**
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* CSS Selector query
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* @var string
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*/
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protected $_cssQuery;
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/**
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* @var DOMDocument
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*/
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protected $_document;
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/**
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* @var DOMNodeList
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*/
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protected $_nodeList;
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/**
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* Current iterator position
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* @var int
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*/
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protected $_position = 0;
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/**
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* @var DOMXPath
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*/
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protected $_xpath;
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/**
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* XPath query
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* @var string
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*/
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protected $_xpathQuery;
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/**
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* Constructor
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*
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* @param string $cssQuery
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* @param string|array $xpathQuery
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* @param DOMDocument $document
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* @param DOMNodeList $nodeList
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* @return void
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*/
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public function __construct($cssQuery, $xpathQuery, DOMDocument $document, DOMNodeList $nodeList)
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{
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$this->_cssQuery = $cssQuery;
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$this->_xpathQuery = $xpathQuery;
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$this->_document = $document;
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$this->_nodeList = $nodeList;
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}
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/**
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* Retrieve CSS Query
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*
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* @return string
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*/
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public function getCssQuery()
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{
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return $this->_cssQuery;
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}
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/**
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* Retrieve XPath query
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*
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* @return string
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*/
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public function getXpathQuery()
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{
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return $this->_xpathQuery;
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}
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/**
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* Retrieve DOMDocument
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*
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* @return DOMDocument
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*/
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public function getDocument()
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{
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return $this->_document;
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}
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/**
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* Iterator: rewind to first element
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*
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* @return void
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*/
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public function rewind()
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{
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$this->_position = 0;
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return $this->_nodeList->item(0);
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}
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/**
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* Iterator: is current position valid?
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*
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* @return bool
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*/
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public function valid()
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{
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if (in_array($this->_position, range(0, $this->_nodeList->length - 1)) && $this->_nodeList->length > 0) {
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return true;
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}
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return false;
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}
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/**
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* Iterator: return current element
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*
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* @return DOMElement
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*/
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public function current()
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{
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return $this->_nodeList->item($this->_position);
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}
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/**
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* Iterator: return key of current element
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*
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* @return int
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*/
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public function key()
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{
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return $this->_position;
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}
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/**
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* Iterator: move to next element
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*
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* @return void
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*/
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public function next()
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{
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++$this->_position;
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return $this->_nodeList->item($this->_position);
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}
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/**
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* Countable: get count
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*
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* @return int
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*/
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public function count()
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{
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return $this->_nodeList->length;
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}
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}
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