Manipulator.php in Zircon Profile 8.0
Same filename and directory in other branches
Namespace
Behat\Mink\Selector\XpathFile
vendor/behat/mink/src/Selector/Xpath/Manipulator.phpView source
<?php
/*
* This file is part of the Mink package.
* (c) Konstantin Kudryashov <ever.zet@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Behat\Mink\Selector\Xpath;
/**
* XPath manipulation utility.
*
* @author Graham Bates
* @author Christophe Coevoet <stof@notk.org>
*/
class Manipulator {
/**
* Regex to find union operators not inside brackets.
*/
const UNION_PATTERN = '/\\|(?![^\\[]*\\])/';
/**
* Prepends the XPath prefix to the given XPath.
*
* The returned XPath will match elements matching the XPath inside an element
* matching the prefix.
*
* @param string $xpath
* @param string $prefix
*
* @return string
*/
public function prepend($xpath, $prefix) {
$expressions = array();
// If the xpath prefix contains a union we need to wrap it in parentheses.
if (preg_match(self::UNION_PATTERN, $prefix)) {
$prefix = '(' . $prefix . ')';
}
// Split any unions into individual expressions.
foreach (preg_split(self::UNION_PATTERN, $xpath) as $expression) {
$expression = trim($expression);
$parenthesis = '';
// If the union is inside some braces, we need to preserve the opening braces and apply
// the prefix only inside it.
if (preg_match('/^[\\(\\s*]+/', $expression, $matches)) {
$parenthesis = $matches[0];
$expression = substr($expression, strlen($parenthesis));
}
// add prefix before element selector
if (0 === strpos($expression, '/')) {
$expression = $prefix . $expression;
}
else {
$expression = $prefix . '/' . $expression;
}
$expressions[] = $parenthesis . $expression;
}
return implode(' | ', $expressions);
}
}
Classes
Name | Description |
---|---|
Manipulator | XPath manipulation utility. |