78 lines
1.7 KiB
PHP
78 lines
1.7 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\CssSelector\Node;
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use Symfony\Component\CssSelector\XPathExpr;
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/**
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* ElementNode represents a "namespace|element" node.
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*
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* This component is a port of the Python lxml library,
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* which is copyright Infrae and distributed under the BSD license.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class ElementNode implements NodeInterface
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{
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protected $namespace;
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protected $element;
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/**
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* Constructor.
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*
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* @param string $namespace Namespace
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* @param string $element Element
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*/
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public function __construct($namespace, $element)
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{
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$this->namespace = $namespace;
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$this->element = $element;
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}
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/**
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* {@inheritDoc}
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*/
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public function __toString()
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{
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return sprintf('%s[%s]', __CLASS__, $this->formatElement());
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}
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/**
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* Formats the element into a string.
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*
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* @return string Element as an XPath string
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*/
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public function formatElement()
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{
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if ($this->namespace == '*') {
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return $this->element;
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}
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return sprintf('%s|%s', $this->namespace, $this->element);
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}
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/**
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* {@inheritDoc}
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*/
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public function toXpath()
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{
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if ($this->namespace == '*') {
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$el = strtolower($this->element);
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} else {
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// FIXME: Should we lowercase here?
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$el = sprintf('%s:%s', $this->namespace, $this->element);
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}
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return new XPathExpr(null, null, $el);
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}
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}
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