112 lines
2.5 KiB
PHP
112 lines
2.5 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\CssSelector\XPath;
|
|
|
|
/**
|
|
* XPath expression translator interface.
|
|
*
|
|
* This component is a port of the Python cssselect library,
|
|
* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
|
|
*
|
|
* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
|
|
*
|
|
* @internal
|
|
*/
|
|
class XPathExpr
|
|
{
|
|
private string $path;
|
|
private string $element;
|
|
private string $condition;
|
|
|
|
public function __construct(string $path = '', string $element = '*', string $condition = '', bool $starPrefix = false)
|
|
{
|
|
$this->path = $path;
|
|
$this->element = $element;
|
|
$this->condition = $condition;
|
|
|
|
if ($starPrefix) {
|
|
$this->addStarPrefix();
|
|
}
|
|
}
|
|
|
|
public function getElement(): string
|
|
{
|
|
return $this->element;
|
|
}
|
|
|
|
/**
|
|
* @return $this
|
|
*/
|
|
public function addCondition(string $condition): static
|
|
{
|
|
$this->condition = $this->condition ? sprintf('(%s) and (%s)', $this->condition, $condition) : $condition;
|
|
|
|
return $this;
|
|
}
|
|
|
|
public function getCondition(): string
|
|
{
|
|
return $this->condition;
|
|
}
|
|
|
|
/**
|
|
* @return $this
|
|
*/
|
|
public function addNameTest(): static
|
|
{
|
|
if ('*' !== $this->element) {
|
|
$this->addCondition('name() = '.Translator::getXpathLiteral($this->element));
|
|
$this->element = '*';
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* @return $this
|
|
*/
|
|
public function addStarPrefix(): static
|
|
{
|
|
$this->path .= '*/';
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Joins another XPathExpr with a combiner.
|
|
*
|
|
* @return $this
|
|
*/
|
|
public function join(string $combiner, self $expr): static
|
|
{
|
|
$path = $this->__toString().$combiner;
|
|
|
|
if ('*/' !== $expr->path) {
|
|
$path .= $expr->path;
|
|
}
|
|
|
|
$this->path = $path;
|
|
$this->element = $expr->element;
|
|
$this->condition = $expr->condition;
|
|
|
|
return $this;
|
|
}
|
|
|
|
public function __toString(): string
|
|
{
|
|
$path = $this->path.$this->element;
|
|
$condition = null === $this->condition || '' === $this->condition ? '' : '['.$this->condition.']';
|
|
|
|
return $path.$condition;
|
|
}
|
|
}
|