122 lines
3.3 KiB
PHP
122 lines
3.3 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\DomCrawler;
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/**
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* Any HTML element that can link to an URI.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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abstract class AbstractUriElement
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{
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/**
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* @var \DOMElement
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*/
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protected $node;
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/**
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* @var string|null The method to use for the element
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*/
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protected $method;
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/**
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* @var string The URI of the page where the element is embedded (or the base href)
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*/
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protected $currentUri;
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/**
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* @param \DOMElement $node A \DOMElement instance
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* @param string|null $currentUri The URI of the page where the link is embedded (or the base href)
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* @param string|null $method The method to use for the link (GET by default)
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*
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* @throws \InvalidArgumentException if the node is not a link
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*/
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public function __construct(\DOMElement $node, string $currentUri = null, ?string $method = 'GET')
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{
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$this->setNode($node);
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$this->method = $method ? strtoupper($method) : null;
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$this->currentUri = $currentUri;
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$elementUriIsRelative = null === parse_url(trim($this->getRawUri()), \PHP_URL_SCHEME);
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$baseUriIsAbsolute = null !== $this->currentUri && \in_array(strtolower(substr($this->currentUri, 0, 4)), ['http', 'file']);
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if ($elementUriIsRelative && !$baseUriIsAbsolute) {
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throw new \InvalidArgumentException(sprintf('The URL of the element is relative, so you must define its base URI passing an absolute URL to the constructor of the "%s" class ("%s" was passed).', __CLASS__, $this->currentUri));
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}
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}
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/**
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* Gets the node associated with this link.
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*/
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public function getNode(): \DOMElement
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{
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return $this->node;
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}
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/**
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* Gets the method associated with this link.
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*/
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public function getMethod(): string
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{
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return $this->method ?? 'GET';
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}
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/**
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* Gets the URI associated with this link.
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*/
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public function getUri(): string
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{
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return UriResolver::resolve($this->getRawUri(), $this->currentUri);
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}
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/**
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* Returns raw URI data.
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*/
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abstract protected function getRawUri(): string;
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/**
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* Returns the canonicalized URI path (see RFC 3986, section 5.2.4).
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*
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* @param string $path URI path
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*/
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protected function canonicalizePath(string $path): string
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{
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if ('' === $path || '/' === $path) {
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return $path;
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}
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if (str_ends_with($path, '.')) {
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$path .= '/';
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}
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$output = [];
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foreach (explode('/', $path) as $segment) {
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if ('..' === $segment) {
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array_pop($output);
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} elseif ('.' !== $segment) {
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$output[] = $segment;
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}
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}
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return implode('/', $output);
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}
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/**
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* Sets current \DOMElement instance.
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*
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* @param \DOMElement $node A \DOMElement instance
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*
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* @throws \LogicException If given node is not an anchor
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*/
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abstract protected function setNode(\DOMElement $node);
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}
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