/vendor/symfony/src/Symfony/Component/DomCrawler/Link.php
PHP | 157 lines | 64 code | 20 blank | 73 comment | 10 complexity | 2f884e3ec79719561c9132b5aed3941f MD5 | raw file
Possible License(s): Apache-2.0, JSON, LGPL-2.1, LGPL-2.0, LGPL-3.0, BSD-3-Clause, BSD-2-Clause
- <?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\DomCrawler;
-
- /**
- * Link represents an HTML link (an HTML a tag).
- *
- * @author Fabien Potencier <fabien@symfony.com>
- *
- * @api
- */
- class Link
- {
- /**
- * @var \DOMNode A \DOMNode instance
- */
- protected $node;
- /**
- * @var string The method to use for the link
- */
- protected $method;
- /**
- * @var string The URI of the page where the link is embedded (or the base href)
- */
- protected $currentUri;
-
- /**
- * Constructor.
- *
- * @param \DOMNode $node A \DOMNode instance
- * @param string $currentUri The URI of the page where the link is embedded (or the base href)
- * @param string $method The method to use for the link (get by default)
- *
- * @throws \InvalidArgumentException if the node is not a link
- *
- * @api
- */
- public function __construct(\DOMNode $node, $currentUri, $method = 'GET')
- {
- if (!in_array(substr($currentUri, 0, 4), array('http', 'file'))) {
- throw new \InvalidArgumentException(sprintf('Current URI must be an absolute URL ("%s").', $currentUri));
- }
-
- $this->setNode($node);
- $this->method = $method ? strtoupper($method) : null;
- $this->currentUri = $currentUri;
- }
-
- /**
- * Gets the node associated with this link.
- *
- * @return \DOMNode A \DOMNode instance
- */
- public function getNode()
- {
- return $this->node;
- }
-
- /**
- * Gets the method associated with this link.
- *
- * @return string The method
- *
- * @api
- */
- public function getMethod()
- {
- return $this->method;
- }
-
- /**
- * Gets the URI associated with this link.
- *
- * @return string The URI
- *
- * @api
- */
- public function getUri()
- {
- $uri = trim($this->getRawUri());
-
- // absolute URL?
- if (0 === strpos($uri, 'http')) {
- return $uri;
- }
-
- // empty URI
- if (!$uri) {
- return $this->currentUri;
- }
-
- // only an anchor
- if ('#' === $uri[0]) {
- $baseUri = $this->currentUri;
- if (false !== $pos = strpos($baseUri, '#')) {
- $baseUri = substr($baseUri, 0, $pos);
- }
-
- return $baseUri.$uri;
- }
-
- // only a query string
- if ('?' === $uri[0]) {
- $baseUri = $this->currentUri;
-
- // remove the query string from the current uri
- if (false !== $pos = strpos($baseUri, '?')) {
- $baseUri = substr($baseUri, 0, $pos);
- }
-
- return $baseUri.$uri;
- }
-
- // absolute path
- if ('/' === $uri[0]) {
- return preg_replace('#^(.*?//[^/]+)(?:\/.*)?$#', '$1', $this->currentUri).$uri;
- }
-
- // relative path
- return substr($this->currentUri, 0, strrpos($this->currentUri, '/') + 1).$uri;
- }
-
- /**
- * Returns raw uri data
- *
- * @return string
- */
- protected function getRawUri()
- {
- return $this->node->getAttribute('href');
- }
-
- /**
- * Sets current \DOMNode instance
- *
- * @param \DOMNode $node A \DOMNode instance
- *
- * @throws \LogicException If given node is not an anchor
- */
- protected function setNode(\DOMNode $node)
- {
- if ('a' != $node->nodeName) {
- throw new \LogicException(sprintf('Unable to click on a "%s" tag.', $node->nodeName));
- }
-
- $this->node = $node;
- }
- }