/protected/extensions/doctrine/vendors/Symfony/Component/CssSelector/Node/PseudoNode.php
PHP | 228 lines | 100 code | 29 blank | 99 comment | 9 complexity | 9e86dc81578335f6835afeb7981edba9 MD5 | raw file
Possible License(s): BSD-2-Clause, LGPL-2.1, BSD-3-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\CssSelector\Node;
- use Symfony\Component\CssSelector\Exception\ParseException;
- /**
- * PseudoNode represents a "selector:ident" node.
- *
- * This component is a port of the Python lxml library,
- * which is copyright Infrae and distributed under the BSD license.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
- class PseudoNode implements NodeInterface
- {
- static protected $unsupported = array(
- 'indeterminate', 'first-line', 'first-letter',
- 'selection', 'before', 'after', 'link', 'visited',
- 'active', 'focus', 'hover',
- );
- protected $element;
- protected $type;
- protected $ident;
- /**
- * Constructor.
- *
- * @param NodeInterface $element The NodeInterface element
- * @param string $type Node type
- * @param string $ident The ident
- *
- * @throws ParseException When incorrect PseudoNode type is given
- */
- public function __construct($element, $type, $ident)
- {
- $this->element = $element;
- if (!in_array($type, array(':', '::'))) {
- throw new ParseException(sprintf('The PseudoNode type can only be : or :: (%s given).', $type));
- }
- $this->type = $type;
- $this->ident = $ident;
- }
- /**
- * {@inheritDoc}
- */
- public function __toString()
- {
- return sprintf('%s[%s%s%s]', __CLASS__, $this->element, $this->type, $this->ident);
- }
- /**
- * {@inheritDoc}
- * @throws ParseException When unsupported or unknown pseudo-class is found
- */
- public function toXpath()
- {
- $elXpath = $this->element->toXpath();
- if (in_array($this->ident, self::$unsupported)) {
- throw new ParseException(sprintf('The pseudo-class %s is unsupported', $this->ident));
- }
- $method = 'xpath_'.str_replace('-', '_', $this->ident);
- if (!method_exists($this, $method)) {
- throw new ParseException(sprintf('The pseudo-class %s is unknown', $this->ident));
- }
- return $this->$method($elXpath);
- }
- /**
- * @param XPathExpr $xpath The XPath expression
- *
- * @return XPathExpr The modified XPath expression
- */
- protected function xpath_checked($xpath)
- {
- // FIXME: is this really all the elements?
- $xpath->addCondition("(@selected or @checked) and (name(.) = 'input' or name(.) = 'option')");
- return $xpath;
- }
- /**
- * @param XPathExpr $xpath The XPath expression
- *
- * @return XPathExpr The modified XPath expression
- *
- * @throws ParseException If this element is the root element
- */
- protected function xpath_root($xpath)
- {
- // if this element is the root element
- throw new ParseException();
- }
- /**
- * Marks this XPath expression as the first child.
- *
- * @param XPathExpr $xpath The XPath expression
- *
- * @return XPathExpr The modified expression
- */
- protected function xpath_first_child($xpath)
- {
- $xpath->addStarPrefix();
- $xpath->addNameTest();
- $xpath->addCondition('position() = 1');
- return $xpath;
- }
- /**
- * Sets the XPath to be the last child.
- *
- * @param XPathExpr $xpath The XPath expression
- *
- * @return XPathExpr The modified expression
- */
- protected function xpath_last_child($xpath)
- {
- $xpath->addStarPrefix();
- $xpath->addNameTest();
- $xpath->addCondition('position() = last()');
- return $xpath;
- }
- /**
- * Sets the XPath expression to be the first of type.
- *
- * @param XPathExpr $xpath The XPath expression
- *
- * @return XPathExpr The modified expression
- */
- protected function xpath_first_of_type($xpath)
- {
- if ($xpath->getElement() == '*') {
- throw new ParseException('*:first-of-type is not implemented');
- }
- $xpath->addStarPrefix();
- $xpath->addCondition('position() = 1');
- return $xpath;
- }
- /**
- * Sets the XPath expression to be the last of type.
- *
- * @param XPathExpr $xpath The XPath expression
- *
- * @return XPathExpr The modified expression
- *
- * @throws ParseException Because *:last-of-type is not implemented
- */
- protected function xpath_last_of_type($xpath)
- {
- if ($xpath->getElement() == '*') {
- throw new ParseException('*:last-of-type is not implemented');
- }
- $xpath->addStarPrefix();
- $xpath->addCondition('position() = last()');
- return $xpath;
- }
- /**
- * Sets the XPath expression to be the only child.
- *
- * @param XPathExpr $xpath The XPath expression
- *
- * @return XPathExpr The modified expression
- */
- protected function xpath_only_child($xpath)
- {
- $xpath->addNameTest();
- $xpath->addStarPrefix();
- $xpath->addCondition('last() = 1');
- return $xpath;
- }
- /**
- * Sets the XPath expression to be only of type.
- *
- * @param XPathExpr $xpath The XPath expression
- *
- * @return XPathExpr The modified expression
- *
- * @throws ParseException Because *:only-of-type is not implemented
- */
- protected function xpath_only_of_type($xpath)
- {
- if ($xpath->getElement() == '*') {
- throw new ParseException('*:only-of-type is not implemented');
- }
- $xpath->addCondition('last() = 1');
- return $xpath;
- }
- /**
- * undocumented function
- *
- * @param XPathExpr $xpath The XPath expression
- *
- * @return XPathExpr The modified expression
- */
- protected function xpath_empty($xpath)
- {
- $xpath->addCondition('not(*) and not(normalize-space())');
- return $xpath;
- }
- }