AttributeMatchingExtension.php in Zircon Profile 8.0

Namespace

Symfony\Component\CssSelector\XPath\Extension

File

vendor/symfony/css-selector/XPath/Extension/AttributeMatchingExtension.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\CssSelector\XPath\Extension;

use Symfony\Component\CssSelector\XPath\Translator;
use Symfony\Component\CssSelector\XPath\XPathExpr;

/**
 * XPath expression translator attribute extension.
 *
 * 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 <[e-mail]>
 */
class AttributeMatchingExtension extends AbstractExtension {

  /**
   * {@inheritdoc}
   */
  public function getAttributeMatchingTranslators() {
    return array(
      'exists' => array(
        $this,
        'translateExists',
      ),
      '=' => array(
        $this,
        'translateEquals',
      ),
      '~=' => array(
        $this,
        'translateIncludes',
      ),
      '|=' => array(
        $this,
        'translateDashMatch',
      ),
      '^=' => array(
        $this,
        'translatePrefixMatch',
      ),
      '$=' => array(
        $this,
        'translateSuffixMatch',
      ),
      '*=' => array(
        $this,
        'translateSubstringMatch',
      ),
      '!=' => array(
        $this,
        'translateDifferent',
      ),
    );
  }

  /**
   * @param XPathExpr $xpath
   * @param string    $attribute
   * @param string    $value
   *
   * @return XPathExpr
   */
  public function translateExists(XPathExpr $xpath, $attribute, $value) {
    return $xpath
      ->addCondition($attribute);
  }

  /**
   * @param XPathExpr $xpath
   * @param string    $attribute
   * @param string    $value
   *
   * @return XPathExpr
   */
  public function translateEquals(XPathExpr $xpath, $attribute, $value) {
    return $xpath
      ->addCondition(sprintf('%s = %s', $attribute, Translator::getXpathLiteral($value)));
  }

  /**
   * @param XPathExpr $xpath
   * @param string    $attribute
   * @param string    $value
   *
   * @return XPathExpr
   */
  public function translateIncludes(XPathExpr $xpath, $attribute, $value) {
    return $xpath
      ->addCondition($value ? sprintf('%1$s and contains(concat(\' \', normalize-space(%1$s), \' \'), %2$s)', $attribute, Translator::getXpathLiteral(' ' . $value . ' ')) : '0');
  }

  /**
   * @param XPathExpr $xpath
   * @param string    $attribute
   * @param string    $value
   *
   * @return XPathExpr
   */
  public function translateDashMatch(XPathExpr $xpath, $attribute, $value) {
    return $xpath
      ->addCondition(sprintf('%1$s and (%1$s = %2$s or starts-with(%1$s, %3$s))', $attribute, Translator::getXpathLiteral($value), Translator::getXpathLiteral($value . '-')));
  }

  /**
   * @param XPathExpr $xpath
   * @param string    $attribute
   * @param string    $value
   *
   * @return XPathExpr
   */
  public function translatePrefixMatch(XPathExpr $xpath, $attribute, $value) {
    return $xpath
      ->addCondition($value ? sprintf('%1$s and starts-with(%1$s, %2$s)', $attribute, Translator::getXpathLiteral($value)) : '0');
  }

  /**
   * @param XPathExpr $xpath
   * @param string    $attribute
   * @param string    $value
   *
   * @return XPathExpr
   */
  public function translateSuffixMatch(XPathExpr $xpath, $attribute, $value) {
    return $xpath
      ->addCondition($value ? sprintf('%1$s and substring(%1$s, string-length(%1$s)-%2$s) = %3$s', $attribute, strlen($value) - 1, Translator::getXpathLiteral($value)) : '0');
  }

  /**
   * @param XPathExpr $xpath
   * @param string    $attribute
   * @param string    $value
   *
   * @return XPathExpr
   */
  public function translateSubstringMatch(XPathExpr $xpath, $attribute, $value) {
    return $xpath
      ->addCondition($value ? sprintf('%1$s and contains(%1$s, %2$s)', $attribute, Translator::getXpathLiteral($value)) : '0');
  }

  /**
   * @param XPathExpr $xpath
   * @param string    $attribute
   * @param string    $value
   *
   * @return XPathExpr
   */
  public function translateDifferent(XPathExpr $xpath, $attribute, $value) {
    return $xpath
      ->addCondition(sprintf($value ? 'not(%1$s) or %1$s != %2$s' : '%s != %s', $attribute, Translator::getXpathLiteral($value)));
  }

  /**
   * {@inheritdoc}
   */
  public function getName() {
    return 'attribute-matching';
  }

}

Classes

Name	Description
AttributeMatchingExtension	XPath expression translator attribute extension.