Source of file AttributeMatchingExtension.php
Size: 4,818 Bytes - Last Modified: 2013-07-17T08:22:21+02:00
/home/theseer/Downloads/Symfony/vendor/symfony/symfony/src/Symfony/Component/CssSelector/XPath/Extension/AttributeMatchingExtension.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174 | <?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\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 cssselector library, * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. * * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> */ 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'; } } |