123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119 |
- <?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 cssselect library,
- * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
- *
- * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
- *
- * @internal
- */
- class AttributeMatchingExtension extends AbstractExtension
- {
- /**
- * {@inheritdoc}
- */
- public function getAttributeMatchingTranslators()
- {
- return [
- 'exists' => [$this, 'translateExists'],
- '=' => [$this, 'translateEquals'],
- '~=' => [$this, 'translateIncludes'],
- '|=' => [$this, 'translateDashMatch'],
- '^=' => [$this, 'translatePrefixMatch'],
- '$=' => [$this, 'translateSuffixMatch'],
- '*=' => [$this, 'translateSubstringMatch'],
- '!=' => [$this, 'translateDifferent'],
- ];
- }
- public function translateExists(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
- {
- return $xpath->addCondition($attribute);
- }
- public function translateEquals(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
- {
- return $xpath->addCondition(sprintf('%s = %s', $attribute, Translator::getXpathLiteral($value)));
- }
- public function translateIncludes(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
- {
- return $xpath->addCondition($value ? sprintf(
- '%1$s and contains(concat(\' \', normalize-space(%1$s), \' \'), %2$s)',
- $attribute,
- Translator::getXpathLiteral(' '.$value.' ')
- ) : '0');
- }
- public function translateDashMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
- {
- 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.'-')
- ));
- }
- public function translatePrefixMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
- {
- return $xpath->addCondition($value ? sprintf(
- '%1$s and starts-with(%1$s, %2$s)',
- $attribute,
- Translator::getXpathLiteral($value)
- ) : '0');
- }
- public function translateSuffixMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
- {
- 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');
- }
- public function translateSubstringMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
- {
- return $xpath->addCondition($value ? sprintf(
- '%1$s and contains(%1$s, %2$s)',
- $attribute,
- Translator::getXpathLiteral($value)
- ) : '0');
- }
- public function translateDifferent(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
- {
- 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';
- }
- }
|