| /vendor/symfony/css-selector/XPath/Extension/AttributeMatchingExtension.php |
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| @@ -0,0 +1,175 @@ |
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| <?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 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'; |
| } |
| } |
