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[yaffs-website] / vendor / symfony / css-selector / XPath / Extension / AttributeMatchingExtension.php

diff --git a/vendor/symfony/css-selector/XPath/Extension/AttributeMatchingExtension.php b/vendor/symfony/css-selector/XPath/Extension/AttributeMatchingExtension.php
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+++ b/vendor/symfony/css-selector/XPath/Extension/AttributeMatchingExtension.php
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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';
+    }
+}