Version 1

[yaffs-website] / vendor / symfony / validator / Constraints / Regex.php

diff --git a/vendor/symfony/validator/Constraints/Regex.php b/vendor/symfony/validator/Constraints/Regex.php
new file mode 100644 (file)
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+++ b/vendor/symfony/validator/Constraints/Regex.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\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * @Annotation
+ * @Target({"PROPERTY", "METHOD", "ANNOTATION"})
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class Regex extends Constraint
+{
+    const REGEX_FAILED_ERROR = 'de1e3db3-5ed4-4941-aae4-59f3667cc3a3';
+
+    protected static $errorNames = array(
+        self::REGEX_FAILED_ERROR => 'REGEX_FAILED_ERROR',
+    );
+
+    public $message = 'This value is not valid.';
+    public $pattern;
+    public $htmlPattern;
+    public $match = true;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getDefaultOption()
+    {
+        return 'pattern';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getRequiredOptions()
+    {
+        return array('pattern');
+    }
+
+    /**
+     * Converts the htmlPattern to a suitable format for HTML5 pattern.
+     * Example: /^[a-z]+$/ would be converted to [a-z]+
+     * However, if options are specified, it cannot be converted.
+     *
+     * Pattern is also ignored if match=false since the pattern should
+     * then be reversed before application.
+     *
+     * @see http://dev.w3.org/html5/spec/single-page.html#the-pattern-attribute
+     *
+     * @return string|null
+     */
+    public function getHtmlPattern()
+    {
+        // If htmlPattern is specified, use it
+        if (null !== $this->htmlPattern) {
+            return empty($this->htmlPattern)
+                ? null
+                : $this->htmlPattern;
+        }
+
+        // Quit if delimiters not at very beginning/end (e.g. when options are passed)
+        if ($this->pattern[0] !== $this->pattern[strlen($this->pattern) - 1]) {
+            return;
+        }
+
+        $delimiter = $this->pattern[0];
+
+        // Unescape the delimiter
+        $pattern = str_replace('\\'.$delimiter, $delimiter, substr($this->pattern, 1, -1));
+
+        // If the pattern is inverted, we can simply wrap it in
+        // ((?!pattern).)*
+        if (!$this->match) {
+            return '((?!'.$pattern.').)*';
+        }
+
+        // If the pattern contains an or statement, wrap the pattern in
+        // .*(pattern).* and quit. Otherwise we'd need to parse the pattern
+        if (false !== strpos($pattern, '|')) {
+            return '.*('.$pattern.').*';
+        }
+
+        // Trim leading ^, otherwise prepend .*
+        $pattern = '^' === $pattern[0] ? substr($pattern, 1) : '.*'.$pattern;
+
+        // Trim trailing $, otherwise append .*
+        $pattern = '$' === $pattern[strlen($pattern) - 1] ? substr($pattern, 0, -1) : $pattern.'.*';
+
+        return $pattern;
+    }
+}