- Update docu

1 files changed, 51 insertions, 0 deletions

diff --git a/ext/spl/internal/regexiterator.inc b/ext/spl/internal/regexiterator.inc
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+<?php
+
+/** @file regexiterator.inc
+ * @ingroup SPL
+ * @brief class RegexIterator
+ * @author  Marcus Boerger
+ * @date    2003 - 2006
+ *
+ * SPL - Standard PHP Library
+ */
+
+/**
+ * @brief   Regular expression filter for iterators
+ * @author  Marcus Boerger
+ * @version 1.0
+ * @since PHP 5.1
+ *
+ * This filter iterator assumes that the inner iterator 
+ */
+class RegexIterator implements FilterIterator
+{
+	const USE_KEY     = 0x00000001;
+	
+	private $regex;     /**< the regular expression to match against */
+	private $flags;     /**< special flags (USE_KEY) */
+
+	/**
+	 * Constructs a regular expression filter around an iterator whose 
+	 * elemnts or keys are strings.
+	 *
+	 * @param it     Object that implements at least
+	 */
+	function __construct(Iterator $it, $regex, $flags = 0) {
+		parent::__construct($it);
+		$this->regex = $regex;
+		$this->flags = $flags;
+	}
+
+	/**
+	 * Match current or key against regular expression.
+	 *
+	 * @return whether this is a match
+	 */
+	function accept()
+	{
+		$subject = ($this->flags & self::USE_KEY) ? parent::key() : parent::current();
+		return preg_match($this->regex, $subject);
+	}
+}
+
+?>
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