From c4dd7a1a684490673e25aaf4fabec5df138854c4 Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@baserock.org>
Date: Thu, 14 Mar 2013 05:42:27 +0000
Subject: Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.

---
 ext/spl/internal/seekableiterator.inc | 48 +++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 ext/spl/internal/seekableiterator.inc

(limited to 'ext/spl/internal/seekableiterator.inc')

diff --git a/ext/spl/internal/seekableiterator.inc b/ext/spl/internal/seekableiterator.inc
new file mode 100644
index 0000000..b4f66bd
--- /dev/null
+++ b/ext/spl/internal/seekableiterator.inc
@@ -0,0 +1,48 @@
+<?php
+
+/** @file seekableiterator.inc
+ * @ingroup SPL
+ * @brief class SeekableIterator
+ * @author  Marcus Boerger
+ * @date    2003 - 2009
+ *
+ * SPL - Standard PHP Library
+ */
+
+/** @brief seekable iterator
+ * @author  Marcus Boerger
+ * @version 1.0
+ * @since PHP 5.0
+ *
+ * Turns a normal iterator ino a seekable iterator. When there is a way
+ * to seek on an iterator LimitIterator can use this to efficiently rewind
+ * to offset.
+ */
+interface SeekableIterator extends Iterator
+{
+	/** Seek to an absolute position
+	 *
+	 * \param $index position to seek to
+	 * \return void
+	 *
+	 * The method should throw an exception if it is not possible to seek to 
+	 * the given position. Typically this exception should be of type 
+	 * OutOfBoundsException.
+	 \code
+	function seek($index);
+		$this->rewind();
+		$position = 0;
+		while($position < $index && $this->valid()) {
+			$this->next();
+			$position++;
+		}
+		if (!$this->valid()) {
+			throw new OutOfBoundsException('Invalid seek position');
+		}
+	}
+	 \endcode
+	 */
+	function seek($index);
+}
+
+?>
\ No newline at end of file
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