1 files changed, 67 insertions, 0 deletions
diff --git a/includes/pear/Text/Diff/Renderer/unified.php b/includes/pear/Text/Diff/Renderer/unified.php
new file mode 100644
index 0000000..f990f72
--- /dev/null
+++ b/includes/pear/Text/Diff/Renderer/unified.php
@@ -0,0 +1,67 @@
+<?php
+/**
+ * "Unified" diff renderer.
+ *
+ * This class renders the diff in classic "unified diff" format.
+ *
+ * $Horde: framework/Text_Diff/Diff/Renderer/unified.php,v 1.3.10.7 2009/01/06 15:23:42 jan Exp $
+ *
+ * Copyright 2004-2009 The Horde Project (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (LGPL). If you did
+ * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
+ *
+ * @author  Ciprian Popovici
+ * @package Text_Diff
+ */
+
+/** Text_Diff_Renderer */
+require_once 'Text/Diff/Renderer.php';
+
+/**
+ * @package Text_Diff
+ */
+class Text_Diff_Renderer_unified extends Text_Diff_Renderer {
+
+    /**
+     * Number of leading context "lines" to preserve.
+     */
+    var $_leading_context_lines = 4;
+
+    /**
+     * Number of trailing context "lines" to preserve.
+     */
+    var $_trailing_context_lines = 4;
+
+    function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
+    {
+        if ($xlen != 1) {
+            $xbeg .= ',' . $xlen;
+        }
+        if ($ylen != 1) {
+            $ybeg .= ',' . $ylen;
+        }
+        return "@@ -$xbeg +$ybeg @@";
+    }
+
+    function _context($lines)
+    {
+        return $this->_lines($lines, ' ');
+    }
+
+    function _added($lines)
+    {
+        return $this->_lines($lines, '+');
+    }
+
+    function _deleted($lines)
+    {
+        return $this->_lines($lines, '-');
+    }
+
+    function _changed($orig, $final)
+    {
+        return $this->_deleted($orig) . $this->_added($final);
+    }
+
+}