1 files changed, 77 insertions, 0 deletions
diff --git a/includes/pear/Text/Diff/Renderer/context.php b/includes/pear/Text/Diff/Renderer/context.php
new file mode 100644
index 0000000..af53801
--- /dev/null
+++ b/includes/pear/Text/Diff/Renderer/context.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * "Context" diff renderer.
+ *
+ * This class renders the diff in classic "context diff" format.
+ *
+ * $Horde: framework/Text_Diff/Diff/Renderer/context.php,v 1.3.2.4 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.
+ *
+ * @package Text_Diff
+ */
+
+/** Text_Diff_Renderer */
+require_once 'Text/Diff/Renderer.php';
+
+/**
+ * @package Text_Diff
+ */
+class Text_Diff_Renderer_context 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;
+
+    var $_second_block = '';
+
+    function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
+    {
+        if ($xlen != 1) {
+            $xbeg .= ',' . $xlen;
+        }
+        if ($ylen != 1) {
+            $ybeg .= ',' . $ylen;
+        }
+        $this->_second_block = "--- $ybeg ----\n";
+        return "***************\n*** $xbeg ****";
+    }
+
+    function _endBlock()
+    {
+        return $this->_second_block;
+    }
+
+    function _context($lines)
+    {
+        $this->_second_block .= $this->_lines($lines, '  ');
+        return $this->_lines($lines, '  ');
+    }
+
+    function _added($lines)
+    {
+        $this->_second_block .= $this->_lines($lines, '+ ');
+        return '';
+    }
+
+    function _deleted($lines)
+    {
+        return $this->_lines($lines, '- ');
+    }
+
+    function _changed($orig, $final)
+    {
+        $this->_second_block .= $this->_lines($final, '! ');
+        return $this->_lines($orig, '! ');
+    }
+
+}