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<?php
/**
* "Unified" diff renderer.
*
* This class renders the diff in classic "unified diff" format.
* $Horde: framework/Text_Diff/Diff/Renderer/unified.php,v 1.2 2004/01/09 21:46:30 chuck Exp $
* @package Text_Diff
*/
class Text_Diff_Renderer_unified extends Text_Diff_Renderer
{
* Number of leading context "lines" to preserve.
public $_leading_context_lines = 4;
* Number of trailing context "lines" to preserve.
public $_trailing_context_lines = 4;
* @param $xbeg
* @param $xlen
* @param $ybeg
* @param $ylen
* @return string
public function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
if (1 != $xlen) {
$xbeg .= ',' . $xlen;
}
if (1 != $ylen) {
$ybeg .= ',' . $ylen;
return "@@ -$xbeg +$ybeg @@";
* @param $lines
public function _added($lines)
return $this->_lines($lines, '+');
public function _deleted($lines)
return $this->_lines($lines, '-');
* @param $orig
* @param $final
public function _changed($orig, $final)
return $this->_deleted($orig) . $this->_added($final);