include/Text_Diff_Renderer_unified.php
<?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, $ylen)
{
if ($xlen != 1) {
$xbeg .= ',' . $xlen;
}
if ($ylen != 1) {
$ybeg .= ',' . $ylen;
}
return "@@ -$xbeg +$ybeg @@";
}
/**
* @param $lines
* @return string
*/
public function _added($lines)
{
return $this->_lines($lines, '+');
}
/**
* @param $lines
* @return string
*/
public function _deleted($lines)
{
return $this->_lines($lines, '-');
}
/**
* @param $orig
* @param $final
* @return string
*/
public function _changed($orig, $final)
{
return $this->_deleted($orig) . $this->_added($final);
}
}