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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 1.3 2004/09/15 05:00:00 chuck Exp $
*
* @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 +$ybeg @@";
}
function _added($lines)
{
$this->_lines($lines, '+');
}
function _deleted($lines)
{
$this->_lines($lines, '-');
}
function _changed($orig, $final)
{
$this->_deleted($orig);
$this->_added($final);
}
}
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