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<?php
/**
* "Context" diff renderer.
*
* This class renders the diff in classic "context diff" format.
*
* $Horde: framework/Text_Diff/Diff/Renderer/context.php,v 1.3.2.3 2008/01/04 10:37:27 jan Exp $
*
* Copyright 2004-2008 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, '! ');
}
}
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