58 lines
1.3 KiB
PHP
58 lines
1.3 KiB
PHP
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<?php
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/**
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* "Unified" diff renderer.
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*
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* This class renders the diff in classic "unified diff" format.
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*
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* Copyright 2004-2012 Horde LLC (http://www.horde.org/)
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*
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* See the enclosed file COPYING for license information (LGPL). If you did
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* not receive this file, see http://www.horde.org/licenses/lgpl21.
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*
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* @author Ciprian Popovici
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* @package Text_Diff
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*/
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class Horde_Text_Diff_Renderer_Unified extends Horde_Text_Diff_Renderer
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{
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/**
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* Number of leading context "lines" to preserve.
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*/
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protected $_leading_context_lines = 4;
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/**
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* Number of trailing context "lines" to preserve.
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*/
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protected $_trailing_context_lines = 4;
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protected function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
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{
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if ($xlen != 1) {
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$xbeg .= ',' . $xlen;
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}
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if ($ylen != 1) {
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$ybeg .= ',' . $ylen;
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}
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return "@@ -$xbeg +$ybeg @@";
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}
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protected function _context($lines)
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{
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return $this->_lines($lines, ' ');
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}
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protected function _added($lines)
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{
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return $this->_lines($lines, '+');
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}
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protected function _deleted($lines)
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{
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return $this->_lines($lines, '-');
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}
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protected function _changed($orig, $final)
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{
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return $this->_deleted($orig) . $this->_added($final);
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}
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}
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