| 1 | 5 | simandl | <?php |
| 2 | | | /** |
| 3 | | | * "Unified" diff renderer. |
| 4 | | | * |
| 5 | | | * This class renders the diff in classic "unified diff" format. |
| 6 | | | * |
| 7 | | | * $Horde: framework/Text_Diff/Diff/Renderer/unified.php,v 1.3.10.6 2008/01/04 10:37:27 jan Exp $ |
| 8 | | | * |
| 9 | | | * Copyright 2004-2008 The Horde Project (http://www.horde.org/) |
| 10 | | | * |
| 11 | | | * See the enclosed file COPYING for license information (LGPL). If you did |
| 12 | | | * not receive this file, see http://opensource.org/licenses/lgpl-license.php. |
| 13 | | | * |
| 14 | | | * @author Ciprian Popovici |
| 15 | | | * @package Text_Diff |
| 16 | | | */ |
| 17 | | | |
| 18 | | | /** Text_Diff_Renderer */ |
| 19 | | | require_once 'Text/Diff/Renderer.php'; |
| 20 | | | |
| 21 | | | /** |
| 22 | | | * @package Text_Diff |
| 23 | | | */ |
| 24 | | | class Text_Diff_Renderer_unified extends Text_Diff_Renderer { |
| 25 | | | |
| 26 | | | /** |
| 27 | | | * Number of leading context "lines" to preserve. |
| 28 | | | */ |
| 29 | | | var $_leading_context_lines = 4; |
| 30 | | | |
| 31 | | | /** |
| 32 | | | * Number of trailing context "lines" to preserve. |
| 33 | | | */ |
| 34 | | | var $_trailing_context_lines = 4; |
| 35 | | | |
| 36 | | | function _blockHeader($xbeg, $xlen, $ybeg, $ylen) |
| 37 | | | { |
| 38 | | | if ($xlen != 1) { |
| 39 | | | $xbeg .= ',' . $xlen; |
| 40 | | | } |
| 41 | | | if ($ylen != 1) { |
| 42 | | | $ybeg .= ',' . $ylen; |
| 43 | | | } |
| 44 | | | return "@@ -$xbeg +$ybeg @@"; |
| 45 | | | } |
| 46 | | | |
| 47 | | | function _context($lines) |
| 48 | | | { |
| 49 | | | return $this->_lines($lines, ' '); |
| 50 | | | } |
| 51 | | | |
| 52 | | | function _added($lines) |
| 53 | | | { |
| 54 | | | return $this->_lines($lines, '+'); |
| 55 | | | } |
| 56 | | | |
| 57 | | | function _deleted($lines) |
| 58 | | | { |
| 59 | | | return $this->_lines($lines, '-'); |
| 60 | | | } |
| 61 | | | |
| 62 | | | function _changed($orig, $final) |
| 63 | | | { |
| 64 | | | return $this->_deleted($orig) . $this->_added($final); |
| 65 | | | } |
| 66 | | | |
| 67 | | | } |
