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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | <?php /* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* # ***** BEGIN LICENSE BLOCK ***** # This file is part of InDefero, an open source project management application. # Copyright (C) 2008 Céondo Ltd and contributors. # # InDefero is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # InDefero is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # # ***** END LICENSE BLOCK ***** */ /** * Diff parser. * */ class IDF_Diff { public $repo = '' ; public $diff = '' ; protected $lines = array (); public $files = array (); public function __construct( $diff , $repo = '' ) { $this ->repo = $repo ; $this ->diff = $diff ; $this ->lines = preg_split( "/\015\012|\015|\012/" , $diff ); } public function parse() { $current_file = '' ; $current_chunk = 0; $lline = 0; $rline = 0; $files = array (); foreach ( $this ->lines as $line ) { if (0 === strpos ( $line , 'diff --git a' )) { $current_file = self::getFile( $line ); $files [ $current_file ] = array (); $files [ $current_file ][ 'chunks' ] = array (); $files [ $current_file ][ 'chunks_def' ] = array (); $current_chunk = 0; continue ; } if (0 === strpos ( $line , '@@ ' )) { $files [ $current_file ][ 'chunks_def' ][] = self::getChunk( $line ); $files [ $current_file ][ 'chunks' ][] = array (); $current_chunk ++; $lline = $files [ $current_file ][ 'chunks_def' ][ $current_chunk -1][0][0]; $rline = $files [ $current_file ][ 'chunks_def' ][ $current_chunk -1][1][0]; continue ; } if (0 === strpos ( $line , '---' ) or 0 === strpos ( $line , '+++' )) { continue ; } if (0 === strpos ( $line , '-' )) { $files [ $current_file ][ 'chunks' ][ $current_chunk -1][] = array ( $lline , '' , substr ( $line , 1)); $lline ++; continue ; } if (0 === strpos ( $line , '+' )) { $files [ $current_file ][ 'chunks' ][ $current_chunk -1][] = array ( '' , $rline , substr ( $line , 1)); $rline ++; continue ; } if (0 === strpos ( $line , ' ' )) { $files [ $current_file ][ 'chunks' ][ $current_chunk -1][] = array ( $lline , $rline , substr ( $line , 1)); $rline ++; $lline ++; continue ; } } $this ->files = $files ; return $files ; } public static function getFile( $line ) { $line = substr (trim( $line ), 10); $n = (int) strlen ( $line )/2; return trim( substr ( $line , 3, $n -3)); } /** * Return the html version of a parsed diff. */ public function as_html() { $out = '' ; foreach ( $this ->files as $filename => $file ) { $out .= "\n" . '<table class="diff" summary="">' . "\n" ; $out .= '<tr id="diff-' .md5( $filename ). '"><th colspan="3">' .Pluf_esc( $filename ). '</th></tr>' . "\n" ; $cc = 1; foreach ( $file [ 'chunks' ] as $chunk ) { foreach ( $chunk as $line ) { if ( $line [0] and $line [1]) { $class = 'diff-c' ; } elseif ( $line [0]) { $class = 'diff-r' ; } else { $class = 'diff-a' ; } $line_content = $this ->padLine(Pluf_esc( $line [2])); $out .= sprintf( '<tr class="diff-line"><td class="diff-lc">%s</td><td class="diff-lc">%s</td><td class="%s mono">%s</td></tr>' . "\n" , $line [0], $line [1], $class , $line_content ); } if ( count ( $file [ 'chunks' ]) > $cc ) $out .= '<tr class="diff-next"><td>...</td><td>...</td><td> </td></tr>' . "\n" ; $cc ++; } $out .= '</table>' ; } return $out ; } public function padLine( $line ) { $n = strlen ( $line ); for ( $i =0; $i < $n ; $i ++) { if ( substr ( $line , $i , 1) != ' ' ) { break ; } } return str_repeat ( ' ' , $i ). substr ( $line , $i ); } /** * @return array array(array(start, n), array(start, n)) */ public static function getChunk( $line ) { $elts = split( ' ' , $line ); $res = array (); for ( $i =1; $i <3; $i ++) { $res [] = split( ',' , trim( substr ( $elts [ $i ], 1))); } return $res ; } } |