src/ResText/Utils.cpp

   1 // TortoiseGit - a Windows shell extension for easy version control
   2
   3 // Copyright (C) 2003-2006, 2012 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 #include "stdafx.h"
  19 #include "Utils.h"
  20 #include "FormatMessageWrapper.h"
  21
  22 CUtils::CUtils(void)
  23 {
  24 }
  25
  26 CUtils::~CUtils(void)
  27 {
  28 }
  29
  30 void CUtils::StringExtend(LPTSTR str)
  31 {
  32         TCHAR * cPos = str;
  33         do
  34         {
  35                 cPos = _tcschr(cPos, '\\');
  36                 if (cPos)
  37                 {
  38                         memmove(cPos+1, cPos, _tcslen(cPos)*sizeof(TCHAR));
  39                         *cPos = '\\';
  40                         *(cPos+1) = '\\';
  41                         cPos++;
  42                         cPos++;
  43                 }
  44         } while (cPos != NULL);
  45         cPos = str;
  46         do
  47         {
  48                 cPos = _tcschr(cPos, '\n');
  49                 if (cPos)
  50                 {
  51                         memmove(cPos+1, cPos, _tcslen(cPos)*sizeof(TCHAR));
  52                         *cPos = '\\';
  53                         *(cPos+1) = 'n';
  54                 }
  55         } while (cPos != NULL);
  56         cPos = str;
  57         do
  58         {
  59                 cPos = _tcschr(cPos, '\r');
  60                 if (cPos)
  61                 {
  62                         memmove(cPos+1, cPos, _tcslen(cPos)*sizeof(TCHAR));
  63                         *cPos = '\\';
  64                         *(cPos+1) = 'r';
  65                 }
  66         } while (cPos != NULL);
  67         cPos = str;
  68         do
  69         {
  70                 cPos = _tcschr(cPos, '\t');
  71                 if (cPos)
  72                 {
  73                         memmove(cPos+1, cPos, _tcslen(cPos)*sizeof(TCHAR));
  74                         *cPos = '\\';
  75                         *(cPos+1) = 't';
  76                 }
  77         } while (cPos != NULL);
  78         cPos = str;
  79         do
  80         {
  81                 cPos = _tcschr(cPos, '"');
  82                 if (cPos)
  83                 {
  84                         memmove(cPos+1, cPos, _tcslen(cPos)*sizeof(TCHAR));
  85                         *cPos = '\\';
  86                         *(cPos+1) = '"';
  87                         cPos++;
  88                         cPos++;
  89                 }
  90         } while (cPos != NULL);
  91 }
  92
  93 void CUtils::StringCollapse(LPTSTR str)
  94 {
  95         TCHAR * cPos = str;
  96         do
  97         {
  98                 cPos = _tcschr(cPos, '\\');
  99                 if (cPos)
 100                 {
 101                         if (*(cPos+1) == 'n')
 102                         {
 103                                 *cPos = '\n';
 104                                 memmove(cPos+1, cPos+2, (_tcslen(cPos+2)+1)*sizeof(TCHAR));
 105                         }
 106                         else if (*(cPos+1) == 'r')
 107                         {
 108                                 *cPos = '\r';
 109                                 memmove(cPos+1, cPos+2, (_tcslen(cPos+2)+1)*sizeof(TCHAR));
 110                         }
 111                         else if (*(cPos+1) == 't')
 112                         {
 113                                 *cPos = '\t';
 114                                 memmove(cPos+1, cPos+2, (_tcslen(cPos+2)+1)*sizeof(TCHAR));
 115                         }
 116                         else if (*(cPos+1) == '"')
 117                         {
 118                                 *cPos = '"';
 119                                 memmove(cPos+1, cPos+2, (_tcslen(cPos+2)+1)*sizeof(TCHAR));
 120                         }
 121                         else if (*(cPos+1) == '\\')
 122                         {
 123                                 *cPos = '\\';
 124                                 memmove(cPos+1, cPos+2, (_tcslen(cPos+2)+1)*sizeof(TCHAR));
 125                         }
 126                         cPos++;
 127                 }
 128         } while (cPos != NULL);
 129 }
 130
 131 void CUtils::Error()
 132 {
 133         CFormatMessageWrapper errorDetails;
 134         if (errorDetails)
 135                 _ftprintf (stderr, _T("%s\n"), (LPCTSTR)errorDetails);
 136 }
 137
 138 void CUtils::SearchReplace(std::wstring& str, const std::wstring& toreplace, const std::wstring& replacewith)
 139 {
 140         std::wstring result;
 141         std::wstring::size_type pos = 0;
 142         for ( ; ; )     // while (true)
 143         {
 144                 std::wstring::size_type next = str.find(toreplace, pos);
 145                 result.append(str, pos, next-pos);
 146                 if( next != std::string::npos )
 147                 {
 148                         result.append(replacewith);
 149                         pos = next + toreplace.size();
 150                 }
 151                 else
 152                 {
 153                         break;  // exit loop
 154                 }
 155         }
 156         str.swap(result);
 157 }