src/TortoiseMerge/WorkingFile.cpp

   1 // TortoiseMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2006-2007,2011 - 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 //
  19 #include "StdAfx.h"
  20 #include "Workingfile.h"
  21 #include "AppUtils.h"
  22 #include "PathUtils.h"
  23 #include "resource.h"
  24 #include "SmartHandle.h"
  25
  26 CWorkingFile::CWorkingFile(void)
  27 {
  28 }
  29
  30 CWorkingFile::~CWorkingFile(void)
  31 {
  32 }
  33
  34 void CWorkingFile::SetFileName(const CString& newFilename)
  35 {
  36         m_sFilename = newFilename;
  37         m_sFilename.Replace('/', '\\');
  38         m_sDescriptiveName.Empty();
  39 }
  40
  41 void CWorkingFile::SetDescriptiveName(const CString& newDescName)
  42 {
  43         m_sDescriptiveName = newDescName;
  44 }
  45
  46 CString CWorkingFile::GetDescriptiveName()
  47 {
  48         if (m_sDescriptiveName.IsEmpty())
  49         {
  50                 CString sDescriptiveName = CPathUtils::GetFileNameFromPath(m_sFilename);
  51                 if (sDescriptiveName.GetLength() < 20)
  52                         return sDescriptiveName;
  53         }
  54         return m_sDescriptiveName;
  55 }
  56 //
  57 // Make an empty file with this name
  58 void CWorkingFile::CreateEmptyFile()
  59 {
  60         CAutoFile hFile = CreateFile(m_sFilename, GENERIC_WRITE, NULL, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
  61 }
  62
  63 // Move the details of the specified file to the current one, and then mark the specified file
  64 // as out of use
  65 void CWorkingFile::TransferDetailsFrom(CWorkingFile& rightHandFile)
  66 {
  67         // We don't do this to files which are already in use
  68         ASSERT(!InUse());
  69
  70         m_sFilename = rightHandFile.m_sFilename;
  71         m_sDescriptiveName = rightHandFile.m_sDescriptiveName;
  72         rightHandFile.SetOutOfUse();
  73 }
  74
  75 CString CWorkingFile::GetWindowName() const
  76 {
  77         CString sErrMsg = _T("");
  78         // TortoiseMerge allows non-existing files to be used in a merge
  79         // Inform the user (in a non-intrusive way) if a file is absent
  80         if (! this->Exists())
  81         {
  82                 sErrMsg = CString(MAKEINTRESOURCE(IDS_NOTFOUNDVIEWTITLEINDICATOR));
  83         }
  84
  85         if(m_sDescriptiveName.IsEmpty())
  86         {
  87                 // We don't have a proper name - use the filename part of the path
  88                 // return the filename part of the path.
  89                 return CPathUtils::GetFileNameFromPath(m_sFilename) + _T(" ") + sErrMsg;
  90         }
  91         else if (sErrMsg.IsEmpty())
  92         {
  93                 return m_sDescriptiveName;
  94         }
  95         return m_sDescriptiveName + _T(" ") + sErrMsg;
  96 }
  97
  98 bool CWorkingFile::Exists() const
  99 {
 100         return (!!PathFileExists(m_sFilename));
 101 }