src/TortoiseMerge/DiffData.h

   1 // TortoiseMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2006-2008 - 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 #pragma once
  20
  21 #include "svn_diff.h"
  22 #include "apr_pools.h"
  23 #include "FileTextLines.h"
  24 #include "registry.h"
  25 #include "WorkingFile.h"
  26 #include "ViewData.h"
  27
  28
  29
  30 #define DIFF_EMPTYLINENUMBER                                            ((DWORD)-1)
  31 /**
  32  * \ingroup TortoiseMerge
  33  * Main class for handling diffs.
  34  */
  35 class CDiffData
  36 {
  37 public:
  38         CDiffData(void);
  39         virtual ~CDiffData(void);
  40
  41
  42         BOOL                                            Load();
  43         void                                            SetBlame(bool bBlame = true) {m_bBlame = bBlame;}
  44         int                                                     GetLineCount();
  45         int                                                     GetLineActualLength(int index);
  46         LPCTSTR                                         GetLineChars(int index);
  47         CString                                         GetError() const  {return m_sError;}
  48
  49         bool    IsBaseFileInUse() const         { return m_baseFile.InUse(); }
  50         bool    IsTheirFileInUse() const        { return m_theirFile.InUse(); }
  51         bool    IsYourFileInUse() const         { return m_yourFile.InUse(); }
  52
  53 private:
  54         bool DoTwoWayDiff(const CString& sBaseFilename, const CString& sYourFilename, DWORD dwIgnoreWS, bool bIgnoreEOL, apr_pool_t * pool);
  55         bool DoThreeWayDiff(const CString& sBaseFilename, const CString& sYourFilename, const CString& sTheirFilename, DWORD dwIgnoreWS, bool bIgnoreEOL, bool bIgnoreCase, apr_pool_t * pool);
  56
  57
  58 public:
  59         CWorkingFile                            m_baseFile;
  60         CWorkingFile                            m_theirFile;
  61         CWorkingFile                            m_yourFile;
  62         CWorkingFile                            m_mergedFile;
  63
  64         CString                                         m_sDiffFile;
  65         CString                                         m_sPatchPath;
  66         CString                                         m_sPatchOriginal;
  67         CString                                         m_sPatchPatched;
  68
  69 public:
  70         CFileTextLines                          m_arBaseFile;
  71         CFileTextLines                          m_arTheirFile;
  72         CFileTextLines                          m_arYourFile;
  73
  74         CViewData                                       m_YourBaseBoth;                         ///< one-pane view, diff between 'yours' and 'base' (in three-pane view: right view)
  75         CViewData                                       m_YourBaseLeft;                         ///< two-pane view, diff between 'yours' and 'base', left view
  76         CViewData                                       m_YourBaseRight;                        ///< two-pane view, diff between 'yours' and 'base', right view
  77
  78         CViewData                                       m_TheirBaseBoth;                        ///< one-pane view, diff between 'theirs' and 'base' (in three-pane view: left view)
  79         CViewData                                       m_TheirBaseLeft;                        ///< two-pane view, diff between 'theirs' and 'base', left view
  80         CViewData                                       m_TheirBaseRight;                       ///< two-pane view, diff between 'theirs' and 'base', right view
  81
  82         CViewData                                       m_Diff3;                                        ///< thee-pane view, bottom pane
  83
  84         // the following three arrays are used to check for conflicts even in case the
  85         // user has ignored spaces/eols.
  86         CStdDWORDArray                          m_arDiff3LinesBase;
  87         CStdDWORDArray                          m_arDiff3LinesYour;
  88         CStdDWORDArray                          m_arDiff3LinesTheir;
  89
  90         CString                                         m_sError;
  91
  92         static int                                      abort_on_pool_failure (int retcode);
  93 protected:
  94         bool                                            m_bBlame;
  95 };