int CTortoiseGitBlameData::GetEncode(unsigned char *buff, int size, int *bomoffset)
{
CFileTextLines textlines;
CFileTextLines::UnicodeType type = textlines.CheckUnicodeType(buff, size);
if (type == CFileTextLines::UTF8BOM)
{
*bomoffset = 3;
return CP_UTF8;
}
if (type == CFileTextLines::UTF8)
return CP_UTF8;
if (type == CFileTextLines::UTF16_LE)
return 1200;
if (type == CFileTextLines::UTF16_LEBOM)
{
*bomoffset = 2;
return 1200;
}
if (type == CFileTextLines::UTF16_BE)
return 1201;
if (type == CFileTextLines::UTF16_BEBOM)
{
*bomoffset = 2;
return 1201;
}
return GetACP();
}
BOOL CPatch::OpenUnifiedDiffFile(const CString& filename)
{
CCrashReport::Instance().AddFile2(filename, nullptr, _T("unified diff file"), CR_AF_MAKE_FILE_COPY);
CFileTextLines PatchLines;
if (!PatchLines.Load(filename))
{
m_sErrorMessage = PatchLines.GetErrorString();
return FALSE;
}
FreeMemory();
//now we got all the lines of the patch file
//in our array - parsing can start...
return ParsePatchFile(PatchLines);
}
int CPatch::PatchFile(int nIndex, const CString& sPatchPath, const CString& sSavePath, const CString& sBaseFile, const bool force)
{
CString sPath = GetFullPath(sPatchPath, nIndex);
if (PathIsDirectory(sPath))
{
m_sErrorMessage.Format(IDS_ERR_PATCH_INVALIDPATCHFILE, (LPCTSTR)sPath);
return FALSE;
}
if (nIndex < 0)
{
m_sErrorMessage.Format(IDS_ERR_PATCH_FILENOTINPATCH, (LPCTSTR)sPath);
return FALSE;
}
if (!force && sPath == _T("NUL") && PathFileExists(GetFullPath(sPatchPath, nIndex, 1)))
return FALSE;
if (GetFullPath(sPatchPath, nIndex, 1) == _T("NUL") && !PathFileExists(sPath))
return 2;
CString sLine;
CString sPatchFile = sBaseFile.IsEmpty() ? sPath : sBaseFile;
if (PathFileExists(sPatchFile))
{
CCrashReport::Instance().AddFile2(sPatchFile, NULL, _T("File to patch"), CR_AF_MAKE_FILE_COPY);
}
CFileTextLines PatchLines;
CFileTextLines PatchLinesResult;
PatchLines.Load(sPatchFile);
PatchLinesResult = PatchLines; //.Copy(PatchLines);
PatchLines.CopySettings(&PatchLinesResult);
Chunks * chunks = m_arFileDiffs.GetAt(nIndex);
for (int i=0; i<chunks->chunks.GetCount(); i++)
{
Chunk * chunk = chunks->chunks.GetAt(i);
LONG lRemoveLine = chunk->lRemoveStart;
LONG lAddLine = chunk->lAddStart;
for (int j=0; j<chunk->arLines.GetCount(); j++)
{
CString sPatchLine = chunk->arLines.GetAt(j);
EOL ending = chunk->arEOLs[j];
if ((m_UnicodeType != CFileTextLines::UTF8)&&(m_UnicodeType != CFileTextLines::UTF8BOM))
{
if ((PatchLines.GetUnicodeType()==CFileTextLines::UTF8)||(m_UnicodeType == CFileTextLines::UTF8BOM))
{
// convert the UTF-8 contents in CString sPatchLine into a CStringA
sPatchLine = CUnicodeUtils::GetUnicode(CStringA(sPatchLine));
}
}
int nPatchState = (int)chunk->arLinesStates.GetAt(j);
switch (nPatchState)
{
case PATCHSTATE_REMOVED:
{
if ((lAddLine > PatchLines.GetCount())||(PatchLines.GetCount()==0))
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, _T(""), (LPCTSTR)sPatchLine);
return FALSE;
}
if (lAddLine == 0)
lAddLine = 1;
if ((sPatchLine.Compare(PatchLines.GetAt(lAddLine-1))!=0)&&(!HasExpandedKeyWords(sPatchLine)))
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, (LPCTSTR)sPatchLine, (LPCTSTR)PatchLines.GetAt(lAddLine-1));
return FALSE;
}
if (lAddLine > PatchLines.GetCount())
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, (LPCTSTR)sPatchLine, _T(""));
return FALSE;
}
PatchLines.RemoveAt(lAddLine-1);
}
break;
case PATCHSTATE_ADDED:
{
if (lAddLine == 0)
lAddLine = 1;
PatchLines.InsertAt(lAddLine-1, sPatchLine, ending);
lAddLine++;
}
break;
case PATCHSTATE_CONTEXT:
{
if (lAddLine > PatchLines.GetCount())
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, _T(""), (LPCTSTR)sPatchLine);
return FALSE;
}
if (lAddLine == 0)
lAddLine++;
if (lRemoveLine == 0)
lRemoveLine++;
if ((sPatchLine.Compare(PatchLines.GetAt(lAddLine-1))!=0) &&
(!HasExpandedKeyWords(sPatchLine)) &&
(lRemoveLine <= PatchLines.GetCount()) &&
(sPatchLine.Compare(PatchLines.GetAt(lRemoveLine-1))!=0))
{
if ((lAddLine < PatchLines.GetCount())&&(sPatchLine.Compare(PatchLines.GetAt(lAddLine))==0))
lAddLine++;
else if (((lAddLine + 1) < PatchLines.GetCount())&&(sPatchLine.Compare(PatchLines.GetAt(lAddLine+1))==0))
lAddLine += 2;
else if ((lRemoveLine < PatchLines.GetCount())&&(sPatchLine.Compare(PatchLines.GetAt(lRemoveLine))==0))
lRemoveLine++;
else
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, (LPCTSTR)sPatchLine, (LPCTSTR)PatchLines.GetAt(lAddLine-1));
return FALSE;
}
}
lAddLine++;
lRemoveLine++;
}
break;
default:
ASSERT(FALSE);
break;
} // switch (nPatchState)
} // for (j=0; j<chunk->arLines.GetCount(); j++)
} // for (int i=0; i<chunks->chunks.GetCount(); i++)
if (!sSavePath.IsEmpty())
{
PatchLines.Save(sSavePath, false);
}
return TRUE;
}
BOOL CPatch::ParserGitPatch(CFileTextLines &PatchLines,int nIndex)
{
CString sLine;
EOL ending = EOL_NOENDING;
int state = 0;
Chunks * chunks = NULL;
Chunk * chunk = NULL;
int nAddLineCount = 0;
int nRemoveLineCount = 0;
int nContextLineCount = 0;
for ( ;nIndex<PatchLines.GetCount(); nIndex++)
{
sLine = PatchLines.GetAt(nIndex);
ending = PatchLines.GetLineEnding(nIndex);
if (ending != EOL_NOENDING)
ending = EOL_AUTOLINE;
switch (state)
{
case 0:
{
// diff --git
if( sLine.Find(_T("diff --git"))==0)
{
if (chunks)
{
//this is a new file diff, so add the last one to
//our array.
m_arFileDiffs.Add(chunks);
}
chunks = new Chunks();
}
//index
if( sLine.Find(_T("index"))==0 )
{
int dotstart=sLine.Find(_T(".."));
if(dotstart>=0)
{
chunks->sRevision = sLine.Mid(dotstart-7,7);
chunks->sRevision2 = sLine.Mid(dotstart+2,7);
}
}
//---
if( sLine.Find(_T("--- "))==0 )
{
if (sLine.Left(3).Compare(_T("---"))!=0)
{
//no starting "---" found
//seems to be either garbage or just
//a binary file. So start over...
state = 0;
nIndex--;
if (chunks)
{
delete chunks;
chunks = NULL;
}
break;
}
sLine = sLine.Mid(3); //remove the "---"
sLine =sLine.Trim();
//at the end of the filepath there's a revision number...
int bracket = sLine.ReverseFind('(');
if (bracket < 0)
// some patch files can have another '(' char, especially ones created in Chinese OS
bracket = sLine.ReverseFind(0xff08);
if (bracket < 0)
{
if (chunks->sFilePath.IsEmpty())
chunks->sFilePath = sLine.Trim();
}
else
chunks->sFilePath = sLine.Left(bracket-1).Trim();
if (chunks->sFilePath.Find('\t')>=0)
{
chunks->sFilePath = chunks->sFilePath.Left(chunks->sFilePath.Find('\t'));
}
if (chunks->sFilePath.Find(_T('"')) == 0 && chunks->sFilePath.ReverseFind(_T('"')) == chunks->sFilePath.GetLength() - 1)
chunks->sFilePath=chunks->sFilePath.Mid(1, chunks->sFilePath.GetLength() - 2);
if( chunks->sFilePath.Find(_T("a/")) == 0 )
chunks->sFilePath=chunks->sFilePath.Mid(2);
if( chunks->sFilePath.Find(_T("b/")) == 0 )
chunks->sFilePath=chunks->sFilePath.Mid(2);
chunks->sFilePath.Replace(_T('/'),_T('\\'));
if (chunks->sFilePath == _T("\\dev\\null") || chunks->sFilePath == _T("/dev/null"))
chunks->sFilePath = _T("NUL");
}
// +++
if( sLine.Find(_T("+++ ")) == 0 )
{
sLine = sLine.Mid(3); //remove the "---"
sLine =sLine.Trim();
//at the end of the filepath there's a revision number...
int bracket = sLine.ReverseFind('(');
if (bracket < 0)
// some patch files can have another '(' char, especially ones created in Chinese OS
bracket = sLine.ReverseFind(0xff08);
if (bracket < 0)
chunks->sFilePath2 = sLine.Trim();
else
chunks->sFilePath2 = sLine.Left(bracket-1).Trim();
if (chunks->sFilePath2.Find('\t')>=0)
{
chunks->sFilePath2 = chunks->sFilePath2.Left(chunks->sFilePath2.Find('\t'));
}
if (chunks->sFilePath2.Find(_T('"')) == 0 && chunks->sFilePath2.ReverseFind(_T('"')) == chunks->sFilePath2.GetLength() - 1)
chunks->sFilePath2=chunks->sFilePath2.Mid(1, chunks->sFilePath2.GetLength() - 2);
if( chunks->sFilePath2.Find(_T("a/")) == 0 )
chunks->sFilePath2=chunks->sFilePath2.Mid(2);
if( chunks->sFilePath2.Find(_T("b/")) == 0 )
chunks->sFilePath2=chunks->sFilePath2.Mid(2);
chunks->sFilePath2.Replace(_T('/'),_T('\\'));
if (chunks->sFilePath2 == _T("\\dev\\null") || chunks->sFilePath2 == _T("/dev/null"))
chunks->sFilePath2 = _T("NUL");
}
//@@ -xxx,xxx +xxx,xxx @@
if( sLine.Find(_T("@@")) == 0 )
{
sLine = sLine.Mid(2);
sLine = sLine.Trim();
chunk = new Chunk();
CString sRemove = sLine.Left(sLine.Find(' '));
CString sAdd = sLine.Mid(sLine.Find(' '));
chunk->lRemoveStart = (-_ttol(sRemove));
if (sRemove.Find(',')>=0)
{
sRemove = sRemove.Mid(sRemove.Find(',')+1);
chunk->lRemoveLength = _ttol(sRemove);
}
else
{
chunk->lRemoveStart = 0;
chunk->lRemoveLength = (-_ttol(sRemove));
}
chunk->lAddStart = _ttol(sAdd);
if (sAdd.Find(',')>=0)
{
sAdd = sAdd.Mid(sAdd.Find(',')+1);
chunk->lAddLength = _ttol(sAdd);
}
else
{
chunk->lAddStart = 1;
chunk->lAddLength = _ttol(sAdd);
}
state =5;
}
}
break;
case 5: //[ |+|-] <sourceline>
{
//this line is either a context line (with a ' ' in front)
//a line added (with a '+' in front)
//or a removed line (with a '-' in front)
TCHAR type;
if (sLine.IsEmpty())
type = ' ';
else
type = sLine.GetAt(0);
if (type == ' ')
{
//it's a context line - we don't use them here right now
//but maybe in the future the patch algorithm can be
//extended to use those in case the file to patch has
//already changed and no base file is around...
chunk->arLines.Add(RemoveUnicodeBOM(sLine.Mid(1)));
chunk->arLinesStates.Add(PATCHSTATE_CONTEXT);
chunk->arEOLs.push_back(ending);
nContextLineCount++;
}
else if (type == '\\')
{
//it's a context line (sort of):
//warnings start with a '\' char (e.g. "\ No newline at end of file")
//so just ignore this...
}
else if (type == '-')
{
//a removed line
chunk->arLines.Add(RemoveUnicodeBOM(sLine.Mid(1)));
chunk->arLinesStates.Add(PATCHSTATE_REMOVED);
chunk->arEOLs.push_back(ending);
nRemoveLineCount++;
}
else if (type == '+')
{
//an added line
chunk->arLines.Add(RemoveUnicodeBOM(sLine.Mid(1)));
chunk->arLinesStates.Add(PATCHSTATE_ADDED);
chunk->arEOLs.push_back(ending);
nAddLineCount++;
}
else
{
//none of those lines! what the hell happened here?
m_sErrorMessage.Format(IDS_ERR_PATCH_UNKOWNLINETYPE, nIndex);
goto errorcleanup;
}
if ((chunk->lAddLength == (nAddLineCount + nContextLineCount)) &&
chunk->lRemoveLength == (nRemoveLineCount + nContextLineCount))
{
//chunk is finished
if (chunks)
chunks->chunks.Add(chunk);
else
delete chunk;
chunk = NULL;
nAddLineCount = 0;
nContextLineCount = 0;
nRemoveLineCount = 0;
state = 0;
}
}
break;
default:
ASSERT(FALSE);
} // switch (state)
} // for ( ;nIndex<m_PatchLines.GetCount(); nIndex++)
if (chunk)
{
m_sErrorMessage.LoadString(IDS_ERR_PATCH_CHUNKMISMATCH);
goto errorcleanup;
}
if (chunks)
m_arFileDiffs.Add(chunks);
return TRUE;
errorcleanup:
if (chunk)
delete chunk;
if (chunks)
{
for (int i=0; i<chunks->chunks.GetCount(); i++)
{
delete chunks->chunks.GetAt(i);
}
chunks->chunks.RemoveAll();
delete chunks;
}
FreeMemory();
return FALSE;
}
BOOL CPatch::OpenUnifiedDiffFile(const CString& filename)
{
CString sLine;
EOL ending = EOL_NOENDING;
INT_PTR nIndex = 0;
INT_PTR nLineCount = 0;
CCrashReport::Instance().AddFile2(filename, NULL, _T("unified diff file"), CR_AF_MAKE_FILE_COPY);
CFileTextLines PatchLines;
if (!PatchLines.Load(filename))
{
m_sErrorMessage = PatchLines.GetErrorString();
return FALSE;
}
m_UnicodeType = PatchLines.GetUnicodeType();
FreeMemory();
nLineCount = PatchLines.GetCount();
//now we got all the lines of the patch file
//in our array - parsing can start...
for(nIndex=0;nIndex<PatchLines.GetCount();nIndex++)
{
sLine = PatchLines.GetAt(nIndex);
if(sLine.Left(10).Compare(_T("diff --git")) == 0)
{
this->m_IsGitPatch=true;
break;
}
}
//first, skip possible garbage at the beginning
//garbage is finished when a line starts with "Index: "
//and the next line consists of only "=" characters
if( !m_IsGitPatch )
{
for (nIndex=0; nIndex<PatchLines.GetCount(); nIndex++)
{
sLine = PatchLines.GetAt(nIndex);
if (sLine.Left(4).Compare(_T("--- "))==0)
break;
if ((nIndex+1)<PatchLines.GetCount())
{
sLine = PatchLines.GetAt(nIndex+1);
if(sLine.IsEmpty()&&m_IsGitPatch)
continue;
sLine.Remove('=');
if (sLine.IsEmpty())
break;
}
}
}
if ((PatchLines.GetCount()-nIndex) < 2)
{
//no file entry found.
m_sErrorMessage.LoadString(IDS_ERR_PATCH_NOINDEX);
return FALSE;
}
if( m_IsGitPatch )
return ParserGitPatch(PatchLines,nIndex);
//from this point on we have the real unified diff data
int state = 0;
Chunks * chunks = NULL;
Chunk * chunk = NULL;
int nAddLineCount = 0;
int nRemoveLineCount = 0;
int nContextLineCount = 0;
for ( ;nIndex<PatchLines.GetCount(); nIndex++)
{
sLine = PatchLines.GetAt(nIndex);
ending = PatchLines.GetLineEnding(nIndex);
if (ending != EOL_NOENDING)
ending = EOL_AUTOLINE;
if (state == 0)
{
if ((sLine.Left(4).Compare(_T("--- "))==0)&&((sLine.Find('\t') >= 0)||this->m_IsGitPatch))
{
state = 2;
if (chunks)
{
//this is a new file diff, so add the last one to
//our array.
m_arFileDiffs.Add(chunks);
}
chunks = new Chunks();
int nTab = sLine.Find('\t');
int filestart = 4;
if(m_IsGitPatch)
{
nTab=sLine.GetLength();
filestart = 6;
}
if (nTab >= 0)
{
chunks->sFilePath = sLine.Mid(filestart, nTab-filestart).Trim();
}
}
}
switch (state)
{
case 0: //Index: <filepath>
{
CString nextLine;
if ((nIndex+1)<PatchLines.GetCount())
{
nextLine = PatchLines.GetAt(nIndex+1);
if (!nextLine.IsEmpty())
{
nextLine.Remove('=');
if (nextLine.IsEmpty())
{
if (chunks)
{
//this is a new file diff, so add the last one to
//our array.
m_arFileDiffs.Add(chunks);
}
chunks = new Chunks();
int nColon = sLine.Find(':');
if (nColon >= 0)
{
chunks->sFilePath = sLine.Mid(nColon+1).Trim();
if (chunks->sFilePath.Find('\t')>=0)
chunks->sFilePath.Left(chunks->sFilePath.Find('\t')).TrimRight();
if (chunks->sFilePath.Right(9).Compare(_T("(deleted)"))==0)
chunks->sFilePath.Left(chunks->sFilePath.GetLength()-9).TrimRight();
if (chunks->sFilePath.Right(7).Compare(_T("(added)"))==0)
chunks->sFilePath.Left(chunks->sFilePath.GetLength()-7).TrimRight();
}
state++;
}
}
}
if (state == 0)
{
if (nIndex > 0)
{
nIndex--;
state = 4;
if (chunks == NULL)
{
//the line
//Index: <filepath>
//was not found at the start of a file diff!
break;
}
}
}
}
break;
case 1: //====================
{
sLine.Remove('=');
if (sLine.IsEmpty())
{
// if the next line is already the start of the chunk,
// then the patch/diff file was not created by svn. But we
// still try to use it
if (PatchLines.GetCount() > (nIndex + 1))
{
if (PatchLines.GetAt(nIndex+1).Left(2).Compare(_T("@@"))==0)
{
state += 2;
}
}
state++;
}
else
{
//the line
//=========================
//was not found
m_sErrorMessage.Format(IDS_ERR_PATCH_NOEQUATIONCHARLINE, nIndex);
goto errorcleanup;
}
}
break;
case 2: //--- <filepath>
{
if (sLine.Left(3).Compare(_T("---"))!=0)
{
//no starting "---" found
//seems to be either garbage or just
//a binary file. So start over...
state = 0;
nIndex--;
if (chunks)
{
delete chunks;
chunks = NULL;
}
break;
}
sLine = sLine.Mid(3); //remove the "---"
sLine =sLine.Trim();
//at the end of the filepath there's a revision number...
int bracket = sLine.ReverseFind('(');
if (bracket < 0)
// some patch files can have another '(' char, especially ones created in Chinese OS
bracket = sLine.ReverseFind(0xff08);
CString num = sLine.Mid(bracket); //num = "(revision xxxxx)"
num = num.Mid(num.Find(' '));
num = num.Trim(_T(" )"));
// here again, check for the Chinese bracket
num = num.Trim(0xff09);
chunks->sRevision = num;
if (bracket < 0)
{
if (chunks->sFilePath.IsEmpty())
chunks->sFilePath = sLine.Trim();
}
else
chunks->sFilePath = sLine.Left(bracket-1).Trim();
if (chunks->sFilePath.Find('\t')>=0)
{
chunks->sFilePath = chunks->sFilePath.Left(chunks->sFilePath.Find('\t'));
}
state++;
}
break;
case 3: //+++ <filepath>
{
if (sLine.Left(3).Compare(_T("+++"))!=0)
{
//no starting "+++" found
m_sErrorMessage.Format(IDS_ERR_PATCH_NOADDFILELINE, nIndex);
goto errorcleanup;
}
sLine = sLine.Mid(3); //remove the "---"
sLine =sLine.Trim();
//at the end of the filepath there's a revision number...
int bracket = sLine.ReverseFind('(');
if (bracket < 0)
// some patch files can have another '(' char, especially ones created in Chinese OS
bracket = sLine.ReverseFind(0xff08);
CString num = sLine.Mid(bracket); //num = "(revision xxxxx)"
num = num.Mid(num.Find(' '));
num = num.Trim(_T(" )"));
// here again, check for the Chinese bracket
num = num.Trim(0xff09);
chunks->sRevision2 = num;
if (bracket < 0)
chunks->sFilePath2 = sLine.Trim();
else
chunks->sFilePath2 = sLine.Left(bracket-1).Trim();
if (chunks->sFilePath2.Find('\t')>=0)
{
chunks->sFilePath2 = chunks->sFilePath2.Left(chunks->sFilePath2.Find('\t'));
}
state++;
}
break;
case 4: //@@ -xxx,xxx +xxx,xxx @@
{
//start of a new chunk
if (sLine.Left(2).Compare(_T("@@"))!=0)
{
//chunk doesn't start with "@@"
//so there's garbage in between two file diffs
state = 0;
if (chunk)
{
delete chunk;
chunk = 0;
if (chunks)
{
for (int i=0; i<chunks->chunks.GetCount(); i++)
{
delete chunks->chunks.GetAt(i);
}
chunks->chunks.RemoveAll();
delete chunks;
chunks = NULL;
}
}
break; //skip the garbage
}
sLine = sLine.Mid(2);
sLine = sLine.Trim();
chunk = new Chunk();
CString sRemove = sLine.Left(sLine.Find(' '));
CString sAdd = sLine.Mid(sLine.Find(' '));
chunk->lRemoveStart = (-_ttol(sRemove));
if (sRemove.Find(',')>=0)
{
sRemove = sRemove.Mid(sRemove.Find(',')+1);
chunk->lRemoveLength = _ttol(sRemove);
}
else
{
chunk->lRemoveStart = 0;
chunk->lRemoveLength = (-_ttol(sRemove));
}
chunk->lAddStart = _ttol(sAdd);
if (sAdd.Find(',')>=0)
{
sAdd = sAdd.Mid(sAdd.Find(',')+1);
chunk->lAddLength = _ttol(sAdd);
}
else
{
chunk->lAddStart = 1;
chunk->lAddLength = _ttol(sAdd);
}
state++;
}
break;
case 5: //[ |+|-] <sourceline>
{
//this line is either a context line (with a ' ' in front)
//a line added (with a '+' in front)
//or a removed line (with a '-' in front)
TCHAR type;
if (sLine.IsEmpty())
type = ' ';
else
type = sLine.GetAt(0);
if (type == ' ')
{
//it's a context line - we don't use them here right now
//but maybe in the future the patch algorithm can be
//extended to use those in case the file to patch has
//already changed and no base file is around...
chunk->arLines.Add(RemoveUnicodeBOM(sLine.Mid(1)));
chunk->arLinesStates.Add(PATCHSTATE_CONTEXT);
chunk->arEOLs.push_back(ending);
nContextLineCount++;
}
else if (type == '\\')
{
//it's a context line (sort of):
//warnings start with a '\' char (e.g. "\ No newline at end of file")
//so just ignore this...
}
else if (type == '-')
{
//a removed line
chunk->arLines.Add(RemoveUnicodeBOM(sLine.Mid(1)));
chunk->arLinesStates.Add(PATCHSTATE_REMOVED);
chunk->arEOLs.push_back(ending);
nRemoveLineCount++;
}
else if (type == '+')
{
//an added line
chunk->arLines.Add(RemoveUnicodeBOM(sLine.Mid(1)));
chunk->arLinesStates.Add(PATCHSTATE_ADDED);
chunk->arEOLs.push_back(ending);
nAddLineCount++;
}
else
{
//none of those lines! what the hell happened here?
m_sErrorMessage.Format(IDS_ERR_PATCH_UNKOWNLINETYPE, nIndex);
goto errorcleanup;
}
if ((chunk->lAddLength == (nAddLineCount + nContextLineCount)) &&
chunk->lRemoveLength == (nRemoveLineCount + nContextLineCount))
{
//chunk is finished
if (chunks)
chunks->chunks.Add(chunk);
else
delete chunk;
chunk = NULL;
nAddLineCount = 0;
nContextLineCount = 0;
nRemoveLineCount = 0;
state = 0;
}
}
break;
default:
ASSERT(FALSE);
} // switch (state)
} // for ( ;nIndex<m_PatchLines.GetCount(); nIndex++)
if (chunk)
{
m_sErrorMessage.LoadString(IDS_ERR_PATCH_CHUNKMISMATCH);
goto errorcleanup;
}
if (chunks)
m_arFileDiffs.Add(chunks);
return TRUE;
errorcleanup:
if (chunk)
delete chunk;
if (chunks)
{
for (int i=0; i<chunks->chunks.GetCount(); i++)
{
delete chunks->chunks.GetAt(i);
}
chunks->chunks.RemoveAll();
delete chunks;
}
FreeMemory();
return FALSE;
}
BOOL CPatch::PatchFile(const CString& sPath, const CString& sSavePath, const CString& sBaseFile)
{
if (PathIsDirectory(sPath))
{
m_sErrorMessage.Format(IDS_ERR_PATCH_INVALIDPATCHFILE, (LPCTSTR)sPath);
return FALSE;
}
// find the entry in the patch file which matches the full path given in sPath.
int nIndex = -1;
// use the longest path that matches
int nMaxMatch = 0;
for (int i=0; i<GetNumberOfFiles(); i++)
{
CString temppath = sPath;
CString temp = GetFilename(i);
temppath.Replace('/', '\\');
temp.Replace('/', '\\');
if (temppath.Mid(temppath.GetLength()-temp.GetLength()-1, 1).CompareNoCase(_T("\\"))==0)
{
temppath = temppath.Right(temp.GetLength());
if ((temp.CompareNoCase(temppath)==0))
{
if (nMaxMatch < temp.GetLength())
{
nMaxMatch = temp.GetLength();
nIndex = i;
}
}
}
else if (temppath.CompareNoCase(temp)==0)
{
if ((nIndex < 0)&&(! temp.IsEmpty()))
{
nIndex = i;
}
}
}
if (nIndex < 0)
{
m_sErrorMessage.Format(IDS_ERR_PATCH_FILENOTINPATCH, (LPCTSTR)sPath);
return FALSE;
}
CString sLine;
CString sPatchFile = sBaseFile.IsEmpty() ? sPath : sBaseFile;
if (PathFileExists(sPatchFile))
{
g_crasher.AddFile((LPCSTR)(LPCTSTR)sPatchFile, (LPCSTR)(LPCTSTR)_T("File to patch"));
}
CFileTextLines PatchLines;
CFileTextLines PatchLinesResult;
PatchLines.Load(sPatchFile);
PatchLinesResult = PatchLines; //.Copy(PatchLines);
PatchLines.CopySettings(&PatchLinesResult);
Chunks * chunks = m_arFileDiffs.GetAt(nIndex);
for (int i=0; i<chunks->chunks.GetCount(); i++)
{
Chunk * chunk = chunks->chunks.GetAt(i);
LONG lRemoveLine = chunk->lRemoveStart;
LONG lAddLine = chunk->lAddStart;
for (int j=0; j<chunk->arLines.GetCount(); j++)
{
CString sPatchLine = chunk->arLines.GetAt(j);
EOL ending = chunk->arEOLs[j];
if ((m_UnicodeType != CFileTextLines::UTF8)&&(m_UnicodeType != CFileTextLines::UTF8BOM))
{
if ((PatchLines.GetUnicodeType()==CFileTextLines::UTF8)||(m_UnicodeType == CFileTextLines::UTF8BOM))
{
// convert the UTF-8 contents in CString sPatchLine into a CStringA
sPatchLine = CUnicodeUtils::GetUnicode(CStringA(sPatchLine));
}
}
int nPatchState = (int)chunk->arLinesStates.GetAt(j);
switch (nPatchState)
{
case PATCHSTATE_REMOVED:
{
if ((lAddLine > PatchLines.GetCount())||(PatchLines.GetCount()==0))
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, _T(""), (LPCTSTR)sPatchLine);
return FALSE;
}
if (lAddLine == 0)
lAddLine = 1;
if ((sPatchLine.Compare(PatchLines.GetAt(lAddLine-1))!=0)&&(!HasExpandedKeyWords(sPatchLine)))
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, (LPCTSTR)sPatchLine, (LPCTSTR)PatchLines.GetAt(lAddLine-1));
return FALSE;
}
if (lAddLine > PatchLines.GetCount())
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, (LPCTSTR)sPatchLine, _T(""));
return FALSE;
}
PatchLines.RemoveAt(lAddLine-1);
}
break;
case PATCHSTATE_ADDED:
{
if (lAddLine == 0)
lAddLine = 1;
PatchLines.InsertAt(lAddLine-1, sPatchLine, ending);
lAddLine++;
}
break;
case PATCHSTATE_CONTEXT:
{
if (lAddLine > PatchLines.GetCount())
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, _T(""), (LPCTSTR)sPatchLine);
return FALSE;
}
if (lAddLine == 0)
lAddLine++;
if (lRemoveLine == 0)
lRemoveLine++;
if ((sPatchLine.Compare(PatchLines.GetAt(lAddLine-1))!=0) &&
(!HasExpandedKeyWords(sPatchLine)) &&
(lRemoveLine <= PatchLines.GetCount()) &&
(sPatchLine.Compare(PatchLines.GetAt(lRemoveLine-1))!=0))
{
if ((lAddLine < PatchLines.GetCount())&&(sPatchLine.Compare(PatchLines.GetAt(lAddLine))==0))
lAddLine++;
else if (((lAddLine + 1) < PatchLines.GetCount())&&(sPatchLine.Compare(PatchLines.GetAt(lAddLine+1))==0))
lAddLine += 2;
else if ((lRemoveLine < PatchLines.GetCount())&&(sPatchLine.Compare(PatchLines.GetAt(lRemoveLine))==0))
lRemoveLine++;
else
{
m_sErrorMessage.Format(IDS_ERR_PATCH_DOESNOTMATCH, (LPCTSTR)sPatchLine, (LPCTSTR)PatchLines.GetAt(lAddLine-1));
return FALSE;
}
}
lAddLine++;
lRemoveLine++;
}
break;
default:
ASSERT(FALSE);
break;
} // switch (nPatchState)
} // for (j=0; j<chunk->arLines.GetCount(); j++)
} // for (int i=0; i<chunks->chunks.GetCount(); i++)
if (!sSavePath.IsEmpty())
{
PatchLines.Save(sSavePath, false);
}
return TRUE;
}
