bool CZipArchive::ExtractFile(WORD uIndex, LPCTSTR lpszPath, DWORD nBufSize)
{
if (!nBufSize)
return false;
CFileHeader header;
GetFileInfo(header, uIndex); // to ensure that slash and oem conversions take place
CString szFile = lpszPath;
szFile.TrimRight(_T("\\"));
szFile += _T("\\") + GetFileDirAndName(header.m_szFileName); // just in case in the archive there are file names with drives
if (IsFileDirectory(uIndex))
{
ForceDirectory(szFile);
SetFileAttributes(szFile, header.m_uExternalAttr);
}
else
{
if (!OpenFile(uIndex))
return false;
ForceDirectory(GetFilePath(szFile));
CFile f(szFile, CFile::modeWrite | CFile::modeCreate | CFile::shareDenyWrite);
DWORD iRead;
CAutoBuffer buf(nBufSize);
do
{
iRead = ReadFile(buf, buf.GetSize());
if (iRead)
f.Write(buf, iRead);
}
while (iRead == buf.GetSize());
CloseFile(f);
}
return true;
}
void DocProvHelper::GeneratePlaceHolderPath(CStdString sFilePath) const
{
if( sFilePath.IsEmpty() )
/* TXTEX_IGNORE */ throw std::exception("GeneratePlaceHolderPath passed an empty string");
if( !ForceDirectory( sFilePath ) )
{
/* TXTEX_IGNORE */ throw std::exception("GeneratePlaceHolderPath failed to create folder");
}
}
bool CZipArchive::ForceDirectory(LPCTSTR lpDirectory)
{
ASSERT(lpDirectory);
CString szDirectory = lpDirectory;
szDirectory.TrimRight(_T("\\"));
if ((GetFilePath(szDirectory) == szDirectory) ||
(FileExists(szDirectory) == -1))
return true;
if (!ForceDirectory(GetFilePath(szDirectory)))
return false;
if (!CreateDirectory(szDirectory, NULL))
return false;
return true;
}
CStdString DocProvHelper::CreatePlaceHolderFile(const CStdString& sDocumentID) const
{
CStdString sPlaceHolderPath;
CStdString sPlaceHolderFile;
GetPlaceHolderPathAndName( sDocumentID, sPlaceHolderPath, sPlaceHolderFile );
/* TXTEX_IGNORE */ CStdString sPlaceFile = sPlaceHolderPath + _T("/") + sPlaceHolderFile;
if( DoesPlaceHolderFileExist( sDocumentID ) )
return sPlaceFile;
ForceDirectory(sPlaceHolderPath);
HANDLE hFile = CreateFile( sPlaceFile, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
if(hFile == INVALID_HANDLE_VALUE)
/* TXTEX_IGNORE */ throw std::exception( "CreatePlaceHolderFile INVALID_HANDLE_VALUE" );
CloseHandle(hFile);
return sPlaceFile;
}
bool DocProvHelper::ForceDirectory(CStdString lpDirectory) const
{
ASSERT(lpDirectory);
CStdString szDirectory = lpDirectory;
/* TXTEX_IGNORE */ szDirectory.TrimRight(_T("\\"));
/* TXTEX_IGNORE */ szDirectory.TrimRight(_T("/"));
if( (GetFilePath(szDirectory) == szDirectory) || CGeneral::FileExists(szDirectory) )
return true;
if (PathIsUNCFolderShare(szDirectory))
return true; // if it_T('s a share assume it exists - it')ll fail at the next level up if not
if(!ForceDirectory(GetFilePath(szDirectory)))
return false;
if (!CreateDirectory(szDirectory, NULL))
return false;
return true;
}
