tTVPLocalTempStorageHolder::tTVPLocalTempStorageHolder(const ttstr & name)
{
// name must be normalized !!!
FileMustBeDeleted = false;
FolderMustBeDeleted = false;
LocalName = TVPGetLocallyAccessibleName(name);
if(LocalName.IsEmpty())
{
// file must be copied to local filesystem
// note that the basename is much more important than the directory
// which the file is to be in, so we create a temporary folder and
// store the file in it.
LocalFolder = TVPGetTemporaryName();
LocalName = LocalFolder + TJS_W("/") + TVPExtractStorageName(name);
TVPCreateFolders(LocalFolder); // create temporary folder
FolderMustBeDeleted = true;
FileMustBeDeleted = true;
try
{
// copy to local file
tTVPStreamHolder src(name);
tTVPStreamHolder dest(LocalName, TJS_BS_WRITE);
tjs_uint8 * buffer = new tjs_uint8[TVP_LOCAL_TEMP_COPY_BLOCK_SIZE];
try
{
tjs_uint read;
while(true)
{
read = src->Read(buffer, TVP_LOCAL_TEMP_COPY_BLOCK_SIZE);
if(read == 0) break;
dest->WriteBuffer(buffer, read);
}
}
catch(...)
{
delete [] buffer;
throw;
}
delete [] buffer;
}
catch(...)
{
if(FileMustBeDeleted) TVPRemoveFile(LocalName);
if(FolderMustBeDeleted) TVPRemoveFolder(LocalFolder);
throw;
}
}
}
//---------------------------------------------------------------------------
// TVPCheckSusieSupport : checks which plugin supports specified archive
//---------------------------------------------------------------------------
tTVPSusieArchivePlugin * TVPCheckSusieSupport(const ttstr &name, std::wstring &a_localname)
{
if(TVPSusiePluginVector.size() == 0) return NULL;
ttstr localname = TVPGetLocallyAccessibleName(name);
tTVPLocalFileStream stream(name, localname, TJS_BS_READ);
if(localname.GetLen() == 0) return NULL; // only local filesystem stream is supported
a_localname = localname.AsStdString();
std::vector<tTVPSusieArchivePlugin*>::iterator i;
for(i = TVPSusiePluginVector.end() - 1; i >= TVPSusiePluginVector.begin(); i--)
{
stream.SetPosition(0);
if((*i)->CheckSupported(&stream, localname.AsNarrowStdString()))
return *i;
}
return NULL;
}
