// Extract additional files from the CAB file which has been used in a previous call to ExtractUrlW()
BOOL ExtractMoreUrlW(const CStrW& sw_TargetDir, void* pParam = NULL)
{
mu32_Cache = 0;
// re-open the same connection, re-using the cache's contents or the already downloaded file
BOOL b_Offline;
DWORD u32_ApiErr = mi_Internet.ConnectServer(&b_Offline);
if (u32_ApiErr)
{
if (b_Offline) mi_Error.Set(FDIERROR_MSIE_OFFLINE, u32_ApiErr, 0);
else mi_Error.Set(FDIERROR_INTERNET, u32_ApiErr, 0);
return FALSE;
}
return ExtractFileW(L"*CABINET\\*URL", sw_TargetDir, pParam);
}
// Extract the CAB file at the given URL into the given target directory
// If u16_LocalFile = "" -> a temporary file will be created
// A Cabfile will be written to disk ONLY if u32_Blocksize = 0 !!
// u16_TargetDir = L"" AND Blocksize = 0 --> only download any file from internet to disk
BOOL ExtractUrlW(const CStrW& sw_URL, DWORD u32_Blocksize, const CStrW& sw_LocalFile, const CStrW& sw_TargetDir, void* pParam = NULL)
{
if (!Initialize(sw_URL, sw_LocalFile, u32_Blocksize))
return FALSE;
// Just a download without CAB extraction
if (!u32_Blocksize && sw_LocalFile.Len() && !sw_TargetDir.Len())
{
// The caller may want to access the file immediately -> close all
mi_Internet.CleanUp();
return TRUE;
}
// Pass it on to the base class
return ExtractFileW(L"*CABINET\\*URL", sw_TargetDir, pParam);
}
// Copy the files from the stream which contains a cabinet file
BOOL ExtractStreamW(CStrW sw_TargetDir, void* pParam = NULL)
{
// Pass it on to the base class (the file name is a dummy which is not used)
return ExtractFileW(L"*CABINET\\*STREAM", sw_TargetDir, pParam);
}
BOOL ExtractResourceW(const CStrW& sw_Module, const CStrW& sw_ResName, const CStrW& sw_ResType, const CStrW& sw_TargetDir, void * pParam = NULL)
{
mk_Resource.Set(sw_Module, sw_ResName, 0, sw_ResType, 0);
return ExtractFileW(L"*CABINET\\*RESOURCE", sw_TargetDir, pParam);
}
// Copy the content of the cabinet in the resources to disk
// You can set sw_Module = "" if the cabinet is in the EXE file which created the process
// Otherwise sw_Module must be the filename (without path) of the DLL which contains the CAB resource
// To test this function with the file Test.cab included in this project
// set sw_Module = "" and u32_ResID = ID_CAB_TEST and sw_ResType = "CABFILE"
// because the file Cabinet.rc contains:
// ID_CAB_TEST CABFILE "Res\\Test.cab"
BOOL ExtractResourceW(const CStrW& sw_Module, UINT u32_ResID, UINT u32_ResType, const CStrW& sw_TargetDir, void * pParam = NULL)
{
mk_Resource.Set(sw_Module, L"", u32_ResID, L"", u32_ResType);
return ExtractFileW(L"*CABINET\\*RESOURCE", sw_TargetDir, pParam);
}
