// 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);
}
CStrW(const CStrW& s_String)
{
mu16_Buf = 0;
mu32_Size = 0;
Allocate(max(DEFAULT_BUFSIZE, s_String.Len())); // throws
wcscpy(mu16_Buf, s_String);
}
// Adds a folder with all its files and all its subfolders to the CAB file
// sw_Path = "C:\MyFolder\"
// sw_Filter = "*.* or "*.dll"
// b_Compress = FALSE --> store in CAB file without compression
// Do never set or modify s32_BaseLen !!
BOOL AddFolderW(/*NO const*/ CStrW sw_Path, const CStrW& sw_Filter=L"*.*", BOOL b_Compress=TRUE, int s32_BaseLen=-1)
{
CFile::TerminatePathW(sw_Path);
int s32_Len = sw_Path.Len();
if (s32_BaseLen < 0)
s32_BaseLen = s32_Len;
sw_Path += sw_Filter;
WIN32_FIND_DATAW k_Find;
HANDLE h_File = FindFirstFileW(sw_Path, &k_Find);
if (h_File == INVALID_HANDLE_VALUE)
return (GetLastError() == ERROR_FILE_NOT_FOUND);
do
{
if (k_Find.cFileName[0] == '.') // directories "." and ".."
continue;
CStrW sw_File = sw_Path;
sw_File[s32_Len] = 0;
sw_File += k_Find.cFileName;
if (k_Find.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
if (!AddFolderW(sw_File, sw_Filter, b_Compress, s32_BaseLen))
{
FindClose(h_File);
return FALSE;
}
}
else
{
if (!AddFileW(sw_File, (WCHAR*)sw_File + s32_BaseLen, b_Compress))
{
FindClose(h_File);
return FALSE;
}
}
}
while (FindNextFileW(h_File, &k_Find));
FindClose(h_File);
return TRUE;
}
void operator+=(const CStrW& s_String)
{
Allocate(Len() + s_String.Len());
wcscat(mu16_Buf, s_String);
}
void operator=(const CStrW& s_String)
{
Assign(s_String, s_String.Len());
}
