void InitDecoder()
{
CleanupDecoder();
UINT32 numFormats = 0;
GetNumberOfFormats(&numFormats);
for(unsigned int i = 0; i < numFormats; i++)
{
PROPVARIANT var = {VT_EMPTY};
ArchiveFormatInfo info;
GetHandlerProperty2(i, NArchive::kName, &var);
if(var.vt == VT_BSTR)
info.name = wstrToStr(var.bstrVal);
GetHandlerProperty2(i, NArchive::kExtension, &var);
if(var.vt == VT_BSTR)
info.extensions = tokenize(wstrToStr(var.bstrVal), " ");
GetHandlerProperty2(i, NArchive::kStartSignature, &var);
if(var.vt == VT_BSTR)
info.signature = (const char*)var.bstrVal; // note: there's no 100% correct way of doing this with the existing 7-zip interface, but this is much better than using SysStringLen() in any way (it would return 1 for the signature "BZh", for example)
GetHandlerProperty2(i,NArchive::kClassID,&var);
if(var.vt == VT_BSTR)
memcpy(&info.guid, var.bstrVal, 16);
else
memset(&info.guid, 0, 16);
s_formatInfos.push_back(info);
VariantClear((VARIANTARG*)&var);
}
}
HRESULT ArcLib::get_prop(UInt32 index, PROPID prop_id, PROPVARIANT* prop) const {
if (GetHandlerProperty2) {
return GetHandlerProperty2(index, prop_id, prop);
}
else {
assert(index == 0);
return GetHandlerProperty(prop_id, prop);
}
}
