boost::filesystem::wpath Platform::resolveShortcut(const boost::filesystem::wpath& path_to_shortcut) {
try {
CComPtr<IShellLink> psl;
HRESULT hr = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**) &psl);
if (FAILED(hr)) {
throw_GetLastError("resolveShortcut (CoCreateInstance(CLSID_ShellLink))");
}
CComQIPtr<IPersistFile> ppf(psl);
if (!ppf) throw std::runtime_error("IPersistFile");
if (FAILED(ppf->Load(path_to_shortcut.file_string().c_str(), STGM_READ))) throw_GetLastError("resolveShortcut (IPersistFile::Load)");
WCHAR resPath[MAX_PATH];
if (FAILED(psl->GetPath(resPath, MAX_PATH, NULL, 0 /*todo: might need a flag here*/ ))) throw_GetLastError("resolveShortcut (IShellLink::GetPath)");
return boost::filesystem::wpath(resPath);
} catch (const std::exception& e) {
throw boost::filesystem::wfilesystem_error(e.what(), path_to_shortcut, boost::system::errc::make_error_code(boost::system::errc::bad_address));
}
}
bool Platform::pathIsSystem(const boost::filesystem::wpath& path_to_investigate) {
DWORD attr = GetFileAttributesW(path_to_investigate.file_string().c_str());
if (attr == INVALID_FILE_ATTRIBUTES) return false;
return (attr & FILE_ATTRIBUTE_SYSTEM);
}