std::string CommandLine::GetSwitchValueASCII(
const std::string& switch_string) const
{
StringType value = GetSwitchValueNative(switch_string);
if(!IsStringASCII(value))
{
LOG(WARNING) << "Value of --" << switch_string << " must be ASCII.";
return "";
}
return WideToASCII(value);
}
std::string CommandLine::GetSwitchValueASCII(
const std::string& switch_string) const {
StringType value = GetSwitchValueNative(switch_string);
//if (!IsStringASCII(value)) {
// DLOG(WARNING) << "Value of switch (" << switch_string << ") must be ASCII.";
// return std::string();
//}
#if defined(OS_WIN)
return WideToASCII(value);
#else
return value;
#endif
}
std::string GenerateGUID()
{
GUID guid;
auto rv = CoCreateGuid(&guid);
assert(SUCCEEDED(rv));
if (!SUCCEEDED(rv)) {
return std::string();
}
const int kGUIDStrSize = 40;
std::array<wchar_t, kGUIDStrSize> guid_str;
int count_written = StringFromGUID2(guid, guid_str.data(), kGUIDStrSize);
// Since GUID contains ASCII-only characters, it is safe to do this conversion.
// Strips off { and }.
return count_written ?
WideToASCII(WStringView(guid_str.data() + 1, count_written - 3)) :
std::string();
}
bool CommandLine::IsSwitch(const StringType& parameter_string,
std::string* switch_string, StringType* switch_value)
{
switch_string->clear();
switch_value->clear();
for(size_t i=0; i<arraysize(kSwitchPrefixes); ++i)
{
StringType prefix(kSwitchPrefixes[i]);
if(parameter_string.find(prefix) != 0)
{
continue;
}
const size_t switch_start = prefix.length();
const size_t equals_position = parameter_string.find(
kSwitchValueSeparator, switch_start);
StringType switch_native;
if(equals_position == StringType::npos)
{
switch_native = parameter_string.substr(switch_start);
}
else
{
switch_native = parameter_string.substr(
switch_start, equals_position-switch_start);
*switch_value = parameter_string.substr(equals_position+1);
}
*switch_string = WideToASCII(switch_native);
Lowercase(switch_string);
return true;
}
return false;
}
