wstring
IceUtil::stringToWstring(const string& v, const StringConverterPtr& converter, const WstringConverterPtr& wConverter)
{
wstring target;
if(!v.empty())
{
//
// If there is a narrow string converter use it to convert to UTF8, otherwise the narrow
// string is already UTF8 encoded.
//
string tmp;
if(converter)
{
UTF8BufferI buffer;
Byte* last = converter->toUTF8(v.data(), v.data() + v.size(), buffer);
buffer.swap(tmp, last);
}
else
{
tmp = v;
}
const WstringConverterPtr& wConverterWithDefault = wConverter ? wConverter : getUnicodeWstringConverter();
//
// Convert from UTF-8 to the wide string encoding
//
wConverterWithDefault->fromUTF8(reinterpret_cast<const Byte*>(tmp.data()),
reinterpret_cast<const Byte*>(tmp.data() + tmp.size()), target);
}
return target;
}
string
IceUtil::wstringToString(const wstring& v, const StringConverterPtr& converter, const WstringConverterPtr& wConverter)
{
string target;
if(!v.empty())
{
const WstringConverterPtr& wConverterWithDefault = wConverter ? wConverter : getUnicodeWstringConverter();
//
// First convert to UTF-8 narrow string.
//
UTF8BufferI buffer;
Byte* last = wConverterWithDefault->toUTF8(v.data(), v.data() + v.size(), buffer);
buffer.swap(target, last);
//
// If narrow string converter is present convert to the native narrow string encoding, otherwise
// native narrow string encoding is UTF8 and we are done.
//
if(converter)
{
string tmp;
converter->fromUTF8(reinterpret_cast<const Byte*>(target.data()),
reinterpret_cast<const Byte*>(target.data() + target.size()), tmp);
tmp.swap(target);
}
}
return target;
}
string
IceUtil::nativeToUTF8(const string& str, const IceUtil::StringConverterPtr& converter)
{
if(!converter || str.empty())
{
return str;
}
UTF8BufferI buffer;
Byte* last = converter->toUTF8(str.data(), str.data() + str.size(), buffer);
string result;
buffer.swap(result, last);
return result;
}