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::wstringToString(const wstring& v, const StringConverterPtr& converter, const WstringConverterPtr& wConverter,
IceUtil::ConversionFlags flags)
{
string target;
if(!v.empty())
{
//
// First convert to UTF8 narrow string.
//
if(wConverter)
{
UTF8BufferI buffer;
Byte* last = wConverter->toUTF8(v.data(), v.data() + v.size(), buffer);
target = string(reinterpret_cast<const char*>(buffer.getBuffer()), last - buffer.getBuffer());
}
else
{
size_t size = v.size() * 4 * sizeof(char);
Byte* outBuf = new Byte[size];
Byte* targetStart = outBuf;
Byte* targetEnd = outBuf + size;
const wchar_t* sourceStart = v.data();
ConversionResult cr =
convertUTFWstringToUTF8(
sourceStart, sourceStart + v.size(),
targetStart, targetEnd, flags);
if(cr != conversionOK)
{
delete[] outBuf;
assert(cr == sourceExhausted || cr == sourceIllegal);
throw IllegalConversionException(__FILE__, __LINE__,
cr == sourceExhausted ? "partial character" : "bad encoding");
}
target = string(reinterpret_cast<char*>(outBuf), static_cast<size_t>(targetStart - outBuf));
delete[] outBuf;
}
//
// 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;
}
wstring
IceUtil::stringToWstring(const string& v, const StringConverterPtr& converter,
const WstringConverterPtr& wConverter, IceUtil::ConversionFlags flags)
{
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);
tmp = string(reinterpret_cast<const char*>(buffer.getBuffer()), last - buffer.getBuffer());
}
else
{
tmp = v;
}
//
// If there is a wide string converter use fromUTF8 to convert to the wide string native encoding.
//
if(wConverter)
{
wConverter->fromUTF8(reinterpret_cast<const Byte*>(tmp.data()),
reinterpret_cast<const Byte*>(tmp.data() + tmp.size()), target);
}
else
{
const Byte* sourceStart = reinterpret_cast<const Byte*>(tmp.data());
ConversionResult cr =
convertUTF8ToUTFWstring(sourceStart, sourceStart + tmp.size(), target, flags);
if(cr != conversionOK)
{
assert(cr == sourceExhausted || cr == sourceIllegal);
throw IllegalConversionException(__FILE__, __LINE__,
cr == sourceExhausted ? "partial character" : "bad encoding");
}
}
}
return target;
}
