ACE_UTF32_Encoding_Converter*
ACE_UTF32_Encoding_Converter::encoded (const ACE_Byte* source,
size_t source_size)
{
static const size_t begin = 16;
static const size_t converted = begin * 4;
ACE_Byte target[converted];
ACE_UTF32_Encoding_Converter* converter = 0;
ACE_NEW_RETURN (converter,
ACE_UTF32_Encoding_Converter (false),
0);
if (converter->to_utf8 (source,
ACE_MIN (begin, source_size),
target,
converted) == CONVERSION_OK)
{
return converter;
}
else
{
delete converter;
}
return 0;
}
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ACE_Encoding_Converter*
ACE_Encoding_Converter_Factory::create (
const ACE_Byte* source,
size_t source_size,
ACE_Encoding_Converter_Factory::Encoding_Hint hint)
{
#if defined (ACE_BIG_ENDIAN)
bool const convert_for_bigendian = true;
#else
bool const convert_for_bigendian = false;
#endif /* ACE_BIG_ENDIAN */
ACE_Encoding_Converter* converter = 0;
switch (hint)
{
case ACE_UTF_32BE:
ACE_NEW_RETURN (converter,
ACE_UTF32_Encoding_Converter (!convert_for_bigendian),
0);
break;
case ACE_UTF_32LE:
ACE_NEW_RETURN (converter,
ACE_UTF32_Encoding_Converter (convert_for_bigendian),
0);
break;
case ACE_UTF_16BE:
ACE_NEW_RETURN (converter,
ACE_UTF16_Encoding_Converter (!convert_for_bigendian),
0);
break;
case ACE_UTF_16LE:
ACE_NEW_RETURN (converter,
ACE_UTF16_Encoding_Converter (convert_for_bigendian),
0);
break;
case ACE_UTF_8:
ACE_NEW_RETURN (converter,
ACE_UTF8_Encoding_Converter,
0);
break;
default:
// First check for ASCII since much of ASCII text will appear to
// convert from UTF-16 to UTF-8.
converter = ACE_UTF8_Encoding_Converter::encoded (source, source_size);
if (converter != 0)
return converter;
// Check for UTF-32
converter = ACE_UTF32_Encoding_Converter::encoded (source, source_size);
if (converter != 0)
return converter;
// Check for UTF-16
converter = ACE_UTF16_Encoding_Converter::encoded (source, source_size);
if (converter != 0)
return converter;
}
return converter;
}