internal MLangDecoder(MLangCodePageEncoding enc) : base()
{
m_encoding = enc;
m_codePage = enc.CodePage;
m_buffer = new byte[enc.m_maxByteSize];
m_bufferCount = 0;
m_context = 0;
}
private static Encoding GetEncodingRare(int codepage)
{
BCLDebug.Assert(codepage != 0 && codepage != 1200 && codepage != 1201 && codepage != 65001, "This code page (" + codepage + " isn't supported by GetEncodingRare!");
Encoding result;
switch (codepage)
{
case 1:
case 2:
case 3:
case 42:
// NOTENOTE YSLin:
// Win32 also allows the following special code page values. We won't allow them except in the
// CP_ACP case.
// #define CP_ACP 0 // default to ANSI code page
// #define CP_OEMCP 1 // default to OEM code page
// #define CP_MACCP 2 // default to MAC code page
// #define CP_THREAD_ACP 3 // current thread's ANSI code page
// #define CP_SYMBOL 42 // SYMBOL translations
throw new ArgumentException(String.Format(Environment.GetResourceString("Argument_CodepageNotSupported"), codepage), "codepage");
case 65000:
result = UTF7;
break;
case 20127:
result = ASCII;
break;
case ISO_8859_1:
result = Latin1;
break;
case ISOKorean:
result = new MLangCodePageEncoding(ISOKorean, ISOKorean_SIZE);
break;
case ChineseSimp:
result = new MLangCodePageEncoding(ChineseSimp, ChineseSimp_SIZE);
break;
case ISCIIAsseme:
case ISCIIBengali:
case ISCIIDevanagari:
case ISCIIGujarathi:
case ISCIIKannada:
case ISCIIMalayalam:
case ISCIIOriya:
case ISCIIPanjabi:
case ISCIITamil:
case ISCIITelugu:
result = new MLangCodePageEncoding(codepage, ISCII_SIZE);
break;
case ISO2022JP:
result = new MLangCodePageEncoding(ISO2022JP, ISO2022JP_SIZE);
break;
case ENC50221:
result = new MLangCodePageEncoding(ENC50221, ENC50221_SIZE);
break;
case ENC50222:
result = new MLangCodePageEncoding(ENC50222, ENC50222_SIZE);
break;
case ENC50227:
result = new MLangCodePageEncoding(ENC50227, ENC50227_SIZE);
break;
case EUCJP:
result = new MLangCodePageEncoding(EUCJP, EUCJP_SIZE);
break;
case GB18030:
result = new GB18030Encoding();
break;
case EUCCN:
result = new MLangCodePageEncoding(EUCCN, EUCCN_SIZE);
break;
case ENC50229:
throw new NotSupportedException(Environment.GetResourceString("NotSupported_CodePage50229"));
default:
result = new CodePageEncoding(codepage);
break;
}
return(result);
}
internal MLangEncoder(MLangCodePageEncoding enc) : base()
{
m_encoding = enc;
m_codePage = enc.CodePage;
}