private static PythonTuple DoEncode(Encoding encoding, object input, string errors, bool includePreamble)
{
// input should be some Unicode object
string res;
if (Converter.TryConvertToString(input, out res))
{
StringBuilder sb = new StringBuilder();
encoding = (Encoding)encoding.Clone();
#if FEATURE_ENCODING // EncoderFallback
StringOps.SetEncoderFallback(encoding, EncoderFallback.ExceptionFallback);
#endif
if (includePreamble)
{
byte[] preamble = encoding.GetPreamble();
for (int i = 0; i < preamble.Length; i++)
{
sb.Append((char)preamble[i]);
}
}
byte[] bytes = encoding.GetBytes(res);
for (int i = 0; i < bytes.Length; i++)
{
sb.Append((char)bytes[i]);
}
return(PythonTuple.MakeTuple(sb.ToString(), res.Length));
}
throw PythonOps.TypeErrorForBadInstance("cannot decode {0}", input);
}
internal static Encoding MakeNonThrowing()
{
Encoding enc = new PythonAsciiEncoding();
#if FEATURE_ENCODING
// we need to Clone the new instance here so that the base class marks us as non-readonly
enc = (Encoding)enc.Clone();
StringOps.SetDecoderFallback(enc, new NonStrictDecoderFallback());
StringOps.SetEncoderFallback(enc, new NonStrictEncoderFallback());
#endif
return(enc);
}
