public static MutableString EncodeInPlace(
ConversionStorage<IDictionary<object, object>>/*!*/ toHash,
ConversionStorage<MutableString>/*!*/ toStr,
MutableString/*!*/ self,
[Optional]object toEncoding,
[Optional]object fromEncoding,
[DefaultParameterValue(null), DefaultProtocol]IDictionary<object, object> options)
{
Protocols.TryConvertToOptions(toHash, ref options, ref toEncoding, ref fromEncoding);
// encodings:
RubyEncoding to, from;
MutableString toEncodingName = null, fromEncodingName = null;
if (toEncoding == Missing.Value) {
to = toStr.Context.DefaultInternalEncoding;
if (to == null) {
return self;
}
} else {
to = toEncoding as RubyEncoding;
if (to == null) {
toEncodingName = Protocols.CastToString(toStr, toEncoding);
}
}
if (fromEncoding == Missing.Value) {
from = self.Encoding;
} else {
from = fromEncoding as RubyEncoding;
if (from == null) {
fromEncodingName = Protocols.CastToString(toStr, fromEncoding);
}
}
try {
if (fromEncodingName != null) {
from = toStr.Context.GetRubyEncoding(fromEncodingName);
}
if (toEncodingName != null) {
to = toStr.Context.GetRubyEncoding(toEncodingName);
}
} catch (ArgumentException) {
throw new ConverterNotFoundError(RubyExceptions.FormatMessage("code converter not found ({0} to {1})",
(fromEncodingName != null) ? fromEncodingName.ToAsciiString() : from.Name,
(toEncodingName != null) ? toEncodingName.ToAsciiString() : to.Name
));
}
self.RequireNotFrozen();
// options:
// TODO: options
// :invalid => :replace
// :undef => :replace, :replace => ""
// :xml => :text
// :xml => :attr
self.Transcode(from, to);
return self;
}
