@SuppressWarnings("unchecked")
@JRubyMethod(name = "aliases", meta = true)
public static IRubyObject aliases(ThreadContext context, IRubyObject recv) {
Ruby runtime = context.runtime;
EncodingService service = runtime.getEncodingService();
IRubyObject list[] = service.getEncodingList();
HashEntryIterator i = service.getAliases().entryIterator();
RubyHash result = RubyHash.newHash(runtime);
while (i.hasNext()) {
CaseInsensitiveBytesHash.CaseInsensitiveBytesHashEntry<Entry> e =
((CaseInsensitiveBytesHash.CaseInsensitiveBytesHashEntry<Entry>) i.next());
IRubyObject alias =
RubyString.newUsAsciiStringShared(runtime, e.bytes, e.p, e.end - e.p).freeze(context);
IRubyObject name =
RubyString.newUsAsciiStringShared(runtime, ((RubyEncoding) list[e.value.getIndex()]).name)
.freeze(context);
result.fastASet(alias, name);
}
result.fastASet(
runtime.newString(EXTERNAL),
runtime.newString(new ByteList(runtime.getDefaultExternalEncoding().getName())));
result.fastASet(
runtime.newString(LOCALE),
runtime.newString(new ByteList(service.getLocaleEncoding().getName())));
return result;
}
@JRubyMethod
public IRubyObject convpath(ThreadContext context) {
Ruby runtime = context.runtime;
EncodingService encodingService = runtime.getEncodingService();
// we always pass through UTF-16
IRubyObject utf16Encoding = encodingService.getEncodingList()[UTF16.getIndex()];
return RubyArray.newArray(
runtime,
RubyArray.newArray(runtime, source_encoding(context), utf16Encoding),
RubyArray.newArray(runtime, utf16Encoding, destination_encoding(context)));
}