public RubyEncoding getEncoding(Encoding enc) {
int index = enc.getIndex();
RubyEncoding rubyEncoding;
if (index < encodingIndex.length && (rubyEncoding = encodingIndex[index]) != null) {
return rubyEncoding;
}
enc = loadEncoding(new ByteList(enc.getName(), false));
return encodingIndex[enc.getIndex()];
}
@JRubyMethod
public IRubyObject convpath(ThreadContext context) {
// we always pass through UTF-16
IRubyObject utf16Encoding =
context.runtime.getEncodingService().getEncodingList()[UTF16.getIndex()];
return RubyArray.newArray(
context.runtime,
RubyArray.newArray(context.runtime, srcEncoding, utf16Encoding),
RubyArray.newArray(context.runtime, utf16Encoding, destEncoding));
}
@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)));
}
public Encoding loadEncoding(ByteList name) {
Entry entry = findEncodingOrAliasEntry(name);
if (entry == null) return null;
Encoding enc = entry.getEncoding(); // load the encoding
int index = enc.getIndex();
if (index >= encodingIndex.length) {
RubyEncoding tmp[] = new RubyEncoding[index + 4];
System.arraycopy(encodingIndex, 0, tmp, 0, encodingIndex.length);
encodingIndex = tmp;
}
encodingIndex[index] = (RubyEncoding) encodingList[entry.getIndex()];
return enc;
}