public static IRubyObject getOptionsArg(Ruby runtime, IRubyObject... args) {
if (args.length >= 1) {
return TypeConverter.checkHashType(runtime, args[args.length - 1]);
}
return runtime.getNil();
}
public static IRubyObject getOptionsArg(Ruby runtime, IRubyObject arg) {
return TypeConverter.checkHashType(runtime, arg);
}
@JRubyMethod(required = 2, optional = 4)
public IRubyObject primitive_convert(ThreadContext context, IRubyObject[] args) {
Ruby runtime = context.runtime;
RubyString input;
RubyString output;
int outputByteoffset = -1;
int outputBytesize = 0;
int flags = 0;
int hashArg = -1;
if (args.length > 2 && !args[2].isNil()) {
if (args.length == 3 && args[2] instanceof RubyHash) {
hashArg = 2;
} else {
outputByteoffset = (int) args[2].convertToInteger().getLongValue();
if (outputByteoffset < 0) throw runtime.newArgumentError("negative offset");
}
}
if (args.length > 3 && !args[3].isNil()) {
if (args.length == 4 && args[3] instanceof RubyHash) {
hashArg = 3;
} else {
outputBytesize = (int) args[3].convertToInteger().getLongValue();
if (outputBytesize < 0) throw runtime.newArgumentError("negative bytesize");
}
}
if (args.length > 4 && !args[4].isNil()) {
if (args.length > 5 && !args[5].isNil()) {
throw runtime.newArgumentError(args.length, 5);
}
if (args[4] instanceof RubyHash) {
hashArg = 4;
} else {
flags = (int) args[4].convertToInteger().getLongValue();
}
}
IRubyObject opt = context.nil;
if (hashArg != -1 && !(opt = TypeConverter.checkHashType(runtime, args[hashArg])).isNil()) {
IRubyObject v = ((RubyHash) opt).op_aref(context, runtime.newSymbol("partial_input"));
if (v.isTrue()) {
flags |= EncodingUtils.ECONV_PARTIAL_INPUT;
}
v = ((RubyHash) opt).op_aref(context, runtime.newSymbol("after_output"));
if (v.isTrue()) {
flags |= EncodingUtils.ECONV_AFTER_OUTPUT;
}
} else {
flags = 0;
}
ByteList inBytes;
ByteList outBytes;
if (args[0].isNil()) {
inBytes = new ByteList();
} else {
input = args[0].convertToString();
input.modify19();
inBytes = input.getByteList();
}
output = args[1].convertToString();
output.modify19();
outBytes = output.getByteList();
if (outputByteoffset == -1) {
outputByteoffset = outBytes.getRealSize();
} else if (outputByteoffset > outBytes.getRealSize()) {
throw runtime.newArgumentError("offset too big");
}
int outputByteEnd = outputByteoffset + outputBytesize;
if (outputByteEnd > outBytes.getRealSize()) {
outBytes.ensure(outputByteEnd);
}
RubyCoderResult result =
transcoder.primitiveConvert(
context,
inBytes,
output.getByteList(),
outputByteoffset,
outputBytesize,
inBytes.getEncoding(),
inBytes.getEncoding().isAsciiCompatible(),
flags);
outBytes.setEncoding(
transcoder.outEncoding != null ? transcoder.outEncoding : inBytes.getEncoding());
return symbolFromResult(result, runtime, flags, context);
}