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/*
* Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved. This
* code is released under a tri EPL/GPL/LGPL license. You can use it,
* redistribute it and/or modify it under the terms of the:
*
* Eclipse Public License version 2.0, or
* GNU General Public License version 2, or
* GNU Lesser General Public License version 2.1.
*
* The contents of this file are subject to the Eclipse Public
* License Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/epl-v20.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2002-2004 Anders Bengtsson
* Copyright (C) 2002-2004 Jan Arne Petersen
* Copyright (C) 2004 Thomas E Enebo
* Copyright (C) 2004 Stefan Matthias Aust
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the EPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the EPL, the GPL or the LGPL.
*/
package org.truffleruby.parser;
import org.prism.Loader;
import org.prism.ParseResult;
import org.truffleruby.core.encoding.Encodings;
import org.truffleruby.core.encoding.RubyEncoding;
import org.truffleruby.core.encoding.TStringUtils;
import java.nio.charset.Charset;
public final class YARPLoader extends Loader {
public static ParseResult load(byte[] serialized, byte[] sourceBytes, RubySource rubySource) {
return new YARPLoader(serialized, sourceBytes, rubySource).load();
}
private final RubyEncoding encoding;
public YARPLoader(byte[] serialized, byte[] sourceBytes, RubySource rubySource) {
super(serialized, sourceBytes);
this.encoding = rubySource.getEncoding();
}
@Override
public Charset getEncodingCharset(String encodingName) {
var rubyEncoding = Encodings.getBuiltInEncoding(encodingName);
assert rubyEncoding == encoding : rubyEncoding + " (" + encodingName + ") vs " + encoding;
return null; // encodingCharset is not used
}
@Override
public String bytesToName(byte[] bytes) {
return TStringUtils.bytesToJavaStringOrThrow(bytes, 0, bytes.length, encoding);
}
}