/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache 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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package flex2.compiler.as3;
import flex2.compiler.Source;
import flex2.compiler.as3.reflect.MetaData;
import flex2.compiler.util.CompilerMessage;
import flex2.compiler.util.ThreadLocalToolkit;
import macromedia.asc.parser.MetaDataNode;
import macromedia.asc.parser.Parser;
import macromedia.asc.util.Context;
import macromedia.asc.util.ContextStatics;
/**
* This utility class is used to parse metadata.
*
* @author Paul Reilly
*/
public class MetaDataParser
{
/**
* @param file where the metadata string is located.
* @param md
*/
public static MetaData parse(ContextStatics perCompileData, Source file, final int beginLine, String md)
{
StringBuilder stringBuffer = new StringBuilder();
stringBuffer.append("[");
stringBuffer.append(md);
stringBuffer.append("]");
// C: Is it possible to find out the encoding of the string from the source?
/*InputStream inputStream = null;
try
{
inputStream = new ByteArrayInputStream(stringBuffer.toString().getBytes("UTF-8"));
}
catch (UnsupportedEncodingException ex)
{
// not possible...
}*/
Context context = new Context((ContextStatics) perCompileData);
context.setPath(file.getParent());
context.setScriptName(file.getName());
context.setHandler(new flex2.compiler.as3.As3Compiler.CompilerHandler()
{
public void error2(String filename, int ln, int col, Object msg, String source)
{
ThreadLocalToolkit.log(new InvalidMetadataFormatError(), filename, beginLine);
}
public void warning2(String filename, int ln, int col, Object msg, String source)
{
ThreadLocalToolkit.log(new InvalidMetadataFormatWarning(), filename, beginLine);
}
public void error(String filename, int ln, int col, String msg, String source, int errorCode)
{
ThreadLocalToolkit.log(new InvalidMetadataFormatError(), filename, beginLine);
}
public void error(String filename, int ln, int col, String msg, String source)
{
ThreadLocalToolkit.log(new InvalidMetadataFormatError(), filename, beginLine);
}
public void warning(String filename, int ln, int col, String msg, String source, int errorCode)
{
ThreadLocalToolkit.log(new InvalidMetadataFormatWarning(), filename, beginLine);
}
public void warning(String filename, int ln, int col, String msg, String source)
{
ThreadLocalToolkit.log(new InvalidMetadataFormatWarning(), filename, beginLine);
}
public FileInclude findFileInclude(String parentPath, String filespec)
{
return null;
}
});
((ContextStatics) perCompileData).handler = context.getHandler();
Parser parser = new Parser(context, stringBuffer.toString(), file.getName());
MetaDataNode metaDataNode = parser.parseMetaData();
macromedia.asc.parser.MetaDataEvaluator metaDataEvaluator = new macromedia.asc.parser.MetaDataEvaluator();
metaDataNode.evaluate(context, metaDataEvaluator);
return context.errorCount() > 0 ? null : new MetaData(metaDataNode);
}
// error messages
public static class InvalidMetadataFormatError extends CompilerMessage.CompilerError
{
private static final long serialVersionUID = -6441349221772507527L;
public InvalidMetadataFormatError()
{
super();
}
}
public static class InvalidMetadataFormatWarning extends CompilerMessage.CompilerWarning
{
private static final long serialVersionUID = -9004017223630883454L;
public InvalidMetadataFormatWarning()
{
super();
}
}
}