/***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Common Public
* License Version 1.0 (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/cpl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* Copyright (C) 2006 Mirko Stocker <me@misto.ch>
*
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* 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"),
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package org.rubypeople.rdt.refactoring.core.formatsource;
import java.io.PrintWriter;
import java.io.StringWriter;
import org.rubypeople.rdt.core.formatter.FormatHelper;
import org.rubypeople.rdt.core.formatter.ReWriteVisitor;
import org.rubypeople.rdt.core.formatter.ReWriterContext;
import org.rubypeople.rdt.core.formatter.ReWriterFactory;
import org.rubypeople.rdt.internal.core.parser.RubyParser;
import org.rubypeople.rdt.internal.core.parser.RubyParserWithComments;
public class PreviewGeneratorImpl implements PreviewGenerator
{
private String source;
public PreviewGeneratorImpl(String source)
{
this.source = source;
}
public String getPreview(FormatHelper formatHelper)
{
StringWriter writer = new StringWriter();
ReWriterFactory factory = new ReWriterFactory(
new ReWriterContext(new PrintWriter(writer), source, formatHelper));
RubyParser parser = new RubyParserWithComments();
ReWriteVisitor visitor = factory.createReWriteVisitor();
parser.parse(source).getAST().accept(visitor);
visitor.flushStream();
return writer.getBuffer().toString();
}
}