/***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* 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
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*
* Software distributed under the License is distributed on an "AS
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* rights and limitations under the License.
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* Copyright (C) 2006 Lukas Felber <lfelber@hsr.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.offsetprovider;
import java.util.List;
import org.jruby.ast.Node;
import org.rubypeople.rdt.refactoring.nodewrapper.PartialClassNodeWrapper;
import org.rubypeople.rdt.refactoring.util.FileHelper;
public abstract class OffsetProvider implements IOffsetProvider
{
private String document;
public OffsetProvider(String document)
{
this.document = document;
}
public abstract Node getInsertAfterNode();
public int getOffset()
{
Node insertAfterNode = getInsertAfterNode();
if (insertAfterNode == null)
return Integer.MAX_VALUE;
int lineNr = insertAfterNode.getPositionIncludingComments().getEndLine();
return getLineEndOffset(lineNr - 1);
}
private int getLineEndOffset(int lineNr)
{
String lineDelimiter = FileHelper.getLineDelimiter(document);
int pos = -1;
for (int i = 0; i <= lineNr; i++)
{
pos = document.indexOf(lineDelimiter, pos + 1);
}
if (pos == -1)
return document.length();
return pos;
}
protected Node getLastContentNode(PartialClassNodeWrapper classNode)
{
List<Node> childNodes = classNode.getClassBodyNode().childNodes();
return (Node) childNodes.get(childNodes.size() - 1);
}
}