/*******************************************************************************
* Copyright (c) 2010 György Orosz.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* György Orosz - initial API and implementation
******************************************************************************/
package org.erlide.wrangler.refactoring.duplicatedcode.core;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.core.resources.IFile;
import org.erlide.wrangler.refactoring.duplicatedcode.ui.elements.DuplicatedCodeElement;
import org.erlide.wrangler.refactoring.duplicatedcode.ui.elements.DuplicatedCodeInstanceElement;
import org.erlide.wrangler.refactoring.selection.IErlSelection;
import org.erlide.wrangler.refactoring.util.GlobalParameters;
import com.ericsson.otp.erlang.OtpErlangList;
import com.ericsson.otp.erlang.OtpErlangLong;
import com.ericsson.otp.erlang.OtpErlangObject;
import com.ericsson.otp.erlang.OtpErlangString;
import com.ericsson.otp.erlang.OtpErlangTuple;
/**
* Parser class for expression search refactoring
*
* @author Gyorgy Orosz
*
*/
public class ExpressionSearchParser extends AbstractDuplicatesParser {
/**
* Constructor
*
* @param obj
* object to be parsed
*/
public ExpressionSearchParser(final OtpErlangObject obj) {
super(obj);
}
@Override
public void parse(final OtpErlangObject object) {
try {
final OtpErlangTuple res = (OtpErlangTuple) object;
if (!res.elementAt(0).toString().equals("ok")) {
setUnSuccessful(((OtpErlangString) res.elementAt(1)).stringValue());
return;
}
if (res.elementAt(1).equals(new OtpErlangList())) {
setUnSuccessful("No more instances found!");
return;
}
final OtpErlangList posList = (OtpErlangList) res.elementAt(1);
OtpErlangTuple actPos;
OtpErlangLong startLine, startColumn, endLine, endColumn;
final ArrayList<DuplicatedCodeInstanceElement> instances = new ArrayList<DuplicatedCodeInstanceElement>();
final Iterator<OtpErlangObject> it = posList.iterator();
while (it.hasNext()) {
actPos = (OtpErlangTuple) it.next();
startLine = (OtpErlangLong) ((OtpErlangTuple) actPos.elementAt(0))
.elementAt(0);
startColumn = (OtpErlangLong) ((OtpErlangTuple) actPos.elementAt(0))
.elementAt(1);
endLine = (OtpErlangLong) ((OtpErlangTuple) actPos.elementAt(1))
.elementAt(0);
endColumn = (OtpErlangLong) ((OtpErlangTuple) actPos.elementAt(1))
.elementAt(1);
final IErlSelection sel = GlobalParameters.getWranglerSelection();
instances.add(new DuplicatedCodeInstanceElement((IFile) sel
.getErlElement().getResource(), startLine.intValue(), startColumn
.intValue(), endLine.intValue(), endColumn.intValue() + 1));
}
final DuplicatedCodeInstanceElement defaultInstance = instances.get(0);
final DuplicatedCodeElement result = new DuplicatedCodeElement(
defaultInstance);
for (final DuplicatedCodeInstanceElement instance : instances) {
result.addChild(instance);
}
isSuccessful = true;
errorMessage = null;
duplicates = new ArrayList<DuplicatedCodeElement>();
duplicates.add(result);
} catch (final Exception e) {
setUnSuccessful(e.getMessage());
}
}
}