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/*******************************************************************************
* Copyright (c) 2004, 2008 Wind River Systems, Inc. and others.
* 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:
* Markus Schorn - initial API and implementation
******************************************************************************/
package org.eclipse.cdt.internal.ui.refactoring.rename;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
public class CRefactoringMatchStore {
private Map<IFile, IPath> fFileToPathMap= new HashMap<IFile, IPath>();
private Map<IPath, SortedMap<CRefactoringMatch, CRefactoringMatch>> fPathToMatches= new HashMap<IPath, SortedMap<CRefactoringMatch, CRefactoringMatch>>();
private Comparator<CRefactoringMatch> fOffsetComparator;
public CRefactoringMatchStore() {
fOffsetComparator= new Comparator<CRefactoringMatch>() {
public int compare(CRefactoringMatch o1, CRefactoringMatch o2) {
return o1.getOffset() - o2.getOffset();
}
};
}
public void addMatch(CRefactoringMatch match) {
IPath path= resolvePath(match.getFile());
if (path != null) {
Map<CRefactoringMatch, CRefactoringMatch> matchesForPath= getMapForPath(path, true);
matchesForPath.put(match, match);
}
}
private Map<CRefactoringMatch, CRefactoringMatch> getMapForPath(IPath path, boolean create) {
SortedMap<CRefactoringMatch, CRefactoringMatch> map= fPathToMatches.get(path);
if (map == null && create) {
map= new TreeMap<CRefactoringMatch, CRefactoringMatch>(fOffsetComparator);
fPathToMatches.put(path, map);
}
return map;
}
private IPath resolvePath(IFile file) {
IPath path= fFileToPathMap.get(file);
if (path == null) {
path= file.getLocation();
if (path == null) {
path= file.getFullPath();
}
fFileToPathMap.put(file, path);
}
return path;
}
public int getFileCount() {
return fFileToPathMap.size();
}
public List<IFile> getFileList() {
return new ArrayList<IFile>(fFileToPathMap.keySet());
}
public boolean contains(IResource file) {
return fFileToPathMap.containsKey(file);
}
public Collection<CRefactoringMatch> getMatchesForFile(IResource file) {
return getMatchesForPath(fFileToPathMap.get(file));
}
public Collection<CRefactoringMatch> getMatchesForPath(IPath path) {
if (path != null) {
Map<CRefactoringMatch, CRefactoringMatch> map= fPathToMatches.get(path);
if (map != null) {
return map.keySet();
}
}
return Collections.emptySet();
}
public CRefactoringMatch findMatch(IPath path, int nodeOffset) {
Map<CRefactoringMatch, CRefactoringMatch> map= fPathToMatches.get(path);
if (map != null) {
return map.get(new CRefactoringMatch(null, nodeOffset, 0, 0));
}
return null;
}
public void removePath(IPath path) {
Map<CRefactoringMatch, CRefactoringMatch> map= fPathToMatches.remove(path);
if (map != null && !map.isEmpty()) {
IFile file= (map.values().iterator().next()).getFile();
fFileToPathMap.remove(file);
}
}
public Collection<CRefactoringMatch> findMatchesInRange(Path path, int offset, int end) {
if (path != null) {
SortedMap<CRefactoringMatch, CRefactoringMatch> map= fPathToMatches.get(path);
if (map != null) {
return map.subMap(new CRefactoringMatch(null, offset, 0, 0),
new CRefactoringMatch(null, end, 0, 0)).keySet();
}
}
return Collections.emptySet();
}
}
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