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/*******************************************************************************
* Copyright (c) 2008 Institute for Software, HSR Hochschule fuer Technik
* Rapperswil, University of applied sciences 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:
* Institute for Software - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.refactoring.gettersandsetters;
import java.util.ArrayList;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.cdt.core.dom.ast.ASTNodeProperty;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTCompositeTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDeclarator;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
import org.eclipse.cdt.core.dom.ast.cpp.CPPASTVisitor;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.internal.ui.refactoring.AddDeclarationNodeToClassChange;
import org.eclipse.cdt.internal.ui.refactoring.CRefactoring;
import org.eclipse.cdt.internal.ui.refactoring.Container;
import org.eclipse.cdt.internal.ui.refactoring.ModificationCollector;
import org.eclipse.cdt.internal.ui.refactoring.utils.SelectionHelper;
import org.eclipse.cdt.internal.ui.refactoring.utils.VisibilityEnum;
/**
* @author Thomas Corbat
*
*/
public class GenerateGettersAndSettersRefactoring extends CRefactoring {
private final class CompositeTypeSpecFinder extends CPPASTVisitor {
private final int start;
private final Container<IASTCompositeTypeSpecifier> container;
{
shouldVisitDeclSpecifiers = true;
}
private CompositeTypeSpecFinder(int start, Container<IASTCompositeTypeSpecifier> container) {
this.start = start;
this.container = container;
}
@Override
public int visit(IASTDeclSpecifier declSpec) {
if (declSpec instanceof IASTCompositeTypeSpecifier) {
IASTFileLocation loc = declSpec.getFileLocation();
if(start > loc.getNodeOffset() && start < loc.getNodeOffset()+ loc.getNodeLength()) {
container.setObject((IASTCompositeTypeSpecifier) declSpec);
return ASTVisitor.PROCESS_ABORT;
}
}
return super.visit(declSpec);
}
}
private static final String MEMBER_DECLARATION = "MEMBER_DECLARATION"; //$NON-NLS-1$
private final GetterAndSetterContext context = new GetterAndSetterContext();
public GenerateGettersAndSettersRefactoring(IFile file, ISelection selection, ICElement element) {
super(file, selection, element);
}
@Override
public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException, OperationCanceledException {
SubMonitor sm = SubMonitor.convert(pm, 10);
super.checkInitialConditions(sm.newChild(6));
if(!initStatus.hasFatalError()) {
initRefactoring(pm);
if(context.existingFields.size() == 0) {
initStatus.addFatalError(Messages.GenerateGettersAndSettersRefactoring_NoFields);
}
}
return initStatus;
}
private void initRefactoring(IProgressMonitor pm) {
loadTranslationUnit(initStatus, pm);
context.setUnit(unit);
context.selectedName = getSelectedName();
IASTCompositeTypeSpecifier compositeTypeSpecifier = null;
if(context.selectedName != null) {
compositeTypeSpecifier = getCompositeTypeSpecifier(context.selectedName);
}else {
compositeTypeSpecifier = findCurrentCompositeTypeSpecifier();
}
if(compositeTypeSpecifier != null) {
findDeclarations(compositeTypeSpecifier);
}else {
initStatus.addFatalError(Messages.GenerateGettersAndSettersRefactoring_NoCassDefFound);
}
}
private IASTCompositeTypeSpecifier findCurrentCompositeTypeSpecifier() {
final int start = region.getOffset();
Container<IASTCompositeTypeSpecifier> container = new Container<IASTCompositeTypeSpecifier>();
unit.accept(new CompositeTypeSpecFinder(start, container));
return container.getObject();
}
private IASTCompositeTypeSpecifier getCompositeTypeSpecifier(IASTName selectedName) {
IASTNode node = selectedName;
while(node != null && !(node instanceof IASTCompositeTypeSpecifier)) {
node = node.getParent();
}
return (IASTCompositeTypeSpecifier) node;
}
private IASTName getSelectedName() {
ArrayList<IASTName> names = findAllMarkedNames();
if (names.size() < 1) {
return null;
}
return names.get(names.size()-1);
}
protected void findDeclarations(IASTCompositeTypeSpecifier compositeTypeSpecifier) {
compositeTypeSpecifier.accept(new CPPASTVisitor() {
{
shouldVisitDeclarations = true;
}
@Override
public int visit(IASTDeclaration declaration) {
if (declaration instanceof IASTSimpleDeclaration) {
IASTSimpleDeclaration fieldDeclaration = (IASTSimpleDeclaration) declaration;
ASTNodeProperty props = fieldDeclaration.getPropertyInParent();
if (props.getName().contains(MEMBER_DECLARATION)) {
final IASTDeclarator[] declarators = fieldDeclaration.getDeclarators();
if (declarators.length > 0) {
if ((declarators[0] instanceof IASTFunctionDeclarator)) {
context.existingFunctionDeclarations.add(fieldDeclaration);
} else {
if(SelectionHelper.isInSameFile(fieldDeclaration, file)){
context.existingFields.add(fieldDeclaration);
}
}
}
}
}
if (declaration instanceof IASTFunctionDefinition) {
IASTFunctionDefinition functionDefinition = (IASTFunctionDefinition) declaration;
ASTNodeProperty props = functionDefinition.getPropertyInParent();
if (props.getName().contains(MEMBER_DECLARATION)) {
context.existingFunctionDefinitions.add(functionDefinition);
}
}
return super.visit(declaration);
}
});
}
@Override
protected void collectModifications(IProgressMonitor pm,ModificationCollector collector) throws CoreException, OperationCanceledException {
ArrayList<IASTNode> getterAndSetters = new ArrayList<IASTNode>();
for(GetterSetterInsertEditProvider currentProvider : context.selectedFunctions){
getterAndSetters.add(currentProvider.getFunction());
}
ICPPASTCompositeTypeSpecifier classDefinition = (ICPPASTCompositeTypeSpecifier) context.existingFields.get(context.existingFields.size()-1).getParent();
AddDeclarationNodeToClassChange.createChange(classDefinition, VisibilityEnum.v_public, getterAndSetters, false, collector);
}
public GetterAndSetterContext getContext() {
return context;
}
public Region getRegion() {
return region;
}
}
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