/*******************************************************************************
* Copyright (c) 2000, 2007 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.jsdt.internal.corext.dom;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import org.eclipse.text.edits.TextEditGroup;
import org.eclipse.wst.jsdt.core.dom.AST;
import org.eclipse.wst.jsdt.core.dom.ASTNode;
import org.eclipse.wst.jsdt.core.dom.AbstractTypeDeclaration;
import org.eclipse.wst.jsdt.core.dom.AnonymousClassDeclaration;
import org.eclipse.wst.jsdt.core.dom.Block;
import org.eclipse.wst.jsdt.core.dom.FieldDeclaration;
import org.eclipse.wst.jsdt.core.dom.SingleVariableDeclaration;
import org.eclipse.wst.jsdt.core.dom.Type;
import org.eclipse.wst.jsdt.core.dom.VariableDeclarationExpression;
import org.eclipse.wst.jsdt.core.dom.VariableDeclarationFragment;
import org.eclipse.wst.jsdt.core.dom.VariableDeclarationStatement;
import org.eclipse.wst.jsdt.core.dom.rewrite.ASTRewrite;
import org.eclipse.wst.jsdt.core.dom.rewrite.ListRewrite;
/**
*
* Provisional API: This class/interface is part of an interim API that is still under development and expected to
* change significantly before reaching stability. It is being made available at this early stage to solicit feedback
* from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
* (repeatedly) as the API evolves.
*/
public class VariableDeclarationRewrite {
public static void rewriteModifiers(final SingleVariableDeclaration declarationNode, final int includedModifiers, final int excludedModifiers, final ASTRewrite rewrite, final TextEditGroup group) {
ModifierRewrite listRewrite= ModifierRewrite.create(rewrite, declarationNode);
listRewrite.setModifiers(includedModifiers, excludedModifiers, group);
}
public static void rewriteModifiers(final VariableDeclarationExpression declarationNode, final int includedModifiers, final int excludedModifiers, final ASTRewrite rewrite, final TextEditGroup group) {
ModifierRewrite listRewrite= ModifierRewrite.create(rewrite, declarationNode);
listRewrite.setModifiers(includedModifiers, excludedModifiers, group);
}
public static void rewriteModifiers(final FieldDeclaration declarationNode, final VariableDeclarationFragment[] toChange, final int includedModifiers, final int excludedModifiers, final ASTRewrite rewrite, final TextEditGroup group) {
final List fragmentsToChange= Arrays.asList(toChange);
AST ast= declarationNode.getAST();
List fragments= declarationNode.fragments();
Iterator iter= fragments.iterator();
ListRewrite blockRewrite;
if (declarationNode.getParent() instanceof AbstractTypeDeclaration) {
blockRewrite= rewrite.getListRewrite(declarationNode.getParent(), ((AbstractTypeDeclaration)declarationNode.getParent()).getBodyDeclarationsProperty());
} else {
blockRewrite= rewrite.getListRewrite(declarationNode.getParent(), AnonymousClassDeclaration.BODY_DECLARATIONS_PROPERTY);
}
VariableDeclarationFragment lastFragment= (VariableDeclarationFragment)iter.next();
ASTNode lastStatement= declarationNode;
int orginalModifiers= declarationNode.getModifiers();
if (fragmentsToChange.contains(lastFragment)) {
ListRewrite modifierRewrite= rewrite.getListRewrite(declarationNode, FieldDeclaration.MODIFIERS2_PROPERTY);
for (Iterator iterator= declarationNode.modifiers().iterator(); iterator.hasNext();) {
ASTNode node= (ASTNode)iterator.next();
modifierRewrite.remove(node, group);
}
List newModifiers= ast.newModifiers((orginalModifiers & ~excludedModifiers) | includedModifiers);
for (Iterator iterator= newModifiers.iterator(); iterator.hasNext();) {
modifierRewrite.insertLast((ASTNode)iterator.next(), group);
}
}
ListRewrite fragmentsRewrite= null;
while (iter.hasNext()) {
VariableDeclarationFragment currentFragment= (VariableDeclarationFragment)iter.next();
if (fragmentsToChange.contains(lastFragment) != fragmentsToChange.contains(currentFragment)) {
FieldDeclaration newStatement= ast.newFieldDeclaration((VariableDeclarationFragment)rewrite.createMoveTarget(currentFragment));
newStatement.setType((Type)rewrite.createCopyTarget(declarationNode.getType()));
if (fragmentsToChange.contains(currentFragment)) {
newStatement.modifiers().addAll(ast.newModifiers((orginalModifiers & ~excludedModifiers) | includedModifiers));
} else {
newStatement.modifiers().addAll(ast.newModifiers(orginalModifiers));
}
blockRewrite.insertAfter(newStatement, lastStatement, group);
fragmentsRewrite= rewrite.getListRewrite(newStatement, FieldDeclaration.FRAGMENTS_PROPERTY);
lastStatement= newStatement;
} else if (fragmentsRewrite != null) {
ASTNode fragment0= rewrite.createMoveTarget(currentFragment);
fragmentsRewrite.insertLast(fragment0, group);
}
lastFragment= currentFragment;
}
}
public static void rewriteModifiers(final VariableDeclarationStatement declarationNode, final VariableDeclarationFragment[] toChange, final int includedModifiers, final int excludedModifiers, ASTRewrite rewrite, final TextEditGroup group) {
final List fragmentsToChange= Arrays.asList(toChange);
AST ast= declarationNode.getAST();
List fragments= declarationNode.fragments();
Iterator iter= fragments.iterator();
ListRewrite blockRewrite= rewrite.getListRewrite(declarationNode.getParent(), Block.STATEMENTS_PROPERTY);
VariableDeclarationFragment lastFragment= (VariableDeclarationFragment)iter.next();
ASTNode lastStatement= declarationNode;
int orginalModifiers= declarationNode.getModifiers();
if (fragmentsToChange.contains(lastFragment)) {
ListRewrite modifierRewrite= rewrite.getListRewrite(declarationNode, VariableDeclarationStatement.MODIFIERS2_PROPERTY);
for (Iterator iterator= declarationNode.modifiers().iterator(); iterator.hasNext();) {
ASTNode node= (ASTNode)iterator.next();
modifierRewrite.remove(node, group);
}
List newModifiers= ast.newModifiers((orginalModifiers & ~excludedModifiers) | includedModifiers);
for (Iterator iterator= newModifiers.iterator(); iterator.hasNext();) {
modifierRewrite.insertLast((ASTNode)iterator.next(), group);
}
}
ListRewrite fragmentsRewrite= null;
while (iter.hasNext()) {
VariableDeclarationFragment currentFragment= (VariableDeclarationFragment)iter.next();
if (fragmentsToChange.contains(lastFragment) != fragmentsToChange.contains(currentFragment)) {
VariableDeclarationStatement newStatement= ast.newVariableDeclarationStatement((VariableDeclarationFragment)rewrite.createMoveTarget(currentFragment));
newStatement.setType((Type)rewrite.createCopyTarget(declarationNode.getType()));
if (fragmentsToChange.contains(currentFragment)) {
newStatement.modifiers().addAll(ast.newModifiers((orginalModifiers & ~excludedModifiers) | includedModifiers));
} else {
newStatement.modifiers().addAll(ast.newModifiers(orginalModifiers));
}
blockRewrite.insertAfter(newStatement, lastStatement, group);
fragmentsRewrite= rewrite.getListRewrite(newStatement, VariableDeclarationStatement.FRAGMENTS_PROPERTY);
lastStatement= newStatement;
} else if (fragmentsRewrite != null) {
ASTNode fragment0= rewrite.createMoveTarget(currentFragment);
fragmentsRewrite.insertLast(fragment0, group);
}
lastFragment= currentFragment;
}
}
}