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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.psi.impl.source.tree.java;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.tree.*;
import com.intellij.psi.tree.ChildRoleBase;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.tree.TokenSet;
import com.intellij.util.CharTable;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
/**
* @author ven
*/
public class AnnotationParamListElement extends CompositeElement {
private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.source.tree.java.AnnotationParamListElement");
private static final TokenSet NAME_VALUE_PAIR_BIT_SET = TokenSet.create(JavaElementType.NAME_VALUE_PAIR);
public AnnotationParamListElement() {
super(JavaElementType.ANNOTATION_PARAMETER_LIST);
}
@Override
public int getChildRole(ASTNode child) {
IElementType i = child.getElementType();
if (i == JavaTokenType.COMMA) {
return ChildRole.COMMA;
}
else if (i == JavaTokenType.LPARENTH) {
return ChildRole.LPARENTH;
}
else if (i == JavaTokenType.RPARENTH) {
return ChildRole.RPARENTH;
}
else if (ElementType.ANNOTATION_MEMBER_VALUE_BIT_SET.contains(i) ||
(i == JavaElementType.NAME_VALUE_PAIR && child.getFirstChildNode() != null &&
child.getFirstChildNode().getElementType() == JavaElementType.ANNOTATION_ARRAY_INITIALIZER)) {
return ChildRole.ANNOTATION_VALUE;
}
else {
return ChildRoleBase.NONE;
}
}
@Override
public ASTNode findChildByRole(int role) {
switch (role) {
default:
LOG.assertTrue(false);
return null;
case ChildRole.LPARENTH:
return findChildByType(JavaTokenType.LPARENTH);
case ChildRole.RPARENTH:
return findChildByType(JavaTokenType.RPARENTH);
}
}
@Override
public TreeElement addInternal(TreeElement first, ASTNode last, ASTNode anchor, Boolean before) {
if (first.getElementType() == JavaElementType.NAME_VALUE_PAIR && last.getElementType() == JavaElementType.NAME_VALUE_PAIR) {
ASTNode lparenth = findChildByType(JavaTokenType.LPARENTH);
if (lparenth == null) {
CharTable treeCharTab = SharedImplUtil.findCharTableByTree(this);
LeafElement created = Factory.createSingleLeafElement(JavaTokenType.LPARENTH, "(", 0, 1, treeCharTab, getManager());
super.addInternal(created, created, getFirstChildNode(), true);
}
ASTNode rparenth = findChildByType(JavaTokenType.RPARENTH);
if (rparenth == null) {
CharTable treeCharTab = SharedImplUtil.findCharTableByTree(this);
LeafElement created = Factory.createSingleLeafElement(JavaTokenType.RPARENTH, ")", 0, 1, treeCharTab, getManager());
super.addInternal(created, created, getLastChildNode(), false);
}
ASTNode[] nodes = getChildren(NAME_VALUE_PAIR_BIT_SET);
if (nodes.length == 1) {
ASTNode node = nodes[0];
if (node instanceof PsiNameValuePair) {
PsiNameValuePair pair = (PsiNameValuePair)node;
if (pair.getName() == null) {
PsiAnnotationMemberValue value = pair.getValue();
if (value != null) {
try {
PsiElementFactory factory = JavaPsiFacade.getInstance(getPsi().getProject()).getElementFactory();
PsiAnnotation annotation = factory.createAnnotationFromText("@AAA(value = " + value.getText() + ")", null);
replaceChild(node, annotation.getParameterList().getAttributes()[0].getNode());
}
catch (IncorrectOperationException e) {
LOG.error(e);
}
}
}
}
}
if (anchor == null && before != null) {
anchor = findChildByType(before ? JavaTokenType.RPARENTH : JavaTokenType.LPARENTH);
}
TreeElement firstAdded = super.addInternal(first, last, anchor, before);
JavaSourceUtil.addSeparatingComma(this, first, NAME_VALUE_PAIR_BIT_SET);
return firstAdded;
}
return super.addInternal(first, last, anchor, before);
}
@Override
public void deleteChildInternal(@NotNull ASTNode child) {
if (child.getElementType() == JavaElementType.NAME_VALUE_PAIR) {
JavaSourceUtil.deleteSeparatingComma(this, child);
}
super.deleteChildInternal(child);
}
}
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