| /* |
| * 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 org.jetbrains.plugins.groovy.lang.psi.impl.synthetic; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.util.Key; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.*; |
| import com.intellij.psi.impl.light.LightElement; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.reference.SoftReference; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrCodeBlock; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrOpenBlock; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.PsiImplUtil; |
| |
| /** |
| * @author Medvedev Max |
| */ |
| public class GrSyntheticCodeBlock extends LightElement implements PsiCodeBlock { |
| private static final Logger LOG = Logger.getInstance(GrSyntheticCodeBlock.class); |
| private final GrCodeBlock myCodeBlock; |
| private static final Key<SoftReference<PsiJavaToken>> PSI_JAVA_TOKEN = Key.create("psi_java_token"); |
| |
| public GrSyntheticCodeBlock(@NotNull GrCodeBlock codeBlock) { |
| super(codeBlock.getManager(), codeBlock.getLanguage()); |
| myCodeBlock = codeBlock; |
| } |
| |
| @Override |
| public String toString() { |
| return "code block wrapper to represent java codeBlock"; |
| } |
| |
| @NotNull |
| @Override |
| public PsiStatement[] getStatements() { |
| return PsiStatement.EMPTY_ARRAY; //todo return statements |
| } |
| |
| @Override |
| public PsiElement getFirstBodyElement() { |
| final PsiElement nextSibling = myCodeBlock.getLBrace().getNextSibling(); |
| return nextSibling == getRBrace() ? null : nextSibling; |
| } |
| |
| @Override |
| public PsiElement getLastBodyElement() { |
| final PsiElement rBrace = myCodeBlock.getRBrace(); |
| if (rBrace != null) { |
| final PsiElement prevSibling = rBrace.getPrevSibling(); |
| return prevSibling == myCodeBlock.getLBrace() ? null : prevSibling; |
| } |
| return getLastChild(); |
| } |
| |
| @Override |
| public PsiJavaToken getLBrace() { |
| return getOrCreateJavaToken(myCodeBlock.getLBrace(), JavaTokenType.LBRACE); |
| } |
| |
| @Override |
| public PsiJavaToken getRBrace() { |
| return getOrCreateJavaToken(myCodeBlock.getRBrace(), JavaTokenType.RBRACE); |
| } |
| |
| @Nullable |
| private static PsiJavaToken getOrCreateJavaToken(@Nullable PsiElement element, @NotNull IElementType type) { |
| if (element == null) return null; |
| |
| final SoftReference<PsiJavaToken> ref = element.getUserData(PSI_JAVA_TOKEN); |
| final PsiJavaToken token = SoftReference.dereference(ref); |
| if (token != null) return token; |
| final LightJavaToken newToken = new LightJavaToken(element, type); |
| element.putUserData(PSI_JAVA_TOKEN, new SoftReference<PsiJavaToken>(newToken)); |
| return newToken; |
| } |
| |
| @Override |
| public PsiElement replace(@NotNull PsiElement newElement) throws IncorrectOperationException { |
| if (newElement instanceof GrSyntheticCodeBlock) { |
| GrSyntheticCodeBlock other = (GrSyntheticCodeBlock)newElement; |
| PsiElement replaced = myCodeBlock.replace(other.myCodeBlock); |
| LOG.assertTrue(replaced instanceof GrOpenBlock); |
| return PsiImplUtil.getOrCreatePsiCodeBlock((GrOpenBlock)replaced); |
| } |
| return super.replace(newElement); |
| } |
| |
| @Override |
| public boolean shouldChangeModificationCount(PsiElement place) { |
| return false; |
| } |
| |
| @Override |
| public TextRange getTextRange() { |
| return myCodeBlock.getTextRange(); |
| } |
| |
| @Override |
| public int getStartOffsetInParent() { |
| return myCodeBlock.getStartOffsetInParent(); |
| } |
| |
| @Override |
| public PsiFile getContainingFile() { |
| return myCodeBlock.getContainingFile(); |
| } |
| |
| @Override |
| public int getTextOffset() { |
| return myCodeBlock.getTextOffset(); |
| } |
| |
| @Override |
| public String getText() { |
| return myCodeBlock.getText(); |
| } |
| |
| @NotNull |
| @Override |
| public PsiElement getNavigationElement() { |
| return myCodeBlock; |
| } |
| |
| @Override |
| public boolean isValid() { |
| return myCodeBlock.isValid(); |
| } |
| |
| @Override |
| public void delete() throws IncorrectOperationException { |
| myCodeBlock.delete(); |
| } |
| } |