| /* |
| * Copyright 2000-2009 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.codeInsight.highlighting; |
| |
| import com.intellij.codeInsight.hint.DeclarationRangeUtil; |
| import com.intellij.lang.BracePair; |
| import com.intellij.lang.PairedBraceMatcher; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.*; |
| import com.intellij.psi.impl.source.tree.ElementType; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.psi.tree.java.IJavaElementType; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class JavaBraceMatcher implements PairedBraceMatcher { |
| private final BracePair[] pairs = new BracePair[] { |
| new BracePair(JavaTokenType.LPARENTH, JavaTokenType.RPARENTH, false), |
| new BracePair(JavaTokenType.LBRACE, JavaTokenType.RBRACE, true), |
| new BracePair(JavaTokenType.LBRACKET, JavaTokenType.RBRACKET, false), |
| new BracePair(JavaDocTokenType.DOC_INLINE_TAG_START, JavaDocTokenType.DOC_INLINE_TAG_END, false), |
| }; |
| |
| @Override |
| public BracePair[] getPairs() { |
| return pairs; |
| } |
| |
| @Override |
| public boolean isPairedBracesAllowedBeforeType(@NotNull final IElementType lbraceType, @Nullable final IElementType contextType) { |
| if (contextType instanceof IJavaElementType) return isPairedBracesAllowedBeforeTypeInJava(contextType); |
| return true; |
| } |
| |
| private static boolean isPairedBracesAllowedBeforeTypeInJava(final IElementType tokenType) { |
| return ElementType.JAVA_COMMENT_OR_WHITESPACE_BIT_SET.contains(tokenType) |
| || tokenType == JavaTokenType.SEMICOLON |
| || tokenType == JavaTokenType.COMMA |
| || tokenType == JavaTokenType.RPARENTH |
| || tokenType == JavaTokenType.RBRACKET |
| || tokenType == JavaTokenType.RBRACE |
| || tokenType == JavaTokenType.LBRACE; |
| } |
| |
| @Override |
| public int getCodeConstructStart(final PsiFile file, int openingBraceOffset) { |
| PsiElement element = file.findElementAt(openingBraceOffset); |
| if (element == null || element instanceof PsiFile) return openingBraceOffset; |
| PsiElement parent = element.getParent(); |
| if (parent instanceof PsiCodeBlock) { |
| parent = parent.getParent(); |
| if (parent instanceof PsiMethod || parent instanceof PsiClassInitializer) { |
| TextRange range = DeclarationRangeUtil.getDeclarationRange(parent); |
| return range.getStartOffset(); |
| } |
| else if (parent instanceof PsiStatement) { |
| if (parent instanceof PsiBlockStatement && parent.getParent() instanceof PsiStatement) { |
| parent = parent.getParent(); |
| } |
| return parent.getTextRange().getStartOffset(); |
| } |
| } |
| else if (parent instanceof PsiClass) { |
| TextRange range = DeclarationRangeUtil.getDeclarationRange(parent); |
| return range.getStartOffset(); |
| } |
| return openingBraceOffset; |
| } |
| } |