| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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.android.tools.idea.lang.databinding; |
| |
| import com.android.tools.idea.lang.databinding.psi.*; |
| import com.intellij.codeInsight.highlighting.PairedBraceMatcherAdapter; |
| import com.intellij.lang.BracePair; |
| import com.intellij.lang.PairedBraceMatcher; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.tree.IElementType; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class DbPairedBraceMatcher extends PairedBraceMatcherAdapter { |
| |
| private static final BracePair[] BRACE_PAIRS = new BracePair[]{ |
| new BracePair(DbTokenTypes.LPARENTH, DbTokenTypes.RPARENTH, false), |
| new BracePair(DbTokenTypes.LBRACKET, DbTokenTypes.RBRACKET, false)}; |
| |
| public DbPairedBraceMatcher() { |
| super(new PairedBraceMatcher() { |
| @Override |
| public BracePair[] getPairs() { |
| return BRACE_PAIRS; |
| } |
| |
| @Override |
| public boolean isPairedBracesAllowedBeforeType(@NotNull IElementType lbraceType, @Nullable IElementType contextType) { |
| // TODO: improve this. |
| return true; |
| } |
| |
| @Override |
| public int getCodeConstructStart(PsiFile file, int openingBraceOffset) { |
| PsiElement element = file.findElementAt(openingBraceOffset); |
| if (element == null || element instanceof PsiFile) { |
| return openingBraceOffset; |
| } |
| PsiElement parent = element.getParent(); |
| if (parent instanceof PsiDbCastExpr || parent instanceof PsiDbParenExpr) { |
| return openingBraceOffset; |
| } |
| if (parent instanceof PsiDbMethodExpr) { |
| return parent.getTextRange().getStartOffset(); |
| } |
| if (parent instanceof PsiDbResourceParameters) { |
| parent = parent.getParent(); |
| if (parent instanceof PsiDbResourcesExpr) { |
| return parent.getTextRange().getStartOffset(); |
| } |
| } |
| return openingBraceOffset; |
| } |
| }, DbLanguage.INSTANCE); |
| } |
| } |