1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.databinding.tool.expr; 18 19import android.databinding.tool.reflection.ModelAnalyzer; 20import android.databinding.tool.reflection.ModelClass; 21import android.databinding.tool.writer.KCode; 22 23import java.util.List; 24 25public class GroupExpr extends Expr { 26 public GroupExpr(Expr wrapped) { 27 super(wrapped); 28 } 29 30 @Override 31 protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) { 32 return getWrapped().getResolvedType(); 33 } 34 35 @Override 36 protected List<Dependency> constructDependencies() { 37 return getWrapped().constructDependencies(); 38 } 39 40 @Override 41 protected KCode generateCode(boolean expand) { 42 return new KCode().app("(", getWrapped().toCode(expand)).app(")"); 43 } 44 45 public Expr getWrapped() { 46 return getChildren().get(0); 47 } 48 49 @Override 50 public KCode toInverseCode(KCode value) { 51 // Nothing to do here. Other expressions should automatically take care of grouping. 52 return getWrapped().toInverseCode(value); 53 } 54 55 @Override 56 public String getInvertibleError() { 57 return getWrapped().getInvertibleError(); 58 } 59} 60