| /* |
| * 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 android.databinding.tool.expr; |
| |
| import android.databinding.tool.reflection.ModelAnalyzer; |
| import android.databinding.tool.reflection.ModelClass; |
| import android.databinding.tool.writer.KCode; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class BuiltInVariableExpr extends IdentifierExpr { |
| private final String mAccessCode; |
| |
| BuiltInVariableExpr(String name, String type, String accessCode) { |
| super(name); |
| super.setUserDefinedType(type); |
| this.mAccessCode = accessCode; |
| } |
| |
| @Override |
| public boolean isDynamic() { |
| return false; |
| } |
| |
| @Override |
| protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) { |
| ModelClass modelClass = super.resolveType(modelAnalyzer); |
| return modelClass; |
| } |
| |
| @Override |
| protected List<Dependency> constructDependencies() { |
| return new ArrayList<Dependency>(); |
| } |
| |
| @Override |
| protected KCode generateCode() { |
| if (mAccessCode == null) { |
| return new KCode().app(mName); |
| } else { |
| return new KCode().app(mAccessCode); |
| } |
| } |
| |
| public boolean isDeclared() { |
| return false; |
| } |
| |
| @Override |
| public String getInvertibleError() { |
| return "Built-in variables may not be the target of two-way binding"; |
| } |
| |
| @Override |
| public Expr cloneToModel(ExprModel model) { |
| return model.builtInVariable(mName, mUserDefinedType, mAccessCode); |
| } |
| } |