| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.freemarker.core; |
| |
| import org.apache.freemarker.core.model.TemplateBooleanModel; |
| import org.apache.freemarker.core.model.TemplateModel; |
| |
| /** |
| * AST expression node: boolean literal |
| */ |
| final class ASTExpBooleanLiteral extends ASTExpression { |
| |
| private final boolean val; |
| |
| public ASTExpBooleanLiteral(boolean val) { |
| this.val = val; |
| } |
| |
| static TemplateBooleanModel getTemplateModel(boolean b) { |
| return b? TemplateBooleanModel.TRUE : TemplateBooleanModel.FALSE; |
| } |
| |
| @Override |
| boolean evalToBoolean(Environment env) { |
| return val; |
| } |
| |
| @Override |
| public String getCanonicalForm() { |
| return val ? TemplateBooleanFormat.C_TRUE : TemplateBooleanFormat.C_FALSE; |
| } |
| |
| @Override |
| public String getLabelWithoutParameters() { |
| return getCanonicalForm(); |
| } |
| |
| @Override |
| TemplateModel _eval(Environment env) { |
| return val ? TemplateBooleanModel.TRUE : TemplateBooleanModel.FALSE; |
| } |
| |
| @Override |
| boolean isLiteral() { |
| return true; |
| } |
| |
| @Override |
| ASTExpression deepCloneWithIdentifierReplaced_inner( |
| String replacedIdentifier, ASTExpression replacement, ReplacemenetState replacementState) { |
| return new ASTExpBooleanLiteral(val); |
| } |
| |
| @Override |
| int getParameterCount() { |
| return 0; |
| } |
| |
| @Override |
| Object getParameterValue(int idx) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| @Override |
| ParameterRole getParameterRole(int idx) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| } |