| /* |
| * 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; |
| |
| /** |
| * AST expression node: {@code exp || exp}. |
| */ |
| final class ASTExpOr extends ASTExpBoolean { |
| |
| private final ASTExpression lho; |
| private final ASTExpression rho; |
| private final String opString; |
| |
| ASTExpOr(ASTExpression lho, ASTExpression rho, String opString) { |
| this.lho = lho; |
| this.rho = rho; |
| this.opString = opString.intern(); |
| } |
| |
| @Override |
| boolean evalToBoolean(Environment env) throws TemplateException { |
| return lho.evalToBoolean(env) || rho.evalToBoolean(env); |
| } |
| |
| @Override |
| public String getCanonicalForm() { |
| return lho.getCanonicalForm() + " " + opString + " " + rho.getCanonicalForm(); |
| } |
| |
| @Override |
| public String getLabelWithoutParameters() { |
| return "||"; |
| } |
| |
| @Override |
| boolean isLiteral() { |
| return constantValue != null || (lho.isLiteral() && rho.isLiteral()); |
| } |
| |
| @Override |
| ASTExpression deepCloneWithIdentifierReplaced_inner( |
| String replacedIdentifier, ASTExpression replacement, ReplacemenetState replacementState) { |
| return new ASTExpOr( |
| lho.deepCloneWithIdentifierReplaced(replacedIdentifier, replacement, replacementState), |
| rho.deepCloneWithIdentifierReplaced(replacedIdentifier, replacement, replacementState), |
| opString); |
| } |
| |
| @Override |
| int getParameterCount() { |
| return 2; |
| } |
| |
| @Override |
| Object getParameterValue(int idx) { |
| switch (idx) { |
| case 0: return lho; |
| case 1: return rho; |
| default: throw new IndexOutOfBoundsException(); |
| } |
| } |
| |
| @Override |
| ParameterRole getParameterRole(int idx) { |
| return ParameterRole.forBinaryOperatorOperand(idx); |
| } |
| |
| } |