69 lines
1.7 KiB
Java
69 lines
1.7 KiB
Java
/**
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* Copyright (c) 2011-2019, James Zhan 詹波 (jfinal@126.com).
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.jfinal.template.expr.ast;
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import java.util.ArrayList;
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import java.util.List;
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import com.jfinal.template.stat.Location;
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import com.jfinal.template.stat.ParseException;
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import com.jfinal.template.stat.Scope;
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/**
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* Array
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*
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* 用法：
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* 1：[1, 2, 3]
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* 2：["a", 1, "b", 2, false, 3.14]
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*/
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public class Array extends Expr {
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private Expr[] exprList;
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public Array(Expr[] exprList, Location location) {
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if (exprList == null) {
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throw new ParseException("exprList can not be null", location);
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}
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this.exprList = exprList;
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}
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public Object eval(Scope scope) {
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List<Object> array = new ArrayListExt(exprList.length);
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for (Expr expr : exprList) {
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array.add(expr.eval(scope));
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}
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return array;
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}
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/**
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* 支持 array.length 表达式
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*/
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@SuppressWarnings("serial")
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public static class ArrayListExt extends ArrayList<Object> {
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public ArrayListExt(int initialCapacity) {
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super(initialCapacity);
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}
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public Integer getLength() {
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return size();
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}
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}
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}
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