/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) Under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for Additional information regarding copyright ownership.
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The ASF licenses this file to You Under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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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namespace HH.WMS.Utils.NPOI.SS.Formula.PTG
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{
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using System;
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using System.Text;
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using HH.WMS.Utils.NPOI.HSSF.Record;
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using System.Collections;
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using HH.WMS.Utils.NPOI.Util;
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/**
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* While formula tokens are stored in RPN order and thus do not need parenthesis for
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* precedence reasons, Parenthesis tokens ARE written to Ensure that user entered
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* parenthesis are Displayed as-is on Reading back
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*
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* Avik Sengupta <lists@aviksengupta.com>
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* Andrew C. Oliver (acoliver at apache dot org)
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* @author Jason Height (jheight at chariot dot net dot au)
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*/
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public class ParenthesisPtg : ControlPtg
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{
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private static int SIZE = 1;
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public const byte sid = 0x15;
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public static ControlPtg instance = new ParenthesisPtg();
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private ParenthesisPtg()
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{
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// enforce singleton
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}
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public override void Write(ILittleEndianOutput out1)
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{
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out1.WriteByte(sid + PtgClass);
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}
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public override int Size
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{
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get { return SIZE; }
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}
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public override String ToFormulaString()
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{
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return "()";
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}
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public String ToFormulaString(String[] operands)
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{
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return "(" + operands[0] + ")";
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}
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}
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}
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