2003-07-25 16:11:27 -04:00
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/* ====================================================================
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2006-12-22 14:18:16 -05:00
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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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2004-04-09 09:05:39 -04:00
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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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2004-08-23 04:52:54 -04:00
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2003-07-25 16:11:27 -04:00
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package org.apache.poi.hssf.record.formula;
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import java.util.List;
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2008-04-15 12:00:50 -04:00
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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2005-08-18 03:06:44 -04:00
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import org.apache.poi.hssf.record.RecordInputStream;
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2003-07-25 16:11:27 -04:00
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/**
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* Unary Plus operator
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* does not have any effect on the operand
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* @author Avik Sengupta
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*/
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public class UnaryPlusPtg extends OperationPtg
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{
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public final static int SIZE = 1;
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public final static byte sid = 0x12;
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private final static String ADD = "+";
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/** Creates new AddPtg */
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public UnaryPlusPtg()
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{
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}
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2005-08-18 03:06:44 -04:00
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public UnaryPlusPtg(RecordInputStream in)
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{
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// doesn't need anything
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}
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public void writeBytes(byte [] array, int offset)
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{
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array[ offset + 0 ] = sid;
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}
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public int getSize()
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{
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return SIZE;
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}
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public int getType()
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{
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return this.TYPE_UNARY;
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}
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public int getNumberOfOperands()
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{
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return 1;
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}
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/** Implementation of method from Ptg */
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public String toFormulaString(HSSFWorkbook book)
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{
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return "+";
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}
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/** implementation of method from OperationsPtg*/
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public String toFormulaString(String[] operands) {
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StringBuffer buffer = new StringBuffer();
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buffer.append(ADD);
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buffer.append(operands[ 0]);
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return buffer.toString();
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}
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public byte getDefaultOperandClass() {return Ptg.CLASS_VALUE;}
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public Object clone() {
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return new UnaryPlusPtg();
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}
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}
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