| |
| /* ==================================================================== |
| 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. |
| ==================================================================== */ |
| |
| |
| /* |
| * IntPtg.java |
| * |
| * Created on October 29, 2001, 7:37 PM |
| */ |
| package org.apache.poi.hssf.record.formula; |
| |
| import org.apache.poi.util.LittleEndian; |
| import org.apache.poi.hssf.model.Workbook; |
| import org.apache.poi.hssf.record.RecordInputStream; |
| |
| /** |
| * Integer (unsigned short intger) |
| * Stores an unsigned short value (java int) in a formula |
| * @author Andrew C. Oliver (acoliver at apache dot org) |
| * @author Jason Height (jheight at chariot dot net dot au) |
| */ |
| |
| public class IntPtg |
| extends Ptg |
| { |
| public final static int SIZE = 3; |
| public final static byte sid = 0x1e; |
| private short field_1_value; |
| |
| private IntPtg() { |
| //Required for clone methods |
| } |
| |
| public IntPtg(RecordInputStream in) |
| { |
| setValue(in.readShort()); |
| } |
| |
| |
| // IntPtg should be able to create itself, shouldnt have to call setValue |
| public IntPtg(String formulaToken) { |
| setValue(Short.parseShort(formulaToken)); |
| } |
| |
| /** |
| * Sets the wrapped value. |
| * Normally you should call with a positive int. |
| */ |
| public void setValue(short value) |
| { |
| field_1_value = value; |
| } |
| |
| /** |
| * Sets the unsigned value. |
| * (Handles conversion to the internal short value) |
| */ |
| public void setValue(int value) |
| { |
| if(value > Short.MAX_VALUE) { |
| // Need to wrap |
| value -= (Short.MAX_VALUE+1)*2; |
| } |
| field_1_value = (short)value; |
| } |
| |
| /** |
| * Returns the value as a short, which may have |
| * been wrapped into negative numbers |
| */ |
| public short getValue() |
| { |
| return field_1_value; |
| } |
| |
| /** |
| * Returns the value as an unsigned positive int. |
| */ |
| public int getValueAsInt() |
| { |
| if(field_1_value < 0) { |
| return (Short.MAX_VALUE + 1)*2 + field_1_value; |
| } |
| return field_1_value; |
| } |
| |
| public void writeBytes(byte [] array, int offset) |
| { |
| array[ offset + 0 ] = sid; |
| LittleEndian.putShort(array, offset + 1, getValue()); |
| } |
| |
| public int getSize() |
| { |
| return SIZE; |
| } |
| |
| public String toFormulaString(Workbook book) |
| { |
| return "" + getValue(); |
| } |
| public byte getDefaultOperandClass() {return Ptg.CLASS_VALUE;} |
| |
| public Object clone() { |
| IntPtg ptg = new IntPtg(); |
| ptg.field_1_value = field_1_value; |
| return ptg; |
| } |
| } |