/* ====================================================================
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.poi.hssf.record.formula;
import org.apache.poi.hssf.model.Workbook;
import org.apache.poi.hssf.record.RecordInputStream;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.BitField;
import org.apache.poi.util.BitFieldFactory;
/**
* "Special Attributes"
* This seems to be a Misc Stuff and Junk record. One function it serves is
* in SUM functions (i.e. SUM(A1:A3) causes an area PTG then an ATTR with the SUM option set)
* @author andy
* @author Jason Height (jheight at chariot dot net dot au)
*/
public class AttrPtg
extends OperationPtg
{
public final static byte sid = 0x19;
private final static int SIZE = 4;
private byte field_1_options;
private short field_2_data;
private BitField semiVolatile = BitFieldFactory.getInstance(0x01);
private BitField optiIf = BitFieldFactory.getInstance(0x02);
private BitField optiChoose = BitFieldFactory.getInstance(0x04);
private BitField optGoto = BitFieldFactory.getInstance(0x08);
private BitField sum = BitFieldFactory.getInstance(0x10);
private BitField baxcel = BitFieldFactory.getInstance(0x20);
private BitField space = BitFieldFactory.getInstance(0x40);
public AttrPtg() {
}
public AttrPtg(RecordInputStream in)
{
field_1_options = in.readByte();
field_2_data = in.readShort();
}
public void setOptions(byte options)
{
field_1_options = options;
}
public byte getOptions()
{
return field_1_options;
}
public boolean isSemiVolatile()
{
return semiVolatile.isSet(getOptions());
}
public boolean isOptimizedIf()
{
return optiIf.isSet(getOptions());
}
public boolean isOptimizedChoose()
{
return optiChoose.isSet(getOptions());
}
// lets hope no one uses this anymore
public boolean isGoto()
{
return optGoto.isSet(getOptions());
}
public boolean isSum()
{
return sum.isSet(getOptions());
}
public void setSum(boolean bsum) {
field_1_options=sum.setByteBoolean(field_1_options,bsum);
}
public void setOptimizedIf(boolean bif) {
field_1_options=optiIf.setByteBoolean(field_1_options,bif);
}
/**
* Flags this ptg as a goto/jump
* @param isGoto
*/
public void setGoto(boolean isGoto) {
field_1_options=optGoto.setByteBoolean(field_1_options, isGoto);
}
// lets hope no one uses this anymore
public boolean isBaxcel()
{
return baxcel.isSet(getOptions());
}
// biff3&4 only shouldn't happen anymore
public boolean isSpace()
{
return space.isSet(getOptions());
}
public void setData(short data)
{
field_2_data = data;
}
public short getData()
{
return field_2_data;
}
public String toString()
{
StringBuffer buffer = new StringBuffer();
buffer.append("AttrPtg\n");
buffer.append("options=").append(field_1_options).append("\n");
buffer.append("data =").append(field_2_data).append("\n");
buffer.append("semi =").append(isSemiVolatile()).append("\n");
buffer.append("optimif=").append(isOptimizedIf()).append("\n");
buffer.append("optchos=").append(isOptimizedChoose()).append("\n");
buffer.append("isGoto =").append(isGoto()).append("\n");
buffer.append("isSum =").append(isSum()).append("\n");
buffer.append("isBaxce=").append(isBaxcel()).append("\n");
buffer.append("isSpace=").append(isSpace()).append("\n");
return buffer.toString();
}
public void writeBytes(byte [] array, int offset)
{
array[offset]=sid;
array[offset+1]=field_1_options;
LittleEndian.putShort(array,offset+2,field_2_data);
}
public int getSize()
{
return SIZE;
}
public String toFormulaString(String[] operands) {
if(space.isSet(field_1_options)) {
return operands[ 0 ];
} else if (optiIf.isSet(field_1_options)) {
return toFormulaString((Workbook)null) + "(" + operands[ 0 ] +")";
} else if (optGoto.isSet(field_1_options)) {
return toFormulaString((Workbook)null) + operands[0]; //goto isn't a real formula element should not show up
} else {
return toFormulaString((Workbook)null) + "(" + operands[ 0 ] + ")";
}
}
public int getNumberOfOperands()
{
return 1;
}
public int getType()
{
return -1;
}
public String toFormulaString(Workbook book) {
if(semiVolatile.isSet(field_1_options)) {
return "ATTR(semiVolatile)";
}
if(optiIf.isSet(field_1_options)) {
return "IF";
}
if( optiChoose.isSet(field_1_options)) {
return "CHOOSE";
}
if(optGoto.isSet(field_1_options)) {
return "";
}
if(sum.isSet(field_1_options)) {
return "SUM";
}
if(baxcel.isSet(field_1_options)) {
return "ATTR(baxcel)";
}
if(space.isSet(field_1_options)) {
return "";
}
return "UNKNOWN ATTRIBUTE";
}
public byte getDefaultOperandClass() {return Ptg.CLASS_VALUE;}
public Object clone() {
AttrPtg ptg = new AttrPtg();
ptg.field_1_options = field_1_options;
ptg.field_2_data = field_2_data;
return ptg;
}
}
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