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avik's patches and stuff.

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352560 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew C. Oliver 2002-04-30 00:18:29 +00:00
parent bc2ddf5c70
commit e01cb449a6
2 changed files with 133 additions and 19 deletions
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118
src/java/org/apache/poi/hssf/record/formula/NumberPtg.java Normal file
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@ -0,0 +1,118 @@
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache POI" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache POI", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.poi.hssf.record.formula;
import org.apache.poi.util.LittleEndian;
/**
* Integer (short intger)
* Stores a (java) short value in a formula
* @author Avik Sengupta
*/
public class NumberPtg
extends Ptg
{
public final static int SIZE = 9;
public final static byte sid = 0x1f;
private double field_1_value;
/** Creates new NumberPtg */
public NumberPtg()
{
}
public NumberPtg(byte [] data, int offset)
{
setValue(LittleEndian.getDouble(data, offset + 1));
}
protected NumberPtg(String value) {
setValue(Double.parseDouble(value));
}
public void setValue(double value)
{
field_1_value = value;
}
public double getValue()
{
return field_1_value;
}
public void writeBytes(byte [] array, int offset)
{
array[ offset + 0 ] = sid;
LittleEndian.putDouble(array, offset + 1, getValue());
}
public int getSize()
{
return SIZE;
}
public String toFormulaString()
{
return "" + getValue();
}
//TODO: do we really need this method??
public int getStringLength() {
return 1;
}
}

34
src/java/org/apache/poi/hssf/record/formula/Ptg.java
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@ -71,16 +71,16 @@ import java.util.ArrayList;
public abstract class Ptg
{
/** Creates new Ptg */
public Ptg()
{
}
/** convert infix order ptg list to rpn order ptg list
* @return List ptgs in RPN order
* @param infixPtgs List of ptgs in infix order
*/
/* DO NOI REMOVE
*we keep this method in case we wish to change the way we parse
*It needs a getPrecedence in OperationsPtg
public static List ptgsToRpn(List infixPtgs) {
java.util.Stack operands = new java.util.Stack();
java.util.List retval = new java.util.Stack();
@ -123,7 +123,7 @@ public abstract class Ptg
}
return retval;
}
*/
@ -243,6 +243,13 @@ public abstract class Ptg
retval = new FunctionPtg(data, offset);
break;
*/
case NumberPtg.sid :
retval = new NumberPtg(data, offset);
break;
case NamePtg.sid :
retval = new NamePtg(data, offset);
@ -284,18 +291,7 @@ public abstract class Ptg
public abstract void writeBytes(byte [] array, int offset);
public abstract String toFormulaString();
/**
* Ptg's should override this
*/
// public boolean isNextStringToken(String formula, int pos) {
// return false;
// }
public int getPrecedence() {
return 100;
}
public int getStringLength() {
return 0;
}