moparisthebest/poi
1
0
Fork 0
Code Issues Pull Requests Releases 1 Wiki Activity

Added read support for unary plus and minus. Parser to be updated

Browse Source 
for write support.


git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/branches/REL_2_BRANCH@353117 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Avik Sengupta 2003-06-03 12:42:09 +00:00
parent 0e21588438
commit b2bd33c3bf
3 changed files with 260 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/java/org/apache/poi/hssf/record/formula/Ptg.java
View File

@ -307,6 +307,12 @@ public abstract class Ptg
case MissingArgPtg.sid: case MissingArgPtg.sid:
retval = new MissingArgPtg(data,offset); retval = new MissingArgPtg(data,offset);
break; break;
case UnaryPlusPtg.sid:
retval=new UnaryPlusPtg(data,offset);
break;
case UnaryMinusPtg.sid:
retval=new UnaryMinusPtg(data,offset);
break;
default : default :

127
src/java/org/apache/poi/hssf/record/formula/UnaryMinusPtg.java Normal file
View File

@ -0,0 +1,127 @@
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 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 java.util.List;
import org.apache.poi.hssf.util.SheetReferences;
/**
* Unary Plus operator
* does not have any effect on the operand
* @author Avik Sengupta
*/
public class UnaryMinusPtg extends OperationPtg
{
public final static int SIZE = 1;
public final static byte sid = 0x13;
private final static String MINUS = "-";
/** Creates new AddPtg */
public UnaryMinusPtg()
{
}
public UnaryMinusPtg(byte[] data, int offset)
{
// doesn't need anything
}
public void writeBytes(byte [] array, int offset)
{
array[ offset + 0 ] = sid;
}
public int getSize()
{
return SIZE;
}
public int getType()
{
return this.TYPE_UNARY;
}
public int getNumberOfOperands()
{
return 1;
}
/** Implementation of method from Ptg */
public String toFormulaString(SheetReferences refs)
{
return "+";
}
/** implementation of method from OperationsPtg*/
public String toFormulaString(String[] operands) {
StringBuffer buffer = new StringBuffer();
buffer.append(MINUS);
buffer.append(operands[ 0]);
return buffer.toString();
}
public byte getDefaultOperandClass() {return Ptg.CLASS_VALUE;}
public Object clone() {
return new UnaryPlusPtg();
}
}

127
src/java/org/apache/poi/hssf/record/formula/UnaryPlusPtg.java Normal file
View File

@ -0,0 +1,127 @@
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 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 java.util.List;
import org.apache.poi.hssf.util.SheetReferences;
/**
* Unary Plus operator
* does not have any effect on the operand
* @author Avik Sengupta
*/
public class UnaryPlusPtg extends OperationPtg
{
public final static int SIZE = 1;
public final static byte sid = 0x12;
private final static String ADD = "+";
/** Creates new AddPtg */
public UnaryPlusPtg()
{
}
public UnaryPlusPtg(byte[] data, int offset)
{
// doesn't need anything
}
public void writeBytes(byte [] array, int offset)
{
array[ offset + 0 ] = sid;
}
public int getSize()
{
return SIZE;
}
public int getType()
{
return this.TYPE_UNARY;
}
public int getNumberOfOperands()
{
return 1;
}
/** Implementation of method from Ptg */
public String toFormulaString(SheetReferences refs)
{
return "+";
}
/** implementation of method from OperationsPtg*/
public String toFormulaString(String[] operands) {
StringBuffer buffer = new StringBuffer();
buffer.append(ADD);
buffer.append(operands[ 0]);
return buffer.toString();
}
public byte getDefaultOperandClass() {return Ptg.CLASS_VALUE;}
public Object clone() {
return new UnaryPlusPtg();
}
}