mirror of https://github.com/apache/poi.git
Absolute vs relative references now work .. refactored ReferenceUtils in the bargain
git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352598 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Avik Sengupta
parent
579eb0a3f4
commit
bdad033bb3
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@ -138,7 +138,7 @@ public class FormulaParser {
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/** Recognize an Alpha Character */
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/** Recognize an Alpha Character */
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private boolean IsAlpha(char c) {
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private boolean IsAlpha(char c) {
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return Character.isLetter(c);
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return Character.isLetter(c) || c == '$';
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}
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}
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@ -63,7 +63,7 @@ package org.apache.poi.hssf.record.formula;
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import org.apache.poi.util.LittleEndian;
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import org.apache.poi.util.LittleEndian;
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import org.apache.poi.util.BitField;
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import org.apache.poi.util.BitField;
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import org.apache.poi.hssf.util.ReferenceUtil;
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import org.apache.poi.hssf.util.CellReference;
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/**
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/**
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* ValueReferencePtg - handles references (such as A1, A2, IA4) - Should also
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* ValueReferencePtg - handles references (such as A1, A2, IA4) - Should also
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@ -89,11 +89,11 @@ public class ReferencePtg extends Ptg
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* numeric fields.
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* numeric fields.
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*/
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*/
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protected ReferencePtg(String cellref) {
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protected ReferencePtg(String cellref) {
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int[] xy = ReferenceUtil.getXYFromReference(cellref);
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CellReference c= new CellReference(cellref);
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setRow((short)xy[0]);
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setRow((short) c.getRow());
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setColumn((short)xy[1]);
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setColumn((short) c.getCol());
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setColRelative(true);
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setColRelative(!c.isColAbsolute());
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setRowRelative(true);
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setRowRelative(!c.isRowAbsolute());
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}
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}
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/** Creates new ValueReferencePtg */
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/** Creates new ValueReferencePtg */
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@ -179,6 +179,7 @@ public class ReferencePtg extends Ptg
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public String toFormulaString()
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public String toFormulaString()
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{
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{
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return ReferenceUtil.getReferenceFromXY(getRow(),getColumn());
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//TODO -- should we store a cellreference instance in this ptg?? but .. memory is an issue, i believe!
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return (new CellReference(getRow(),getColumn(),!isRowRelative(),!isColRelative())).toString();
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}
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}
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}
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}
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@ -0,0 +1,104 @@
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2002 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache POI" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache POI", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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package org.apache.poi.hssf.util;
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public class AreaReference {
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private CellReference [] cells;
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private int dim;
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/** Create an area ref from a string representation
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*/
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public AreaReference(String reference) {
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String[] refs = seperateAreaRefs(reference);
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dim = refs.length;
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cells = new CellReference[dim];
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for (int i=0;i<dim;i++) {
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cells[i]=new CellReference(refs[i]);
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}
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}
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//not sure if we need to be flexible here!
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/** return the dimensions of this area
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**/
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public int getDim() {
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return dim;
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}
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public String toString() {
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StringBuffer retval = new StringBuffer();
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for (int i=0;i<dim;i++){
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retval.append(':');
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retval.append(cells[i].toString());
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}
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retval.deleteCharAt(0);
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return retval.toString();
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}
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/**
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* seperates Area refs in two parts and returns them as seperate elements in a
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* String array
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*/
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private String[] seperateAreaRefs(String reference) {
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String retval[] = new String[2];
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int length = reference.length();
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int loc = reference.indexOf(':',0);
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retval[0] = reference.substring(0,loc);
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retval[1] = reference.substring(loc+1);
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return retval;
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}
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}
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@ -0,0 +1,176 @@
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2002 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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|
* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache POI" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache POI", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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package org.apache.poi.hssf.util;
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/**
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*
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* @author Avik Sengupta
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*/
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public class CellReference {
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/** Creates new CellReference */
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private int row;
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private int col;
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private boolean rowAbs;
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private boolean colAbs;
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public CellReference(String cellRef) {
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String[] parts = seperateRowColumns(cellRef);
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String ref = parts[0];
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if (ref.charAt(0) == '$') {
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colAbs=true;
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ref=ref.substring(1);
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}
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col = convertColStringToNum(ref);
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ref=parts[1];
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if (ref.charAt(0) == '$') {
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rowAbs=true;
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ref=ref.substring(1);
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}
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row = Integer.parseInt(ref)-1;
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}
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public CellReference(int pRow, int pCol) {
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this(pRow,pCol,false,false);
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}
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public CellReference(int pRow, int pCol, boolean pAbsRow, boolean pAbsCol) {
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row=pRow;col=pCol;
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rowAbs = pAbsRow;
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colAbs=pAbsCol;
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}
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public int getRow(){return row;}
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public int getCol(){return col;}
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public boolean isRowAbsolute(){return rowAbs;}
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public boolean isColAbsolute(){return colAbs;}
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/**
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* takes in a column reference portion of a CellRef and converts it from
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* ALPHA-26 number format to 0-based base 10.
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*/
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private int convertColStringToNum(String ref) {
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int len = ref.length();
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int retval=0;
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int pos = 0;
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for (int k = ref.length()-1; k > -1; k--) {
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char thechar = ref.charAt(k);
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if ( pos == 0) {
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retval += (Character.getNumericValue(thechar)-9);
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} else {
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retval += (Character.getNumericValue(thechar)-9) * (pos * 26);
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}
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pos++;
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}
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return retval-1;
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}
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/**
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* Seperates the row from the columns and returns an array. Element in
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* position one is the substring containing the columns still in ALPHA-26
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* number format.
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*/
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private String[] seperateRowColumns(String reference) {
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int loc = 0; // location of first number
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String retval[] = new String[2];
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int length = reference.length();
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char[] chars = reference.toCharArray();
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if (chars[loc]=='$') loc++;
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for (; loc < chars.length; loc++) {
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if (Character.isDigit(chars[loc]) || chars[loc] == '$') {
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break;
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}
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}
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retval[0] = reference.substring(0,loc);
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retval[1] = reference.substring(loc);
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return retval;
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}
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/**
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* takes in a 0-based base-10 column and returns a ALPHA-26 representation
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*/
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private static String convertNumToColString(int col) {
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String retval = null;
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int mod = col % 26;
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int div = col / 26;
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char small=(char)(mod + 65);
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char big = (char)(div + 64);
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if (div == 0) {
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retval = ""+small;
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} else {
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retval = ""+big+""+small;
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}
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return retval;
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}
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public String toString() {
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StringBuffer retval = new StringBuffer();
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retval.append( (colAbs)?"$":"");
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retval.append( convertNumToColString(col));
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retval.append((rowAbs)?"$":"");
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retval.append(row+1);
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return retval.toString();
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}
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}
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@ -698,7 +698,48 @@ extends TestCase {
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public void testAbsRefs() throws Exception {
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File file = File.createTempFile("testFormulaAbsRef",".xls");
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FileOutputStream out = new FileOutputStream(file);
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HSSFWorkbook wb = new HSSFWorkbook();
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HSSFSheet s = wb.createSheet();
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HSSFRow r = null;
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HSSFCell c = null;
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r = s.createRow((short) 0);
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c = r.createCell((short) 0);
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c.setCellFormula("A3+A2");
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c=r.createCell( (short) 1);
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c.setCellFormula("$A3+$A2");
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c=r.createCell( (short) 2);
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c.setCellFormula("A$3+A$2");
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c=r.createCell( (short) 3);
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c.setCellFormula("$A$3+$A$2");
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c=r.createCell( (short) 4);
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c.setCellFormula("SUM($A$3,$A$2)");
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wb.write(out);
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out.close();
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assertTrue("file exists",file.exists());
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FileInputStream in = new FileInputStream(file);
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wb = new HSSFWorkbook(in);
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s = wb.getSheetAt(0);
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r = s.getRow(0);
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c = r.getCell((short)0);
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assertTrue("A3+A2", ("A3+A2").equals(c.getCellFormula()));
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c = r.getCell((short)1);
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assertTrue("$A3+$A2", ("$A3+$A2").equals(c.getCellFormula()));
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c = r.getCell((short)2);
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assertTrue("A$3+A$2", ("A$3+A$2").equals(c.getCellFormula()));
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c = r.getCell((short)3);
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assertTrue("$A$3+$A$2", ("$A$3+$A$2").equals(c.getCellFormula()));
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c = r.getCell((short)4);
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assertTrue("SUM($A$3,$A$2)", ("SUM($A$3,$A$2)").equals(c.getCellFormula()));
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in.close();
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}
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public static void main(String [] args) {
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public static void main(String [] args) {
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System.out
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System.out
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.println("Testing org.apache.poi.hssf.usermodel.TestFormulas");
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.println("Testing org.apache.poi.hssf.usermodel.TestFormulas");
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@ -0,0 +1,107 @@
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/* ====================================================================
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||||||
|
* 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.util;
|
||||||
|
|
||||||
|
|
||||||
|
import junit.framework.TestCase;
|
||||||
|
|
||||||
|
|
||||||
|
public class TestCellReference extends TestCase {
|
||||||
|
public TestCellReference(String s) {
|
||||||
|
super(s);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void testAbsRef1(){
|
||||||
|
CellReference cf = new CellReference("$B$5");
|
||||||
|
assertTrue("row is 4",cf.getRow()==4);
|
||||||
|
assertTrue("col is 1",cf.getCol()==1);
|
||||||
|
assertTrue("row is abs",cf.isRowAbsolute());
|
||||||
|
assertTrue("col is abs",cf.isColAbsolute());
|
||||||
|
assertTrue("string is $B$5",cf.toString().equals("$B$5"));
|
||||||
|
}
|
||||||
|
|
||||||
|
public void testAbsRef2(){
|
||||||
|
CellReference cf = new CellReference(4,1,true,true);
|
||||||
|
assertTrue("row is 4",cf.getRow()==4);
|
||||||
|
assertTrue("col is 1",cf.getCol()==1);
|
||||||
|
assertTrue("row is abs",cf.isRowAbsolute());
|
||||||
|
assertTrue("col is abs",cf.isColAbsolute());
|
||||||
|
assertTrue("string is $B$5",cf.toString().equals("$B$5"));
|
||||||
|
}
|
||||||
|
|
||||||
|
public void testAbsRef3(){
|
||||||
|
CellReference cf = new CellReference("B$5");
|
||||||
|
assertTrue("row is 4",cf.getRow()==4);
|
||||||
|
assertTrue("col is 1",cf.getCol()==1);
|
||||||
|
assertTrue("row is abs",cf.isRowAbsolute());
|
||||||
|
assertTrue("col is rel",!cf.isColAbsolute());
|
||||||
|
assertTrue("string is B$5",cf.toString().equals("B$5"));
|
||||||
|
}
|
||||||
|
|
||||||
|
public void testAbsRef4(){
|
||||||
|
CellReference cf = new CellReference(4,1,true,false);
|
||||||
|
assertTrue("row is 4",cf.getRow()==4);
|
||||||
|
assertTrue("col is 1",cf.getCol()==1);
|
||||||
|
assertTrue("row is abs",cf.isRowAbsolute());
|
||||||
|
assertTrue("col is rel",!cf.isColAbsolute());
|
||||||
|
assertTrue("string is B$5",cf.toString().equals("B$5"));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
public static void main(String [] args) {
|
||||||
|
System.out.println("Testing org.apache.poi.hssf.util.TestCellReference");
|
||||||
|
junit.textui.TestRunner.run(TestCellReference.class);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue