/** Recognize an Alpha Character */
private boolean IsAlpha(char c) {
- return Character.isLetter(c);
+ return Character.isLetter(c) || c == '$';
}
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.BitField;
-import org.apache.poi.hssf.util.ReferenceUtil;
+import org.apache.poi.hssf.util.CellReference;
/**
* ValueReferencePtg - handles references (such as A1, A2, IA4) - Should also
* numeric fields.
*/
protected ReferencePtg(String cellref) {
- int[] xy = ReferenceUtil.getXYFromReference(cellref);
- setRow((short)xy[0]);
- setColumn((short)xy[1]);
- setColRelative(true);
- setRowRelative(true);
+ CellReference c= new CellReference(cellref);
+ setRow((short) c.getRow());
+ setColumn((short) c.getCol());
+ setColRelative(!c.isColAbsolute());
+ setRowRelative(!c.isRowAbsolute());
}
/** Creates new ValueReferencePtg */
public String toFormulaString()
{
- return ReferenceUtil.getReferenceFromXY(getRow(),getColumn());
+ //TODO -- should we store a cellreference instance in this ptg?? but .. memory is an issue, i believe!
+ return (new CellReference(getRow(),getColumn(),!isRowRelative(),!isColRelative())).toString();
}
}
--- /dev/null
+/* ====================================================================
+ * 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;
+
+public class AreaReference {
+
+
+private CellReference [] cells;
+private int dim;
+
+ /** Create an area ref from a string representation
+ */
+ public AreaReference(String reference) {
+ String[] refs = seperateAreaRefs(reference);
+ dim = refs.length;
+ cells = new CellReference[dim];
+ for (int i=0;i<dim;i++) {
+ cells[i]=new CellReference(refs[i]);
+ }
+ }
+ //not sure if we need to be flexible here!
+ /** return the dimensions of this area
+ **/
+ public int getDim() {
+ return dim;
+ }
+
+ public String toString() {
+ StringBuffer retval = new StringBuffer();
+ for (int i=0;i<dim;i++){
+ retval.append(':');
+ retval.append(cells[i].toString());
+ }
+ retval.deleteCharAt(0);
+ return retval.toString();
+ }
+
+ /**
+ * seperates Area refs in two parts and returns them as seperate elements in a
+ * String array
+ */
+ private String[] seperateAreaRefs(String reference) {
+ String retval[] = new String[2];
+ int length = reference.length();
+
+ int loc = reference.indexOf(':',0);
+
+ retval[0] = reference.substring(0,loc);
+ retval[1] = reference.substring(loc+1);
+ return retval;
+ }
+}
\ No newline at end of file
--- /dev/null
+/* ====================================================================
+ * 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;
+
+/**
+ *
+ * @author Avik Sengupta
+ */
+public class CellReference {
+
+ /** Creates new CellReference */
+ private int row;
+ private int col;
+ private boolean rowAbs;
+ private boolean colAbs;
+
+ public CellReference(String cellRef) {
+ String[] parts = seperateRowColumns(cellRef);
+ String ref = parts[0];
+ if (ref.charAt(0) == '$') {
+ colAbs=true;
+ ref=ref.substring(1);
+ }
+ col = convertColStringToNum(ref);
+ ref=parts[1];
+ if (ref.charAt(0) == '$') {
+ rowAbs=true;
+ ref=ref.substring(1);
+ }
+ row = Integer.parseInt(ref)-1;
+ }
+
+ public CellReference(int pRow, int pCol) {
+ this(pRow,pCol,false,false);
+ }
+
+ public CellReference(int pRow, int pCol, boolean pAbsRow, boolean pAbsCol) {
+ row=pRow;col=pCol;
+ rowAbs = pAbsRow;
+ colAbs=pAbsCol;
+
+ }
+
+ public int getRow(){return row;}
+ public int getCol(){return col;}
+ public boolean isRowAbsolute(){return rowAbs;}
+ public boolean isColAbsolute(){return colAbs;}
+
+ /**
+ * takes in a column reference portion of a CellRef and converts it from
+ * ALPHA-26 number format to 0-based base 10.
+ */
+ private int convertColStringToNum(String ref) {
+ int len = ref.length();
+ int retval=0;
+ int pos = 0;
+
+ for (int k = ref.length()-1; k > -1; k--) {
+ char thechar = ref.charAt(k);
+ if ( pos == 0) {
+ retval += (Character.getNumericValue(thechar)-9);
+ } else {
+ retval += (Character.getNumericValue(thechar)-9) * (pos * 26);
+ }
+ pos++;
+ }
+ return retval-1;
+ }
+
+
+ /**
+ * Seperates the row from the columns and returns an array. Element in
+ * position one is the substring containing the columns still in ALPHA-26
+ * number format.
+ */
+ private String[] seperateRowColumns(String reference) {
+ int loc = 0; // location of first number
+ String retval[] = new String[2];
+ int length = reference.length();
+
+ char[] chars = reference.toCharArray();
+ if (chars[loc]=='$') loc++;
+ for (; loc < chars.length; loc++) {
+ if (Character.isDigit(chars[loc]) || chars[loc] == '$') {
+ break;
+ }
+ }
+
+
+ retval[0] = reference.substring(0,loc);
+ retval[1] = reference.substring(loc);
+ return retval;
+ }
+
+ /**
+ * takes in a 0-based base-10 column and returns a ALPHA-26 representation
+ */
+ private static String convertNumToColString(int col) {
+ String retval = null;
+ int mod = col % 26;
+ int div = col / 26;
+ char small=(char)(mod + 65);
+ char big = (char)(div + 64);
+
+ if (div == 0) {
+ retval = ""+small;
+ } else {
+ retval = ""+big+""+small;
+ }
+
+ return retval;
+ }
+
+
+ public String toString() {
+ StringBuffer retval = new StringBuffer();
+ retval.append( (colAbs)?"$":"");
+ retval.append( convertNumToColString(col));
+ retval.append((rowAbs)?"$":"");
+ retval.append(row+1);
+
+ return retval.toString();
+ }
+}
-
+ public void testAbsRefs() throws Exception {
+ File file = File.createTempFile("testFormulaAbsRef",".xls");
+ FileOutputStream out = new FileOutputStream(file);
+ HSSFWorkbook wb = new HSSFWorkbook();
+ HSSFSheet s = wb.createSheet();
+ HSSFRow r = null;
+ HSSFCell c = null;
+
+
+ r = s.createRow((short) 0);
+
+ c = r.createCell((short) 0);
+ c.setCellFormula("A3+A2");
+ c=r.createCell( (short) 1);
+ c.setCellFormula("$A3+$A2");
+ c=r.createCell( (short) 2);
+ c.setCellFormula("A$3+A$2");
+ c=r.createCell( (short) 3);
+ c.setCellFormula("$A$3+$A$2");
+ c=r.createCell( (short) 4);
+ c.setCellFormula("SUM($A$3,$A$2)");
+
+ wb.write(out);
+ out.close();
+ assertTrue("file exists",file.exists());
+
+ FileInputStream in = new FileInputStream(file);
+ wb = new HSSFWorkbook(in);
+ s = wb.getSheetAt(0);
+ r = s.getRow(0);
+ c = r.getCell((short)0);
+ assertTrue("A3+A2", ("A3+A2").equals(c.getCellFormula()));
+ c = r.getCell((short)1);
+ assertTrue("$A3+$A2", ("$A3+$A2").equals(c.getCellFormula()));
+ c = r.getCell((short)2);
+ assertTrue("A$3+A$2", ("A$3+A$2").equals(c.getCellFormula()));
+ c = r.getCell((short)3);
+ assertTrue("$A$3+$A$2", ("$A$3+$A$2").equals(c.getCellFormula()));
+ c = r.getCell((short)4);
+ assertTrue("SUM($A$3,$A$2)", ("SUM($A$3,$A$2)").equals(c.getCellFormula()));
+ in.close();
+ }
public static void main(String [] args) {
System.out
.println("Testing org.apache.poi.hssf.usermodel.TestFormulas");
--- /dev/null
+/* ====================================================================
+ * 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);
+ }
+
+}
\ No newline at end of file