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More progress towards #55906 - FormulaParser is able to identify and parse multi-sheet references, but not yet fully round-trip them. (No evaluation support yet either) 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1613317 13f79535-47bb-0310-9956-ffa450edef68
tags/REL_3_11_BETA1
Nick Burch 10 years ago
parent
c40ed2f754
commit
c5dd59014e
5 changed files with 146 additions and 19 deletions
Split View Show Diff Stats
  1. 27
    2
      src/java/org/apache/poi/ss/formula/FormulaParser.java
  2. 1
    1
      src/java/org/apache/poi/ss/formula/SheetIdentifier.java
  3. 42
    0
      src/java/org/apache/poi/ss/formula/SheetRangeIdentifier.java
  4. 48
    16
      src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFFormulaParser.java
  5. 28
    0
      src/testcases/org/apache/poi/hssf/model/TestFormulaParser.java

+ 27
- 2
src/java/org/apache/poi/ss/formula/FormulaParser.java View File

@@ -366,6 +366,8 @@ public final class FormulaParser {
* a..b!A1
* 'my sheet'!A1
* .my.sheet!A1
* 'my sheet':'my alt sheet'!A1
* .my.sheet1:.my.sheet2!$B$2
* my.named..range.
* 'my sheet'!my.named.range
* .my.sheet!my.named.range
@@ -383,6 +385,7 @@ public final class FormulaParser {
SkipWhite();
int savePointer = _pointer;
SheetIdentifier sheetIden = parseSheetName();
if (sheetIden == null) {
resetPointer(savePointer);
} else {
@@ -807,6 +810,10 @@ public final class FormulaParser {
GetChar();
return new SheetIdentifier(bookName, iden);
}
// See if it's a multi-sheet range, eg Sheet1:Sheet3!A1
if (look == ':') {
return parseSheetRange(bookName, iden);
}
return null;
}

@@ -818,20 +825,38 @@ public final class FormulaParser {
sb.append(look);
GetChar();
}
NameIdentifier iden = new NameIdentifier(sb.toString(), false);
SkipWhite();
if (look == '!') {
GetChar();
return new SheetIdentifier(bookName, new NameIdentifier(sb.toString(), false));
return new SheetIdentifier(bookName, iden);
}
// See if it's a multi-sheet range, eg Sheet1:Sheet3!A1
if (look == ':') {
return parseSheetRange(bookName, iden);
}
return null;
}
if (look == '!' && bookName != null) {
// Raw book reference, wihtout a sheet
// Raw book reference, without a sheet
GetChar();
return new SheetIdentifier(bookName, null);
}
return null;
}
/**
* If we have something that looks like [book]Sheet1: or
* Sheet1, see if it's actually a range eg Sheet1:Sheet2!
*/
private SheetIdentifier parseSheetRange(String bookname, NameIdentifier sheet1Name) {
GetChar();
SheetIdentifier sheet2 = parseSheetName();
if (sheet2 != null) {
return new SheetRangeIdentifier(bookname, sheet1Name, sheet2.getSheetIdentifier());
}
return null;
}

/**
* very similar to {@link SheetNameFormatter#isSpecialChar(char)}

+ 1
- 1
src/java/org/apache/poi/ss/formula/SheetIdentifier.java View File

@@ -31,7 +31,7 @@ public class SheetIdentifier {
public NameIdentifier getSheetIdentifier() {
return _sheetIdentifier;
}
private void asFormulaString(StringBuffer sb) {
protected void asFormulaString(StringBuffer sb) {
if (_bookName != null) {
sb.append(" [").append(_sheetIdentifier.getName()).append("]");
}

+ 42
- 0
src/java/org/apache/poi/ss/formula/SheetRangeIdentifier.java View File

@@ -0,0 +1,42 @@
/* ====================================================================
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.ss.formula;

public class SheetRangeIdentifier extends SheetIdentifier {
public NameIdentifier _lastSheetIdentifier;

public SheetRangeIdentifier(String bookName, NameIdentifier firstSheetIdentifier, NameIdentifier lastSheetIdentifier) {
super(bookName, firstSheetIdentifier);
_lastSheetIdentifier = lastSheetIdentifier;
}
public NameIdentifier getFirstSheetIdentifier() {
return super.getSheetIdentifier();
}
public NameIdentifier getLastSheetIdentifier() {
return _lastSheetIdentifier;
}
protected void asFormulaString(StringBuffer sb) {
super.asFormulaString(sb);
sb.append(':');
if (_lastSheetIdentifier.isQuoted()) {
sb.append("'").append(_lastSheetIdentifier.getName()).append("'");
} else {
sb.append(_lastSheetIdentifier.getName());
}
}
}

+ 48
- 16
src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFFormulaParser.java View File

@@ -28,7 +28,9 @@ import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.formula.FormulaParseException;
import org.apache.poi.ss.formula.FormulaParser;
import org.apache.poi.ss.formula.FormulaParsingWorkbook;
import org.apache.poi.ss.formula.FormulaRenderingWorkbook;
import org.apache.poi.ss.formula.FormulaType;
import org.apache.poi.ss.formula.WorkbookDependentFormula;
import org.apache.poi.ss.formula.ptg.Area3DPxg;
import org.apache.poi.ss.formula.ptg.AreaPtg;
import org.apache.poi.ss.formula.ptg.AttrPtg;
@@ -38,13 +40,13 @@ import org.apache.poi.ss.formula.ptg.IntPtg;
import org.apache.poi.ss.formula.ptg.NamePtg;
import org.apache.poi.ss.formula.ptg.NameXPxg;
import org.apache.poi.ss.formula.ptg.Ptg;
import org.apache.poi.ss.formula.ptg.Ref3DPtg;
import org.apache.poi.ss.formula.ptg.Ref3DPxg;
import org.apache.poi.ss.formula.ptg.RefPtg;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.XSSFTestDataSamples;
import org.junit.Ignore;
import org.junit.Test;

public final class TestXSSFFormulaParser {
@@ -244,11 +246,8 @@ public final class TestXSSFFormulaParser {
* This test, based on common test files for HSSF and XSSF, checks
* that we can read and parse these kinds of references
* (but not evaluate - that's elsewhere in the test suite)
*
* DISABLED pending support, see bug #55906
*/
@Test
@Ignore
public void multiSheetReferencesHSSFandXSSF() throws Exception {
Workbook[] wbs = new Workbook[] {
HSSFTestDataSamples.openSampleWorkbook("55906-MultiSheetRefs.xls"),
@@ -282,25 +281,58 @@ public final class TestXSSFFormulaParser {
else
fpb = XSSFEvaluationWorkbook.create((XSSFWorkbook)wb);
// Check things parse as expected:
// Note - Ptgs will only show one sheet, the formula
// parser stuff looks up the second later
// SUM to one cell over 3 workbooks, relative reference
ptgs = parse(fpb, "SUM(Sheet1:Sheet3!A1");
// TODO
// assertEquals(1, ptgs.length);
// assertEquals(Ref3DPxg.class, ptgs[0].getClass());
ptgs = parse(fpb, "SUM(Sheet1:Sheet3!A1)");
assertEquals(2, ptgs.length);
if (wb instanceof HSSFWorkbook) {
assertEquals(Ref3DPtg.class, ptgs[0].getClass());
assertEquals("Sheet1!A1", toFormulaString(ptgs[0], fpb));
} else {
assertEquals(Ref3DPxg.class, ptgs[0].getClass());
assertEquals("Sheet1!A1", toFormulaString(ptgs[0], fpb));
}
assertEquals(AttrPtg.class, ptgs[1].getClass());
assertEquals("SUM", toFormulaString(ptgs[1], fpb));
// MAX to one cell over 3 workbooks, absolute row reference
ptgs = parse(fpb, "MAX(Sheet1:Sheet3!A$1");
// TODO
// assertEquals(1, ptgs.length);
// assertEquals(Ref3DPxg.class, ptgs[0].getClass());
ptgs = parse(fpb, "MAX(Sheet1:Sheet3!A$1)");
assertEquals(2, ptgs.length);
if (wb instanceof HSSFWorkbook) {
assertEquals(Ref3DPtg.class, ptgs[0].getClass());
assertEquals("Sheet1!A$1", toFormulaString(ptgs[0], fpb));
} else {
assertEquals(Ref3DPxg.class, ptgs[0].getClass());
assertEquals("Sheet1!A$1", toFormulaString(ptgs[0], fpb));
}
assertEquals(FuncVarPtg.class, ptgs[1].getClass());
assertEquals("MAX", toFormulaString(ptgs[1], fpb));
// MIN to one cell over 3 workbooks, absolute reference
ptgs = parse(fpb, "MIN(Sheet1:Sheet3!$A$1");
// TODO
// assertEquals(1, ptgs.length);
// assertEquals(Ref3DPxg.class, ptgs[0].getClass());
ptgs = parse(fpb, "MIN(Sheet1:Sheet3!$A$1)");
assertEquals(2, ptgs.length);
if (wb instanceof HSSFWorkbook) {
assertEquals(Ref3DPtg.class, ptgs[0].getClass());
assertEquals("Sheet1!$A$1", toFormulaString(ptgs[0], fpb));
} else {
assertEquals(Ref3DPxg.class, ptgs[0].getClass());
assertEquals("Sheet1!$A$1", toFormulaString(ptgs[0], fpb));
}
assertEquals(FuncVarPtg.class, ptgs[1].getClass());
assertEquals("MIN", toFormulaString(ptgs[1], fpb));
}
}
private static String toFormulaString(Ptg ptg, FormulaParsingWorkbook wb) {
if (ptg instanceof WorkbookDependentFormula) {
return ((WorkbookDependentFormula)ptg).toFormulaString((FormulaRenderingWorkbook)wb);
}
return ptg.toFormulaString();
}
}

+ 28
- 0
src/testcases/org/apache/poi/hssf/model/TestFormulaParser.java View File

@@ -454,6 +454,34 @@ public final class TestFormulaParser extends TestCase {
assertEquals("A1:A2", formula);
}

public void testMultiSheetReference() {
HSSFWorkbook wb = new HSSFWorkbook();

wb.createSheet("Cash_Flow");
wb.createSheet("Test Sheet");
HSSFSheet sheet = wb.createSheet("Test");
HSSFRow row = sheet.createRow(0);
HSSFCell cell = row.createCell(0);
String formula = null;

// One sheet
cell.setCellFormula("Cash_Flow!A1");
formula = cell.getCellFormula();
assertEquals("Cash_Flow!A1", formula);
// Then the other
cell.setCellFormula("\'Test Sheet\'!A1");
formula = cell.getCellFormula();
assertEquals("\'Test Sheet\'!A1", formula);
// Now both
// TODO Implement remaining logic for #55906
cell.setCellFormula("Cash_Flow:\'Test Sheet\'!A1");
formula = cell.getCellFormula();
// assertEquals("Cash_Flow:\'Test Sheet\'!A1", formula);
}
/**
* Test for bug observable at svn revision 618865 (5-Feb-2008)<br/>
* a formula consisting of a single no-arg function got rendered without the function braces

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