Fix for bug 45046 - allowed DEFINEDNAME records without EXTERNALBOOK records

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@659429 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Josh Micich 2008-05-23 05:28:54 +00:00
parent 4273046fca
commit 143128be30
7 changed files with 68 additions and 18 deletions

View File

@ -37,6 +37,7 @@
<!-- Don't forget to update status.xml too! -->
<release version="3.1-final" date="2008-06-??">
<action dev="POI-DEVELOPERS" type="add">45046 - allowed EXTERNALBOOK(0x01AE) to be optional in the LinkTable</action>
<action dev="POI-DEVELOPERS" type="add">45066 - fixed sheet encoding size mismatch problems</action>
<action dev="POI-DEVELOPERS" type="add">45003 - Support embeded HDGF visio documents</action>
<action dev="POI-DEVELOPERS" type="fix">45001 - Partial fix for HWPF Range.insertBefore() and Range.delete() with unicode characters</action>

View File

@ -34,6 +34,7 @@
<!-- Don't forget to update changes.xml too! -->
<changes>
<release version="3.1-final" date="2008-06-??">
<action dev="POI-DEVELOPERS" type="add">45046 - allowed EXTERNALBOOK(0x01AE) to be optional in the LinkTable</action>
<action dev="POI-DEVELOPERS" type="add">45066 - fixed sheet encoding size mismatch problems</action>
<action dev="POI-DEVELOPERS" type="add">45003 - Support embeded HDGF visio documents</action>
<action dev="POI-DEVELOPERS" type="fix">45001 - Partial fix for HWPF Range.insertBefore() and Range.delete() with unicode characters</action>

View File

@ -41,7 +41,7 @@ import org.apache.poi.hssf.record.SupBookRecord;
*
* In BIFF8 the Link Table consists of
* <ul>
* <li>one or more EXTERNALBOOK Blocks<p/>
* <li>zero or more EXTERNALBOOK Blocks<p/>
* each consisting of
* <ul>
* <li>exactly one EXTERNALBOOK (0x01AE) record</li>
@ -55,7 +55,7 @@ import org.apache.poi.hssf.record.SupBookRecord;
* </li>
* </ul>
* </li>
* <li>exactly one EXTERNSHEET (0x0017) record</li>
* <li>zero or one EXTERNSHEET (0x0017) record</li>
* <li>zero or more DEFINEDNAME (0x0018) records</li>
* </ul>
*
@ -63,6 +63,7 @@ import org.apache.poi.hssf.record.SupBookRecord;
* @author Josh Micich
*/
final class LinkTable {
// TODO make this class into a record aggregate
private static final class CRNBlock {
@ -79,8 +80,8 @@ final class LinkTable {
_crns = crns;
}
public CRNRecord[] getCrns() {
return (CRNRecord[]) _crns.clone();
}
return (CRNRecord[]) _crns.clone();
}
}
private static final class ExternalBookBlock {
@ -136,16 +137,19 @@ final class LinkTable {
while(rs.peekNextClass() == SupBookRecord.class) {
temp.add(new ExternalBookBlock(rs));
}
if(temp.size() < 1) {
throw new RuntimeException("Need at least one EXTERNALBOOK blocks");
}
_externalBookBlocks = new ExternalBookBlock[temp.size()];
temp.toArray(_externalBookBlocks);
temp.clear();
// If link table is present, there is always 1 of ExternSheetRecord
Record next = rs.getNext();
_externSheetRecord = (ExternSheetRecord)next;
if (_externalBookBlocks.length > 0) {
// If any ExternalBookBlock present, there is always 1 of ExternSheetRecord
Record next = rs.getNext();
_externSheetRecord = (ExternSheetRecord) next;
} else {
_externSheetRecord = null;
}
_definedNames = new ArrayList();
// collect zero or more DEFINEDNAMEs id=0x18
while(rs.peekNextClass() == NameRecord.class) {
@ -222,7 +226,7 @@ final class LinkTable {
public void addName(NameRecord name) {
_definedNames.add(name);
// TODO - this is messy
// TODO - this is messy
// Not the most efficient way but the other way was causing too many bugs
int idx = findFirstRecordLocBySid(ExternSheetRecord.sid);
if (idx == -1) idx = findFirstRecordLocBySid(SupBookRecord.sid);
@ -242,8 +246,8 @@ final class LinkTable {
public int getSheetIndexFromExternSheetIndex(int externSheetNumber) {
if (externSheetNumber >= _externSheetRecord.getNumOfREFStructures()) {
return -1;
}
return -1;
}
return _externSheetRecord.getREFRecordAt(externSheetNumber).getIndexToFirstSupBook();
}
@ -265,7 +269,7 @@ final class LinkTable {
ExternSheetSubRecord esr = _externSheetRecord.getREFRecordAt(i);
if (esr.getIndexToFirstSupBook() == sheetNumber
&& esr.getIndexToLastSupBook() == sheetNumber){
&& esr.getIndexToLastSupBook() == sheetNumber){
return i;
}
}

View File

@ -191,12 +191,11 @@ public class Workbook implements Model
case ExternSheetRecord.sid :
throw new RuntimeException("Extern sheet is part of LinkTable");
case NameRecord.sid :
throw new RuntimeException("DEFINEDNAME is part of LinkTable");
case SupBookRecord.sid :
// LinkTable can start with either of these
if (log.check( POILogger.DEBUG ))
log.log(DEBUG, "found SupBook record at " + k);
retval.linkTable = new LinkTable(recs, k, retval.records);
// retval.records.supbookpos = k;
k+=retval.linkTable.getRecordCount() - 1;
continue;
case FormatRecord.sid :

View File

@ -28,7 +28,7 @@ import junit.framework.TestSuite;
public class AllUserModelTests {
public static Test suite() {
TestSuite result = new TestSuite("Tests for org.apache.poi.hssf.usermodel");
TestSuite result = new TestSuite(AllUserModelTests.class.getName());
result.addTestSuite(TestBugs.class);
result.addTestSuite(TestCellStyle.class);
@ -58,6 +58,7 @@ public class AllUserModelTests {
result.addTestSuite(TestHSSFSheetSetOrder.class);
result.addTestSuite(TestHSSFTextbox.class);
result.addTestSuite(TestHSSFWorkbook.class);
result.addTestSuite(TestLinkTable.class);
result.addTestSuite(TestNamedRange.class);
result.addTestSuite(TestOLE2Embeding.class);
result.addTestSuite(TestPOIFSProperties.class);

View File

@ -0,0 +1,44 @@
package org.apache.poi.hssf.usermodel;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.apache.poi.hssf.HSSFTestDataSamples;
/**
* Tests for LinkTable
*
* @author Josh Micich
*/
public final class TestLinkTable extends TestCase {
/**
* The example file attached to bugzilla 45046 is a clear example of Name records being present
* without an External Book (SupBook) record. Excel has no trouble reading this file.<br/>
* TODO get OOO documentation updated to reflect this (that EXTERNALBOOK is optional).
*
* It's not clear what exact steps need to be taken in Excel to create such a workbook
*/
public void testLinkTableWithoutExternalBookRecord_bug45046() {
HSSFWorkbook wb;
try {
wb = HSSFTestDataSamples.openSampleWorkbook("ex45046-21984.xls");
} catch (RuntimeException e) {
if ("DEFINEDNAME is part of LinkTable".equals(e.getMessage())) {
throw new AssertionFailedError("Identified bug 45046 b");
}
throw e;
}
// some other sanity checks
assertEquals(3, wb.getNumberOfSheets());
String formula = wb.getSheetAt(0).getRow(4).getCell(13).getCellFormula();
if ("ipcSummenproduktIntern($P5,N$6,$A$9,N$5)".equals(formula)) {
// The reported symptom of this bugzilla is an earlier bug (already fixed)
throw new AssertionFailedError("Identified bug 41726");
// This is observable in version 3.0
}
assertEquals("ipcSummenproduktIntern($C5,N$2,$A$9,N$1)", formula);
}
}