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fix the same problem as with PAPX -- CHPX shall be stored based on text positions, not on bytes

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1144638 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sergey Vladimirov 2011-07-09 11:08:45 +00:00
parent 3e5fd147eb
commit d07d8ec7f7
3 changed files with 43 additions and 24 deletions
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41
src/scratchpad/src/org/apache/poi/hwpf/model/CHPBinTable.java
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@ -17,17 +17,18 @@
package org.apache.poi.hwpf.model;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.ArrayList;
import java.io.OutputStream;
import java.io.IOException;
import org.apache.poi.hwpf.model.io.HWPFFileSystem;
import org.apache.poi.hwpf.model.io.HWPFOutputStream;
import org.apache.poi.hwpf.sprm.SprmBuffer;
import org.apache.poi.poifs.common.POIFSConstants;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.hwpf.model.io.*;
import org.apache.poi.hwpf.sprm.SprmBuffer;
/**
* This class holds all of the character formatting properties.
@ -72,13 +73,21 @@ public class CHPBinTable
public CHPBinTable( byte[] documentStream, byte[] tableStream, int offset,
int size, int fcMin, TextPieceTable tpt )
{
PlexOfCps binTable = new PlexOfCps(tableStream, offset, size, 4);
/*
* Page 35:
*
* "Associated with each interval is a BTE. A BTE holds a four-byte PN
* (page number) which identifies the FKP page in the file which
* contains the formatting information for that interval. A CHPX FKP
* further partitions an interval into runs of exception text."
*/
PlexOfCps bte = new PlexOfCps( tableStream, offset, size, 4 );
this.tpt = tpt;
int length = binTable.length();
int length = bte.length();
for (int x = 0; x < length; x++)
{
GenericPropertyNode node = binTable.getProperty(x);
GenericPropertyNode node = bte.getProperty(x);
int pageNum = LittleEndian.getInt(node.getBytes());
int pageOffset = POIFSConstants.SMALLER_BIG_BLOCK_SIZE * pageNum;
@ -202,7 +211,15 @@ public class CHPBinTable
HWPFOutputStream docStream = sys.getStream("WordDocument");
OutputStream tableStream = sys.getStream("1Table");
PlexOfCps binTable = new PlexOfCps(4);
/*
* Page 35:
*
* "Associated with each interval is a BTE. A BTE holds a four-byte PN
* (page number) which identifies the FKP page in the file which
* contains the formatting information for that interval. A CHPX FKP
* further partitions an interval into runs of exception text."
*/
PlexOfCps bte = new PlexOfCps( 4 );
// each FKP must start on a 512 byte page.
int docOffset = docStream.getOffset();
@ -232,7 +249,7 @@ public class CHPBinTable
CHPFormattedDiskPage cfkp = new CHPFormattedDiskPage();
cfkp.fill(overflow);
byte[] bufFkp = cfkp.toByteArray(fcMin);
byte[] bufFkp = cfkp.toByteArray( tpt, fcMin );
docStream.write(bufFkp);
overflow = cfkp.getOverflow();
@ -244,10 +261,10 @@ public class CHPBinTable
byte[] intHolder = new byte[4];
LittleEndian.putInt(intHolder, pageNum++);
binTable.addProperty(new GenericPropertyNode(start, end, intHolder));
bte.addProperty(new GenericPropertyNode(start, end, intHolder));
}
while (overflow != null);
tableStream.write(binTable.toByteArray());
tableStream.write(bte.toByteArray());
}
}

11
src/scratchpad/src/org/apache/poi/hwpf/model/CHPFormattedDiskPage.java
View File

@ -17,8 +17,8 @@
package org.apache.poi.hwpf.model;
import java.util.List;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.util.LittleEndian;
@ -110,7 +110,7 @@ public final class CHPFormattedDiskPage extends FormattedDiskPage
return chpx;
}
protected byte[] toByteArray(int fcMin)
protected byte[] toByteArray(CharIndexTranslator translator, int fcMin)
{
byte[] buf = new byte[512];
int size = _chpxList.size();
@ -163,7 +163,9 @@ public final class CHPFormattedDiskPage extends FormattedDiskPage
chpx = (CHPX)_chpxList.get(x);
byte[] grpprl = chpx.getGrpprl();
LittleEndian.putInt(buf, fcOffset, chpx.getStartBytes() + fcMin);
LittleEndian.putInt( buf, fcOffset,
translator.getByteIndex( chpx.getStart() ) );
grpprlOffset -= (1 + grpprl.length);
grpprlOffset -= (grpprlOffset % 2);
buf[offsetOffset] = (byte)(grpprlOffset/2);
@ -174,7 +176,8 @@ public final class CHPFormattedDiskPage extends FormattedDiskPage
fcOffset += FC_SIZE;
}
// put the last chpx's end in
LittleEndian.putInt(buf, fcOffset, chpx.getEndBytes() + fcMin);
LittleEndian.putInt( buf, fcOffset,
translator.getByteIndex( chpx.getEnd() ) );
return buf;
}

5
src/scratchpad/testcases/org/apache/poi/hwpf/usermodel/TestProblems.java
View File

@ -17,8 +17,6 @@
package org.apache.poi.hwpf.usermodel;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
@ -566,7 +564,8 @@ public final class TestProblems extends HWPFTestCase {
// doc1.write( fileOutputStream );
// fileOutputStream.close();
fixed( "47286" );
// not fixed yet, but still better
// fixed( "47286" );
}
catch ( AssertionFailedError exc )
{