Bug 48593 - [PATCH] Multiple Saves Causes Slide Corruption
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1553610 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andreas Beeker
parent
1e4c1770d7
commit
3ef65e166d
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@ -29,6 +29,7 @@ import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Hashtable;
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import java.util.List;
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import java.util.Map;
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import org.apache.poi.POIDocument;
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import org.apache.poi.hslf.exceptions.CorruptPowerPointFileException;
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@ -40,12 +41,14 @@ import org.apache.poi.hslf.record.PersistPtrHolder;
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import org.apache.poi.hslf.record.PersistRecord;
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import org.apache.poi.hslf.record.PositionDependentRecord;
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import org.apache.poi.hslf.record.Record;
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import org.apache.poi.hslf.record.RecordTypes;
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import org.apache.poi.hslf.record.UserEditAtom;
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import org.apache.poi.hslf.usermodel.ObjectData;
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import org.apache.poi.hslf.usermodel.PictureData;
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import org.apache.poi.poifs.filesystem.DirectoryNode;
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import org.apache.poi.poifs.filesystem.DocumentEntry;
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import org.apache.poi.poifs.filesystem.DocumentInputStream;
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import org.apache.poi.poifs.filesystem.EntryUtils;
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import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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import org.apache.poi.util.LittleEndian;
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@ -59,6 +62,8 @@ import org.apache.poi.util.POILogger;
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* @author Nick Burch
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*/
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public final class HSLFSlideShow extends POIDocument {
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public static final int UNSET_OFFSET = -1;
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// For logging
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private POILogger logger = POILogFactory.getLogger(this.getClass());
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@ -346,6 +351,7 @@ public final class HSLFSlideShow extends POIDocument {
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int offset = pos;
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// Image signature
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@SuppressWarnings("unused")
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int signature = LittleEndian.getUShort(pictstream, pos);
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pos += LittleEndian.SHORT_SIZE;
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// Image type + 0xF018
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@ -392,7 +398,88 @@ public final class HSLFSlideShow extends POIDocument {
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}
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}
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/**
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* This is a helper functions, which is needed for adding new position dependent records
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* or finally write the slideshow to a file.
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*
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* @param os the stream to write to, if null only the references are updated
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* @param interestingRecords a map of interesting records (PersistPtrHolder and UserEditAtom)
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* referenced by their RecordType. Only the very last of each type will be saved to the map.
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* May be null, if not needed.
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* @throws IOException
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*/
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public void updateAndWriteDependantRecords(OutputStream os, Map<RecordTypes.Type,PositionDependentRecord> interestingRecords)
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throws IOException {
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// For position dependent records, hold where they were and now are
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// As we go along, update, and hand over, to any Position Dependent
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// records we happen across
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Hashtable<Integer,Integer> oldToNewPositions = new Hashtable<Integer,Integer>();
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// First pass - figure out where all the position dependent
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// records are going to end up, in the new scheme
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// (Annoyingly, some powerpoint files have PersistPtrHolders
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// that reference slides after the PersistPtrHolder)
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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for (Record record : _records) {
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if(record instanceof PositionDependentRecord) {
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PositionDependentRecord pdr = (PositionDependentRecord)record;
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int oldPos = pdr.getLastOnDiskOffset();
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int newPos = baos.size();
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pdr.setLastOnDiskOffset(newPos);
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if (oldPos != UNSET_OFFSET) {
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// new records don't need a mapping, as they aren't in a relation yet
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oldToNewPositions.put(Integer.valueOf(oldPos),Integer.valueOf(newPos));
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}
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}
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// Dummy write out, so the position winds on properly
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record.writeOut(baos);
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}
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baos = null;
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// For now, we're only handling PositionDependentRecord's that
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// happen at the top level.
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// In future, we'll need the handle them everywhere, but that's
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// a bit trickier
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UserEditAtom usr = null;
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for (Record record : _records) {
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if (record instanceof PositionDependentRecord) {
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// We've already figured out their new location, and
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// told them that
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// Tell them of the positions of the other records though
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PositionDependentRecord pdr = (PositionDependentRecord)record;
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pdr.updateOtherRecordReferences(oldToNewPositions);
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// Grab interesting records as they come past
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// this will only save the very last record of each type
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RecordTypes.Type saveme = null;
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int recordType = (int)record.getRecordType();
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if (recordType == RecordTypes.PersistPtrIncrementalBlock.typeID) {
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saveme = RecordTypes.PersistPtrIncrementalBlock;
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} else if (recordType == RecordTypes.UserEditAtom.typeID) {
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saveme = RecordTypes.UserEditAtom;
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usr = (UserEditAtom)pdr;
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}
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if (interestingRecords != null && saveme != null) {
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interestingRecords.put(saveme,pdr);
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}
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}
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// Whatever happens, write out that record tree
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if (os != null) {
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record.writeOut(os);
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}
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}
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// Update and write out the Current User atom
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int oldLastUserEditAtomPos = (int)currentUser.getCurrentEditOffset();
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Integer newLastUserEditAtomPos = oldToNewPositions.get(oldLastUserEditAtomPos);
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if(usr == null || newLastUserEditAtomPos == null || usr.getLastOnDiskOffset() != newLastUserEditAtomPos) {
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throw new HSLFException("Couldn't find the new location of the last UserEditAtom that used to be at " + oldLastUserEditAtomPos);
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}
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currentUser.setCurrentEditOffset(usr.getLastOnDiskOffset());
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}
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/**
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* Writes out the slideshow file the is represented by an instance
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* of this class.
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@ -426,49 +513,13 @@ public final class HSLFSlideShow extends POIDocument {
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// Write out the Property Streams
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writeProperties(outFS, writtenEntries);
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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// For position dependent records, hold where they were and now are
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// As we go along, update, and hand over, to any Position Dependent
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// records we happen across
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Hashtable<Integer,Integer> oldToNewPositions = new Hashtable<Integer,Integer>();
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// records we happen across
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updateAndWriteDependantRecords(baos, null);
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// First pass - figure out where all the position dependent
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// records are going to end up, in the new scheme
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// (Annoyingly, some powerpoing files have PersistPtrHolders
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// that reference slides after the PersistPtrHolder)
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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for(int i=0; i<_records.length; i++) {
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if(_records[i] instanceof PositionDependentRecord) {
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PositionDependentRecord pdr = (PositionDependentRecord)_records[i];
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int oldPos = pdr.getLastOnDiskOffset();
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int newPos = baos.size();
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pdr.setLastOnDiskOffset(newPos);
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oldToNewPositions.put(Integer.valueOf(oldPos),Integer.valueOf(newPos));
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//System.out.println(oldPos + " -> " + newPos);
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}
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// Dummy write out, so the position winds on properly
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_records[i].writeOut(baos);
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}
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// No go back through, actually writing ourselves out
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baos.reset();
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for(int i=0; i<_records.length; i++) {
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// For now, we're only handling PositionDependentRecord's that
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// happen at the top level.
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// In future, we'll need the handle them everywhere, but that's
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// a bit trickier
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if(_records[i] instanceof PositionDependentRecord) {
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// We've already figured out their new location, and
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// told them that
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// Tell them of the positions of the other records though
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PositionDependentRecord pdr = (PositionDependentRecord)_records[i];
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pdr.updateOtherRecordReferences(oldToNewPositions);
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}
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// Whatever happens, write out that record tree
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_records[i].writeOut(baos);
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}
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// Update our cached copy of the bytes that make up the PPT stream
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_docstream = baos.toByteArray();
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@ -476,15 +527,6 @@ public final class HSLFSlideShow extends POIDocument {
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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outFS.createDocument(bais,"PowerPoint Document");
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writtenEntries.add("PowerPoint Document");
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// Update and write out the Current User atom
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int oldLastUserEditAtomPos = (int)currentUser.getCurrentEditOffset();
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Integer newLastUserEditAtomPos = (Integer)oldToNewPositions.get(Integer.valueOf(oldLastUserEditAtomPos));
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if(newLastUserEditAtomPos == null) {
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throw new HSLFException("Couldn't find the new location of the UserEditAtom that used to be at " + oldLastUserEditAtomPos);
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}
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currentUser.setCurrentEditOffset(newLastUserEditAtomPos.intValue());
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currentUser.writeToFS(outFS);
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writtenEntries.add("Current User");
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@ -506,7 +548,7 @@ public final class HSLFSlideShow extends POIDocument {
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// If requested, write out any other streams we spot
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if(preserveNodes) {
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copyNodes(directory.getFileSystem(), outFS, writtenEntries);
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EntryUtils.copyNodes(directory.getFileSystem(), outFS, writtenEntries);
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}
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// Send the POIFSFileSystem object out to the underlying stream
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@ -612,9 +654,9 @@ public final class HSLFSlideShow extends POIDocument {
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public ObjectData[] getEmbeddedObjects() {
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if (_objects == null) {
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List<ObjectData> objects = new ArrayList<ObjectData>();
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for (int i = 0; i < _records.length; i++) {
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if (_records[i] instanceof ExOleObjStg) {
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objects.add(new ObjectData((ExOleObjStg) _records[i]));
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for (Record r : _records) {
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if (r instanceof ExOleObjStg) {
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objects.add(new ObjectData((ExOleObjStg)r));
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}
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}
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_objects = objects.toArray(new ObjectData[objects.size()]);
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@ -17,10 +17,14 @@
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package org.apache.poi.hslf.record;
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import java.io.*;
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import java.util.zip.InflaterInputStream;
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import java.util.zip.DeflaterOutputStream;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.Hashtable;
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import java.util.zip.DeflaterOutputStream;
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import java.util.zip.InflaterInputStream;
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import org.apache.poi.util.BoundedInputStream;
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import org.apache.poi.util.LittleEndian;
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@ -120,7 +124,7 @@ public class ExOleObjStg extends RecordAtom implements PositionDependentRecord,
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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//first four bytes is the length of the raw data
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byte[] b = new byte[4];
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LittleEndian.putInt(b, data.length);
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LittleEndian.putInt(b, 0, data.length);
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out.write(b);
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DeflaterOutputStream def = new DeflaterOutputStream(out);
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@ -25,7 +25,12 @@ import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.*;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import org.apache.poi.ddf.EscherBSERecord;
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import org.apache.poi.ddf.EscherContainerRecord;
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@ -35,11 +40,43 @@ import org.apache.poi.hpsf.ClassID;
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import org.apache.poi.hslf.HSLFSlideShow;
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import org.apache.poi.hslf.exceptions.CorruptPowerPointFileException;
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import org.apache.poi.hslf.exceptions.HSLFException;
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import org.apache.poi.hslf.model.*;
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import org.apache.poi.hslf.model.HeadersFooters;
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import org.apache.poi.hslf.model.Hyperlink;
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import org.apache.poi.hslf.model.MovieShape;
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import org.apache.poi.hslf.model.Notes;
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import org.apache.poi.hslf.model.PPFont;
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import org.apache.poi.hslf.model.Picture;
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import org.apache.poi.hslf.model.Shape;
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import org.apache.poi.hslf.model.Slide;
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import org.apache.poi.hslf.record.*;
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import org.apache.poi.hslf.model.SlideMaster;
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import org.apache.poi.hslf.model.TitleMaster;
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import org.apache.poi.hslf.record.Document;
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import org.apache.poi.hslf.record.DocumentAtom;
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import org.apache.poi.hslf.record.ExAviMovie;
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import org.apache.poi.hslf.record.ExControl;
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import org.apache.poi.hslf.record.ExEmbed;
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import org.apache.poi.hslf.record.ExEmbedAtom;
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import org.apache.poi.hslf.record.ExHyperlink;
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import org.apache.poi.hslf.record.ExHyperlinkAtom;
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import org.apache.poi.hslf.record.ExMCIMovie;
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import org.apache.poi.hslf.record.ExObjList;
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import org.apache.poi.hslf.record.ExObjListAtom;
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import org.apache.poi.hslf.record.ExOleObjAtom;
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import org.apache.poi.hslf.record.ExOleObjStg;
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import org.apache.poi.hslf.record.ExVideoContainer;
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import org.apache.poi.hslf.record.FontCollection;
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import org.apache.poi.hslf.record.FontEntityAtom;
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import org.apache.poi.hslf.record.HeadersFootersContainer;
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import org.apache.poi.hslf.record.PersistPtrHolder;
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import org.apache.poi.hslf.record.PositionDependentRecord;
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import org.apache.poi.hslf.record.PositionDependentRecordContainer;
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import org.apache.poi.hslf.record.Record;
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import org.apache.poi.hslf.record.RecordContainer;
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import org.apache.poi.hslf.record.RecordTypes;
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import org.apache.poi.hslf.record.SlideListWithText;
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import org.apache.poi.hslf.record.SlideListWithText.SlideAtomsSet;
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import org.apache.poi.hslf.record.SlidePersistAtom;
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import org.apache.poi.hslf.record.UserEditAtom;
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import org.apache.poi.poifs.filesystem.DirectoryNode;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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import org.apache.poi.util.POILogFactory;
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@ -58,15 +95,12 @@ public final class SlideShow {
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// What we're based on
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private HSLFSlideShow _hslfSlideShow;
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// Low level contents, as taken from HSLFSlideShow
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private Record[] _records;
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// Pointers to the most recent versions of the core records
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// (Document, Notes, Slide etc)
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private Record[] _mostRecentCoreRecords;
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// Lookup between the PersitPtr "sheet" IDs, and the position
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// in the mostRecentCoreRecords array
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private Hashtable<Integer,Integer> _sheetIdToCoreRecordsLookup;
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private Map<Integer,Integer> _sheetIdToCoreRecordsLookup;
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// Records that are interesting
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private Document _documentRecord;
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@ -97,10 +131,9 @@ public final class SlideShow {
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public SlideShow(HSLFSlideShow hslfSlideShow) {
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// Get useful things from our base slideshow
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_hslfSlideShow = hslfSlideShow;
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_records = _hslfSlideShow.getRecords();
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// Handle Parent-aware Records
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for (Record record : _records) {
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for (Record record : _hslfSlideShow.getRecords()) {
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if(record instanceof RecordContainer){
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RecordContainer.handleParentAwareRecords((RecordContainer)record);
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}
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@ -135,25 +168,23 @@ public final class SlideShow {
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*/
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private void findMostRecentCoreRecords() {
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// To start with, find the most recent in the byte offset domain
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Hashtable<Integer,Integer> mostRecentByBytes = new Hashtable<Integer,Integer>();
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for (int i = 0; i < _records.length; i++) {
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if (_records[i] instanceof PersistPtrHolder) {
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PersistPtrHolder pph = (PersistPtrHolder) _records[i];
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Map<Integer,Integer> mostRecentByBytes = new HashMap<Integer,Integer>();
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for (Record record : _hslfSlideShow.getRecords()) {
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if (record instanceof PersistPtrHolder) {
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PersistPtrHolder pph = (PersistPtrHolder) record;
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// If we've already seen any of the "slide" IDs for this
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// PersistPtr, remove their old positions
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int[] ids = pph.getKnownSlideIDs();
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for (int j = 0; j < ids.length; j++) {
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Integer id = Integer.valueOf(ids[j]);
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for (int id : ids) {
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if (mostRecentByBytes.containsKey(id)) {
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mostRecentByBytes.remove(id);
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}
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}
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// Now, update the byte level locations with their latest values
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Hashtable<Integer,Integer> thisSetOfLocations = pph.getSlideLocationsLookup();
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for (int j = 0; j < ids.length; j++) {
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Integer id = Integer.valueOf(ids[j]);
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Map<Integer,Integer> thisSetOfLocations = pph.getSlideLocationsLookup();
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for (int id : ids) {
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mostRecentByBytes.put(id, thisSetOfLocations.get(id));
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}
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}
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@ -165,54 +196,48 @@ public final class SlideShow {
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// We'll also want to be able to turn the slide IDs into a position
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// in this array
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_sheetIdToCoreRecordsLookup = new Hashtable<Integer,Integer>();
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int[] allIDs = new int[_mostRecentCoreRecords.length];
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Enumeration<Integer> ids = mostRecentByBytes.keys();
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for (int i = 0; i < allIDs.length; i++) {
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Integer id = ids.nextElement();
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allIDs[i] = id.intValue();
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}
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_sheetIdToCoreRecordsLookup = new HashMap<Integer,Integer>();
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Integer[] allIDs = mostRecentByBytes.keySet().toArray(new Integer[mostRecentByBytes.size()]);
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Arrays.sort(allIDs);
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for (int i = 0; i < allIDs.length; i++) {
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_sheetIdToCoreRecordsLookup.put(Integer.valueOf(allIDs[i]), Integer.valueOf(i));
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_sheetIdToCoreRecordsLookup.put(allIDs[i], i);
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}
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// Now convert the byte offsets back into record offsets
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||||
for (int i = 0; i < _records.length; i++) {
|
||||
if (_records[i] instanceof PositionDependentRecord) {
|
||||
PositionDependentRecord pdr = (PositionDependentRecord) _records[i];
|
||||
Integer recordAt = Integer.valueOf(pdr.getLastOnDiskOffset());
|
||||
for (Record record : _hslfSlideShow.getRecords()) {
|
||||
if (record instanceof PositionDependentRecord) {
|
||||
PositionDependentRecord pdr = (PositionDependentRecord) record;
|
||||
int recordAt = pdr.getLastOnDiskOffset();
|
||||
|
||||
// Is it one we care about?
|
||||
for (int j = 0; j < allIDs.length; j++) {
|
||||
Integer thisID = Integer.valueOf(allIDs[j]);
|
||||
Integer thatRecordAt = mostRecentByBytes.get(thisID);
|
||||
for (Integer thisID : allIDs) {
|
||||
int thatRecordAt = mostRecentByBytes.get(thisID);
|
||||
|
||||
if (thatRecordAt.equals(recordAt)) {
|
||||
if (thatRecordAt == recordAt) {
|
||||
// Bingo. Now, where do we store it?
|
||||
Integer storeAtI = _sheetIdToCoreRecordsLookup.get(thisID);
|
||||
int storeAt = storeAtI.intValue();
|
||||
|
||||
// Tell it its Sheet ID, if it cares
|
||||
if (pdr instanceof PositionDependentRecordContainer) {
|
||||
PositionDependentRecordContainer pdrc = (PositionDependentRecordContainer) _records[i];
|
||||
pdrc.setSheetId(thisID.intValue());
|
||||
PositionDependentRecordContainer pdrc = (PositionDependentRecordContainer) record;
|
||||
pdrc.setSheetId(thisID);
|
||||
}
|
||||
|
||||
// Finally, save the record
|
||||
_mostRecentCoreRecords[storeAt] = _records[i];
|
||||
_mostRecentCoreRecords[storeAt] = record;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Now look for the interesting records in there
|
||||
for (int i = 0; i < _mostRecentCoreRecords.length; i++) {
|
||||
for (Record record : _mostRecentCoreRecords) {
|
||||
// Check there really is a record at this number
|
||||
if (_mostRecentCoreRecords[i] != null) {
|
||||
if (record != null) {
|
||||
// Find the Document, and interesting things in it
|
||||
if (_mostRecentCoreRecords[i].getRecordType() == RecordTypes.Document.typeID) {
|
||||
_documentRecord = (Document) _mostRecentCoreRecords[i];
|
||||
if (record.getRecordType() == RecordTypes.Document.typeID) {
|
||||
_documentRecord = (Document) record;
|
||||
_fonts = _documentRecord.getEnvironment().getFontCollection();
|
||||
}
|
||||
} else {
|
||||
|
|
@ -296,9 +321,8 @@ public final class SlideShow {
|
|||
ArrayList<SlideMaster> mmr = new ArrayList<SlideMaster>();
|
||||
ArrayList<TitleMaster> tmr = new ArrayList<TitleMaster>();
|
||||
|
||||
for (int i = 0; i < masterSets.length; i++) {
|
||||
Record r = getCoreRecordForSAS(masterSets[i]);
|
||||
SlideAtomsSet sas = masterSets[i];
|
||||
for (SlideAtomsSet sas : masterSets) {
|
||||
Record r = getCoreRecordForSAS(sas);
|
||||
int sheetNo = sas.getSlidePersistAtom().getSlideIdentifier();
|
||||
if (r instanceof org.apache.poi.hslf.record.Slide) {
|
||||
TitleMaster master = new TitleMaster((org.apache.poi.hslf.record.Slide) r,
|
||||
|
|
@ -313,11 +337,8 @@ public final class SlideShow {
|
|||
}
|
||||
}
|
||||
|
||||
_masters = new SlideMaster[mmr.size()];
|
||||
mmr.toArray(_masters);
|
||||
|
||||
_titleMasters = new TitleMaster[tmr.size()];
|
||||
tmr.toArray(_titleMasters);
|
||||
_masters = mmr.toArray(new SlideMaster[mmr.size()]);
|
||||
_titleMasters = tmr.toArray(new TitleMaster[tmr.size()]);
|
||||
}
|
||||
|
||||
// Having sorted out the masters, that leaves the notes and slides
|
||||
|
|
@ -326,14 +347,14 @@ public final class SlideShow {
|
|||
// notesSLWT
|
||||
org.apache.poi.hslf.record.Notes[] notesRecords;
|
||||
SlideAtomsSet[] notesSets = new SlideAtomsSet[0];
|
||||
Hashtable<Integer,Integer> slideIdToNotes = new Hashtable<Integer,Integer>();
|
||||
Map<Integer,Integer> slideIdToNotes = new HashMap<Integer,Integer>();
|
||||
if (notesSLWT == null) {
|
||||
// None
|
||||
notesRecords = new org.apache.poi.hslf.record.Notes[0];
|
||||
} else {
|
||||
// Match up the records and the SlideAtomSets
|
||||
notesSets = notesSLWT.getSlideAtomsSets();
|
||||
ArrayList<org.apache.poi.hslf.record.Notes> notesRecordsL =
|
||||
List<org.apache.poi.hslf.record.Notes> notesRecordsL =
|
||||
new ArrayList<org.apache.poi.hslf.record.Notes>();
|
||||
for (int i = 0; i < notesSets.length; i++) {
|
||||
// Get the right core record
|
||||
|
|
@ -346,8 +367,8 @@ public final class SlideShow {
|
|||
|
||||
// Record the match between slide id and these notes
|
||||
SlidePersistAtom spa = notesSets[i].getSlidePersistAtom();
|
||||
Integer slideId = Integer.valueOf(spa.getSlideIdentifier());
|
||||
slideIdToNotes.put(slideId, Integer.valueOf(i));
|
||||
int slideId = spa.getSlideIdentifier();
|
||||
slideIdToNotes.put(slideId, i);
|
||||
} else {
|
||||
logger.log(POILogger.ERROR, "A Notes SlideAtomSet at " + i
|
||||
+ " said its record was at refID "
|
||||
|
|
@ -686,9 +707,8 @@ public final class SlideShow {
|
|||
// (Will stay as null if no SlidePersistAtom exists yet in
|
||||
// the slide, or only master slide's ones do)
|
||||
SlidePersistAtom prev = null;
|
||||
SlideAtomsSet[] sas = slist.getSlideAtomsSets();
|
||||
for (int j = 0; j < sas.length; j++) {
|
||||
SlidePersistAtom spa = sas[j].getSlidePersistAtom();
|
||||
for (SlideAtomsSet sas : slist.getSlideAtomsSets()) {
|
||||
SlidePersistAtom spa = sas.getSlidePersistAtom();
|
||||
if (spa.getSlideIdentifier() < 0) {
|
||||
// This is for a master slide
|
||||
// Odd, since we only deal with the Slide SLWT
|
||||
|
|
@ -850,19 +870,16 @@ public final class SlideShow {
|
|||
* found
|
||||
*/
|
||||
public PPFont getFont(int idx) {
|
||||
PPFont font = null;
|
||||
FontCollection fonts = getDocumentRecord().getEnvironment().getFontCollection();
|
||||
Record[] ch = fonts.getChildRecords();
|
||||
for (int i = 0; i < ch.length; i++) {
|
||||
if (ch[i] instanceof FontEntityAtom) {
|
||||
FontEntityAtom atom = (FontEntityAtom) ch[i];
|
||||
for (Record ch : fonts.getChildRecords()) {
|
||||
if (ch instanceof FontEntityAtom) {
|
||||
FontEntityAtom atom = (FontEntityAtom) ch;
|
||||
if (atom.getFontIndex() == idx) {
|
||||
font = new PPFont(atom);
|
||||
break;
|
||||
return new PPFont(atom);
|
||||
}
|
||||
}
|
||||
}
|
||||
return font;
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -885,11 +902,10 @@ public final class SlideShow {
|
|||
boolean ppt2007 = "___PPT12".equals(tag);
|
||||
|
||||
HeadersFootersContainer hdd = null;
|
||||
Record[] ch = _documentRecord.getChildRecords();
|
||||
for (int i = 0; i < ch.length; i++) {
|
||||
if (ch[i] instanceof HeadersFootersContainer
|
||||
&& ((HeadersFootersContainer) ch[i]).getOptions() == HeadersFootersContainer.SlideHeadersFootersContainer) {
|
||||
hdd = (HeadersFootersContainer) ch[i];
|
||||
for (Record ch : _documentRecord.getChildRecords()) {
|
||||
if (ch instanceof HeadersFootersContainer
|
||||
&& ((HeadersFootersContainer) ch).getOptions() == HeadersFootersContainer.SlideHeadersFootersContainer) {
|
||||
hdd = (HeadersFootersContainer) ch;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -912,11 +928,10 @@ public final class SlideShow {
|
|||
boolean ppt2007 = "___PPT12".equals(tag);
|
||||
|
||||
HeadersFootersContainer hdd = null;
|
||||
Record[] ch = _documentRecord.getChildRecords();
|
||||
for (int i = 0; i < ch.length; i++) {
|
||||
if (ch[i] instanceof HeadersFootersContainer
|
||||
&& ((HeadersFootersContainer) ch[i]).getOptions() == HeadersFootersContainer.NotesHeadersFootersContainer) {
|
||||
hdd = (HeadersFootersContainer) ch[i];
|
||||
for (Record ch : _documentRecord.getChildRecords()) {
|
||||
if (ch instanceof HeadersFootersContainer
|
||||
&& ((HeadersFootersContainer) ch).getOptions() == HeadersFootersContainer.NotesHeadersFootersContainer) {
|
||||
hdd = (HeadersFootersContainer) ch;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -1107,37 +1122,23 @@ public final class SlideShow {
|
|||
}
|
||||
|
||||
protected int addPersistentObject(PositionDependentRecord slideRecord) {
|
||||
int slideRecordPos = _hslfSlideShow.appendRootLevelRecord((Record)slideRecord);
|
||||
_records = _hslfSlideShow.getRecords();
|
||||
slideRecord.setLastOnDiskOffset(HSLFSlideShow.UNSET_OFFSET);
|
||||
_hslfSlideShow.appendRootLevelRecord((Record)slideRecord);
|
||||
|
||||
// Add the new Slide into the PersistPtr stuff
|
||||
int offset = 0;
|
||||
int slideOffset = 0;
|
||||
PersistPtrHolder ptr = null;
|
||||
UserEditAtom usr = null;
|
||||
int i = 0;
|
||||
for (Record record : _records) {
|
||||
// Grab interesting records as they come past
|
||||
int recordType = (int)record.getRecordType();
|
||||
if (recordType == RecordTypes.PersistPtrIncrementalBlock.typeID) {
|
||||
ptr = (PersistPtrHolder)record;
|
||||
}
|
||||
if (recordType == RecordTypes.UserEditAtom.typeID) {
|
||||
usr = (UserEditAtom)record;
|
||||
}
|
||||
// For position dependent records, hold where they were and now are
|
||||
// As we go along, update, and hand over, to any Position Dependent
|
||||
// records we happen across
|
||||
Map<RecordTypes.Type,PositionDependentRecord> interestingRecords =
|
||||
new HashMap<RecordTypes.Type,PositionDependentRecord>();
|
||||
|
||||
if (i++ == slideRecordPos) {
|
||||
slideOffset = offset;
|
||||
}
|
||||
|
||||
try {
|
||||
ByteArrayOutputStream out = new ByteArrayOutputStream();
|
||||
record.writeOut(out);
|
||||
offset += out.size();
|
||||
} catch (IOException e) {
|
||||
throw new HSLFException(e);
|
||||
}
|
||||
}
|
||||
try {
|
||||
_hslfSlideShow.updateAndWriteDependantRecords(null,interestingRecords);
|
||||
} catch (IOException e) {
|
||||
throw new HSLFException(e);
|
||||
}
|
||||
|
||||
PersistPtrHolder ptr = (PersistPtrHolder)interestingRecords.get(RecordTypes.PersistPtrIncrementalBlock);
|
||||
UserEditAtom usr = (UserEditAtom)interestingRecords.get(RecordTypes.UserEditAtom);
|
||||
|
||||
// persist ID is UserEditAtom.maxPersistWritten + 1
|
||||
int psrId = usr.getMaxPersistWritten() + 1;
|
||||
|
|
@ -1149,6 +1150,7 @@ public final class SlideShow {
|
|||
|
||||
// Add the new slide into the last PersistPtr
|
||||
// (Also need to tell it where it is)
|
||||
int slideOffset = slideRecord.getLastOnDiskOffset();
|
||||
slideRecord.setLastOnDiskOffset(slideOffset);
|
||||
ptr.addSlideLookup(psrId, slideOffset);
|
||||
logger.log(POILogger.INFO, "New slide/object ended up at " + slideOffset);
|
||||
|
|
|
|||
|
|
@ -0,0 +1,74 @@
|
|||
/* ====================================================================
|
||||
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.hslf;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
|
||||
import org.apache.poi.POIDataSamples;
|
||||
import org.apache.poi.hslf.usermodel.SlideShow;
|
||||
|
||||
public class HSLFTestDataSamples {
|
||||
|
||||
private static final POIDataSamples _inst = POIDataSamples.getSlideShowInstance();
|
||||
|
||||
public static InputStream openSampleFileStream(String sampleFileName) {
|
||||
return _inst.openResourceAsStream(sampleFileName);
|
||||
}
|
||||
public static File getSampleFile(String sampleFileName) {
|
||||
return _inst.getFile(sampleFileName);
|
||||
}
|
||||
public static byte[] getTestDataFileContent(String fileName) {
|
||||
return _inst.readFile(fileName);
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a slideshow to a <tt>ByteArrayOutputStream</tt> and reads it back
|
||||
* from a <tt>ByteArrayInputStream</tt>.<p/>
|
||||
* Useful for verifying that the serialisation round trip
|
||||
*/
|
||||
public static HSLFSlideShow writeOutAndReadBack(HSLFSlideShow original) {
|
||||
try {
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
|
||||
original.write(baos);
|
||||
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
|
||||
return new HSLFSlideShow(bais);
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes a slideshow to a <tt>ByteArrayOutputStream</tt> and reads it back
|
||||
* from a <tt>ByteArrayInputStream</tt>.<p/>
|
||||
* Useful for verifying that the serialisation round trip
|
||||
*/
|
||||
public static SlideShow writeOutAndReadBack(SlideShow original) {
|
||||
try {
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
|
||||
original.write(baos);
|
||||
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
|
||||
return new SlideShow(bais);
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -18,15 +18,16 @@
|
|||
package org.apache.poi.hslf;
|
||||
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.FileNotFoundException;
|
||||
|
||||
import junit.framework.TestCase;
|
||||
|
||||
import org.apache.poi.hslf.usermodel.SlideShow;
|
||||
import org.apache.poi.poifs.filesystem.*;
|
||||
import org.apache.poi.POIDataSamples;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.FileNotFoundException;
|
||||
import org.apache.poi.hslf.usermodel.SlideShow;
|
||||
import org.apache.poi.poifs.filesystem.DocumentEntry;
|
||||
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
|
||||
|
||||
/**
|
||||
* Tests that HSLFSlideShow writes the powerpoint bit of data back out
|
||||
|
|
@ -160,4 +161,16 @@ public final class TestReWrite extends TestCase {
|
|||
assertEquals(_oData[i], _nData[i]);
|
||||
}
|
||||
}
|
||||
|
||||
public void test48593() throws Exception {
|
||||
SlideShow slideShow = new SlideShow();
|
||||
slideShow.createSlide();
|
||||
slideShow = HSLFTestDataSamples.writeOutAndReadBack(slideShow);
|
||||
slideShow.createSlide();
|
||||
slideShow = HSLFTestDataSamples.writeOutAndReadBack(slideShow);
|
||||
slideShow.createSlide();
|
||||
slideShow = HSLFTestDataSamples.writeOutAndReadBack(slideShow);
|
||||
slideShow.createSlide();
|
||||
slideShow = HSLFTestDataSamples.writeOutAndReadBack(slideShow);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue