moparisthebest/poi
1
0
Fork 0
Code Issues Pull Requests Releases 1 Wiki Activity

Developer helper program to try to help match Slide IDs between SlidePersistAtoms and Slides

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@389234 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2006-03-27 19:42:13 +00:00
parent b07df66836
commit f2acaed7d3
1 changed files with 164 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

164
src/scratchpad/src/org/apache/poi/hslf/dev/SlideIdListing.java Normal file
View File

@ -0,0 +1,164 @@
/* ====================================================================
Copyright 2002-2004 Apache Software Foundation
Licensed 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.dev;
import org.apache.poi.hslf.*;
import org.apache.poi.hslf.record.*;
import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.util.LittleEndian;
import java.io.*;
import java.util.Hashtable;
/**
* Gets all the different things that have Slide IDs (of sorts)
* in them, and displays them, so you can try to guess what they
* all mean
*/
public class SlideIdListing {
private static byte[] fileContents;
public static void main(String[] args) throws Exception {
if(args.length < 1) {
System.err.println("Need to give a filename");
System.exit(1);
}
// Create the slideshow object, for normal working with
HSLFSlideShow hss = new HSLFSlideShow(args[0]);
SlideShow ss = new SlideShow(hss);
// Grab the base contents
fileContents = hss.getUnderlyingBytes();
Record[] records = hss.getRecords();
Record[] latestRecords = ss.getMostRecentCoreRecords();
// Grab any records that interest us
Document document = null;
for(int i=0; i<latestRecords.length; i++) {
if(latestRecords[i] instanceof Document) {
document = (Document)latestRecords[i];
}
}
System.out.println("");
// Look for SlidePersistAtoms, and report what they have to
// say about possible slide IDs
SlideListWithText[] slwts = document.getSlideListWithTexts();
for(int i=0; i<slwts.length; i++) {
Record[] cr = slwts[i].getChildRecords();
for(int j=0; j<cr.length; j++) {
if(cr[j] instanceof SlidePersistAtom) {
SlidePersistAtom spa = (SlidePersistAtom)cr[j];
System.out.println("SlidePersistAtom knows about slide:");
System.out.println("\t" + spa.getRefID());
System.out.println("\t" + spa.getSlideIdentifier());
}
}
}
System.out.println("");
// Look for latest core records that are slides or notes
for(int i=0; i<latestRecords.length; i++) {
if(latestRecords[i] instanceof Slide) {
Slide s = (Slide)latestRecords[i];
SlideAtom sa = s.getSlideAtom();
System.out.println("Found the latest version of a slide record:");
System.out.println("\tCore ID is " + s.getSheetId());
System.out.println("\t(Core Records count is " + i + ")");
System.out.println("\tDisk Position is " + s.getLastOnDiskOffset());
System.out.println("\tMaster ID is " + sa.getMasterID());
System.out.println("\tNotes ID is " + sa.getNotesID());
}
}
System.out.println("");
for(int i=0; i<latestRecords.length; i++) {
if(latestRecords[i] instanceof Notes) {
Notes n = (Notes)latestRecords[i];
NotesAtom na = n.getNotesAtom();
System.out.println("Found the latest version of a notes record:");
System.out.println("\tCore ID is " + n.getSheetId());
System.out.println("\t(Core Records count is " + i + ")");
System.out.println("\tDisk Position is " + n.getLastOnDiskOffset());
System.out.println("\tMatching slide is " + na.getSlideID());
}
}
System.out.println("");
// Find any persist ones first
int pos = 0;
for(int i=0; i<records.length; i++) {
Record r = records[i];
if(r.getRecordType() == 6001l) {
// PersistPtrFullBlock
System.out.println("Found PersistPtrFullBlock at " + pos + " (" + Integer.toHexString(pos) + ")");
}
if(r.getRecordType() == 6002l) {
// PersistPtrIncrementalBlock
System.out.println("Found PersistPtrIncrementalBlock at " + pos + " (" + Integer.toHexString(pos) + ")");
PersistPtrHolder pph = (PersistPtrHolder)r;
// Check the sheet offsets
int[] sheetIDs = pph.getKnownSlideIDs();
Hashtable sheetOffsets = pph.getSlideLocationsLookup();
for(int j=0; j<sheetIDs.length; j++) {
Integer id = new Integer(sheetIDs[j]);
Integer offset = (Integer)sheetOffsets.get(id);
System.out.println(" Knows about sheet " + id);
System.out.println(" That sheet lives at " + offset);
Record atPos = findRecordAtPos(offset.intValue());
System.out.println(" The record at that pos is of type " + atPos.getRecordType());
System.out.println(" The record at that pos has class " + atPos.getClass().getName());
if(! (atPos instanceof PositionDependentRecord)) {
System.out.println(" ** The record class isn't position aware! **");
}
}
}
// Increase the position by the on disk size
ByteArrayOutputStream baos = new ByteArrayOutputStream();
r.writeOut(baos);
pos += baos.size();
}
System.out.println("");
}
// Finds the record at a given position
public static Record findRecordAtPos(int pos) {
long type = LittleEndian.getUShort(fileContents, pos+2);
long rlen = LittleEndian.getUInt(fileContents, pos+4);
Record r = Record.createRecordForType(type,fileContents,pos,(int)rlen+8);
return r;
}
}