Author: nick Date: Mon Mar 27 11:42:13 2006 New Revision: 389234 URL: http://svn.apache.org/viewcvs?rev=389234&view=rev Log: Developer helper program to try to help match Slide IDs between SlidePersistAtoms and Slides
Added: jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/dev/SlideIdListing.java Added: jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/dev/SlideIdListing.java URL: http://svn.apache.org/viewcvs/jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/dev/SlideIdListing.java?rev=389234&view=auto ============================================================================== --- jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/dev/SlideIdListing.java (added) +++ jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/dev/SlideIdListing.java Mon Mar 27 11:42:13 2006 @@ -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; + } +} --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] Mailing List: http://jakarta.apache.org/site/mail2.html#poi The Apache Jakarta POI Project: http://jakarta.apache.org/poi/