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Posted to dev@poi.apache.org by ni...@apache.org on 2005/06/09 17:13:20 UTC
cvs commit: jakarta-poi/src/scratchpad/src/org/apache/poi/hslf/dev SlideShowRecordDumper.java UserEditAndPersistListing.java
nick 2005/06/09 08:13:20
Modified: src/scratchpad/src/org/apache/poi/hslf/dev
SlideShowRecordDumper.java
UserEditAndPersistListing.java
Log:
Improved handling of byte level position sensitive records
Revision Changes Path
1.2 +1 -1 jakarta-poi/src/scratchpad/src/org/apache/poi/hslf/dev/SlideShowRecordDumper.java
Index: SlideShowRecordDumper.java
===================================================================
RCS file: /home/cvs/jakarta-poi/src/scratchpad/src/org/apache/poi/hslf/dev/SlideShowRecordDumper.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- SlideShowRecordDumper.java 28 May 2005 05:35:59 -0000 1.1
+++ SlideShowRecordDumper.java 9 Jun 2005 15:13:20 -0000 1.2
@@ -47,7 +47,7 @@
public static void main(String args[]) throws IOException
{
if(args.length == 0) {
- System.err.println("Useage: SlideShowDumper <filename>");
+ System.err.println("Useage: SlideShowRecordDumper <filename>");
return;
}
1.2 +43 -0 jakarta-poi/src/scratchpad/src/org/apache/poi/hslf/dev/UserEditAndPersistListing.java
Index: UserEditAndPersistListing.java
===================================================================
RCS file: /home/cvs/jakarta-poi/src/scratchpad/src/org/apache/poi/hslf/dev/UserEditAndPersistListing.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- UserEditAndPersistListing.java 28 May 2005 05:35:59 -0000 1.1
+++ UserEditAndPersistListing.java 9 Jun 2005 15:13:20 -0000 1.2
@@ -22,7 +22,14 @@
import org.apache.poi.hslf.*;
import org.apache.poi.hslf.record.*;
+import org.apache.poi.poifs.filesystem.POIFSFileSystem;
+import org.apache.poi.poifs.filesystem.POIFSDocument;
+import org.apache.poi.poifs.filesystem.DocumentEntry;
+import org.apache.poi.poifs.filesystem.DocumentInputStream;
+import org.apache.poi.util.LittleEndian;
+
import java.io.*;
+import java.util.Hashtable;
/**
* Uses record level code to locate UserEditAtom records, and other
@@ -30,13 +37,18 @@
* illuminate quite what all the offsets mean
*/
public class UserEditAndPersistListing {
+ 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 ss = new HSLFSlideShow(args[0]);
+ fileContents = ss.getUnderlyingBytes();
System.out.println("");
// Find any persist ones first
@@ -52,6 +64,26 @@
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
@@ -92,4 +124,15 @@
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;
+ }
}
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