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Biff viewer changes for office drawing support 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/branches/REL_2_BRANCH@353498 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Glen Stampoultzis 2004-02-10 22:01:31 +00:00
parent 9ef45e5f61
commit 8e27ed87eb
1 changed files with 95 additions and 62 deletions
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157
src/java/org/apache/poi/hssf/dev/BiffViewer.java
View File

@ -107,7 +107,7 @@ public class BiffViewer {
new POIFSFileSystem(new FileInputStream(filename));
InputStream stream =
fs.createDocumentInputStream("Workbook");
Record[] records = createRecords(stream, dump);
createRecords(stream, dump);
} catch (Exception e) {
e.printStackTrace();
}
@ -128,17 +128,18 @@ public class BiffViewer {
public static Record[] createRecords(InputStream in, boolean dump)
throws RecordFormatException {
ArrayList records = new ArrayList();
Record last_record = null;
// Record last_record = null;
int loc = 0;
RecordDetails activeRecord = null;
try {
// long offset = 0;
short rectype = 0;
do {
rectype = LittleEndian.readShort(in);
System.out.println("============================================");
System.out.println("Offset 0x" + Integer.toHexString(loc) + " (" + loc + ")");
int startloc = loc;
loc += 2;
if (rectype != 0) {
short recsize = LittleEndian.readShort(in);
@ -147,36 +148,27 @@ public class BiffViewer {
byte[] data = new byte[(int) recsize];
in.read(data);
if ((rectype == WSBoolRecord.sid) && (recsize == 0)) {
System.out.println(loc);
}
loc += recsize;
// offset += 4 + recsize;
Record record = createRecord(rectype, recsize, data );
if (record.getSid() != ContinueRecord.sid)
{
records.add(record);
if (activeRecord != null)
activeRecord.dump();
activeRecord = new RecordDetails(rectype, recsize, startloc, data, record);
}
else
{
activeRecord.getRecord().processContinueRecord(data);
}
if (dump) {
dump(rectype, recsize, data);
}
Record[] recs = createRecord(rectype, recsize,
data);
// handle MulRK records
Record record = recs[0];
if ((record instanceof UnknownRecord)
&& !dump) {
// if we didn't already dump
// just cause dump was on and we're hit an unknow
dumpUnknownRecord(data);
}
if (record != null) {
if (rectype == ContinueRecord.sid) {
dumpContinueRecord(last_record, dump, data);
} else {
last_record = record;
records.add(record);
}
dumpRaw(rectype, recsize, data);
}
}
} while (rectype != 0);
activeRecord.dump();
} catch (IOException e) {
throw new RecordFormatException("Error reading bytes");
}
@ -186,15 +178,14 @@ public class BiffViewer {
return retval;
}
private static void dumpNormal(Record record, int startloc, short rectype, short recsize)
{
System.out.println("Offset 0x" + Integer.toHexString(startloc) + " (" + startloc + ")");
System.out.println( "recordid = 0x" + Integer.toHexString( rectype ) + ", size = " + recsize );
System.out.println( record.toString() );
}
/**
* Description of the Method
*
*@param last_record Description of the Parameter
*@param dump Description of the Parameter
*@param data Description of the Parameter
*@exception IOException Description of the Exception
*/
private static void dumpContinueRecord(Record last_record, boolean dump, byte[] data) throws IOException {
if (last_record == null) {
throw new RecordFormatException(
@ -226,12 +217,6 @@ public class BiffViewer {
}
/**
* Description of the Method
*
*@param data Description of the Parameter
*@exception IOException Description of the Exception
*/
private static void dumpUnknownRecord(byte[] data) throws IOException {
// record hex dump it!
System.out.println(
@ -247,10 +232,11 @@ public class BiffViewer {
}
private static void dump( short rectype, short recsize, byte[] data ) throws IOException
private static void dumpRaw( short rectype, short recsize, byte[] data ) throws IOException
{
// System.out
// .println("fixing to recordize the following");
System.out.println("============================================");
System.out.print( "rectype = 0x"
+ Integer.toHexString( rectype ) );
System.out.println( ", recsize = 0x"
@ -275,19 +261,12 @@ public class BiffViewer {
* Essentially a duplicate of RecordFactory. Kept seperate as not to screw
* up non-debug operations.
*
*@param rectype Description of the Parameter
*@param size Description of the Parameter
*@param data Description of the Parameter
*@return Description of the Return Value
*/
private static Record[] createRecord( short rectype, short size,
private static Record createRecord( short rectype, short size,
byte[] data )
{
Record retval = null;
Record[] realretval = null;
// int irectype = rectype;
switch ( rectype )
{
@ -429,6 +408,15 @@ public class BiffViewer {
case GridsetRecord.sid:
retval = new GridsetRecord( rectype, size, data );
break;
case DrawingGroupRecord.sid:
retval = new DrawingGroupRecord( rectype, size, data );
break;
case DrawingRecordForBiffViewer.sid:
retval = new DrawingRecordForBiffViewer( rectype, size, data );
break;
case DrawingSelectionRecord.sid:
retval = new DrawingSelectionRecord( rectype, size, data );
break;
case GutsRecord.sid:
retval = new GutsRecord( rectype, size, data );
break;
@ -633,25 +621,22 @@ public class BiffViewer {
case SharedFormulaRecord.sid:
retval = new SharedFormulaRecord( rectype, size, data);
break;
case ObjRecord.sid:
retval = new ObjRecord( rectype, size, data);
break;
case TextObjectRecord.sid:
retval = new TextObjectRecord( rectype, size, data);
break;
case HorizontalPageBreakRecord.sid:
retval = new HorizontalPageBreakRecord( rectype, size, data);
break;
case VerticalPageBreakRecord.sid:
retval = new VerticalPageBreakRecord( rectype, size, data);
break;
default:
retval = new UnknownRecord( rectype, size, data );
}
if ( realretval == null )
{
realretval = new Record[1];
realretval[0] = retval;
System.out.println( "recordid = 0x" + Integer.toHexString( rectype ) + ", size =" + size );
System.out.println( realretval[0].toString() );
}
return realretval;
return retval;
}
@ -682,6 +667,7 @@ public class BiffViewer {
public static void main(String[] args) {
try {
System.setProperty("poi.deserialize.escher", "true");
BiffViewer viewer = new BiffViewer(args);
if ((args.length > 1) && args[1].equals("on")) {
@ -704,4 +690,51 @@ public class BiffViewer {
e.printStackTrace();
}
}
static class RecordDetails
{
short rectype, recsize;
int startloc;
byte[] data;
Record record;
public RecordDetails( short rectype, short recsize, int startloc, byte[] data, Record record )
{
this.rectype = rectype;
this.recsize = recsize;
this.startloc = startloc;
this.data = data;
this.record = record;
}
public short getRectype()
{
return rectype;
}
public short getRecsize()
{
return recsize;
}
public byte[] getData()
{
return data;
}
public Record getRecord()
{
return record;
}
public void dump() throws IOException
{
if (record instanceof UnknownRecord)
dumpUnknownRecord(data);
else
dumpNormal(record, startloc, rectype, recsize);
}
}
}