/** test the getInt() method */
public void testGetInt() {
// reading 4 byte data from a 5 byte buffer
byte[] testdata = {
(byte) 0x01, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0x02,
};
assertEquals(0xFFFFFF01, LittleEndian.getInt(testdata));
assertEquals(0x02FFFFFF, LittleEndian.getInt(testdata, 1));
}
public FIBFieldHandler(
byte mainStream[],
int startOffset,
byte tableStream[],
HashSet offsetList,
boolean areKnown) {
_unknownMap = new HashMap();
int numFields = LittleEndian.getShort(mainStream, startOffset);
int offset = startOffset + 2;
_fields = new int[numFields * 2];
for (int x = 0; x < numFields; x++) {
int fieldOffset = x * 8 + offset;
int dsOffset = LittleEndian.getInt(mainStream, fieldOffset);
fieldOffset += 4;
int dsSize = LittleEndian.getInt(mainStream, fieldOffset);
if (offsetList.contains(Integer.valueOf(x)) ^ areKnown && dsSize > 0)
if (dsOffset + dsSize > tableStream.length) {
log.log(
POILogger.WARN,
(new StringBuilder())
.append("Unhandled data structure points to outside the buffer. offset = ")
.append(dsOffset)
.append(", length = ")
.append(dsSize)
.append(", buffer length = ")
.append(tableStream.length)
.toString());
} else {
UnhandledDataStructure unhandled =
new UnhandledDataStructure(tableStream, dsOffset, dsSize);
_unknownMap.put(Integer.valueOf(x), unhandled);
}
_fields[x * 2] = dsOffset;
_fields[x * 2 + 1] = dsSize;
}
}
/**
* Reads the 8 byte header information and populates the <code>options</code> and <code>recordId
* </code> records.
*
* @param data the byte array to read from
* @param offset the offset to start reading from
* @return the number of bytes remaining in this record. This may include the children if this is
* a container.
*/
protected int readHeader(byte[] data, int offset) {
_options = LittleEndian.getShort(data, offset);
_recordId = LittleEndian.getShort(data, offset + 2);
int remainingBytes = LittleEndian.getInt(data, offset + 4);
return remainingBytes;
}
