/** test the getShort() method */
public void testGetShort() {
byte[] testdata = new byte[LittleEndian.SHORT_SIZE + 1];
testdata[0] = 0x01;
testdata[1] = (byte) 0xFF;
testdata[2] = 0x02;
short expected[] = new short[2];
expected[0] = (short) 0xFF01;
expected[1] = 0x02FF;
assertEquals(expected[0], LittleEndian.getShort(testdata));
assertEquals(expected[1], LittleEndian.getShort(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;
}
}
/**
* Read the options field from header and return instance part of it.
*
* @param data the byte array to read from
* @param offset the offset to start reading from
* @return value of instance part of options field
*/
protected static short readInstance(byte data[], int offset) {
final short options = LittleEndian.getShort(data, offset);
return fInstance.getShortValue(options);
}
/**
* 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;
}
@Test
public void testGetShort() {
Binary binary = BinaryFactory.wrap(new byte[] {0x01, 0x02, (byte) 0xC1, (byte) 0xC2});
assertEquals("Wrong value", (short) 0x0201, LittleEndian.getShort(binary, 0));
assertEquals("Wrong value", (short) 0xC2C1, LittleEndian.getShort(binary, 2));
}
