/** Peek into the parentInput's input stream and if the next item
* is a NIFF String Table, then decode it and store it in the
* root RIFFForNIFF object.
* If the next item is not a NIFF String Table, do nothing
* and leave the input stream unchanged.
*
* @param parentInput the parent RIFF object being used to read the input stream.
* If parentInput.getParent() is not of type RIFFForNIFF, then this
* moves the input past the String Table but does not store it.
* @return true if the String Table was processed, false if this is
* not a String Table.
*/
static public bool maybeDecode(Riff parentInput)
{
if (!parentInput.peekFOURCC().Equals(RIFF_ID))
{
return(false);
}
Riff riffInput = new Riff(parentInput, RIFF_ID);
if (!(parentInput.getParent() is RiffForNiff))
{
// There is no place to store the data
riffInput.skipRemaining();
return(true);
}
RiffForNiff riffForNiff = (RiffForNiff)parentInput.getParent();
// Read the entire string table into a byte array
byte[] stringTable = new byte[riffInput.getBytesRemaining()];
for (int i = 0; i < stringTable.Length; ++i)
{
stringTable[i] = (byte)riffInput.readBYTE();
}
riffForNiff.setStringTable(stringTable);
// This skips possible pad byte
riffInput.skipRemaining();
return(true);
}
/** This is a static method to find the parent of riff which is
* a RIFFForNIFF and return its getStringTable().
*
* @param riff this, or one of its parents going up the chain
* should be an is RIFFForNIFF
* @return the getStringTable() from the first parent or riff
* which is a RIFFForNIFF, or return a zero length byte array
* if there is no such parent.
*/
public static byte[] getStringTable(Riff riff)
{
while (riff != null) {
if (riff is RiffForNiff)
return ((RiffForNiff)riff).getStringTable();
riff = riff.getParent();
}
return new byte[0];
}
/** This is a static method to find the parent of riff which is
* a RIFFForNIFF and return its getStringTable().
*
* @param riff this, or one of its parents going up the chain
* should be an is RIFFForNIFF
* @return the getStringTable() from the first parent or riff
* which is a RIFFForNIFF, or return a zero length byte array
* if there is no such parent.
*/
static public byte[] getStringTable(Riff riff)
{
while (riff != null)
{
if (riff is RiffForNiff)
{
return(((RiffForNiff)riff).getStringTable());
}
riff = riff.getParent();
}
return(new byte[0]);
}
/** Peek into the parentInput's input stream and if the next item
* is a NIFF String Table, then decode it and store it in the
* root RIFFForNIFF object.
* If the next item is not a NIFF String Table, do nothing
* and leave the input stream unchanged.
*
* @param parentInput the parent RIFF object being used to read the input stream.
* If parentInput.getParent() is not of type RIFFForNIFF, then this
* moves the input past the String Table but does not store it.
* @return true if the String Table was processed, false if this is
* not a String Table.
*/
public static bool maybeDecode(Riff parentInput)
{
if (!parentInput.peekFOURCC().Equals(RIFF_ID))
return false;
Riff riffInput = new Riff(parentInput, RIFF_ID);
if (!(parentInput.getParent() is RiffForNiff)) {
// There is no place to store the data
riffInput.skipRemaining();
return true;
}
RiffForNiff riffForNiff = (RiffForNiff)parentInput.getParent();
// Read the entire string table into a byte array
byte[] stringTable = new byte[riffInput.getBytesRemaining()];
for (int i = 0; i < stringTable.Length; ++i)
stringTable[i] = (byte)riffInput.readBYTE();
riffForNiff.setStringTable(stringTable);
// This skips possible pad byte
riffInput.skipRemaining();
return true;
}