private static byte[] readRawData(LittleEndianInput in, int size) {
if (size < 0) {
throw new IllegalArgumentException("Negative size (" + size + ")");
}
if (size == 0) {
return EMPTY_BYTE_ARRAY;
}
byte[] result = new byte[size];
in.readFully(result);
return result;
}
private static byte[] readTail(byte[] expectedTail, LittleEndianInput in) {
byte[] result = new byte[TAIL_SIZE];
in.readFully(result);
if (false) { // Quite a few examples in the unit tests which don't have the exact expected tail
for (int i = 0; i < expectedTail.length; i++) {
if (expectedTail[i] != result[i]) {
System.err.println(
"Mismatch in tail byte ["
+ i
+ "]"
+ "expected "
+ (expectedTail[i] & 0xFF)
+ " but got "
+ (result[i] & 0xFF));
}
}
}
return result;
}
/**
* When there are no array constants present, <tt>encodedTokenLen</tt>==<tt>totalEncodedLen</tt>
*
* @param encodedTokenLen number of bytes in the stream taken by the plain formula tokens
* @param totalEncodedLen the total number of bytes in the formula (includes trailing encoding for
* array constants, but does not include 2 bytes for initial <tt>ushort encodedTokenLen</tt>
* field.
* @return A new formula object as read from the stream. Possibly empty, never <code>null</code>.
*/
public static Formula read(int encodedTokenLen, LittleEndianInput in, int totalEncodedLen) {
byte[] byteEncoding = new byte[totalEncodedLen];
in.readFully(byteEncoding);
return new Formula(byteEncoding, encodedTokenLen);
}
public GroupMarkerSubRecord(LittleEndianInput in, int size) {
byte[] buf = new byte[size];
in.readFully(buf);
reserved = buf;
}