/**
* @throws IllegalArgumentException if variable-length value does not terminate after 5 bytes have
* been read
* @throws IOException if {@link DataInput} throws {@link IOException}
* @see #readUnsignedVarLong(DataInput)
*/
public static int readUnsignedVarInt(DataInput in) throws IOException {
int value = 0;
int i = 0;
int b;
while (((b = in.readByte()) & 0x80) != 0) {
value |= (b & 0x7F) << i;
i += 7;
Assert.isTrue(i <= 35, "Variable length quantity is too long");
}
return value | (b << i);
}
/**
* @param in to read bytes from
* @return decode value
* @throws IOException if {@link DataInput} throws {@link IOException}
* @throws IllegalArgumentException if variable-length value does not terminate after 9 bytes have
* been read
* @see #writeUnsignedVarLong(long, DataOutput)
*/
public static long readUnsignedVarLong(DataInput in) throws IOException {
long value = 0L;
int i = 0;
long b;
while (((b = in.readByte()) & 0x80L) != 0) {
value |= (b & 0x7F) << i;
i += 7;
Assert.isTrue(i <= 63, "Variable length quantity is too long");
}
return value | (b << i);
}