コード例 #1
0
        public static byte[] decompress_auto(byte[] input, out CompressType usedType)
        {
            // Sanity checking...
            if (input == null)
            {
                throw new ArgumentNullException(nameof(input));
            }

            byte[] output = null;
            usedType = CompressType.NULL;

            try
            {
                output   = RAWW.decompress(input);
                usedType = CompressType.RAWW;
            }
            catch (InvalidDataException)
            {
                try
                {
                    output   = JDLZ.decompress(input);
                    usedType = CompressType.JDLZ;
                }
                catch (InvalidDataException)
                {
                    // Try more types as added...
                }
            }

            return(output);
        }
コード例 #2
0
        public static byte[] compress_auto(byte[] input, out CompressType usedType, CompressType allowedTypes = CompressType.ALL)
        {
            // Sanity checking...
            if (input == null)
            {
                throw new ArgumentNullException(nameof(input));
            }
            if (allowedTypes == CompressType.NULL)
            {
                throw new ArgumentException("Allowed compression type cannot be NULL!", nameof(allowedTypes));
            }

            Dictionary <CompressType, byte[]> mapping = new Dictionary <CompressType, byte[]>();

            byte[] output = null;
            usedType = CompressType.NULL;

            if ((allowedTypes & CompressType.RAWW) == CompressType.RAWW)
            {
                mapping.Add(CompressType.RAWW, RAWW.compress(input));
            }
            if ((allowedTypes & CompressType.JDLZ) == CompressType.JDLZ)
            {
                mapping.Add(CompressType.JDLZ, JDLZ.compress(input));
            }

            int minLength = int.MaxValue;

            foreach (KeyValuePair <CompressType, byte[]> entry in mapping)
            {
                // NOTE: if the length is EQUAL TO the shortest one, we decide based on the complexity of that type's decompression.
                if ((entry.Value.Length < minLength) || (entry.Value.Length == minLength && entry.Key < usedType))
                {
                    minLength = entry.Value.Length;
                    output    = entry.Value;
                    usedType  = entry.Key;
                }
            }

            return(output);
        }