c-o
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Nitload
@@ -1,161 +0,0 @@
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="BitArray.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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namespace StgSharp.Data
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{
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public static partial class Serializer
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{
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public static void Deserialize(byte[] stream, out BitArray target)
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{
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List<bool> boolStream = new List<bool>(4 * stream.Length);
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int i = 0, count = 0;
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foreach (byte b in stream)
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{
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uint raw = b;
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for (i = 0; i < 4; i++)
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{
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switch (raw & 0b11)
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{
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case (uint)BoolMap.True_0:
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boolStream.Add(true);
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break;
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case (uint)BoolMap.False_0:
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boolStream.Add(false);
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break;
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case (uint)BoolMap.None_0:
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goto end;
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default:
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throw new Exception();
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}
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raw >>= 2;
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count++;
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continue;
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end:
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{
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break;
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}
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}
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}
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while (boolStream.Count > count)
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{
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boolStream.RemoveAt(count);
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}
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target = new BitArray(boolStream.ToArray());
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}
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/// <summary>
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/// Serialize a <see cref="BitArray"/>, useful when writing
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/// a Huffman tree index dictionary to file.
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/// </summary>
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/// <param name="bits"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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public static byte[] Serialize(BitArray bits)
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{
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int size = (bits.Count / 4) + 1;
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List<byte> ret = new List<byte>(size);
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int count = 0, total = 0; byte temp = new byte();
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for (int i = 0; i < bits.Count; i++)
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{
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if (count == 4)
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{
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ret.Add(temp);
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count = 0;
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temp = 0;
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total++;
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}
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switch (count)
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{
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case 0:
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temp |= (byte)(bits[i] ? BoolMap.True_0 : BoolMap.False_0);
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break;
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case 1:
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temp |= (byte)(bits[i] ? BoolMap.True_1 : BoolMap.False_1);
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break;
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case 2:
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temp |= (byte)(bits[i] ? BoolMap.True_2 : BoolMap.False_2);
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break;
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case 3:
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temp |= (byte)(bits[i] ? BoolMap.True_3 : BoolMap.False_3);
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break;
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default:
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throw new Exception();
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}
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count++;
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}
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for (; count < 4; count++)
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{
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switch (count)
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{
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case 1:
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temp |= (byte)BoolMap.None_1;
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break;
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case 2:
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temp |= (byte)BoolMap.None_2;
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break;
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case 3:
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temp |= (byte)BoolMap.None_3;
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break;
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default:
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throw new Exception();
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}
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continue;
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}
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ret.Add(temp);
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return ret.ToArray();
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}
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}
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internal enum BoolMap : byte
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{
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False_0 = 0b00000010,
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True_0 = 0b00000001,
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None_0 = 0b00000011,
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False_1 = 0b00001000,
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True_1 = 0b00000100,
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None_1 = 0b00001100,
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False_2 = 0b00100000,
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True_2 = 0b00010000,
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None_2 = 0b00110000,
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False_3 = 0b10000000,
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True_3 = 0b01000000,
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None_3 = 0b11000000,
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}
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}
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@@ -1,97 +0,0 @@
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// file="Dictionary.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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namespace StgSharp.Data
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{
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/// <summary>
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/// A class contains a sets of methods to serialize several types
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/// </summary>
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public static partial class Serializer
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{
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/**/
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public static void Deserialize(byte[] data, out Dictionary<byte, BitArray> dict)
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{
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dict = new Dictionary<byte, BitArray>();
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int stat = 0; byte key = 0;
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byte[] raw = new byte[0];
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foreach (var b in data)
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{
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switch (stat)
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{
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case 0: //getting key
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if (raw.Length != 0)
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{
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BitArray bits;
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Deserialize(raw, out bits);
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dict.Add(key, bits);
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}
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key = b;
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stat -= 1;
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break;
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case -1: //getting length
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raw = new byte[b];
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stat = b;
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break;
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default:
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raw[raw.Length - stat] = b;
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stat--;
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break;
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}
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}
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}
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/**/
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public static byte[] Serialize(Dictionary<byte, BitArray> table)
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{
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using (var stream = new MemoryStream())
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{
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foreach (var pair in table)
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{
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stream.WriteByte(pair.Key);
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byte[] keyCode = Serialize(pair.Value);
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stream.WriteByte((byte)keyCode.Length);
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stream.Write(keyCode, 0, keyCode.Length);
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}
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return stream.ToArray();
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}
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}
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}
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}
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