302 lines
10 KiB
C#
302 lines
10 KiB
C#
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//#define USE_SharpZipLib
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/* * * * *
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* This is an extension of the SimpleJSON framework to provide methods to
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* serialize a JSON object tree into a compact binary format. Optionally the
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* binary stream can be compressed with the SharpZipLib when using the define
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* "USE_SharpZipLib"
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*
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* Those methods where originally part of the framework but since it's rarely
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* used I've extracted this part into this seperate module file.
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*
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* You can use the define "SimpleJSON_ExcludeBinary" to selectively disable
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* this extension without the need to remove the file from the project.
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*
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* If you want to use compression when saving to file / stream / B64 you have to include
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* SharpZipLib ( http://www.icsharpcode.net/opensource/sharpziplib/ ) in your project and
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* define "USE_SharpZipLib" at the top of the file
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*
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2012-2017 Markus Göbel (Bunny83)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* * * * */
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using System;
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namespace SimpleJSON
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{
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#if !SimpleJSON_ExcludeBinary
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public abstract partial class JSONNode
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{
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public abstract void SerializeBinary(System.IO.BinaryWriter aWriter);
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public void SaveToBinaryStream(System.IO.Stream aData)
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{
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var W = new System.IO.BinaryWriter(aData);
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SerializeBinary(W);
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}
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#if USE_SharpZipLib
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public void SaveToCompressedStream(System.IO.Stream aData)
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{
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using (var gzipOut = new ICSharpCode.SharpZipLib.BZip2.BZip2OutputStream(aData))
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{
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gzipOut.IsStreamOwner = false;
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SaveToBinaryStream(gzipOut);
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gzipOut.Close();
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}
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}
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public void SaveToCompressedFile(string aFileName)
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{
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System.IO.Directory.CreateDirectory((new System.IO.FileInfo(aFileName)).Directory.FullName);
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using(var F = System.IO.File.OpenWrite(aFileName))
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{
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SaveToCompressedStream(F);
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}
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}
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public string SaveToCompressedBase64()
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{
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using (var stream = new System.IO.MemoryStream())
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{
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SaveToCompressedStream(stream);
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stream.Position = 0;
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return System.Convert.ToBase64String(stream.ToArray());
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}
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}
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#else
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public void SaveToCompressedStream(System.IO.Stream aData)
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{
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throw new Exception("Can't use compressed functions. You need include the SharpZipLib and uncomment the define at the top of SimpleJSON");
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}
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public void SaveToCompressedFile(string aFileName)
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{
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throw new Exception("Can't use compressed functions. You need include the SharpZipLib and uncomment the define at the top of SimpleJSON");
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}
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public string SaveToCompressedBase64()
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{
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throw new Exception("Can't use compressed functions. You need include the SharpZipLib and uncomment the define at the top of SimpleJSON");
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}
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#endif
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public void SaveToBinaryFile(string aFileName)
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{
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System.IO.Directory.CreateDirectory((new System.IO.FileInfo(aFileName)).Directory.FullName);
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using (var F = System.IO.File.OpenWrite(aFileName))
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{
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SaveToBinaryStream(F);
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}
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}
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public string SaveToBinaryBase64()
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{
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using (var stream = new System.IO.MemoryStream())
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{
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SaveToBinaryStream(stream);
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stream.Position = 0;
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return System.Convert.ToBase64String(stream.ToArray());
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}
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}
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public static JSONNode DeserializeBinary(System.IO.BinaryReader aReader)
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{
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JSONNodeType type = (JSONNodeType)aReader.ReadByte();
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switch (type)
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{
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case JSONNodeType.Array:
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{
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int count = aReader.ReadInt32();
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JSONArray tmp = new JSONArray();
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for (int i = 0; i < count; i++)
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tmp.Add(DeserializeBinary(aReader));
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return tmp;
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}
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case JSONNodeType.Object:
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{
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int count = aReader.ReadInt32();
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JSONObject tmp = new JSONObject();
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for (int i = 0; i < count; i++)
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{
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string key = aReader.ReadString();
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var val = DeserializeBinary(aReader);
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tmp.Add(key, val);
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}
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return tmp;
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}
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case JSONNodeType.String:
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{
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return new JSONString(aReader.ReadString());
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}
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case JSONNodeType.Number:
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{
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return new JSONNumber(aReader.ReadDouble());
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}
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case JSONNodeType.Boolean:
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{
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return new JSONBool(aReader.ReadBoolean());
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}
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case JSONNodeType.NullValue:
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{
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return JSONNull.CreateOrGet();
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}
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default:
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{
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throw new Exception("Error deserializing JSON. Unknown tag: " + type);
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}
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}
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}
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#if USE_SharpZipLib
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public static JSONNode LoadFromCompressedStream(System.IO.Stream aData)
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{
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var zin = new ICSharpCode.SharpZipLib.BZip2.BZip2InputStream(aData);
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return LoadFromBinaryStream(zin);
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}
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public static JSONNode LoadFromCompressedFile(string aFileName)
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{
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using(var F = System.IO.File.OpenRead(aFileName))
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{
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return LoadFromCompressedStream(F);
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}
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}
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public static JSONNode LoadFromCompressedBase64(string aBase64)
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{
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var tmp = System.Convert.FromBase64String(aBase64);
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var stream = new System.IO.MemoryStream(tmp);
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stream.Position = 0;
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return LoadFromCompressedStream(stream);
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}
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#else
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public static JSONNode LoadFromCompressedFile(string aFileName)
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{
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throw new Exception("Can't use compressed functions. You need include the SharpZipLib and uncomment the define at the top of SimpleJSON");
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}
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public static JSONNode LoadFromCompressedStream(System.IO.Stream aData)
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{
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throw new Exception("Can't use compressed functions. You need include the SharpZipLib and uncomment the define at the top of SimpleJSON");
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}
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public static JSONNode LoadFromCompressedBase64(string aBase64)
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{
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throw new Exception("Can't use compressed functions. You need include the SharpZipLib and uncomment the define at the top of SimpleJSON");
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}
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#endif
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public static JSONNode LoadFromBinaryStream(System.IO.Stream aData)
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{
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using (var R = new System.IO.BinaryReader(aData))
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{
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return DeserializeBinary(R);
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}
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}
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public static JSONNode LoadFromBinaryFile(string aFileName)
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{
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using (var F = System.IO.File.OpenRead(aFileName))
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{
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return LoadFromBinaryStream(F);
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}
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}
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public static JSONNode LoadFromBinaryBase64(string aBase64)
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{
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var tmp = System.Convert.FromBase64String(aBase64);
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var stream = new System.IO.MemoryStream(tmp);
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stream.Position = 0;
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return LoadFromBinaryStream(stream);
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}
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}
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public partial class JSONArray : JSONNode
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{
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public override void SerializeBinary(System.IO.BinaryWriter aWriter)
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{
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aWriter.Write((byte)JSONNodeType.Array);
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aWriter.Write(m_List.Count);
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for (int i = 0; i < m_List.Count; i++)
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{
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m_List[i].SerializeBinary(aWriter);
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}
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}
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}
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public partial class JSONObject : JSONNode
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{
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public override void SerializeBinary(System.IO.BinaryWriter aWriter)
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{
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aWriter.Write((byte)JSONNodeType.Object);
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aWriter.Write(m_Dict.Count);
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foreach (string K in m_Dict.Keys)
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{
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aWriter.Write(K);
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m_Dict[K].SerializeBinary(aWriter);
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}
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}
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}
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public partial class JSONString : JSONNode
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{
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public override void SerializeBinary(System.IO.BinaryWriter aWriter)
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{
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aWriter.Write((byte)JSONNodeType.String);
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aWriter.Write(m_Data);
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}
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}
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public partial class JSONNumber : JSONNode
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{
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public override void SerializeBinary(System.IO.BinaryWriter aWriter)
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{
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aWriter.Write((byte)JSONNodeType.Number);
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aWriter.Write(m_Data);
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}
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}
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public partial class JSONBool : JSONNode
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{
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public override void SerializeBinary(System.IO.BinaryWriter aWriter)
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{
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aWriter.Write((byte)JSONNodeType.Boolean);
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aWriter.Write(m_Data);
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}
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}
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public partial class JSONNull : JSONNode
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{
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public override void SerializeBinary(System.IO.BinaryWriter aWriter)
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{
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aWriter.Write((byte)JSONNodeType.NullValue);
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}
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}
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internal partial class JSONLazyCreator : JSONNode
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{
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public override void SerializeBinary(System.IO.BinaryWriter aWriter)
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{
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}
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}
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#endif
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}
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