using System;
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using System.Collections;
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using System.Collections.Generic;
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#if !SILVERLIGHT
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using System.Data;
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#endif
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using System.Globalization;
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using System.IO;
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using System.Reflection;
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using System.Reflection.Emit;
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using System.Collections.Specialized;
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namespace FastJSON
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{
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public delegate string Serialize(object data);
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public delegate object Deserialize(string data);
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public sealed class JSONParameters
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{
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/// <summary>
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/// Use the optimized fast Dataset Schema format (default = True)
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/// </summary>
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public bool UseOptimizedDatasetSchema = true;
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/// <summary>
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/// Use the fast GUID format (default = True)
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/// </summary>
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public bool UseFastGuid = true;
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/// <summary>
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/// Serialize null values to the output (default = True)
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/// </summary>
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public bool SerializeNullValues = true;
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/// <summary>
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/// Use the UTC date format (default = True)
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/// </summary>
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public bool UseUTCDateTime = true;
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/// <summary>
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/// Show the readonly properties of types in the output (default = False)
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/// </summary>
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public bool ShowReadOnlyProperties = false;
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/// <summary>
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/// Use the $types extension to optimise the output json (default = True)
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/// </summary>
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public bool UsingGlobalTypes = true;
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/// <summary>
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/// Ignore case when processing json and deserializing
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/// </summary>
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[Obsolete("Not needed anymore and will always match")]
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public bool IgnoreCaseOnDeserialize = false;
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/// <summary>
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/// Anonymous types have read only properties
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/// </summary>
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public bool EnableAnonymousTypes = false;
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/// <summary>
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/// Enable fastJSON extensions $types, $type, $map (default = True)
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/// </summary>
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public bool UseExtensions = true;
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/// <summary>
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/// Use escaped unicode i.e. \uXXXX format for non ASCII characters (default = True)
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/// </summary>
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public bool UseEscapedUnicode = false;
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/// <summary>
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/// Output string key dictionaries as "k"/"v" format (default = False)
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/// </summary>
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public bool KVStyleStringDictionary = false;
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/// <summary>
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/// Output Enum values instead of names (default = False)
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/// </summary>
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public bool UseValuesOfEnums = false;
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/// <summary>
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/// Ignore attributes to check for (default : XmlIgnoreAttribute)
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/// </summary>
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public List<Type> IgnoreAttributes = new List<Type> { typeof(System.Xml.Serialization.XmlIgnoreAttribute) };
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/// <summary>
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/// If you have parametric and no default constructor for you classes (default = False)
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///
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/// IMPORTANT NOTE : If True then all initial values within the class will be ignored and will be not set
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/// </summary>
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public bool ParametricConstructorOverride = false;
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/// <summary>
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/// Serialize DateTime milliseconds i.e. yyyy-MM-dd HH:mm:ss.nnn (default = false)
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/// </summary>
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public bool DateTimeMilliseconds = false;
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/// <summary>
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/// Maximum depth for circular references in inline mode (default = 20)
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/// </summary>
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public byte SerializerMaxDepth = 20;
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/// <summary>
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/// Inline circular or already seen objects instead of replacement with $i (default = False)
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/// </summary>
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public bool InlineCircularReferences = false;
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/// <summary>
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/// Save property/field names as lowercase (default = false)
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/// </summary>
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public bool SerializeToLowerCaseNames = false;
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/// <summary>
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/// Serialize property name with underline style
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/// </summary>
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public bool UseApiNamingStyle = false;
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public void FixValues()
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{
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if (UseExtensions == false) // disable conflicting params
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{
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UsingGlobalTypes = false;
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InlineCircularReferences = true;
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}
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if (EnableAnonymousTypes)
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ShowReadOnlyProperties = true;
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}
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}
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public static class JSON
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{
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/// <summary>
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/// Globally set-able parameters for controlling the serializer
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/// </summary>
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public static JSONParameters Parameters = new JSONParameters();
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/// <summary>
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/// Create a formatted json string (beautified) from an object
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/// </summary>
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/// <param name="obj"></param>
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/// <param name="param"></param>
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/// <returns></returns>
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public static string ToNiceJSON(object obj, JSONParameters param)
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{
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string s = ToJSON(obj, param);
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return Beautify(s);
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}
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/// <summary>
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/// Create a json representation for an object
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static string ToJSON(object obj)
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{
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return ToJSON(obj, JSON.Parameters);
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}
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/// <summary>
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/// Create a json representation for an object with parameter override on this call
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/// </summary>
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/// <param name="obj"></param>
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/// <param name="param"></param>
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/// <returns></returns>
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public static string ToJSON(object obj, JSONParameters param)
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{
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param.FixValues();
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Type t = null;
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if (obj == null)
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return "null";
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if (obj.GetType().IsGenericType)
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t = Reflection.Instance.GetGenericTypeDefinition(obj.GetType());
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if (t == typeof(Dictionary<,>) || t == typeof(List<>))
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param.UsingGlobalTypes = false;
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// FEATURE : enable extensions when you can deserialize anon types
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if (param.EnableAnonymousTypes) { param.UseExtensions = false; param.UsingGlobalTypes = false; }
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return new JSONSerializer(param).ConvertToJSON(obj);
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}
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/// <summary>
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/// Parse a json string and generate a Dictionary<string,object> or List<object> structure
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/// </summary>
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/// <param name="json"></param>
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/// <returns></returns>
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public static object Parse(string json)
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{
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return new JsonParser(json).Decode();
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}
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#if net4
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/// <summary>
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/// Create a .net4 dynamic object from the json string
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/// </summary>
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/// <param name="json"></param>
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/// <returns></returns>
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public static dynamic ToDynamic(string json)
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{
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return new DynamicJson(json);
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}
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#endif
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/// <summary>
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/// Create a typed generic object from the json
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="json"></param>
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/// <returns></returns>
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public static T ToObject<T>(string json)
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{
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return new deserializer(Parameters).ToObject<T>(json);
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}
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/// <summary>
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/// Create a typed generic object from the json with parameter override on this call
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="json"></param>
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/// <param name="param"></param>
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/// <returns></returns>
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public static T ToObject<T>(string json, JSONParameters param)
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{
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return new deserializer(param).ToObject<T>(json);
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}
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/// <summary>
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/// Create an object from the json
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/// </summary>
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/// <param name="json"></param>
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/// <returns></returns>
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public static object ToObject(string json)
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{
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return new deserializer(Parameters).ToObject(json, null);
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}
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/// <summary>
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/// Create an object from the json with parameter override on this call
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/// </summary>
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/// <param name="json"></param>
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/// <param name="param"></param>
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/// <returns></returns>
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public static object ToObject(string json, JSONParameters param)
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{
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return new deserializer(param).ToObject(json, null);
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}
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/// <summary>
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/// Create an object of type from the json
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/// </summary>
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/// <param name="json"></param>
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/// <param name="type"></param>
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/// <returns></returns>
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public static object ToObject(string json, Type type)
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{
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return new deserializer(Parameters).ToObject(json, type);
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}
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/// <summary>
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/// Fill a given object with the json represenation
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/// </summary>
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/// <param name="input"></param>
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/// <param name="json"></param>
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/// <returns></returns>
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public static object FillObject(object input, string json)
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{
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Dictionary<string, object> ht = new JsonParser(json).Decode() as Dictionary<string, object>;
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if (ht == null) return null;
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return new deserializer(Parameters).ParseDictionary(ht, null, input.GetType(), input);
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}
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/// <summary>
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/// Deep copy an object i.e. clone to a new object
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static object DeepCopy(object obj)
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{
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return new deserializer(Parameters).ToObject(ToJSON(obj));
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}
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/// <summary>
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///
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static T DeepCopy<T>(T obj)
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{
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return new deserializer(Parameters).ToObject<T>(ToJSON(obj));
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}
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/// <summary>
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/// Create a human readable string from the json
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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public static string Beautify(string input)
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{
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return Formatter.PrettyPrint(input);
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}
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/// <summary>
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/// Register custom type handlers for your own types not natively handled by fastJSON
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/// </summary>
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/// <param name="type"></param>
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/// <param name="serializer"></param>
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/// <param name="deserializer"></param>
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public static void RegisterCustomType(Type type, Serialize serializer, Deserialize deserializer)
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{
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Reflection.Instance.RegisterCustomType(type, serializer, deserializer);
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}
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/// <summary>
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/// Clear the internal reflection cache so you can start from new (you will loose performance)
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/// </summary>
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public static void ClearReflectionCache()
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{
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Reflection.Instance.ClearReflectionCache();
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}
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internal static long CreateLong(out long num, string s, int index, int count)
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{
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num = 0;
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bool neg = false;
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for (int x = 0; x < count; x++, index++)
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{
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char cc = s[index];
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if (cc == '-')
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neg = true;
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else if (cc == '+')
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neg = false;
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else
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{
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num *= 10;
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num += (int)(cc - '0');
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}
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}
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if (neg) num = -num;
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return num;
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}
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}
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internal class deserializer
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{
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public deserializer(JSONParameters param)
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{
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_params = param;
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}
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private JSONParameters _params;
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private bool _usingglobals = false;
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private Dictionary<object, int> _circobj = new Dictionary<object, int>();
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private Dictionary<int, object> _cirrev = new Dictionary<int, object>();
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public T ToObject<T>(string json)
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{
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Type t = typeof(T);
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var o = ToObject(json, t);
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if (t.IsArray)
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{
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if ((o as ICollection).Count == 0) // edge case for "[]" -> T[]
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{
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Type tt = t.GetElementType();
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object oo = Array.CreateInstance(tt, 0);
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return (T)oo;
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}
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else
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return (T)o;
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}
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else
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return (T)o;
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}
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public object ToObject(string json)
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{
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return ToObject(json, null);
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}
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public object ToObject(string json, Type type)
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{
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//_params = Parameters;
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_params.FixValues();
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Type t = null;
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if (type != null && type.IsGenericType)
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t = Reflection.Instance.GetGenericTypeDefinition(type);
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if (t == typeof(Dictionary<,>) || t == typeof(List<>))
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_params.UsingGlobalTypes = false;
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_usingglobals = _params.UsingGlobalTypes;
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object o = new JsonParser(json).Decode();
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if (o == null)
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return null;
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#if !SILVERLIGHT
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if (type != null && type == typeof(DataSet))
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return CreateDataset(o as Dictionary<string, object>, null);
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else if (type != null && type == typeof(DataTable))
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return CreateDataTable(o as Dictionary<string, object>, null);
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#endif
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if (o is IDictionary)
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{
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if (type != null && t == typeof(Dictionary<,>)) // deserialize a dictionary
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return RootDictionary(o, type);
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else // deserialize an object
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return ParseDictionary(o as Dictionary<string, object>, null, type, null);
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}
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else if (o is List<object>)
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{
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if (type != null && t == typeof(Dictionary<,>)) // kv format
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return RootDictionary(o, type);
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else if (type != null && t == typeof(List<>)) // deserialize to generic list
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return RootList(o, type);
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else if (type == typeof(Hashtable))
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return RootHashTable((List<object>)o);
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else
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return (o as List<object>).ToArray();
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}
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else if (type != null && o.GetType() != type)
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return ChangeType(o, type);
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return o;
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}
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#region [ p r i v a t e m e t h o d s ]
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private object RootHashTable(List<object> o)
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{
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Hashtable h = new Hashtable();
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foreach (Dictionary<string, object> values in o)
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{
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object key = values["k"];
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object val = values["v"];
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if (key is Dictionary<string, object>)
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key = ParseDictionary((Dictionary<string, object>)key, null, typeof(object), null);
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if (val is Dictionary<string, object>)
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val = ParseDictionary((Dictionary<string, object>)val, null, typeof(object), null);
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h.Add(key, val);
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}
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return h;
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}
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private object ChangeType(object value, Type conversionType)
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{
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if (conversionType == typeof(int))
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return (int)((long)value);
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else if (conversionType == typeof(long))
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return (long)value;
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else if (conversionType == typeof(string))
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return (string)value;
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else if (conversionType.IsEnum)
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return CreateEnum(conversionType, value);
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else if (conversionType == typeof(DateTime))
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return CreateDateTime((string)value);
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else if (Reflection.Instance.IsTypeRegistered(conversionType))
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return Reflection.Instance.CreateCustom((string)value, conversionType);
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// 8-30-2014 - James Brooks - Added code for nullable types.
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if (IsNullable(conversionType))
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{
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if (value == null)
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{
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return value;
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}
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conversionType = UnderlyingTypeOf(conversionType);
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}
|
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// 8-30-2014 - James Brooks - Nullable Guid is a special case so it was moved after the "IsNullable" check.
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if (conversionType == typeof(Guid))
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return CreateGuid((string)value);
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return Convert.ChangeType(value, conversionType, CultureInfo.InvariantCulture);
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}
|
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private bool IsNullable(Type t)
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{
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if (!t.IsGenericType) return false;
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Type g = t.GetGenericTypeDefinition();
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return (g.Equals(typeof(Nullable<>)));
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}
|
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private Type UnderlyingTypeOf(Type t)
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{
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return t.GetGenericArguments()[0];
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}
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private object RootList(object parse, Type type)
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{
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Type[] gtypes = Reflection.Instance.GetGenericArguments(type);
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IList o = (IList)Reflection.Instance.FastCreateInstance(type);
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foreach (var k in (IList)parse)
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{
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_usingglobals = false;
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object v = k;
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if (k is Dictionary<string, object>)
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v = ParseDictionary(k as Dictionary<string, object>, null, gtypes[0], null);
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else
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v = ChangeType(k, gtypes[0]);
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o.Add(v);
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}
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return o;
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}
|
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private object RootDictionary(object parse, Type type)
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{
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Type[] gtypes = Reflection.Instance.GetGenericArguments(type);
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Type t1 = null;
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Type t2 = null;
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if (gtypes != null)
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{
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t1 = gtypes[0];
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t2 = gtypes[1];
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}
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if (parse is Dictionary<string, object>)
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{
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IDictionary o = (IDictionary)Reflection.Instance.FastCreateInstance(type);
|
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foreach (var kv in (Dictionary<string, object>)parse)
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{
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object v;
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object k = ChangeType(kv.Key, t1);
|
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if (kv.Value is Dictionary<string, object>)
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v = ParseDictionary(kv.Value as Dictionary<string, object>, null, t2, null);
|
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else if (t2.IsArray)
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v = CreateArray((List<object>)kv.Value, t2, t2.GetElementType(), null);
|
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else if (kv.Value is IList)
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v = CreateGenericList((List<object>)kv.Value, t2, t1, null);
|
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else
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v = ChangeType(kv.Value, t2);
|
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o.Add(k, v);
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}
|
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return o;
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}
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if (parse is List<object>)
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return CreateDictionary(parse as List<object>, type, gtypes, null);
|
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return null;
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}
|
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internal object ParseDictionary(Dictionary<string, object> d, Dictionary<string, object> globaltypes, Type type, object input)
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{
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object tn = "";
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if (type == typeof(NameValueCollection))
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return CreateNV(d);
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if (type == typeof(StringDictionary))
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return CreateSD(d);
|
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if (d.TryGetValue("$i", out tn))
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{
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object v = null;
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_cirrev.TryGetValue((int)(long)tn, out v);
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return v;
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}
|
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if (d.TryGetValue("$types", out tn))
|
{
|
_usingglobals = true;
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globaltypes = new Dictionary<string, object>();
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foreach (var kv in (Dictionary<string, object>)tn)
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{
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globaltypes.Add((string)kv.Value, kv.Key);
|
}
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}
|
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bool found = d.TryGetValue("$type", out tn);
|
#if !SILVERLIGHT
|
if (found == false && type == typeof(System.Object))
|
{
|
return d; // CreateDataset(d, globaltypes);
|
}
|
#endif
|
if (found)
|
{
|
if (_usingglobals)
|
{
|
object tname = "";
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if (globaltypes != null && globaltypes.TryGetValue((string)tn, out tname))
|
tn = tname;
|
}
|
type = Reflection.Instance.GetTypeFromCache((string)tn);
|
}
|
|
if (type == null)
|
throw new Exception("Cannot determine type");
|
|
string typename = type.FullName;
|
object o = input;
|
if (o == null)
|
{
|
if (_params.ParametricConstructorOverride)
|
o = System.Runtime.Serialization.FormatterServices.GetUninitializedObject(type);
|
else
|
o = Reflection.Instance.FastCreateInstance(type);
|
}
|
int circount = 0;
|
if (_circobj.TryGetValue(o, out circount) == false)
|
{
|
circount = _circobj.Count + 1;
|
_circobj.Add(o, circount);
|
_cirrev.Add(circount, o);
|
}
|
|
Dictionary<string, myPropInfo> props = Reflection.Instance.Getproperties(type, typename, Reflection.Instance.IsTypeRegistered(type));
|
foreach (var kv in d)
|
{
|
var n = kv.Key;
|
var v = kv.Value;
|
string name = n.ToLower();
|
if (name == "$map")
|
{
|
ProcessMap(o, props, (Dictionary<string, object>)d[name]);
|
continue;
|
}
|
myPropInfo pi;
|
if (props.TryGetValue(name, out pi) == false)
|
continue;
|
if (pi.CanWrite)
|
{
|
//object v = d[n];
|
|
if (v != null)
|
{
|
object oset = null;
|
|
switch (pi.Type)
|
{
|
case myPropInfoType.Int: oset = (int)((long)v); break;
|
case myPropInfoType.Long: oset = (long)v; break;
|
case myPropInfoType.String: oset = (string)v; break;
|
case myPropInfoType.Bool: oset = (bool)v; break;
|
case myPropInfoType.DateTime: oset = CreateDateTime((string)v); break;
|
case myPropInfoType.Enum: oset = CreateEnum(pi.pt, v); break;
|
case myPropInfoType.Guid: oset = CreateGuid((string)v); break;
|
|
case myPropInfoType.Array:
|
if (!pi.IsValueType)
|
oset = CreateArray((List<object>)v, pi.pt, pi.bt, globaltypes);
|
// what about 'else'?
|
break;
|
case myPropInfoType.ByteArray: oset = Convert.FromBase64String((string)v); break;
|
#if !SILVERLIGHT
|
case myPropInfoType.DataSet: oset = CreateDataset((Dictionary<string, object>)v, globaltypes); break;
|
case myPropInfoType.DataTable: oset = CreateDataTable((Dictionary<string, object>)v, globaltypes); break;
|
case myPropInfoType.Hashtable: // same case as Dictionary
|
#endif
|
case myPropInfoType.Dictionary: oset = CreateDictionary((List<object>)v, pi.pt, pi.GenericTypes, globaltypes); break;
|
case myPropInfoType.StringKeyDictionary: oset = CreateStringKeyDictionary((Dictionary<string, object>)v, pi.pt, pi.GenericTypes, globaltypes); break;
|
case myPropInfoType.NameValue: oset = CreateNV((Dictionary<string, object>)v); break;
|
case myPropInfoType.StringDictionary: oset = CreateSD((Dictionary<string, object>)v); break;
|
case myPropInfoType.Custom: oset = Reflection.Instance.CreateCustom((string)v, pi.pt); break;
|
default:
|
{
|
if (pi.IsGenericType && pi.IsValueType == false && v is List<object>)
|
oset = CreateGenericList((List<object>)v, pi.pt, pi.bt, globaltypes);
|
|
else if ((pi.IsClass || pi.IsStruct) && v is Dictionary<string, object>)
|
oset = ParseDictionary((Dictionary<string, object>)v, globaltypes, pi.pt, pi.getter(o));
|
|
else if (v is List<object>)
|
oset = CreateArray((List<object>)v, pi.pt, typeof(object), globaltypes);
|
|
else if (pi.IsValueType)
|
oset = ChangeType(v, pi.changeType);
|
|
else
|
oset = v;
|
}
|
break;
|
}
|
|
o = pi.setter(o, oset);
|
}
|
}
|
}
|
return o;
|
}
|
|
private StringDictionary CreateSD(Dictionary<string, object> d)
|
{
|
StringDictionary nv = new StringDictionary();
|
|
foreach (var o in d)
|
nv.Add(o.Key, (string)o.Value);
|
|
return nv;
|
}
|
|
private NameValueCollection CreateNV(Dictionary<string, object> d)
|
{
|
NameValueCollection nv = new NameValueCollection();
|
|
foreach (var o in d)
|
nv.Add(o.Key, (string)o.Value);
|
|
return nv;
|
}
|
|
private void ProcessMap(object obj, Dictionary<string, myPropInfo> props, Dictionary<string, object> dic)
|
{
|
foreach (KeyValuePair<string, object> kv in dic)
|
{
|
myPropInfo p = props[kv.Key];
|
object o = p.getter(obj);
|
Type t = Type.GetType((string)kv.Value);
|
if (t == typeof(Guid))
|
p.setter(obj, CreateGuid((string)o));
|
}
|
}
|
|
private int CreateInteger(string s, int index, int count)
|
{
|
int num = 0;
|
bool neg = false;
|
for (int x = 0; x < count; x++, index++)
|
{
|
char cc = s[index];
|
|
if (cc == '-')
|
neg = true;
|
else if (cc == '+')
|
neg = false;
|
else
|
{
|
num *= 10;
|
num += (int)(cc - '0');
|
}
|
}
|
if (neg) num = -num;
|
|
return num;
|
}
|
|
private object CreateEnum(Type pt, object v)
|
{
|
// TODO : optimize create enum
|
#if !SILVERLIGHT
|
return Enum.Parse(pt, v.ToString());
|
#else
|
return Enum.Parse(pt, v, true);
|
#endif
|
}
|
|
private Guid CreateGuid(string s)
|
{
|
if (s.Length > 30)
|
return new Guid(s);
|
else
|
return new Guid(Convert.FromBase64String(s));
|
}
|
|
private DateTime CreateDateTime(string value)
|
{
|
bool utc = false;
|
// 0123456789012345678 9012 9/3
|
// datetime format = yyyy-MM-ddTHH:mm:ss .nnn Z
|
int year;
|
int month;
|
int day;
|
int hour;
|
int min;
|
int sec;
|
int ms = 0;
|
|
year = CreateInteger(value, 0, 4);
|
month = CreateInteger(value, 5, 2);
|
day = CreateInteger(value, 8, 2);
|
hour = CreateInteger(value, 11, 2);
|
min = CreateInteger(value, 14, 2);
|
sec = CreateInteger(value, 17, 2);
|
if (value.Length > 21 && value[19] == '.')
|
ms = CreateInteger(value, 20, 3);
|
|
if (value[value.Length - 1] == 'Z')
|
utc = true;
|
|
if (_params.UseUTCDateTime == false && utc == false)
|
return new DateTime(year, month, day, hour, min, sec, ms);
|
else
|
return new DateTime(year, month, day, hour, min, sec, ms, DateTimeKind.Utc).ToLocalTime();
|
}
|
|
private object CreateArray(List<object> data, Type pt, Type bt, Dictionary<string, object> globalTypes)
|
{
|
Array col = Array.CreateInstance(bt, data.Count);
|
// create an array of objects
|
for (int i = 0; i < data.Count; i++)
|
{
|
object ob = data[i];
|
if (ob == null)
|
{
|
continue;
|
}
|
if (ob is IDictionary)
|
col.SetValue(ParseDictionary((Dictionary<string, object>)ob, globalTypes, bt, null), i);
|
else if (ob is ICollection)
|
col.SetValue(CreateArray((List<object>)ob, bt, bt.GetElementType(), globalTypes), i);
|
else
|
col.SetValue(ChangeType(ob, bt), i);
|
}
|
|
return col;
|
}
|
|
|
private object CreateGenericList(List<object> data, Type pt, Type bt, Dictionary<string, object> globalTypes)
|
{
|
IList col = (IList)Reflection.Instance.FastCreateInstance(pt);
|
// create an array of objects
|
foreach (object ob in data)
|
{
|
|
if (ob is IDictionary)
|
col.Add(ParseDictionary((Dictionary<string, object>)ob, globalTypes, bt, null));
|
|
else if (ob is List<object>)
|
{
|
if (bt.IsGenericType)
|
col.Add((List<object>)ob);//).ToArray());
|
else
|
col.Add(((List<object>)ob).ToArray());
|
}
|
else
|
col.Add(ChangeType(ob, bt));
|
}
|
return col;
|
}
|
|
private object CreateStringKeyDictionary(Dictionary<string, object> reader, Type pt, Type[] types, Dictionary<string, object> globalTypes)
|
{
|
var col = (IDictionary)Reflection.Instance.FastCreateInstance(pt);
|
Type t1 = null;
|
Type t2 = null;
|
if (types != null)
|
{
|
t1 = types[0];
|
t2 = types[1];
|
}
|
|
foreach (KeyValuePair<string, object> values in reader)
|
{
|
var key = values.Key;
|
object val = null;
|
|
if (values.Value is Dictionary<string, object>)
|
val = ParseDictionary((Dictionary<string, object>)values.Value, globalTypes, t2, null);
|
|
else if (types != null && t2.IsArray)
|
{
|
if (values.Value is Array)
|
val = values.Value;
|
else
|
val = CreateArray((List<object>)values.Value, t2, t2.GetElementType(), globalTypes);
|
}
|
else if (values.Value is IList)
|
val = CreateGenericList((List<object>)values.Value, t2, t1, globalTypes);
|
|
else
|
val = ChangeType(values.Value, t2);
|
|
col.Add(key, val);
|
}
|
|
return col;
|
}
|
|
private object CreateDictionary(List<object> reader, Type pt, Type[] types, Dictionary<string, object> globalTypes)
|
{
|
IDictionary col = (IDictionary)Reflection.Instance.FastCreateInstance(pt);
|
Type t1 = null;
|
Type t2 = null;
|
if (types != null)
|
{
|
t1 = types[0];
|
t2 = types[1];
|
}
|
|
foreach (Dictionary<string, object> values in reader)
|
{
|
object key = values["k"];
|
object val = values["v"];
|
|
if (key is Dictionary<string, object>)
|
key = ParseDictionary((Dictionary<string, object>)key, globalTypes, t1, null);
|
else
|
key = ChangeType(key, t1);
|
|
if (val is Dictionary<string, object>)
|
val = ParseDictionary((Dictionary<string, object>)val, globalTypes, t2, null);
|
else
|
val = ChangeType(val, t2);
|
|
col.Add(key, val);
|
}
|
|
return col;
|
}
|
|
#if !SILVERLIGHT
|
private DataSet CreateDataset(Dictionary<string, object> reader, Dictionary<string, object> globalTypes)
|
{
|
DataSet ds = new DataSet();
|
ds.EnforceConstraints = false;
|
ds.BeginInit();
|
|
// read dataset schema here
|
var schema = reader["$schema"];
|
|
if (schema is string)
|
{
|
TextReader tr = new StringReader((string)schema);
|
ds.ReadXmlSchema(tr);
|
}
|
else
|
{
|
DatasetSchema ms = (DatasetSchema)ParseDictionary((Dictionary<string, object>)schema, globalTypes, typeof(DatasetSchema), null);
|
ds.DataSetName = ms.Name;
|
for (int i = 0; i < ms.Info.Count; i += 3)
|
{
|
if (ds.Tables.Contains(ms.Info[i]) == false)
|
ds.Tables.Add(ms.Info[i]);
|
ds.Tables[ms.Info[i]].Columns.Add(ms.Info[i + 1], Type.GetType(ms.Info[i + 2]));
|
}
|
}
|
|
foreach (KeyValuePair<string, object> pair in reader)
|
{
|
if (pair.Key == "$type" || pair.Key == "$schema") continue;
|
|
List<object> rows = (List<object>)pair.Value;
|
if (rows == null) continue;
|
|
DataTable dt = ds.Tables[pair.Key];
|
ReadDataTable(rows, dt);
|
}
|
|
ds.EndInit();
|
|
return ds;
|
}
|
|
private void ReadDataTable(List<object> rows, DataTable dt)
|
{
|
dt.BeginInit();
|
dt.BeginLoadData();
|
List<int> guidcols = new List<int>();
|
List<int> datecol = new List<int>();
|
|
foreach (DataColumn c in dt.Columns)
|
{
|
if (c.DataType == typeof(Guid) || c.DataType == typeof(Guid?))
|
guidcols.Add(c.Ordinal);
|
if (_params.UseUTCDateTime && (c.DataType == typeof(DateTime) || c.DataType == typeof(DateTime?)))
|
datecol.Add(c.Ordinal);
|
}
|
|
foreach (List<object> row in rows)
|
{
|
object[] v = new object[row.Count];
|
row.CopyTo(v, 0);
|
foreach (int i in guidcols)
|
{
|
string s = (string)v[i];
|
if (s != null && s.Length < 36)
|
v[i] = new Guid(Convert.FromBase64String(s));
|
}
|
if (_params.UseUTCDateTime)
|
{
|
foreach (int i in datecol)
|
{
|
string s = (string)v[i];
|
if (s != null)
|
v[i] = CreateDateTime(s);
|
}
|
}
|
dt.Rows.Add(v);
|
}
|
|
dt.EndLoadData();
|
dt.EndInit();
|
}
|
|
DataTable CreateDataTable(Dictionary<string, object> reader, Dictionary<string, object> globalTypes)
|
{
|
var dt = new DataTable();
|
|
// read dataset schema here
|
var schema = reader["$schema"];
|
|
if (schema is string)
|
{
|
TextReader tr = new StringReader((string)schema);
|
dt.ReadXmlSchema(tr);
|
}
|
else
|
{
|
var ms = (DatasetSchema)this.ParseDictionary((Dictionary<string, object>)schema, globalTypes, typeof(DatasetSchema), null);
|
dt.TableName = ms.Info[0];
|
for (int i = 0; i < ms.Info.Count; i += 3)
|
{
|
dt.Columns.Add(ms.Info[i + 1], Type.GetType(ms.Info[i + 2]));
|
}
|
}
|
|
foreach (var pair in reader)
|
{
|
if (pair.Key == "$type" || pair.Key == "$schema")
|
continue;
|
|
var rows = (List<object>)pair.Value;
|
if (rows == null)
|
continue;
|
|
if (!dt.TableName.Equals(pair.Key, StringComparison.InvariantCultureIgnoreCase))
|
continue;
|
|
ReadDataTable(rows, dt);
|
}
|
|
return dt;
|
}
|
#endif
|
#endregion
|
}
|
|
}
|
