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@@ -0,0 +1,1045 @@
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+#region Header
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+
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+/**
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+ * JsonMapper.cs
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+ * JSON to .Net object and object to JSON conversions.
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+ *
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+ * The authors disclaim copyright to this source code. For more details, see
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+ * the COPYING file included with this distribution.
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+ **/
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+
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+#endregion
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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.Globalization;
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+using System.IO;
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+using System.Reflection;
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+using System.Runtime.Serialization;
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+using LitJson.Extensions;
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+
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+namespace LitJson
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+{
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+ internal struct PropertyMetadata
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+ {
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+ public MemberInfo Info;
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+ public bool IsField;
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+ public Type Type;
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+ }
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+
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+ internal struct ArrayMetadata
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+ {
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+ private Type element_type;
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+ private bool is_array;
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+ private bool is_list;
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+
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+ public Type ElementType
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+ {
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+ get
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+ {
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+ if (element_type == null)
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+ return typeof (JsonData);
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+
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+ return element_type;
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+ }
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+
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+ set
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+ {
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+ element_type = value;
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+ }
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+ }
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+
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+ public bool IsArray
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+ {
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+ get
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+ {
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+ return is_array;
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+ }
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+ set
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+ {
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+ is_array = value;
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+ }
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+ }
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+
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+ public bool IsList
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+ {
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+ get
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+ {
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+ return is_list;
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+ }
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+ set
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+ {
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+ is_list = value;
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+ }
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+ }
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+ }
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+
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+ internal struct ObjectMetadata
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+ {
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+ private Type element_type;
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+ private bool is_dictionary;
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+
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+ private IDictionary<string, PropertyMetadata> properties;
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+
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+ public Type ElementType
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+ {
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+ get
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+ {
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+ if (element_type == null)
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+ return typeof (JsonData);
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+
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+ return element_type;
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+ }
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+
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+ set
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+ {
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+ element_type = value;
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+ }
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+ }
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+
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+ public bool IsDictionary
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+ {
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+ get
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+ {
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+ return is_dictionary;
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+ }
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+ set
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+ {
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+ is_dictionary = value;
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+ }
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+ }
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+
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+ public IDictionary<string, PropertyMetadata> Properties
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+ {
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+ get
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+ {
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+ return properties;
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+ }
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+ set
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+ {
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+ properties = value;
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+ }
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+ }
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+ }
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+
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+ internal delegate void ExporterFunc(object obj, JsonWriter writer);
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+
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+ public delegate void ExporterFunc<T>(T obj, JsonWriter writer);
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+
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+ internal delegate object ImporterFunc(object input);
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+
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+ public delegate TValue ImporterFunc<TJson, TValue>(TJson input);
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+
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+ public delegate IJsonWrapper WrapperFactory();
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+
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+ public class JsonMapper
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+ {
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+ #region Fields
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+
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+ private static readonly int max_nesting_depth;
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+
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+ private static readonly IFormatProvider datetime_format;
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+
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+ private static readonly IDictionary<Type, ExporterFunc> base_exporters_table;
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+ private static readonly IDictionary<Type, ExporterFunc> custom_exporters_table;
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+
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+ private static readonly IDictionary<Type,
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+ IDictionary<Type, ImporterFunc>> base_importers_table;
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+
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+ private static readonly IDictionary<Type,
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+ IDictionary<Type, ImporterFunc>> custom_importers_table;
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+
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+ private static readonly IDictionary<Type, ArrayMetadata> array_metadata;
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+ private static readonly object array_metadata_lock = new Object();
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+
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+ private static readonly IDictionary<Type,
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+ IDictionary<Type, MethodInfo>> conv_ops;
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+
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+ private static readonly object conv_ops_lock = new Object();
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+
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+ private static readonly IDictionary<Type, ObjectMetadata> object_metadata;
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+ private static readonly object object_metadata_lock = new Object();
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+
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+ private static readonly IDictionary<Type,
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+ IList<PropertyMetadata>> type_properties;
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+
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+ private static readonly object type_properties_lock = new Object();
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+
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+ private static readonly JsonWriter static_writer;
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+ private static readonly object static_writer_lock = new Object();
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+
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+ #endregion
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+
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+ #region Constructors
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+
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+ static JsonMapper()
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+ {
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+ max_nesting_depth = 100;
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+
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+ array_metadata = new Dictionary<Type, ArrayMetadata>();
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+ conv_ops = new Dictionary<Type, IDictionary<Type, MethodInfo>>();
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+ object_metadata = new Dictionary<Type, ObjectMetadata>();
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+ type_properties = new Dictionary<Type,
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+ IList<PropertyMetadata>>();
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+
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+ static_writer = new JsonWriter();
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+
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+ datetime_format = DateTimeFormatInfo.InvariantInfo;
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+
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+ base_exporters_table = new Dictionary<Type, ExporterFunc>();
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+ custom_exporters_table = new Dictionary<Type, ExporterFunc>();
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+
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+ base_importers_table = new Dictionary<Type,
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+ IDictionary<Type, ImporterFunc>>();
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+ custom_importers_table = new Dictionary<Type,
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+ IDictionary<Type, ImporterFunc>>();
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+
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+ RegisterBaseExporters();
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+ RegisterBaseImporters();
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+ }
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+
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+ #endregion
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+
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+ #region Private Methods
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+
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+ private static void AddArrayMetadata(Type type)
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+ {
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+ if (array_metadata.ContainsKey(type))
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+ return;
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+
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+ ArrayMetadata data = new ArrayMetadata();
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+
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+ data.IsArray = type.IsArray;
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+
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+ if (type.GetInterface("System.Collections.IList") != null)
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+ data.IsList = true;
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+
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+ foreach (PropertyInfo p_info in type.GetProperties())
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+ {
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+ if (p_info.Name != "Item")
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+ continue;
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+
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+ ParameterInfo[] parameters = p_info.GetIndexParameters();
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+
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+ if (parameters.Length != 1)
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+ continue;
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+
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+ if (parameters[0].ParameterType == typeof (int))
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+ data.ElementType = p_info.PropertyType;
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+ }
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+
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+ lock (array_metadata_lock)
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+ {
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+ try
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+ {
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+ array_metadata.Add(type, data);
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+ }
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+ catch (ArgumentException)
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+ {
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+ return;
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+ }
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+ }
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+ }
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+
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+ private static void AddObjectMetadata(Type type)
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+ {
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+ if (object_metadata.ContainsKey(type))
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+ return;
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+
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+ ObjectMetadata data = new ObjectMetadata();
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+
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+ if (type.GetInterface("System.Collections.IDictionary") != null)
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+ data.IsDictionary = true;
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+
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+ data.Properties = new Dictionary<string, PropertyMetadata>();
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+
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+ foreach (PropertyInfo p_info in type.GetProperties())
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+ {
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+ if (p_info.Name == "Item")
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+ {
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+ ParameterInfo[] parameters = p_info.GetIndexParameters();
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+
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+ if (parameters.Length != 1)
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+ continue;
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+
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+ if (parameters[0].ParameterType == typeof (string))
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+ data.ElementType = p_info.PropertyType;
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+
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+ continue;
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+ }
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+
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+ PropertyMetadata p_data = new PropertyMetadata();
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+ p_data.Info = p_info;
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+ p_data.Type = p_info.PropertyType;
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+
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+ data.Properties.Add(p_info.Name, p_data);
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+ }
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+
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+ foreach (FieldInfo f_info in type.GetFields())
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+ {
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+ PropertyMetadata p_data = new PropertyMetadata();
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+ p_data.Info = f_info;
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+ p_data.IsField = true;
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+ p_data.Type = f_info.FieldType;
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+
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+ data.Properties.Add(f_info.Name, p_data);
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+ }
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+
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+ lock (object_metadata_lock)
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+ {
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+ try
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+ {
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+ object_metadata.Add(type, data);
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+ }
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+ catch (ArgumentException)
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+ {
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+ return;
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+ }
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+ }
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+ }
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+
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+ private static void AddTypeProperties(Type type)
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+ {
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+ if (type_properties.ContainsKey(type))
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+ return;
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+
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+ IList<PropertyMetadata> props = new List<PropertyMetadata>();
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+
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+ foreach (PropertyInfo p_info in type.GetProperties())
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+ {
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+ if (p_info.Name == "Item")
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+ continue;
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+
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+ PropertyMetadata p_data = new PropertyMetadata();
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+ p_data.Info = p_info;
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+ p_data.IsField = false;
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+ props.Add(p_data);
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+ }
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+
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+ foreach (FieldInfo f_info in type.GetFields())
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+ {
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+ PropertyMetadata p_data = new PropertyMetadata();
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+ p_data.Info = f_info;
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+ p_data.IsField = true;
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+
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+ props.Add(p_data);
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+ }
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+
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+ lock (type_properties_lock)
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+ {
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+ try
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+ {
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+ type_properties.Add(type, props);
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+ }
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+ catch (ArgumentException)
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+ {
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+ return;
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+ }
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+ }
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+ }
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+
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+ private static MethodInfo GetConvOp(Type t1, Type t2)
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+ {
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+ lock (conv_ops_lock)
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+ {
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+ if (!conv_ops.ContainsKey(t1))
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+ conv_ops.Add(t1, new Dictionary<Type, MethodInfo>());
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+ }
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+
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+ if (conv_ops[t1].ContainsKey(t2))
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+ return conv_ops[t1][t2];
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+
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+ MethodInfo op = t1.GetMethod("op_Implicit", new Type[] { t2 });
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+
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+ lock (conv_ops_lock)
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+ {
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+ try
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+ {
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+ conv_ops[t1].Add(t2, op);
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+ }
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+ catch (ArgumentException)
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+ {
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+ return conv_ops[t1][t2];
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+ }
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+ }
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+
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+ return op;
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+ }
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+
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+ private static object ReadValue(Type inst_type, JsonReader reader)
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+ {
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+ reader.Read();
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+
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+ if (reader.Token == JsonToken.ArrayEnd)
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+ return null;
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+
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+ Type underlying_type = Nullable.GetUnderlyingType(inst_type);
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+ Type value_type = underlying_type ?? inst_type;
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+
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+ if (reader.Token == JsonToken.Null)
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+ {
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+#if NETSTANDARD1_5
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+ if (inst_type.IsClass() || underlying_type != null) {
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+ return null;
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+ }
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+#else
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+ if (inst_type.IsClass || underlying_type != null)
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+ {
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+ return null;
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+ }
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+#endif
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+
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+ throw new JsonException(String.Format("Can't assign null to an instance of type {0}",
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+ inst_type));
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+ }
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+
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+ if (reader.Token == JsonToken.Double ||
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+ reader.Token == JsonToken.Int ||
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+ reader.Token == JsonToken.Long ||
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+ reader.Token == JsonToken.String ||
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+ reader.Token == JsonToken.Boolean)
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+ {
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+ Type json_type = reader.Value.GetType();
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+
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+ if (value_type.IsAssignableFrom(json_type))
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+ return reader.Value;
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+
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+ // If there's a custom importer that fits, use it
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+ if (custom_importers_table.ContainsKey(json_type) &&
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+ custom_importers_table[json_type].ContainsKey(value_type))
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+ {
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+ ImporterFunc importer =
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+ custom_importers_table[json_type][value_type];
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+
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+ return importer(reader.Value);
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+ }
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+
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+ // Maybe there's a base importer that works
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+ if (base_importers_table.ContainsKey(json_type) &&
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+ base_importers_table[json_type].ContainsKey(value_type))
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+ {
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+ ImporterFunc importer =
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+ base_importers_table[json_type][value_type];
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+
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+ return importer(reader.Value);
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+ }
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+
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+ // Maybe it's an enum
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+#if NETSTANDARD1_5
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+ if (value_type.IsEnum())
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+ return Enum.ToObject (value_type, reader.Value);
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+#else
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+ if (value_type.IsEnum)
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+ return Enum.ToObject(value_type, reader.Value);
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+#endif
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+ // Try using an implicit conversion operator
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+ MethodInfo conv_op = GetConvOp(value_type, json_type);
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+
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+ if (conv_op != null)
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+ return conv_op.Invoke(null,
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+ new object[] { reader.Value });
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+
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+ // No luck
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+ throw new JsonException(String.Format("Can't assign value '{0}' (type {1}) to type {2}",
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+ reader.Value, json_type, inst_type));
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+ }
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+
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+ object instance = null;
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+
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+ if (reader.Token == JsonToken.ArrayStart)
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+ {
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+ AddArrayMetadata(inst_type);
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+ ArrayMetadata t_data = array_metadata[inst_type];
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+
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+ if (!t_data.IsArray && !t_data.IsList)
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+ throw new JsonException(String.Format("Type {0} can't act as an array",
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+ inst_type));
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+
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+ IList list;
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+ Type elem_type;
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+
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+ if (!t_data.IsArray)
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+ {
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+ list = (IList) Activator.CreateInstance(inst_type);
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+ elem_type = t_data.ElementType;
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+ }
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+ else
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+ {
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+ list = new ArrayList();
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+ elem_type = inst_type.GetElementType();
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+ }
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+
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+ while (true)
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+ {
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+ object item = ReadValue(elem_type, reader);
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+ if (item == null && reader.Token == JsonToken.ArrayEnd)
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+ break;
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+
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+ list.Add(item);
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|
+ }
|
|
|
+
|
|
|
+ if (t_data.IsArray)
|
|
|
+ {
|
|
|
+ int n = list.Count;
|
|
|
+ instance = Array.CreateInstance(elem_type, n);
|
|
|
+
|
|
|
+ for (int i = 0; i < n; i++)
|
|
|
+ ((Array) instance).SetValue(list[i], i);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ instance = list;
|
|
|
+ }
|
|
|
+ else if (reader.Token == JsonToken.ObjectStart)
|
|
|
+ {
|
|
|
+ AddObjectMetadata(value_type);
|
|
|
+ ObjectMetadata t_data = object_metadata[value_type];
|
|
|
+
|
|
|
+ instance = Activator.CreateInstance(value_type);
|
|
|
+
|
|
|
+ while (true)
|
|
|
+ {
|
|
|
+ reader.Read();
|
|
|
+
|
|
|
+ if (reader.Token == JsonToken.ObjectEnd)
|
|
|
+ break;
|
|
|
+
|
|
|
+ string property = (string) reader.Value;
|
|
|
+
|
|
|
+ if (t_data.Properties.ContainsKey(property))
|
|
|
+ {
|
|
|
+ PropertyMetadata prop_data =
|
|
|
+ t_data.Properties[property];
|
|
|
+
|
|
|
+ if (prop_data.IsField)
|
|
|
+ {
|
|
|
+ ((FieldInfo) prop_data.Info).SetValue(instance, ReadValue(prop_data.Type, reader));
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ PropertyInfo p_info =
|
|
|
+ (PropertyInfo) prop_data.Info;
|
|
|
+
|
|
|
+ if (p_info.CanWrite)
|
|
|
+ p_info.SetValue(instance,
|
|
|
+ ReadValue(prop_data.Type, reader),
|
|
|
+ null);
|
|
|
+ else
|
|
|
+ ReadValue(prop_data.Type, reader);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ if (!t_data.IsDictionary)
|
|
|
+ {
|
|
|
+ if (!reader.SkipNonMembers)
|
|
|
+ {
|
|
|
+ throw new JsonException(String.Format("The type {0} doesn't have the " +
|
|
|
+ "property '{1}'",
|
|
|
+ inst_type, property));
|
|
|
+ }
|
|
|
+
|
|
|
+ ReadSkip(reader);
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ var dicTypes = instance.GetType().GetGenericArguments();
|
|
|
+ var converter = System.ComponentModel.TypeDescriptor.GetConverter(dicTypes[0]);
|
|
|
+ object key = property;
|
|
|
+ if (converter != null)
|
|
|
+ {
|
|
|
+ key = converter.ConvertFromString(property);
|
|
|
+ t_data.ElementType = dicTypes[1];
|
|
|
+ }
|
|
|
+
|
|
|
+ ((IDictionary) instance).Add(key, ReadValue(t_data.ElementType, reader));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return instance;
|
|
|
+ }
|
|
|
+
|
|
|
+ private static IJsonWrapper ReadValue(WrapperFactory factory,
|
|
|
+ JsonReader reader)
|
|
|
+ {
|
|
|
+ reader.Read();
|
|
|
+
|
|
|
+ if (reader.Token == JsonToken.ArrayEnd ||
|
|
|
+ reader.Token == JsonToken.Null)
|
|
|
+ return null;
|
|
|
+
|
|
|
+ IJsonWrapper instance = factory();
|
|
|
+
|
|
|
+ if (reader.Token == JsonToken.String)
|
|
|
+ {
|
|
|
+ instance.SetString((string) reader.Value);
|
|
|
+ return instance;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (reader.Token == JsonToken.Double)
|
|
|
+ {
|
|
|
+ instance.SetDouble((double) reader.Value);
|
|
|
+ return instance;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (reader.Token == JsonToken.Int)
|
|
|
+ {
|
|
|
+ instance.SetInt((int) reader.Value);
|
|
|
+ return instance;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (reader.Token == JsonToken.Long)
|
|
|
+ {
|
|
|
+ instance.SetLong((long) reader.Value);
|
|
|
+ return instance;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (reader.Token == JsonToken.Boolean)
|
|
|
+ {
|
|
|
+ instance.SetBoolean((bool) reader.Value);
|
|
|
+ return instance;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (reader.Token == JsonToken.ArrayStart)
|
|
|
+ {
|
|
|
+ instance.SetJsonType(JsonType.Array);
|
|
|
+
|
|
|
+ while (true)
|
|
|
+ {
|
|
|
+ IJsonWrapper item = ReadValue(factory, reader);
|
|
|
+ if (item == null && reader.Token == JsonToken.ArrayEnd)
|
|
|
+ break;
|
|
|
+
|
|
|
+ ((IList) instance).Add(item);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else if (reader.Token == JsonToken.ObjectStart)
|
|
|
+ {
|
|
|
+ instance.SetJsonType(JsonType.Object);
|
|
|
+
|
|
|
+ while (true)
|
|
|
+ {
|
|
|
+ reader.Read();
|
|
|
+
|
|
|
+ if (reader.Token == JsonToken.ObjectEnd)
|
|
|
+ break;
|
|
|
+
|
|
|
+ string property = (string) reader.Value;
|
|
|
+
|
|
|
+ ((IDictionary) instance)[property] = ReadValue(factory, reader);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return instance;
|
|
|
+ }
|
|
|
+
|
|
|
+ private static void ReadSkip(JsonReader reader)
|
|
|
+ {
|
|
|
+ ToWrapper(delegate { return new JsonMockWrapper(); }, reader);
|
|
|
+ }
|
|
|
+
|
|
|
+ private static void RegisterBaseExporters()
|
|
|
+ {
|
|
|
+ base_exporters_table[typeof (byte)] =
|
|
|
+ delegate(object obj, JsonWriter writer) { writer.Write(Convert.ToInt32((byte) obj)); };
|
|
|
+
|
|
|
+ base_exporters_table[typeof (char)] =
|
|
|
+ delegate(object obj, JsonWriter writer) { writer.Write(Convert.ToString((char) obj)); };
|
|
|
+
|
|
|
+ base_exporters_table[typeof (DateTime)] =
|
|
|
+ delegate(object obj, JsonWriter writer)
|
|
|
+ {
|
|
|
+ writer.Write(Convert.ToString((DateTime) obj,
|
|
|
+ datetime_format));
|
|
|
+ };
|
|
|
+
|
|
|
+ base_exporters_table[typeof (decimal)] =
|
|
|
+ delegate(object obj, JsonWriter writer) { writer.Write((decimal) obj); };
|
|
|
+
|
|
|
+ base_exporters_table[typeof (sbyte)] =
|
|
|
+ delegate(object obj, JsonWriter writer) { writer.Write(Convert.ToInt32((sbyte) obj)); };
|
|
|
+
|
|
|
+ base_exporters_table[typeof (short)] =
|
|
|
+ delegate(object obj, JsonWriter writer) { writer.Write(Convert.ToInt32((short) obj)); };
|
|
|
+
|
|
|
+ base_exporters_table[typeof (ushort)] =
|
|
|
+ delegate(object obj, JsonWriter writer) { writer.Write(Convert.ToInt32((ushort) obj)); };
|
|
|
+
|
|
|
+ base_exporters_table[typeof (uint)] =
|
|
|
+ delegate(object obj, JsonWriter writer) { writer.Write(Convert.ToUInt64((uint) obj)); };
|
|
|
+
|
|
|
+ base_exporters_table[typeof (ulong)] =
|
|
|
+ delegate(object obj, JsonWriter writer) { writer.Write((ulong) obj); };
|
|
|
+
|
|
|
+ base_exporters_table[typeof (DateTimeOffset)] =
|
|
|
+ delegate(object obj, JsonWriter writer)
|
|
|
+ {
|
|
|
+ writer.Write(((DateTimeOffset) obj).ToString("yyyy-MM-ddTHH:mm:ss.fffffffzzz", datetime_format));
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ private static void RegisterBaseImporters()
|
|
|
+ {
|
|
|
+ ImporterFunc importer;
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToByte((int) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (int),
|
|
|
+ typeof (byte), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToUInt64((int) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (int),
|
|
|
+ typeof (ulong), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToInt64((int) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (int),
|
|
|
+ typeof (long), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToSByte((int) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (int),
|
|
|
+ typeof (sbyte), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToInt16((int) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (int),
|
|
|
+ typeof (short), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToUInt16((int) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (int),
|
|
|
+ typeof (ushort), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToUInt32((int) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (int),
|
|
|
+ typeof (uint), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToSingle((int) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (int),
|
|
|
+ typeof (float), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToDouble((int) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (int),
|
|
|
+ typeof (double), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToDecimal((double) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (double),
|
|
|
+ typeof (decimal), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToSingle((double) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (double),
|
|
|
+ typeof (float), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToUInt32((long) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (long),
|
|
|
+ typeof (uint), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToChar((string) input); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (string),
|
|
|
+ typeof (char), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return Convert.ToDateTime((string) input, datetime_format); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (string),
|
|
|
+ typeof (DateTime), importer);
|
|
|
+
|
|
|
+ importer = delegate(object input) { return DateTimeOffset.Parse((string) input, datetime_format); };
|
|
|
+ RegisterImporter(base_importers_table, typeof (string),
|
|
|
+ typeof (DateTimeOffset), importer);
|
|
|
+ }
|
|
|
+
|
|
|
+ private static void RegisterImporter(
|
|
|
+ IDictionary<Type, IDictionary<Type, ImporterFunc>> table,
|
|
|
+ Type json_type, Type value_type, ImporterFunc importer)
|
|
|
+ {
|
|
|
+ if (!table.ContainsKey(json_type))
|
|
|
+ table.Add(json_type, new Dictionary<Type, ImporterFunc>());
|
|
|
+
|
|
|
+ table[json_type][value_type] = importer;
|
|
|
+ }
|
|
|
+
|
|
|
+ private static void WriteValue(object obj, JsonWriter writer,
|
|
|
+ bool writer_is_private,
|
|
|
+ int depth)
|
|
|
+ {
|
|
|
+ if (depth > max_nesting_depth)
|
|
|
+ throw new JsonException(String.Format("Max allowed object depth reached while " +
|
|
|
+ "trying to export from type {0}",
|
|
|
+ obj.GetType()));
|
|
|
+
|
|
|
+ if (obj == null)
|
|
|
+ {
|
|
|
+ writer.Write(null);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (obj is IJsonWrapper)
|
|
|
+ {
|
|
|
+ if (writer_is_private)
|
|
|
+ writer.TextWriter.Write(((IJsonWrapper) obj).ToJson());
|
|
|
+ else
|
|
|
+ ((IJsonWrapper) obj).ToJson(writer);
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (obj is String)
|
|
|
+ {
|
|
|
+ writer.Write((string) obj);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (obj is Double)
|
|
|
+ {
|
|
|
+ writer.Write((double) obj);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (obj is Single)
|
|
|
+ {
|
|
|
+ writer.Write((float) obj);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (obj is Int32)
|
|
|
+ {
|
|
|
+ writer.Write((int) obj);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (obj is Boolean)
|
|
|
+ {
|
|
|
+ writer.Write((bool) obj);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (obj is Int64)
|
|
|
+ {
|
|
|
+ writer.Write((long) obj);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (obj is Array)
|
|
|
+ {
|
|
|
+ writer.WriteArrayStart();
|
|
|
+
|
|
|
+ foreach (object elem in (Array) obj)
|
|
|
+ WriteValue(elem, writer, writer_is_private, depth + 1);
|
|
|
+
|
|
|
+ writer.WriteArrayEnd();
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (obj is IList)
|
|
|
+ {
|
|
|
+ writer.WriteArrayStart();
|
|
|
+ foreach (object elem in (IList) obj)
|
|
|
+ WriteValue(elem, writer, writer_is_private, depth + 1);
|
|
|
+ writer.WriteArrayEnd();
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+#if UNITY_2018_3_OR_NEWER
|
|
|
+ if (obj is IDictionary dictionary) {
|
|
|
+#else
|
|
|
+ if (obj is IDictionary)
|
|
|
+ {
|
|
|
+ var dictionary = obj as IDictionary;
|
|
|
+#endif
|
|
|
+ writer.WriteObjectStart();
|
|
|
+ foreach (DictionaryEntry entry in dictionary)
|
|
|
+ {
|
|
|
+#if UNITY_2018_3_OR_NEWER
|
|
|
+ var propertyName = entry.Key is string key ?
|
|
|
+ key
|
|
|
+ : Convert.ToString(entry.Key, CultureInfo.InvariantCulture);
|
|
|
+#else
|
|
|
+ var propertyName = entry.Key is string? (entry.Key as string) : Convert.ToString(entry.Key, CultureInfo.InvariantCulture);
|
|
|
+#endif
|
|
|
+ writer.WritePropertyName(propertyName);
|
|
|
+ WriteValue(entry.Value, writer, writer_is_private,
|
|
|
+ depth + 1);
|
|
|
+ }
|
|
|
+
|
|
|
+ writer.WriteObjectEnd();
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ Type obj_type = obj.GetType();
|
|
|
+
|
|
|
+ // See if there's a custom exporter for the object
|
|
|
+ if (custom_exporters_table.ContainsKey(obj_type))
|
|
|
+ {
|
|
|
+ ExporterFunc exporter = custom_exporters_table[obj_type];
|
|
|
+ exporter(obj, writer);
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // If not, maybe there's a base exporter
|
|
|
+ if (base_exporters_table.ContainsKey(obj_type))
|
|
|
+ {
|
|
|
+ ExporterFunc exporter = base_exporters_table[obj_type];
|
|
|
+ exporter(obj, writer);
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Last option, let's see if it's an enum
|
|
|
+ if (obj is Enum)
|
|
|
+ {
|
|
|
+ Type e_type = Enum.GetUnderlyingType(obj_type);
|
|
|
+
|
|
|
+ if (e_type == typeof (long)
|
|
|
+ || e_type == typeof (uint)
|
|
|
+ || e_type == typeof (ulong))
|
|
|
+ writer.Write((ulong) obj);
|
|
|
+ else
|
|
|
+ writer.Write((int) obj);
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Okay, so it looks like the input should be exported as an
|
|
|
+ // object
|
|
|
+ AddTypeProperties(obj_type);
|
|
|
+ IList<PropertyMetadata> props = type_properties[obj_type];
|
|
|
+
|
|
|
+ writer.WriteObjectStart();
|
|
|
+ writer.WritePropertyName("_t");
|
|
|
+ writer.Write(obj_type.Name);
|
|
|
+ foreach (PropertyMetadata p_data in props)
|
|
|
+ {
|
|
|
+ var skipAttributesList = p_data.Info.GetCustomAttributes(typeof (IgnoreDataMemberAttribute), true);
|
|
|
+ var skipAttributes = skipAttributesList as ICollection<Attribute>;
|
|
|
+ if (skipAttributes.Count > 0)
|
|
|
+ {
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (p_data.IsField)
|
|
|
+ {
|
|
|
+ writer.WritePropertyName(p_data.Info.Name);
|
|
|
+ WriteValue(((FieldInfo) p_data.Info).GetValue(obj),
|
|
|
+ writer, writer_is_private, depth + 1);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ PropertyInfo p_info = (PropertyInfo) p_data.Info;
|
|
|
+
|
|
|
+ if (p_info.CanRead)
|
|
|
+ {
|
|
|
+ writer.WritePropertyName(p_data.Info.Name);
|
|
|
+ WriteValue(p_info.GetValue(obj, null),
|
|
|
+ writer, writer_is_private, depth + 1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ writer.WriteObjectEnd();
|
|
|
+ }
|
|
|
+
|
|
|
+ #endregion
|
|
|
+
|
|
|
+ public static string ToJson(object obj)
|
|
|
+ {
|
|
|
+ lock (static_writer_lock)
|
|
|
+ {
|
|
|
+ static_writer.Reset();
|
|
|
+
|
|
|
+ WriteValue(obj, static_writer, true, 0);
|
|
|
+
|
|
|
+ return static_writer.ToString();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ public static void ToJson(object obj, JsonWriter writer)
|
|
|
+ {
|
|
|
+ WriteValue(obj, writer, false, 0);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static JsonData ToObject(JsonReader reader)
|
|
|
+ {
|
|
|
+ return (JsonData) ToWrapper(delegate { return new JsonData(); }, reader);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static JsonData ToObject(TextReader reader)
|
|
|
+ {
|
|
|
+ JsonReader json_reader = new JsonReader(reader);
|
|
|
+
|
|
|
+ return (JsonData) ToWrapper(delegate { return new JsonData(); }, json_reader);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static JsonData ToObject(string json)
|
|
|
+ {
|
|
|
+ return (JsonData) ToWrapper(delegate { return new JsonData(); }, json);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static T ToObject<T>(JsonReader reader)
|
|
|
+ {
|
|
|
+ return (T) ReadValue(typeof (T), reader);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static T ToObject<T>(TextReader reader)
|
|
|
+ {
|
|
|
+ JsonReader json_reader = new JsonReader(reader);
|
|
|
+
|
|
|
+ return (T) ReadValue(typeof (T), json_reader);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static T ToObject<T>(string json)
|
|
|
+ {
|
|
|
+ JsonReader reader = new JsonReader(json);
|
|
|
+
|
|
|
+ return (T) ReadValue(typeof (T), reader);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static object ToObject(string json, Type ConvertType)
|
|
|
+ {
|
|
|
+ JsonReader reader = new JsonReader(json);
|
|
|
+
|
|
|
+ return ReadValue(ConvertType, reader);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static IJsonWrapper ToWrapper(WrapperFactory factory,
|
|
|
+ JsonReader reader)
|
|
|
+ {
|
|
|
+ return ReadValue(factory, reader);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static IJsonWrapper ToWrapper(WrapperFactory factory,
|
|
|
+ string json)
|
|
|
+ {
|
|
|
+ JsonReader reader = new JsonReader(json);
|
|
|
+
|
|
|
+ return ReadValue(factory, reader);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static void RegisterExporter<T>(ExporterFunc<T> exporter)
|
|
|
+ {
|
|
|
+ ExporterFunc exporter_wrapper =
|
|
|
+ delegate(object obj, JsonWriter writer) { exporter((T) obj, writer); };
|
|
|
+
|
|
|
+ custom_exporters_table[typeof (T)] = exporter_wrapper;
|
|
|
+ }
|
|
|
+
|
|
|
+ public static void RegisterImporter<TJson, TValue>(
|
|
|
+ ImporterFunc<TJson, TValue> importer)
|
|
|
+ {
|
|
|
+ ImporterFunc importer_wrapper =
|
|
|
+ delegate(object input) { return importer((TJson) input); };
|
|
|
+
|
|
|
+ RegisterImporter(custom_importers_table, typeof (TJson),
|
|
|
+ typeof (TValue), importer_wrapper);
|
|
|
+ }
|
|
|
+
|
|
|
+ public static void UnregisterExporters()
|
|
|
+ {
|
|
|
+ custom_exporters_table.Clear();
|
|
|
+ }
|
|
|
+
|
|
|
+ public static void UnregisterImporters()
|
|
|
+ {
|
|
|
+ custom_importers_table.Clear();
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|