private static object ReadValue(Type inst_type, JsonReader reader)
{
reader.Read();
if (reader.Token == JsonToken.ArrayEnd)
{
return(null);
}
Type underlying_type = Nullable.GetUnderlyingType(inst_type);
Type value_type = underlying_type ?? inst_type;
if (reader.Token == JsonToken.Null)
{
#if NETSTANDARD1_5
if (inst_type.IsClass() || underlying_type != null)
{
return(null);
}
#else
if (inst_type.IsClass || underlying_type != null)
{
return(null);
}
#endif
throw new JsonException(String.Format(
"Can't assign null to an instance of type {0}",
inst_type));
}
if (reader.Token == JsonToken.Double ||
reader.Token == JsonToken.Int ||
reader.Token == JsonToken.Long ||
reader.Token == JsonToken.String ||
reader.Token == JsonToken.Boolean)
{
Type json_type = reader.Value.GetType();
if (value_type.IsAssignableFrom(json_type))
{
return(reader.Value);
}
// If there's a custom importer that fits, use it
if (custom_importers_table.ContainsKey(json_type) &&
custom_importers_table[json_type].ContainsKey(
value_type))
{
ImporterFunc importer =
custom_importers_table[json_type][value_type];
return(importer(reader.Value));
}
// Maybe there's a base importer that works
if (base_importers_table.ContainsKey(json_type) &&
base_importers_table[json_type].ContainsKey(
value_type))
{
ImporterFunc importer =
base_importers_table[json_type][value_type];
return(importer(reader.Value));
}
// Maybe it's an enum
#if NETSTANDARD1_5
if (value_type.IsEnum())
{
return(Enum.ToObject(value_type, reader.Value));
}
#else
if (value_type.IsEnum)
{
return(Enum.ToObject(value_type, reader.Value));
}
#endif
// Try using an implicit conversion operator
MethodInfo conv_op = GetConvOp(value_type, json_type);
if (conv_op != null)
{
return(conv_op.Invoke(null,
new object[] { reader.Value }));
}
// No luck
throw new JsonException(String.Format(
"Can't assign value '{0}' (type {1}) to type {2}",
reader.Value, json_type, inst_type));
}
object instance = null;
if (reader.Token == JsonToken.ArrayStart)
{
AddArrayMetadata(inst_type);
ArrayMetadata t_data = array_metadata[inst_type];
if (!t_data.IsArray && !t_data.IsList)
{
throw new JsonException(String.Format(
"Type {0} can't act as an array",
inst_type));
}
IList list;
Type elem_type;
if (!t_data.IsArray)
{
list = (IList)Activator.CreateInstance(inst_type);
elem_type = t_data.ElementType;
}
else
{
list = new ArrayList();
elem_type = inst_type.GetElementType();
}
while (true)
{
object item = ReadValue(elem_type, reader);
if (item == null && reader.Token == JsonToken.ArrayEnd)
{
break;
}
list.Add(item);
}
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));
}
else
{
ReadSkip(reader);
continue;
}
}
((IDictionary)instance).Add(
property, ReadValue(
t_data.ElementType, reader));
}
}
}
return(instance);
}
private static object ReadValue(Type inst_type, JsonReader reader)
{
reader.Read();
if (reader.Token == JsonToken.ArrayEnd)
{
return(null);
}
//ILRuntime doesn't support nullable valuetype
Type underlying_type = inst_type;//Nullable.GetUnderlyingType(inst_type);
Type value_type = inst_type;
if (reader.Token == JsonToken.Null)
{
if (inst_type.IsClass || underlying_type != null)
{
return(null);
}
throw new JsonException(String.Format(
"Can't assign null to an instance of type {0}",
inst_type));
}
if (reader.Token == JsonToken.Double ||
reader.Token == JsonToken.Int ||
reader.Token == JsonToken.Long ||
reader.Token == JsonToken.String ||
reader.Token == JsonToken.Boolean)
{
Type json_type = reader.Value.GetType();
var vt = value_type is ILRuntime.Reflection.ILRuntimeWrapperType ? ((ILRuntime.Reflection.ILRuntimeWrapperType)value_type).CLRType.TypeForCLR : value_type;
if (vt.IsAssignableFrom(json_type))
{
return(reader.Value);
}
if (vt is ILRuntime.Reflection.ILRuntimeType && ((ILRuntime.Reflection.ILRuntimeType)vt).ILType.IsEnum)
{
if (json_type == typeof(int) || json_type == typeof(long) || json_type == typeof(short) || json_type == typeof(byte))
{
return(reader.Value);
}
}
// If there's a custom importer that fits, use it
if (custom_importers_table.ContainsKey(json_type) &&
custom_importers_table[json_type].ContainsKey(
vt))
{
ImporterFunc importer =
custom_importers_table[json_type][vt];
return(importer(reader.Value));
}
// Maybe there's a base importer that works
if (base_importers_table.ContainsKey(json_type) &&
base_importers_table[json_type].ContainsKey(
vt))
{
ImporterFunc importer =
base_importers_table[json_type][vt];
return(importer(reader.Value));
}
// Maybe it's an enum
if (vt.IsEnum)
{
return(Enum.ToObject(vt, reader.Value));
}
// Try using an implicit conversion operator
MethodInfo conv_op = GetConvOp(vt, json_type);
if (conv_op != null)
{
return(conv_op.Invoke(null,
new object[] { reader.Value }));
}
// No luck
throw new JsonException(String.Format(
"Can't assign value '{0}' (type {1}) to type {2}",
reader.Value, json_type, inst_type));
}
object instance = null;
if (reader.Token == JsonToken.ArrayStart)
{
AddArrayMetadata(inst_type);
ArrayMetadata t_data = array_metadata[inst_type];
if (!t_data.IsArray && !t_data.IsList)
{
throw new JsonException(String.Format(
"Type {0} can't act as an array",
inst_type));
}
IList list;
Type elem_type;
if (!t_data.IsArray)
{
list = (IList)Activator.CreateInstance(inst_type);
elem_type = t_data.ElementType;
}
else
{
list = new ArrayList();
elem_type = inst_type.GetElementType();
}
while (true)
{
object item = ReadValue(elem_type, reader);
if (item == null && reader.Token == JsonToken.ArrayEnd)
{
break;
}
var rt = elem_type is ILRuntime.Reflection.ILRuntimeWrapperType ? ((ILRuntime.Reflection.ILRuntimeWrapperType)elem_type).RealType : elem_type;
if (elem_type is ILRuntime.Reflection.ILRuntimeType && ((ILRuntime.Reflection.ILRuntimeType)elem_type).ILType.IsEnum)
{
item = (int)item;
}
else
{
item = rt.CheckCLRTypes(item);
}
list.Add(item);
}
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];
if (value_type is ILRuntime.Reflection.ILRuntimeType)
{
instance = ((ILRuntime.Reflection.ILRuntimeType)value_type).ILType.Instantiate();
}
else
{
instance = Activator.CreateInstance(value_type);
}
bool isIntKey = t_data.IsDictionary && value_type.GetGenericArguments()[0] == typeof(int);
var hotArguments = (inst_type as ILRuntimeWrapperType)?.CLRType.GenericArguments?
.Select(i => i.Value)
.ToList()
.FindAll(t => !(t is CLRType));
var valid = hotArguments?.Count == 1;
while (true)
{
reader.Read();
if (reader.Token == JsonToken.ObjectEnd)
{
break;
}
string key = (string)reader.Value;
if (t_data.Properties.ContainsKey(key))
{
PropertyMetadata prop_data =
t_data.Properties[key];
if (prop_data.IsField)
{
var val = ((FieldInfo)prop_data.Info);
var realType = prop_data.Type;
if (val.FieldType.ToString() == "ILRuntime.Runtime.Intepreter.ILTypeInstance")
{
//支持一下本地泛型<热更类型>，这种属于CLRType，会new ILTypeIns导致错误
//这里要做的就是把泛型参数里面的热更类型获取出来
//但如果有超过1个热更类型在参数里，就没办法判断哪个是这个字段的ILTypeIns了，所以只能1个
if (!valid)
{
throw new NotSupportedException("仅支持解析1个热更类型做泛型参数的本地泛型类");
}
realType = hotArguments[0].ReflectionType;
}
((FieldInfo)prop_data.Info).SetValue(
instance, ReadValue(realType, reader));
}
else
{
PropertyInfo p_info =
(PropertyInfo)prop_data.Info;
var val = ((PropertyInfo)prop_data.Info);
var realType = prop_data.Type;
if (val.PropertyType.ToString() == "ILRuntime.Runtime.Intepreter.ILTypeInstance")
{
if (!valid)
{
throw new NotSupportedException("仅支持解析1个热更类型做泛型参数的本地泛型类");
}
realType = hotArguments[0].ReflectionType;
}
if (p_info.CanWrite)
{
p_info.SetValue(
instance,
ReadValue(realType, reader),
null);
}
else
{
ReadValue(realType, 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, key));
}
else
{
ReadSkip(reader);
continue;
}
}
var dict = ((IDictionary)instance);
var elem_type = t_data.ElementType;
object readValue = ReadValue(elem_type, reader);
var rt = t_data.ElementType is ILRuntime.Reflection.ILRuntimeWrapperType
? ((ILRuntime.Reflection.ILRuntimeWrapperType)t_data.ElementType).RealType
: t_data.ElementType;
//value 是枚举的情况没处理,毕竟少
if (isIntKey)
{
var dictValueType = value_type.GetGenericArguments()[1];
IConvertible convertible = dictValueType as IConvertible;
if (convertible == null)
{
//自定义类型扩展
if (dictValueType == typeof(double)) //CheckCLRTypes() 没有double,也可以修改ilruntime源码实现
{
var v = Convert.ChangeType(readValue.ToString(), dictValueType);
dict.Add(Convert.ToInt32(key), v);
}
else
{
readValue = rt.CheckCLRTypes(readValue);
dict.Add(Convert.ToInt32(key), readValue);
// throw new JsonException (String.Format("The type {0} doesn't not support",dictValueType));
}
}
else
{
var v = Convert.ChangeType(readValue, dictValueType);
dict.Add(Convert.ToInt32(key), v);
}
}
else
{
readValue = rt.CheckCLRTypes(readValue);
dict.Add(key, readValue);
}
}
}
}
return(instance);
}
private static void AddObjectMetadata(Type type)
{
if (object_metadata.ContainsKey(type))
{
return;
}
ObjectMetadata data = new ObjectMetadata();
if (type.GetInterface("System.Collections.IDictionary") != null)
{
data.IsDictionary = true;
}
data.Properties = new Dictionary <string, PropertyMetadata> ();
foreach (PropertyInfo p_info in type.GetProperties(BindingFlags.Instance | BindingFlags.Public))
{
if (p_info.Name == "Item")
{
ParameterInfo[] parameters = p_info.GetIndexParameters();
if (parameters.Length == 1)
{
if (parameters[0].ParameterType == typeof(string))
{
data.ElementType = p_info.PropertyType;
}
continue;
}
if (parameters.Length > 1)
{
continue;
}
}
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = p_info;
p_data.Type = p_info.PropertyType;
if (p_info.IsDefined(typeof(JsonPropertyName), true))
{
var att = (JsonPropertyName)p_info.GetCustomAttributes(typeof(JsonPropertyName), true)[0];
data.Properties.Add(att.Name, p_data);
}
else
{
data.Properties.Add(p_info.Name, p_data);
}
}
foreach (FieldInfo f_info in type.GetFields(BindingFlags.Instance | BindingFlags.Public))
{
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = f_info;
p_data.IsField = true;
p_data.Type = f_info.FieldType;
if (f_info.IsDefined(typeof(JsonPropertyName), true))
{
var att = (JsonPropertyName)f_info.GetCustomAttributes(typeof(JsonPropertyName), true)[0];
data.Properties.Add(att.Name, p_data);
}
else
{
data.Properties.Add(f_info.Name, p_data);
}
}
lock (object_metadata_lock) {
try {
object_metadata.Add(type, data);
} catch (ArgumentException) {
return;
}
}
}
private static void AddObjectMetadata(Type type)
{
if (object_metadata.ContainsKey(type))
{
return;
}
ObjectMetadata data = new ObjectMetadata();
if (type.GetInterface("System.Collections.IDictionary") != null)
{
data.IsDictionary = true;
}
data.Properties = new Dictionary <string, PropertyMetadata> ();
foreach (PropertyInfo p_info in type.GetProperties())
{
if (p_info.Name == "Item")
{
ParameterInfo[] parameters = p_info.GetIndexParameters();
if (parameters.Length != 1)
{
continue;
}
if (parameters[0].ParameterType == typeof(string))
{
data.ElementType = p_info.PropertyType;
}
continue;
}
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = p_info;
p_data.Type = p_info.PropertyType;
ProcessAttributes(ref p_data, p_info);
data.Properties.Add(p_info.Name, p_data);
}
foreach (FieldInfo f_info in type.GetFields())
{
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = f_info;
p_data.IsField = true;
p_data.Type = f_info.FieldType;
ProcessAttributes(ref p_data, f_info);
data.Properties.Add(f_info.Name, p_data);
}
lock (object_metadata_lock) {
try {
object_metadata.Add(type, data);
} catch (ArgumentException) {
return;
}
}
}
private static object ReadValue(Type inst_type, JsonReader reader, bool usingTypeInfo = false)
{
reader.Read();
if (reader.Token == JsonToken.ArrayEnd)
{
return(null);
}
if (reader.Token == JsonToken.Null)
{
if (!inst_type.IsClass)
{
throw new JsonException(String.Format(
"Can't assign null to an instance of type {0}",
inst_type));
}
return(null);
}
if (reader.Token == JsonToken.Double ||
reader.Token == JsonToken.Int ||
reader.Token == JsonToken.Long ||
reader.Token == JsonToken.String ||
reader.Token == JsonToken.Boolean)
{
Type json_type = reader.Value.GetType();
if (inst_type.IsAssignableFrom(json_type))
{
return(reader.Value);
}
// If there's a custom importer that fits, use it
if (custom_importers_table.ContainsKey(json_type) &&
custom_importers_table[json_type].ContainsKey(
inst_type))
{
ImporterFunc importer =
custom_importers_table[json_type][inst_type];
return(importer(reader.Value));
}
// Maybe there's a base importer that works
if (base_importers_table.ContainsKey(json_type) &&
base_importers_table[json_type].ContainsKey(
inst_type))
{
ImporterFunc importer =
base_importers_table[json_type][inst_type];
return(importer(reader.Value));
}
// Maybe it's an enum
if (inst_type.IsEnum)
{
return(Enum.ToObject(inst_type, reader.Value));
}
// Try using an implicit conversion operator
MethodInfo conv_op = GetConvOp(inst_type, json_type);
if (conv_op != null)
{
return(conv_op.Invoke(null,
new object[] { reader.Value }));
}
// No luck
throw new JsonException(String.Format(
"Can't assign value '{0}' (type {1}) to type {2}",
reader.Value, json_type, inst_type));
}
object instance = null;
#region read array
if (reader.Token == JsonToken.ArrayStart)
{
AddArrayMetadata(inst_type);
ArrayMetadata t_data = array_metadata[inst_type];
if (!t_data.IsArray && !t_data.IsList)
{
throw new JsonException(String.Format(
"Type {0} can't act as an array",
inst_type));
}
IList list;
Type elem_type;
if (!t_data.IsArray)
{
list = (IList)Activator.CreateInstance(inst_type);
elem_type = t_data.ElementType;
}
else
{
list = new ArrayList();
elem_type = inst_type.GetElementType();
}
while (true)
{
object item = ReadValue(elem_type, reader, usingTypeInfo);
if (reader.Token == JsonToken.ArrayEnd)
{
break;
}
list.Add(item);
}
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;
}
}
#endregion
#region read object
else if (reader.Token == JsonToken.ObjectStart)
{
// if we are using type info we expect the type name as first field in the json
bool peekedForType = false;
if (usingTypeInfo && !IsDictionary(inst_type))
{
reader.Read();
if ((string)reader.Value == keyTypeInfo)
{
string t = (string)ReadValue(typeof(System.String), reader);
inst_type = Type.GetType(t);
}
else
{
// remember that we already read the next member's name
peekedForType = true;
}
}
AddObjectMetadata(inst_type);
ObjectMetadata t_data = object_metadata[inst_type];
instance = Activator.CreateInstance(inst_type);
while (true)
{
// we already read ahead if we didn't find type info
if (!peekedForType)
{
reader.Read();
}
else
{
peekedForType = false;
}
if (reader.Token == JsonToken.ObjectEnd)
{
break;
}
string property = (string)reader.Value;
if (t_data.Properties.ContainsKey(property))
{
PropertyMetadata prop_data =
t_data.Properties[property];
// Don't deserialize a field or property that has a JsonIgnore attribute with deserialization usage.
if ((prop_data.Ignore & JsonIgnoreWhen.Deserializing) > 0)
{
reader.Read();
continue;
}
if (prop_data.IsField)
{
((FieldInfo)prop_data.Info).SetValue(
instance, ReadValue(prop_data.Type, reader, usingTypeInfo));
}
else
{
PropertyInfo p_info =
(PropertyInfo)prop_data.Info;
if (p_info.CanWrite)
{
p_info.SetValue(
instance,
ReadValue(prop_data.Type, reader, usingTypeInfo),
null);
}
else
{
ReadValue(prop_data.Type, reader, usingTypeInfo);
}
}
}
else
{
if (!t_data.IsDictionary)
{
reader.Read();
if (reader.Token == JsonToken.ObjectStart)
{
while (reader.Token != JsonToken.ObjectEnd)
{
reader.Read();
}
}
continue;
}
// TODO throw exception and return result as part of the exception
// throw new JsonException (String.Format (
// "The type {0} doesn't have the " +
// "property '{1}'", inst_type, property));
else
{
((IDictionary)instance).Add(
property, ReadValue(
t_data.ElementType, reader, usingTypeInfo));
}
}
}
}
#endregion
return(instance);
}
private static object ReadValue(Type inst_type, JsonReader reader)
{
reader.Read(inst_type);
if (reader.Token == JsonToken.ArrayEnd)
{
return(null);
}
if (reader.Token == JsonToken.Null)
{
if (!inst_type.IsClass)
{
throw new JsonException(String.Format(
"Can't assign null to an instance of type {0}",
inst_type));
}
return(null);
}
if (reader.Token == JsonToken.Double ||
reader.Token == JsonToken.Int ||
reader.Token == JsonToken.Long ||
reader.Token == JsonToken.String ||
reader.Token == JsonToken.Boolean)
{
Type json_type = reader.Value.GetType();
if (inst_type.IsAssignableFrom(json_type))
{
return(reader.Value);
}
// If there's a custom importer that fits, use it
if (custom_importers_table.ContainsKey(json_type) &&
custom_importers_table[json_type].ContainsKey(
inst_type))
{
ImporterFunc importer =
custom_importers_table[json_type][inst_type];
return(importer(reader.Value));
}
// Maybe there's a base importer that works
if (base_importers_table.ContainsKey(json_type) &&
base_importers_table[json_type].ContainsKey(
inst_type))
{
ImporterFunc importer =
base_importers_table[json_type][inst_type];
return(importer(reader.Value));
}
// Maybe it's an enum
if (inst_type.IsEnum)
{
return(Enum.ToObject(inst_type, reader.Value));
}
// Try using an implicit conversion operator
MethodInfo conv_op = GetConvOp(inst_type, json_type);
if (conv_op != null)
{
return(conv_op.Invoke(null,
new object[] { reader.Value }));
}
// No luck
throw new JsonException(String.Format(
"Can't assign value '{0}' (type {1}) to type {2}",
reader.Value, json_type, inst_type));
}
object instance = null;
if (reader.Token == JsonToken.ArrayStart)
{
AddArrayMetadata(inst_type);
ArrayMetadata t_data = array_metadata[inst_type];
if (!t_data.IsArray && !t_data.IsList)
{
throw new JsonException(String.Format(
"Type {0} can't act as an array",
inst_type));
}
IList list;
Type elem_type;
if (!t_data.IsArray)
{
list = (IList)Activator.CreateInstance(inst_type);
elem_type = t_data.ElementType;
}
else
{
list = new ArrayList();
elem_type = inst_type.GetElementType();
}
while (true)
{
object item = ReadValue(elem_type, reader);
if (item == null && reader.Token == JsonToken.ArrayEnd)
{
break;
}
list.Add(item);
}
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(inst_type);
ObjectMetadata t_data = object_metadata[inst_type];
reader.Read();
//如果打开自动识别类型，那么就可以支持已经定义的动态类型
var AttrList = inst_type.GetCustomAttributes(typeof(LitJsonObjectAttribute), false);
bool NoSelfType = false;
foreach (var attr in AttrList)
{
var jsonObj = attr as LitJsonObjectAttribute;
if (null != jsonObj && jsonObj.NoSelfType == true)
{
NoSelfType = true;
}
}
string keyname = (string)reader.Value;
if (NoSelfType == false && keyname == "selfType") //第一个字段为selftype 可以多态反射
{
string classname = (string)ReadValue(typeof(string), reader);
Type classtype = FindTypeByName(classname);
if (null != classtype)
{
inst_type = classtype;
AddObjectMetadata(inst_type);
t_data = object_metadata[inst_type];
}
reader.Read();
}
if (inst_type.IsAbstract)
{
while (true)
{
if (reader.Token == JsonToken.ObjectEnd)
{
instance = null;
break;
}
ReadSkip(reader);
reader.Read();
}
}
else if (inst_type == typeof(object))//如果期望的类型为object那么会自动转换成JsonData
{
WrapperFactory factory = delegate { return(new JsonData()); };
instance = factory();
while (true)
{
if (reader.Token == JsonToken.ObjectEnd)
{
break;
}
string property = (string)reader.Value;
((IDictionary)instance)[property] = ReadValue(factory, reader);
reader.Read();
}
}
else //按类的格式赋值
{
if (reader.Token != JsonToken.ObjectEnd)
{
instance = Activator.CreateInstance(inst_type);
}
else
{
instance = null;
}
while (true)
{
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));
}
else
{
ReadSkip(reader);
reader.Read();
continue;
}
}
((IDictionary)instance).Add(
property, ReadValue(
t_data.ElementType, reader));
}
reader.Read();
}
}
}
return(instance);
}
static object ReadValue(Type inst_type, JsonData json)
{
if (json == null || json.JsonType == JsonType.None || (json.JsonType == JsonType.String && String.IsNullOrEmpty((string)json.Value) && !(inst_type == typeof(string))))
{
if (inst_type.GetTypeInfo().IsGenericType&& inst_type.GetGenericTypeDefinition() == typeof(Nullable <>))
{
return(Activator.CreateInstance(inst_type)); // empty nullable
}
if (!inst_type.GetTypeInfo().IsClass&& !inst_type.IsArray)
{
throw new JsonException(String.Format("Can't assign null to an instance of type {0}", inst_type));
}
return(null);
}
object[] attrs;
if ((attrs = inst_type.GetTypeInfo().GetCustomAttributes(typeof(JsonConverterAttribute), false).ToArray()) != null && attrs.Length == 1)
{
var jca = (JsonConverterAttribute)attrs[0];
var jc = (IJsonConverter)Activator.CreateInstance(jca.Converter);
object v_;
if (jc.Deserialize(json, inst_type, out v_))
{
return(v_);
}
}
if (inst_type.GetTypeInfo().IsGenericType&& inst_type.GetGenericTypeDefinition() == typeof(Nullable <>)) // 'json' isn't null -> has a value
{
return(Activator.CreateInstance(inst_type, ReadValue(inst_type.GetGenericArguments()[0], json)));
}
var v = json.Value;
switch (json.JsonType)
{
case JsonType.Double:
case JsonType.Int:
case JsonType.Long:
case JsonType.String:
case JsonType.Boolean:
return(ConvertTo(inst_type, json.Value, json.NetType(inst_type)));
case JsonType.Array:
{
AddArrayMetadata(inst_type);
ArrayMetadata t_data = array_metadata[inst_type];
if (!t_data.IsArray && !t_data.IsList)
{
throw new JsonException(String.Format("Type {0} can't act as an array", inst_type));
}
var inList = (IList <JsonData>)v;
IList list;
Type elem_type;
if (!t_data.IsArray)
{
list = (IList)Activator.CreateInstance(inst_type);
elem_type = t_data.ElementType;
}
else
{
list = new List <object>();
elem_type = inst_type.GetElementType();
}
for (int i = 0; i < inList.Count; i++)
{
list.Add(ReadValue(elem_type, inList[i]));
}
object inst;
if (t_data.IsArray)
{
int n = list.Count;
inst = Array.CreateInstance(elem_type, n);
for (int i = 0; i < n; i++)
{
((Array)inst).SetValue(list[i], i);
}
}
else
{
inst = list;
}
return(inst);
}
case JsonType.Object:
{
AddObjectMetadata(inst_type);
ObjectMetadata t_data = object_metadata[inst_type];
//throw new Exception("type is " + inst_type);
var inst = Activator.CreateInstance(inst_type);
var dict = (IDictionary <string, JsonData>)v;
foreach (var kvp in dict)
{
var prop = kvp.Key;
var value = kvp.Value;
PropertyMetadata prop_data;
if (TryGetValueIgnCase(t_data.Properties, prop, out prop_data))
{
if (prop_data.IsField)
{
((FieldInfo)prop_data.Info).SetValue(inst, ReadValue(prop_data.Type, value));
}
else
{
var p_info = (PropertyInfo)prop_data.Info;
var v_ = ReadValue(prop_data.Type, value);
object converted = null;
if ((attrs = p_info.GetCustomAttributes(typeof(JsonConverterAttribute), false).ToArray()) != null && attrs.Length == 1)
{
var jca = (JsonConverterAttribute)attrs[0];
var jc = (IJsonConverter)Activator.CreateInstance(jca.Converter);
jc.Deserialize(value, p_info.PropertyType, out converted);
}
if (p_info.CanWrite)
{
p_info.SetValue(inst, converted ?? ConvertTo(p_info.PropertyType, v_), null);
}
else
{
throw new MemberAccessException("Cannot set property '" + p_info + "' to '" + v_ + "'.");
}
}
}
else
{
if (!t_data.IsDictionary)
{
throw new JsonException(String.Format("The type {0} doesn't have the property '{1}'", inst_type, prop));
}
((IDictionary)inst).Add(prop, ReadValue(t_data.ElementType, value));
}
}
return(inst);
}
default:
return(null);
}
}
private static object ReadValue(Type inst_type, JsonReader reader)
{
reader.Read();
if (reader.Token == JsonToken.ArrayEnd)
{
return(null);
}
//ILRuntime doesn't support nullable valuetype
Type underlying_type = inst_type; //Nullable.GetUnderlyingType(inst_type);
Type value_type = inst_type;
if (reader.Token == JsonToken.Null)
{
if (inst_type.IsClass || underlying_type != null)
{
return(null);
}
throw new JsonException(String.Format(
"Can't assign null to an instance of type {0}",
inst_type));
}
if (reader.Token == JsonToken.Double ||
reader.Token == JsonToken.Int ||
reader.Token == JsonToken.Long ||
reader.Token == JsonToken.String ||
reader.Token == JsonToken.Boolean)
{
Type json_type = reader.Value.GetType();
var vt = value_type is ILRuntime.Reflection.ILRuntimeWrapperType
? ((ILRuntime.Reflection.ILRuntimeWrapperType)value_type).CLRType.TypeForCLR
: value_type;
if (vt.IsAssignableFrom(json_type))
{
return(reader.Value);
}
if (vt is ILRuntime.Reflection.ILRuntimeType && ((ILRuntime.Reflection.ILRuntimeType)vt).ILType.IsEnum)
{
if (json_type == typeof(int) || json_type == typeof(long) || json_type == typeof(short) ||
json_type == typeof(byte))
{
return(reader.Value);
}
}
// If there's a custom importer that fits, use it
if (custom_importers_table.ContainsKey(json_type) &&
custom_importers_table[json_type].ContainsKey(
vt))
{
ImporterFunc importer =
custom_importers_table[json_type][vt];
return(importer(reader.Value));
}
// Maybe there's a base importer that works
if (base_importers_table.ContainsKey(json_type) &&
base_importers_table[json_type].ContainsKey(
vt))
{
ImporterFunc importer =
base_importers_table[json_type][vt];
return(importer(reader.Value));
}
// Maybe it's an enum
if (vt.IsEnum)
{
return(Enum.ToObject(vt, reader.Value));
}
// Try using an implicit conversion operator
MethodInfo conv_op = GetConvOp(vt, json_type);
if (conv_op != null)
{
return(conv_op.Invoke(null,
new object[] { reader.Value }));
}
// No luck
throw new JsonException(String.Format(
"Can't assign value '{0}' (type {1}) to type {2}",
reader.Value, json_type, inst_type));
}
object instance = null;
if (reader.Token == JsonToken.ArrayStart)
{
AddArrayMetadata(inst_type);
ArrayMetadata t_data = array_metadata[inst_type];
if (!t_data.IsArray && !t_data.IsList)
{
throw new JsonException(String.Format(
"Type {0} can't act as an array",
inst_type));
}
IList list;
Type elem_type;
if (!t_data.IsArray)
{
list = (IList)Activator.CreateInstance(inst_type);
elem_type = t_data.ElementType;
}
else
{
list = new ArrayList();
elem_type = inst_type.GetElementType();
}
while (true)
{
object item = ReadValue(elem_type, reader);
if (item == null && reader.Token == JsonToken.ArrayEnd)
{
break;
}
var rt = elem_type is ILRuntime.Reflection.ILRuntimeWrapperType
? ((ILRuntime.Reflection.ILRuntimeWrapperType)elem_type).RealType
: elem_type;
item = rt.CheckCLRTypes(item);
list.Add(item);
}
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];
if (value_type is ILRuntime.Reflection.ILRuntimeType)
{
instance = ((ILRuntime.Reflection.ILRuntimeType)value_type).ILType.Instantiate();
}
else
{
if (value_type is ILRuntime.Reflection.ILRuntimeWrapperType)
{
value_type = ((ILRuntime.Reflection.ILRuntimeWrapperType)value_type).RealType;
}
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)
{
var p_prop = ((FieldInfo)prop_data.Info);
var value = ReadValue(prop_data.Type, reader);
p_prop.SetValue(instance, value);
}
else
{
var p_info = (PropertyInfo)prop_data.Info;
var value = ReadValue(prop_data.Type, reader);
p_info.SetValue(instance, value);
}
}
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));
}
else
{
ReadSkip(reader);
continue;
}
}
var rt = t_data.ElementType is ILRuntime.Reflection.ILRuntimeWrapperType
? ((ILRuntime.Reflection.ILRuntimeWrapperType)t_data.ElementType).RealType
: t_data.ElementType;
((IDictionary)instance).Add(
property, rt.CheckCLRTypes(ReadValue(
t_data.ElementType, reader)));
}
}
}
return(instance);
}
static void AddObjectMetadata(Type type)
{
if (object_metadata.ContainsKey(type))
{
return;
}
var data = new ObjectMetadata();
if (Array.IndexOf(type.GetInterfaces(), typeof(IDictionary)) != -1)
{
data.IsDictionary = true;
}
data.Properties = new Dictionary <string, PropertyMetadata>();
foreach (var p_info in type.GetProperties(BFlags))
{
if (p_info.Name == "Item" && (p_info.Attributes & PropertyAttributes.SpecialName) != 0)
{
var parameters = p_info.GetIndexParameters();
if (parameters.Length != 1)
{
continue;
}
if (parameters[0].ParameterType == typeof(string))
{
data.ElementType = p_info.PropertyType;
}
continue;
}
var p_data = new PropertyMetadata();
p_data.Info = p_info;
p_data.Type = p_info.PropertyType;
data.Properties.Add(p_info.Name, p_data);
foreach (var o in p_info.GetCustomAttributes(typeof(JsonPropertyNameAttribute), true))
{
var jpn = (JsonPropertyNameAttribute)o;
if (!data.Properties.ContainsKey(jpn.Name))
{
data.Properties.Add(jpn.Name, p_data);
}
}
}
foreach (var f_info in type.GetFields(BFlags))
{
var p_data = new PropertyMetadata();
p_data.Info = f_info;
p_data.IsField = true;
p_data.Type = f_info.FieldType;
data.Properties.Add(f_info.Name, p_data);
foreach (var o in f_info.GetCustomAttributes(typeof(JsonPropertyNameAttribute), true))
{
var jpn = (JsonPropertyNameAttribute)o;
if (!data.Properties.ContainsKey(jpn.Name))
{
data.Properties.Add(jpn.Name, p_data);
}
}
}
lock (object_metadata_lock)
{
try
{
object_metadata.Add(type, data);
}
catch (ArgumentException)
{
return;
}
}
}
private static void AddObjectMetadata(Type type)
{
if (object_metadata.ContainsKey(type))
{
return;
}
ObjectMetadata data = new ObjectMetadata();
if (HasInterface(type, "System.Collections.IDictionary"))
{
data.IsDictionary = true;
}
data.Properties = new Dictionary <string, PropertyMetadata> ();
foreach (PropertyInfo p_info in GetPublicInstanceProperties(type))
{
if (p_info.Name == "Item")
{
ParameterInfo[] parameters = p_info.GetIndexParameters();
if (parameters.Length != 1)
{
continue;
}
if (parameters[0].ParameterType == typeof(string))
{
data.ElementType = p_info.PropertyType;
}
continue;
}
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = p_info;
p_data.Type = p_info.PropertyType;
data.Properties.Add(p_info.Name, p_data);
}
foreach (FieldInfo f_info in
#if NETFX_CORE
type.GetRuntimeFields()
#else
type.GetFields()
#endif
)
{
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = f_info;
p_data.IsField = true;
p_data.Type = f_info.FieldType;
data.Properties.Add(f_info.Name, p_data);
}
lock (object_metadata_lock) {
try {
object_metadata.Add(type, data);
} catch (ArgumentException) {
return;
}
}
}
private static void AddObjectMetadata(Type type)
{
if (object_metadata.ContainsKey(type))
{
return;
}
ObjectMetadata data = new ObjectMetadata();
if (type.GetInterface("System.Collections.IDictionary") != null)
{
data.IsDictionary = true;
}
data.Properties = new Dictionary <string, PropertyMetadata>();
//this do for : int x｛get;private set} set is null~
var flag = BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly;
List <PropertyInfo> props = new List <PropertyInfo>();
Type startType = type;
while (startType != null)
{
props.AddRange(startType.GetProperties(flag));
startType = startType.BaseType;
}
foreach (PropertyInfo p_info in props)
{
if (p_info.Name == "Item")
{
ParameterInfo[] parameters = p_info.GetIndexParameters();
if (parameters.Length != 1)
{
continue;
}
if (parameters[0].ParameterType == typeof(string))
{
if (type is ILRuntime.Reflection.ILRuntimeWrapperType)
{
data.ElementType = ((ILRuntime.Reflection.ILRuntimeWrapperType)type).CLRType
.GenericArguments[1].Value.ReflectionType;
}
else
{
data.ElementType = p_info.PropertyType;
}
}
continue;
}
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = p_info;
p_data.Type = p_info.PropertyType;
data.Properties.Add(p_info.Name, p_data);
}
var fields = type.GetFields(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public |
BindingFlags.NonPublic);
foreach (FieldInfo f_info in fields)
{
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = f_info;
p_data.IsField = true;
p_data.Type = f_info.FieldType;
data.Properties.Add(f_info.Name, p_data);
}
lock (object_metadata_lock)
{
try
{
object_metadata.Add(type, data);
}
catch (ArgumentException)
{
return;
}
}
}
private static void WriteValue(object obj, JsonWriter writer, bool privateWriter, int depth)
{
if (depth > maxNestingDepth)
{
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 (privateWriter)
{
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 long)
{
writer.Write((long)obj);
return;
}
if (obj is bool)
{
writer.Write((bool)obj);
return;
}
if (obj is Array)
{
writer.WriteArrayStart();
Array arr = (Array)obj;
Type elemType = arr.GetType().GetElementType();
foreach (object elem in arr)
{
// if the collection contains polymorphic elements, we need to include type information for deserialization
if (writer.TypeHinting && elem != null & elem.GetType() != elemType)
{
writer.WriteObjectStart();
writer.WritePropertyName(writer.HintTypeName);
writer.Write(elem.GetType().FullName);
writer.WritePropertyName(writer.HintValueName);
WriteValue(elem, writer, privateWriter, depth + 1);
writer.WriteObjectEnd();
}
else
{
WriteValue(elem, writer, privateWriter, depth + 1);
}
}
writer.WriteArrayEnd();
return;
}
if (obj is IList)
{
writer.WriteArrayStart();
IList list = (IList)obj;
// collection might be non-generic type like Arraylist
Type elemType = typeof(object);
if (list.GetType().GetGenericArguments().Length > 0)
{
// collection is a generic type like List<T>
elemType = list.GetType().GetGenericArguments()[0];
}
foreach (object elem in list)
{
// if the collection contains polymorphic elements, we need to include type information for deserialization
if (writer.TypeHinting && elem != null && elem.GetType() != elemType)
{
writer.WriteObjectStart();
writer.WritePropertyName(writer.HintTypeName);
writer.Write(elem.GetType().AssemblyQualifiedName);
writer.WritePropertyName(writer.HintValueName);
WriteValue(elem, writer, privateWriter, depth + 1);
writer.WriteObjectEnd();
}
else
{
WriteValue(elem, writer, privateWriter, depth + 1);
}
}
writer.WriteArrayEnd();
return;
}
if (obj is IDictionary)
{
writer.WriteObjectStart();
IDictionary dict = (IDictionary)obj;
// collection might be non-generic type like Hashtable
Type elemType = typeof(object);
if (dict.GetType().GetGenericArguments().Length > 1)
{
// collection is a generic type like Dictionary<T, V>
elemType = dict.GetType().GetGenericArguments()[1];
}
foreach (DictionaryEntry entry in dict)
{
writer.WritePropertyName((string)entry.Key);
// if the collection contains polymorphic elements, we need to include type information for deserialization
if (writer.TypeHinting && entry.Value != null && entry.Value.GetType() != elemType)
{
writer.WriteObjectStart();
writer.WritePropertyName(writer.HintTypeName);
writer.Write(entry.Value.GetType().AssemblyQualifiedName);
writer.WritePropertyName(writer.HintValueName);
WriteValue(entry.Value, writer, privateWriter, depth + 1);
writer.WriteObjectEnd();
}
else
{
WriteValue(entry.Value, writer, privateWriter, depth + 1);
}
}
writer.WriteObjectEnd();
return;
}
Type objType = obj.GetType();
// Try a base or custom importer if one exists
ExporterFunc exporter = GetExporter(objType);
if (exporter != null)
{
exporter(obj, writer);
return;
}
// Last option, let's see if it's an enum
if (obj is Enum)
{
Type enumType = Enum.GetUnderlyingType(objType);
if (enumType == typeof(long))
{
writer.Write((long)obj);
}
else
{
ExporterFunc enumConverter = GetExporter(enumType);
if (enumConverter != null)
{
enumConverter(obj, writer);
}
}
return;
}
// Okay, it looks like the input should be exported as an object
ObjectMetadata tdata = AddObjectMetadata(objType);
writer.WriteObjectStart();
foreach (string property in tdata.Properties.Keys)
{
PropertyMetadata pdata = tdata.Properties[property];
// Don't serialize soft aliases (which get added to ObjectMetadata.Properties twice).
if (pdata.Alias != null && property != pdata.Info.Name && tdata.Properties.ContainsKey(pdata.Info.Name))
{
continue;
}
// Don't serialize a field or property with the JsonIgnore attribute with serialization usage
if ((pdata.Ignore & JsonIgnoreWhen.Serializing) > 0)
{
continue;
}
if (pdata.IsField)
{
FieldInfo info = (FieldInfo)pdata.Info;
if (pdata.Alias != null)
{
writer.WritePropertyName(pdata.Alias);
}
else
{
writer.WritePropertyName(info.Name);
}
object value = info.GetValue(obj);
if (writer.TypeHinting && value != null && info.FieldType != value.GetType())
{
// the object stored in the field might be a different type that what was declared, need type hinting
writer.WriteObjectStart();
writer.WritePropertyName(writer.HintTypeName);
writer.Write(value.GetType().AssemblyQualifiedName);
writer.WritePropertyName(writer.HintValueName);
WriteValue(value, writer, privateWriter, depth + 1);
writer.WriteObjectEnd();
}
else
{
WriteValue(value, writer, privateWriter, depth + 1);
}
}
else
{
PropertyInfo info = (PropertyInfo)pdata.Info;
if (info.CanRead)
{
if (pdata.Alias != null)
{
writer.WritePropertyName(pdata.Alias);
}
else
{
writer.WritePropertyName(info.Name);
}
object value = info.GetValue(obj, null);
if (writer.TypeHinting && value != null && info.PropertyType != value.GetType())
{
// the object stored in the property might be a different type that what was declared, need type hinting
writer.WriteObjectStart();
writer.WritePropertyName(writer.HintTypeName);
writer.Write(value.GetType().AssemblyQualifiedName);
writer.WritePropertyName(writer.HintValueName);
WriteValue(value, writer, privateWriter, depth + 1);
writer.WriteObjectEnd();
}
else
{
WriteValue(value, writer, privateWriter, depth + 1);
}
}
}
}
writer.WriteObjectEnd();
}
private static object ReadValue(Type instType, JsonReader reader)
{
reader.Read();
if (reader.Token == JsonToken.ArrayEnd)
{
return(null);
}
Type underlyingType = Nullable.GetUnderlyingType(instType);
Type valueType = underlyingType ?? instType;
if (reader.Token == JsonToken.Null)
{
#if JSON_WINRT || (UNITY_METRO && !UNITY_EDITOR)
/* IsClass is made a getter here as a comparability
* patch for WinRT build targets, see Platform.cs */
if (instType.IsClass() || underlyingType != null)
{
#else
if (instType.IsClass || underlyingType != null)
{
#endif
return(null);
}
throw new JsonException(string.Format("Can't assign null to an instance of type {0}", instType));
}
if (reader.Token == JsonToken.Real ||
reader.Token == JsonToken.Natural ||
reader.Token == JsonToken.String ||
reader.Token == JsonToken.Boolean)
{
Type jsonType = reader.Value.GetType();
if (valueType.IsAssignableFrom(jsonType))
{
return(reader.Value);
}
// Try to find a custom or base importer
ImporterFunc importer = GetImporter(jsonType, valueType);
if (importer != null)
{
return(importer(reader.Value));
}
// Maybe it's an enum
#if JSON_WINRT || (UNITY_METRO && !UNITY_EDITOR)
/* IsClass is made a getter here as a comparability
* patch for WinRT build targets, see Platform.cs */
if (valueType.IsEnum())
{
#else
if (valueType.IsEnum)
{
#endif
return(Enum.ToObject(valueType, reader.Value));
}
// Try using an implicit conversion operator
MethodInfo convOp = GetConvOp(valueType, jsonType);
if (convOp != null)
{
return(convOp.Invoke(null, new object[] { reader.Value }));
}
// No luck
throw new JsonException(string.Format("Can't assign value '{0}' (type {1}) to type {2}", reader.Value, jsonType, instType));
}
object instance = null;
if (reader.Token == JsonToken.ArrayStart)
{
// If there's a custom importer that fits, use it
ImporterFunc importer = GetImporter(typeof(JsonData), instType);
if (importer != null)
{
instType = typeof(JsonData);
}
AddArrayMetadata(instType);
ArrayMetadata tdata = arrayMetadata[instType];
if (!tdata.IsArray && !tdata.IsList)
{
throw new JsonException(string.Format("Type {0} can't act as an array", instType));
}
IList list;
Type elemType;
if (!tdata.IsArray)
{
list = (IList)CreateInstance(instType);
elemType = tdata.ElementType;
}
else
{
//list = new ArrayList();
list = new List <object>();
elemType = instType.GetElementType();
}
while (true)
{
object item = ReadValue(elemType, reader);
if (item == null && reader.Token == JsonToken.ArrayEnd)
{
break;
}
list.Add(item);
}
if (tdata.IsArray)
{
int n = list.Count;
instance = Array.CreateInstance(elemType, n);
for (int i = 0; i < n; i++)
{
((Array)instance).SetValue(list[i], i);
}
}
else
{
instance = list;
}
if (importer != null)
{
instance = importer(instance);
}
}
else if (reader.Token == JsonToken.ObjectStart)
{
bool done = false;
string property = null;
reader.Read();
if (reader.Token == JsonToken.ObjectEnd)
{
done = true;
}
else
{
property = (string)reader.Value;
if (reader.TypeHinting && property == reader.HintTypeName)
{
reader.Read();
string typeName = (string)reader.Value;
reader.Read();
if ((string)reader.Value == reader.HintValueName)
{
valueType = Type.GetType(typeName);
object value = ReadValue(valueType, reader);
reader.Read();
if (reader.Token != JsonToken.ObjectEnd)
{
throw new JsonException(string.Format("Invalid type hinting object, has too many properties: {0}...", reader.Token));
}
return(value);
}
else
{
throw new JsonException(string.Format("Expected \"{0}\" property for type hinting but instead got \"{1}\"", reader.HintValueName, reader.Value));
}
}
}
// If there's a custom importer that fits, use to create a JsonData type instead.
// Once the object is deserialzied, it will be invoked to create the actual converted object.
ImporterFunc importer = GetImporter(typeof(JsonData), valueType);
if (importer != null)
{
valueType = typeof(JsonData);
}
ObjectMetadata tdata = AddObjectMetadata(valueType);
instance = CreateInstance(valueType);
bool firstRun = true;
while (!done)
{
if (firstRun)
{
firstRun = false;
}
else
{
reader.Read();
if (reader.Token == JsonToken.ObjectEnd)
{
break;
}
property = (string)reader.Value;
}
PropertyMetadata pdata;
if (tdata.Properties.TryGetValue(property, out pdata))
{
// Don't deserialize a field or property that has a JsonIgnore attribute with deserialization usage.
if ((pdata.Ignore & JsonIgnoreWhen.Deserializing) > 0)
{
ReadSkip(reader);
continue;
}
if (pdata.IsField)
{
((FieldInfo)pdata.Info).SetValue(instance, ReadValue(pdata.Type, reader));
}
else
{
PropertyInfo pinfo = (PropertyInfo)pdata.Info;
if (pinfo.CanWrite)
{
pinfo.SetValue(instance, ReadValue(pdata.Type, reader), null);
}
else
{
ReadValue(pdata.Type, reader);
}
}
}
else
{
if (!tdata.IsDictionary)
{
if (!reader.SkipNonMembers)
{
throw new JsonException(string.Format("The type {0} doesn't have the property '{1}'", instType, property));
}
else
{
ReadSkip(reader);
continue;
}
}
((IDictionary)instance).Add(property, ReadValue(tdata.ElementType, reader));
}
}
if (importer != null)
{
instance = importer(instance);
}
}
return(instance);
}
private static ObjectMetadata AddObjectMetadata(Type type)
{
if (objectMetadata.ContainsKey(type))
{
return(objectMetadata[type]);
}
ObjectMetadata data = new ObjectMetadata();
if (type.GetInterface("System.Collections.IDictionary") != null)
{
data.IsDictionary = true;
}
data.Properties = new Dictionary <string, PropertyMetadata>();
HashSet <string> ignoredMembers = new HashSet <string>();
object[] memberAttrs = type.GetCustomAttributes(typeof(JsonIgnoreMember), true);
foreach (JsonIgnoreMember memberAttr in memberAttrs)
{
ignoredMembers.UnionWith(memberAttr.Members);
}
// Get all kinds of declared properties
BindingFlags pflags = BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic;
foreach (PropertyInfo pinfo in type.GetProperties(pflags))
{
if (pinfo.Name == "Item")
{
ParameterInfo[] parameters = pinfo.GetIndexParameters();
if (parameters.Length != 1)
{
continue;
}
if (parameters[0].ParameterType == typeof(string))
{
data.ElementType = pinfo.PropertyType;
}
continue;
}
// Include properties automatically that have at least one public accessor
bool autoInclude =
(pinfo.GetGetMethod() != null && pinfo.GetGetMethod().IsPublic) ||
(pinfo.GetSetMethod() != null && pinfo.GetSetMethod().IsPublic);
// If neither accessor is public and we don't have a [JsonInclude] attribute, skip it
if (!autoInclude && pinfo.GetCustomAttributes(typeof(JsonInclude), true).Count() == 0)
{
continue;
}
PropertyMetadata pdata = new PropertyMetadata();
pdata.Info = pinfo;
pdata.Type = pinfo.PropertyType;
object[] ignoreAttrs = pinfo.GetCustomAttributes(typeof(JsonIgnore), true).ToArray();
if (ignoreAttrs.Length > 0)
{
pdata.Ignore = ((JsonIgnore)ignoreAttrs[0]).Usage;
}
else if (ignoredMembers.Contains(pinfo.Name))
{
pdata.Ignore = JsonIgnoreWhen.Serializing | JsonIgnoreWhen.Deserializing;
}
object[] aliasAttrs = pinfo.GetCustomAttributes(typeof(JsonAlias), true).ToArray();
if (aliasAttrs.Length > 0)
{
JsonAlias aliasAttr = (JsonAlias)aliasAttrs[0];
if (aliasAttr.Alias == pinfo.Name)
{
throw new JsonException(string.Format("Alias name '{0}' must be different from the property it represents for type '{1}'", pinfo.Name, type));
}
if (data.Properties.ContainsKey(aliasAttr.Alias))
{
throw new JsonException(string.Format("'{0}' already contains the property or alias name '{1}'", type, aliasAttr.Alias));
}
pdata.Alias = aliasAttr.Alias;
if (aliasAttr.AcceptOriginal)
{
data.Properties.Add(pinfo.Name, pdata);
}
}
if (pdata.Alias != null)
{
data.Properties.Add(pdata.Alias, pdata);
}
else
{
if (data.Properties.ContainsKey(pinfo.Name))
{
throw new JsonException(string.Format("'{0}' already contains the property or alias name '{1}'", type, pinfo.Name));
}
data.Properties.Add(pinfo.Name, pdata);
}
}
// Get all kinds of declared fields
BindingFlags fflags = BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic;
foreach (FieldInfo finfo in type.GetFields(fflags))
{
// If the field isn't public and doesn't have an [Include] attribute, skip it
if (!finfo.IsPublic && finfo.GetCustomAttributes(typeof(JsonInclude), true).Count() == 0)
{
continue;
}
PropertyMetadata pdata = new PropertyMetadata();
pdata.Info = finfo;
pdata.IsField = true;
pdata.Type = finfo.FieldType;
object[] ignoreAttrs = finfo.GetCustomAttributes(typeof(JsonIgnore), true).ToArray();
if (ignoreAttrs.Length > 0)
{
pdata.Ignore = ((JsonIgnore)ignoreAttrs[0]).Usage;
}
else if (ignoredMembers.Contains(finfo.Name))
{
pdata.Ignore = JsonIgnoreWhen.Serializing | JsonIgnoreWhen.Deserializing;
}
object[] aliasAttrs = finfo.GetCustomAttributes(typeof(JsonAlias), true).ToArray();
if (aliasAttrs.Length > 0)
{
JsonAlias aliasAttr = (JsonAlias)aliasAttrs[0];
if (aliasAttr.Alias == finfo.Name)
{
throw new JsonException(string.Format("Alias name '{0}' must be different from the field it represents for type '{1}'", finfo.Name, type));
}
if (data.Properties.ContainsKey(aliasAttr.Alias))
{
throw new JsonException(string.Format("'{0}' already contains the field or alias name '{1}'", type, aliasAttr.Alias));
}
pdata.Alias = aliasAttr.Alias;
if (aliasAttr.AcceptOriginal)
{
data.Properties.Add(finfo.Name, pdata);
}
}
if (pdata.Alias != null)
{
data.Properties.Add(pdata.Alias, pdata);
}
else
{
if (data.Properties.ContainsKey(finfo.Name))
{
throw new JsonException(string.Format("'{0}' already contains the field or alias name '{1}'", type, finfo.Name));
}
data.Properties.Add(finfo.Name, pdata);
}
}
objectMetadata.Add(type, data);
return(data);
}
private static void AddObjectMetadata(Type type)
{
if (object_metadata.ContainsKey(type))
{
return;
}
ObjectMetadata data = new ObjectMetadata();
if (type.GetInterface("System.Collections.IDictionary") != null)
{
data.IsDictionary = true;
}
data.Properties = new Dictionary <string, PropertyMetadata> ();
foreach (PropertyInfo p_info in type.GetProperties())
{
if (Attribute.IsDefined(p_info, typeof(JsonIgnoreAttribute), true))
{
continue;
}
if (p_info.Name == "Item")
{
ParameterInfo[] parameters = p_info.GetIndexParameters();
if (parameters.Length != 1)
{
continue;
}
if (parameters[0].ParameterType == typeof(string))
{
if (type is ILRuntime.Reflection.ILRuntimeWrapperType)
{
data.ElementType = ((ILRuntime.Reflection.ILRuntimeWrapperType)type).CLRType.GenericArguments[1].Value.ReflectionType;
}
else
{
data.ElementType = p_info.PropertyType;
}
}
continue;
}
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = p_info;
p_data.Type = p_info.PropertyType;
data.Properties.Add(p_info.Name, p_data);
}
foreach (FieldInfo f_info in type.GetFields())
{
if (Attribute.IsDefined(f_info, typeof(JsonIgnoreAttribute), true))
{
continue;
}
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = f_info;
p_data.IsField = true;
p_data.Type = f_info.FieldType;
data.Properties.Add(f_info.Name, p_data);
}
lock (object_metadata_lock) {
try {
object_metadata.Add(type, data);
} catch (ArgumentException) {
return;
}
}
}
static object ReadValue(Type inst_type, JsonReader reader, bool readBegin = true)
{
if (readBegin)
{
reader.Read();
}
if (reader.Token == JsonToken.ArrayEnd)
{
return(null);
}
if (reader.Token == JsonToken.Null || (reader.Token == JsonToken.String && String.IsNullOrEmpty((string)reader.Value) && !(inst_type == typeof(string))))
{
if (!inst_type.GetTypeInfo().IsClass&& !inst_type.IsArray)
{
throw new JsonException(String.Format("Can't assign null to an instance of type {0}", inst_type));
}
return(null);
}
if (inst_type.GetTypeInfo().IsGenericType&& inst_type.GetGenericTypeDefinition() == typeof(Nullable <>)) // isn't null -> has a value
{
return(Activator.CreateInstance(inst_type, ReadValue(inst_type.GetGenericArguments()[0], reader, false)));
}
if (reader.Token == JsonToken.Double ||
reader.Token == JsonToken.Int ||
reader.Token == JsonToken.Long ||
reader.Token == JsonToken.String ||
reader.Token == JsonToken.Boolean)
{
return(ConvertTo(inst_type, reader.Value, reader.Value.GetType()));
}
object instance = null;
if (reader.Token == JsonToken.ArrayStart)
{
AddArrayMetadata(inst_type);
ArrayMetadata t_data = array_metadata[inst_type];
if (!t_data.IsArray && !t_data.IsList)
{
throw new JsonException(String.Format("Type {0} can't act as an array", inst_type));
}
IList list;
Type elem_type;
if (!t_data.IsArray)
{
list = (IList)Activator.CreateInstance(inst_type);
elem_type = t_data.ElementType;
}
else
{
list = new List <object>();
elem_type = inst_type.GetElementType();
}
while (true)
{
object item = ReadValue(elem_type, reader);
if (item == null && reader.Token == JsonToken.ArrayEnd)
{
break;
}
list.Add(item);
}
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(inst_type);
ObjectMetadata t_data = object_metadata[inst_type];
instance = Activator.CreateInstance(inst_type);
while (true)
{
reader.Read();
if (reader.Token == JsonToken.ObjectEnd)
{
break;
}
var property = (string)reader.Value;
PropertyMetadata prop_data;
if (TryGetValueIgnCase(t_data.Properties, property, out prop_data))
{
if (prop_data.IsField)
{
((FieldInfo)prop_data.Info).SetValue(instance, ReadValue(prop_data.Type, reader));
}
else
{
var p_info = (PropertyInfo)prop_data.Info;
var v = ReadValue(prop_data.Type, reader);
if (p_info.CanWrite)
{
p_info.SetValue(instance, ConvertTo(p_info.PropertyType, v), null);
}
}
}
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;
}
((IDictionary)instance).Add(property, ReadValue(t_data.ElementType, reader));
}
}
}
return(instance);
}
private static void AddObjectMetadata (Type type)
{
if (object_metadata.Contains(type))
return;
ObjectMetadata data = new ObjectMetadata();
if (type.GetInterface("System.Collections.IDictionary") != null)
data.IsDictionary = true;
data.Properties = new Hashtable();
foreach (PropertyInfo p_info in type.GetProperties ()) {
if (p_info.Name == "Item") {
ParameterInfo[] parameters = p_info.GetIndexParameters();
if (parameters.Length != 1)
continue;
if (parameters[0].ParameterType == typeof (string))
data.ElementType = p_info.PropertyType;
continue;
}
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = p_info;
p_data.Type = p_info.PropertyType;
data.Properties.Add(p_info.Name, p_data);
}
foreach (FieldInfo f_info in type.GetFields()) {
PropertyMetadata p_data = new PropertyMetadata();
p_data.Info = f_info;
p_data.IsField = true;
p_data.Type = f_info.FieldType;
data.Properties.Add(f_info.Name, p_data);
}
lock (object_metadata_lock) {
try {
object_metadata.Add(type, data);
} catch (ArgumentException) {
return;
}
}
}
public static T ReadValueEx <T>(JsonReader reader)
{
Type inst_type = typeof(T);
while (reader.Read())
{
if (reader.Token == JsonToken.ArrayEnd || reader.Token == JsonToken.Null)
{
return(default(T));
}
if (reader.Token == JsonToken.ArrayStart || reader.Token == JsonToken.ObjectStart)
{
break;
}
}
object instance = null;
if (reader.Token == JsonToken.ArrayStart)
{
AddArrayMetadata(inst_type);
ArrayMetadata t_data = array_metadata[inst_type];
if (!t_data.IsArray && !t_data.IsList)
{
throw new JsonException(String.Format(
"Type {0} can't act as an array",
inst_type));
}
IList list;
Type elem_type;
if (!t_data.IsArray)
{
list = (IList)Activator.CreateInstance(inst_type);
elem_type = t_data.ElementType;
}
else
{
list = new ArrayList();
elem_type = inst_type.GetElementType();
}
while (true)
{
object item = ReadValue(elem_type, reader);
if (item == null && reader.Token == JsonToken.ArrayEnd)
{
break;
}
list.Add(item);
}
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(inst_type);
ObjectMetadata t_data = object_metadata[inst_type];
instance = Activator.CreateInstance(inst_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));
}
else
{
ReadSkip(reader);
continue;
}
}
((IDictionary)instance).Add(
property, ReadValue(
t_data.ElementType, reader));
}
}
}
if (instance == null)
{
return(default(T));
}
return((T)instance);
}