private object CoerceType(Type targetType, IDictionary value, out Dictionary <string, MemberInfo> memberMap)
{
object newValue = this.InstantiateObject(targetType, out memberMap);
if (memberMap != null)
{
// copy any values into new object
foreach (object key in value.Keys)
{
MemberInfo memberInfo;
Type memberType = TypeCoercionUtility.GetMemberInfo(memberMap, key as String, out memberInfo);
this.SetMemberValue(newValue, memberType, memberInfo, value[key]);
}
}
return(newValue);
}
private object ReadObject(Type objectType)
{
if (this.Source[this.index] != JsonReader.OperatorObjectStart)
{
throw new JsonDeserializationException(JsonReader.ErrorExpectedObject, this.index);
}
Type genericDictionaryType = null;
Dictionary <string, MemberInfo> memberMap = null;
Object result;
if (objectType != null)
{
result = this.Settings.Coercion.InstantiateObject(objectType, out memberMap);
if (memberMap == null)
{
// this allows specific IDictionary<string, T> to deserialize T
Type genericDictionary = objectType.GetInterface(JsonReader.TypeGenericIDictionary);
if (genericDictionary != null)
{
Type[] genericArgs = genericDictionary.GetGenericArguments();
if (genericArgs.Length == 2)
{
if (genericArgs[0] != typeof(String))
{
throw new JsonDeserializationException(
String.Format(JsonReader.ErrorGenericIDictionaryKeys, objectType),
this.index);
}
if (genericArgs[1] != typeof(Object))
{
genericDictionaryType = genericArgs[1];
}
}
}
}
}
else
{
result = new Dictionary <String, Object>();
}
JsonToken token;
do
{
Type memberType;
MemberInfo memberInfo;
// consume opening brace or delim
this.index++;
if (this.index >= this.SourceLength)
{
throw new JsonDeserializationException(JsonReader.ErrorUnterminatedObject, this.index);
}
// get next token
token = this.Tokenize(this.Settings.AllowUnquotedObjectKeys);
if (token == JsonToken.ObjectEnd)
{
break;
}
if (token != JsonToken.String && token != JsonToken.UnquotedName)
{
throw new JsonDeserializationException(JsonReader.ErrorExpectedPropertyName, this.index);
}
// parse object member value
string memberName = (token == JsonToken.String) ?
(String)this.ReadString(null) :
this.ReadUnquotedKey();
if (genericDictionaryType == null && memberMap != null)
{
// determine the type of the property/field
memberType = TypeCoercionUtility.GetMemberInfo(memberMap, memberName, out memberInfo);
}
else
{
memberType = genericDictionaryType;
memberInfo = null;
}
// get next token
token = this.Tokenize();
if (token != JsonToken.NameDelim)
{
throw new JsonDeserializationException(JsonReader.ErrorExpectedPropertyNameDelim, this.index);
}
// consume delim
this.index++;
if (this.index >= this.SourceLength)
{
throw new JsonDeserializationException(JsonReader.ErrorUnterminatedObject, this.index);
}
// parse object member value
object value = this.Read(memberType, false);
if (result is IDictionary)
{
if (objectType == null && this.Settings.IsTypeHintName(memberName))
{
result = this.Settings.Coercion.ProcessTypeHint((IDictionary)result, value as string, out objectType, out memberMap);
}
else
{
((IDictionary)result)[memberName] = value;
}
}
else if (objectType.GetInterface(JsonReader.TypeGenericIDictionary) != null)
{
throw new JsonDeserializationException(
String.Format(JsonReader.ErrorGenericIDictionary, objectType),
this.index);
}
else
{
this.Settings.Coercion.SetMemberValue(result, memberType, memberInfo, value);
}
// get next token
token = this.Tokenize();
} while (token == JsonToken.ValueDelim);
if (token != JsonToken.ObjectEnd)
{
throw new JsonDeserializationException(JsonReader.ErrorUnterminatedObject, this.index);
}
// consume closing brace
this.index++;
return(result);
}
protected virtual object ReadObject(Type objectType)
{
if (Source[index] != '{')
{
throw new JsonDeserializationException("Expected JSON object.", index);
}
Type type = null;
Dictionary <string, MemberInfo> memberMap = null;
object obj;
if (objectType != null)
{
obj = Settings.Coercion.InstantiateObject(objectType, out memberMap);
if (memberMap == null)
{
Type @interface = objectType.GetInterface("System.Collections.Generic.IDictionary`2");
if (@interface != null)
{
Type[] genericArguments = @interface.GetGenericArguments();
if (genericArguments.Length == 2)
{
if (genericArguments[0] != typeof(string))
{
throw new JsonDeserializationException($"Types which implement Generic IDictionary<TKey, TValue> need to have string keys to be deserialized. ({objectType})", index);
}
if (genericArguments[1] != typeof(object))
{
type = genericArguments[1];
}
}
}
}
}
else
{
obj = new Dictionary <string, object>();
}
JsonToken jsonToken;
do
{
index++;
if (index >= SourceLength)
{
throw new JsonDeserializationException("Unterminated JSON object.", index);
}
jsonToken = Tokenize(Settings.AllowUnquotedObjectKeys);
switch (jsonToken)
{
default:
throw new JsonDeserializationException("Expected JSON object property name.", index);
case JsonToken.String:
case JsonToken.UnquotedName:
{
string text = (jsonToken != JsonToken.String) ? ReadUnquotedKey() : ((string)ReadString(null));
Type type2;
MemberInfo memberInfo;
if (type == null && memberMap != null)
{
type2 = TypeCoercionUtility.GetMemberInfo(memberMap, text, out memberInfo);
}
else
{
type2 = type;
memberInfo = null;
}
jsonToken = Tokenize();
if (jsonToken != JsonToken.NameDelim)
{
throw new JsonDeserializationException("Expected JSON object property name delimiter.", index);
}
index++;
if (index >= SourceLength)
{
throw new JsonDeserializationException("Unterminated JSON object.", index);
}
object obj2 = Read(type2, typeIsHint: false);
if (obj is IDictionary)
{
if (objectType == null && Settings.IsTypeHintName(text))
{
obj = Settings.Coercion.ProcessTypeHint((IDictionary)obj, obj2 as string, out objectType, out memberMap);
}
else
{
((IDictionary)obj)[text] = obj2;
}
}
else
{
if (objectType.GetInterface("System.Collections.Generic.IDictionary`2") != null)
{
throw new JsonDeserializationException($"Types which implement Generic IDictionary<TKey, TValue> also need to implement IDictionary to be deserialized. ({objectType})", index);
}
Settings.Coercion.SetMemberValue(obj, type2, memberInfo, obj2);
}
goto IL_0270;
}
case JsonToken.ObjectEnd:
break;
}
break;
IL_0270:
jsonToken = Tokenize();
}while (jsonToken == JsonToken.ValueDelim);
if (jsonToken != JsonToken.ObjectEnd)
{
throw new JsonDeserializationException("Unterminated JSON object.", index);
}
index++;
return(obj);
}