/// <summary>String to type.</summary>
/// <exception cref="CreateSerializationError"> Thrown when a create serialization error error
/// condition occurs.</exception>
/// <exception cref="GetSerializationException">Thrown when a Get Serialization error condition
/// occurs.</exception>
/// <param name="type"> The type.</param>
/// <param name="strType"> The type.</param>
/// <param name="ctorFn"> The constructor function.</param>
/// <param name="typeAccessorMap">The type accessor map.</param>
/// <returns>An object.</returns>
internal static object StringToType(
Type type,
string strType,
EmptyCtorDelegate ctorFn,
Dictionary <string, TypeAccessor> typeAccessorMap)
{
var index = 0;
if (strType == null)
{
return(null);
}
//if (!Serializer.EatMapStartChar(strType, ref index))
if (strType[index++] != JsWriter.MapStartChar)
{
throw DeserializeTypeRef.CreateSerializationError(type, strType);
}
if (JsonTypeSerializer.IsEmptyMap(strType))
{
return(ctorFn());
}
object instance = null;
var strTypeLength = strType.Length;
while (index < strTypeLength)
{
var propertyName = Serializer.EatMapKey(strType, ref index);
//Serializer.EatMapKeySeperator(strType, ref index);
index++;
var propertyValueStr = Serializer.EatValue(strType, ref index);
var possibleTypeInfo = propertyValueStr != null && propertyValueStr.Length > 1;
if (possibleTypeInfo && propertyName == JsWriter.TypeAttr)
{
var explicitTypeName = Serializer.ParseString(propertyValueStr);
var explicitType = AssemblyUtils.FindType(explicitTypeName);
if (explicitType != null && !explicitType.IsInterface() && !explicitType.IsAbstract())
{
instance = explicitType.CreateInstance();
}
if (instance == null)
{
Tracer.Instance.WriteWarning("Could not find type: " + propertyValueStr);
}
else
{
//If __type info doesn't match, ignore it.
if (!type.InstanceOfType(instance))
{
instance = null;
}
else
{
var derivedType = instance.GetType();
if (derivedType != type)
{
var derivedTypeConfig = new TypeConfig(derivedType);
var map = DeserializeTypeRef.GetTypeAccessorMap(derivedTypeConfig, Serializer);
if (map != null)
{
typeAccessorMap = map;
}
}
}
}
//Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
if (index != strType.Length)
{
index++;
}
continue;
}
if (instance == null)
{
instance = ctorFn();
}
TypeAccessor typeAccessor;
typeAccessorMap.TryGetValue(propertyName, out typeAccessor);
var propType = possibleTypeInfo && propertyValueStr[0] == '_' ? TypeAccessor.ExtractType(Serializer, propertyValueStr) : null;
if (propType != null)
{
try
{
if (typeAccessor != null)
{
var parseFn = Serializer.GetParseFn(propType);
var propertyValue = parseFn(propertyValueStr);
typeAccessor.SetProperty(instance, propertyValue);
}
//Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
if (index != strType.Length)
{
index++;
}
continue;
}
catch (Exception e)
{
if (JsConfig.ThrowOnDeserializationError)
{
throw DeserializeTypeRef.GetSerializationException(propertyName, propertyValueStr, propType, e);
}
else
{
Tracer.Instance.WriteWarning("WARN: failed to set dynamic property {0} with: {1}", propertyName, propertyValueStr);
}
}
}
if (typeAccessor != null && typeAccessor.GetProperty != null && typeAccessor.SetProperty != null)
{
try
{
var propertyValue = typeAccessor.GetProperty(propertyValueStr);
typeAccessor.SetProperty(instance, propertyValue);
}
catch (Exception e)
{
if (JsConfig.ThrowOnDeserializationError)
{
throw DeserializeTypeRef.GetSerializationException(propertyName, propertyValueStr, propType, e);
}
else
{
Tracer.Instance.WriteWarning("WARN: failed to set property {0} with: {1}", propertyName, propertyValueStr);
}
}
}
//Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
if (index != strType.Length)
{
index++;
}
}
return(instance);
}
