internal void Serialize(StreamWriter streamWriter, object obj, PropertyMetaData propertyMetaData)
{
ISerializer serializer;
if (propertyMetaData.UsesFlagsAttributes.Any() == false)
{
serializer = this.serializerResolver.GetSerializer(obj.GetType());
}
else
{
var usesFlag = this.Evaluate(propertyMetaData.UsesFlagsAttributes);
if (usesFlag == null)
{
return;
}
serializer = this.serializerResolver.GetSerializer(usesFlag.Type);
}
if (propertyMetaData.Type.IsValueType)
{
if (propertyMetaData.Type.IsPrimitive || propertyMetaData.Type.IsEnum)
{
obj = Convert.ChangeType(obj, serializer.Type);
}
}
serializer.Serialize(streamWriter, this, obj, propertyMetaData: propertyMetaData);
}
internal object Deserialize(StreamReader streamReader, PropertyMetaData propertyMetaData)
{
if (propertyMetaData.UsesFlagsAttributes.Any() == false)
{
return(null);
}
var usesFlag = this.Evaluate(propertyMetaData.UsesFlagsAttributes);
if (usesFlag == null)
{
return(null);
}
var serializer = this.serializerResolver.GetSerializer(usesFlag.Type);
var value = serializer.Deserialize(streamReader, this, propertyMetaData);
if (propertyMetaData.Type.IsValueType)
{
if (propertyMetaData.Type.IsPrimitive)
{
return(Convert.ChangeType(value, propertyMetaData.Type));
}
if (propertyMetaData.Type.IsEnum)
{
return(Convert.ChangeType(value, Enum.GetUnderlyingType(propertyMetaData.Type)));
}
}
return(value);
}
internal void Serialize(StreamWriter streamWriter, object obj, PropertyMetaData propertyMetaData)
{
ISerializer serializer;
if (propertyMetaData.UsesFlagsAttributes.Any() == false)
{
serializer = this.serializerResolver.GetSerializer(obj.GetType());
}
else
{
var usesFlag = this.Evaluate(propertyMetaData.UsesFlagsAttributes);
if (usesFlag == null)
{
return;
}
serializer = this.serializerResolver.GetSerializer(usesFlag.Type);
}
if (propertyMetaData.Type.IsValueType)
{
if (propertyMetaData.Type.IsPrimitive || propertyMetaData.Type.IsEnum)
{
obj = Convert.ChangeType(obj, serializer.Type);
}
}
serializer.Serialize(streamWriter, this, obj, propertyMetaData: propertyMetaData);
}
internal object Deserialize(StreamReader streamReader, PropertyMetaData propertyMetaData)
{
if (propertyMetaData.UsesFlagsAttributes.Any() == false)
{
return null;
}
var usesFlag = this.Evaluate(propertyMetaData.UsesFlagsAttributes);
if (usesFlag == null)
{
return null;
}
var serializer = this.serializerResolver.GetSerializer(usesFlag.Type);
var value = serializer.Deserialize(streamReader, this, propertyMetaData);
if (propertyMetaData.Type.IsValueType)
{
if (propertyMetaData.Type.IsPrimitive)
{
return Convert.ChangeType(value, propertyMetaData.Type);
}
if (propertyMetaData.Type.IsEnum)
{
return Convert.ChangeType(value, Enum.GetUnderlyingType(propertyMetaData.Type));
}
}
return value;
}
private Expression CreatePropertySerializer(
ParameterExpression streamWriterExpression,
ParameterExpression serializationContextExpression,
PropertyMetaData propertyMetaData,
ParameterExpression objectToSerialize)
{
Expression propertyExpression = Expression.Property(objectToSerialize, propertyMetaData.Property);
if (ReflectionHelper.IsStruct(propertyMetaData.Type))
{
propertyExpression = Expression.Convert(propertyExpression, typeof(object));
}
if (propertyMetaData.UsesFlagsAttributes.Any())
{
var serializeMethodInfo =
ReflectionHelper.GetMethodInfo<SerializationContext, Action<StreamWriter, object, PropertyMetaData>>
(o => o.Serialize);
var args = new Expression[]
{
streamWriterExpression, Expression.Convert(propertyExpression, typeof(object)),
Expression.Constant(propertyMetaData, typeof(PropertyMetaData))
};
var callSerializeExpression = Expression.Call(serializationContextExpression, serializeMethodInfo, args);
return callSerializeExpression;
}
var propertySerializer = this.serializerResolver(propertyMetaData.Type);
var serializerExpression = propertySerializer.SerializerExpression(
streamWriterExpression, serializationContextExpression, propertyExpression, propertyMetaData);
return serializerExpression;
}
private Expression CreatePropertyDeserializer(
ParameterExpression streamReaderExpression,
ParameterExpression serializationContextExpression,
PropertyMetaData propertyMetaData,
ParameterExpression deserializedObject)
{
Expression propertyExpression = Expression.Property(deserializedObject, propertyMetaData.Property);
if (propertyMetaData.UsesFlagsAttributes.Any())
{
var serializeMethodInfo =
ReflectionHelper.GetMethodInfo<SerializationContext, Func<StreamReader, PropertyMetaData, object>>(
o => o.Deserialize);
var args = new Expression[]
{
streamReaderExpression, Expression.Constant(propertyMetaData, typeof(PropertyMetaData))
};
var callSerializeExpression = Expression.Call(serializationContextExpression, serializeMethodInfo, args);
return Expression.Assign(
propertyExpression, Expression.Convert(callSerializeExpression, propertyMetaData.Type));
}
var propertySerializer = this.serializerResolver(propertyMetaData.Type);
var deserializerExpression = propertySerializer.DeserializerExpression(
streamReaderExpression, serializationContextExpression, propertyExpression, propertyMetaData);
return deserializerExpression;
}
