internal ConvertMember(MemberInfo member, ConverterBuilderAssistant assistant)
{
switch (member)
{
case PropertyInfo property:
Type = property.PropertyType;
break;
case FieldInfo field:
Type = field.FieldType;
break;
default:
throw new NotImplementedException();
}
Name = member.Name;
Assistant = assistant;
ConvertMemberAttributeArray = member.GetCustomAttributes <ConvertMemberAttribute>().DefaultIfEmpty(new ConvertMemberAttribute()).ToArray();
foreach (var attribute in ConvertMemberAttributeArray)
{
attribute.SetConvertMember(this);
}
if (Type.IsArray)
{
ConvertType = Type.GetElementType();
}
else
{
ConvertType = Type;
}
ConvertType = ConvertType.IsEnum ? typeof(Int32) : ConvertType;
ConvertType = ConvertMemberAttributeArray.Aggregate(ConvertType, (type, attribute) => attribute.OnGetConvertType(type));
Endian = ConvertMemberAttributeArray.Aggregate(Endian.Dynamic, (endian, attribute) => attribute.OnGetEndian(endian));
}
internal Expression CreateGetBytes(ParameterExpression obj, GeneratorContext context)
{
var value = Expression.PropertyOrField(obj, Name);
var littleEndian = GetLittleEndian(context.LittleEndian);
var bytes = CreateGetBytes(ConvertType, value, littleEndian);
var bytesResult = ConvertMemberAttributeArray.Aggregate(bytes, (result, attribute) => attribute.OnCreateGetBytes(obj, context, result));
return(bytesResult);
}
internal Expression CreateToObject(ParameterExpression bytes, ParameterExpression startIndex, GeneratorContext context)
{
var loopBreak = Expression.Label();
Func <Expression, Expression> loopController = (Expression block) => Expression.Loop(Expression.Break(loopBreak), loopBreak);
loopController = ConvertMemberAttributeArray.Aggregate(loopController, (result, member) => member.OnGetLoopController(bytes, startIndex, context, result));
var littleEndian = GetLittleEndian(context.LittleEndian);
var obj = CreateToObject(ConvertType, Type, bytes, startIndex, littleEndian, loopController);
return(ConvertMemberAttributeArray.Aggregate(obj, (result, attribute) => attribute.OnCreateToObject(bytes, startIndex, context, result)));
}
