public static DynamicBuilder CreateBuilder(DataRecordExtended dataRecord, Type type)
{
var props = DeepCloner.GetFastDeepClonerProperties(type);
DynamicBuilder dynamicBuilder = new DynamicBuilder();
DynamicMethod method = new DynamicMethod("DynamicCreate", type, new Type[] { typeof(DataRecordExtended) }, type, true);
ILGenerator generator = method.GetILGenerator();
LocalBuilder result = generator.DeclareLocal(type);
generator.Emit(OpCodes.Newobj, type.GetConstructor(Type.EmptyTypes));
generator.Emit(OpCodes.Stloc, result);
for (int i = 0; i < dataRecord.FieldCount; i++)
{
var columnName = dataRecord.GetName(i);
var prop = DeepCloner.GetProperty(type, columnName);
if (prop == null)
{
prop = props.FirstOrDefault(x => x.GetPropertyName() == columnName);
}
if (prop != null && prop.PropertySetValue != null)
{
var propType = prop.PropertyType;
if (propType.IsGenericType && propType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
propType = propType.GetGenericArguments()?.FirstOrDefault() ?? propType;
}
var dataEncode = prop.GetCustomAttribute <DataEncode>();
var toBase64String = prop.GetCustomAttribute <ToBase64String>();
generator.Emit(OpCodes.Ldloc, result);
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Ldc_I4, i);
generator.Emit(OpCodes.Ldstr, dataEncode?.Key ?? "");
generator.Emit(OpCodes.Ldstr, dataEncode?.KeySize.ToString() ?? "");
generator.Emit(OpCodes.Ldc_I4, toBase64String != null ? 1 : 0);
generator.Emit(OpCodes.Ldstr, propType.ToString());
generator.Emit(OpCodes.Ldstr, dataRecord.GetFieldType(i).ToString());
generator.Emit(OpCodes.Ldstr, prop.PropertyType.AssemblyQualifiedName);
generator.Emit(OpCodes.Callvirt, getValueMethod);
generator.Emit(OpCodes.Unbox_Any, prop.PropertyType);
generator.Emit(OpCodes.Callvirt, prop.PropertySetValue);
}
}
generator.Emit(OpCodes.Ldloc, result);
generator.Emit(OpCodes.Ret);
dynamicBuilder.handler = (Load)method.CreateDelegate(typeof(Load));
return(dynamicBuilder);
}
public object Build(DataRecordExtended dataRecord)
{
return(handler(dataRecord));
}
