/// <summary>
/// Set weave result
/// </summary>
/// <param name="result">Result</param>
public void SetWeaveResult(WeaveResult result)
{
_weaveResult = result;
}
private WeaveResult WeaveProperty(PropertyDefinition prop, TypeDefinition type, Dictionary <string, Tuple <MethodReference, MethodReference> > methodTable)
{
var columnName = prop.Name;
var mapToAttribute = prop.CustomAttributes.FirstOrDefault(a => a.AttributeType.Name == "MapToAttribute");
if (mapToAttribute != null)
{
columnName = (string)mapToAttribute.ConstructorArguments[0].Value;
}
var backingField = prop.GetBackingField();
var isIndexed = prop.CustomAttributes.Any(a => a.AttributeType.Name == "IndexedAttribute");
if (isIndexed && (!_indexableTypes.Contains(prop.PropertyType.FullName)))
{
return(WeaveResult.Error($"{type.Name}.{prop.Name} is marked as [Indexed] which is only allowed on integral types as well as string, bool and DateTimeOffset, not on {prop.PropertyType.FullName}."));
}
var isPrimaryKey = prop.CustomAttributes.Any(a => a.AttributeType.Name == "PrimaryKeyAttribute");
if (isPrimaryKey && (!_primaryKeyTypes.Contains(prop.PropertyType.FullName)))
{
return(WeaveResult.Error($"{type.Name}.{prop.Name} is marked as [PrimaryKey] which is only allowed on integral and string types, not on {prop.PropertyType.FullName}."));
}
if (!prop.IsAutomatic())
{
if (prop.PropertyType.Resolve().BaseType.IsSameAs(_realmObject))
{
return(WeaveResult.Warning($"{type.Name}.{columnName} is not an automatic property but its type is a RealmObject which normally indicates a relationship."));
}
return(WeaveResult.Skipped());
}
if (_typeTable.ContainsKey(prop.PropertyType.FullName))
{
// If the property is automatic but doesn't have a setter, we should still ignore it.
if (prop.SetMethod == null)
{
return(WeaveResult.Skipped());
}
var typeId = prop.PropertyType.FullName + (isPrimaryKey ? " unique" : string.Empty);
if (!methodTable.ContainsKey(typeId))
{
var getter = _realmObject.LookupMethodReference("Get" + _typeTable[prop.PropertyType.FullName] + "Value", ModuleDefinition);
var setter = _realmObject.LookupMethodReference("Set" + _typeTable[prop.PropertyType.FullName] + "Value" + (isPrimaryKey ? "Unique" : string.Empty), ModuleDefinition);
methodTable[typeId] = Tuple.Create(getter, setter);
}
ReplaceGetter(prop, columnName, methodTable[typeId].Item1);
ReplaceSetter(prop, backingField, columnName, methodTable[typeId].Item2);
}
// treat IList and RealmList similarly but IList gets a default so is useable as standalone
// IList or RealmList allows people to declare lists only of _realmObject due to the class definition
else if (prop.IsIList())
{
var elementType = ((GenericInstanceType)prop.PropertyType).GenericArguments.Single();
if (!elementType.Resolve().BaseType.IsSameAs(_realmObject))
{
return(WeaveResult.Warning($"SKIPPING {type.Name}.{columnName} because it is an IList but its generic type is not a RealmObject subclass, so will not persist."));
}
if (prop.SetMethod != null)
{
return(WeaveResult.Error($"{type.Name}.{columnName} has a setter but its type is a IList which only supports getters."));
}
var concreteListType = new GenericInstanceType(_system_IList)
{
GenericArguments = { elementType }
};
var listConstructor = concreteListType.Resolve().GetConstructors().Single(c => c.IsPublic && c.Parameters.Count == 0);
var concreteListConstructor = listConstructor.MakeHostInstanceGeneric(elementType);
// weaves list getter which also sets backing to List<T>, forcing it to accept us setting it post-init
var backingDef = backingField as FieldDefinition;
if (backingDef != null)
{
backingDef.Attributes &= ~FieldAttributes.InitOnly; // without a set; auto property has this flag we must clear
}
ReplaceListGetter(prop, backingField, columnName,
new GenericInstanceMethod(_genericGetListValueReference)
{
GenericArguments = { elementType }
},
ModuleDefinition.ImportReference(concreteListConstructor));
}
else if (prop.PropertyType.Resolve().BaseType.IsSameAs(_realmObject))
{
if (!prop.IsAutomatic())
{
return(WeaveResult.Warning($"{type.Name}.{columnName} is not an automatic property but its type is a RealmObject which normally indicates a relationship."));
}
// with casting in the _realmObject methods, should just work
ReplaceGetter(prop, columnName,
new GenericInstanceMethod(_genericGetObjectValueReference)
{
GenericArguments = { prop.PropertyType }
});
ReplaceSetter(prop, backingField, columnName,
new GenericInstanceMethod(_genericSetObjectValueReference)
{
GenericArguments = { prop.PropertyType }
});
}
else if (prop.PropertyType.FullName == "System.DateTime")
{
return(WeaveResult.Error($"Class '{type.Name}' field '{prop.Name}' is a DateTime which is not supported - use DateTimeOffset instead."));
}
else if (prop.PropertyType.FullName == "System.Nullable`1<System.DateTime>")
{
return(WeaveResult.Error($"Class '{type.Name}' field '{prop.Name}' is a DateTime? which is not supported - use DateTimeOffset? instead."));
}
else
{
return(WeaveResult.Error($"Class '{type.Name}' field '{columnName}' is a '{prop.PropertyType}' which is not yet supported."));
}
var preserveAttribute = new CustomAttribute(_preserveAttributeConstructor);
prop.CustomAttributes.Add(preserveAttribute);
var wovenPropertyAttribute = new CustomAttribute(_wovenPropertyAttributeConstructor);
prop.CustomAttributes.Add(wovenPropertyAttribute);
Debug.WriteLine(string.Empty);
var primaryKeyMsg = isPrimaryKey ? "[PrimaryKey]" : string.Empty;
var indexedMsg = isIndexed ? "[Indexed]" : string.Empty;
LogDebug($"Woven {type.Name}.{prop.Name} as a {prop.PropertyType.FullName} {primaryKeyMsg} {indexedMsg}.");
return(WeaveResult.Success(prop, backingField, isPrimaryKey));
}
