/// <summary> /// Prepares generation by processing the result of code parsing. /// </summary> private void Prepare() { TypeModel.MapModelTypes(TypeModels, ModelsNamespace); var isInMemoryMode = Config.ModelsMode == ModelsMode.InMemoryAuto; // for the first two of these two tests, // always throw, even in InMemory mode: cannot happen unless ppl start fidling with attributes to rename // things, and then they should pay attention to the generation error log - there's no magic here // for the last one, don't throw in InMemory mode, see comment // ensure we have no duplicates type names foreach (var xx in TypeModels.GroupBy(x => x.ClrName).Where(x => x.Count() > 1)) { throw new InvalidOperationException($"Type name \"{xx.Key}\" is used" + $" for types with alias {string.Join(", ", xx.Select(x => x.ItemType + ":\"" + x.Alias + "\""))}. Names have to be unique." + " Consider using an attribute to assign different names to conflicting types."); } // ensure we have no duplicates property names foreach (var typeModel in TypeModels) { foreach (var xx in typeModel.Properties.GroupBy(x => x.ClrName).Where(x => x.Count() > 1)) { throw new InvalidOperationException($"Property name \"{xx.Key}\" in type {typeModel.ItemType}:\"{typeModel.Alias}\"" + $" is used for properties with alias {string.Join(", ", xx.Select(x => "\"" + x.Alias + "\""))}. Names have to be unique." + " Consider using an attribute to assign different names to conflicting properties."); } } // ensure content & property type don't have identical name (csharp hates it) foreach (var typeModel in TypeModels) { foreach (var xx in typeModel.Properties.Where(x => x.ClrName == typeModel.ClrName)) { if (!isInMemoryMode) { throw new InvalidOperationException($"The model class for content type with alias \"{typeModel.Alias}\" is named \"{xx.ClrName}\"." + $" CSharp does not support using the same name for the property with alias \"{xx.Alias}\"." + " Consider using an attribute to assign a different name to the property."); } // in InMemory mode we generate commented out properties with an error message, // instead of throwing, because then it kills the sites and ppl don't understand why xx.AddError($"The class {typeModel.ClrName} cannot implement this property, because" + $" CSharp does not support naming the property with alias \"{xx.Alias}\" with the same name as content type with alias \"{typeModel.Alias}\"." + " Consider using an attribute to assign a different name to the property."); // will not be implemented on interface nor class // note: we will still create the static getter, and implement the property on other classes... } } // ensure we have no collision between base types // NO: we may want to define a base class in a partial, on a model that has a parent // we are NOT checking that the defined base type does maintain the inheritance chain //foreach (var xx in _typeModels.Where(x => !x.IsContentIgnored).Where(x => x.BaseType != null && x.HasBase)) // throw new InvalidOperationException(string.Format("Type alias \"{0}\" has more than one parent class.", // xx.Alias)); // discover interfaces that need to be declared / implemented foreach (var typeModel in TypeModels) { // collect all the (non-removed) types implemented at parent level // ie the parent content types and the mixins content types, recursively var parentImplems = new List <TypeModel>(); if (typeModel.BaseType != null) { TypeModel.CollectImplems(parentImplems, typeModel.BaseType); } // interfaces we must declare we implement (initially empty) // ie this type's mixins, except those that have been removed, // and except those that are already declared at the parent level // in other words, DeclaringInterfaces is "local mixins" var declaring = typeModel.MixinTypes .Except(parentImplems); typeModel.DeclaringInterfaces.AddRange(declaring); // interfaces we must actually implement (initially empty) // if we declare we implement a mixin interface, we must actually implement // its properties, all recursively (ie if the mixin interface implements...) // so, starting with local mixins, we collect all the (non-removed) types above them var mixinImplems = new List <TypeModel>(); foreach (var i in typeModel.DeclaringInterfaces) { TypeModel.CollectImplems(mixinImplems, i); } // and then we remove from that list anything that is already declared at the parent level typeModel.ImplementingInterfaces.AddRange(mixinImplems.Except(parentImplems)); } // ensure elements don't inherit from non-elements foreach (var typeModel in TypeModels.Where(x => x.IsElement)) { if (typeModel.BaseType != null && !typeModel.BaseType.IsElement) { throw new InvalidOperationException($"Cannot generate model for type '{typeModel.Alias}' because it is an element type, but its parent type '{typeModel.BaseType.Alias}' is not."); } var errs = typeModel.MixinTypes.Where(x => !x.IsElement).ToList(); if (errs.Count > 0) { throw new InvalidOperationException($"Cannot generate model for type '{typeModel.Alias}' because it is an element type, but it is composed of {string.Join(", ", errs.Select(x => "'" + x.Alias + "'"))} which {(errs.Count == 1 ? "is" : "are")} not."); } } }