public static BuilderClass?TryConvertToBuilder(this ClassDeclarationSyntax @class, Compilation compilation)
{
var attributes = @class.AttributeLists.SelectMany(x => x.Attributes).ToList();
if (attributes.Any(x => x.Name.ToString() == AttributeName <SimpleBuilderAttribute> .GetPlainName()))
{
return(BuildBuilderClass((typeSymbol, usedNamespace) => new SimpleBuilderClass(typeSymbol, usedNamespace)));
}
if (attributes.Any(x => x.Name.ToString() == AttributeName <SequentialBuilderAttribute> .GetPlainName()))
{
return(BuildBuilderClass((typeSymbol, usedNamespace) => new SequentialBuilderClass(typeSymbol, usedNamespace)));
}
return(null);
BuilderClass?BuildBuilderClass(Func <ITypeSymbol, string[], BuilderClass> create)
{
var usedNamespaces = @class
.SyntaxTree
.GetRoot()
.DescendantNodes()
.OfType <UsingDirectiveSyntax>()
.Select(x => x.Name.ToString())
.ToArray();
var typeSymbol = compilation
.GetSemanticModel(@class.SyntaxTree)
.GetDeclaredSymbol(@class);
return(typeSymbol != null?create(typeSymbol, usedNamespaces) : null);
}
}
private BuilderFieldInfo?TryGetAttributedField(IFieldSymbol fieldSymbol)
{
var builderFieldAttribute = fieldSymbol.GetAttributes()
.FirstOrDefault(x => x.AttributeClass?.Name == AttributeName <BuilderFieldAttribute> .GetName() ||
x.AttributeClass?.Name == AttributeName <BuilderFieldAttribute> .GetPlainName());
if (builderFieldAttribute is null)
{
return(null);
}
return(new BuilderFieldInfo(fieldSymbol.Name, fieldSymbol.Type.Name));
}