public AttributeInfo(TypeInfo type, MethodMemberInfo constructor, IList <object> passedArguments, IReadOnlyDictionary <string, object> namedArguments)
{
this.Type = type ?? throw new ArgumentNullException(nameof(type));
this.Constructor = constructor ?? throw new ArgumentNullException(nameof(constructor));
this.PassedArguments = passedArguments ?? throw new ArgumentNullException(nameof(passedArguments));
this.NamedArguments = namedArguments ?? throw new ArgumentNullException(nameof(namedArguments));
if (this.Constructor.Parameters.Count() != passedArguments.Count)
{
throw new ArgumentException(
"Number of passed arguments and constructor parameters in an attribute do not match. " +
"Attribute {" + this.Type.Namespace + "." + this.Type.Name + "}.");
}
}
public static AttributeInfo Create(AttributeData attributeData)
{
return(new AttributeInfo(
TypeInfo.FromSymbol(attributeData.AttributeClass),
MethodMemberInfo.FromSymbol(attributeData.AttributeConstructor),
attributeData.ConstructorArguments.Select(getPassedArg).ToArray(),
attributeData.NamedArguments.ToDictionary(x => x.Key, x => getPassedArg(x.Value))));
object getPassedArg(TypedConstant arg)
{
if (arg.Kind == TypedConstantKind.Array)
{
return(arg.Values.Select(getPassedArg).Select(transformArg).ToArray());
}
else
{
return(transformArg(arg.Value));
}
}
object transformArg(object arg)
{
if (arg.GetType().IsPrimitive)
{
return(arg);
}
if (arg is INamedTypeSymbol s)
{
return(TypeInfo.FromSymbol(s));
}
return(arg);
}
}
public static InterfaceInfo FromSymbol(INamedTypeSymbol symbol)
{
if (symbol.TypeKind != Microsoft.CodeAnalysis.TypeKind.Interface)
{
return(null);
}
var props = new LinkedList <PropertyMemberInfo>();
var methods = new LinkedList <MethodMemberInfo>();
foreach (var s in symbol.GetMembers())
{
switch (s.Kind)
{
case SymbolKind.Property:
props.AddLast(PropertyMemberInfo.FromSymbol((IPropertySymbol)s));
break;
case SymbolKind.Method:
if (s.CanBeReferencedByName)
{
methods.AddLast(MethodMemberInfo.FromSymbol((IMethodSymbol)s));
}
break;
}
}
return(new InterfaceInfo(
TypeInfo.FromSymbol(symbol),
getAccessibility(symbol.DeclaredAccessibility),
props,
methods,
symbol.GetAttributes().Select(AttributeInfo.Create).ToArray()));
Accessibility getAccessibility(Microsoft.CodeAnalysis.Accessibility access)
{
switch (access)
{
case Microsoft.CodeAnalysis.Accessibility.NotApplicable:
return(Accessibility.None);
case Microsoft.CodeAnalysis.Accessibility.Private:
return(Accessibility.Private);
case Microsoft.CodeAnalysis.Accessibility.Protected:
return(Accessibility.Protected);
case Microsoft.CodeAnalysis.Accessibility.Public:
return(Accessibility.Public);
case Microsoft.CodeAnalysis.Accessibility.Internal:
return(Accessibility.Internal);
case Microsoft.CodeAnalysis.Accessibility.ProtectedAndInternal:
return(Accessibility.Protected | Accessibility.Internal);
default:
throw new ArgumentOutOfRangeException(nameof(access), $"Interface accessibility {access.ToString()} is not supported.");
}
}
}
