private void ProcessEnum([NotNull] EnumDeclarationSyntax enumDecl, NamespaceDeclarationSyntax namespaceDecl = null)
{
if (enumDecl == null)
{
throw new ArgumentNullException(nameof(enumDecl));
}
ModelRoot modelRoot = Store.ModelRoot();
string enumName = enumDecl.Identifier.Text;
if (namespaceDecl == null && enumDecl.Parent is NamespaceDeclarationSyntax enumDeclParent)
{
namespaceDecl = enumDeclParent;
}
string namespaceName = namespaceDecl?.Name?.ToString() ?? modelRoot.Namespace;
if (Store.Get <ModelClass>().Any(c => c.Name == enumName) || Store.Get <ModelEnum>().Any(c => c.Name == enumName))
{
ErrorDisplay.Show($"'{enumName}' already exists in model.");
// ReSharper disable once ExpressionIsAlwaysNull
return;
}
Transaction tx = Store.TransactionManager.CurrentTransaction == null
? Store.TransactionManager.BeginTransaction()
: null;
try
{
ModelEnum result = new ModelEnum(Store,
new PropertyAssignment(ModelEnum.NameDomainPropertyId, enumName))
{
Namespace = namespaceName,
IsFlags = enumDecl.HasAttribute("Flags")
};
SimpleBaseTypeSyntax baseTypeSyntax = enumDecl.DescendantNodes().OfType <SimpleBaseTypeSyntax>().FirstOrDefault();
if (baseTypeSyntax != null)
{
switch (baseTypeSyntax.Type.ToString())
{
case "Int16":
case "short":
result.ValueType = EnumValueType.Int16;
break;
case "Int32":
case "int":
result.ValueType = EnumValueType.Int32;
break;
case "Int64":
case "long":
result.ValueType = EnumValueType.Int64;
break;
default:
WarningDisplay.Show($"Could not resolve value type for '{enumName}'. The enum will default to an Int32 value type.");
break;
}
}
XMLDocumentation xmlDocumentation;
foreach (EnumMemberDeclarationSyntax enumValueDecl in enumDecl.DescendantNodes().OfType <EnumMemberDeclarationSyntax>())
{
ModelEnumValue enumValue = new ModelEnumValue(Store, new PropertyAssignment(ModelEnumValue.NameDomainPropertyId, enumValueDecl.Identifier.ToString()));
EqualsValueClauseSyntax valueDecl = enumValueDecl.DescendantNodes().OfType <EqualsValueClauseSyntax>().FirstOrDefault();
if (valueDecl != null)
{
enumValue.Value = valueDecl.Value.ToString();
}
xmlDocumentation = new XMLDocumentation(enumValueDecl);
enumValue.Summary = xmlDocumentation.Summary;
enumValue.Description = xmlDocumentation.Description;
result.Values.Add(enumValue);
}
xmlDocumentation = new XMLDocumentation(enumDecl);
result.Summary = xmlDocumentation.Summary;
result.Description = xmlDocumentation.Description;
modelRoot.Enums.Add(result);
}
catch
{
tx = null;
throw;
}
finally
{
tx?.Commit();
}
}