public static void Save(this NSwagClient client, ITaskItem targetItem)
{
//A bit of reflection magic to automate properties assignment.
client.GetType()
.GetProperties()
.Where(p => typeof(string).IsAssignableFrom(p.PropertyType))
.ToList()
.ForEach(p => targetItem.SetMetadata(nameof(NSwagClient) + p.Name, p.GetValue(client) as string));
}
public static NSwagClient Restore(this ITaskItem sourceItem)
{
var result = new NSwagClient();
//A bit of reflection magic to automate properties assignment.
result.GetType()
.GetProperties()
.Where(p => typeof(string).IsAssignableFrom(p.PropertyType))
.ToList()
.ForEach(p => p.SetValue(result, sourceItem.GetMetadata(nameof(NSwagClient) + p.Name)));
return(result);
}
public static NSwagClientParsed Parse(this NSwagClient client)
{
var result = Mapper.Map <NSwagClientParsed>(client);
var tree = CSharpSyntaxTree.ParseText(client.ClassCode);
var root = (CompilationUnitSyntax)tree.GetRoot();
var classDeclaration = root.DescendantNodes()
.OfType <ClassDeclarationSyntax>()
.FirstOrDefault();
if (classDeclaration == null)
{
throw new InvalidCastException("Class code declaration is corrupted");
}
//A bit of reflection magic to automate attributes parsing.
//Enumerate all properties, parse attribute type and automatically evaluate them from roslyn attribute syntax
var allProperties = result.GetType()
.GetProperties()
.Where(p => typeof(ParsedAttribute).IsAssignableFrom(p.PropertyType) ||
typeof(ParsedAttribute[]).IsAssignableFrom(p.PropertyType));
foreach (var property in allProperties)
{
object value = null;
if (typeof(ParsedAttribute).IsAssignableFrom(property.PropertyType))
{
var attributeType = property.PropertyType.GetGenericArguments()[0];
value = classDeclaration.GetSingleAttribute(attributeType);
}
if (typeof(ParsedAttribute[]).IsAssignableFrom(property.PropertyType))
{
var attributeType = property.PropertyType.GetElementType().GetGenericArguments()[0];
value = classDeclaration.GetMultipleAttributes(attributeType);
}
property.SetValue(result, value);
}
return(result);
}
