private static ImmutableArray<IInteractiveWindowCommand> GetApplicableCommands(IInteractiveWindowCommand[] commands, string coreContentType, string specializedContentType)
{
// get all commands of coreContentType - generic interactive window commands
var interactiveCommands = commands.Where(
c => c.GetType().GetCustomAttributes(typeof(ContentTypeAttribute), inherit: true).Any(
a => ((ContentTypeAttribute)a).ContentTypes == coreContentType)).ToArray();
// get all commands of specializedContentType - smart C#/VB command implementations
var specializedInteractiveCommands = commands.Where(
c => c.GetType().GetCustomAttributes(typeof(ContentTypeAttribute), inherit: true).Any(
a => ((ContentTypeAttribute)a).ContentTypes == specializedContentType)).ToArray();
// We should choose specialized C#/VB commands over generic core interactive window commands
// Build a map of names and associated core command first
Dictionary<string, int> interactiveCommandMap = new Dictionary<string, int>();
for (int i = 0; i < interactiveCommands.Length; i++)
{
foreach (var name in interactiveCommands[i].Names)
{
interactiveCommandMap.Add(name, i);
}
}
// swap core commands with specialized command if both exist
// Command can have multiple names. We need to compare every name to find match.
int value;
foreach (var command in specializedInteractiveCommands)
{
foreach (var name in command.Names)
{
if (interactiveCommandMap.TryGetValue(name, out value))
{
interactiveCommands[value] = command;
break;
}
}
}
return interactiveCommands.ToImmutableArray();
}
private static ImmutableArray<IInteractiveWindowCommand> FilterCommands(IInteractiveWindowCommand[] commands, string contentType)
{
return commands.Where(
c => c.GetType().GetCustomAttributes(typeof(ContentTypeAttribute), inherit: true).Any(
a => ((ContentTypeAttribute)a).ContentTypes == contentType)).ToImmutableArray();
}