private static Command who_and_whos()
{
var command = new Command("#!whos", "Display the names of the current top-level variables and their values.")
{
Handler = CommandHandler.Create((ParseResult parseResult, KernelInvocationContext context) =>
{
var alias = parseResult.CommandResult.Token.Value;
var detailed = alias == "#!whos";
Display(context, detailed);
return(Task.CompletedTask);
})
};
// TODO: (who_and_whos) this should be a separate command with separate help
command.AddAlias("#!who");
return(command);
void Display(KernelInvocationContext context, bool detailed)
{
if (context.Command is SubmitCode &&
context.HandlingKernel is CSharpKernel kernel)
{
var variables = kernel.ScriptState?.Variables.Select(v => new CurrentVariable(v.Name, v.Type, v.Value)) ??
Enumerable.Empty <CurrentVariable>();
var currentVariables = new CurrentVariables(
variables,
detailed);
var html = currentVariables
.ToDisplayString(HtmlFormatter.MimeType);
context.Publish(
new DisplayedValueProduced(
html,
context.Command,
new[]
{
new FormattedValue(
HtmlFormatter.MimeType,
html)
}));
}
}
}
private static Command who_and_whos()
{
var command = new Command("%whos")
{
Handler = CommandHandler.Create((ParseResult parseResult, KernelInvocationContext context) =>
{
var alias = parseResult.CommandResult.Token.Value;
var detailed = alias == "%whos";
if (context.Command is SubmitCode &&
context.HandlingKernel is CSharpKernel kernel)
{
var variables = kernel.ScriptState.Variables;
var currentVariables = new CurrentVariables(
variables,
detailed);
var html = currentVariables
.ToDisplayString(HtmlFormatter.MimeType);
context.Publish(
new DisplayedValueProduced(
html,
context.Command,
new[]
{
new FormattedValue(
HtmlFormatter.MimeType,
html)
}));
}
return(Task.CompletedTask);
})
};
command.AddAlias("%who");
return(command);
}