private static IRenderable CreatePrettyMessage(string template, TemplateToken?token, string message, string details)
{
var composer = new Composer();
var position = token?.Position ?? 0;
var value = token?.Representation ?? template;
// Header
composer.LineBreak();
composer.Style("red", "Error:");
composer.Space().Text("An error occured when parsing template.");
composer.LineBreak();
composer.Spaces(7).Style("yellow", message.EscapeMarkup());
composer.LineBreak();
if (string.IsNullOrWhiteSpace(template))
{
// Error
composer.LineBreak();
composer.Style("red", message.EscapeMarkup());
composer.LineBreak();
}
else
{
// Template
composer.LineBreak();
composer.Spaces(7).Text(template.EscapeMarkup());
// Error
composer.LineBreak();
composer.Spaces(7).Spaces(position);
composer.Style("red", error =>
{
error.Repeat('^', value.Length);
error.Space();
error.Text(details.TrimEnd('.').EscapeMarkup());
error.LineBreak();
});
}
composer.LineBreak();
return(composer);
}
private static IEnumerable <IRenderable> GetUsage(CommandModel model, CommandInfo?command)
{
var composer = new Composer();
composer.Style("yellow", "USAGE:").LineBreak();
composer.Tab().Text(model.GetApplicationName());
var parameters = new List <string>();
if (command == null)
{
parameters.Add("[grey][[OPTIONS]][/]");
parameters.Add("[aqua]<COMMAND>[/]");
}
else
{
foreach (var current in command.Flatten())
{
var isCurrent = current == command;
if (!current.IsDefaultCommand)
{
if (isCurrent)
{
parameters.Add($"[underline]{current.Name.EscapeMarkup()}[/]");
}
else
{
parameters.Add($"{current.Name.EscapeMarkup()}");
}
}
if (current.Parameters.OfType <CommandArgument>().Any())
{
if (isCurrent)
{
foreach (var argument in current.Parameters.OfType <CommandArgument>()
.Where(a => a.Required).OrderBy(a => a.Position).ToArray())
{
parameters.Add($"[aqua]<{argument.Value.EscapeMarkup()}>[/]");
}
}
var optionalArguments = current.Parameters.OfType <CommandArgument>().Where(x => !x.Required).ToArray();
if (optionalArguments.Length > 0 || !isCurrent)
{
foreach (var optionalArgument in optionalArguments)
{
parameters.Add($"[silver][[{optionalArgument.Value.EscapeMarkup()}]][/]");
}
}
}
if (isCurrent)
{
parameters.Add("[grey][[OPTIONS]][/]");
}
}
if (command.IsBranch)
{
parameters.Add("[aqua]<COMMAND>[/]");
}
}
composer.Join(" ", parameters);
composer.LineBreak();
return(new[]
{
composer,
});
}