public static IEnumerable <string> GetSuggestions(
this ParseResult parseResult,
int?position = null)
{
var textToMatch = parseResult.TextToMatch(position);
var currentSymbolResult = parseResult.SymbolToComplete(position);
var currentSymbol = currentSymbolResult.Symbol;
var currentSymbolSuggestions =
currentSymbol is ISuggestionSource currentSuggestionSource
? currentSuggestionSource.GetSuggestions(textToMatch)
: Array.Empty <string>();
IEnumerable <string> siblingSuggestions;
var parentSymbol = currentSymbolResult.Parent?.Symbol;
if (parentSymbol == null ||
!currentSymbolResult.IsArgumentLimitReached)
{
siblingSuggestions = Array.Empty <string>();
}
else
{
siblingSuggestions = parentSymbol
.GetSuggestions(textToMatch)
.Except(parentSymbol
.Children
.OfType <ICommand>()
.Select(c => c.Name));
}
if (currentSymbolResult is CommandResult commandResult)
{
currentSymbolSuggestions = currentSymbolSuggestions
.Except(OptionsWithArgumentLimitReached(currentSymbolResult));
if (currentSymbolResult.Parent is CommandResult parent)
{
siblingSuggestions = siblingSuggestions.Except(OptionsWithArgumentLimitReached(parent));
}
}
return(currentSymbolSuggestions.Concat(siblingSuggestions));
string[] OptionsWithArgumentLimitReached(SymbolResult symbolResult)
{
var optionsWithArgLimitReached =
symbolResult
.Children
.Where(c => c.IsArgumentLimitReached);
var exclude = optionsWithArgLimitReached
.SelectMany(c => c.Symbol.RawAliases)
.Concat(commandResult.Symbol.RawAliases)
.ToArray();
return(exclude);
}
}
public static IEnumerable <string?> GetSuggestions(
this ParseResult parseResult,
int?position = null)
{
var textToMatch = parseResult.TextToMatch(position);
var currentSymbolResult = parseResult.SymbolToComplete(position);
var currentSymbol = currentSymbolResult.Symbol;
var currentSymbolSuggestions =
currentSymbol is ISuggestionSource currentSuggestionSource
? currentSuggestionSource.GetSuggestions(textToMatch)
: Array.Empty <string>();
IEnumerable <string?> siblingSuggestions;
var parentSymbol = currentSymbolResult.Parent?.Symbol;
if (parentSymbol is null ||
!currentSymbolResult.IsArgumentLimitReached)
{
siblingSuggestions = Array.Empty <string?>();
}