private void EnsureTemplateResolutionResult()
{
if (_resolutionResultInitialized)
{
return;
}
_templateResolutionResult = TemplateListResolver.GetTemplateResolutionResult(_settingsLoader.UserTemplateCache.TemplateInfo, _hostDataLoader, _commandInput, _defaultLanguage);
_singleMatchStatus = SingularInvokableMatchCheckStatus.None;
// If any template in the group has any ambiguous params, it's not invokable.
// The check for HasAmbiguousParameterValueMatch is for an example like:
// "dotnet new mvc -f netcore"
// - '-f netcore' is ambiguous in the 1.x version (2 begins-with matches)
// - '-f netcore' is not ambiguous in the 2.x version (1 begins-with match)
if (!_templateResolutionResult.TryGetUnambiguousTemplateGroupToUse(out IReadOnlyList <ITemplateMatchInfo> unambiguousTemplateGroup) ||
!_templateResolutionResult.TryGetSingularInvokableMatch(out _templateToInvoke, out _singleMatchStatus) ||
unambiguousTemplateGroup.Any(x => x.HasParameterMismatch()) ||
unambiguousTemplateGroup.Any(x => x.HasAmbiguousParameterValueMatch()))
{
_templateToInvoke = null;
if (_singleMatchStatus == SingularInvokableMatchCheckStatus.AmbiguousChoice)
{
_environment.Host.LogDiagnosticMessage(LocalizableStrings.Authoring_AmbiguousChoiceParameterValue, "Authoring");
}
else if (_singleMatchStatus == SingularInvokableMatchCheckStatus.AmbiguousPrecedence)
{
_environment.Host.LogDiagnosticMessage(LocalizableStrings.Authoring_AmbiguousBestPrecedence, "Authoring");
}
}
_resolutionResultInitialized = true;
}
private async Task <CreationResultStatus> EnterTemplateManipulationFlowAsync()
{
TemplateListResolutionResult templateResolutionResult = QueryForTemplateMatches();
if (_commandInput.IsListFlagSpecified || _commandInput.IsHelpFlagSpecified)
{
return(HelpForTemplateResolution.CoordinateHelpAndUsageDisplay(templateResolutionResult, EnvironmentSettings, _commandInput, _hostDataLoader, _telemetryLogger, _templateCreator, _defaultLanguage));
}
if (templateResolutionResult.TryGetUnambiguousTemplateGroupToUse(out IReadOnlyList <ITemplateMatchInfo> unambiguousTemplateGroup) &&
templateResolutionResult.TryGetSingularInvokableMatch(out ITemplateMatchInfo templateToInvoke) &&
!unambiguousTemplateGroup.Any(x => x.HasParameterMismatch()) &&
!unambiguousTemplateGroup.Any(x => x.HasAmbiguousParameterValueMatch()))
{
// If any template in the group has any ambiguous params, then don't invoke.
// The check for HasAmbiguousParameterValueMatch is for an example like:
// "dotnet new mvc -f netcore"
// - '-f netcore' is ambiguous in the 1.x version (2 begins-with matches)
// - '-f netcore' is not ambiguous in the 2.x version (1 begins-with match)
return(await EnterTemplateInvocationFlowAsync(templateToInvoke).ConfigureAwait(false));
}