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()
{
if (_commandInput.IsListFlagSpecified || _commandInput.IsHelpFlagSpecified)
{
ListOrHelpTemplateListResolutionResult listingTemplateResolutionResult = TemplateListResolver.GetTemplateResolutionResultForListOrHelp(_settingsLoader.UserTemplateCache.TemplateInfo, _hostDataLoader, _commandInput, _defaultLanguage);
return(HelpForTemplateResolution.CoordinateHelpAndUsageDisplay(listingTemplateResolutionResult, EnvironmentSettings, _commandInput, _hostDataLoader, _telemetryLogger, _templateCreator, _defaultLanguage, showUsageHelp: _commandInput.IsHelpFlagSpecified));
}
TemplateListResolutionResult templateResolutionResult = TemplateListResolver.GetTemplateResolutionResult(_settingsLoader.UserTemplateCache.TemplateInfo, _hostDataLoader, _commandInput, _defaultLanguage);
TemplateInvocationAndAcquisitionCoordinator invocationCoordinator = new TemplateInvocationAndAcquisitionCoordinator(_settingsLoader, _commandInput, _templateCreator, _hostDataLoader, _telemetryLogger, _defaultLanguage, CommandName, _inputGetter, _callbacks);
return(await invocationCoordinator.CoordinateInvocationOrAcquisitionAsync());
}
// TODO: make sure help / usage works right in these cases.
private CreationResultStatus EnterMaintenanceFlow()
{
if (!TemplateListResolver.ValidateRemainingParameters(_commandInput, out IReadOnlyList <string> invalidParams))
{
HelpForTemplateResolution.DisplayInvalidParameters(invalidParams);
if (_commandInput.IsHelpFlagSpecified)
{
// this code path doesn't go through the full help & usage stack, so needs it's own call to ShowUsageHelp().
HelpForTemplateResolution.ShowUsageHelp(_commandInput, _telemetryLogger);
}
else
{
Reporter.Error.WriteLine(string.Format(LocalizableStrings.RunHelpForInformationAboutAcceptedParameters, CommandName).Bold().Red());
}
return(CreationResultStatus.InvalidParamValues);
}
if (_commandInput.ToUninstallList != null)
{
return(EnterUninstallFlow());
}
if (_commandInput.ToInstallList != null && _commandInput.ToInstallList.Count > 0 && _commandInput.ToInstallList[0] != null)
{
CreationResultStatus installResult = EnterInstallFlow();
if (installResult == CreationResultStatus.Success)
{
_settingsLoader.Reload();
TemplateListResolutionResult resolutionResult = TemplateListResolver.GetTemplateResolutionResult(_settingsLoader.UserTemplateCache.TemplateInfo, _hostDataLoader, _commandInput, _defaultLanguage);
HelpForTemplateResolution.CoordinateHelpAndUsageDisplay(resolutionResult, EnvironmentSettings, _commandInput, _hostDataLoader, _telemetryLogger, _templateCreator, _defaultLanguage, showUsageHelp: false);
}
return(installResult);
}
// No other cases specified, we've fallen through to "Optional usage help + List"
TemplateListResolutionResult templateResolutionResult = TemplateListResolver.GetTemplateResolutionResult(_settingsLoader.UserTemplateCache.TemplateInfo, _hostDataLoader, _commandInput, _defaultLanguage);
HelpForTemplateResolution.CoordinateHelpAndUsageDisplay(templateResolutionResult, EnvironmentSettings, _commandInput, _hostDataLoader, _telemetryLogger, _templateCreator, _defaultLanguage, showUsageHelp: _commandInput.IsHelpFlagSpecified);
return(CreationResultStatus.Success);
}
// Attempts to match templates against the inputs.
private TemplateListResolutionResult QueryForTemplateMatches()
{
return(TemplateListResolver.GetTemplateResolutionResult(_settingsLoader.UserTemplateCache.TemplateInfo, _hostDataLoader, _commandInput, _defaultLanguage));
}