private static bool GenerateUsageForTemplate(ITemplateInfo templateInfo, IHostSpecificDataLoader hostDataLoader, string commandName)
{
HostSpecificTemplateData hostTemplateData = hostDataLoader.ReadHostSpecificTemplateData(templateInfo);
if (hostTemplateData.UsageExamples != null)
{
if (hostTemplateData.UsageExamples.Count == 0)
{
return(false);
}
Reporter.Output.WriteLine($" dotnet {commandName} {templateInfo.ShortName} {hostTemplateData.UsageExamples[0]}");
return(true);
}
Reporter.Output.Write($" dotnet {commandName} {templateInfo.ShortName}");
IReadOnlyList <ITemplateParameter> allParameterDefinitions = templateInfo.Parameters;
IEnumerable <ITemplateParameter> filteredParams = TemplateParameterHelpBase.FilterParamsForHelp(allParameterDefinitions, hostTemplateData.HiddenParameterNames, parametersToAlwaysShow: hostTemplateData.ParametersToAlwaysShow);
foreach (ITemplateParameter parameter in filteredParams)
{
if (string.Equals(parameter.DataType, "bool", StringComparison.OrdinalIgnoreCase) &&
string.Equals(parameter.DefaultValue, "false", StringComparison.OrdinalIgnoreCase))
{
continue;
}
else if (string.Equals(parameter.DataType, "string", StringComparison.OrdinalIgnoreCase))
{
continue;
}
else if (string.Equals(parameter.DataType, "choice", StringComparison.OrdinalIgnoreCase) && parameter.Choices.Count == 1)
{
continue;
}
string displayParameter = hostTemplateData.DisplayNameForParameter(parameter.Name);
Reporter.Output.Write($" --{displayParameter}");
if (!string.IsNullOrEmpty(parameter.DefaultValue) && !string.Equals(parameter.DataType, "bool", StringComparison.OrdinalIgnoreCase))
{
Reporter.Output.Write($" {parameter.DefaultValue}");
}
}
Reporter.Output.WriteLine();
return(true);
}
private static bool IsTemplateHiddenByHostFile(ITemplateInfo templateInfo, IHostSpecificDataLoader hostDataLoader)
{
HostSpecificTemplateData hostData = hostDataLoader.ReadHostSpecificTemplateData(templateInfo);
return hostData.IsHidden;
}
public static void ParseTemplateArgs(ITemplateInfo templateInfo, IHostSpecificDataLoader hostDataLoader, INewCommandInput commandInput)
{
HostSpecificTemplateData hostData = hostDataLoader.ReadHostSpecificTemplateData(templateInfo);
commandInput.ReparseForTemplate(templateInfo, hostData);
}
private static TemplateGroupParameterDetails DetermineParameterDispositionsForTemplateGroup(IReadOnlyList <ITemplateInfo> templateGroup, IEngineEnvironmentSettings environmentSettings, INewCommandInput commandInput, IHostSpecificDataLoader hostDataLoader, TemplateCreator templateCreator)
{
HashSet <string> groupUserParamsWithInvalidValues = new HashSet <string>(StringComparer.Ordinal);
bool groupHasPostActionScriptRunner = false;
List <IParameterSet> parameterSetsForAllTemplatesInGroup = new List <IParameterSet>();
IDictionary <string, InvalidParameterInfo> invalidParametersForGroup = new Dictionary <string, InvalidParameterInfo>(StringComparer.Ordinal);
bool firstInList = true;
Dictionary <string, IReadOnlyList <string> > defaultVariantsForCanonicals = new Dictionary <string, IReadOnlyList <string> >(StringComparer.Ordinal);
Dictionary <string, IReadOnlyList <string> > groupVariantsForCanonicals = new Dictionary <string, IReadOnlyList <string> >(StringComparer.Ordinal);
HashSet <string> groupUserParamsWithDefaultValues = new HashSet <string>(StringComparer.Ordinal);
Dictionary <string, bool> parameterHidingDisposition = new Dictionary <string, bool>(StringComparer.OrdinalIgnoreCase);
HashSet <string> parametersToAlwaysShow = new HashSet <string>(StringComparer.Ordinal);
foreach (ITemplateInfo templateInfo in templateGroup.OrderByDescending(x => x.Precedence))
{
TemplateUsageInformation usageInformation = TemplateUsageHelp.GetTemplateUsageInformation(templateInfo, environmentSettings, commandInput, hostDataLoader, templateCreator);
HostSpecificTemplateData hostSpecificTemplateData = hostDataLoader.ReadHostSpecificTemplateData(templateInfo);
HashSet <string> parametersToExplicitlyHide = hostSpecificTemplateData?.HiddenParameterNames ?? new HashSet <string>(StringComparer.Ordinal);
foreach (ITemplateParameter parameter in usageInformation.AllParameters.ParameterDefinitions)
{
//If the parameter has previously been encountered...
if (parameterHidingDisposition.TryGetValue(parameter.Name, out bool isCurrentlyHidden))
{
//...and it was hidden, but it's not hidden in this template in the group,
// remove its hiding, otherwise leave it as is
if (isCurrentlyHidden && !parametersToExplicitlyHide.Contains(parameter.Name))
{
parameterHidingDisposition[parameter.Name] = false;
}
}
else
{
//...otherwise, since this is the first time the parameter has been seen,
// its hiding state should be used as the current disposition
parameterHidingDisposition[parameter.Name] = parametersToExplicitlyHide.Contains(parameter.Name);
}
}
if (firstInList)
{
invalidParametersForGroup = usageInformation.InvalidParameters.ToDictionary(x => x.Canonical, x => x);
firstInList = false;
}
else
{
invalidParametersForGroup = InvalidParameterInfo.IntersectWithExisting(invalidParametersForGroup, usageInformation.InvalidParameters);
}
groupUserParamsWithInvalidValues.IntersectWith(usageInformation.UserParametersWithInvalidValues); // intersect because if the value is valid for any version, it's valid.
groupHasPostActionScriptRunner |= usageInformation.HasPostActionScriptRunner;
parameterSetsForAllTemplatesInGroup.Add(usageInformation.AllParameters);
// If this template has name overrides (either long or short), it's opinionated.
// If it's the first opinionated template about the param, use its variants.
// Else this template is not opinionated, note its values if there aren't defaults for the param already.
// At the end, anything in the default list that isn't in the opinionated list will get merged in.
// TODO: write tests for this code (and the rest of this method while we're at it)
foreach (KeyValuePair <string, IReadOnlyList <string> > canonicalAndVariants in usageInformation.VariantsForCanonicals)
{
if (hostSpecificTemplateData.LongNameOverrides.ContainsKey(canonicalAndVariants.Key) || hostSpecificTemplateData.ShortNameOverrides.ContainsKey(canonicalAndVariants.Key))
{
// this template is opinionated about this parameter. If no previous template is opinionated about this param, use this template's variants.
if (!groupVariantsForCanonicals.ContainsKey(canonicalAndVariants.Key))
{
groupVariantsForCanonicals[canonicalAndVariants.Key] = canonicalAndVariants.Value;
}
}
else
{
// this template is not opinionated about this parameter. If no previous template had defaults for this param, use this template's defaults.
if (!defaultVariantsForCanonicals.ContainsKey(canonicalAndVariants.Key))
{
defaultVariantsForCanonicals[canonicalAndVariants.Key] = canonicalAndVariants.Value;
}
}
}
// If any template says the user input value is the default, include it here.
groupUserParamsWithDefaultValues.UnionWith(usageInformation.UserParametersWithDefaultValues);
parametersToAlwaysShow.UnionWith(hostSpecificTemplateData.ParametersToAlwaysShow);
}
// aggregate the parameter variants
foreach (KeyValuePair <string, IReadOnlyList <string> > defaultVariants in defaultVariantsForCanonicals)
{
if (!groupVariantsForCanonicals.ContainsKey(defaultVariants.Key))
{
// there were no opinionated variants, take the preferred default.
groupVariantsForCanonicals[defaultVariants.Key] = defaultVariants.Value;
}
}
IParameterSet allGroupParameters = new TemplateGroupParameterSet(parameterSetsForAllTemplatesInGroup);
string parameterErrors = InvalidParameterInfo.InvalidParameterListToString(invalidParametersForGroup.Values.ToList());
HashSet <string> parametersToHide = new HashSet <string>(parameterHidingDisposition.Where(x => x.Value).Select(x => x.Key), StringComparer.Ordinal);
return(new TemplateGroupParameterDetails
{
AllParams = allGroupParameters,
AdditionalInfo = parameterErrors,
InvalidParams = groupUserParamsWithInvalidValues.ToList(),
ExplicitlyHiddenParams = parametersToHide,
GroupVariantsForCanonicals = groupVariantsForCanonicals,
GroupUserParamsWithDefaultValues = groupUserParamsWithDefaultValues,
HasPostActionScriptRunner = groupHasPostActionScriptRunner,
ParametersToAlwaysShow = parametersToAlwaysShow,
});
}
/// <summary>
/// Checks if the template is hidden by host specific template settings.
/// </summary>
internal static bool IsHiddenByHostFile(this ITemplateInfo template, IHostSpecificDataLoader hostSpecificDataLoader)
{
HostSpecificTemplateData hostData = hostSpecificDataLoader.ReadHostSpecificTemplateData(template);
return(hostData.IsHidden);
}