static void EnsureParameterValuesExist(TemplateSettings settings, ITextTemplatingEngineHost host, ParsedTemplate pt)
{
foreach (var directive in settings.CustomDirectives)
{
if (directive.ProcessorName == nameof(ParameterDirectiveProcessor))
{
if (directive.Directive.Attributes.TryGetValue("name", out string parameterName))
{
if (!string.IsNullOrEmpty(host.ResolveParameterValue(directive.Directive.Name, directive.ProcessorName, parameterName)))
{
continue;
}
}
pt.LogError(string.Format(CultureInfo.CurrentCulture, VsTemplatingErrorResources.CouldNotVerifyParameterValue, parameterName));
}
}
}
public override void ProcessDirective(string directiveName, IDictionary <string, string> arguments)
{
if (directiveName == null)
{
throw new ArgumentNullException("directiveName");
}
if (arguments == null)
{
throw new ArgumentNullException("arguments");
}
var providesDictionary = new Dictionary <string, string>();
var requiresDictionary = new Dictionary <string, string>();
string provides;
if (arguments.TryGetValue("provides", out provides))
{
foreach (var arg in ParseArgs(provides))
{
providesDictionary.Add(arg.Key, arg.Value);
}
}
string requires;
if (arguments.TryGetValue("requires", out requires))
{
foreach (var arg in ParseArgs(requires))
{
requiresDictionary.Add(arg.Key, arg.Value);
}
}
InitializeRequiresDictionary(directiveName, requiresDictionary);
InitializeProvidesDictionary(directiveName, providesDictionary);
var id = ProvideUniqueId(directiveName, arguments, requiresDictionary, providesDictionary);
foreach (var req in requiresDictionary)
{
var val = host.ResolveParameterValue(id, FriendlyName, req.Key);
if (val != null)
{
requiresDictionary[req.Key] = val;
}
else if (req.Value == null)
{
throw new DirectiveProcessorException("Could not resolve required value '" + req.Key + "'");
}
}
foreach (var req in providesDictionary)
{
var val = host.ResolveParameterValue(id, FriendlyName, req.Key);
if (val != null)
{
providesDictionary[req.Key] = val;
}
}
PostProcessArguments(directiveName, requiresDictionary, providesDictionary);
GeneratePreInitializationCode(directiveName, preInitBuffer, languageProvider, requiresDictionary, providesDictionary);
GeneratePostInitializationCode(directiveName, postInitBuffer, languageProvider, requiresDictionary, providesDictionary);
GenerateTransformCode(directiveName, codeBuffer, languageProvider, requiresDictionary, providesDictionary);
}