internal static bool TryGetCreateClassSymbol(
this Project testProject, BuilderCopSettings builderCopSettings, out ITypeSymbol createClassSymbol)
{
createClassSymbol = SymbolFinder.FindDeclarationsAsync(testProject, builderCopSettings.BuilderFactorySettings.Name, false, SymbolFilter.Type)
.Result.FirstOrDefault() as ITypeSymbol;
return(createClassSymbol != null);
}
public void AnalyzeSymbol(SymbolAnalysisContext context)
{
BuilderCopSettings builderCopSettings = context.Options.GetBuilderCopSettings(new CancellationToken());
INamedTypeSymbol namedTypeSymbol = (INamedTypeSymbol)context.Symbol;
if (!namedTypeSymbol.ShouldTypeHaveBuilder(builderCopSettings.BuilderForSettings))
{
return;
}
INamedTypeSymbol builderSymbol;
if (!namedTypeSymbol.TryGetTestDataBuilder(builderCopSettings, out builderSymbol))
{
context.ReportTypeShouldHaveBuilderDiagnostic(namedTypeSymbol);
}
else
{
AnalyseFactory(context, namedTypeSymbol.GetAccordingTestProject(), builderSymbol, builderCopSettings);
AnalyseBuilder(context, builderSymbol, namedTypeSymbol);
}
}
internal static bool TryGetTestDataBuilder(this INamedTypeSymbol namedTypeSymbol, BuilderCopSettings builderCopSettings, out INamedTypeSymbol builderSymbol)
{
Project testProject = namedTypeSymbol.GetAccordingTestProject();
IList <ISymbol> foundBuilderDeclarations = SymbolFinder.FindDeclarationsAsync(testProject, namedTypeSymbol.Name + "Builder", true).Result.ToList();
builderSymbol = foundBuilderDeclarations.OfType <INamedTypeSymbol>().FirstOrDefault();
return(builderSymbol != null);
}
internal static INamedTypeSymbol GetTestDataBuilder(this INamedTypeSymbol namedTypeSymbol, BuilderCopSettings builderCopSettings)
{
INamedTypeSymbol builderSymbol;
if (TryGetTestDataBuilder(namedTypeSymbol, builderCopSettings, out builderSymbol))
{
return(builderSymbol);
}
else
{
return(null);
}
}
internal static ITypeSymbol GetBuilderFactorySymbol(this Project testProject, BuilderCopSettings builderCopSettings)
{
ITypeSymbol createClassTypeSymbol;
if (testProject.TryGetCreateClassSymbol(builderCopSettings, out createClassTypeSymbol))
{
return(createClassTypeSymbol);
}
else
{
return(null);
}
}
/// <summary>
/// Überprüft, ob es eine Create-Klasse gibt, die eine Instanz des Builders erzeugen kann.
/// </summary>
/// <param name="context"></param>
/// <param name="testProject"></param>
/// <param name="builderSymbol"></param>
/// <param name="builderCopSettings"></param>
private void AnalyseFactory(SymbolAnalysisContext context, Project testProject, INamedTypeSymbol builderSymbol, BuilderCopSettings builderCopSettings)
{
ITypeSymbol createClassSymbol = testProject.GetBuilderFactorySymbol(builderCopSettings);
if (createClassSymbol == null)
{
return;
}
foreach (IMethodSymbol method in createClassSymbol.GetMembers().OfType <IMethodSymbol>())
{
if (method.MethodKind == MethodKind.Ordinary && TypeHelper.AreTypesEqual(method.ReturnType, builderSymbol))
{
return;
}
}
/* Die Diagnostic geht auf die Entity-Klasse, weil dass die Klasse ist, die untersucht wird.
* Wird die Location auf den Builder gelegt, fliegt eine Exception, da der Builder nicht Teil des Kompilats ist,
* welches analysiert wird.*/
context.ReportFactoryMethodForBuilderExpected(context.Symbol);
}