public void ObtainDefaultSheet()
{
var service = new CssStylingService();
Assert.IsNotNull(service.Default);
Assert.IsTrue((service as IStylingService).SupportsType(MimeTypeNames.Css));
var sheet = service.Default as ICssStyleSheet;
Assert.IsNotNull(sheet);
Assert.AreEqual(49, sheet.Rules.Length);
}
/// <summary>
/// Registers the default styling service with a new CSS style engine
/// to retrieve, if no other styling service has been registered yet.
/// </summary>
/// <param name="configuration">The configuration to extend.</param>
/// <param name="options">Optional options for the parser.</param>
/// <returns>The new instance with the service.</returns>
public static IConfiguration WithCss(this IConfiguration configuration, CssParserOptions options = default)
{
configuration = configuration ?? throw new ArgumentNullException(nameof(configuration));
var service = new CssStylingService();
if (!configuration.Has <ICssDefaultStyleSheetProvider>())
{
configuration = configuration.With(new CssDefaultStyleSheetProvider());
}
if (!configuration.Has <IFeatureValidatorFactory>())
{
configuration = configuration.With(Factory.FeatureValidator);
}
if (!configuration.Has <IDocumentFunctionFactory>())
{
configuration = configuration.With(Factory.DocumentFunction);
}
if (!configuration.Has <IPseudoElementFactory>())
{
configuration = configuration.With(Factory.PseudoElement);
}
if (!configuration.Has <IDeclarationFactory>())
{
configuration = configuration.With(Factory.Declaration);
}
if (!configuration.Has <ICssParser>())
{
configuration = configuration.With <ICssParser>(context => new CssParser(options, context));
}
return(configuration
.WithOnly(Factory.Observer)
.WithOnly <IStylingService>(service));
}
/// <summary>
/// Registers the default styling service with a new CSS style engine
/// to retrieve, if no other styling service has been registered yet.
/// </summary>
/// <param name="configuration">The configuration to extend.</param>
/// <param name="options">Optional options for the parser.</param>
/// <param name="setup">Optional setup for the style engine.</param>
/// <returns>The new instance with the service.</returns>
public static IConfiguration WithCss(this IConfiguration configuration, CssParserOptions options = default(CssParserOptions), Action <CssStylingService> setup = null)
{
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
var service = new CssStylingService();
setup?.Invoke(service);
if (!configuration.Has <IFeatureValidatorFactory>())
{
configuration = configuration.With(Factory.FeatureValidator);
}
if (!configuration.Has <IDocumentFunctionFactory>())
{
configuration = configuration.With(Factory.DocumentFunction);
}
if (!configuration.Has <IPseudoElementFactory>())
{
configuration = configuration.With(Factory.PseudoElement);
}
if (!configuration.Has <IDeclarationFactory>())
{
configuration = configuration.With(Factory.Declaration);
}
if (!configuration.Has <ICssParser>())
{
configuration = configuration.With <ICssParser>(context => new CssParser(options, context));
}
return(configuration.WithOnly(Factory.Observer).With(service));
}