public static RazorParserFeatureFlags Create(RazorLanguageVersion version, string fileKind)
{
if (fileKind == null)
{
throw new ArgumentNullException(nameof(fileKind));
}
var allowMinimizedBooleanTagHelperAttributes = false;
var allowHtmlCommentsInTagHelpers = false;
var allowComponentFileKind = false;
var allowRazorInAllCodeBlocks = false;
var allowUsingVariableDeclarations = false;
var allowConditionalDataDashAttributes = false;
var allowCSharpInMarkupAttributeArea = true;
var allowNullableForgivenessOperator = false;
if (version.CompareTo(RazorLanguageVersion.Version_2_1) >= 0)
{
// Added in 2.1
allowMinimizedBooleanTagHelperAttributes = true;
allowHtmlCommentsInTagHelpers = true;
}
if (version.CompareTo(RazorLanguageVersion.Version_3_0) >= 0)
{
// Added in 3.0
allowComponentFileKind = true;
allowRazorInAllCodeBlocks = true;
allowUsingVariableDeclarations = true;
allowNullableForgivenessOperator = true;
}
if (FileKinds.IsComponent(fileKind))
{
allowConditionalDataDashAttributes = true;
allowCSharpInMarkupAttributeArea = false;
}
if (version.CompareTo(RazorLanguageVersion.Experimental) >= 0)
{
allowConditionalDataDashAttributes = true;
}
return(new DefaultRazorParserFeatureFlags(
allowMinimizedBooleanTagHelperAttributes,
allowHtmlCommentsInTagHelpers,
allowComponentFileKind,
allowRazorInAllCodeBlocks,
allowUsingVariableDeclarations,
allowConditionalDataDashAttributes,
allowCSharpInMarkupAttributeArea,
allowNullableForgivenessOperator));
}
private static void AddComponentFeatures(RazorProjectEngineBuilder builder, RazorLanguageVersion razorLanguageVersion)
{
// Project Engine Features
builder.Features.Add(new ComponentImportProjectFeature());
// Directives (conditional on file kind)
ComponentCodeDirective.Register(builder);
ComponentInjectDirective.Register(builder);
ComponentLayoutDirective.Register(builder);
ComponentPageDirective.Register(builder);
if (razorLanguageVersion.CompareTo(RazorLanguageVersion.Version_6_0) >= 0)
{
ComponentConstrainedTypeParamDirective.Register(builder);
}
else
{
ComponentTypeParamDirective.Register(builder);
}
if (razorLanguageVersion.CompareTo(RazorLanguageVersion.Version_5_0) >= 0)
{
ComponentPreserveWhitespaceDirective.Register(builder);
}
// Document Classifier
builder.Features.Add(new ComponentDocumentClassifierPass());
// Directive Classifier
builder.Features.Add(new ComponentWhitespacePass());
// Optimization
builder.Features.Add(new ComponentComplexAttributeContentPass());
builder.Features.Add(new ComponentLoweringPass());
builder.Features.Add(new ComponentScriptTagPass());
builder.Features.Add(new ComponentEventHandlerLoweringPass());
builder.Features.Add(new ComponentKeyLoweringPass());
builder.Features.Add(new ComponentReferenceCaptureLoweringPass());
builder.Features.Add(new ComponentSplatLoweringPass());
builder.Features.Add(new ComponentBindLoweringPass());
builder.Features.Add(new ComponentCssScopePass());
builder.Features.Add(new ComponentTemplateDiagnosticPass());
builder.Features.Add(new ComponentGenericTypePass());
builder.Features.Add(new ComponentChildContentDiagnosticPass());
builder.Features.Add(new ComponentMarkupDiagnosticPass());
builder.Features.Add(new ComponentMarkupBlockPass());
builder.Features.Add(new ComponentMarkupEncodingPass());
}