private TagHelperDescriptor CreateChildContentDescriptor(ComponentSymbols symbols, TagHelperDescriptor component, BoundAttributeDescriptor attribute)
{
var typeName = component.GetTypeName() + "." + attribute.Name;
var assemblyName = component.AssemblyName;
var builder = TagHelperDescriptorBuilder.Create(ComponentMetadata.ChildContent.TagHelperKind, typeName, assemblyName);
builder.SetTypeName(typeName);
builder.CaseSensitive = true;
// This opts out this 'component' tag helper for any processing that's specific to the default
// Razor ITagHelper runtime.
builder.Metadata[TagHelperMetadata.Runtime.Name] = ComponentMetadata.ChildContent.RuntimeName;
// Opt out of processing as a component. We'll process this specially as part of the component's body.
builder.Metadata[ComponentMetadata.SpecialKindKey] = ComponentMetadata.ChildContent.TagHelperKind;
var xml = attribute.Documentation;
if (!string.IsNullOrEmpty(xml))
{
builder.Documentation = xml;
}
// Child content matches the property name, but only as a direct child of the component.
builder.TagMatchingRule(r =>
{
r.TagName = attribute.Name;
r.ParentTag = component.TagMatchingRules.First().TagName;
});
if (attribute.IsParameterizedChildContentProperty())
{
// For child content attributes with a parameter, synthesize an attribute that allows you to name
// the parameter.
CreateContextParameter(builder, attribute.Name);
}
if (component.IsComponentFullyQualifiedNameMatch())
{
builder.Metadata[ComponentMetadata.Component.NameMatchKey] = ComponentMetadata.Component.FullyQualifiedNameMatch;
}
var descriptor = builder.Build();
return(descriptor);
}