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React to aspnet/Razor#214 mvchook changes.

This commit is contained in:
N. Taylor Mullen 2014-11-18 16:03:59 -08:00
parent 1cf6607e75
commit 9c4d5dcf5c
1 changed files with 29 additions and 7 deletions
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36
src/Microsoft.AspNet.Mvc.Razor.Host/MvcRazorParser.cs
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@ -6,6 +6,7 @@ using System.Linq;
using Microsoft.AspNet.Razor.Generator.Compiler;
using Microsoft.AspNet.Razor.Parser;
using Microsoft.AspNet.Razor.Parser.SyntaxTree;
using Microsoft.AspNet.Razor.Parser.TagHelpers;
using Microsoft.AspNet.Razor.TagHelpers;
namespace Microsoft.AspNet.Mvc.Razor
@ -33,16 +34,37 @@ namespace Microsoft.AspNet.Mvc.Razor
/// <inheritdoc />
protected override IEnumerable<TagHelperDescriptor> GetTagHelperDescriptors([NotNull] Block documentRoot)
{
var descriptors = base.GetTagHelperDescriptors(documentRoot);
// Grab all the @addtaghelper chunks from view starts and construct TagHelperDirectiveDescriptors
var directiveDescriptors = _viewStartChunks.OfType<AddTagHelperChunk>()
.Select(chunk => new TagHelperDirectiveDescriptor(
chunk.LookupText,
TagHelperDirectiveType.AddTagHelper));
// TODO: https://github.com/aspnet/Razor/issues/112 Needs to support RemvoeHelperChunks too.
var visitor = new ViewStartAddRemoveTagHelperVisitor(TagHelperDescriptorResolver,
directiveDescriptors);
var descriptors = visitor.GetDescriptors(documentRoot);
// Grab all the @addTagHelper chunks from view starts
var viewStartDescriptors = _viewStartChunks.OfType<AddTagHelperChunk>()
.Select(c => c.LookupText)
.SelectMany(TagHelperDescriptorResolver.Resolve);
return descriptors;
}
return descriptors.Concat(viewStartDescriptors);
private class ViewStartAddRemoveTagHelperVisitor : AddOrRemoveTagHelperSpanVisitor
{
private readonly IEnumerable<TagHelperDirectiveDescriptor> _viewStartDirectiveDescriptors;
public ViewStartAddRemoveTagHelperVisitor(
ITagHelperDescriptorResolver descriptorResolver,
IEnumerable<TagHelperDirectiveDescriptor> viewStartDirectiveDescriptors)
: base(descriptorResolver)
{
_viewStartDirectiveDescriptors = viewStartDirectiveDescriptors;
}
protected override TagHelperDescriptorResolutionContext GetTagHelperDescriptorResolutionContext(
IEnumerable<TagHelperDirectiveDescriptor> descriptors)
{
return base.GetTagHelperDescriptorResolutionContext(
_viewStartDirectiveDescriptors.Concat(descriptors));
}
}
}
}