aspnetcore/src/Microsoft.AspNet.Mvc.Razor..../MvcCSharpCodeBuilder.cs

82 lines
3.2 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System.Globalization;
using Microsoft.AspNet.Mvc.Razor.Directives;
using Microsoft.AspNet.Razor.Generator;
using Microsoft.AspNet.Razor.Generator.Compiler;
using Microsoft.AspNet.Razor.Generator.Compiler.CSharp;
using Microsoft.Framework.Internal;
namespace Microsoft.AspNet.Mvc.Razor
{
public class MvcCSharpCodeBuilder : CSharpCodeBuilder
{
private readonly GeneratedTagHelperAttributeContext _tagHelperAttributeContext;
private readonly string _defaultModel;
private readonly string _activateAttribute;
public MvcCSharpCodeBuilder([NotNull] CodeBuilderContext context,
[NotNull] string defaultModel,
[NotNull] string activateAttribute,
[NotNull] GeneratedTagHelperAttributeContext tagHelperAttributeContext)
: base(context)
{
_tagHelperAttributeContext = tagHelperAttributeContext;
_defaultModel = defaultModel;
_activateAttribute = activateAttribute;
}
private string Model { get; set; }
protected override CSharpCodeVisitor CreateCSharpCodeVisitor([NotNull] CSharpCodeWriter writer,
[NotNull] CodeBuilderContext context)
{
var csharpCodeVisitor = base.CreateCSharpCodeVisitor(writer, context);
csharpCodeVisitor.TagHelperRenderer.AttributeValueCodeRenderer =
new MvcTagHelperAttributeValueCodeRenderer(_tagHelperAttributeContext);
return csharpCodeVisitor;
}
protected override CSharpCodeWritingScope BuildClassDeclaration(CSharpCodeWriter writer)
{
// Grab the last model chunk so it gets intellisense.
var modelChunk = ChunkHelper.GetModelChunk(Context.CodeTreeBuilder.CodeTree);
Model = modelChunk != null ? modelChunk.ModelType : _defaultModel;
// If there were any model chunks then we need to modify the class declaration signature.
if (modelChunk != null)
{
writer.Write(string.Format(CultureInfo.InvariantCulture, "public class {0} : ", Context.ClassName));
var modelVisitor = new ModelChunkVisitor(writer, Context);
// This generates the base class signature
modelVisitor.Accept(modelChunk);
writer.WriteLine();
return new CSharpCodeWritingScope(writer);
}
else
{
return base.BuildClassDeclaration(writer);
}
}
protected override void BuildConstructor([NotNull] CSharpCodeWriter writer)
{
base.BuildConstructor(writer);
writer.WriteLineHiddenDirective();
var injectVisitor = new InjectChunkVisitor(writer, Context, _activateAttribute);
injectVisitor.Accept(Context.CodeTreeBuilder.CodeTree.Chunks);
writer.WriteLine();
writer.WriteLineHiddenDirective();
}
}
}