102 lines
3.8 KiB
C#
102 lines
3.8 KiB
C#
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.CodeDom;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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using System.Linq;
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using System.Web.Razor.Generator;
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using System.Web.Razor.Parser;
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namespace System.Web.WebPages.Razor
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{
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public class WebCodeRazorHost : WebPageRazorHost
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{
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private const string AppCodeDir = "App_Code";
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private const string HttpContextAccessorName = "Context";
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private static readonly string _helperPageBaseType = typeof(HelperPage).FullName;
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[SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors", Justification = "The code path is safe, it is a property setter and not dependent on other state")]
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public WebCodeRazorHost(string virtualPath)
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: base(virtualPath)
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{
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DefaultBaseClass = _helperPageBaseType;
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DefaultNamespace = DetermineNamespace(virtualPath);
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DefaultDebugCompilation = false;
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StaticHelpers = true;
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}
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[SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors", Justification = "The code path is safe, it is a property setter and not dependent on other state")]
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public WebCodeRazorHost(string virtualPath, string physicalPath)
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: base(virtualPath, physicalPath)
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{
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DefaultBaseClass = _helperPageBaseType;
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DefaultNamespace = DetermineNamespace(virtualPath);
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DefaultDebugCompilation = false;
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StaticHelpers = true;
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}
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public override void PostProcessGeneratedCode(CodeGeneratorContext context)
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{
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base.PostProcessGeneratedCode(context);
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// Yank out the execute method (ignored in Razor Web Code pages)
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context.GeneratedClass.Members.Remove(context.TargetMethod);
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// Make ApplicationInstance static
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CodeMemberProperty appInstanceProperty =
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context.GeneratedClass.Members
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.OfType<CodeMemberProperty>()
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.Where(p => ApplicationInstancePropertyName
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.Equals(p.Name))
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.SingleOrDefault();
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if (appInstanceProperty != null)
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{
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appInstanceProperty.Attributes |= MemberAttributes.Static;
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}
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}
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protected override string GetClassName(string virtualPath)
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{
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return ParserHelpers.SanitizeClassName(Path.GetFileNameWithoutExtension(virtualPath));
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}
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private static string DetermineNamespace(string virtualPath)
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{
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// Normailzize the virtual path
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virtualPath = virtualPath.Replace(Path.DirectorySeparatorChar, '/');
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// Get the directory
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virtualPath = GetDirectory(virtualPath);
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// Skip the App_Code segment if any
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int appCodeIndex = virtualPath.IndexOf(AppCodeDir, StringComparison.OrdinalIgnoreCase);
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if (appCodeIndex != -1)
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{
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virtualPath = virtualPath.Substring(appCodeIndex + AppCodeDir.Length);
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}
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// Get the segments removing any empty entries
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IEnumerable<string> segments = virtualPath.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
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if (!segments.Any())
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{
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return WebDefaultNamespace;
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}
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return WebDefaultNamespace + "." + String.Join(".", segments);
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}
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private static string GetDirectory(string virtualPath)
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{
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int lastSlash = virtualPath.LastIndexOf('/');
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if (lastSlash != -1)
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{
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return virtualPath.Substring(0, lastSlash);
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}
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return String.Empty;
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}
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}
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}
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