151 lines
4.9 KiB
C#
151 lines
4.9 KiB
C#
//
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// System.Web.UI.MasterPageParser
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//
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// Authors:
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// Lluis Sanchez Gual (lluis@novell.com)
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//
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// (C) 2005-2010 Novell, Inc.
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Web;
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using System.Web.Compilation;
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using System.Web.Hosting;
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using System.Web.Util;
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namespace System.Web.UI
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{
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internal sealed class MasterPageParser: UserControlParser
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{
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Type masterType;
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string masterTypeVirtualPath;
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List <string> contentPlaceHolderIds;
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string cacheEntryName;
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internal MasterPageParser (VirtualPath virtualPath, string inputFile, HttpContext context)
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: base (virtualPath, inputFile, context, "System.Web.UI.MasterPage")
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{
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this.cacheEntryName = String.Concat ("@@MasterPagePHIDS:", virtualPath, ":", inputFile);
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contentPlaceHolderIds = HttpRuntime.InternalCache.Get (this.cacheEntryName) as List <string>;
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LoadConfigDefaults ();
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}
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internal MasterPageParser (VirtualPath virtualPath, TextReader reader, HttpContext context)
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: this (virtualPath, null, reader, context)
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{
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}
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internal MasterPageParser (VirtualPath virtualPath, string inputFile, TextReader reader, HttpContext context)
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: base (virtualPath, inputFile, reader, context)
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{
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this.cacheEntryName = String.Concat ("@@MasterPagePHIDS:", virtualPath, ":", InputFile);
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contentPlaceHolderIds = HttpRuntime.InternalCache.Get (this.cacheEntryName) as List <string>;
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LoadConfigDefaults ();
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}
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public static MasterPage GetCompiledMasterInstance (string virtualPath, string inputFile, HttpContext context)
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{
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return BuildManager.CreateInstanceFromVirtualPath (virtualPath, typeof (MasterPage)) as MasterPage;
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}
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public static Type GetCompiledMasterType (string virtualPath, string inputFile, HttpContext context)
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{
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return BuildManager.GetCompiledType (virtualPath);
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}
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internal override void HandleOptions (object obj)
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{
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base.HandleOptions (obj);
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MasterPage mp = (MasterPage)obj;
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mp.MasterPageFile = MasterPageFile;
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}
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internal override void AddDirective (string directive, IDictionary atts)
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{
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if (String.Compare ("MasterType", directive, StringComparison.OrdinalIgnoreCase) == 0) {
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PageParserFilter pfilter = PageParserFilter;
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if (pfilter != null)
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pfilter.PreprocessDirective (directive.ToLowerInvariant (), atts);
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string type = GetString (atts, "TypeName", null);
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if (type != null) {
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masterType = LoadType (type);
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if (masterType == null)
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ThrowParseException ("Could not load type '" + type + "'.");
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} else {
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string path = GetString (atts, "VirtualPath", null);
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if (!String.IsNullOrEmpty (path)) {
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var vpp = HostingEnvironment.VirtualPathProvider;
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if (!vpp.FileExists (path))
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ThrowParseFileNotFound (path);
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path = vpp.CombineVirtualPaths (VirtualPath.Absolute, VirtualPathUtility.ToAbsolute (path));
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masterTypeVirtualPath = path;
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AddDependency (path);
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} else
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ThrowParseException ("The MasterType directive must have either a TypeName or a VirtualPath attribute.");
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}
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if (masterType != null)
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AddAssembly (masterType.Assembly, true);
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}
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else
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base.AddDirective (directive, atts);
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}
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internal void AddContentPlaceHolderId (string id)
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{
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if (contentPlaceHolderIds == null) {
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contentPlaceHolderIds = new List <string> (1);
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HttpRuntime.InternalCache.Insert (cacheEntryName, contentPlaceHolderIds);
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}
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contentPlaceHolderIds.Add (id);
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}
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internal Type MasterType {
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get {
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if (masterType == null && !String.IsNullOrEmpty (masterTypeVirtualPath))
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masterType = BuildManager.GetCompiledType (masterTypeVirtualPath);
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return masterType;
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}
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}
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internal override string DefaultBaseTypeName {
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get { return "System.Web.UI.MasterPage"; }
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}
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internal override string DefaultDirectiveName {
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get { return "master"; }
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}
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}
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}
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