mcs/class/System.Web/System.Web.UI/MasterPageParser.cs

   1 //
   2 // System.Web.UI.MasterPageParser
   3 //
   4 // Authors:
   5 //   Lluis Sanchez Gual (lluis@novell.com)
   6 //
   7 // (C) 2005 Novell, Inc.
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 #if NET_2_0
  32
  33 using System;
  34 using System.Collections;
  35 using System.Collections.Generic;
  36 using System.IO;
  37 using System.Web;
  38 using System.Web.Compilation;
  39 using System.Web.Util;
  40
  41 namespace System.Web.UI
  42 {
  43         internal sealed class MasterPageParser: UserControlParser
  44         {
  45                 Type masterType;
  46                 List <string> contentPlaceHolderIds;
  47                 string cacheEntryName;
  48
  49                 internal MasterPageParser (string virtualPath, string inputFile, HttpContext context)
  50                 : base (virtualPath, inputFile, context, "System.Web.UI.MasterPage")
  51                 {
  52                         this.cacheEntryName = String.Format ("@@MasterPagePHIDS:{0}:{1}", virtualPath, inputFile);
  53
  54                         contentPlaceHolderIds = HttpRuntime.InternalCache.Get (this.cacheEntryName) as List <string>;
  55                 }
  56
  57                 public static MasterPage GetCompiledMasterInstance (string virtualPath, string inputFile, HttpContext context)
  58                 {
  59                         MasterPageParser mpp = new MasterPageParser (virtualPath, inputFile, context);
  60                         MasterPage mp = (MasterPage) mpp.GetCompiledInstance ();
  61                         mp.SetPlaceHolderIds (mpp.contentPlaceHolderIds);
  62                         return mp;
  63                 }
  64
  65                 public static Type GetCompiledMasterType (string virtualPath, string inputFile, HttpContext context)
  66                 {
  67                         MasterPageParser mpp = new MasterPageParser (virtualPath, inputFile, context);
  68                         return mpp.CompileIntoType ();
  69                 }
  70
  71                 internal override void HandleOptions (object obj)
  72                 {
  73                         base.HandleOptions (obj);
  74
  75                         MasterPage mp = (MasterPage)obj;
  76                         mp.MasterPageFile = MasterPageFile;
  77                 }
  78
  79                 internal override void AddDirective (string directive, Hashtable atts)
  80                 {
  81                         if (String.Compare ("MasterType", directive, true) == 0) {
  82                                 string type = GetString (atts, "TypeName", null);
  83                                 if (type != null) {
  84                                         masterType = LoadType (type);
  85                                         if (masterType == null)
  86                                                 ThrowParseException ("Could not load type '" + type + "'.");
  87                                 } else {
  88                                         string path = GetString (atts, "VirtualPath", null);
  89                                         if (path != null)
  90                                                 masterType = MasterPageParser.GetCompiledMasterType (path, MapPath (path), HttpContext.Current);
  91                                         else
  92                                                 ThrowParseException ("The MasterType directive must have either a TypeName or a VirtualPath attribute.");                               }
  93                                 AddAssembly (masterType.Assembly, true);
  94                         }
  95                         else
  96                                 base.AddDirective (directive, atts);
  97                 }
  98
  99                 internal void AddContentPlaceHolderId (string id)
 100                 {
 101                         if (contentPlaceHolderIds == null) {
 102                                 contentPlaceHolderIds = new List <string> (1);
 103                                 HttpRuntime.InternalCache.Insert (cacheEntryName, contentPlaceHolderIds);
 104                         }
 105
 106                         contentPlaceHolderIds.Add (id);
 107                 }
 108
 109                 internal Type MasterType {
 110                         get { return masterType; }
 111                 }
 112
 113                 internal override Type DefaultBaseType {
 114                         get { return typeof (MasterPage); }
 115                 }
 116
 117                 internal override string DefaultBaseTypeName {
 118                         get { return "System.Web.UI.MasterPage"; }
 119                 }
 120
 121                 internal override string DefaultDirectiveName {
 122                         get { return "master"; }
 123                 }
 124         }
 125 }
 126
 127 #endif