mcs/class/System.Web/System.Web.Compilation/Directive.cs

   1 //
   2 // System.Web.Compilation.Directive
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // (C) 2003 Ximian, Inc (http://www.ximian.com)
   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 using System;
  32 using System.Collections;
  33
  34 namespace System.Web.Compilation
  35 {
  36         sealed class Directive
  37         {
  38                 static Hashtable directivesHash;
  39                 static string [] page_atts = {  "AspCompat", "AutoEventWireup", "Buffer",
  40                                                 "ClassName", "ClientTarget", "CodePage",
  41                                                 "CompilerOptions", "ContentType", "Culture", "Debug",
  42                                                 "Description", "EnableSessionState", "EnableViewState",
  43                                                 "EnableViewStateMac", "ErrorPage", "Explicit",
  44                                                 "Inherits", "Language", "LCID", "ResponseEncoding",
  45                                                 "Src", "SmartNavigation", "Strict", "Trace",
  46                                                 "TraceMode", "Transaction", "UICulture",
  47                                                 "WarningLevel", "CodeBehind" , "ValidateRequest" };
  48
  49                 static string [] control_atts = { "AutoEventWireup", "ClassName", "CompilerOptions",
  50                                                   "Debug", "Description", "EnableViewState",
  51                                                   "Explicit", "Inherits", "Language", "Strict", "Src",
  52                                                   "WarningLevel", "CodeBehind", "TargetSchema" };
  53
  54                 static string [] import_atts = { "namespace" };
  55                 static string [] implements_atts = { "interface" };
  56                 static string [] assembly_atts = { "name", "src" };
  57                 static string [] register_atts = { "tagprefix", "tagname", "Namespace", "Src", "Assembly" };
  58
  59                 static string [] outputcache_atts = { "Duration", "Location", "VaryByControl",
  60                                                       "VaryByCustom", "VaryByHeader", "VaryByParam" };
  61
  62                 static string [] reference_atts = { "page", "control" };
  63
  64                 static string [] webservice_atts = { "class", "codebehind", "debug", "language" };
  65
  66                 static string [] application_atts = { "description", "inherits", "codebehind" };
  67
  68                 static Directive ()
  69                 {
  70                         InitHash ();
  71                 }
  72
  73                 private static void InitHash ()
  74                 {
  75                         CaseInsensitiveHashCodeProvider provider = new CaseInsensitiveHashCodeProvider ();
  76                         CaseInsensitiveComparer comparer =  new CaseInsensitiveComparer ();
  77
  78                         directivesHash = new Hashtable (provider, comparer);
  79
  80                         // Use Hashtable 'cause is O(1) in Contains (ArrayList is O(n))
  81                         Hashtable valid_attributes = new Hashtable (provider, comparer);
  82                         foreach (string att in page_atts) valid_attributes.Add (att, null);
  83                         directivesHash.Add ("PAGE", valid_attributes);
  84
  85                         valid_attributes = new Hashtable (provider, comparer);
  86                         foreach (string att in control_atts) valid_attributes.Add (att, null);
  87                         directivesHash.Add ("CONTROL", valid_attributes);
  88
  89                         valid_attributes = new Hashtable (provider, comparer);
  90                         foreach (string att in import_atts) valid_attributes.Add (att, null);
  91                         directivesHash.Add ("IMPORT", valid_attributes);
  92
  93                         valid_attributes = new Hashtable (provider, comparer);
  94                         foreach (string att in implements_atts) valid_attributes.Add (att, null);
  95                         directivesHash.Add ("IMPLEMENTS", valid_attributes);
  96
  97                         valid_attributes = new Hashtable (provider, comparer);
  98                         foreach (string att in register_atts) valid_attributes.Add (att, null);
  99                         directivesHash.Add ("REGISTER", valid_attributes);
 100
 101                         valid_attributes = new Hashtable (provider, comparer);
 102                         foreach (string att in assembly_atts) valid_attributes.Add (att, null);
 103                         directivesHash.Add ("ASSEMBLY", valid_attributes);
 104
 105                         valid_attributes = new Hashtable (provider, comparer);
 106                         foreach (string att in outputcache_atts) valid_attributes.Add (att, null);
 107                         directivesHash.Add ("OUTPUTCACHE", valid_attributes);
 108
 109                         valid_attributes = new Hashtable (provider, comparer);
 110                         foreach (string att in reference_atts) valid_attributes.Add (att, null);
 111                         directivesHash.Add ("REFERENCE", valid_attributes);
 112
 113                         valid_attributes = new Hashtable (provider, comparer);
 114                         foreach (string att in webservice_atts) valid_attributes.Add (att, null);
 115                         directivesHash.Add ("WEBSERVICE", valid_attributes);
 116
 117                         valid_attributes = new Hashtable (provider, comparer);
 118                         // same attributes as webservice
 119                         foreach (string att in webservice_atts) valid_attributes.Add (att, null);
 120                         directivesHash.Add ("WEBHANDLER", valid_attributes);
 121
 122                         valid_attributes = new Hashtable (provider, comparer);
 123                         foreach (string att in application_atts) valid_attributes.Add (att, null);
 124                         directivesHash.Add ("APPLICATION", valid_attributes);
 125                 }
 126
 127                 private Directive () { }
 128
 129                 public static bool IsDirective (string id)
 130                 {
 131                         return directivesHash.Contains (id);
 132                 }
 133         }
 134 }
 135