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

   1 //
   2 // System.Web.UI.RootBuilder
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // (C) 2003 Ximian, Inc. (http://www.ximian.com)
   8 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System.Collections;
  31 using System.Security.Permissions;
  32 using System.Web.Compilation;
  33 using System.Web.UI.HtmlControls;
  34
  35 namespace System.Web.UI {
  36
  37         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  38 #if NET_2_0
  39         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  40         public class RootBuilder : TemplateBuilder {
  41
  42                 Hashtable built_objects;
  43
  44                 public RootBuilder ()
  45                 {
  46                         foundry = new AspComponentFoundry ();
  47                         Line = 1;
  48                 }
  49 #else
  50         public sealed class RootBuilder : TemplateBuilder {
  51 #endif
  52                 static Hashtable htmlControls;
  53                 static Hashtable htmlInputControls;
  54                 AspComponentFoundry foundry;
  55
  56                 static RootBuilder ()
  57                 {
  58 #if NET_2_0
  59                         htmlControls = new Hashtable (StringComparer.InvariantCultureIgnoreCase);
  60 #else
  61                         htmlControls = new Hashtable (CaseInsensitiveHashCodeProvider.DefaultInvariant,
  62                                                       CaseInsensitiveComparer.DefaultInvariant);
  63 #endif
  64
  65                         htmlControls.Add ("A", typeof (HtmlAnchor));
  66                         htmlControls.Add ("BUTTON", typeof (HtmlButton));
  67                         htmlControls.Add ("FORM", typeof (HtmlForm));
  68 #if NET_2_0
  69                         htmlControls.Add ("HEAD", typeof (HtmlHead));
  70 #endif
  71                         htmlControls.Add ("IMG", typeof (HtmlImage));
  72                         htmlControls.Add ("INPUT", "INPUT");
  73 #if NET_2_0
  74                         htmlControls.Add ("LINK", typeof (HtmlLink));
  75                         htmlControls.Add ("META", typeof (HtmlLink));
  76 #endif
  77                         htmlControls.Add ("SELECT", typeof (HtmlSelect));
  78                         htmlControls.Add ("TABLE", typeof (HtmlTable));
  79                         htmlControls.Add ("TD", typeof (HtmlTableCell));
  80                         htmlControls.Add ("TH", typeof (HtmlTableCell));
  81                         htmlControls.Add ("TR", typeof (HtmlTableRow));
  82                         htmlControls.Add ("TEXTAREA", typeof (HtmlTextArea));
  83
  84 #if NET_2_0
  85                         htmlInputControls = new Hashtable (StringComparer.InvariantCultureIgnoreCase);
  86 #else
  87                         htmlInputControls = new Hashtable (CaseInsensitiveHashCodeProvider.DefaultInvariant,
  88                                                            CaseInsensitiveComparer.DefaultInvariant);
  89 #endif
  90
  91                         htmlInputControls.Add ("BUTTON", typeof (HtmlInputButton));
  92 #if NET_2_0
  93                         htmlInputControls.Add ("SUBMIT", typeof (HtmlInputSubmit));
  94                         htmlInputControls.Add ("RESET", typeof (HtmlInputReset));
  95 #else
  96                         htmlInputControls.Add ("SUBMIT", typeof (HtmlInputButton));
  97                         htmlInputControls.Add ("RESET", typeof (HtmlInputButton));
  98 #endif
  99                         htmlInputControls.Add ("CHECKBOX", typeof (HtmlInputCheckBox));
 100                         htmlInputControls.Add ("FILE", typeof (HtmlInputFile));
 101                         htmlInputControls.Add ("HIDDEN", typeof (HtmlInputHidden));
 102                         htmlInputControls.Add ("IMAGE", typeof (HtmlInputImage));
 103                         htmlInputControls.Add ("RADIO", typeof (HtmlInputRadioButton));
 104                         htmlInputControls.Add ("TEXT", typeof (HtmlInputText));
 105 #if NET_2_0
 106                         htmlInputControls.Add ("PASSWORD", typeof (HtmlInputPassword));
 107 #else
 108                         htmlInputControls.Add ("PASSWORD", typeof (HtmlInputText));
 109 #endif
 110                 }
 111
 112                 public RootBuilder (TemplateParser parser)
 113                 {
 114                         foundry = new AspComponentFoundry ();
 115                         Line = 1;
 116                         if (parser != null)
 117                                 FileName = parser.InputFile;
 118                         Init (parser, null, null, null, null, null);
 119                 }
 120
 121                 public override Type GetChildControlType (string tagName, IDictionary attribs)
 122                 {
 123                         if (tagName == null)
 124                                 throw new ArgumentNullException ("tagName");
 125
 126                         AspComponent component = foundry.GetComponent (tagName);
 127
 128                         if (component != null) {
 129 #if NET_2_0
 130                                 if (!String.IsNullOrEmpty (component.Source)) {
 131                                         TemplateParser parser = Parser;
 132
 133                                         if (component.FromConfig) {
 134                                                 string parserDir = parser.BaseVirtualDir;
 135                                                 VirtualPath vp = new VirtualPath (component.Source);
 136
 137                                                 if (parserDir == vp.Directory)
 138                                                         throw new ParseException (parser.Location,
 139                                                                                   String.Format ("The page '{0}' cannot use the user control '{1}', because it is registered in web.config and lives in the same directory as the page.", parser.VirtualPath, vp.Absolute));
 140
 141                                                 Parser.AddDependency (component.Source);
 142                                         }
 143                                 }
 144 #endif
 145                                 return component.Type;
 146                         } else if (component != null && component.Prefix != String.Empty)
 147                                 throw new Exception ("Unknown server tag '" + tagName + "'");
 148
 149                         return LookupHtmlControls (tagName, attribs);
 150                 }
 151
 152                 static Type LookupHtmlControls (string tagName, IDictionary attribs)
 153                 {
 154                         object o = htmlControls [tagName];
 155                         if (o is string) {
 156                                 if (attribs == null)
 157                                         throw new HttpException ("Unable to map input type control to a Type.");
 158
 159                                 string ctype = attribs ["TYPE"] as string;
 160                                 if (ctype == null)
 161                                         ctype = "TEXT"; // The default used by MS
 162
 163                                 Type t = htmlInputControls [ctype] as Type;
 164                                 if (t == null)
 165                                         throw new HttpException ("Unable to map input type control to a Type.");
 166
 167                                 return t;
 168                         }
 169
 170                         if (o == null)
 171                                 o = typeof (HtmlGenericControl);
 172
 173                         return (Type) o;
 174                 }
 175
 176                 internal AspComponentFoundry Foundry {
 177                         get { return foundry; }
 178                         set {
 179                                 if (value is AspComponentFoundry)
 180                                         foundry = value;
 181                         }
 182                 }
 183 #if NET_2_0
 184                 // FIXME: it's empty (but not null) when using the new default ctor
 185                 // but I'm not sure when something should gets in...
 186                 public IDictionary BuiltObjects {
 187                         get {
 188                                 if (built_objects == null)
 189                                         built_objects = new Hashtable ();
 190                                 return built_objects;
 191                         }
 192                 }
 193 #endif
 194         }
 195 }