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
   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;
  31 using System.Collections;
  32 using System.Web.Compilation;
  33 using System.Web.UI.HtmlControls;
  34
  35 namespace System.Web.UI
  36 {
  37         public sealed class RootBuilder : TemplateBuilder
  38         {
  39                 static Hashtable htmlControls;
  40                 static Hashtable htmlInputControls;
  41                 AspComponentFoundry foundry;
  42
  43                 static RootBuilder ()
  44                 {
  45                         htmlControls = new Hashtable (new CaseInsensitiveHashCodeProvider (),
  46                                                       new CaseInsensitiveComparer ());
  47
  48                         htmlControls.Add ("A", typeof (HtmlAnchor));
  49                         htmlControls.Add ("BUTTON", typeof (HtmlButton));
  50                         htmlControls.Add ("FORM", typeof (HtmlForm));
  51                         htmlControls.Add ("IMG", typeof (HtmlImage));
  52                         htmlControls.Add ("INPUT", "INPUT");
  53                         htmlControls.Add ("SELECT", typeof (HtmlSelect));
  54                         htmlControls.Add ("TABLE", typeof (HtmlTable));
  55                         htmlControls.Add ("TD", typeof (HtmlTableCell));
  56                         htmlControls.Add ("TH", typeof (HtmlTableCell));
  57                         htmlControls.Add ("TR", typeof (HtmlTableRow));
  58                         htmlControls.Add ("TEXTAREA", typeof (HtmlTextArea));
  59
  60                         htmlInputControls = new Hashtable (new CaseInsensitiveHashCodeProvider (),
  61                                                            new CaseInsensitiveComparer ());
  62
  63                         htmlInputControls.Add ("BUTTON", typeof (HtmlInputButton));
  64                         htmlInputControls.Add ("SUBMIT", typeof (HtmlInputButton));
  65                         htmlInputControls.Add ("RESET", typeof (HtmlInputButton));
  66                         htmlInputControls.Add ("CHECKBOX", typeof (HtmlInputCheckBox));
  67                         htmlInputControls.Add ("FILE", typeof (HtmlInputFile));
  68                         htmlInputControls.Add ("HIDDEN", typeof (HtmlInputHidden));
  69                         htmlInputControls.Add ("IMAGE", typeof (HtmlInputImage));
  70                         htmlInputControls.Add ("RADIO", typeof (HtmlInputRadioButton));
  71                         htmlInputControls.Add ("TEXT", typeof (HtmlInputText));
  72                         htmlInputControls.Add ("PASSWORD", typeof (HtmlInputText));
  73                 }
  74
  75                 public RootBuilder (TemplateParser parser)
  76                 {
  77                         foundry = new AspComponentFoundry ();
  78                         line = 1;
  79                         fileName = parser.InputFile;
  80                         Init (parser, null, null, null, null, null);
  81                 }
  82
  83                 public override Type GetChildControlType (string tagName, IDictionary attribs)
  84                 {
  85                         string prefix;
  86                         string cname;
  87                         int colon = tagName.IndexOf (':');
  88                         if (colon != -1) {
  89                                 if (colon == 0)
  90                                         throw new Exception ("Empty TagPrefix is not valid");
  91
  92                                 if (colon + 1 == tagName.Length)
  93                                         return null;
  94
  95                                 prefix = tagName.Substring (0, colon);
  96                                 cname = tagName.Substring (colon + 1);
  97                         } else {
  98                                 prefix = "";
  99                                 cname = tagName;
 100                         }
 101
 102                         Type t = foundry.GetComponentType (prefix, cname);
 103                         if (t != null)
 104                                 return t;
 105                         else if (prefix != "")
 106                                 throw new Exception ("TagPrefix " + prefix + " not registered");
 107
 108                         return LookupHtmlControls (tagName, attribs);
 109                 }
 110
 111                 static Type LookupHtmlControls (string tagName, IDictionary attribs)
 112                 {
 113                         object o = htmlControls [tagName];
 114                         if (o is string) {
 115                                 if (attribs == null)
 116                                         throw new HttpException ("Unable to map input type control to a Type.");
 117
 118                                 string ctype = attribs ["TYPE"] as string;
 119                                 if (ctype == null)
 120                                         ctype = "TEXT"; // The default used by MS
 121
 122                                 Type t = htmlInputControls [ctype] as Type;
 123                                 if (t == null)
 124                                         throw new HttpException ("Unable to map input type control to a Type.");
 125
 126                                 return t;
 127                         }
 128
 129                         if (o == null)
 130                                 o = typeof (HtmlGenericControl);
 131
 132                         return (Type) o;
 133                 }
 134
 135                 internal AspComponentFoundry Foundry {
 136                         get { return foundry; }
 137                 }
 138         }
 139 }
 140