mcs/class/System.Web.Mobile/System.Web.Mobile/DeviceFilterDictionary.cs

   1
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  22 /**
  23  * Project   : Mono
  24  * Namespace : System.Web.Mobile
  25  * Class     : DeviceFilterDictionary
  26  * Author    : Gaurav Vaish
  27  *
  28  * Copyright : 2003 with Gaurav Vaish, and with
  29  *             Ximian Inc
  30  */
  31
  32 using System;
  33 using System.Collections;
  34 using System.Web;
  35 using System.Web.UI;
  36
  37 namespace System.Web.Mobile
  38 {
  39         class DeviceFilterDictionary
  40         {
  41                 internal class ComparisonEvaluator
  42                 {
  43                         public readonly string Name;
  44                         public readonly string Argument;
  45
  46                         public ComparisonEvaluator(string name, string argument)
  47                         {
  48                                 this.Name = name;
  49                                 this.Argument = argument;
  50                         }
  51                 }
  52
  53                 // for comparisons
  54                 private Hashtable cmpEvaluators;
  55
  56                 // for delegates
  57                 private Hashtable dlgEvaluators;
  58
  59                 internal DeviceFilterDictionary()
  60                 {
  61                         this.cmpEvaluators = new Hashtable();
  62                         this.dlgEvaluators = new Hashtable();
  63                 }
  64
  65                 internal DeviceFilterDictionary(DeviceFilterDictionary init)
  66                 {
  67                         this.cmpEvaluators = (Hashtable)init.cmpEvaluators.Clone();
  68                         this.dlgEvaluators = (Hashtable)init.dlgEvaluators.Clone();
  69                 }
  70
  71                 internal void AddCapabilityDelegate(string name,
  72                                    MobileCapabilities.EvaluateCapabilitiesHandler handler)
  73                 {
  74                         dlgEvaluators[name] = handler;
  75                 }
  76
  77                 internal void AddComparisonDelegate(string delegateName,
  78                                   string comparisonName, string argument)
  79                 {
  80                         this.cmpEvaluators[delegateName] =
  81                                 new ComparisonEvaluator(comparisonName, argument);
  82                 }
  83
  84                 private void InvalidateComparisonDelegateLoops(string name)
  85                 {
  86                         // throws exception in case of a loop
  87                         throw new NotImplementedException();
  88                 }
  89
  90                 internal bool LocateComparisonEvaluator(string evaluatorName,
  91                                out string capabilityName, out string capArgument)
  92                 {
  93                         throw new NotImplementedException();
  94                 }
  95
  96                 internal bool LocateDelegateEvaluator(string name,
  97                      out MobileCapabilities.EvaluateCapabilitiesHandler result)
  98                 {
  99                         throw new NotImplementedException();
 100                 }
 101
 102                 internal bool IsComparisonEvaluator(string name)
 103                 {
 104                         return cmpEvaluators.Contains(name);
 105                 }
 106
 107                 internal bool IsDelegateEvaluator(string name)
 108                 {
 109                         return dlgEvaluators.Contains(name);
 110                 }
 111         }
 112 }