mcs/class/System.Xaml/System.Xaml/XamlDirective.cs

   1 //
   2 // Copyright (C) 2010 Novell Inc. http://novell.com
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining
   5 // a copy of this software and associated documentation files (the
   6 // "Software"), to deal in the Software without restriction, including
   7 // without limitation the rights to use, copy, modify, merge, publish,
   8 // distribute, sublicense, and/or sell copies of the Software, and to
   9 // permit persons to whom the Software is furnished to do so, subject to
  10 // the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be
  13 // included in all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22 //
  23 using System;
  24 using System.Collections.Generic;
  25 using System.ComponentModel;
  26 using System.Linq;
  27 using System.Reflection;
  28 using System.Xaml.Schema;
  29
  30 namespace System.Xaml
  31 {
  32         public class XamlDirective : XamlMember
  33         {
  34                 class DirectiveMemberInvoker : XamlMemberInvoker
  35                 {
  36                         XamlDirective directive;
  37
  38                         public DirectiveMemberInvoker (XamlDirective directive)
  39                         {
  40                         }
  41                 }
  42
  43                 public XamlDirective (string xamlNamespace, string name)
  44                         : this (new string [] {xamlNamespace}, name, new XamlType (typeof (object), new XamlSchemaContext (new XamlSchemaContextSettings ())), null, AllowedMemberLocations.Any)
  45                 {
  46                         if (xamlNamespace == null)
  47                                 throw new ArgumentNullException ("xamlNamespace");
  48                         is_unknown = true;
  49                 }
  50
  51                 public XamlDirective (IEnumerable<string> xamlNamespaces, string name, XamlType xamlType, XamlValueConverter<TypeConverter> typeConverter, AllowedMemberLocations allowedLocation)
  52                         : base (true, xamlNamespaces != null ? xamlNamespaces.FirstOrDefault () : null, name)
  53                 {
  54                         if (xamlNamespaces == null)
  55                                 throw new ArgumentNullException ("xamlNamespaces");
  56                         if (xamlType == null)
  57                                 throw new ArgumentNullException ("xamlType");
  58
  59                         type = xamlType;
  60                         xaml_namespaces = new List<string> (xamlNamespaces);
  61                         AllowedLocation = allowedLocation;
  62                         type_converter = typeConverter;
  63
  64                         invoker = new DirectiveMemberInvoker (this);
  65                 }
  66
  67                 public AllowedMemberLocations AllowedLocation { get; private set; }
  68                 XamlValueConverter<TypeConverter> type_converter;
  69                 XamlType type;
  70                 XamlMemberInvoker invoker;
  71                 bool is_unknown;
  72                 IList<string> xaml_namespaces;
  73
  74                 // this is for XamlLanguage.UnknownContent
  75                 internal bool InternalIsUnknown {
  76                         set { is_unknown = value; }
  77                 }
  78
  79                 public override int GetHashCode ()
  80                 {
  81                         throw new NotImplementedException ();
  82                 }
  83
  84                 public override IList<string> GetXamlNamespaces ()
  85                 {
  86                         return xaml_namespaces;
  87                 }
  88
  89                 protected override sealed ICustomAttributeProvider LookupCustomAttributeProvider ()
  90                 {
  91                         return null; // as documented.
  92                 }
  93
  94                 protected override sealed XamlValueConverter<XamlDeferringLoader> LookupDeferringLoader ()
  95                 {
  96                         return null; // as documented.
  97                 }
  98
  99                 protected override sealed IList<XamlMember> LookupDependsOn ()
 100                 {
 101                         return null; // as documented.
 102                 }
 103
 104                 protected override sealed XamlMemberInvoker LookupInvoker ()
 105                 {
 106                         return invoker;
 107                 }
 108
 109                 protected override sealed bool LookupIsAmbient ()
 110                 {
 111                         return false;
 112                 }
 113
 114                 protected override sealed bool LookupIsEvent ()
 115                 {
 116                         return false;
 117                 }
 118
 119                 protected override sealed bool LookupIsReadOnly ()
 120                 {
 121                         return false;
 122                 }
 123
 124                 protected override sealed bool LookupIsReadPublic ()
 125                 {
 126                         return true;
 127                 }
 128
 129                 protected override sealed bool LookupIsUnknown ()
 130                 {
 131                         return is_unknown;
 132                 }
 133
 134                 protected override sealed bool LookupIsWriteOnly ()
 135                 {
 136                         return false;
 137                 }
 138
 139                 protected override sealed bool LookupIsWritePublic ()
 140                 {
 141                         return true;
 142                 }
 143
 144                 protected override sealed XamlType LookupTargetType ()
 145                 {
 146                         return null;
 147                 }
 148
 149                 protected override sealed XamlType LookupType ()
 150                 {
 151                         return type;
 152                 }
 153
 154                 protected override sealed XamlValueConverter<TypeConverter> LookupTypeConverter ()
 155                 {
 156                         if (type_converter == null)
 157                                 type_converter = base.LookupTypeConverter ();
 158                         return type_converter;
 159                 }
 160
 161                 protected override sealed MethodInfo LookupUnderlyingGetter ()
 162                 {
 163                         return null;
 164                 }
 165
 166                 protected override sealed MemberInfo LookupUnderlyingMember ()
 167                 {
 168                         return null;
 169                 }
 170
 171                 protected override sealed MethodInfo LookupUnderlyingSetter ()
 172                 {
 173                         return null;
 174                 }
 175
 176                 public override string ToString ()
 177                 {
 178                         return String.IsNullOrEmpty (PreferredXamlNamespace) ? Name : String.Concat ("{", PreferredXamlNamespace, "}", Name);
 179                 }
 180         }
 181 }