mcs/class/System.Xaml/System.Xaml/ValueSerializerContext.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
  24 using System;
  25 using System.Collections.Generic;
  26 using System.ComponentModel;
  27 using System.IO;
  28 using System.Linq;
  29 using System.Reflection;
  30 using System.Text;
  31 using System.Windows.Markup;
  32 using System.Xaml;
  33 using System.Xaml.Schema;
  34 using System.Xml;
  35
  36 namespace System.Xaml
  37 {
  38         internal class ValueSerializerContext : IValueSerializerContext, IXamlSchemaContextProvider
  39         {
  40                 XamlNameResolver name_resolver = new XamlNameResolver ();
  41                 XamlTypeResolver type_resolver;
  42                 NamespaceResolver namespace_resolver;
  43                 PrefixLookup prefix_lookup;
  44                 XamlSchemaContext sctx;
  45
  46                 public ValueSerializerContext (PrefixLookup prefixLookup, XamlSchemaContext schemaContext)
  47                 {
  48                         if (prefixLookup == null)
  49                                 throw new ArgumentNullException ("prefixLookup");
  50                         if (schemaContext == null)
  51                                 throw new ArgumentNullException ("schemaContext");
  52                         prefix_lookup = prefixLookup;
  53                         namespace_resolver = new NamespaceResolver (prefix_lookup.Namespaces);
  54                         type_resolver = new XamlTypeResolver (namespace_resolver, schemaContext);
  55                         sctx = schemaContext;
  56                 }
  57
  58                 public object GetService (Type serviceType)
  59                 {
  60                         if (serviceType == typeof (INamespacePrefixLookup))
  61                                 return prefix_lookup;
  62                         if (serviceType == typeof (IXamlNamespaceResolver))
  63                                 return namespace_resolver;
  64                         if (serviceType == typeof (IXamlNameResolver))
  65                                 return name_resolver;
  66                         if (serviceType == typeof (IXamlNameProvider))
  67                                 return name_resolver;
  68                         if (serviceType == typeof (IXamlTypeResolver))
  69                                 return type_resolver;
  70                         if (serviceType == typeof (IXamlSchemaContextProvider))
  71                                 return this;
  72                         return null;
  73                 }
  74
  75                 XamlSchemaContext IXamlSchemaContextProvider.SchemaContext {
  76                         get { return sctx; }
  77                 }
  78
  79                 public IContainer Container {
  80                         get { throw new NotImplementedException (); }
  81                 }
  82                 public object Instance {
  83                         get { throw new NotImplementedException (); }
  84                 }
  85                 public PropertyDescriptor PropertyDescriptor {
  86                         get { throw new NotImplementedException (); }
  87                 }
  88                 public void OnComponentChanged ()
  89                 {
  90                         throw new NotImplementedException ();
  91                 }
  92                 public bool OnComponentChanging ()
  93                 {
  94                         throw new NotImplementedException ();
  95                 }
  96                 public ValueSerializer GetValueSerializerFor (PropertyDescriptor descriptor)
  97                 {
  98                         throw new NotImplementedException ();
  99                 }
 100                 public ValueSerializer GetValueSerializerFor (Type type)
 101                 {
 102                         throw new NotImplementedException ();
 103                 }
 104         }
 105
 106         internal class XamlTypeResolver : IXamlTypeResolver
 107         {
 108                 NamespaceResolver ns_resolver;
 109                 XamlSchemaContext schema_context;
 110
 111                 public XamlTypeResolver (NamespaceResolver namespaceResolver, XamlSchemaContext schemaContext)
 112                 {
 113                         ns_resolver = namespaceResolver;
 114                         schema_context = schemaContext;
 115                 }
 116
 117                 public Type Resolve (string typeName)
 118                 {
 119                         var tn = XamlTypeName.Parse (typeName, ns_resolver);
 120                         var xt = schema_context.GetXamlType (tn);
 121                         return xt != null ? xt.UnderlyingType : null;
 122                 }
 123         }
 124
 125         internal class NamespaceResolver : IXamlNamespaceResolver
 126         {
 127                 public NamespaceResolver (IList<NamespaceDeclaration> source)
 128                 {
 129                         this.source = source;
 130                 }
 131
 132                 IList<NamespaceDeclaration> source;
 133
 134                 public string GetNamespace (string prefix)
 135                 {
 136                         foreach (var nsd in source)
 137                                 if (nsd.Prefix == prefix)
 138                                         return nsd.Namespace;
 139                         return null;
 140                 }
 141
 142                 public IEnumerable<NamespaceDeclaration> GetNamespacePrefixes ()
 143                 {
 144                         return source;
 145                 }
 146         }
 147 }