Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.ServiceModel/System/ServiceModel/XamlIntegration/XPathMessageContextMarkupExtension.cs

@@ -0,0 +1,65 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+namespace System.ServiceModel.XamlIntegration
+{
+    using System;
+    using System.Collections.Generic;
+    using System.ServiceModel.Dispatcher;
+    using System.Windows.Markup;
+
+    [ContentProperty("Namespaces")]
+    public class XPathMessageContextMarkupExtension : MarkupExtension
+    {
+        static List<string> implicitPrefixes;
+        Dictionary<string, string> namespaces;
+
+        static XPathMessageContextMarkupExtension()
+        {
+            implicitPrefixes = new List<string>();
+
+            foreach (string prefix in XPathMessageContext.defaultNamespaces.Keys)
+            {
+                implicitPrefixes.Add(prefix);
+            }
+
+            implicitPrefixes.Add("");
+            implicitPrefixes.Add("xml");
+            implicitPrefixes.Add("xmlns");
+        }
+
+        public XPathMessageContextMarkupExtension()
+        {
+            this.namespaces = new Dictionary<string, string>();
+        }
+
+        public XPathMessageContextMarkupExtension(XPathMessageContext context)
+            : this()
+        {
+            foreach (string prefix in context)
+            {
+                if (!implicitPrefixes.Contains(prefix))
+                {
+                    this.namespaces.Add(prefix, context.LookupNamespace(prefix));
+                }
+            }
+        }
+
+        public Dictionary<string, string> Namespaces
+        {
+            get { return this.namespaces; }
+        }
+
+        public override object ProvideValue(IServiceProvider serviceProvider)
+        {
+            XPathMessageContext context = new XPathMessageContext();
+
+            foreach (KeyValuePair<string, string> ns in this.namespaces)
+            {
+                context.AddNamespace(ns.Key, ns.Value);
+            }
+
+            return context;
+        }
+    }
+}

external/referencesource/System.ServiceModel/System/ServiceModel/XamlIntegration/XPathMessageContextTypeConverter.cs

@@ -0,0 +1,56 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+namespace System.ServiceModel.XamlIntegration
+{
+    using System;
+    using System.ComponentModel;
+    using System.Globalization;
+    using System.ServiceModel.Dispatcher;
+    using System.Windows.Markup;
+
+    public class XPathMessageContextTypeConverter : TypeConverter
+    {
+        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
+        {
+            if (typeof(MarkupExtension) == sourceType)
+            {
+                return true;
+            }
+
+            return base.CanConvertFrom(context, sourceType);
+        }
+
+        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
+        {
+            if (typeof(MarkupExtension) == destinationType)
+            {
+                return true;
+            }
+
+            return base.CanConvertTo(context, destinationType);
+        }
+
+        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
+        {
+            if (value is XPathMessageContextMarkupExtension)
+            {
+                return ((MarkupExtension)value).ProvideValue(null);
+            }
+
+            return base.ConvertFrom(context, culture, value);
+        }
+
+        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
+        {
+            XPathMessageContext contextValue = value as XPathMessageContext;
+
+            if (contextValue != null && typeof(MarkupExtension) == destinationType)
+            {
+                return new XPathMessageContextMarkupExtension(contextValue);
+            }
+
+            return base.ConvertTo(context, culture, value, destinationType);
+        }
+    }
+}