Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.ServiceModel/System/UriTemplateVariablePathSegment.cs

@@ -0,0 +1,69 @@
+//----------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//----------------------------------------------------------------
+
+namespace System
+{
+    using System.Collections.Specialized;
+    using System.Runtime;
+    using System.Text;
+
+    class UriTemplateVariablePathSegment : UriTemplatePathSegment
+    {
+        readonly string varName;
+
+        public UriTemplateVariablePathSegment(string originalSegment, bool endsWithSlash, string varName)
+            : base(originalSegment, UriTemplatePartType.Variable, endsWithSlash)
+        {
+            Fx.Assert(!string.IsNullOrEmpty(varName), "bad variable segment");
+            this.varName = varName;
+        }
+
+        public string VarName
+        {
+            get
+            {
+                return this.varName;
+            }
+        }
+        public override void Bind(string[] values, ref int valueIndex, StringBuilder path)
+        {
+            Fx.Assert(valueIndex < values.Length, "Not enough values to bind");
+            if (this.EndsWithSlash)
+            {
+                path.AppendFormat("{0}/", values[valueIndex++]);
+            }
+            else
+            {
+                path.Append(values[valueIndex++]);
+            }
+        }
+
+        public override bool IsEquivalentTo(UriTemplatePathSegment other, bool ignoreTrailingSlash)
+        {
+            if (other == null)
+            {
+                Fx.Assert("why would we ever call this?");
+                return false;
+            }
+            if (!ignoreTrailingSlash && (this.EndsWithSlash != other.EndsWithSlash))
+            {
+                return false;
+            }
+            return (other.Nature == UriTemplatePartType.Variable);
+        }
+        public override bool IsMatch(UriTemplateLiteralPathSegment segment, bool ignoreTrailingSlash)
+        {
+            if (!ignoreTrailingSlash && (this.EndsWithSlash != segment.EndsWithSlash))
+            {
+                return false;
+            }
+            return (!segment.IsNullOrEmpty());
+        }
+        public override void Lookup(string segment, NameValueCollection boundParameters)
+        {
+            Fx.Assert(!string.IsNullOrEmpty(segment), "How can that be? Lookup is expected to be called after IsMatch");
+            boundParameters.Add(this.varName, segment);
+        }
+    }
+}