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Yes.Infrastructure/ViewEngine/UriTemplateLiteralQueryValue.cs

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+namespace Yes.Infrastructure.ViewEngine
+{
+    // thin wrapper around string; use type system to help ensure we
+    // are doing canonicalization right/consistently
+    internal class UriTemplateLiteralQueryValue : UriTemplateQueryValue, IComparable<UriTemplateLiteralQueryValue>
+    {
+        private readonly string _value; // an unescaped representation
+
+        private UriTemplateLiteralQueryValue(string value)
+            : base(UriTemplatePartType.Literal)
+        {
+            Ensure.NotNull(value, "bad literal value");
+            _value = value;
+        }
+        public static UriTemplateLiteralQueryValue CreateFromUriTemplate(string value)
+        {
+            return new UriTemplateLiteralQueryValue(UrlUtility.UrlDecode(value, Encoding.UTF8));
+        }
+
+        public string AsEscapedString()
+        {
+            return UrlUtility.UrlEncode(_value, Encoding.UTF8);
+        }
+        public string AsRawUnescapedString()
+        {
+            return _value;
+        }
+        public override void Bind(string keyName, string[] values, ref int valueIndex, StringBuilder query)
+        {
+            query.AppendFormat("&{0}={1}", UrlUtility.UrlEncode(keyName, Encoding.UTF8), AsEscapedString());
+        }
+
+        public int CompareTo(UriTemplateLiteralQueryValue other)
+        {
+            return string.Compare(_value, other._value, StringComparison.Ordinal);
+        }
+
+        public override bool Equals(object obj)
+        {
+            var lqv = obj as UriTemplateLiteralQueryValue;
+            Ensure.NotNull(lqv, "why would we ever call this?");
+            //if (lqv == null) {
+            //	Fx.Assert("why would we ever call this?");
+            //	return false;
+            //} else {
+            return _value == lqv._value;
+            //}
+        }
+        public override int GetHashCode()
+        {
+            return _value.GetHashCode();
+        }
+
+        public override bool IsEquivalentTo(UriTemplateQueryValue other)
+        {
+            Ensure.NotNull(other, "why would we ever call this?");
+            //if (other == null) {
+            //	Fx.Assert("why would we ever call this?");
+            //	return false;
+            //}
+            if (other.Nature != UriTemplatePartType.Literal)
+            {
+                return false;
+            }
+            var otherAsLiteral = other as UriTemplateLiteralQueryValue;
+            Ensure.NotNull(otherAsLiteral, "The nature requires that this will be OK");
+            return CompareTo(otherAsLiteral) == 0;
+        }
+        public override void Lookup(string value, NameValueCollection boundParameters)
+        {
+            var ret = string.Compare(_value, value, StringComparison.Ordinal) == 0;
+            if (ret == false)
+            {
+                throw new Exception("How can that be?");
+            }
+        }
+    }
+}