Add LinqMatcher (#195)

* LinqMatcher

* LinqMatcher : revert

* LinqMatcher

src/WireMock.Net/Matchers/LinqMatcher.cs

@@ -0,0 +1,99 @@
+using System.Linq;
+using System.Linq.Dynamic.Core;
+using JetBrains.Annotations;
+
+namespace WireMock.Matchers
+{
+    /// <summary>
+    /// System.Linq.Dynamic.Core Expression Matcher
+    /// </summary>
+    /// <inheritdoc cref="IStringMatcher"/>
+    public class LinqMatcher : IStringMatcher
+    {
+        private readonly string[] _patterns;
+
+        /// <inheritdoc cref="IMatcher.MatchBehaviour"/>
+        public MatchBehaviour MatchBehaviour { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="LinqMatcher"/> class.
+        /// </summary>
+        /// <param name="pattern">The pattern.</param>
+        public LinqMatcher([NotNull] string pattern) : this(new[] { pattern })
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="LinqMatcher"/> class.
+        /// </summary>
+        /// <param name="patterns">The patterns.</param>
+        public LinqMatcher([NotNull] string[] patterns) : this(MatchBehaviour.AcceptOnMatch, patterns)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="LinqMatcher"/> class.
+        /// </summary>
+        /// <param name="matchBehaviour">The match behaviour.</param>
+        /// <param name="pattern">The pattern.</param>
+        public LinqMatcher(MatchBehaviour matchBehaviour, [NotNull] string pattern) : this(matchBehaviour, new[] { pattern })
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="LinqMatcher"/> class.
+        /// </summary>
+        /// <param name="matchBehaviour">The match behaviour.</param>
+        /// <param name="patterns">The patterns.</param>
+        public LinqMatcher(MatchBehaviour matchBehaviour, [NotNull] string[] patterns)
+        {
+            MatchBehaviour = matchBehaviour;
+            _patterns = patterns;
+        }
+
+        /// <inheritdoc cref="IStringMatcher.IsMatch"/>
+        public double IsMatch(string input)
+        {
+            // Convert a single input string to a Queryable string-list with 1 entry.
+            IQueryable queryable = new[] { input }.AsQueryable();
+
+            // Use the Any(...) method to check if the result matches
+            double match = MatchScores.ToScore(_patterns.Select(pattern => queryable.Any(pattern)));
+
+            return MatchBehaviourHelper.Convert(MatchBehaviour, match);
+        }
+
+        ///// <inheritdoc cref="IObjectMatcher.IsMatch"/>
+        //public double IsMatch(object input)
+        //{
+        //    object value;
+        //    switch (input)
+        //    {
+        //        case JObject valueAsJObject:
+        //            value = valueAsJObject.ToObject<object>();
+        //            break;
+
+        //        default:
+        //            value = input;
+        //            break;
+        //    }
+
+        //    // Convert a single object to a Queryable object-list with 1 entry.
+        //    IQueryable queryable = new[] { value }.AsQueryable().Select("new (it as x)");
+
+        //    // Use the Any(...) method to check if the result matches
+        //    double match = MatchScores.ToScore(_patterns.Select(pattern => queryable.Any(pattern)));
+
+        //    return MatchBehaviourHelper.Convert(MatchBehaviour, match);
+        //}
+
+        /// <inheritdoc cref="IStringMatcher.GetPatterns"/>
+        public string[] GetPatterns()
+        {
+            return _patterns;
+        }
+
+        /// <inheritdoc cref="IMatcher.Name"/>
+        public string Name => "LinqMatcher";
+    }
+}

src/WireMock.Net/Serialization/MatcherMapper.cs

@@ -26,6 +26,9 @@ namespace WireMock.Serialization
 
             switch (matcherName)
             {
+                case "LinqMatcher":
+                    return new LinqMatcher(matchBehaviour, stringPatterns);
+
                 case "ExactMatcher":
                     return new ExactMatcher(matchBehaviour, stringPatterns);
 

src/WireMock.Net/WireMock.Net.csproj

@@ -50,6 +50,7 @@
     <PackageReference Include="System.Net.Http" Version="4.3.3" />
     <PackageReference Include="RestEase" Version="1.4.4" />
     <PackageReference Include="MimeKitLite" Version="2.0.1" />
+    <PackageReference Include="System.Linq.Dynamic.Core" Version="1.0.8.17" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">