Add JsonPath feature

Author: veblush

README.md

@@ -34,13 +34,12 @@ Following works are done to make Json.NET support Unity3D.
  - Remove code related with System.ComponentModel.
  - Remove System.Data and EntityKey support.
  - Remove XML support.
- - Remove JPath class to reduce size of DLL.
  - Remove DiagnosticsTraceWriter support.
  - Workaround for differences between Microsoft.NET & Unity3D-Mono.NET
 
 For Unity.Lite version, additional works are done to make more lite.
 
- - Remove JsonLinq (JToken, ...)
+ - Remove JsonLinq, JPath (JToken, ...)
  - Remove Bson
 
 ## Unit Test
@@ -54,8 +53,8 @@ Test Result:
 
 | Profile        |:white_check_mark: Passed | :x: Failed | :white_circle: Ignored |
 | :------------- | -----------------------: | ---------: | ---------------------: |
-| Microsoft.NET  |                     1448 |          0 |                      1 |
-| Unity3D-Mono   |                     1435 |         13 |                      1 |
+| Microsoft.NET  |                     1573 |          0 |                      1 |
+| Unity3D-Mono   |                     1560 |         13 |                      1 |
 
 Detailed Description is [here](./docs/UnitTest.md) to tell you what failed and why.
 

src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.csproj

@@ -68,6 +68,9 @@
     <Compile Include="Linq\JObjectTests.cs" />
     <Compile Include="Linq\JPropertyTests.cs" />
     <Compile Include="Linq\JRawTests.cs" />
+    <Compile Include="Linq\JsonPath\JPathExecuteTests.cs" />
+    <Compile Include="Linq\JsonPath\JPathParseTests.cs" />
+    <Compile Include="Linq\JsonPath\QueryExpressionTests.cs" />
     <Compile Include="Linq\JTokenEqualityComparerTests.cs" />
     <Compile Include="Linq\JTokenReaderTest.cs" />
     <Compile Include="Linq\JTokenTests.cs" />

src/Newtonsoft.Json/Linq/JToken.cs

@@ -27,7 +27,7 @@
 
 using System;
 using System.Collections.Generic;
-#if !UNITY3D
+#if !NO_JSONPATH
 using Newtonsoft.Json.Linq.JsonPath;
 #endif
 #if !(NET35 || NET20 || PORTABLE40)
@@ -2292,7 +2292,7 @@ int IJsonLineInfo.LinePosition
             }
         }
 
-#if !UNITY3D
+#if !NO_JSONPATH
         /// <summary>
         /// Selects a <see cref="JToken"/> using a JPath expression. Selects the token that matches the object path.
         /// </summary>

src/Newtonsoft.Json/Linq/JsonPath/ArrayIndexFilter.cs

@@ -1,3 +1,5 @@
+#if !NO_JSONPATH
+
 using System.Collections.Generic;
 using System.Globalization;
 using Newtonsoft.Json.Utilities;
@@ -41,4 +43,6 @@ public override IEnumerable<JToken> ExecuteFilter(IEnumerable<JToken> current, b
             }
         }
     }
-}
+}
+
+#endif

src/Newtonsoft.Json/Linq/JsonPath/ArrayMultipleIndexFilter.cs

@@ -1,3 +1,5 @@
+#if !NO_JSONPATH
+
 using System.Collections.Generic;
 
 namespace Newtonsoft.Json.Linq.JsonPath
@@ -22,4 +24,6 @@ public override IEnumerable<JToken> ExecuteFilter(IEnumerable<JToken> current, b
             }
         }
     }
-}
+}
+
+#endif

src/Newtonsoft.Json/Linq/JsonPath/ArraySliceFilter.cs

@@ -1,3 +1,5 @@
+#if !NO_JSONPATH
+
 using System;
 using System.Collections.Generic;
 using System.Globalization;
@@ -85,4 +87,6 @@ private bool IsValid(int index, int stopIndex, bool positiveStep)
             return (index > stopIndex);
         }
     }
-}
+}
+
+#endif

src/Newtonsoft.Json/Linq/JsonPath/FieldFilter.cs

@@ -1,3 +1,5 @@
+#if !NO_JSONPATH
+
 using System.Collections.Generic;
 using System.Globalization;
 using Newtonsoft.Json.Utilities;
@@ -46,4 +48,6 @@ public override IEnumerable<JToken> ExecuteFilter(IEnumerable<JToken> current, b
             }
         }
     }
-}
+}
+
+#endif

src/Newtonsoft.Json/Linq/JsonPath/FieldMultipleFilter.cs

@@ -1,3 +1,5 @@
+#if !NO_JSONPATH
+
 using System.Collections.Generic;
 using System.Globalization;
 #if NET20
@@ -45,4 +47,6 @@ public override IEnumerable<JToken> ExecuteFilter(IEnumerable<JToken> current, b
             }
         }
     }
-}
+}
+
+#endif

src/Newtonsoft.Json/Linq/JsonPath/JPath.cs

@@ -1,3 +1,5 @@
+#if !NO_JSONPATH
+
 #region License
 // Copyright (c) 2007 James Newton-King
 //
@@ -769,4 +771,6 @@ internal static IEnumerable<JToken> Evaluate(List<PathFilter> filters, JToken t,
             return current;
         }
     }
-}
+}
+
+#endif

src/Newtonsoft.Json/Linq/JsonPath/PathFilter.cs

@@ -1,3 +1,5 @@
+#if !NO_JSONPATH
+
 using System.Collections.Generic;
 using System.Globalization;
 using Newtonsoft.Json.Utilities;
@@ -52,4 +54,6 @@ protected static JToken GetTokenIndex(JToken t, bool errorWhenNoMatch, int index
             }
         }
     }
-}
+}
+
+#endif