Fix bugs for decoding void field.

Author: qimingyuan

Dropbox.Api/ApiException.cs

@@ -135,7 +135,7 @@ protected override void SetField(ApiException<TError> value, string fieldName, I
                         value.ErrorMessage = StringDecoder.Instance.Decode(reader);
                         break;
                     default:
-                        SkipProperty(reader);
+                        reader.Skip();
                         break;
                 }
             }

Dropbox.Api/Async/LaunchResultBase.cs

@@ -211,7 +211,7 @@ protected override void SetField(AsyncJobId value, string fieldName, enc.IJsonRe
                             value.Value = enc.StringDecoder.Instance.Decode(reader);
                             break;
                         default:
-                            SkipProperty(reader);
+                            reader.Skip();
                             break;
                     }
                 }

Dropbox.Api/Async/PollArg.cs

@@ -112,7 +112,7 @@ protected override void SetField(PollArg value, string fieldName, enc.IJsonReade
                         value.AsyncJobId = enc.StringDecoder.Instance.Decode(reader);
                         break;
                     default:
-                        SkipProperty(reader);
+                        reader.Skip();
                         break;
                 }
             }

Dropbox.Api/Babel/Decoder.cs

@@ -295,16 +295,6 @@ protected static bool TryReadPropertyName(IJsonReader reader, out string propert
             return false;
         }
 
-        /// <summary>
-        /// Skip current property.
-        /// </summary>
-        /// <param name="reader">The json reader.</param>
-        protected static void SkipProperty(IJsonReader reader)
-        {
-            reader.Skip();
-            reader.Read();
-        }
-
         /// <summary>
         /// Read list of specific type.
         /// </summary>
@@ -407,32 +397,22 @@ public override T DecodeFields(IJsonReader reader)
     /// <summary>
     /// The decoder for Empty Type.
     /// </summary>
-    internal sealed class EmptyDecoder : StructDecoder<Empty>
+    internal sealed class EmptyDecoder : IDecoder<Empty>
     {
         /// <summary>
         /// The instance.
         /// </summary>
         public static readonly IDecoder<Empty> Instance = new EmptyDecoder();
 
         /// <summary>
-        /// Create a struct instance.
+        /// Decoder for struct type.
         /// </summary>
-        /// <returns>The struct instance.</returns>
-        protected override Empty Create()
+        /// <typeparam name="T">The struct type.</typeparam>
+        public Empty Decode(IJsonReader reader)
         {
+            reader.Skip();
             return Empty.Instance;
         }
-
-        /// <summary>
-        /// Set given field.
-        /// </summary>
-        /// <param name="value">The field value.</param>
-        /// <param name="fieldName">The field name.</param>
-        /// <param name="reader">The json reader.</param>
-        protected override void SetField(Empty value, string fieldName, IJsonReader reader)
-        {
-            SkipProperty(reader);
-        }
     }
 
     /// <summary>

Dropbox.Api/Babel/IJsonReader.cs

@@ -45,7 +45,7 @@ internal interface IJsonReader
         bool Read();
 
         /// <summary>
-        /// Skip children of current token.
+        /// Skip current token.
         /// </summary>
         void Skip();
 

Dropbox.Api/Babel/JsonReader.cs

@@ -96,11 +96,12 @@ bool IJsonReader.Read()
         }
 
         /// <summary>
-        /// Skip children of current token.
+        /// Skip current token.
         /// </summary>
         void IJsonReader.Skip()
         {
             this.reader.Skip();
+            this.reader.Read();
         }
 
         /// <summary>

Dropbox.Api/Dropbox.Api.nuspec

@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>$id$</id>
-    <version>2.0.1</version>
+    <version>2.0.2</version>
     <title>Dropbox v2 API Beta</title>
     <authors>Dropbox Inc</authors>
     <owners>Dropbox Inc</owners>

Dropbox.Api/Files/CommitInfo.cs

@@ -186,7 +186,7 @@ protected override void SetField(CommitInfo value, string fieldName, enc.IJsonRe
                         value.Mute = enc.BooleanDecoder.Instance.Decode(reader);
                         break;
                     default:
-                        SkipProperty(reader);
+                        reader.Skip();
                         break;
                 }
             }

Dropbox.Api/Files/CreateFolderArg.cs

@@ -112,7 +112,7 @@ protected override void SetField(CreateFolderArg value, string fieldName, enc.IJ
                         value.Path = enc.StringDecoder.Instance.Decode(reader);
                         break;
                     default:
-                        SkipProperty(reader);
+                        reader.Skip();
                         break;
                 }
             }

Dropbox.Api/Files/CreateFolderError.cs

@@ -206,7 +206,7 @@ protected override void SetField(Path value, string fieldName, enc.IJsonReader r
                             value.Value = WriteError.Decoder.Decode(reader);
                             break;
                         default:
-                            SkipProperty(reader);
+                            reader.Skip();
                             break;
                     }
                 }