Import YamlDotNet.

Assets/YamlDotNet/Serialization/ObjectGraphVisitors/ChainedObjectGraphVisitor.cs

@@ -0,0 +1,76 @@
+// This file is part of YamlDotNet - A .NET library for YAML.
+// Copyright (c) Antoine Aubry and contributors
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+// of the Software, and to permit persons to whom the Software is furnished to do
+// so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+using System;
+using YamlDotNet.Core;
+
+namespace YamlDotNet.Serialization.ObjectGraphVisitors
+{
+    public abstract class ChainedObjectGraphVisitor : IObjectGraphVisitor<IEmitter>
+    {
+        private readonly IObjectGraphVisitor<IEmitter> nextVisitor;
+
+        protected ChainedObjectGraphVisitor(IObjectGraphVisitor<IEmitter> nextVisitor)
+        {
+            this.nextVisitor = nextVisitor;
+        }
+
+        public virtual bool Enter(IObjectDescriptor value, IEmitter context)
+        {
+            return nextVisitor.Enter(value, context);
+        }
+
+        public virtual bool EnterMapping(IObjectDescriptor key, IObjectDescriptor value, IEmitter context)
+        {
+            return nextVisitor.EnterMapping(key, value, context);
+        }
+
+        public virtual bool EnterMapping(IPropertyDescriptor key, IObjectDescriptor value, IEmitter context)
+        {
+            return nextVisitor.EnterMapping(key, value, context);
+        }
+
+        public virtual void VisitScalar(IObjectDescriptor scalar, IEmitter context)
+        {
+            nextVisitor.VisitScalar(scalar, context);
+        }
+
+        public virtual void VisitMappingStart(IObjectDescriptor mapping, Type keyType, Type valueType, IEmitter context)
+        {
+            nextVisitor.VisitMappingStart(mapping, keyType, valueType, context);
+        }
+
+        public virtual void VisitMappingEnd(IObjectDescriptor mapping, IEmitter context)
+        {
+            nextVisitor.VisitMappingEnd(mapping, context);
+        }
+
+        public virtual void VisitSequenceStart(IObjectDescriptor sequence, Type elementType, IEmitter context)
+        {
+            nextVisitor.VisitSequenceStart(sequence, elementType, context);
+        }
+
+        public virtual void VisitSequenceEnd(IObjectDescriptor sequence, IEmitter context)
+        {
+            nextVisitor.VisitSequenceEnd(sequence, context);
+        }
+    }
+}