add the whole visitor classes for validation

Author: xuzhg

src/Microsoft.OpenApi/Properties/SRResource.Designer.cs

@@ -177,6 +177,9 @@
   <data name="SourceExpressionHasInvalidFormat" xml:space="preserve">
     <value>The source expression '{0}' has invalid format.</value>
   </data>
+  <data name="UnknownVisitorType" xml:space="preserve">
+    <value>Can not find visitor type registered for type '{0}'.</value>
+  </data>
   <data name="Validation_PathItemMustBeginWithSlash" xml:space="preserve">
     <value>The path item name '{0}' MUST begin with a slash.</value>
   </data>

src/Microsoft.OpenApi/Properties/SRResource.resx

@@ -3,9 +3,9 @@
 //  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
 // ------------------------------------------------------------
 
+using System.Collections.Generic;
 using Microsoft.OpenApi.Interfaces;
 using Microsoft.OpenApi.Validations.Visitors;
-using System.Collections.Generic;
 
 namespace Microsoft.OpenApi.Validations
 {
@@ -56,5 +56,28 @@ public static void ValidateCollection<T>(this ValidationContext context, IEnumer
                 }
             }
         }
+
+        /// <summary>
+        /// Validate the map of Open API element.
+        /// </summary>
+        /// <typeparam name="T">The Open API element.</typeparam>
+        /// <param name="context">The validation cotext.</param>
+        /// <param name="elements">The map of Open API element.</param>
+        public static void ValidateMap<T>(this ValidationContext context, IDictionary<string, T> elements)
+            where T : IOpenApiElement
+        {
+            if (context == null)
+            {
+                throw Error.ArgumentNull(nameof(context));
+            }
+
+            if (elements != null)
+            {
+                foreach (var element in elements)
+                {
+                    context.Validate(element.Value);
+                }
+            }
+        }
     }
 }

src/Microsoft.OpenApi/Validations/ValidationContextExtensions.cs

@@ -0,0 +1,34 @@
+// ------------------------------------------------------------
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
+// ------------------------------------------------------------
+
+using System.Diagnostics;
+using Microsoft.OpenApi.Models;
+
+namespace Microsoft.OpenApi.Validations.Visitors
+{
+    /// <summary>
+    /// Visit <see cref="OpenApiCallback"/>.
+    /// </summary>
+    internal class CallbackVisitor : VisitorBase<OpenApiCallback>
+    {
+        /// <summary>
+        /// Visit the children of the <see cref="OpenApiCallback"/>.
+        /// </summary>
+        /// <param name="context">The validation context.</param>
+        /// <param name="callback">The <see cref="OpenApiCallback"/>.</param>
+        protected override void Next(ValidationContext context, OpenApiCallback callback)
+        {
+            Debug.Assert(context != null);
+            Debug.Assert(callback != null);
+
+            foreach (var pathItem in callback.PathItems)
+            {
+                context.Validate(pathItem.Value);
+            }
+
+            base.Next(context, callback);
+        }
+    }
+}

src/Microsoft.OpenApi/Validations/Visitors/CallbackVisitor.cs

@@ -0,0 +1,38 @@
+// ------------------------------------------------------------
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
+// ------------------------------------------------------------
+
+using System.Diagnostics;
+using Microsoft.OpenApi.Models;
+
+namespace Microsoft.OpenApi.Validations.Visitors
+{
+    /// <summary>
+    /// Visit <see cref="OpenApiComponents"/>.
+    /// </summary>
+    internal class ComponentsVisitor : VisitorBase<OpenApiComponents>
+    {
+        /// <summary>
+        /// Visit the children of the <see cref="OpenApiComponents"/>.
+        /// </summary>
+        /// <param name="context">The validation context.</param>
+        /// <param name="components">The <see cref="OpenApiComponents"/>.</param>
+        protected override void Next(ValidationContext context, OpenApiComponents components)
+        {
+            Debug.Assert(context != null);
+            Debug.Assert(components != null);
+
+            context.ValidateMap(components.Schemas);
+            context.ValidateMap(components.Responses);
+            context.ValidateMap(components.Parameters);
+            context.ValidateMap(components.Examples);
+            context.ValidateMap(components.RequestBodies);
+            context.ValidateMap(components.Headers);
+            context.ValidateMap(components.SecuritySchemes);
+            context.ValidateMap(components.Links);
+            context.ValidateMap(components.Callbacks);
+            base.Next(context, components);
+        }
+    }
+}

src/Microsoft.OpenApi/Validations/Visitors/ComponentsVisitor.cs

@@ -12,13 +12,5 @@ namespace Microsoft.OpenApi.Validations.Visitors
     /// </summary>
     internal class ContactVisitor : VisitorBase<OpenApiContact>
     {
-        /// <summary>
-        /// Visit the children in <see cref="OpenApiContact"/>.
-        /// </summary>
-        /// <param name="context">The validation context.</param>
-        /// <param name="contact">The <see cref="OpenApiContact"/>.</param>
-        protected override void Next(ValidationContext context, OpenApiContact contact)
-        {
-        }
     }
 }

src/Microsoft.OpenApi/Validations/Visitors/ContactVisitor.cs

@@ -0,0 +1,16 @@
+// ------------------------------------------------------------
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
+// ------------------------------------------------------------
+
+using Microsoft.OpenApi.Models;
+
+namespace Microsoft.OpenApi.Validations.Visitors
+{
+    /// <summary>
+    /// Visit <see cref="OpenApiDiscriminator"/>.
+    /// </summary>
+    internal class DiscriminatorVisitor : VisitorBase<OpenApiDiscriminator>
+    {
+    }
+}

src/Microsoft.OpenApi/Validations/Visitors/DiscriminatorVisitor.cs

@@ -0,0 +1,31 @@
+// ------------------------------------------------------------
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
+// ------------------------------------------------------------
+
+using System.Diagnostics;
+using Microsoft.OpenApi.Models;
+
+namespace Microsoft.OpenApi.Validations.Visitors
+{
+    /// <summary>
+    /// Visit <see cref="OpenApiEncoding"/>.
+    /// </summary>
+    internal class EncodingVisitor : VisitorBase<OpenApiEncoding>
+    {
+        /// <summary>
+        /// Visit the children in <see cref="OpenApiEncoding"/>.
+        /// </summary>
+        /// <param name="context">The validation context.</param>
+        /// <param name="encoding">The <see cref="OpenApiEncoding"/>.</param>
+        protected override void Next(ValidationContext context, OpenApiEncoding encoding)
+        {
+            Debug.Assert(context != null);
+            Debug.Assert(encoding != null);
+
+            context.ValidateMap(encoding.Headers);
+
+            base.Next(context, encoding);
+        }
+    }
+}

src/Microsoft.OpenApi/Validations/Visitors/EncodingVisitor.cs

@@ -0,0 +1,16 @@
+// ------------------------------------------------------------
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
+// ------------------------------------------------------------
+
+using Microsoft.OpenApi.Models;
+
+namespace Microsoft.OpenApi.Validations.Visitors
+{
+    /// <summary>
+    /// Visit <see cref="OpenApiExample"/>.
+    /// </summary>
+    internal class ExampleVisitor : VisitorBase<OpenApiExample>
+    {
+    }
+}

src/Microsoft.OpenApi/Validations/Visitors/ExampleVisitor.cs

@@ -0,0 +1,16 @@
+// ------------------------------------------------------------
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
+// ------------------------------------------------------------
+
+using Microsoft.OpenApi.Models;
+
+namespace Microsoft.OpenApi.Validations.Visitors
+{
+    /// <summary>
+    /// Visit <see cref="OpenApiExternalDocs"/>.
+    /// </summary>
+    internal class ExternalDocsVisitor : VisitorBase<OpenApiExternalDocs>
+    {
+    }
+}