Import YamlDotNet.

Assets/YamlDotNet/RepresentationModel/YamlStream.cs

@@ -0,0 +1,172 @@
+// 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.Collections.Generic;
+using System.IO;
+using YamlDotNet.Core;
+using YamlDotNet.Core.Events;
+
+namespace YamlDotNet.RepresentationModel
+{
+    /// <summary>
+    /// Represents an YAML stream.
+    /// </summary>
+    public class YamlStream : IEnumerable<YamlDocument>
+    {
+        private readonly IList<YamlDocument> documents = new List<YamlDocument>();
+
+        /// <summary>
+        /// Gets the documents inside the stream.
+        /// </summary>
+        /// <value>The documents.</value>
+        public IList<YamlDocument> Documents
+        {
+            get
+            {
+                return documents;
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="YamlStream"/> class.
+        /// </summary>
+        public YamlStream()
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="YamlStream"/> class.
+        /// </summary>
+        public YamlStream(params YamlDocument[] documents)
+            : this((IEnumerable<YamlDocument>)documents)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="YamlStream"/> class.
+        /// </summary>
+        public YamlStream(IEnumerable<YamlDocument> documents)
+        {
+            foreach (var document in documents)
+            {
+                this.documents.Add(document);
+            }
+        }
+
+        /// <summary>
+        /// Adds the specified document to the <see cref="Documents"/> collection.
+        /// </summary>
+        /// <param name="document">The document.</param>
+        public void Add(YamlDocument document)
+        {
+            documents.Add(document);
+        }
+
+        /// <summary>
+        /// Loads the stream from the specified input.
+        /// </summary>
+        /// <param name="input">The input.</param>
+        public void Load(TextReader input)
+        {
+            Load(new Parser(input));
+        }
+
+        /// <summary>
+        /// Loads the stream from the specified <see cref="IParser"/>.
+        /// </summary>
+        public void Load(IParser parser)
+        {
+            documents.Clear();
+            parser.Consume<StreamStart>();
+            while (!parser.TryConsume<StreamEnd>(out var _))
+            {
+                var document = new YamlDocument(parser);
+                documents.Add(document);
+            }
+        }
+
+        /// <summary>
+        /// Saves the stream to the specified output.
+        /// </summary>
+        /// <param name="output">The output.</param>
+        public void Save(TextWriter output)
+        {
+            Save(output, true);
+        }
+
+        /// <summary>
+        /// Saves the stream to the specified output.
+        /// </summary>
+        /// <param name="output">The output.</param>
+        /// <param name="assignAnchors">Indicates whether or not to assign node anchors.</param>
+        public void Save(TextWriter output, bool assignAnchors)
+        {
+            Save(new Emitter(output), assignAnchors);
+        }
+
+        /// <summary>
+        /// Saves the stream to the specified emitter.
+        /// </summary>
+        /// <param name="emitter">The emitter.</param>
+        /// <param name="assignAnchors">Indicates whether or not to assign node anchors.</param>
+        public void Save(IEmitter emitter, bool assignAnchors)
+        {
+            emitter.Emit(new StreamStart());
+
+            foreach (var document in documents)
+            {
+                document.Save(emitter, assignAnchors);
+            }
+
+            emitter.Emit(new StreamEnd());
+        }
+
+        /// <summary>
+        /// Accepts the specified visitor by calling the appropriate Visit method on it.
+        /// </summary>
+        /// <param name="visitor">
+        /// A <see cref="IYamlVisitor"/>.
+        /// </param>
+        public void Accept(IYamlVisitor visitor)
+        {
+            visitor.Visit(this);
+        }
+
+        #region IEnumerable<YamlDocument> Members
+
+        /// <summary />
+        public IEnumerator<YamlDocument> GetEnumerator()
+        {
+            return documents.GetEnumerator();
+        }
+
+        #endregion
+
+        #region IEnumerable Members
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
+
+        #endregion
+    }
+}