Import YamlDotNet.

Assets/YamlDotNet/Core/EmitterSettings.cs

@@ -0,0 +1,159 @@
+// 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;
+
+namespace YamlDotNet.Core
+{
+    public sealed class EmitterSettings
+    {
+        /// <summary>
+        /// The preferred indentation.
+        /// </summary>
+        public int BestIndent { get; } = 2;
+
+        /// <summary>
+        /// The preferred text width.
+        /// </summary>
+        public int BestWidth { get; } = int.MaxValue;
+
+        /// <summary>
+        /// If true, write the output in canonical form.
+        /// </summary>
+        public bool IsCanonical { get; } = false;
+
+        /// <summary>
+        /// If true, write output without anchor names.
+        /// </summary>
+        public bool SkipAnchorName { get; private set; }
+
+        /// <summary>
+        /// The maximum allowed length for simple keys.
+        /// </summary>
+        /// <remarks>
+        /// The specifiction mandates 1024 characters, but any desired value may be used.
+        /// </remarks>
+        public int MaxSimpleKeyLength { get; } = 1024;
+
+        /// <summary>
+        /// Indent sequences. The default is to not indent.
+        /// </summary>
+        public bool IndentSequences { get; } = false;
+
+        public static readonly EmitterSettings Default = new EmitterSettings();
+
+        public EmitterSettings()
+        {
+        }
+
+        public EmitterSettings(int bestIndent, int bestWidth, bool isCanonical, int maxSimpleKeyLength, bool skipAnchorName = false, bool indentSequences = false)
+        {
+            if (bestIndent < 2 || bestIndent > 9)
+            {
+                throw new ArgumentOutOfRangeException(nameof(bestIndent), $"BestIndent must be between 2 and 9, inclusive");
+            }
+
+            if (bestWidth <= bestIndent * 2)
+            {
+                throw new ArgumentOutOfRangeException(nameof(bestWidth), "BestWidth must be greater than BestIndent x 2.");
+            }
+
+            if (maxSimpleKeyLength < 0)
+            {
+                throw new ArgumentOutOfRangeException(nameof(maxSimpleKeyLength), "MaxSimpleKeyLength must be >= 0");
+            }
+
+            BestIndent = bestIndent;
+            BestWidth = bestWidth;
+            IsCanonical = isCanonical;
+            MaxSimpleKeyLength = maxSimpleKeyLength;
+            SkipAnchorName = skipAnchorName;
+            IndentSequences = indentSequences;
+        }
+
+        public EmitterSettings WithBestIndent(int bestIndent)
+        {
+            return new EmitterSettings(
+                bestIndent,
+                BestWidth,
+                IsCanonical,
+                MaxSimpleKeyLength,
+                SkipAnchorName
+            );
+        }
+
+        public EmitterSettings WithBestWidth(int bestWidth)
+        {
+            return new EmitterSettings(
+                BestIndent,
+                bestWidth,
+                IsCanonical,
+                MaxSimpleKeyLength,
+                SkipAnchorName
+            );
+        }
+
+        public EmitterSettings WithMaxSimpleKeyLength(int maxSimpleKeyLength)
+        {
+            return new EmitterSettings(
+                BestIndent,
+                BestWidth,
+                IsCanonical,
+                maxSimpleKeyLength,
+                SkipAnchorName
+            );
+        }
+
+        public EmitterSettings Canonical()
+        {
+            return new EmitterSettings(
+                BestIndent,
+                BestWidth,
+                true,
+                MaxSimpleKeyLength,
+                SkipAnchorName
+            );
+        }
+
+        public EmitterSettings WithoutAnchorName()
+        {
+            return new EmitterSettings(
+                BestIndent,
+                BestWidth,
+                IsCanonical,
+                MaxSimpleKeyLength,
+                true
+            );
+        }
+
+        public EmitterSettings WithIndentedSequences()
+        {
+            return new EmitterSettings(
+                BestIndent,
+                BestWidth,
+                IsCanonical,
+                MaxSimpleKeyLength,
+                SkipAnchorName,
+                true
+            );
+        }
+    }
+}