Merge pull request #1133 from kenjiuno/fix-ctd-editor-1

Fix text encoder/decoder of CtdEditor.

OpenKh.Bbs/Ctd.cs

@@ -101,8 +101,8 @@ public class Message
 
             public string Text
             {
-                get => CtdEncoders.International.ToText(Data);
-                set => Data = CtdEncoders.International.FromText(value);
+                get => CtdEncoders.Unified.ToText(Data);
+                set => Data = CtdEncoders.Unified.FromText(value);
             }
 
             public override string ToString() =>

OpenKh.Bbs/Messages/CtdEncoders.cs

@@ -1,13 +1,13 @@
-using OpenKh.Bbs.Messages.Internals;
+using OpenKh.Bbs.Messages.Internals;
 
 namespace OpenKh.Bbs.Messages
 {
     public static class CtdEncoders
     {
-        public static ICtdMessageEncoder International { get; } =
-            new InternationalCtdEncoder();
-
-        public static ICtdMessageEncoder Japanese { get; } =
-            new InternationalCtdEncoder();
+        /// <summary>
+        /// The unified CTD message encoder and decoder fit for both International and Japanese usage.
+        /// </summary>
+        public static ICtdMessageEncoder Unified { get; } =
+            new UnifiedCtdEncoder();
     }
 }

OpenKh.Bbs/Messages/CtdFromTextOptions.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenKh.Bbs.Messages
+{
+    public class CtdFromTextOptions
+    {
+        /// <summary>
+        /// Encode input as Shift_JIS encoding.
+        /// </summary>
+        public bool EncodeAsShiftJIS { get; set; }
+    }
+}

OpenKh.Bbs/Messages/CtdToTextOptions.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace OpenKh.Bbs.Messages
+{
+    public class CtdToTextOptions
+    {
+        /// <summary>
+        /// Allow to decode unknown as `{:unk FF}` alternative instead of throwing an exception.
+        /// </summary>
+        public bool AllowUnkUsage { get; set; } = true;
+
+        /// <summary>
+        /// Decode input as Shift_JIS encoding.
+        /// </summary>
+        public bool DecodeAsShiftJIS { get; set; }
+    }
+}

OpenKh.Bbs/Messages/ICtdMessageDecode.cs

@@ -1,7 +1,7 @@
-namespace OpenKh.Bbs.Messages
+namespace OpenKh.Bbs.Messages
 {
     public interface ICtdMessageDecode
     {
-        string ToText(byte[] data);
+        string ToText(byte[] data, CtdToTextOptions opts = null);
     }
 }

OpenKh.Bbs/Messages/ICtdMessageEncode.cs

@@ -1,7 +1,7 @@
-namespace OpenKh.Bbs.Messages
+namespace OpenKh.Bbs.Messages
 {
     public interface ICtdMessageEncode
     {
-        byte[] FromText(string text);
+        byte[] FromText(string text, CtdFromTextOptions opts = null);
     }
 }