添加项目文件。

TightWiki.Engine.Implementation/EmojiHandler.cs

@@ -0,0 +1,44 @@
+using TightWiki.Engine.Library;
+using TightWiki.Engine.Library.Interfaces;
+using TightWiki.Models;
+using static TightWiki.Engine.Library.Constants;
+
+namespace TightWiki.Engine.Implementation
+{
+    /// <summary>
+    /// Handles wiki emojis.
+    /// </summary>
+    public class EmojiHandler : IEmojiHandler
+    {
+        /// <summary>
+        /// Handles an emoji instruction.
+        /// </summary>
+        /// <param name="state">Reference to the wiki state object</param>
+        /// <param name="key">The lookup key for the given emoji.</param>
+        /// <param name="scale">The desired 1-100 scale factor for the emoji.</param>
+        public HandlerResult Handle(ITightEngineState state, string key, int scale)
+        {
+            var emoji = GlobalConfiguration.Emojis.FirstOrDefault(o => o.Shortcut == key);
+
+            if (GlobalConfiguration.Emojis.Exists(o => o.Shortcut == key))
+            {
+                if (scale != 100 && scale > 0 && scale <= 500)
+                {
+                    var emojiImage = $"<img src=\"{GlobalConfiguration.BasePath}/file/Emoji/{key.Trim('%')}?Scale={scale}\" alt=\"{emoji?.Name}\" />";
+
+                    return new HandlerResult(emojiImage);
+                }
+                else
+                {
+                    var emojiImage = $"<img src=\"{GlobalConfiguration.BasePath}/file/Emoji/{key.Trim('%')}\" alt=\"{emoji?.Name}\" />";
+
+                    return new HandlerResult(emojiImage);
+                }
+            }
+            else
+            {
+                return new HandlerResult(key) { Instructions = [HandlerResultInstruction.DisallowNestedProcessing] };
+            }
+        }
+    }
+}