feat(Studio): Read .studioconfig.toml file

Studio/CelesteStudio/Editing/Editor.cs

@@ -24,7 +24,10 @@ namespace CelesteStudio.Editing;
 
 public sealed class Editor : SkiaDrawable {
     /// Reports insertions and deletions of the underlying document
-    public event Action<Document, Dictionary<int, string>, Dictionary<int, string>> TextChanged = (_, _, _) => {};
+    public event Action<Document, Dictionary<int, string>, Dictionary<int, string>> TextChanged = (_, _, _) => { };
+
+    /// The currently open file has changed. The previous document might not be available (for example during startup).
+    public event Action<Document?, Document> DocumentChanged = (_, _) => { };
 
     private Document? document;
     public Document Document {
@@ -39,6 +42,7 @@ public Document Document {
                 }
             }
 
+            DocumentChanged(document, value);
             document = value;
 
             // Jump to end when file only 10 lines, else the start
@@ -313,6 +317,10 @@ public Editor(Document document, Scrollable scrollable) {
         this.document = document;
         this.scrollable = scrollable;
 
+        StyleConfig.Initialize(this);
+
+        DocumentChanged(null, document);
+
         CanFocus = true;
         Cursor = Cursors.IBeam;
 

Studio/CelesteStudio/Editing/StyleConfig.cs

@@ -0,0 +1,49 @@
+using CelesteStudio.Data;
+using CelesteStudio.Dialog;
+using Eto.Forms;
+using StudioCommunication.Util;
+using System;
+using System.IO;
+using System.Reflection;
+using Tomlet;
+using Tomlet.Models;
+
+namespace CelesteStudio.Editing;
+
+/// Defined by an ".studioconfig.toml" file in the root of the project
+public struct StyleConfig() {
+    private const string ConfigFile = ".studioconfig.toml";
+
+    public static StyleConfig Current { get; private set; } = new();
+
+    public bool ForceCorrectCommandCasing { get; set; } = false;
+    public string? CommandSeparator { get; set; } = null;
+
+    public int? RoomLabelStartingIndex { get; set; } = null;
+    public AutoRoomIndexing? RoomLabelIndexing { get; set; } = null;
+
+    public static void Initialize(Editor editor) {
+        editor.DocumentChanged += (_, document) => {
+            if (string.IsNullOrEmpty(document.FilePath)) {
+                return;
+            }
+
+            string projectRoot = Editor.FindProjectRoot(document.FilePath);
+            string configPath = Path.Combine(projectRoot, ConfigFile);
+
+            if (!File.Exists(configPath)) {
+                return;
+            }
+
+            Console.WriteLine($"Found project style config '{configPath}'");
+
+            try {
+                var toml = TomlParser.ParseFile(configPath);
+                Current = TomletMain.To<StyleConfig>(toml, new TomlSerializerOptions());
+            } catch (Exception ex) {
+                Console.Error.WriteLine("Failed to load project style config");
+                Console.Error.WriteLine(ex);
+            }
+        };
+    }
+}