new folder structure and new C# script host

src/Misc/Theme.cs

@@ -0,0 +1,96 @@
+
+using System.Collections.Generic;
+using System.Windows.Media;
+
+namespace mpvnet
+{
+    public class Theme
+    {
+        public string Name { get; set; }
+        public Dictionary<string, string> Dictionary { get; } = new Dictionary<string, string>();
+
+        public static List<Theme> DefaultThemes { get; set; }
+        public static List<Theme> CustomThemes { get; set; }
+
+        public static Theme Current { get; set; }
+
+        public static Brush Foreground { get; set; }
+        public static Brush Foreground2 { get; set; }
+        public static Brush Background { get; set; }
+        public static Brush Heading { get; set; }
+
+        public System.Drawing.Color GetWinFormsColor(string key)
+        {
+            return System.Drawing.ColorTranslator.FromHtml(Dictionary[key]);
+        }
+
+        public Brush GetBrush(string key)
+        {
+            return new SolidColorBrush((Color)ColorConverter.ConvertFromString(Dictionary[key]));
+        }
+
+        public static void Init(string customContent, string defaultContent, string activeTheme)
+        {
+            DefaultThemes = Load(defaultContent);
+            CustomThemes = Load(customContent);
+
+            foreach (Theme theme in CustomThemes)
+            {
+                if (theme.Name == activeTheme)
+                {
+                    bool isKeyMissing = false;
+
+                    foreach (string key in DefaultThemes[0].Dictionary.Keys)
+                    {
+                        if (!theme.Dictionary.ContainsKey(key))
+                        {
+                            isKeyMissing = true;
+                            ConsoleHelp.WriteError($"Theme '{activeTheme}' misses '{key}'");
+                            break;
+                        }
+                    }
+
+                    if (!isKeyMissing)
+                        Current = theme;                     
+
+                    break;
+                }
+            }
+
+            if (Current == null)
+                foreach (Theme theme in DefaultThemes)
+                    if (theme.Name == activeTheme)
+                        Current = theme;
+
+            if (Current == null)
+                Current = DefaultThemes[0];
+
+            Foreground = Current.GetBrush("foreground");
+            Foreground2 = Current.GetBrush("foreground2");
+            Background = Current.GetBrush("background");
+            Heading = Current.GetBrush("heading");
+        }
+
+        static List<Theme> Load(string content)
+        {
+            List<Theme> list = new List<Theme>();
+            Theme theme = null;
+
+            foreach (string currentLine in (content ?? "").Split(new [] { '\r', '\n' }))
+            {
+                string line = currentLine.Trim();
+
+                if (line.StartsWith("[") && line.EndsWith("]"))
+                    list.Add(theme = new Theme() { Name = line.Substring(1, line.Length - 2).Trim() });
+
+                if (line.Contains("=") && theme != null)
+                {
+                    string left = line.Substring(0, line.IndexOf("=")).Trim();
+                    theme.Dictionary[left] = line.Substring(line.IndexOf("=") + 1).Trim();
+                }
+            }
+
+            return list;
+        }
+    }
+}