Rework abstract handlers into interfaces

CodeStatistics/CodeStatistics.csproj

@@ -74,12 +74,14 @@
     <Compile Include="Handlers\Objects\Java\Tabs\JavaNamesTab.cs" />
     <Compile Include="Handlers\Objects\Java\Tabs\JavaPrimitivesTab.cs" />
     <Compile Include="Handlers\Objects\Java\Tabs\JavaSyntaxTab.cs" />
+    <Compile Include="Handling\IFolderHandler.cs" />
     <Compile Include="Handling\General\AssetHandler.cs" />
     <Compile Include="Handling\General\UnknownHandler.cs" />
     <Compile Include="Handling\Languages\JavaHandler.cs" />
     <Compile Include="Handling\ParseUtils.cs" />
     <Compile Include="Handlers\ProjectAnalyzer.cs" />
-    <Compile Include="Handling\FileHandler.cs" />
+    <Compile Include="Handling\IFileHandler.cs" />
+    <Compile Include="Handling\HandlerList.cs" />
     <Compile Include="Handling\Variables.cs" />
     <Compile Include="Input\File.cs" />
     <Compile Include="Input\FileSearch.cs" />

CodeStatistics/Handling/FileHandler.cs

@@ -1,13 +0,0 @@
-using CodeStatistics.Input;
-
-namespace CodeStatistics.Handling{
-    abstract class FileHandler{
-        public abstract int Weight { get; }
-
-        public bool IsFileValid(File file){
-            return true;
-        }
-
-        public abstract void Process(File file, Variables.Root variables);
-    }
-}

CodeStatistics/Handling/HandlerList.cs

@@ -0,0 +1,16 @@
+using CodeStatistics.Handling.General;
+using System.Collections.Generic;
+
+namespace CodeStatistics.Handling{
+    class HandlerList{
+        public interface IWeightedEntry{
+            int Weight { get; }
+        }
+
+        private static readonly Dictionary<string,IFileHandler> fileHandlers = new Dictionary<string,IFileHandler>(8);
+        private static readonly List<IFolderHandler> folderHandlers = new List<IFolderHandler>(1);
+
+       static HandlerList(){
+        }
+    }
+}

CodeStatistics/Handling/IFileHandler.cs

@@ -0,0 +1,8 @@
+using CodeStatistics.Input;
+
+namespace CodeStatistics.Handling{
+    interface IFileHandler : HandlerList.IWeightedEntry{
+        bool IsFileValid(File file);
+        void Process(File file, Variables.Root variables);
+    }
+}

CodeStatistics/Handling/IFolderHandler.cs

@@ -0,0 +1,5 @@
+namespace CodeStatistics.Handling{
+    interface IFolderHandler : HandlerList.IWeightedEntry{
+        void Process(string folder, Variables.Root variables);
+    }
+}