add AR code file parser and shit

src/ARCodeFile.h

@@ -0,0 +1,63 @@
+/*
+    Copyright 2016-2020 Arisotura
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
+#ifndef ARCODEFILE_H
+#define ARCODEFILE_H
+
+#include <vector>
+
+#include "types.h"
+
+typedef struct
+{
+    char Name[128];
+    bool Enabled;
+    u32 CodeLen;
+    u32 Code[2*64];
+
+} ARCode;
+
+typedef std::vector<ARCode> ARCodeList;
+
+typedef struct
+{
+    char Name[128];
+    ARCodeList Codes;
+
+} ARCodeCat;
+
+typedef std::vector<ARCodeCat> ARCodeCatList;
+
+
+class ARCodeFile
+{
+public:
+    ARCodeFile(const char* filename);
+    ~ARCodeFile();
+
+    bool Error;
+
+    bool Save();
+
+    ARCodeCatList Categories;
+
+private:
+    char Filename[1024];
+};
+
+#endif // ARCODEFILE_H