write "metrics.ini.new" that automatically converts absolute screen positions to use the SCREEN_* constants

stepmania/src/IniFile.h

@@ -18,6 +18,10 @@ public:
 	const_iterator begin() const { return keys.begin(); }
 	const_iterator end() const { return keys.end(); }
 
+	typedef keymap::iterator iterator;
+	iterator begin() { return keys.begin(); }
+	iterator end() { return keys.end(); }
+
 private:
 	CString m_sPath;
 
@@ -61,6 +65,42 @@ public:
 	void RenameKey( const CString &from, const CString &to );
 };
 
+class IniFilePreserveOrder
+{
+public:
+	// all keys are of this type
+
+	typedef pair<CString, CString> key_value;
+	typedef vector<key_value> key;
+	typedef pair<CString, key> keymap_value;
+	typedef vector<keymap_value> keymap;
+
+	typedef keymap::const_iterator const_iterator;
+	const_iterator begin() const { return keys.begin(); }
+	const_iterator end() const { return keys.end(); }
+
+	typedef keymap::iterator iterator;
+	iterator begin() { return keys.begin(); }
+	iterator end() { return keys.end(); }
+
+private:
+	CString m_sPath;
+
+	keymap keys;
+
+	mutable CString m_sError;
+
+public:
+	/* Retrieve the filename of the last file loaded. */
+	CString GetPath() const { return m_sPath; }
+	const CString &GetError() const { return m_sError; }
+
+	bool ReadFile( const CString &sPath );
+	bool WriteFile( const CString &sPath );
+
+	bool SetValue( const CString &key, const CString &valuename, const CString &value );
+};
+
 #endif
 
 /*