* Refactor Stream and *Reader classes

include/Athena/IStream.hpp

@@ -0,0 +1,46 @@
+// This file is part of libAthena.
+//
+// libAthena 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.
+//
+// libAthena 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 libAthena.  If not, see <http://www.gnu.org/licenses/>
+
+#ifndef STREAM_HPP
+#define STREAM_HPP
+
+#include "Global.hpp"
+#include "Athena/NotImplementedException.hpp"
+
+namespace Athena
+{
+namespace io
+{
+std::ostream& operator<<(std::ostream& os, Endian& endian);
+
+class IStream
+{
+public:
+    virtual ~IStream() {}
+
+    virtual void setEndian(Endian)    = 0;
+    virtual Endian endian()      const= 0;
+    virtual bool isBigEndian()   const= 0;
+    virtual bool isLittleEndian()const= 0;
+    virtual bool isOpen()        const= 0;
+    virtual void seek(atInt64, SeekOrigin)=0;
+    virtual bool atEnd()         const= 0;
+    virtual atUint64 position()    const= 0;
+    virtual atUint64 length()      const= 0;
+    virtual void seekBit    (int)=0;
+};
+}
+}
+#endif // STREAM_HPP