DataReader.h++

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/* ---------------------------------------------------------------------------
   commonc++ - A C++ Common Class Library
   Copyright (C) 2005-2014  Mark A Lindner

   This file is part of commonc++.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   ---------------------------------------------------------------------------
*/

#ifndef __ccxx_DataReader_hxx
#define __ccxx_DataReader_hxx

#include <commonc++/Blob.h++>
#include <commonc++/DataEncoder.h++>
#include <commonc++/IOException.h++>
#include <commonc++/String.h++>

namespace ccxx {

class COMMONCPP_API DataReader : public DataEncoder
{
 public:

  virtual ~DataReader();

  DataReader& operator>>(bool& v);

  DataReader& operator>>(byte_t& v);

  DataReader& operator>>(byte_t* v);

  DataReader& operator>>(char& v);

  DataReader& operator>>(char* v);

  DataReader& operator>>(int16_t& v);

  DataReader& operator>>(int16_t* v);

  DataReader& operator>>(uint16_t& v);

  DataReader& operator>>(uint16_t* v);

  DataReader& operator>>(int32_t& v);

  DataReader& operator>>(int32_t* v);

  DataReader& operator>>(uint32_t& v);

  DataReader& operator>>(uint32_t* v);

  DataReader& operator>>(int64_t& v);

  DataReader& operator>>(int64_t* v);

  DataReader& operator>>(uint64_t& v);

  DataReader& operator>>(uint64_t* v);

  DataReader& operator>>(float& v);

  DataReader& operator>>(float* v);

  DataReader& operator>>(double& v);

  DataReader& operator>>(double* v);

  DataReader& operator>>(Blob& v);

  DataReader& operator>>(String& v);

  DataReader& operator>>(const Manipulator& manip);

  size_t readBytes(byte_t* buf, size_t len);

  void readFully(byte_t* buf, size_t len);

 protected:

  DataReader();

  virtual size_t read(byte_t* buf, size_t count) = 0;

  virtual void readString(String& v, uint32_t length);

 private:

  CCXX_COPY_DECLS(DataReader);
};

} // namespace ccxx

#endif // __ccxx_DataReader_hxx