FileBuf.hpp

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* Copyright (C) 2006, Novell, Inc. All rights reserved.
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#ifndef BLOCXX_FILE_BUF_HPP_INCLUDE_GUARD_
#define BLOCXX_FILE_BUF_HPP_INCLUDE_GUARD_
#include "blocxx/BLOCXX_config.h"

#include "blocxx/CommonFwd.hpp"
#include "blocxx/BaseStreamBuffer.hpp"
#include "blocxx/AutoDescriptor.hpp"
#include "blocxx/Types.hpp"
#include <cstdio>

namespace BLOCXX_NAMESPACE
{

class FileBuf : public BaseStreamBuffer
{
public:

   FileBuf();

   ~FileBuf();

   bool isOpen() const;

   FileBuf* open(FILE* fp);

   FileBuf* open(AutoDescriptor fd);
#if 0

   FileBuf* open(const File& f);
#endif

   FileBuf* open(const char* path, std::ios_base::openmode mode, mode_t permissions = 0666);

   FileBuf* close();

private:
   virtual int buffer_to_device(const char* c, int n);
   virtual int buffer_from_device(char* c, int n);

   std::ios_base::openmode posixModeToCppMode(int posixMode);

   int cppModeToPOSIXMode(std::ios_base::openmode cppMode);

   const char* cppModeToCMode(std::ios_base::openmode cppMode);

   // prohibit copying and assigning
   // NO IMPLEMENTATION
   FileBuf(const FileBuf& arg);
   FileBuf& operator=(const FileBuf& arg);

   ::FILE* m_file;
};

} // end namespace BLOCXX_NAMESPACE

#endif