/home/coin/SVN-release/CoinAll-1.1.0/CoinUtils/src/CoinFileIO.hpp

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// Copyright (C) 2005, COIN-OR.  All Rights Reserved.
#ifndef CoinFileIO_H
#define CoinFileIO_H

#include <string>

class CoinFileIOBase
{
public:
  CoinFileIOBase (const std::string &fileName);

  ~CoinFileIOBase ();

  const char *getFileName () const;

  inline std::string getReadType () const
  { return readType_.c_str();}
protected:
  std::string readType_;
private:
  CoinFileIOBase ();
  CoinFileIOBase (const CoinFileIOBase &);

  std::string fileName_;
};

class CoinFileInput: public CoinFileIOBase
{
public:
  static CoinFileInput *create (const std::string &fileName);

  CoinFileInput (const std::string &fileName);

  virtual ~CoinFileInput ();

  virtual int read (void *buffer, int size) = 0;

  virtual char *gets (char *buffer, int size) = 0;
};

class CoinFileOutput: public CoinFileIOBase
{
public:

  enum Compression { 
    COMPRESS_NONE = 0, 
    COMPRESS_GZIP = 1, 
    COMPRESS_BZIP2 = 2 
  };

  static bool compressionSupported (Compression compression);

  static CoinFileOutput *create (const std::string &fileName, 
                                 Compression compression);

  CoinFileOutput (const std::string &fileName);

  virtual ~CoinFileOutput ();

  virtual int write (const void * buffer, int size) = 0;

  virtual bool puts (const char *s);

  inline bool puts (const std::string &s)
  {
    return puts (s.c_str ());
  } 
};

bool fileAbsPath (const std::string &path) ;

bool fileCoinReadable(std::string &name,
                      const std::string &dfltPrefix = std::string(""));
#endif

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