CoinFileIO.hpp

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/* $Id: CoinFileIO.hpp 2083 2019-01-06 19:38:09Z unxusr $ */
// Copyright (C) 2005, COIN-OR.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).

#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 bool haveGzipSupport();
  static bool haveBzip2Support();

  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 CoinPlainFileInput : public CoinFileInput {
public:
  CoinPlainFileInput(const std::string &fileName);
  CoinPlainFileInput(FILE *fp);
  virtual ~CoinPlainFileInput();

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

  virtual char *gets(char *buffer, int size);

private:
  FILE *f_;
};

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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