CoinFileIO.hpp

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/* $Id$ */
// 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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