DyLP  1.10.4
CoinFileIO.hpp
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1 /* $Id: CoinFileIO.hpp 2083 2019-01-06 19:38:09Z unxusr $ */
2 // Copyright (C) 2005, COIN-OR. All Rights Reserved.
3 // This code is licensed under the terms of the Eclipse Public License (EPL).
4 
5 #ifndef CoinFileIO_H
6 #define CoinFileIO_H
7 
8 #include <string>
9 
12 public:
15  CoinFileIOBase(const std::string &fileName);
16 
19 
21  const char *getFileName() const;
22 
24  inline std::string getReadType() const
25  {
26  return readType_.c_str();
27  }
28 
29 protected:
30  std::string readType_;
31 
32 private:
35 
36  std::string fileName_;
37 };
38 
40 class CoinFileInput : public CoinFileIOBase {
41 public:
43  static bool haveGzipSupport();
45  static bool haveBzip2Support();
46 
54  static CoinFileInput *create(const std::string &fileName);
55 
58  CoinFileInput(const std::string &fileName);
59 
61  virtual ~CoinFileInput();
62 
67  virtual int read(void *buffer, int size) = 0;
68 
78  virtual char *gets(char *buffer, int size) = 0;
79 };
80 
83 public:
84  CoinPlainFileInput(const std::string &fileName);
86  CoinPlainFileInput(FILE *fp);
87  virtual ~CoinPlainFileInput();
88 
89  virtual int read(void *buffer, int size);
90 
91  virtual char *gets(char *buffer, int size);
92 
93 private:
94  FILE *f_;
95 };
96 
99 public:
101  enum Compression {
102  COMPRESS_NONE = 0,
103  COMPRESS_GZIP = 1,
104  COMPRESS_BZIP2 = 2
105  };
106 
109  static bool compressionSupported(Compression compression);
110 
121  static CoinFileOutput *create(const std::string &fileName,
122  Compression compression);
123 
126  CoinFileOutput(const std::string &fileName);
127 
129  virtual ~CoinFileOutput();
130 
135  virtual int write(const void *buffer, int size) = 0;
136 
144  virtual bool puts(const char *s);
145 
147  inline bool puts(const std::string &s)
148  {
149  return puts(s.c_str());
150  }
151 };
152 
160 bool fileAbsPath(const std::string &path);
161 
180 bool fileCoinReadable(std::string &name,
181  const std::string &dfltPrefix = std::string(""));
182 #endif
183 
184 /* vi: softtabstop=2 shiftwidth=2 expandtab tabstop=2
185 */
bool puts(const std::string &s)
Convenience method: just a &#39;puts(s.c_str())&#39;.
Definition: CoinFileIO.hpp:147
Base class for FileIO classes.
Definition: CoinFileIO.hpp:11
std::string getReadType() const
Return the method of reading being used.
Definition: CoinFileIO.hpp:24
Abstract base class for file output classes.
Definition: CoinFileIO.hpp:98
Compression
The compression method.
Definition: CoinFileIO.hpp:101
std::string fileName_
Definition: CoinFileIO.hpp:36
std::string readType_
Definition: CoinFileIO.hpp:30
Abstract base class for file input classes.
Definition: CoinFileIO.hpp:40
const char * getFileName() const
Return the name of the file used by this object.
~CoinFileIOBase()
Destructor.
This reads plain text files.
Definition: CoinFileIO.hpp:82