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Bzip2Ifstream.h
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34 
35 #ifndef OPENMS_FORMAT_BZIP2IFSTREAM_H
36 #define OPENMS_FORMAT_BZIP2IFSTREAM_H
37 
38 #include <OpenMS/config.h>
39 #include <bzlib.h>
40 #include <istream>
41 
42 namespace OpenMS
43 {
47  class OPENMS_DLLAPI Bzip2Ifstream
48  {
49 public:
51  Bzip2Ifstream();
53  explicit Bzip2Ifstream(const char * filename);
55  virtual ~Bzip2Ifstream();
56 
71  size_t read(char * s, size_t n);
72 
78  bool streamEnd() const;
79 
83  bool isOpen() const;
84 
89  void open(const char * filename);
90 
94  void close();
95 
96 protected:
98  FILE * file_;
100  BZFILE * bzip2file_;
102  size_t n_buffer_;
104  int bzerror_;
107 
108  //not implemented
109  Bzip2Ifstream(const Bzip2Ifstream & bzip2);
110  Bzip2Ifstream & operator=(const Bzip2Ifstream & bzip2);
111  };
112 
113  //return bzip2file???!!!!????
114  inline bool Bzip2Ifstream::isOpen() const
115  {
116  return file_ != NULL;
117  }
118 
119  inline bool Bzip2Ifstream::streamEnd() const
120  {
121  return stream_at_end_;
122  }
123 
124 } //namespace OpenMS
125 #endif //OPENMS_FORMAT_BZIP2IFSTREAM_H
bool stream_at_end_
true if end of file is reached
Definition: Bzip2Ifstream.h:106
int bzerror_
saves the last returned error by the read function
Definition: Bzip2Ifstream.h:104
Main OpenMS namespace.
Definition: FeatureDeconvolution.h:47
bool isOpen() const
returns whether a file is open.
Definition: Bzip2Ifstream.h:114
FILE * file_
pointer to a FILE object. Necessary for opening the file
Definition: Bzip2Ifstream.h:98
Decompresses files which are compressed in the bzip2 format (*.bz2)
Definition: Bzip2Ifstream.h:47
bool streamEnd() const
indicates whether the read function can be used safely
Definition: Bzip2Ifstream.h:119
size_t n_buffer_
counts the last read buffer
Definition: Bzip2Ifstream.h:102
BZFILE * bzip2file_
a pointer to a BZFILE object. Necessary for decompression
Definition: Bzip2Ifstream.h:100

OpenMS / TOPP release 2.3.0 Documentation generated on Tue Jan 9 2018 18:21:59 using doxygen 1.8.13