binary_ifstream Class Reference

#include <binary_ifstream.h>

Public Member Functions
bool	bad () const
	binary_ifstream (const char *name)
	binary_ifstream (const std::string &name)
void	close ()
bool	eof () const
bool	fail () const
bool	good () const
	stream state checking More...
	operator bool () const
bool	operator! () const
binary_ifstream &	operator>> (char &n)
binary_ifstream &	operator>> (unsigned char &n)
binary_ifstream &	operator>> (short &n)
binary_ifstream &	operator>> (unsigned short &n)
binary_ifstream &	operator>> (int &n)
binary_ifstream &	operator>> (unsigned int &n)
binary_ifstream &	operator>> (long &n)
binary_ifstream &	operator>> (unsigned long &n)
binary_ifstream &	operator>> (float &n)
binary_ifstream &	operator>> (double &n)
binary_ifstream &	operator>> (bool &n)
binary_ifstream &	operator>> (std::string &n)
	~binary_ifstream ()

Private Member Functions
void	init (const char *name)

Private Attributes
FILE *	file_

Detailed Description

Definition at line 8 of file binary_ifstream.h.

Constructor & Destructor Documentation

binary_ifstream::binary_ifstream ( const char *  name )

explicit

Definition at line 8 of file binary_ifstream.cc.

References init().

: file_(nullptr) { init(name); }

binary_ifstream::binary_ifstream ( const std::string &  name )

explicit

Definition at line 10 of file binary_ifstream.cc.

References init().

: file_(nullptr) { init(name.c_str()); }

binary_ifstream::~binary_ifstream

(

)

Definition at line 20 of file binary_ifstream.cc.

References close().

{ close(); }

Member Function Documentation

bool binary_ifstream::bad

(

)

const

Definition at line 96 of file binary_ifstream.cc.

References fail().

Referenced by good(), and operator!().

{ return fail(); }

void binary_ifstream::close

(

void

)

Definition at line 21 of file binary_ifstream.cc.

References file_.

Referenced by esMonitoring.AsyncLineReaderMixin::handle_close(), esMonitoring.FDJsonServer::handle_close(), MagneticFieldGrid::load(), and ~binary_ifstream().

                            {
  if (file_ != nullptr)
    fclose(file_);
  file_ = nullptr;
}

bool binary_ifstream::eof

(

)

const

Definition at line 91 of file binary_ifstream.cc.

References file_.

Referenced by good(), and operator!().

{ return feof(file_); }

bool binary_ifstream::fail

(

)

const

Definition at line 93 of file binary_ifstream.cc.

References file_.

Referenced by bad(), and operator!().

{ return file_ == nullptr || ferror(file_) != 0; }

bool binary_ifstream::good

(

)

const

stream state checking

Definition at line 89 of file binary_ifstream.cc.

References bad(), and eof().

{ return !bad() && !eof(); }

void binary_ifstream::init ( const char *  name )

private

Definition at line 12 of file binary_ifstream.cc.

References gather_cfg::cout, and file_.

Referenced by binary_ifstream().

                                           {
  file_ = fopen(name, "rb");
  if (file_ == nullptr) {
    std::cout << "file " << name << " cannot be opened for reading" << std::endl;
    throw binary_ifstream_error();
  }
}

binary_ifstream::operator bool

(

)

const

Definition at line 102 of file binary_ifstream.cc.

References good.

{ return good(); }

bool binary_ifstream::operator!

(

)

const

Definition at line 98 of file binary_ifstream.cc.

References bad(), eof(), and fail().

{ return fail() || bad() || eof(); }

binary_ifstream & binary_ifstream::operator>>

(

char &

n

)

Definition at line 27 of file binary_ifstream.cc.

References file_.

                                                    {
  n = static_cast<char>(fgetc(file_));
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

unsigned char &

n

)

Definition at line 32 of file binary_ifstream.cc.

References file_.

                                                             {
  n = static_cast<unsigned char>(fgetc(file_));
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

short &

n

)

Definition at line 37 of file binary_ifstream.cc.

References file_.

                                                     {
  fread(&n, sizeof(n), 1, file_);
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

unsigned short &

n

)

Definition at line 41 of file binary_ifstream.cc.

References file_.

                                                              {
  fread(&n, sizeof(n), 1, file_);
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

int &

n

)

Definition at line 45 of file binary_ifstream.cc.

References file_.

                                                   {
  fread(&n, sizeof(n), 1, file_);
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

unsigned int &

n

)

Definition at line 49 of file binary_ifstream.cc.

References file_.

                                                            {
  fread(&n, sizeof(n), 1, file_);
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

long &

n

)

Definition at line 54 of file binary_ifstream.cc.

References file_.

                                                    {
  fread(&n, sizeof(n), 1, file_);
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

unsigned long &

n

)

Definition at line 58 of file binary_ifstream.cc.

References file_.

                                                             {
  fread(&n, sizeof(n), 1, file_);
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

float &

n

)

Definition at line 63 of file binary_ifstream.cc.

References file_.

                                                     {
  fread(&n, sizeof(n), 1, file_);
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

double &

n

)

Definition at line 67 of file binary_ifstream.cc.

References file_.

                                                      {
  fread(&n, sizeof(n), 1, file_);
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

bool &

n

)

Definition at line 72 of file binary_ifstream.cc.

References file_.

                                                    {
  n = static_cast<bool>(fgetc(file_));
  return *this;
}

binary_ifstream & binary_ifstream::operator>>

(

std::string &

n

)

Definition at line 77 of file binary_ifstream.cc.

References gather_cfg::cout, file_, and createJobs::tmp.

                                                         {
  unsigned int nchar;
  (*this) >> nchar;
  char* tmp = new char[nchar + 1];
  unsigned int nread = fread(tmp, 1, nchar, file_);
  if (nread != nchar)
    std::cout << "binary_ifstream error: read less then expected " << std::endl;
  n.assign(tmp, nread);
  delete[] tmp;
  return *this;
}

Member Data Documentation

FILE* binary_ifstream::file_

private

Definition at line 44 of file binary_ifstream.h.

Referenced by close(), eof(), fail(), init(), and operator>>().