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 7 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_(0)
{
    init (name);
}

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

explicit

Definition at line 13 of file binary_ifstream.cc.

References init().

                                                       : file_(0)
{
    init (name.c_str());
}

binary_ifstream::~binary_ifstream

(

)

Definition at line 28 of file binary_ifstream.cc.

References close().

{
    close();
}

Member Function Documentation

bool binary_ifstream::bad

(

)

const

Definition at line 99 of file binary_ifstream.cc.

References fail().

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

{return fail();}

void binary_ifstream::close

(

void

)

Definition at line 32 of file binary_ifstream.cc.

References file_.

Referenced by python.Vispa.Gui.BoxContentDialog.BoxContentDialog::keyPressEvent(), python.Vispa.Gui.FindDialog.FindDialog::keyPressEvent(), MagneticFieldGrid::load(), and ~binary_ifstream().

{
    if (file_ != 0) fclose( file_);
    file_ = 0;
}

bool binary_ifstream::eof

(

)

const

Definition at line 88 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_ == 0 || ferror( file_) != 0;
}

bool binary_ifstream::good

(

)

const

stream state checking

Definition at line 83 of file binary_ifstream.cc.

References bad(), and eof().

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

void binary_ifstream::init ( const char *  name )

private

Definition at line 18 of file binary_ifstream.cc.

References gather_cfg::cout, and file_.

Referenced by binary_ifstream().

{
    file_ = fopen( name, "rb");
    if (file_ == 0) {
    std::cout << "file " << name << " cannot be opened for reading"
          << std::endl;
    throw binary_ifstream_error();
    }
}

binary_ifstream::operator bool

(

)

const

Definition at line 105 of file binary_ifstream.cc.

                                     {
    return good();
}

bool binary_ifstream::operator!

(

)

const

Definition at line 101 of file binary_ifstream.cc.

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

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

binary_ifstream & binary_ifstream::operator>>

(

char &

n

)

Definition at line 38 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 43 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 48 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 50 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 52 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 54 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 57 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 59 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 62 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 64 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 67 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 72 of file binary_ifstream.cc.

References gather_cfg::cout, file_, and 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 45 of file binary_ifstream.h.

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