cgv::utils::big_binary_file Class Reference

class to handle files with very large sizes (>=2GB) hiding the ugly win32 api calls More...

#include <big_binary_file.h>

Public Types
enum	MODE { READ = 1 , WRITE = 2 , READ_WRITE = 3 }

Public Member Functions
	big_binary_file (const std::string &filename="")
	assosiates the new instance to the file filename
virtual	~big_binary_file ()
	close the file (if it is still opened)
bool	open (MODE m, const std::string &file_name="")
	open a file in read or write mode
void	close ()
	close the file
bool	is_open ()
	return true if the file is opened
long long	size ()
	return the size of the file in bytes
bool	read (unsigned char *targetbuffer, unsigned long num, unsigned long *numread=NULL)
	read num bytes from the file into the targetbuffer
bool	write (const unsigned char *sourcebuffer, unsigned long num, unsigned long *numwrote=NULL)
	write num bytes to the file from the sourcebuffer (file must be opened with write access first)
template<typename T >
bool	read (T &v)
	read a typedef value
template<typename T >
bool	read_array (T *a, unsigned int n)
	read an array of typed values
template<typename T >
bool	write (const T &v)
	write a typedef value
template<typename T >
bool	write_array (const T *a, unsigned int n)
	write an array of typed values
bool	seek (long long index)
long long	position ()
	return the position of the file pointer in bytes

Detailed Description

class to handle files with very large sizes (>=2GB) hiding the ugly win32 api calls

linux-support by using 64bit pointer, LFS required in kernel

Definition at line 14 of file big_binary_file.h.

Member Enumeration Documentation

MODE

enum cgv::utils::big_binary_file::MODE

Definition at line 17 of file big_binary_file.h.

Member Function Documentation

read()

template<typename T >

bool cgv::utils::big_binary_file::read ( T &  v )

inline

read a typedef value

Definition at line 52 of file big_binary_file.h.

References read().

Referenced by read().

read_array()

template<typename T >

bool cgv::utils::big_binary_file::read_array ( T *  a, unsigned int  n  )

inline

read an array of typed values

Definition at line 55 of file big_binary_file.h.

write()

template<typename T >

bool cgv::utils::big_binary_file::write ( const T &  v )

inline

write a typedef value

Definition at line 59 of file big_binary_file.h.

References write().

Referenced by write().

write_array()

template<typename T >

bool cgv::utils::big_binary_file::write_array ( const T *  a, unsigned int  n  )

inline

write an array of typed values

Definition at line 62 of file big_binary_file.h.

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The documentation for this class was generated from the following file:

• cgv/utils/big_binary_file.h