lyx_mirror/src/support/lyxlib.h
Angus Leeming 236ea81bc5 Replace LString.h with support/std_string.h,
Lsstream.h with support/std_sstream.h,
support/LIstream.h with support/std_istream.h,
support/LOstream.h with support/std_ostream.h.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7685 a592a061-630c-0410-9148-cb99ea01b6c8
2003-09-05 17:23:11 +00:00

72 lines
1.9 KiB
C++

// -*- C++ -*-
/**
* \file lyxlib.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* A selection of useful system functions made
* handy for C++ usage.
*
* \author Lars Gullik Bjønnes
*
* Full author contact details are available in file CREDITS.
*/
#ifndef LYX_LIB_H
#define LYX_LIB_H
#include "support/std_string.h"
namespace lyx {
namespace support {
/// get the current working directory
string const getcwd();
/// change to a directory, 0 is returned on success.
int chdir(string const & name);
/**
* rename a file, returns false if it fails.
* It can handle renames across partitions.
*/
bool rename(string const & from, string const & to);
/// copy a file, returns false it it fails
bool copy(string const & from, string const & to);
/// generates a checksum of a file
unsigned long sum(string const & file);
/// FIXME: some point to this hmm ?
int kill(int pid, int sig);
/// FIXME: same here
void abort();
/// create the given directory with the given mode
int mkdir(string const & pathname, unsigned long int mode);
/// put a C string into the environment
int putenv(char const * str);
/// unlink the given file
int unlink(string const & file);
/// remove the given directory
int rmdir(string const & file);
/// convert the given string to an integer
int atoi(string const & nstr);
/// (securely) create a temporary file in the given dir with the given prefix
string const tempName(string const & dir = string(),
string const & mask = string());
/**
* Returns true if var is approximately equal to number with allowed error
* of 'error'.
*
* Usage: if (float_equal(var, number, 0.0001)) { }
*
* This will check if 'var' is approx. equal to 'number' with error of 1/1000
*/
inline bool float_equal(float var, float number, float error)
{
return (number - error <= var && var <= number + error);
}
} // namespace support
} // namespace lyx
#endif /* LYX_LIB_H */