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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5341 a592a061-630c-0410-9148-cb99ea01b6c8
70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
// -*- C++ -*-
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/**
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* \file lyxlib.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* A selection of useful system functions made
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* handy for C++ usage.
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*
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* \author Lars Gullik Bjønnes
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*
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* Full author contact details are available in file CREDITS
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*/
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#ifndef LYX_LIB_H
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#define LYX_LIB_H
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#include "LString.h"
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namespace lyx {
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/// get the current working directory
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string const getcwd();
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/// change to a directory, 0 is returned on success.
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int chdir(string const & name);
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/**
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* rename a file, returns false if it fails.
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* It can handle renames across partitions.
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*/
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bool rename(string const & from, string const & to);
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/// copy a file, returns false it it fails
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bool copy(string const & from, string const & to);
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/// generates a checksum of a file
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unsigned long sum(string const & file);
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/// FIXME: some point to this hmm ?
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int kill(int pid, int sig);
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/// FIXME: same here
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void abort();
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/// create the given directory with the given mode
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int mkdir(string const & pathname, unsigned long int mode);
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/// put a C string into the environment
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int putenv(char const * str);
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/// unlink the given file
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int unlink(string const & file);
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/// remove the given directory
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int rmdir(string const & file);
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/// convert the given string to an integer
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int atoi(string const & nstr);
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/// (securely) create a temporary file in the given dir with the given prefix
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string const tempName(string const & dir = string(),
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string const & mask = string());
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/**
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* Returns true if var is approximately equal to number with allowed error
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* of 'error'.
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*
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* Usage: if (float_equal(var, number, 0.0001)) { }
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*
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* This will check if 'var' is approx. equal to 'number' with error of 1/1000
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*/
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inline bool float_equal(float var, float number, float error)
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{
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return (number - error <= var && var <= number + error);
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}
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} // namespace lyx
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#endif /* LYX_LIB_H */
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