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/*
Copyright (C) 2010-2015 John W. Eaton
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <algorithm>
#include <string>
#include <fnmatch.h>
#include <glob.h>
#include "oct-glob.h"
#include "file-stat.h"
// These functions are defined here and not in glob_match.cc so that we
// can include the glob.h file from gnulib, which defines glob to
// be rpl_glob. If we include glob.h in glob_match.cc, then it
// transforms the glob_match::glob function to be glob_match::rpl_glob,
// which is not what we want...
static bool
single_match_exists (const std::string& file)
{
file_stat s (file);
return s.exists ();
}
bool
octave_fnmatch (const string_vector& pat, const std::string& str,
int fnmatch_flags)
{
int npat = pat.length ();
const char *cstr = str.c_str ();
for (int i = 0; i < npat; i++)
if (fnmatch (pat(i).c_str (), cstr, fnmatch_flags) != FNM_NOMATCH)
return true;
return false;
}
string_vector
octave_glob (const string_vector& pat)
{
string_vector retval;
int npat = pat.length ();
int k = 0;
for (int i = 0; i < npat; i++)
{
std::string xpat = pat(i);
if (! xpat.empty ())
{
glob_t glob_info;
#if defined (OCTAVE_HAVE_WINDOWS_FILESYSTEM) \
&& ! defined (OCTAVE_HAVE_POSIX_FILESYSTEM)
std::replace_if (xpat.begin (), xpat.end (),
std::bind2nd (std::equal_to<char> (), '\\'),
'/');
#endif
int err = gnulib::glob (xpat.c_str (), GLOB_NOSORT, 0, &glob_info);
if (! err)
{
int n = glob_info.gl_pathc;
const char * const *matches = glob_info.gl_pathv;
// FIXME: we shouldn't have to check to see if
// a single match exists, but it seems that glob() won't
// check for us unless the pattern contains globbing
// characters. Hmm.
if (n > 1
|| (n == 1
&& single_match_exists (std::string (matches[0]))))
{
retval.resize (k+n);
for (int j = 0; j < n; j++)
{
std::string tmp = matches[j];
#if defined (OCTAVE_HAVE_WINDOWS_FILESYSTEM) \
&& ! defined (OCTAVE_HAVE_POSIX_FILESYSTEM)
std::replace_if (tmp.begin (), tmp.end (),
std::bind2nd (std::equal_to<char> (),
'/'),
'\\');
#endif
retval[k++] = tmp;
}
}
gnulib::globfree (&glob_info);
}
}
}
return retval.sort ();
}
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