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/*
Copyright (C) 1996-2015 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 <stdlib.h>
#include <string>
#include "lo-utils.h"
#include "oct-env.h"
#include "pathsearch.h"
#include "singleton-cleanup.h"
#include "str-vec.h"
#include "kpse.cc"
dir_path::static_members *dir_path::static_members::instance = 0;
dir_path::static_members::static_members (void)
: xpath_sep_char (SEPCHAR), xpath_sep_str (SEPCHAR_STR) { }
bool
dir_path::static_members::instance_ok (void)
{
bool retval = true;
if (! instance)
{
instance = new static_members ();
if (instance)
singleton_cleanup_list::add (cleanup_instance);
}
if (! instance)
{
(*current_liboctave_error_handler)
("unable to create dir_path::static_members object!");
retval = false;
}
return retval;
}
string_vector
dir_path::elements (void)
{
return initialized ? pv : string_vector ();
}
string_vector
dir_path::all_directories (void)
{
int count = 0;
string_vector retval;
if (initialized)
{
int len = pv.length ();
int nmax = len > 32 ? len : 32;
retval.resize (len);
for (int i = 0; i < len; i++)
{
str_llist_type *elt_dirs = kpse_element_dirs (pv[i]);
if (elt_dirs)
{
str_llist_elt_type *dir;
for (dir = *elt_dirs; dir; dir = STR_LLIST_NEXT (*dir))
{
const std::string elt_dir = STR_LLIST (*dir);
if (! elt_dir.empty ())
{
if (count == nmax)
nmax *= 2;
retval.resize (nmax);
retval[count++] = elt_dir;
}
}
}
}
retval.resize (count);
}
return retval;
}
std::string
dir_path::find_first (const std::string& nm)
{
return initialized ? kpse_path_search (p, nm, true) : std::string ();
}
string_vector
dir_path::find_all (const std::string& nm)
{
return initialized ? kpse_all_path_search (p, nm) : string_vector ();
}
std::string
dir_path::find_first_of (const string_vector& names)
{
return initialized
? kpse_path_find_first_of (p, names, true) : std::string ();
}
string_vector
dir_path::find_all_first_of (const string_vector& names)
{
return initialized
? kpse_all_path_find_first_of (p, names) : string_vector ();
}
void
dir_path::init (void)
{
static bool octave_kpathsea_initialized = false;
if (! octave_kpathsea_initialized)
{
std::string val = octave_env::getenv ("KPATHSEA_DEBUG");
if (! val.empty ())
kpathsea_debug |= atoi (val.c_str ());
octave_kpathsea_initialized = true;
}
p = kpse_path_expand (p_default.empty ()
? p_orig : kpse_expand_default (p_orig, p_default));
int count = 0;
for (kpse_path_iterator pi (p); pi != std::string::npos; pi++)
count++;
pv.resize (count);
kpse_path_iterator pi (p);
for (int i = 0; i < count; i++)
pv[i] = *pi++;
initialized = true;
}
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