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/*
Copyright (C) 1996 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 2, 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, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if !defined (octave_pathsearch_h)
#define octave_pathsearch_h 1
#include <string>
#include "str-vec.h"
class
dir_path
{
public:
dir_path (const string& s = string (), const string& d = string ())
: p_orig (s), p_default (d), initialized (false)
{
if (! p_orig.empty ())
init ();
}
dir_path (const dir_path& dp)
: p_orig (dp.p_orig), p_default (dp.p_default),
initialized (dp.initialized), p (dp.p), pv (dp.pv)
{ }
dir_path& operator = (const dir_path& dp)
{
p_orig = dp.p_orig;
p_default = dp.p_default;
initialized = dp.initialized;
p = dp.p;
pv = dp.pv;
return *this;
}
~dir_path (void) { }
void set (const string& s)
{
initialized = false;
p_orig = s;
init ();
}
string_vector elements (void);
string_vector all_directories (void);
string find_first (const string&);
string find (const string& nm) { return find_first (nm); }
string_vector find_all (const string&);
static void init_program_name (const string&);
void rehash (void)
{
initialized = false;
init ();
}
private:
// The colon separated list that we were given.
string p_orig;
// The default path. If specified, replaces leading, trailing, or
// doubled colons in p_orig.
string p_default;
// TRUE means we've unpacked p.
bool initialized;
// A version of the colon separate list on which we have performed
// tilde, variable, and possibly default path expansion.
string p;
// The elements of the list.
string_vector pv;
static string program_name;
void init (void);
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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