/*

 * lftp - file transfer program

 *

 * Copyright (c) 1996-2016 by Alexander V. Lukyanov (lav@yars.free.net)

 *

 * This program 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.

 *

 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef STRINGSET_H

#define STRINGSET_H

#include "xarray.h"

class StringSet

{

   xarray_m<char> set;

   const StringSet &operator=(const StringSet &); // disable assignment

public:

   StringSet();

   StringSet(const char *const *s,int n);

   StringSet(const StringSet &o);

   StringSet(const char *s);

   void Empty() { set.truncate(); }

   void Assign(const char *const *s,int n);

   void Assign(const char *s) { Assign(&s,1); }

   bool IsEqual(const char *const *s,int n) const;

   bool IsEqual(const StringSet &o) const { return IsEqual(o.Set(),o.Count()); }

   void Append(const char *);

   void AppendFormat(const char *,...) PRINTF_LIKE(2,3);

   void InsertBefore(int,const char *);

   void Replace(int,const char *);

   char *Pop(int i=0);

   void Remove(int i) { xfree(Pop(i)); }

   const char *const *Set() const { return set.get(); }

   char **SetNonConst() { return set.get_non_const(); }

   int Count() const { return set.count(); }

   const char *String(int i) const { return i>=0 && i

   const char *LastString() const { return String(Count()-1); }

   const char *operator[](int i) const { return String(i); }

   void MoveHere(StringSet &o);

   char **borrow() { return set.borrow(); }

   void qsort(xarray_m<char>::cmp_t cmp) { set.qsort(cmp); }

   static int default_cmp(const char **a,const char **b) { return strcmp(*a,*b); }

   void qsort() { qsort(default_cmp); }

};

#endif // STRINGSET_H