/*

 * lftp - file transfer program

 *

 * Copyright (c) 1996-2012 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/>.

 */

#include <config.h>

#include "StringSet.h"

#include "misc.h"

#define set_size set.count()

StringSet::StringSet() {}

StringSet::StringSet(const char *const *s,int n) { Assign(s,n); }

StringSet::StringSet(const StringSet &o) { Assign(o.set.get(),o.set.count()); }

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

bool StringSet::IsEqual(const char *const *set1,int n1) const

{

   if(set_size!=n1)

      return false;

   int i=0;

   while(i

   {

      if(strcmp(set[i],set1[i]))

	 return false;

      i++;

   }

   return true;

}

void StringSet::Assign(const char *const *set1,int n1)

{

   Empty();

   while(n1-->0)

      set.append(xstrdup(*set1++));

}

void StringSet::Append(const char *s)

{

   if(!s)

      return;

   set.append(xstrdup(s));

}

void StringSet::Replace(int i,const char *s)

{

   if(i==set_size)

      Append(s);

   else if(i>=0 && i

   {

      xstrset(set[i],s);

      if(!s && i==set_size-1)

	 set.set_length(set.count()-1);

   }

}

void StringSet::InsertBefore(int i,const char *s)

{

   if(!s)

      return;

   set.insert(xstrdup(s),i);

}

void StringSet::AppendFormat(const char *f,...)

{

   va_list v;

   va_start(v,f);

   set.append(xstring::vformat(f,v).borrow());

   va_end(v);

}

void StringSet::MoveHere(StringSet &o)

{

   set.set(o.set);

   o.set.borrow();

}

char *StringSet::Pop(int i)

{

   if(i<0 || i>=set_size)

      return 0;

   char *s=set[i];

   set[i]=0;

   set.remove(i);

   return s;

}