// Copyright (C) 1999,2000 Bruce Guenter <bruceg@em.ca>

//

// 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 2 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, write to the Free Software

// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#include <config.h>

#include "strlist.h"

static const char* compare(const char* ptr, const char* end,

			   const mystring& var, char suffix)

{

  unsigned varlen = var.length();

  unsigned ptrlen = (unsigned)(end-ptr);

  if(ptrlen > varlen &&

     !memcmp(var.c_str(), ptr, varlen) &&

     (suffix && ptr[varlen] == suffix))

    return ptr + varlen + (suffix ? 1 : 0);

  return 0;

}

const char* strlist::find(const mystring& str, const mystring& var,

			  char suffix)

{

  const char* ptr = str.c_str();

  const char* end = ptr + str.length();

  const char* tmp;

  while(ptr < end) {

    if((tmp = compare(ptr, end, var, suffix)) != 0)

      return tmp;

    ptr += strlen(ptr) + 1;

  }

  return 0;

}

mystring strlist::find(const mystring& var, char suffix) const

{

  return find(datastr, var, suffix);

}

void strlist::append(const mystring& str)

{

  datastr = datastr + mystring::NUL + str;

}