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/*
* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form 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
*/
#if !defined(WINNT)
#ident "$Id: Attrib.cc,v 1.1 2000/12/04 17:37:03 steve Exp $"
#endif

# include "Attrib.h"
# include <assert.h>

Attrib::Attrib()
{
      nlist_ = 0;
      list_ = 0;
}

Attrib::~Attrib()
{
      delete[] list_;
}

void Attrib::set_attributes(const map<string,string>&attr)
{
      assert(list_ == 0);

      nlist_ = attr.size();
      list_ = new cell_[nlist_];

      map<string,string>::const_iterator idx;
      unsigned jdx;
      for (idx = attr.begin(), jdx = 0 ; idx != attr.end() ; idx ++, jdx++) {
struct cell_*tmp = list_ + jdx;
tmp->key = (*idx).first;
tmp->val = (*idx).second;
      }
}

string Attrib::attribute(const string&key) const
{
      for (unsigned idx = 0 ; idx < nlist_ ; idx += 1) {

if (key == list_[idx].key)
return list_[idx].val;
      }

      return "";
}

void Attrib::attribute(const string&key, const string&value)
{
      unsigned idx;

      for (idx = 0 ; idx < nlist_ ; idx += 1) {
if (key == list_[idx].key) {
list_[idx].val = value;
return;
}
      }

      struct cell_*tmp = new struct cell_[nlist_+1];
      for (idx = 0 ; idx < nlist_ ; idx += 1)
tmp[idx] = list_[idx];

      tmp[nlist_].key = key;
      tmp[nlist_].val = value;

      nlist_ += 1;
      delete[]list_;
      list_ = tmp;
}

bool Attrib::has_compat_attributes(const Attrib&that) const
{
      unsigned idx;

      for (idx = 0 ; idx < that.nlist_ ; idx += 1) {

string tmp = attribute(that.list_[idx].key);
if (tmp != that.list_[idx].val)
return false;
      }

      return true;
}

unsigned Attrib::size() const
{
      return nlist_;
}

string Attrib::key(unsigned idx) const
{
      assert(idx < nlist_);
      return list_[idx].key;
}

string Attrib::value(unsigned idx) const
{
      assert(idx < nlist_);
      return list_[idx].val;
}


/*
* $Log: Attrib.cc,v $
* Revision 1.1 2000/12/04 17:37:03 steve
* Add Attrib class for holding NetObj attributes.
*
*/
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