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// Copyright (C) 2007, 2008, 2009, 2014, 2020 Ben Asselstine
//
// 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 Library 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., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.
#include <sigc++/functors/mem_fun.h>
#include "signpostlist.h"
#include "xmlhelper.h"
Glib::ustring Signpostlist::d_tag = "signpostlist";
//#define debug(x) {std::cerr<<__FILE__<<": "<<__LINE__<<": "<<x<<std::endl<<std::flush;}
#define debug(x)
Signpostlist* Signpostlist::s_instance=0;
Signpostlist* Signpostlist::getInstance()
{
if (s_instance == 0)
s_instance = new Signpostlist();
return s_instance;
}
Signpostlist* Signpostlist::getInstance(XML_Helper* helper)
{
if (s_instance)
deleteInstance();
s_instance = new Signpostlist(helper);
return s_instance;
}
void Signpostlist::deleteInstance()
{
if (s_instance)
delete s_instance;
s_instance = 0;
}
Signpostlist::Signpostlist()
{
}
Signpostlist::Signpostlist(XML_Helper* helper)
{
helper->registerTag(Signpost::d_tag, sigc::mem_fun(this, &Signpostlist::load));
}
bool Signpostlist::save(XML_Helper* helper) const
{
bool retval = true;
retval &= helper->openTag(Signpostlist::d_tag);
for (const_iterator it = begin(); it != end(); it++)
retval &= (*it)->save(helper);
retval &= helper->closeTag();
return retval;
}
bool Signpostlist::load(Glib::ustring tag, XML_Helper* helper)
{
if (tag != Signpost::d_tag)
//what has happened?
return false;
add(new Signpost(helper));
return true;
}
guint32 Signpostlist::countUnamedSignposts () const
{
guint32 count = 0;
for (const_iterator it = begin (); it != end (); it++)
if ((*it)->getName () == DEFAULT_SIGNPOST)
count++;
return count;
}
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