62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2012 Artem Pavlenko
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#include <mapnik/feature_kv_iterator.hpp>
|
|
#include <mapnik/feature.hpp>
|
|
#include <boost/optional.hpp>
|
|
|
|
namespace mapnik {
|
|
|
|
|
|
feature_kv_iterator::feature_kv_iterator (feature_impl const& f, bool begin)
|
|
: f_(f),
|
|
itr_( begin ? f_.ctx_->begin() : f_.ctx_->end()) {}
|
|
|
|
|
|
void feature_kv_iterator::increment()
|
|
{
|
|
++itr_;
|
|
}
|
|
|
|
void feature_kv_iterator::decrement()
|
|
{
|
|
// dummy //--itr_;
|
|
}
|
|
|
|
void feature_kv_iterator::advance(boost::iterator_difference<feature_kv_iterator>::type )
|
|
{
|
|
// dummy
|
|
}
|
|
|
|
bool feature_kv_iterator::equal( feature_kv_iterator const& other) const
|
|
{
|
|
return ( itr_ == other.itr_ );
|
|
}
|
|
|
|
feature_kv_iterator::value_type const& feature_kv_iterator::dereference() const
|
|
{
|
|
boost::get<0>(kv_) = itr_->first;
|
|
boost::get<1>(kv_) = f_.get(itr_->second);
|
|
return kv_;
|
|
}
|
|
|
|
} // endof mapnik namespace
|