66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2017 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include <mapnik/feature_kv_iterator.hpp>
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#include <mapnik/feature.hpp>
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#pragma GCC diagnostic push
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#include <mapnik/warning_ignore.hpp>
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#include <boost/optional.hpp>
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#pragma GCC diagnostic pop
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namespace mapnik {
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feature_kv_iterator::feature_kv_iterator (feature_impl const& f, bool begin)
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: f_(f),
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itr_( begin ? f_.ctx_->begin() : f_.ctx_->end()) {}
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void feature_kv_iterator::increment()
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{
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++itr_;
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}
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void feature_kv_iterator::decrement()
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{
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// dummy //--itr_;
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}
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void feature_kv_iterator::advance(boost::iterator_difference<feature_kv_iterator>::type )
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{
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// dummy
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}
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bool feature_kv_iterator::equal( feature_kv_iterator const& other) const
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{
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return ( itr_ == other.itr_ );
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}
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feature_kv_iterator::value_type const& feature_kv_iterator::dereference() const
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{
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std::get<0>(kv_) = itr_->first;
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std::get<1>(kv_) = f_.get(itr_->second);
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return kv_;
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}
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} // endof mapnik namespace
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