mapnik/include/mapnik/rule_cache.hpp
2016-12-20 17:57:22 +01:00

99 lines
2.5 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2016 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
*
*****************************************************************************/
#ifndef MAPNIK_RULE_CACHE_HPP
#define MAPNIK_RULE_CACHE_HPP
// mapnik
#include <mapnik/rule.hpp>
#include <mapnik/util/noncopyable.hpp>
// stl
#include <vector>
#include <type_traits>
namespace mapnik
{
class rule_cache : private util::noncopyable
{
public:
using rule_ptrs = std::vector<rule const*>;
rule_cache()
: if_rules_(),
else_rules_(),
also_rules_() {}
rule_cache(rule_cache && rhs) // move ctor
: if_rules_(std::move(rhs.if_rules_)),
else_rules_(std::move(rhs.else_rules_)),
also_rules_(std::move(rhs.also_rules_))
{}
rule_cache& operator=(rule_cache && rhs) // move assign
{
std::swap(if_rules_, rhs.if_rules_);
std::swap(else_rules_,rhs.else_rules_);
std::swap(also_rules_, rhs.also_rules_);
return *this;
}
void add_rule(rule const& r)
{
if (r.has_else_filter())
{
else_rules_.push_back(&r);
}
else if (r.has_also_filter())
{
also_rules_.push_back(&r);
}
else
{
if_rules_.push_back(&r);
}
}
rule_ptrs const& get_if_rules() const
{
return if_rules_;
}
rule_ptrs const& get_else_rules() const
{
return else_rules_;
}
rule_ptrs const& get_also_rules() const
{
return also_rules_;
}
private:
rule_ptrs if_rules_;
rule_ptrs else_rules_;
rule_ptrs also_rules_;
};
}
#endif // MAPNIK_RULE_CACHE_HPP