/usr/include/mapnik/rule.hpp is in libmapnik-dev 3.0.9+ds-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 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_HPP
#define MAPNIK_RULE_HPP
// mapnik
#include <mapnik/config.hpp>
#include <mapnik/symbolizer_base.hpp>
#include <mapnik/expression.hpp>
// stl
#include <string>
#include <vector>
#include <limits>
namespace mapnik
{
class MAPNIK_DECL rule
{
public:
using symbolizers = std::vector<symbolizer>;
private:
std::string name_;
double min_scale_;
double max_scale_;
symbolizers syms_;
expression_ptr filter_;
bool else_filter_;
bool also_filter_;
public:
rule();
rule(std::string const& name,
double min_scale_denominator = 0,
double max_scale_denominator = std::numeric_limits<double>::infinity());
rule(const rule& rhs);
rule(rule && rhs);
rule& operator=(rule rhs);
bool operator==(rule const& rhs) const;
void set_max_scale(double scale);
double get_max_scale() const;
void set_min_scale(double scale);
double get_min_scale() const;
void set_name(std::string const& name);
std::string const& get_name() const;
void append(symbolizer && sym);
void remove_at(size_t index);
symbolizers const& get_symbolizers() const;
symbolizers::const_iterator begin() const;
symbolizers::const_iterator end() const;
symbolizers::iterator begin();
symbolizers::iterator end();
void set_filter(expression_ptr const& filter);
expression_ptr const& get_filter() const;
void set_else(bool else_filter);
bool has_else_filter() const;
void set_also(bool also_filter);
bool has_also_filter() const;
inline bool active(double scale) const
{
return ( scale >= min_scale_ - 1e-6 && scale < max_scale_ + 1e-6 && !syms_.empty());
}
inline void reserve(std::size_t size)
{
syms_.reserve(size);
}
};
}
#endif // MAPNIK_RULE_HPP
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