/usr/include/mapnik/rule.hpp is in libmapnik2-dev 2.0.0+ds1-3build1.
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) 2006 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 RULE_HPP
#define RULE_HPP
// mapnik
#include <mapnik/line_symbolizer.hpp>
#include <mapnik/line_pattern_symbolizer.hpp>
#include <mapnik/polygon_symbolizer.hpp>
#include <mapnik/polygon_pattern_symbolizer.hpp>
#include <mapnik/point_symbolizer.hpp>
#include <mapnik/raster_symbolizer.hpp>
#include <mapnik/shield_symbolizer.hpp>
#include <mapnik/text_symbolizer.hpp>
#include <mapnik/markers_symbolizer.hpp>
#include <mapnik/glyph_symbolizer.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/filter_factory.hpp>
// boost
#include <boost/shared_ptr.hpp>
#include <boost/make_shared.hpp>
#include <boost/variant.hpp>
// stl
#include <string>
#include <vector>
namespace mapnik
{
inline bool operator==(point_symbolizer const& lhs,
point_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(line_symbolizer const& lhs,
line_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(line_pattern_symbolizer const& lhs,
line_pattern_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(polygon_symbolizer const& lhs,
polygon_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(polygon_pattern_symbolizer const& lhs,
polygon_pattern_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(raster_symbolizer const& lhs,
raster_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(text_symbolizer const& lhs,
text_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(shield_symbolizer const& lhs,
shield_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(building_symbolizer const& lhs,
building_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(markers_symbolizer const& lhs,
markers_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
inline bool operator==(glyph_symbolizer const& lhs,
glyph_symbolizer const& rhs)
{
return (&lhs == &rhs);
}
typedef boost::variant<point_symbolizer,
line_symbolizer,
line_pattern_symbolizer,
polygon_symbolizer,
polygon_pattern_symbolizer,
raster_symbolizer,
shield_symbolizer,
text_symbolizer,
building_symbolizer,
markers_symbolizer,
glyph_symbolizer> symbolizer;
class rule
{
public:
typedef std::vector<symbolizer> symbolizers;
private:
std::string name_;
std::string title_;
std::string abstract_;
double min_scale_;
double max_scale_;
symbolizers syms_;
expression_ptr filter_;
bool else_filter_;
bool also_filter_;
public:
rule()
: name_(),
title_(),
abstract_(),
min_scale_(0),
max_scale_(std::numeric_limits<double>::infinity()),
syms_(),
filter_(boost::make_shared<mapnik::expr_node>(true)),
else_filter_(false),
also_filter_(false) {}
rule(const std::string& name,
const std::string& title="",
double min_scale_denominator=0,
double max_scale_denominator=std::numeric_limits<double>::infinity())
: name_(name),
title_(title),
min_scale_(min_scale_denominator),
max_scale_(max_scale_denominator),
syms_(),
filter_(boost::make_shared<mapnik::expr_node>(true)),
else_filter_(false),
also_filter_(false) {}
rule(const rule& rhs)
: name_(rhs.name_),
title_(rhs.title_),
abstract_(rhs.abstract_),
min_scale_(rhs.min_scale_),
max_scale_(rhs.max_scale_),
syms_(rhs.syms_),
filter_(rhs.filter_),
else_filter_(rhs.else_filter_),
also_filter_(rhs.also_filter_) {}
rule& operator=(rule const& rhs)
{
rule tmp(rhs);
swap(tmp);
return *this;
}
bool operator==(rule const& other)
{
return (this == &other);
}
void set_max_scale(double scale)
{
max_scale_=scale;
}
double get_max_scale() const
{
return max_scale_;
}
void set_min_scale(double scale)
{
min_scale_=scale;
}
double get_min_scale() const
{
return min_scale_;
}
void set_name(std::string const& name)
{
name_=name;
}
std::string const& get_name() const
{
return name_;
}
std::string const& get_title() const
{
return title_;
}
void set_title(std::string const& title)
{
title_=title;
}
void set_abstract(std::string const& abstract)
{
abstract_=abstract;
}
std::string const& get_abstract() const
{
return abstract_;
}
void append(const symbolizer& sym)
{
syms_.push_back(sym);
}
void remove_at(size_t index)
{
if (index < syms_.size())
{
syms_.erase(syms_.begin()+index);
}
}
const symbolizers& get_symbolizers() const
{
return syms_;
}
symbolizers::const_iterator begin() const
{
return syms_.begin();
}
symbolizers::const_iterator end() const
{
return syms_.end();
}
symbolizers::iterator begin()
{
return syms_.begin();
}
symbolizers::iterator end()
{
return syms_.end();
}
void set_filter(const expression_ptr& filter)
{
filter_=filter;
}
expression_ptr const& get_filter() const
{
return filter_;
}
void set_else(bool else_filter)
{
else_filter_=else_filter;
}
bool has_else_filter() const
{
return else_filter_;
}
void set_also(bool also_filter)
{
also_filter_=also_filter;
}
bool has_also_filter() const
{
return also_filter_;
}
bool active(double scale) const
{
return ( scale >= min_scale_ - 1e-6 && scale < max_scale_ + 1e-6);
}
private:
void swap(rule& rhs) throw()
{
name_=rhs.name_;
title_=rhs.title_;
abstract_=rhs.abstract_;
min_scale_=rhs.min_scale_;
max_scale_=rhs.max_scale_;
syms_=rhs.syms_;
filter_=rhs.filter_;
else_filter_=rhs.else_filter_;
also_filter_=rhs.also_filter_;
}
};
}
#endif //RULE_HPP
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