/usr/include/mapnik/expression_grammar.hpp is in libmapnik-dev 2.2.0+ds1-6build2.
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) 2011 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_EXPRESSIONS_GRAMMAR_HPP
#define MAPNIK_EXPRESSIONS_GRAMMAR_HPP
// mapnik
#include <mapnik/config.hpp>
#include <mapnik/value_types.hpp>
#include <mapnik/unicode.hpp>
#include <mapnik/expression_node.hpp>
// spirit2
#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/support_locals.hpp>
// phoenix
#include <boost/spirit/include/phoenix_function.hpp>
namespace mapnik
{
using namespace boost;
namespace qi = boost::spirit::qi;
namespace standard_wide = boost::spirit::standard_wide;
using standard_wide::space_type;
struct unicode_impl
{
template <typename T>
struct result
{
typedef UnicodeString type;
};
explicit unicode_impl(mapnik::transcoder const& tr)
: tr_(tr) {}
UnicodeString operator()(std::string const& str) const
{
return tr_.transcode(str.c_str());
}
mapnik::transcoder const& tr_;
};
struct regex_match_impl
{
template <typename T0, typename T1>
struct result
{
typedef expr_node type;
};
explicit regex_match_impl(mapnik::transcoder const& tr)
: tr_(tr) {}
template <typename T0,typename T1>
expr_node operator() (T0 & node, T1 const& pattern) const;
mapnik::transcoder const& tr_;
};
struct regex_replace_impl
{
template <typename T0, typename T1, typename T2>
struct result
{
typedef expr_node type;
};
explicit regex_replace_impl(mapnik::transcoder const& tr)
: tr_(tr) {}
template <typename T0,typename T1,typename T2>
expr_node operator() (T0 & node, T1 const& pattern, T2 const& format) const;
mapnik::transcoder const& tr_;
};
struct geometry_types : qi::symbols<char,mapnik::value_integer>
{
geometry_types()
{
add
("point",1)
("linestring", 2)
("polygon",3)
("collection",4)
;
}
};
template <typename T>
struct integer_parser
{
typedef qi::int_parser<T,10,1,-1> type;
};
template <typename Iterator>
struct expression_grammar : qi::grammar<Iterator, expr_node(), space_type>
{
typedef qi::rule<Iterator, expr_node(), space_type> rule_type;
explicit expression_grammar(mapnik::transcoder const& tr);
qi::real_parser<double, qi::strict_real_policies<double> > strict_double;
typename integer_parser<mapnik::value_integer>::type int__;
boost::phoenix::function<unicode_impl> unicode_;
boost::phoenix::function<regex_match_impl> regex_match_;
boost::phoenix::function<regex_replace_impl> regex_replace_;
rule_type expr;
rule_type equality_expr;
rule_type cond_expr;
rule_type relational_expr;
rule_type logical_expr;
rule_type additive_expr;
rule_type multiplicative_expr;
rule_type unary_expr;
rule_type not_expr;
rule_type primary_expr;
qi::rule<Iterator, std::string() > regex_match_expr;
qi::rule<Iterator, expr_node(expr_node), qi::locals<std::string,std::string>, space_type> regex_replace_expr;
qi::rule<Iterator, std::string() , space_type> attr;
qi::rule<Iterator, std::string(), qi::locals<char> > ustring;
qi::symbols<char const, char const> unesc_char;
qi::rule<Iterator, char() > quote_char;
geometry_types geom_type;
};
} // namespace
#endif // MAPNIK_EXPRESSIONS_GRAMMAR_HPP
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