osrm-backend/include/server/api/tile_parameter_grammar.hpp
Michael Krasnyk dac2f93383 Refactoring of parameter garammars
* signature changed from void() to void(engine::api::Parameters&)
* performance increase due to use "static const GrammarT" and avoid
  construction and destruction of grammars during parsing
* removed code duplication in inherited grammars
* rule unlimited changed to qi::lit
* added rule size_t_
* parser accepts "&geometries=" and "&overview=" and fails at "foo"
  instead of "&geometries=foo" and &overview=foo
* added expectations checks for derived grammars
* changed rules qi::list(".") to character rules '.'
2016-04-23 21:15:21 +02:00

50 lines
1.1 KiB
C++

#ifndef SERVER_API_TILE_PARAMETERS_GRAMMAR_HPP
#define SERVER_API_TILE_PARAMETERS_GRAMMAR_HPP
#include "engine/api/tile_parameters.hpp"
#include "engine/hint.hpp"
#include "engine/polyline_compressor.hpp"
#include <boost/spirit/include/phoenix.hpp>
#include <boost/spirit/include/qi.hpp>
#include <string>
namespace osrm
{
namespace server
{
namespace api
{
namespace
{
namespace ph = boost::phoenix;
namespace qi = boost::spirit::qi;
}
template <typename Iterator = std::string::iterator,
typename Signature = void(engine::api::TileParameters &)>
struct TileParametersGrammar final : boost::spirit::qi::grammar<Iterator, Signature>
{
TileParametersGrammar() : TileParametersGrammar::base_type(root_rule)
{
root_rule
= qi::lit("tile(")
> qi::uint_[ph::bind(&engine::api::TileParameters::x, qi::_r1) = qi::_1] > ','
> qi::uint_[ph::bind(&engine::api::TileParameters::y, qi::_r1) = qi::_1] > ','
> qi::uint_[ph::bind(&engine::api::TileParameters::z, qi::_r1) = qi::_1]
> qi::lit(").mvt")
;
}
private:
qi::rule<Iterator, Signature> root_rule;
};
}
}
}
#endif