dac2f93383
* 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 '.'
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
#ifndef TABLE_PARAMETERS_GRAMMAR_HPP
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#define TABLE_PARAMETERS_GRAMMAR_HPP
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#include "engine/api/table_parameters.hpp"
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#include "server/api/base_parameters_grammar.hpp"
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#include <boost/spirit/include/phoenix.hpp>
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#include <boost/spirit/include/qi.hpp>
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namespace osrm
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{
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namespace server
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{
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namespace api
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{
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namespace
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{
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namespace ph = boost::phoenix;
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namespace qi = boost::spirit::qi;
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}
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template <typename Iterator = std::string::iterator,
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typename Signature = void(engine::api::TableParameters &)>
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struct TableParametersGrammar final : public BaseParametersGrammar<Iterator, Signature>
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{
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using BaseGrammar = BaseParametersGrammar<Iterator, Signature>;
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TableParametersGrammar() : BaseGrammar(root_rule)
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{
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#ifdef BOOST_HAS_LONG_LONG
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if (std::is_same<std::size_t, unsigned long long>::value)
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size_t_ = qi::ulong_long;
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else
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size_t_ = qi::ulong_;
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#else
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size_t_ = qi::ulong_;
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#endif
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destinations_rule
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= qi::lit("destinations=")
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> (qi::lit("all") | (size_t_ % ';')[ph::bind(&engine::api::TableParameters::destinations, qi::_r1) = qi::_1])
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;
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sources_rule
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= qi::lit("sources=")
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> (qi::lit("all") | (size_t_ % ';')[ph::bind(&engine::api::TableParameters::sources, qi::_r1) = qi::_1])
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;
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table_rule = destinations_rule(qi::_r1) | sources_rule(qi::_r1);
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root_rule
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= BaseGrammar::query_rule(qi::_r1) > -qi::lit(".json")
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> -('?' > (table_rule(qi::_r1) | BaseGrammar::base_rule(qi::_r1)) % '&')
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;
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}
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private:
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qi::rule<Iterator, Signature> root_rule;
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qi::rule<Iterator, Signature> table_rule;
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qi::rule<Iterator, Signature> sources_rule;
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qi::rule<Iterator, Signature> destinations_rule;
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qi::rule<Iterator, std::size_t()> size_t_;
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};
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}
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}
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}
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#endif
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