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72 lines
1.8 KiB
72 lines
1.8 KiB
#pragma once
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#include "cell.h"
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#include <vector>
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#include <boost/tokenizer.hpp>
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#include <boost/fusion/adapted/struct.hpp>
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#include <boost/spirit/include/qi.hpp>
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#include <boost/spirit/include/phoenix.hpp>
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#include <boost/spirit/include/phoenix_operator.hpp>
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#include <boost/variant/recursive_wrapper.hpp>
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#include <boost/spirit/include/support_line_pos_iterator.hpp>
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namespace qi = boost::spirit::qi;
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namespace phoenix = boost::phoenix;
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typedef std::vector<std::string> expressions;
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struct Configuration
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{
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expressions expressions_;
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std::string derivation_;
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Configuration() = default;
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Configuration(expressions expressions, std::string derivation) : expressions_(expressions), derivation_(derivation) {}
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~Configuration() = default;
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Configuration(const Configuration&) = default;
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friend std::ostream& operator << (std::ostream& os, const Configuration& config) {
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os << "Configuration" << std::endl;
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for (auto& expression : config.expressions_) {
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os << "Expression=" << expression << std::endl;
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}
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return os << "Derviation=" << config.derivation_;
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}
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};
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BOOST_FUSION_ADAPT_STRUCT(
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Configuration,
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(expressions, expressions_)
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(std::string, derivation_)
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)
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template <typename It>
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struct ConfigParser : qi::grammar<It, std::vector<Configuration>>
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{
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ConfigParser(It first) : ConfigParser::base_type(config_)
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{
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using namespace qi;
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expression_ = +char_("a-zA-Z_0-9");
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expressions_ = (expression_ % ',');
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row_ = (expressions_ > ';' > expression_);
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config_ = (row_ % "\n");
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BOOST_SPIRIT_DEBUG_NODE(expression_);
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BOOST_SPIRIT_DEBUG_NODE(expressions_);
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BOOST_SPIRIT_DEBUG_NODE(config_);
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}
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private:
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qi::rule<It, expressions()> expressions_;
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qi::rule<It, std::string()> expression_;
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qi::rule<It, Configuration()> row_;
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qi::rule<It, std::vector<Configuration>> config_;
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};
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