CSVLexer.hpp

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#ifndef PACEMAKER_IO_CSVLEXER_HPP_
#define PACEMAKER_IO_CSVLEXER_HPP_
 
#include <istream>
#include <string>
#include <utility>
#include <vector>
 
#ifndef yyFlexLexerOnce
#include "FlexLexer.h"
#endif
 
namespace pacemaker::io
{
  class CSVLexer : public yyFlexLexer
  {
  public:
    CSVLexer(std::istream *in) : yyFlexLexer(in) {}
 
    virtual ~CSVLexer() = default;
 
    using FlexLexer::yylex;
 
    auto yylex(std::string *const yyval) -> int;
 
    auto newline() -> void { this->m_content.emplace_back(std::vector<std::string>{}); }
 
    auto append(const std::string &field) -> void { this->m_content.back().emplace_back(field); }
 
    auto data() const & -> const std::vector<std::vector<std::string>> & { return this->m_content; }
 
    auto data() && -> std::vector<std::vector<std::string>> { return std::move(this->m_content); }
 
    auto reset() -> void { this->m_content.clear(); }
 
  private:
    std::vector<std::vector<std::string>> m_content;
  };
} // namespace pacemaker::io
 
#endif // PACEMAKER_IO_CSVLEXER_HPP_