unordered_map_vocabulary.hpp

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#if !defined(TETENGO_LATTICE_UNORDEREDMAPVOCABULARY_HPP)
#define TETENGO_LATTICE_UNORDEREDMAPVOCABULARY_HPP
 
#include <cstddef>
#include <functional>
#include <memory>
#include <string>
#include <utility>
#include <vector>
 
#include <tetengo/lattice/vocabulary.hpp>
 
 
namespace tetengo::lattice
{
    class connection; // IWYU pragma: keep
    class entry;
    class entry_view;
    class input; // IWYU pragma: keep
    class node; // IWYU pragma: keep
 

    class unordered_map_vocabulary : public vocabulary
    {
    public:
        // constructors and destructor

        unordered_map_vocabulary(
            std::vector<std::pair<std::string, std::vector<entry>>>   entries,
            std::vector<std::pair<std::pair<entry, entry>, int>>      connections,
            std::function<std::size_t(const entry_view&)>             entry_hash,
            std::function<bool(const entry_view&, const entry_view&)> entry_equal_to);

        virtual ~unordered_map_vocabulary();
 
 
    private:
        // types
 
        class impl;
 
 
        // variables
 
        std::unique_ptr<impl> m_p_impl;
 
 
        // virtual functions
 
        virtual std::vector<entry_view> find_entries_impl(const input& key) const override;
 
        virtual connection find_connection_impl(const node& from, const entry_view& to) const override;
    };
 
 
}
 
 
#endif