60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
#ifndef QUERY_COLUMN_NAME_GENERATOR_HPP
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#define QUERY_COLUMN_NAME_GENERATOR_HPP
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#include "matador/utils/access.hpp"
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#include "matador/utils/field_attributes.hpp"
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#include <string>
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#include <vector>
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namespace matador::utils {
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class identifiable;
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}
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namespace matador::sql {
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class column_name_generator
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{
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private:
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explicit column_name_generator(std::vector<std::string> &column_names);
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public:
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~column_name_generator() = default;
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template < class Type >
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static std::vector<std::string> generate()
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{
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std::vector<std::string> columns;
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column_name_generator gen(columns);
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Type obj;
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matador::utils::access::process(gen, obj);
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return std::move(columns);
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}
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template < class V >
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void on_primary_key(const char *id, V &, typename std::enable_if<std::is_integral<V>::value && !std::is_same<bool, V>::value>::type* = 0)
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{
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column_names_.emplace_back(id);
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}
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void on_primary_key(const char *id, std::string &, size_t);
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void on_revision(const char *id, unsigned long long &/*rev*/);
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template<typename Type>
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void on_attribute(const char *id, Type &, const utils::field_attributes &/*attr*/ = utils::null_attributes)
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{
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column_names_.emplace_back(id);
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}
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void on_belongs_to(const char *id, utils::identifiable &, utils::cascade_type);
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void on_has_one(const char *id, utils::identifiable &, utils::cascade_type);
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// void on_has_many(const char *, abstract_container &, const char *, const char *, cascade_type) {}
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// void on_has_many(const char *, abstract_container &, cascade_type) {}
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private:
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std::vector<std::string> &column_names_;
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};
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}
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#endif //QUERY_COLUMN_NAME_GENERATOR_HPP
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