138 lines
5.2 KiB
C++
138 lines
5.2 KiB
C++
#ifndef MATADOR_OBJECT_RESULT_BINDER_HPP
|
|
#define MATADOR_OBJECT_RESULT_BINDER_HPP
|
|
|
|
#include "matador/utils/attribute_reader.hpp"
|
|
#include "matador/utils/default_type_traits.hpp"
|
|
|
|
#include "matador/utils/access.hpp"
|
|
#include "matador/utils/field_attributes.hpp"
|
|
#include "matador/utils/foreign_attributes.hpp"
|
|
|
|
namespace matador::sql {
|
|
|
|
namespace detail {
|
|
|
|
class fk_result_binder
|
|
{
|
|
public:
|
|
template<class Type>
|
|
void bind(Type &obj, const char *id, size_t column_index, utils::attribute_reader &binder)
|
|
{
|
|
binder_ = &binder;
|
|
index_ = column_index;
|
|
id_ = id;
|
|
access::process(*this, obj);
|
|
id_ = nullptr;
|
|
binder_ = nullptr;
|
|
}
|
|
|
|
template<typename ValueType>
|
|
void on_primary_key(const char *id, ValueType &value, std::enable_if_t<std::is_integral_v<ValueType> && !std::is_same_v<bool, ValueType>>* = nullptr);
|
|
void on_primary_key(const char *id, std::string &value, size_t size);
|
|
void on_revision(const char * /*id*/, unsigned long long &/*rev*/) {}
|
|
|
|
template < class Type >
|
|
void on_attribute(const char * /*id*/, Type &/*x*/, const utils::field_attributes &/*attr*/ = utils::null_attributes) {}
|
|
template < class Pointer >
|
|
void on_belongs_to(const char * /*id*/, Pointer &/*x*/, const utils::foreign_attributes &/*attr*/ = utils::default_foreign_attributes) {}
|
|
template < class Pointer >
|
|
void on_has_one(const char * /*id*/, Pointer &/*x*/, const utils::foreign_attributes &/*attr*/ = utils::default_foreign_attributes) {}
|
|
|
|
template<class ContainerType>
|
|
void on_has_many(const char * /*id*/,
|
|
ContainerType &/*c*/,
|
|
const char * /*join_column*/,
|
|
const utils::foreign_attributes &/*attr*/ = utils::default_foreign_attributes) {}
|
|
template<class ContainerType>
|
|
void on_has_many_to_many(const char * /*id*/,
|
|
ContainerType &/*c*/,
|
|
const char * /*join_column*/,
|
|
const char * /*inverse_join_column*/,
|
|
const utils::foreign_attributes &/*attr*/) {}
|
|
template<class ContainerType>
|
|
void on_has_many_to_many(const char * /*id*/,
|
|
ContainerType &/*c*/,
|
|
const utils::foreign_attributes &/*attr*/) {}
|
|
|
|
private:
|
|
utils::attribute_reader *binder_{};
|
|
size_t index_{0};
|
|
const char *id_{};
|
|
};
|
|
|
|
}
|
|
|
|
class object_result_binder {
|
|
public:
|
|
template<class Type>
|
|
void bind(Type &obj, utils::attribute_reader &binder) {
|
|
binder_ = &binder;
|
|
access::process(*this, obj);
|
|
binder_ = nullptr;
|
|
}
|
|
|
|
void reset();
|
|
|
|
template < class Type >
|
|
void on_primary_key(const char *id, Type &val, std::enable_if_t<std::is_integral_v<Type> && !std::is_same_v<bool, Type>>* = nullptr)
|
|
{
|
|
utils::data_type_traits<Type>::read_value(*binder_, id, index_++, val);
|
|
}
|
|
void on_primary_key(const char *id, std::string &, size_t size);
|
|
void on_revision(const char *id, uint64_t &/*rev*/);
|
|
|
|
template<typename Type>
|
|
void on_attribute(const char *id, Type &val, const utils::field_attributes &/*attr*/ = utils::null_attributes)
|
|
{
|
|
utils::data_type_traits<Type>::read_value(*binder_, id, index_++, val);
|
|
}
|
|
void on_attribute(const char *id, char *value, const utils::field_attributes &attr = utils::null_attributes);
|
|
void on_attribute(const char *id, std::string &value, const utils::field_attributes &attr = utils::null_attributes);
|
|
void on_attribute(const char *id, utils::value &val, const utils::field_attributes &attr = utils::null_attributes);
|
|
|
|
template<class Type, template < class ... > class Pointer>
|
|
void on_belongs_to(const char *id, Pointer<Type> &x, const utils::foreign_attributes &/*attr*/ = utils::default_foreign_attributes)
|
|
{
|
|
fk_result_binder_.bind(*x, id, index_++, *binder_);
|
|
}
|
|
template<class Type, template < class ... > class Pointer>
|
|
void on_has_one(const char *id, Pointer<Type> &x, const utils::foreign_attributes &/*attr*/ = utils::default_foreign_attributes)
|
|
{
|
|
fk_result_binder_.bind(*x, id, index_++, *binder_);
|
|
}
|
|
template<class ContainerType>
|
|
void on_has_many(const char * /*id*/,
|
|
ContainerType &/*c*/,
|
|
const char * /*join_column*/,
|
|
const utils::foreign_attributes &/*attr*/ = utils::default_foreign_attributes) {}
|
|
template<class ContainerType>
|
|
void on_has_many_to_many(const char * /*id*/,
|
|
ContainerType &/*c*/,
|
|
const char * /*join_column*/,
|
|
const char * /*inverse_join_column*/,
|
|
const utils::foreign_attributes &/*attr*/) {}
|
|
template<class ContainerType>
|
|
void on_has_many_to_many(const char * /*id*/,
|
|
ContainerType &/*c*/,
|
|
const utils::foreign_attributes &/*attr*/) {}
|
|
|
|
private:
|
|
utils::attribute_reader *binder_{};
|
|
size_t index_{0};
|
|
detail::fk_result_binder fk_result_binder_;
|
|
};
|
|
|
|
namespace detail {
|
|
|
|
template<typename ValueType>
|
|
void fk_result_binder::on_primary_key(const char * /*id*/, ValueType &value, std::enable_if_t<std::is_integral_v<ValueType> && !std::is_same_v<bool, ValueType>> *)
|
|
{
|
|
utils::data_type_traits<ValueType>::read_value(*binder_, id_, index_++, value);
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif //MATADOR_OBJECT_RESULT_BINDER_HPP
|