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Diffstat (limited to 'libodb/odb/container-traits.hxx')
| -rw-r--r-- | libodb/odb/container-traits.hxx | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/libodb/odb/container-traits.hxx b/libodb/odb/container-traits.hxx new file mode 100644 index 0000000..e2f44ce --- /dev/null +++ b/libodb/odb/container-traits.hxx @@ -0,0 +1,219 @@ +// file : odb/container-traits.hxx +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_CONTAINER_TRAITS_HXX +#define ODB_CONTAINER_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <odb/forward.hxx> +#include <odb/details/config.hxx> // ODB_CXX11 + +namespace odb +{ + // Keep this enum synchronized with the one in odb/odb/context.hxx. + // + enum container_kind + { + ck_ordered, + ck_set, + ck_multiset, + ck_map, + ck_multimap + }; + + // + // Container API provided by the generated code. + // + + // Ordered containers. + // + template <typename I, typename V> + struct ordered_functions + { + typedef I index_type; + typedef V value_type; + + // Return true if the order is preserved in the database. If the + // order is not preserved, then the index argument in the functions + // below is not used. + // + bool + ordered () const + { + return ordered_; + } + + void + insert (I index, const V& value) const + { + insert_ (index, value, data_); + } + + bool + select (I& next_index, V& next_value) const + { + return select_ (next_index, next_value, data_); + } + + void + delete_ () const + { + delete__ (data_); + } + + // Implementation details. + // + public: + ordered_functions (void* data): data_ (data) {} + + public: + void* data_; + bool ordered_; + + void (*insert_) (I, const V&, void*); + bool (*select_) (I&, V&, void*); + void (*delete__) (void*); + }; + + template <typename I, typename V> + struct smart_ordered_functions + { + typedef I index_type; + typedef V value_type; + + void + insert (I index, const V& value) const + { + insert_ (index, value, data_); + } + + bool + select (I& next_index, V& next_value) const + { + return select_ (next_index, next_value, data_); + } + + void + update (I index, const V& value) const + { + update_ (index, value, data_); + } + + // Delete all the elements starting with the specified index. To + // delete everything, pass 0. + // + void + delete_ (I start_index) const + { + delete__ (start_index, data_); + } + + // Implementation details. + // + public: + smart_ordered_functions (void* data) : data_ (data) {} + + public: + void* data_; + + void (*insert_) (I, const V&, void*); + bool (*select_) (I&, V&, void*); + void (*update_) (I, const V&, void*); + void (*delete__) (I, void*); + }; + + // Set/multiset containers. + // + template <typename V> + struct set_functions + { + typedef V value_type; + + void + insert (const V& value) const + { + insert_ (value, data_); + } + + bool + select (V& next_value) const + { + return select_ (next_value, data_); + } + + void + delete_ () const + { + delete__ (data_); + } + + // Implementation details. + // + public: + set_functions (void* data): data_ (data) {} + + public: + void* data_; + + void (*insert_) (const V&, void*); + bool (*select_) (V&, void*); + void (*delete__) (void*); + }; + + // Map/multimap containers. + // + template <typename K, typename V> + struct map_functions + { + typedef K key_type; + typedef V value_type; + + void + insert (const K& key, const V& value) const + { + insert_ (key, value, data_); + } + + bool + select (K& next_key, V& next_value) const + { + return select_ (next_key, next_value, data_); + } + + void + delete_ () const + { + delete__ (data_); + } + + // Implementation details. + // + public: + map_functions (void* data): data_ (data) {} + + public: + void* data_; + + void (*insert_) (const K&, const V&, void*); + bool (*select_) (K&, V&, void*); + void (*delete__) (void*); + }; +} + +#include <odb/post.hxx> + +#include <odb/std-map-traits.hxx> +#include <odb/std-set-traits.hxx> +#include <odb/std-list-traits.hxx> +#include <odb/std-vector-traits.hxx> +#include <odb/std-deque-traits.hxx> + +#ifdef ODB_CXX11 +# include <odb/std-array-traits.hxx> +# include <odb/std-forward-list-traits.hxx> +# include <odb/std-unordered-map-traits.hxx> +# include <odb/std-unordered-set-traits.hxx> +#endif + +#endif // ODB_CONTAINER_TRAITS_HXX |