diff options
Diffstat (limited to 'libodb-qt/odb/qt/containers/qmap-traits.hxx')
-rw-r--r-- | libodb-qt/odb/qt/containers/qmap-traits.hxx | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/libodb-qt/odb/qt/containers/qmap-traits.hxx b/libodb-qt/odb/qt/containers/qmap-traits.hxx new file mode 100644 index 0000000..5f13b29 --- /dev/null +++ b/libodb-qt/odb/qt/containers/qmap-traits.hxx @@ -0,0 +1,130 @@ +// file : odb/qt/containers/qmap-traits.hxx +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_QT_CONTAINER_QMAP_TRAITS_HXX +#define ODB_QT_CONTAINER_QMAP_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <QtCore/QMap> +#include <QtCore/QMultiMap> + +#include <odb/container-traits.hxx> + +namespace odb +{ + template <typename Key, typename T> + class access::container_traits<QMap<Key, T> > + { + public: + static const container_kind kind = ck_map; + static const bool smart = false; + + typedef QMap<Key, T> container_type; + + typedef Key key_type; + typedef T value_type; + + typedef map_functions<key_type, value_type> functions; + + public: + static void + persist (const container_type& c, const functions& f) + { + for (typename container_type::const_iterator i (c.begin ()), + e (c.end ()); i != e; ++i) + f.insert (i.key (), i.value ()); + } + + static void + load (container_type& c, bool more, const functions& f) + { + c.clear (); + + while (more) + { + key_type k; + value_type v; + more = f.select (k, v); + c.insert (k, v); //@@ Use std::move in C++11. + } + } + + static void + update (const container_type& c, const functions& f) + { + f.delete_ (); + + for (typename container_type::const_iterator i (c.begin ()), + e (c.end ()); i != e; ++i) + f.insert (i.key (), i.value ()); + } + + static void + erase (const functions& f) + { + f.delete_ (); + } + }; + // @@ QMultiMap guarantees elements to be stored in reverse order of + // insertion. The current implementation of the generated code does + // not guarantee this. + // + template <typename Key, typename T> + class access::container_traits<QMultiMap<Key, T> > + { + public: + static const container_kind kind = ck_multimap; + static const bool smart = false; + + typedef QMultiMap<Key, T> container_type; + + typedef Key key_type; + typedef T value_type; + + typedef map_functions<key_type, value_type> functions; + + public: + static void + persist (const container_type& c, const functions& f) + { + for (typename container_type::const_iterator i (c.begin ()), + e (c.end ()); i != e; ++i) + f.insert (i.key (), i.value ()); + } + + static void + load (container_type& c, bool more, const functions& f) + { + c.clear (); + + while (more) + { + key_type k; + value_type v; + more = f.select (k, v); + c.insert (k, v); //@@ Use std::move in C++11. + } + } + + static void + update (const container_type& c, const functions& f) + { + f.delete_ (); + + for (typename container_type::const_iterator i (c.begin ()), + e (c.end ()); i != e; ++i) + f.insert (i.key (), i.value ()); + } + + static void + erase (const functions& f) + { + f.delete_ (); + } + }; +} + +#include <odb/post.hxx> + +#endif // ODB_QT_CONTAINER_QMAP_TRAITS_HXX |