diff options
Diffstat (limited to 'odb/std-forward-list-traits.hxx')
-rw-r--r-- | odb/std-forward-list-traits.hxx | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/odb/std-forward-list-traits.hxx b/odb/std-forward-list-traits.hxx new file mode 100644 index 0000000..a86524b --- /dev/null +++ b/odb/std-forward-list-traits.hxx @@ -0,0 +1,73 @@ +// file : odb/std-forward-list-traits.hxx +// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_STD_FORWARD_LIST_TRAITS_HXX +#define ODB_STD_FORWARD_LIST_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <forward_list> + +#include <odb/container-traits.hxx> + +namespace odb +{ + template <typename V, typename A> + class access::container_traits<std::forward_list<V, A>> + { + public: + static container_kind const kind = ck_ordered; + + typedef std::forward_list<V, A> container_type; + + typedef V value_type; + typedef typename container_type::size_type index_type; + + typedef ordered_functions<index_type, value_type> functions; + + public: + static void + persist (const container_type& c, const functions& f) + { + index_type i (0); + for (typename container_type::const_iterator j (c.begin ()), + e (c.end ()); j != e; ++j) + f.insert_one (i++, *j); + } + + static void + load (container_type& c, bool more, const functions& f) + { + c.clear (); + + for (typename container_type::iterator i (c.before_begin ()); more; ) + { + index_type dummy; + i = c.insert_after (i, value_type ()); + more = f.load_all (dummy, *i); + } + } + + static void + update (const container_type& c, const functions& f) + { + f.delete_all (); + + index_type i (0); + for (typename container_type::const_iterator j (c.begin ()), + e (c.end ()); j != e; ++j) + f.insert_one (i++, *j); + } + + static void + erase (const functions& f) + { + f.delete_all (); + } + }; +} + +#include <odb/post.hxx> + +#endif // ODB_STD_FORWARD_LIST_TRAITS_HXX |