diff options
Diffstat (limited to 'odb/relational/header.cxx')
| -rw-r--r-- | odb/relational/header.cxx | 435 |
1 files changed, 262 insertions, 173 deletions
diff --git a/odb/relational/header.cxx b/odb/relational/header.cxx index 538962b..1295106 100644 --- a/odb/relational/header.cxx +++ b/odb/relational/header.cxx @@ -13,15 +13,14 @@ traverse_object (type& c) using semantics::data_member; data_member* id (id_member (c)); - bool auto_id (id ? id->count ("auto") : false); - bool base_id (id ? &id->scope () != &c : false); // Comes from base. + bool auto_id (id && auto_ (*id)); + bool base_id (id && &id->scope () != &c); // Comes from base. data_member* optimistic (context::optimistic (c)); type* poly_root (polymorphic (c)); bool poly (poly_root != 0); bool poly_derived (poly && poly_root != &c); - type* poly_base (poly_derived ? &polymorphic_base (c) : 0); data_member* discriminator (poly ? context::discriminator (*poly_root) : 0); bool abst (abstract (c)); @@ -33,14 +32,6 @@ traverse_object (type& c) os << "// " << class_name (c) << endl << "//" << endl; - // class_traits - // - os << "template <>" << endl - << "struct class_traits< " << type << " >" - << "{" - << "static const class_kind kind = class_object;" - << "};"; - // pointer_query_columns & query_columns // if (options.generate_query ()) @@ -58,59 +49,38 @@ traverse_object (type& c) pointer_query_columns_type_->traverse (c); } - // object_traits + // object_traits_impl // os << "template <>" << endl - << "class access::object_traits< " << type << " >" + << "class access::object_traits_impl< " << type << ", id_" << db << + " >:" << endl + << " public access::object_traits< " << type << " >" << "{" << "public:" << endl; object_public_extra_pre (c); - // object_type & pointer_type - // - os << "typedef " << type << " object_type;" - << "typedef " << c.get<string> ("object-pointer") << " pointer_type;" - << "typedef odb::pointer_traits<pointer_type> pointer_traits;" - << endl; - - // polymorphic, root_type, base_type, etc. + // Polymorphic root_traits, base_traits, and discriminator_image_type. // - os << "static const bool polymorphic = " << (poly ? "true" : "false") << ";"; - if (poly) { - os << "typedef " << class_fq_name (*poly_root) << " root_type;" - << "typedef object_traits<root_type> root_traits;"; + if (!abst) + os << "typedef polymorphic_entry<object_type, id_" << db << + "> entry_type;"; + + os << "typedef object_traits_impl<root_type, id_" << db << "> " << + "root_traits;"; if (poly_derived) { - os << "typedef " << class_fq_name (*poly_base) << " base_type;" - << "typedef object_traits<base_type> base_traits;" - << "typedef root_traits::discriminator_type discriminator_type;" - << "typedef odb::polymorphic_concrete_info<root_type> info_type;"; - - if (abst) - os << "typedef odb::polymorphic_abstract_info<root_type> " << - "abstract_info_type;"; - else - os << "typedef odb::polymorphic_entry<object_type> entry_type;"; - - // Calculate our hierarchy depth (number of classes). - // - size_t depth (polymorphic_depth (c)); - - os << "static const std::size_t depth = " << depth << "UL;"; + os << "typedef object_traits_impl<base_type, id_" << db << "> " << + "base_traits;" + << endl; } else { - semantics::names* hint; - semantics::type& t (utype (*discriminator, hint)); - - os << "typedef " << t.fq_name (hint) << " discriminator_type;" - << endl; - - os << "struct discriminator_image_type" + os << endl + << "struct discriminator_image_type" << "{"; discriminator_image_member_->traverse (*discriminator); @@ -120,23 +90,10 @@ traverse_object (type& c) os << "std::size_t version;" << "};"; - - os << "typedef odb::polymorphic_map<object_type> map_type;" - << "typedef odb::polymorphic_concrete_info<object_type> info_type;"; - - if (abst) - os << "typedef odb::polymorphic_abstract_info<object_type> " << - "abstract_info_type;"; - else - os << "typedef odb::polymorphic_entry<object_type> entry_type;"; - - os << "static const std::size_t depth = 1UL;"; } } - os << endl; - - // id_type & id_image_type + // id_image_type // if (id != 0) { @@ -144,44 +101,14 @@ traverse_object (type& c) { semantics::class_& b ( dynamic_cast<semantics::class_&> (id->scope ())); - string const& type (class_fq_name (b)); + string const& type (); - os << "typedef object_traits< " << type << " >::id_type id_type;"; - - if (optimistic != 0) - os << "typedef object_traits< " << type << " >::version_type " << - "version_type;"; - - if (poly_derived) - os << "typedef object_traits< " << type << " >:: id_image_type " << - "id_image_type;" - << "static const bool auto_id = false;" - << endl; - else - os << "typedef object_traits< " << type << " >::id_image_type " << - "id_image_type;" - << "static const bool auto_id = object_traits< " << type << - " >::auto_id;" - << endl; + os << "typedef object_traits_impl< " << class_fq_name (b) << ", " << + "id_" << db << " >::id_image_type id_image_type;" + << endl; } else { - { - semantics::names* hint; - semantics::type& t (utype (*id, hint)); - os << "typedef " << t.fq_name (hint) << " id_type;"; - } - - if (optimistic != 0) - { - semantics::names* hint; - semantics::type& t (utype (*optimistic, hint)); - os << "typedef " << t.fq_name (hint) << " version_type;"; - } - - os << "static const bool auto_id = " << (auto_id ? "true;" : "false;") - << endl; - os << "struct id_image_type" << "{"; @@ -194,19 +121,6 @@ traverse_object (type& c) << "};"; } } - else if (!reuse_abst) - { - // Object without id. - // - os << "typedef void id_type;" - << "static const bool auto_id = false;" - << endl; - } - - // abstract - // - os << "static const bool abstract = " << (abst ? "true" : "false") << ";" - << endl; // Polymorphic map. // @@ -236,19 +150,9 @@ traverse_object (type& c) // Functions (abstract and concrete). // - // id () - // if (id != 0 || !reuse_abst) - { - // We want to generate a dummy void id() accessor even if this - // object has no id to help us in the runtime. This way we can - // write generic code that will work for both void and non-void - // ids. - // - os << "static id_type" << endl - << "id (const object_type&);" + os << "using object_traits<object_type>::id;" << endl; - } if (!poly_derived && id != 0) { @@ -370,45 +274,6 @@ traverse_object (type& c) return; } - // Cache traits typedefs. - // - if (id == 0) - { - os << "typedef" << endl - << "odb::no_id_pointer_cache_traits<pointer_type>" << endl - << "pointer_cache_traits;" - << "typedef" << endl - << "odb::no_id_reference_cache_traits<object_type>" << endl - << "reference_cache_traits;" - << endl; - } - else - { - char const* p (session (c) ? "" : "no_op_"); - - if (poly_derived) - { - os << "typedef" << endl - << "odb::" << p << "pointer_cache_traits<" << - "root_traits::pointer_type>" << endl - << "pointer_cache_traits;" - << "typedef" << endl - << "odb::" << p << "reference_cache_traits<root_type>" << endl - << "reference_cache_traits;" - << endl; - } - else - { - os << "typedef" << endl - << "odb::" << p << "pointer_cache_traits<pointer_type>" << endl - << "pointer_cache_traits;" - << "typedef" << endl - << "odb::" << p << "reference_cache_traits<object_type>" << endl - << "reference_cache_traits;" - << endl; - } - } - // Statements typedefs. // if (poly) @@ -418,6 +283,7 @@ traverse_object (type& c) << db << "::polymorphic_derived_object_statements" << "<object_type>" << endl << "statements_type;" + << endl << "typedef" << endl << db << "::polymorphic_root_object_statements<root_type>" << endl << "root_statements_type;" @@ -426,6 +292,7 @@ traverse_object (type& c) os << "typedef" << endl << db << "::polymorphic_root_object_statements<object_type>" << endl << "statements_type;" + << endl << "typedef statements_type root_statements_type;" << "typedef " << db << "::object_statements<object_type> " << "base_statements_type;" @@ -451,7 +318,7 @@ traverse_object (type& c) { // query_base_type // - os << "typedef " << db << "::query query_base_type;" + os << "typedef " << db << "::query_base query_base_type;" << endl; } @@ -526,16 +393,6 @@ traverse_object (type& c) // Functions (concrete). // - // callback () - // - os << "static void" << endl - << "callback (database&, object_type&, callback_event);" - << endl; - - os << "static void" << endl - << "callback (database&, const object_type&, callback_event);" - << endl; - // persist () // os << "static void" << endl @@ -622,13 +479,27 @@ traverse_object (type& c) // if (options.generate_query ()) { - os << "static result<object_type>" << endl - << "query (database&, const query_base_type&);" - << endl; + if (!options.omit_unprepared ()) + { + os << "static result<object_type>" << endl + << "query (database&, const query_base_type&);" + << endl; + } os << "static unsigned long long" << endl << "erase_query (database&, const query_base_type&);" << endl; + + if (options.generate_prepared ()) + { + os << "static odb::details::shared_ptr<prepared_query_impl>" << endl + << "prepare_query (connection&, const char*, const query_base_type&);" + << endl; + + os << "static odb::details::shared_ptr<result_impl>" << endl + << "execute_query (prepared_query_impl&);" + << endl; + } } // create_schema () @@ -736,6 +607,224 @@ traverse_object (type& c) } os << "};"; + + + // object_traits_impl< , id_default> + // + // Note that it is not generated for reuse-abstract classes. + // + if (options.default_database_specified () && + options.default_database () == db) + { + os << "template <>" << endl + << "class access::object_traits_impl< " << type << ", " << + "id_default >:" << endl + << " public access::object_traits_impl< " << type << ", " << + "id_" << db << " >" + << "{" + << "};"; + } +} + +void relational::header::class1:: +traverse_view (type& c) +{ + string const& type (class_fq_name (c)); + + os << "// " << class_name (c) << endl + << "//" << endl; + + // view_traits_impl + // + os << "template <>" << endl + << "class access::view_traits_impl< " << type << ", id_" << + db << " >:" << endl + << " public access::view_traits< " << type << " >" + << "{" + << "public:" << endl; + + view_public_extra_pre (c); + + // image_type + // + image_type_->traverse (c); + + os << "typedef " << db << "::view_statements<view_type> statements_type;" + << endl; + + // + // Query. + // + + // query_base_type and query_columns (definition generated by class2). + // + os << "typedef " << db << "::query_base query_base_type;" + << "struct query_columns"; + + if (c.get<size_t> ("object-count") == 0) + os << "{" + << "};"; + else + os << ";" + << endl; + + // + // Functions. + // + + // grow () + // + if (generate_grow) + { + os << "static bool" << endl + << "grow (image_type&, " << truncated_vector << ");" + << endl; + } + + // bind (image_type) + // + os << "static void" << endl + << "bind (" << bind_vector << ", image_type&);" + << endl; + + // init (view, image) + // + os << "static void" << endl + << "init (view_type&, const image_type&, database*);" + << endl; + + // column_count + // + os << "static const std::size_t column_count = " << + column_count (c).total << "UL;" + << endl; + + // Statements. + // + view_query& vq (c.get<view_query> ("query")); + + if (vq.kind != view_query::runtime) + { + os << "static query_base_type" << endl + << "query_statement (const query_base_type&);" + << endl; + } + + // + // Functions. + // + + // query () + // + if (!options.omit_unprepared ()) + os << "static result<view_type>" << endl + << "query (database&, const query_base_type&);" + << endl; + + if (options.generate_prepared ()) + { + os << "static odb::details::shared_ptr<prepared_query_impl>" << endl + << "prepare_query (connection&, const char*, const query_base_type&);" + << endl; + + os << "static odb::details::shared_ptr<result_impl>" << endl + << "execute_query (prepared_query_impl&);" + << endl; + } + + view_public_extra_post (c); + + os << "};"; + + // view_traits_impl< , id_default> + // + if (options.default_database_specified () && + options.default_database () == db) + { + os << "template <>" << endl + << "class access::view_traits_impl< " << type << ", " << + "id_default >:" << endl + << " public access::view_traits_impl< " << type << ", " << + "id_" << db << " >" + << "{" + << "};"; + } +} + +void relational::header::class1:: +traverse_composite (type& c) +{ + string const& type (class_fq_name (c)); + + os << "// " << class_name (c) << endl + << "//" << endl; + + os << "template <>" << endl + << "class access::composite_value_traits< " << type << ", " << + "id_" << db << " >" + << "{" + << "public:" << endl; + + // value_type + // + os << "typedef " << type << " value_type;" + << endl; + + // image_type + // + image_type_->traverse (c); + + // Containers. + // + { + instance<container_traits> t (c); + t->traverse (c); + } + + // grow () + // + if (generate_grow) + { + os << "static bool" << endl + << "grow (image_type&, " << truncated_vector << ");" + << endl; + } + + // bind (image_type) + // + os << "static void" << endl + << "bind (" << bind_vector << ", image_type&, " << + db << "::statement_kind);" + << endl; + + // init (image, value) + // + os << "static " << (generate_grow ? "bool" : "void") << endl + << "init (image_type&, const value_type&, " << db << "::statement_kind);" + << endl; + + // init (value, image) + // + os << "static void" << endl + << "init (value_type&, const image_type&, database*);" + << endl; + + if (!has_a (c, test_container)) + { + // get_null (image) + // + os << "static bool" << endl + << "get_null (const image_type&);" + << endl; + + // set_null (image) + // + os << "static void" << endl + << "set_null (image_type&, " << db << "::statement_kind);" + << endl; + } + + os << "};"; } void relational::header:: |