diff options
Diffstat (limited to 'girepository/girepository.c')
| -rw-r--r-- | girepository/girepository.c | 223 |
1 files changed, 152 insertions, 71 deletions
diff --git a/girepository/girepository.c b/girepository/girepository.c index b5c30297..6fc7c77e 100644 --- a/girepository/girepository.c +++ b/girepository/girepository.c @@ -31,11 +31,20 @@ #include "girepository.h" #include "gitypelib-internal.h" #include "girepository-private.h" -#include "glib-compat.h" #include "config.h" -static GStaticMutex globals_lock = G_STATIC_MUTEX_INIT; + +/** + * SECTION:girepository + * @short_description: GObject Introspection repository manager + * @include: girepository.h + * + * #GIRepository is used to manage repositories of namespaces. Namespaces + * are represented on disk by type libraries (.typelib files). + */ + + static GIRepository *default_repository = NULL; static GSList *search_path = NULL; static GSList *override_search_path = NULL; @@ -134,12 +143,13 @@ g_irepository_class_init (GIRepositoryClass *class) static void init_globals (void) { - g_static_mutex_lock (&globals_lock); + static gsize initialized = 0; + + if (!g_once_init_enter (&initialized)) + return; if (default_repository == NULL) - { - default_repository = g_object_new (G_TYPE_IREPOSITORY, NULL); - } + default_repository = g_object_new (G_TYPE_IREPOSITORY, NULL); if (search_path == NULL) { @@ -147,8 +157,9 @@ init_globals (void) char *typelib_dir; const gchar *type_lib_path_env; - /* This variable is intended to take precedence over both the default - * search path, as well as anything written into code with g_irepository_prepend_search_path. + /* This variable is intended to take precedence over both: + * - the default search path; + * - all g_irepository_prepend_search_path() calls. */ type_lib_path_env = g_getenv ("GI_TYPELIB_PATH"); @@ -184,9 +195,17 @@ init_globals (void) search_path = g_slist_reverse (search_path); } - g_static_mutex_unlock (&globals_lock); + g_once_init_leave (&initialized, 1); } +/** + * g_irepository_prepend_search_path: + * @directory: (type filename): directory name to prepend to the typelib + * search path + * + * Prepends @directory to the typelib search path. + * See g_irepository_get_search_path(). + */ void g_irepository_prepend_search_path (const char *directory) { @@ -197,11 +216,11 @@ g_irepository_prepend_search_path (const char *directory) /** * g_irepository_get_search_path: * - * Returns the search path the GIRepository will use when looking for typelibs. - * The string is internal to GIRespository and should not be freed, nor should - * the elements. + * Returns the current search path #GIRepository will use when loading + * typelib files. The list is internal to #GIRespository and should not + * be freed, nor should its string elements. * - * Return value: (element-type filename) (transfer none): list of strings + * Returns: (element-type filename) (transfer none): #GSList of strings */ GSList * g_irepository_get_search_path (void) @@ -413,17 +432,19 @@ register_internal (GIRepository *repository, /** * g_irepository_get_dependencies: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: Namespace of interest * - * Return an array of all (transitive) dependencies for namespace - * @namespace_, including version. The returned strings are of the - * form <code>namespace-version</code>. + * Return an array of all (transitive) versioned dependencies for + * @namespace_. Returned strings are of the form + * <code>namespace-version</code>. * - * Note: The namespace must have already been loaded using a function + * Note: @namespace_ must have already been loaded using a function * such as g_irepository_require() before calling this function. * - * Returns: (transfer full): Zero-terminated string array of versioned dependencies + * Returns: (transfer full): Zero-terminated string array of versioned + * dependencies */ char ** g_irepository_get_dependencies (GIRepository *repository, @@ -441,6 +462,16 @@ g_irepository_get_dependencies (GIRepository *repository, return get_typelib_dependencies (typelib); } +/** + * g_irepository_load_typelib: + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository + * @typelib: TODO + * @flags: TODO + * @error: TODO + * + * TODO + */ const char * g_irepository_load_typelib (GIRepository *repository, GITypelib *typelib, @@ -479,7 +510,8 @@ g_irepository_load_typelib (GIRepository *repository, /** * g_irepository_is_registered: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: Namespace of interest * @version: (allow-none): Required version, may be %NULL for latest * @@ -504,13 +536,13 @@ g_irepository_is_registered (GIRepository *repository, /** * g_irepository_get_default: * - * Returns the singleton process-global default #GIRepository. It is + * Returns the singleton process-global default #GIRepository. It is * not currently supported to have multiple repositories in a * particular process, but this function is provided in the unlikely * eventuality that it would become possible, and as a convenience for * higher level language bindings to conform to the GObject method * call conventions. - + * * All methods on #GIRepository also accept %NULL as an instance * parameter to mean this default repository, which is usually more * convenient for C. @@ -525,7 +557,8 @@ g_irepository_get_default (void) /** * g_irepository_get_n_infos: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: Namespace to inspect * * This function returns the number of metadata entries in @@ -556,7 +589,8 @@ g_irepository_get_n_infos (GIRepository *repository, /** * g_irepository_get_info: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: Namespace to inspect * @index: 0-based offset into namespace metadata for entry * @@ -593,33 +627,45 @@ g_irepository_get_info (GIRepository *repository, } typedef struct { - GIRepository *repository; - GType type; - - gboolean fastpass; + const gchar *gtype_name; GITypelib *result_typelib; - DirEntry *result; + gboolean found_prefix; } FindByGTypeData; -static void -find_by_gtype_foreach (gpointer key, - gpointer value, - gpointer datap) +static DirEntry * +find_by_gtype (GHashTable *table, FindByGTypeData *data, gboolean check_prefix) { - GITypelib *typelib = (GITypelib*)value; - FindByGTypeData *data = datap; + GHashTableIter iter; + gpointer key, value; + DirEntry *ret; - if (data->result != NULL) - return; + g_hash_table_iter_init (&iter, table); + while (g_hash_table_iter_next (&iter, &key, &value)) + { + GITypelib *typelib = (GITypelib*)value; + if (check_prefix) + { + if (!g_typelib_matches_gtype_name_prefix (typelib, data->gtype_name)) + continue; - data->result = g_typelib_get_dir_entry_by_gtype (typelib, data->fastpass, data->type); - if (data->result) - data->result_typelib = typelib; + data->found_prefix = TRUE; + } + + ret = g_typelib_get_dir_entry_by_gtype_name (typelib, data->gtype_name); + if (ret) + { + data->result_typelib = typelib; + return ret; + } + } + + return NULL; } /** * g_irepository_find_by_gtype: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @gtype: GType to search for * * Searches all loaded namespaces for a particular #GType. Note that @@ -637,6 +683,7 @@ g_irepository_find_by_gtype (GIRepository *repository, { FindByGTypeData data; GIBaseInfo *cached; + DirEntry *entry; repository = get_repository (repository); @@ -646,30 +693,55 @@ g_irepository_find_by_gtype (GIRepository *repository, if (cached != NULL) return g_base_info_ref (cached); - data.repository = repository; - data.fastpass = TRUE; - data.type = gtype; + data.gtype_name = g_type_name (gtype); data.result_typelib = NULL; - data.result = NULL; + data.found_prefix = FALSE; + + /* There is a corner case regarding GdkRectangle. GdkRectangle is a + * boxed type, but it is just an alias to boxed struct + * CairoRectangleInt. Scanner automatically converts all references + * to GdkRectangle to CairoRectangleInt, so GdkRectangle does not + * appear in the typelibs at all, although user code might query it. + * So if we get such query, we also change it to lookup of + * CairoRectangleInt. + * https://bugzilla.gnome.org/show_bug.cgi?id=655423 + */ + if (G_UNLIKELY (!strcmp (data.gtype_name, "GdkRectangle"))) + data.gtype_name = "CairoRectangleInt"; + + /* Inside each typelib, we include the "C prefix" which acts as + * a namespace mechanism. For GtkTreeView, the C prefix is Gtk. + * Given the assumption that GTypes for a library also use the + * C prefix, we know we can skip examining a typelib if our + * target type does not have this typelib's C prefix. Use this + * assumption as our first attempt at locating the DirEntry. + */ + entry = find_by_gtype (repository->priv->typelibs, &data, TRUE); + if (entry == NULL) + entry = find_by_gtype (repository->priv->lazy_typelibs, &data, TRUE); - g_hash_table_foreach (repository->priv->typelibs, find_by_gtype_foreach, &data); - if (data.result == NULL) - g_hash_table_foreach (repository->priv->lazy_typelibs, find_by_gtype_foreach, &data); + /* If we have no result, but we did find a typelib claiming to + * offer bindings for such a prefix, bail out now on the assumption + * that a more exhaustive search would not produce any results. + */ + if (entry == NULL && data.found_prefix) + return NULL; - /* We do two passes; see comment in find_interface */ - if (data.result == NULL) - { - data.fastpass = FALSE; - g_hash_table_foreach (repository->priv->typelibs, find_by_gtype_foreach, &data); - } - if (data.result == NULL) - g_hash_table_foreach (repository->priv->lazy_typelibs, find_by_gtype_foreach, &data); + /* Not ever class library necessarily specifies a correct c_prefix, + * so take a second pass. This time we will try a global lookup, + * ignoring prefixes. + * See http://bugzilla.gnome.org/show_bug.cgi?id=564016 + */ + if (entry == NULL) + entry = find_by_gtype (repository->priv->typelibs, &data, FALSE); + if (entry == NULL) + entry = find_by_gtype (repository->priv->lazy_typelibs, &data, FALSE); - if (data.result != NULL) + if (entry != NULL) { - cached = _g_info_new_full (data.result->blob_type, + cached = _g_info_new_full (entry->blob_type, repository, - NULL, data.result_typelib, data.result->offset); + NULL, data.result_typelib, entry->offset); g_hash_table_insert (repository->priv->info_by_gtype, (gpointer) gtype, @@ -681,7 +753,8 @@ g_irepository_find_by_gtype (GIRepository *repository, /** * g_irepository_find_by_name: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: Namespace which will be searched * @name: Entry name to find * @@ -740,7 +813,8 @@ find_by_error_domain_foreach (gpointer key, /** * g_irepository_find_by_error_domain: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @domain: a #GError domain * * Searches for the enum type corresponding to the given #GError @@ -750,7 +824,6 @@ find_by_error_domain_foreach (gpointer key, * * Returns: (transfer full): #GIEnumInfo representing metadata about @domain's * enum type, or %NULL - * * Since: 1.29.17 */ GIEnumInfo * @@ -803,7 +876,8 @@ collect_namespaces (gpointer key, /** * g_irepository_get_loaded_namespaces: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * * Return the list of currently loaded namespaces. * @@ -832,7 +906,8 @@ g_irepository_get_loaded_namespaces (GIRepository *repository) /** * g_irepository_get_version: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: Namespace to inspect * * This function returns the loaded version associated with the given @@ -864,7 +939,8 @@ g_irepository_get_version (GIRepository *repository, /** * g_irepository_get_shared_library: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: Namespace to inspect * * This function returns the full path to the shared C library @@ -901,7 +977,8 @@ g_irepository_get_shared_library (GIRepository *repository, /** * g_irepository_get_c_prefix: - * @repository: (allow-none): A #GIRepository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: Namespace to inspect * * This function returns the "C prefix", or the C level namespace @@ -937,13 +1014,14 @@ g_irepository_get_c_prefix (GIRepository *repository, /** * g_irepository_get_typelib_path: - * @repository: (allow-none): Repository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: GI namespace to use, e.g. "Gtk" * * If namespace @namespace_ is loaded, return the full path to the * .typelib file it was loaded from. If the typelib for * namespace @namespace_ was included in a shared library, return - * the special string "$lt;builtin$gt;". + * the special string "<builtin>". * * Returns: Filesystem path (or $lt;builtin$gt;) if successful, %NULL if namespace is not loaded */ @@ -1212,7 +1290,8 @@ find_namespace_latest (const gchar *namespace, /** * g_irepository_enumerate_versions: - * @repository: (allow-none): the repository + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: GI namespace, e.g. "Gtk" * * Obtain an unordered list of versions (either currently loaded or @@ -1372,7 +1451,8 @@ require_internal (GIRepository *repository, /** * g_irepository_require: - * @repository: (allow-none): Repository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @namespace_: GI namespace to use, e.g. "Gtk" * @version: (allow-none): Version of namespace, may be %NULL for latest * @flags: Set of %GIRepositoryLoadFlags, may be 0 @@ -1406,7 +1486,8 @@ g_irepository_require (GIRepository *repository, /** * g_irepository_require_private: - * @repository: (allow-none): Repository, may be %NULL for the default + * @repository: (allow-none): A #GIRepository or %NULL for the singleton + * process-global default #GIRepository * @typelib_dir: Private directory where to find the requested typelib * @namespace_: GI namespace to use, e.g. "Gtk" * @version: (allow-none): Version of namespace, may be %NULL for latest |