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Add new function g_irepository_get_typelib_path which tells us from where

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2008-08-20  Colin Walters  <walters@verbum.org>

	* girepository/girepository.c: Add new function
	g_irepository_get_typelib_path which tells
	us from where we loaded a namespace.

svn path=/trunk/; revision=429
This commit is contained in:
Colin Walters 2008-08-21 03:06:13 +00:00 committed by Colin Walters
parent ae74722007
commit c09cf789a0
2 changed files with 51 additions and 9 deletions
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58
girepository.c
View File

@ -102,9 +102,19 @@ init_globals ()
g_static_mutex_unlock (&globals_lock);
}
const gchar *
g_irepository_register (GIRepository *repository,
GTypelib *typelib)
static char *
build_typelib_key (const char *name, const char *source)
{
GString *str = g_string_new (name);
g_string_append_c (str, '\0');
g_string_append (str, source);
return g_string_free (str, FALSE);
}
static const gchar *
register_internal (GIRepository *repository,
const char *source,
GTypelib *typelib)
{
Header *header;
const gchar *name;
@ -140,7 +150,7 @@ g_irepository_register (GIRepository *repository,
return NULL;
}
g_hash_table_insert (table, g_strdup(name), (void *)typelib);
g_hash_table_insert (table, build_typelib_key (name, source), (void *)typelib);
if (typelib->module == NULL)
typelib->module = g_module_open (NULL, 0);
@ -148,6 +158,12 @@ g_irepository_register (GIRepository *repository,
return name;
}
const gchar *
g_irepository_register (GIRepository *repository,
GTypelib *typelib)
{
return register_internal (repository, "<builtin>", typelib);
}
void
g_irepository_unregister (GIRepository *repository,
@ -436,14 +452,34 @@ g_irepository_get_shared_library (GIRepository *repository,
return NULL;
}
static inline void
g_irepository_build_search_path (void)
/**
* g_irepository_get_typelib_path
* @repository: Repository, may be %NULL for the default
* @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 "<builtin>".
*
* Returns: Filesystem path (or <builtin>) if successful, %NULL otherwise
*/
const gchar *
g_irepository_get_typelib_path (GIRepository *repository,
const gchar *namespace)
{
gpointer orig_key, value;
if (!g_hash_table_lookup_extended (repository->priv->typelib, namespace,
&orig_key, &value))
return NULL;
return ((char*)orig_key) + strlen ((char *) orig_key) + 1;
}
/**
* g_irepository_require
* @repository: Repository, may be null for the default
* @repository: Repository, may be %NULL for the default
* @namespace: GI namespace to use, e.g. "Gtk"
* @error: a #GError.
*
@ -493,10 +529,10 @@ g_irepository_require (GIRepository *repository,
g_free (full_path);
continue;
}
g_free (full_path);
typelib = g_typelib_new_from_mapped_file (mfile);
typelib_namespace = g_typelib_get_string (typelib, ((Header *) typelib->data)->namespace);
if (strcmp (typelib_namespace, namespace) != 0) {
g_free (full_path);
g_set_error (error, G_IREPOSITORY_ERROR,
G_IREPOSITORY_ERROR_NAMESPACE_MISMATCH,
"Typelib file %s for namespace '%s' contains namespace '%s'"
@ -508,6 +544,7 @@ g_irepository_require (GIRepository *repository,
}
g_free (fname);
if (typelib == NULL) {
g_free (full_path);
g_set_error (error, G_IREPOSITORY_ERROR,
G_IREPOSITORY_ERROR_TYPELIB_NOT_FOUND,
"Typelib file for namespace '%s' was not found in search"
@ -520,6 +557,7 @@ g_irepository_require (GIRepository *repository,
shlib_fname = g_typelib_get_string (typelib, shlib);
module = g_module_open (shlib_fname, G_MODULE_BIND_LAZY|G_MODULE_BIND_LOCAL);
if (module == NULL) {
g_free (full_path);
g_set_error (error, G_IREPOSITORY_ERROR,
G_IREPOSITORY_ERROR_TYPELIB_NOT_FOUND,
"Typelib for namespace '%s' references shared library %s,"
@ -530,7 +568,9 @@ g_irepository_require (GIRepository *repository,
}
g_hash_table_remove (table, namespace);
return g_irepository_register (repository, typelib);
register_internal (repository, full_path, typelib);
g_free (full_path);
return namespace;
}

2
girepository.h
View File

@ -92,6 +92,8 @@ gint g_irepository_get_n_infos (GIRepository *repository,
GIBaseInfo * g_irepository_get_info (GIRepository *repository,
const gchar *namespace,
gint index);
const gchar * g_irepository_get_typelib_path (GIRepository *repository,
const gchar *namespace);
const gchar * g_irepository_get_shared_library (GIRepository *repository,
const gchar *namespace);
/* Typelib */