#include "config/configuration.h"
#include "libvlc.h"
-static void vlc_module_destruct (gc_object_t *obj)
+static char *strdup_null (const char *str)
{
- module_t *module = vlc_priv (obj, module_t);
-
- free (module->pp_shortcuts);
- free (module);
+ return (str != NULL) ? strdup (str) : NULL;
}
-module_t *vlc_module_create (void)
+module_t *vlc_module_create (module_t *parent)
{
module_t *module = malloc (sizeof (*module));
if (module == NULL)
return NULL;
- module->next = NULL;
+ /* TODO: replace module/submodules with plugin/modules */
+ if (parent == NULL)
+ {
+ module->next = NULL;
+ module->parent = NULL;
+ }
+ else
+ {
+ module->next = parent->submodule;
+ parent->submodule = module;
+ parent->submodule_count++;
+ module->parent = parent;
+ }
+
module->submodule = NULL;
- module->parent = NULL;
module->submodule_count = 0;
- vlc_gc_init (module, vlc_module_destruct);
module->psz_shortname = NULL;
module->psz_longname = NULL;
module->pp_shortcuts = NULL;
module->i_shortcuts = 0;
module->psz_capability = NULL;
- module->i_score = 1;
- module->b_unloadable = true;
+ module->i_score = (parent != NULL) ? parent->i_score : 1;
+ module->b_loaded = false;
+ module->b_unloadable = parent == NULL;
module->pf_activate = NULL;
module->pf_deactivate = NULL;
module->p_config = NULL;
/*module->handle = garbage */
module->psz_filename = NULL;
module->domain = NULL;
- module->b_builtin = false;
- module->b_loaded = false;
return module;
}
-
-static void vlc_submodule_destruct (gc_object_t *obj)
+/**
+ * Destroys a plug-in.
+ * @warning If the plug-in is loaded in memory, the handle will be leaked.
+ */
+void vlc_module_destroy (module_t *module)
{
- module_t *module = vlc_priv (obj, module_t);
-
- free (module->pp_shortcuts);
- free (module);
-}
+ assert (!module->b_loaded || !module->b_unloadable);
-module_t *vlc_submodule_create (module_t *module)
-{
- assert (module != NULL);
+ for (module_t *m = module->submodule, *next; m != NULL; m = next)
+ {
+ next = m->next;
+ vlc_module_destroy (m);
+ }
- module_t *submodule = malloc (sizeof (*submodule));
- if (unlikely(submodule == NULL))
- return NULL;
+ config_Free (module->p_config, module->confsize);
- /* TODO: replace module/submodules with plugin/modules */
- vlc_gc_init (submodule, vlc_submodule_destruct);
-
- submodule->next = module->submodule;
- module->submodule = submodule;
- module->submodule_count++;
- submodule->parent = module;
- submodule->submodule = NULL;
- submodule->submodule_count = 0;
-
- submodule->pp_shortcuts = xmalloc (sizeof (char **));
- submodule->pp_shortcuts[0] = module->pp_shortcuts[0]; /* object name */
- submodule->i_shortcuts = 1;
-
- submodule->psz_shortname = module->psz_shortname;
- submodule->psz_longname = module->psz_longname;
- submodule->psz_help = NULL;
- submodule->psz_capability = module->psz_capability;
- submodule->i_score = module->i_score;
- submodule->b_builtin = false;
- submodule->b_loaded = false;
- submodule->b_unloadable = false;
- submodule->pf_activate = NULL;
- submodule->pf_deactivate = NULL;
- submodule->p_config = NULL;
- submodule->confsize = 0;
- submodule->i_config_items = 0;
- submodule->i_bool_items = 0;
- /*submodule->handle = unused*/
- /*submodule->psz_filename unused */
- submodule->domain = NULL;
- return submodule;
+ free (module->domain);
+ free (module->psz_filename);
+ for (unsigned i = 0; i < module->i_shortcuts; i++)
+ free (module->pp_shortcuts[i]);
+ free (module->pp_shortcuts);
+ free (module->psz_capability);
+ free (module->psz_help);
+ free (module->psz_longname);
+ free (module->psz_shortname);
+ free (module);
}
static module_config_t *vlc_config_create (module_t *module, int type)
}
-int vlc_plugin_set (module_t *module, module_config_t *item, int propid, ...)
+/**
+ * Callback for the plugin descriptor functions.
+ */
+static int vlc_plugin_setter (void *plugin, void *tgt, int propid, ...)
{
+ module_t **pprimary = plugin;
+ module_t *module = tgt;
+ module_config_t *item = tgt;
va_list ap;
int ret = 0;
va_start (ap, propid);
switch (propid)
{
- case VLC_SUBMODULE_CREATE:
+ case VLC_MODULE_CREATE:
{
- module_t **pp = va_arg (ap, module_t **);
- *pp = vlc_submodule_create (module);
- if (*pp == NULL)
+ module = *pprimary;
+ module_t *submodule = vlc_module_create (module);
+ if (unlikely(submodule == NULL))
+ {
ret = -1;
+ break;
+ }
+
+ *(va_arg (ap, module_t **)) = submodule;
+ if (*pprimary == NULL)
+ {
+ *pprimary = submodule;
+ break;
+ }
+ /* Inheritance. Ugly!! */
+ submodule->pp_shortcuts = xmalloc (sizeof (char **));
+ submodule->pp_shortcuts[0] = strdup_null (module->pp_shortcuts[0]);
+ submodule->i_shortcuts = 1; /* object name */
+
+ submodule->psz_shortname = strdup_null (module->psz_shortname);
+ submodule->psz_longname = strdup_null (module->psz_longname);
+ submodule->psz_capability = strdup_null (module->psz_capability);
break;
}
{
int type = va_arg (ap, int);
module_config_t **pp = va_arg (ap, module_config_t **);
- *pp = vlc_config_create (module, type);
- if (*pp == NULL)
+
+ item = vlc_config_create (*pprimary, type);
+ if (unlikely(item == NULL))
+ {
ret = -1;
+ break;
+ }
+ *pp = item;
break;
}
}
module->pp_shortcuts = pp;
module->i_shortcuts = index + i_shortcuts;
- memcpy (pp + index, tab, sizeof (pp[0]) * i_shortcuts);
+ pp += index;
+ for (unsigned i = 0; i < i_shortcuts; i++)
+ pp[i] = strdup (tab[i]);
break;
}
case VLC_MODULE_CAPABILITY:
- module->psz_capability = va_arg (ap, char *);
+ free (module->psz_capability);
+ module->psz_capability = strdup (va_arg (ap, char *));
break;
case VLC_MODULE_SCORE:
break;
case VLC_MODULE_NO_UNLOAD:
+ assert (module->parent == NULL);
module->b_unloadable = false;
break;
assert (module->i_shortcuts == 0);
module->pp_shortcuts = malloc( sizeof( char ** ) );
- module->pp_shortcuts[0] = (char*)value; /* dooh! */
+ module->pp_shortcuts[0] = strdup (value);
module->i_shortcuts = 1;
- if (module->psz_longname == NULL)
- module->psz_longname = (char*)value; /* dooh! */
+ assert (module->psz_longname == NULL);
+ module->psz_longname = strdup (value);
break;
}
case VLC_MODULE_SHORTNAME:
- module->psz_shortname = va_arg (ap, char *);
+ assert (module->psz_shortname == NULL || module->parent != NULL);
+ free (module->psz_shortname);
+ module->psz_shortname = strdup (va_arg (ap, char *));
break;
case VLC_MODULE_DESCRIPTION:
- module->psz_longname = va_arg (ap, char *);
+ // TODO: do not set this in VLC_MODULE_NAME
+ free (module->psz_longname);
+ module->psz_longname = strdup (va_arg (ap, char *));
break;
case VLC_MODULE_HELP:
assert (module->parent == NULL);
assert (module->psz_help == NULL);
- module->psz_help = va_arg (ap, char *);
+ module->psz_help = strdup (va_arg (ap, char *));
break;
case VLC_MODULE_TEXTDOMAIN:
- module->domain = va_arg (ap, char *);
+ assert (module->parent == NULL);
+ assert (module->domain == NULL);
+ module->domain = strdup (va_arg (ap, char *));
break;
case VLC_CONFIG_NAME:
case VLC_CONFIG_RANGE:
{
- if (IsConfigIntegerType (item->i_type)
- || !CONFIG_ITEM(item->i_type))
- {
- item->min.i = va_arg (ap, int64_t);
- item->max.i = va_arg (ap, int64_t);
- }
- else
if (IsConfigFloatType (item->i_type))
{
item->min.f = va_arg (ap, double);
item->max.f = va_arg (ap, double);
}
+ else
+ {
+ item->min.i = va_arg (ap, int64_t);
+ item->max.i = va_arg (ap, int64_t);
+ }
break;
}
item->i_short = va_arg (ap, int);
break;
- case VLC_CONFIG_OLDNAME:
- {
- const char *oldname = va_arg (ap, const char *);
- assert (item->psz_oldname == NULL);
- item->psz_oldname = oldname ? strdup (oldname) : NULL;
- break;
- }
-
case VLC_CONFIG_SAFE:
item->b_safe = true;
break;
va_end (ap);
return ret;
}
+
+/**
+ * Runs a plug-in descriptor. This loads the plug-in meta-data in memory.
+ */
+module_t *vlc_plugin_describe (vlc_plugin_cb entry)
+{
+ module_t *module = NULL;
+
+ if (entry (vlc_plugin_setter, &module) != 0)
+ {
+ if (module != NULL) /* partially initialized plug-in... */
+ vlc_module_destroy (module);
+ module = NULL;
+ }
+ return module;
+}
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