/*
* Add or update an entry into the Mappings Database
*/
int
SDL_GameControllerAddMapping(const char *mappingString)
{
char *pchGUID;
char *pchName;
char *pchMapping;
SDL_JoystickGUID jGUID;
ControllerMapping_t *pControllerMapping;
SDL_bool is_xinput_mapping = SDL_FALSE;
pchGUID = SDL_PrivateGetControllerGUIDFromMappingString(mappingString);
if (!pchGUID) {
return SDL_SetError("Couldn't parse GUID from %s", mappingString);
}
if (!SDL_strcasecmp(pchGUID, "xinput")) {
is_xinput_mapping = SDL_TRUE;
}
jGUID = SDL_JoystickGetGUIDFromString(pchGUID);
SDL_free(pchGUID);
pchName = SDL_PrivateGetControllerNameFromMappingString(mappingString);
if (!pchName) {
return SDL_SetError("Couldn't parse name from %s", mappingString);
}
pchMapping = SDL_PrivateGetControllerMappingFromMappingString(mappingString);
if (!pchMapping) {
SDL_free(pchName);
return SDL_SetError("Couldn't parse %s", mappingString);
}
pControllerMapping = SDL_PrivateGetControllerMappingForGUID(&jGUID);
if (pControllerMapping) {
/* Update existing mapping */
SDL_free(pControllerMapping->name);
pControllerMapping->name = pchName;
SDL_free(pControllerMapping->mapping);
pControllerMapping->mapping = pchMapping;
/* refresh open controllers */
SDL_PrivateGameControllerRefreshMapping(pControllerMapping);
return 0;
} else {
pControllerMapping = SDL_malloc(sizeof(*pControllerMapping));
if (!pControllerMapping) {
SDL_free(pchName);
SDL_free(pchMapping);
return SDL_OutOfMemory();
}
if (is_xinput_mapping) {
s_pXInputMapping = pControllerMapping;
}
pControllerMapping->guid = jGUID;
pControllerMapping->name = pchName;
pControllerMapping->mapping = pchMapping;
pControllerMapping->next = s_pSupportedControllers;
s_pSupportedControllers = pControllerMapping;
return 1;
}
}
/*
* Helper function to add a mapping for a guid
*/
static ControllerMapping_t *
SDL_PrivateAddMappingForGUID(SDL_JoystickGUID jGUID, const char *mappingString, SDL_bool *existing, SDL_ControllerMappingPriority priority)
{
char *pchName;
char *pchMapping;
ControllerMapping_t *pControllerMapping;
pchName = SDL_PrivateGetControllerNameFromMappingString(mappingString);
if (!pchName) {
SDL_SetError("Couldn't parse name from %s", mappingString);
return NULL;
}
pchMapping = SDL_PrivateGetControllerMappingFromMappingString(mappingString);
if (!pchMapping) {
SDL_free(pchName);
SDL_SetError("Couldn't parse %s", mappingString);
return NULL;
}
pControllerMapping = SDL_PrivateGetControllerMappingForGUID(&jGUID);
if (pControllerMapping) {
/* Only overwrite the mapping if the priority is the same or higher. */
if (pControllerMapping->priority <= priority) {
/* Update existing mapping */
SDL_free(pControllerMapping->name);
pControllerMapping->name = pchName;
SDL_free(pControllerMapping->mapping);
pControllerMapping->mapping = pchMapping;
pControllerMapping->priority = priority;
/* refresh open controllers */
SDL_PrivateGameControllerRefreshMapping(pControllerMapping);
}
*existing = SDL_TRUE;
} else {
pControllerMapping = SDL_malloc(sizeof(*pControllerMapping));
if (!pControllerMapping) {
SDL_free(pchName);
SDL_free(pchMapping);
SDL_OutOfMemory();
return NULL;
}
pControllerMapping->guid = jGUID;
pControllerMapping->name = pchName;
pControllerMapping->mapping = pchMapping;
pControllerMapping->next = s_pSupportedControllers;
pControllerMapping->priority = priority;
s_pSupportedControllers = pControllerMapping;
*existing = SDL_FALSE;
}
return pControllerMapping;
}
