ConstAction ConstAction::lookup(
Engine engine,
const char* name,
size_t name_length
)
{
const ib_action_t* action;
throw_if_error(
ib_action_lookup(
engine.ib(),
name, name_length,
&action
)
);
return ConstAction(action);
}
ib_status_t ib_action_inst_create(
ib_action_inst_t **act_inst,
ib_mm_t mm,
ib_context_t *ctx,
const char *action_name,
const char *parameters
)
{
assert(action_name != NULL);
assert(act_inst != NULL);
assert(ctx != NULL);
assert(ctx->ib != NULL);
const ib_action_t *action;
ib_action_inst_t *local_action_inst = NULL;
ib_status_t rc;
rc = ib_action_lookup(ctx->ib, action_name, strlen(action_name), &action);
if (rc != IB_OK) {
return rc;
}
local_action_inst =
(ib_action_inst_t *)ib_mm_alloc(mm, sizeof(*local_action_inst));
if (local_action_inst == NULL) {
return IB_EALLOC;
}
if (parameters != NULL) {
local_action_inst->parameters = ib_mm_strdup(mm, parameters);
if (local_action_inst->parameters == NULL) {
return IB_EALLOC;
}
}
else {
local_action_inst->parameters = NULL;
}
local_action_inst->action = action;
if (action->create_fn == NULL) {
local_action_inst->instance_data = NULL;
}
else {
rc = action->create_fn(
mm,
ctx,
parameters,
&(local_action_inst->instance_data),
action->create_cbdata
);
if (rc != IB_OK) {
return rc;
}
}
if (action->destroy_fn != NULL) {
/* Register the destroy function. */
rc = ib_mm_register_cleanup(mm, cleanup_action, local_action_inst);
if (rc != IB_OK) {
return rc;
}
}
*act_inst = local_action_inst;
return IB_OK;
}
