const NValue*
n_context_get_value (NContext *context, const char *key)
{
if (!context || !key)
return NULL;
return (const NValue*) n_proplist_get (context->values, key);
}
void
n_context_set_value (NContext *context, const char *key,
NValue *value)
{
NValue *old_value = NULL;
if (!context || !key)
return;
old_value = n_value_copy (n_proplist_get (context->values, key));
n_proplist_set (context->values, key, value);
n_context_broadcast_change (context, key, old_value, value);
n_value_free (old_value);
}
static void
n_core_match_event_rule_cb (const char *key, const NValue *value,
gpointer userdata)
{
NEventMatchResult *result = (NEventMatchResult*) userdata;
NRequest *request = result->request;
NValue *match_value = NULL;
const char *context_key = NULL;
const char *str = NULL;
if (result->skip_rest)
return;
/* assume positive result */
result->has_match = TRUE;
/* if the key has a context@ prefix, then we will lookup the value from
the current context. */
context_key = n_core_match_and_strip_prefix (key, "context@");
match_value = context_key ?
(NValue*) n_context_get_value (result->context, context_key) :
(NValue*) n_proplist_get (request->properties, key);
/* if match value has a *, then any value for request will do. */
str = n_value_get_string ((NValue*) value);
if (str && g_str_equal (str, "*"))
return;
/* the moment we find a key and value that does not match, we're done
here. */
if (!match_value || !n_value_equals (value, match_value)) {
result->has_match = FALSE;
result->skip_rest = TRUE;
}
}