gboolean
tf_cond_prepare(LogTemplateFunction *self, LogTemplate *parent, gint argc, gchar *argv[], gpointer *state, GDestroyNotify *state_destroy, GError **error)
{
TFCondState *args;
CfgLexer *lexer;
gint i;
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
args = g_malloc0(sizeof(TFCondState) + (argc - 1) * sizeof(LogTemplate *));
args->argc = argc - 1;
lexer = cfg_lexer_new_buffer(argv[0], strlen(argv[0]));
if (!cfg_run_parser(parent->cfg, lexer, &filter_expr_parser, (gpointer *) &args->filter, NULL))
{
g_set_error(error, LOG_TEMPLATE_ERROR, LOG_TEMPLATE_ERROR_COMPILE, "Error parsing conditional filter expression");
goto error;
}
for (i = 1; i < argc; i++)
{
args->argv[i - 1] = log_template_new(parent->cfg, NULL);
log_template_set_escape(args->argv[i - 1], TRUE);
if (!log_template_compile(args->argv[i - 1], argv[i], error))
goto error;
}
*state = args;
*state_destroy = (GDestroyNotify) tf_cond_free_state;
return TRUE;
error:
tf_cond_free_state(args);
return FALSE;
}
gboolean
tf_simple_func_prepare(LogTemplateFunction *self, gpointer s, LogTemplate *parent, gint argc, gchar *argv[],
GError **error)
{
TFSimpleFuncState *state = (TFSimpleFuncState *) s;
gint i;
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
state->argv = g_malloc(sizeof(LogTemplate *) * (argc - 1));
/* NOTE: the argv argument con tains the function name as argv[0],
* but the LogTemplate array doesn't. Thus the index is shifted by
* one. */
for (i = 0; i < argc - 1; i++)
{
state->argv[i] = log_template_new(parent->cfg, NULL);
log_template_set_escape(state->argv[i], parent->escape);
if (!log_template_compile(state->argv[i], argv[i + 1], error))
goto error;
}
state->argc = argc - 1;
return TRUE;
error:
return FALSE;
}
