C++ (Cpp) mu_query_new примеры использования

Пример #1

Файл: mu-cmd-find.c Проект: abelardojarab/emacsfull

static MuQuery*
get_query_obj (MuStore *store, GError **err)
{
	MuQuery *mquery;
	unsigned count;

	count = mu_store_count (store, err);

	if (count == (unsigned)-1)
		return NULL;

	if (count == 0) {
		g_set_error (err, MU_ERROR_DOMAIN, MU_ERROR_XAPIAN_IS_EMPTY,
			     "the database is empty");
		return NULL;
	}

	if (!mu_store_versions_match (store)) {
		g_set_error (err, MU_ERROR_DOMAIN, MU_ERROR_XAPIAN_VERSION_MISMATCH,
			     "the database needs a rebuild");
		return NULL;
	}

	mquery = mu_query_new (store, err);
	if (!mquery)
		return NULL;

	return mquery;
}

Пример #2

Файл: mu-guile.c Проект: Neil-Smithline/mu

static gboolean
mu_guile_init_instance (const char *muhome)
{
	MuStore *store;
	MuQuery *query;
	GError *err;

	setlocale (LC_ALL, "");

	if (!mu_runtime_init (muhome, "guile"))
		return FALSE;

	store = mu_store_new_read_only (mu_runtime_path(MU_RUNTIME_PATH_XAPIANDB),
					&err);
	if (!store) {
		mu_guile_g_error (__FUNCTION__, err);
		g_clear_error (&err);
		return FALSE;
	}

	query = mu_query_new (store, &err);
	mu_store_unref (store);
	if (!query) {
		mu_guile_g_error (__FUNCTION__, err);
		g_clear_error (&err);
		return FALSE;
	}

	_singleton        = g_new0 (MuGuile, 1);
	_singleton->query = query;

	return TRUE;
}

Пример #3

Файл: mu-cmd-find.c Проект: Popsch/mu

static MuQuery*
get_query_obj (MuStore *store, GError **err)
{
	MuQuery *mquery;
	unsigned count;

	count = mu_store_count (store, err);

	if (count == (unsigned)-1)
		return NULL;

	if (count == 0) {
		g_set_error (err, MU_ERROR_DOMAIN, MU_ERROR_XAPIAN_IS_EMPTY,
			     "the database is empty");
		return NULL;
	}

	if (mu_store_needs_upgrade (store)) {
		g_set_error (err, MU_ERROR_DOMAIN, MU_ERROR_XAPIAN_NOT_UP_TO_DATE,
			     "the database is not up-to-date");
		return NULL;
	}

	mquery = mu_query_new (store, err);
	if (!mquery)
		return NULL;

	return mquery;
}

Пример #4

Файл: mu-cmd-server.c Проект: zakkak/mu

MuError
mu_cmd_server (MuStore *store, MuConfig *opts/*unused*/, GError **err)
{
	ServerContext ctx;
	gboolean do_quit;

	g_return_val_if_fail (store, MU_ERROR_INTERNAL);

	ctx.store = store;
	ctx.query = mu_query_new (store, err);
	if (!ctx.query)
		return MU_G_ERROR_CODE (err);

	srand (time(NULL)*getpid());

	install_sig_handler ();

	g_print (";; welcome to " PACKAGE_STRING "\n");

	/*  the main REPL */
	do_quit = FALSE;
	while (!MU_TERMINATE && !do_quit) {

		GHashTable	*args;
		GError		*my_err;

		/* args will receive a the command as a list of
		 * strings. returning NULL indicates an error */
		my_err = NULL;
		args   = read_command_line (&my_err);
		if (!args) {
			if (feof(stdin))
				break;
			if (my_err)
				print_and_clear_g_error (&my_err);
			continue;
		}

		switch (handle_args (&ctx, args, &my_err)) {
		case MU_OK:
			break;
		case MU_STOP:
			do_quit = TRUE;
			break;
		default: /* some error occurred */
			print_and_clear_g_error (&my_err);
		}

		g_hash_table_destroy (args);
	}

	mu_store_flush   (ctx.store);
	mu_query_destroy (ctx.query);

	return MU_OK;
}

Пример #5

Файл: mug-msg-list-view.c Проект: chrisklaiber/mu

static MuMsgIter *
run_query (const char *xpath, const char *query, MugMsgListView * self)
{
	GError *err;
	MuQuery *xapian;
	MuMsgIter *iter;
	MuStore *store;
	MuQueryFlags qflags;

	err = NULL;
	if (! (store = mu_store_new_read_only (xpath, &err)) ||
	    ! (xapian = mu_query_new (store, &err))) {
		if (store)
			mu_store_unref (store);
		g_warning ("Error: %s", err->message);
		g_signal_emit (G_OBJECT (self),
			       signals[MUG_ERROR_OCCURED], 0,
			       mu_result_to_mug_error (err->code));
		g_error_free (err);
		return NULL;
	}
	mu_store_unref (store);

	qflags =
		MU_QUERY_FLAG_DESCENDING         |
		MU_QUERY_FLAG_SKIP_UNREADABLE    |
		MU_QUERY_FLAG_SKIP_DUPS          |
		MU_QUERY_FLAG_THREADS;

	iter = mu_query_run (xapian, query, MU_MSG_FIELD_ID_DATE,
			     -1, qflags, &err);
	mu_query_destroy (xapian);
	if (!iter) {
		g_warning ("Error: %s", err->message);
		g_signal_emit (G_OBJECT (self),
			       signals[MUG_ERROR_OCCURED], 0,
			       mu_result_to_mug_error (err->code));
		g_error_free (err);
		return NULL;
	}

	return iter;
}