Add:Core:New xml tag for adding scripts to objects

git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@5503 ffa7fe5e-494d-0410-b361-a75ebd5db220

1 files changed, 100 insertions, 0 deletions

diff --git a/navit/script.c b/navit/script.c
new file mode 100644
index 000000000..f9d395047
--- /dev/null
+++ b/navit/script.c
@@ -0,0 +1,100 @@
+/**
+ * Navit, a modular navigation system.
+ * Copyright (C) 2005-2012 Navit Team
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terscr of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ */
+
+#include <glib.h>
+#include "item.h"
+#include "debug.h"
+#include "event.h"
+#include "callback.h"
+#include "xmlconfig.h"
+
+struct script
+{
+	NAVIT_OBJECT
+	char *text;
+	struct callback *cb;
+	struct event_timeout *timeout;
+};
+
+static void
+script_run(struct script *scr)
+{
+	struct attr *xml_text=attr_search(scr->attrs, NULL, attr_xml_text);
+	if (!xml_text || !xml_text->u.str) {
+		dbg(0,"no text\n");
+		return;
+	}
+	dbg(0,"running '%s'\n",xml_text->u.str);
+}
+
+static int
+script_set_attr_int(struct script *scr, struct attr *attr)
+{
+	switch (attr->type) {
+	case attr_update_period:
+		if (scr->timeout)
+			event_remove_timeout(scr->timeout);
+		scr->timeout=event_add_timeout(attr->u.num, 1, scr->cb);
+		return 1;
+	default:
+		return 0;
+	}
+}
+
+struct script *
+script_new(struct attr *parent, struct attr **attrs)
+{
+	struct script *scr=g_new0(struct script, 1);
+	scr->func=&script_func;
+	navit_object_ref((struct navit_object *)scr);
+	scr->attrs=attr_list_dup(attrs);
+	attrs=scr->attrs;
+	scr->cb=callback_new_1(callback_cast(script_run), scr);
+	while (attrs && *attrs) 
+		script_set_attr_int(scr, *attrs++);
+	dbg(0,"return %p\n",scr);
+	return scr;
+}
+
+void
+script_destroy(struct script *scr)
+{
+	dbg(0,"enter %p\n",scr);
+	if (scr->timeout)
+		event_remove_timeout(scr->timeout);
+	callback_destroy(scr->cb);
+	attr_list_free(scr->attrs);
+	g_free(scr);
+}
+
+struct object_func script_func = {
+	attr_script,
+	(object_func_new)script_new,
+	(object_func_get_attr)navit_object_get_attr,
+	(object_func_iter_new)navit_object_attr_iter_new,
+	(object_func_iter_destroy)navit_object_attr_iter_destroy,
+	(object_func_set_attr)navit_object_set_attr,
+	(object_func_add_attr)navit_object_add_attr,
+	(object_func_remove_attr)navit_object_remove_attr,
+	(object_func_init)NULL,
+	(object_func_destroy)script_destroy,
+	(object_func_dup)NULL,
+	(object_func_ref)navit_object_ref,
+	(object_func_unref)navit_object_unref,
+};