New module to execute .mnu files (created/edited with menuedit).

exec/menu.js

+// menu.js
+
+// Execute a Synchronet v3.11c menu (.mnu) file
+
+load("sbbsdefs.js");
+
+var menu_stack = new Array();
+var pop_count = 0;
+
+menu(argv[0]);
+
+function isdigit(ch)
+{
+	var val = ascii(ch.toUpperCase());
+
+	return(val>=ascii('0') && val<=ascii('9'));
+}
+
+function menu(fname)
+{
+	if(!fname) {
+		alert(log("!No menu file specified"));
+		return(false);
+	}
+
+	if(!file_getext(fname))
+		fname += ".mnu";
+
+	// Is menu already running (on stack)? If so, pop contexts to return to it
+	for(var i in menu_stack)
+		if(menu_stack[i].toUpperCase()==fname.toUpperCase()) {
+			pop_count=menu_stack.length-(i+1);
+			return;
+		}
+
+	var file = new File(system.exec_dir + fname);
+	if(!file.open("r")) {
+		alert(log("!ERROR " + file.error + " opening " + fname));
+		return(false);
+	}
+
+	menu_stack.push(fname);
+
+	// Global options
+	var section = null;	// "root" section
+	var prompt = file.iniGetValue(section,"prompt","'Command: '");
+	var menu_file = file.iniGetValue(section,"menu_file");
+	var menu_fmt  = file.iniGetValue(section,"menu_format", "\1n\1h\1w%s \1b%s");
+	var menu_colwidth = file.iniGetValue(section,"menu_column_width", 39);
+	var menu_reverse = file.iniGetValue(section, "menu_reverse", false);
+
+	var hotkeys = file.iniGetValue(section,"hotkeys",true);
+	var hotkey_ext = file.iniGetValue(section,"hotkey_ext");
+
+	var maxnum = file.iniGetValue(section,"maxnum",0);
+	var num_exec = file.iniGetValue(section,"num_exec");
+
+	var expert = file.iniGetValue(section,"expert",true);
+	var show_menu = file.iniGetValue(section,"show_menu",false);
+
+	var exec = file.iniGetValue(section,"exec");
+
+	// Commands
+	var command = file.iniGetAllObjects("key");
+
+	file.close();
+
+	var done = false;
+
+	while(bbs.online && !done) {
+		if(pop_count) {
+			pop_count--;
+			break;
+		}
+		var cmd_keys="";
+		var cmd_list=new Array();
+		if(hotkey_ext)
+			cmd_keys+=hotkey_ext;
+		for(i in command) {
+			if(command[i].ars && !user.compare_ars(command[i].ars))
+				continue;
+			cmd_keys+=command[i].key;
+			cmd_list.push(command[i]);
+		}
+
+		if(show_menu || !expert || !(user.settings&USER_EXPERT)) {
+			if(menu_file)	/* static menu */
+				bbs.menu(menu_file);
+			else {			/* dynamic menu */
+				var column=0;
+				for(var i in cmd_list) {
+					if(cmd_list[i].description) {
+						if(column+menu_colwidth>=console.screen_columns)
+							console.crlf(), column=0;
+						var str=format(menu_fmt
+							,menu_reverse ? cmd_list[i].description : cmd_list[i].key.toUpperCase()
+							,menu_reverse ? cmd_list[i].key.toUpperCase() : cmd_list[i].description);
+						console.putmsg(str);
+						console.right(menu_colwidth-console.strlen(str));
+						if(console.strlen(str)>menu_colwidth)
+							column+=console.strlen(str);
+						else
+							column+=menu_colwidth;
+					}
+				}
+			}
+			show_menu = false;
+		}
+		bbs.nodesync();
+		console.aborted=false;
+		if(exec)
+			eval(exec);
+
+		console.putmsg(eval(prompt));
+
+		var cmd;
+		if(hotkeys)
+			console.write(cmd=console.getkey(K_UPPER));
+		else
+			cmd=console.getstr(K_UPPER);
+
+		if(cmd==undefined)
+			continue;
+
+		if(isdigit(cmd) && num_exec) {
+			if(parseInt(cmd)*10 > maxnum)
+				eval(num_exec);
+			continue;
+		}
+
+		if(hotkeys && cmd.toUpperCase()==hotkey_ext)
+			cmd+=console.getkey();
+
+		print();
+
+		for(var i in cmd_list)
+			if(cmd_list[i].key.toUpperCase() == String(cmd).toUpperCase())
+				eval(cmd_list[i].exec);
+	}
+
+	menu_stack.pop();
+}