sbbs/mods/ansitex.js

// Load many SBBS definitions
load('sbbsdefs.js');
// Load text.dat defintions
load('text.js');

// Enable to manipulate the ANSI terminal
ansiterm = load({},'ansiterm_lib.js');

// Ansitex specific includes
load('texdefs.js');
load('texfuncs.js');

while(bbs.online) {
	var mode = false;						// Initial mode
	var next_page = { frame: 98,index: 'b' };	// Start Frame
	var action = ACTION_GOTO;				// Initial action
	var inkey_timeout = 600000;				// Timeout waiting for input @todo required? check if idle timetout occurs
	var fo = null;							// Current Frame
	var history = [];						// Page history
	ansiterm.send('ext_mode','clear','cursor');

	while (action != ACTION_TERMINATE) {
		bbs.nodesync(false);				// @todo Stop the display of telegrams
		read = '';
		if (action == false) {
			read = console.inkey(K_NONE,inkey_timeout);
		}
		system.node_list[bbs.node_num-1].action=0xff;	// to ensure our node status is updated correctly
		inkey_timeout = 60000;				// Set our key timeout to 60s
		log(LOG_DEBUG,'READ: ['+read+']');

		log(LOG_DEBUG,'MODE START: ['+read+']');
		switch (mode) {
			case false:
				log(LOG_DEBUG,'- false: ['+read+']');
				cmd='';

				switch (read) {
					case '*': action = ACTION_STAR
						break;

					// Frame Routing
					case '0':
					case '1':
					case '2':
					case '3':
					case '4':
					case '5':
					case '6':
					case '7':
					case '8':
					case '9':
						if (fo.key[read]) {
							next_page = { frame: fo.key[read] };
							action = ACTION_GOTO;
							log(LOG_DEBUG,'- false: Key ['+read+'] ['+pageStr(next_page)+']');

						} else {
							sendBaseline(ERR_ROUTE,false);
						}

						break;

					case '#':
						if (frame.index !== 'z') {
							next_page = { frame: fo.frame, index: String.fromCharCode(fo.index.charCodeAt(0)+1) };
							action = ACTION_GOTO;

						} else {
							sendBaseline(ERR_ROUTE,false);
						}
						break;
				}

				break;

			// Command input on bottom line
			case MODE_BL:
				log(LOG_DEBUG,'- MODE_BL: ['+read+']');
				if (read.match(/[0-9]/)) {
					cmd += read;
					console.write(read);
				}

				// @todo check if CTRL_H is required?
				if ((read == CTRL_H || read == KEY_DEL) && cmd.length) {
					console.backspace();
					cmd = cmd.substring(0,cmd.length-1);
				}

				if (cmd == '00') {
					action = ACTION_RELOAD;
					cmd = '';
					cursorOff();
					break;
				}

				// Edit specific frame
				if (cmd.match(/^04/) && read.match(/[a-z]/)) {
					// @todo
					mode = action = false;
					cmd = '';
					cursorOff();
					sendBaseline(ERR_NOT_IMPLEMENTED,false);
					break;
				}

				// Bookmark frame
				if (cmd == '05') {
					// @todo
					mode = action = false;
					cmd = '';
					cursorOff();
					sendBaseline(ERR_NOT_IMPLEMENTED,false);
					break;
				}

				// Report Problem
				if (cmd == '08') {
					// @todo
					mode = action = false;
					cmd = '';
					cursorOff();
					sendBaseline(ERR_NOT_IMPLEMENTED,false);
					break;
				}

				// Reload frame
				if (cmd == '09') {
					// @todo
					action = ACTION_GOTO;
					cmd = '';
					cursorOff();
					next_page = { frame: fo.frame, index: fo.index};
					break;
				}

				// Another star aborts the command
				if (read == '*') {
					mode = action = false;
					sendBaseline('',false);
					cmd = '';
					cursorOff();

					// @todo If we are editing a field...
				}

				if (read == '#' || read == '\r') {
					// Nothing typed between * and #
					// *# means go back
					if (cmd == '') {
						mode = false;
						cursorOff();
						sendBaseline('',false);
						action = ACTION_BACKUP;

					} else if (cmd == '0') {
						next_page = { frame: 1 };	// @todo specify home page in config
						action = ACTION_GOTO;

					// Edit frame
					} else if (cmd == '04') {
						sendBaseline(ERR_NOT_IMPLEMENTED,false);

					} else {
						next_page = { frame: cmd };
						action = ACTION_GOTO;
					}

					// Clear the command we are finished processing...
					cursorOff();
					cmd = '';
					mode = false;
				}

				break;

				// @todo MODE_CONTROL

			default:
				log(LOG_DEBUG,'- SHOULDNT GET HERE: ['+read+']');
		}
		log(LOG_DEBUG,'MODE END: ['+read+']');

		log(LOG_DEBUG,'ACTION START: ['+read+']');
		switch (action) {
			// Start command entry
			case ACTION_STAR:
				log(LOG_DEBUG,'- ACTION_STAR: ['+(next_page ? pageStr(next_page) : '')+']');

				// @todo If something on the baseline preserve it

				ansiterm.send('ext_mode','set','cursor');
				sendBaseline('\1N\1G\1H*',true);
				action = false;
				mode = MODE_BL;

				bbs.replace_text(NodeActionRetrieving,'\1h%s \1n\1gJumping to page');
				bbs.node_action=NODE_RFSD;

				break;

			// GO Backwards
			case ACTION_BACKUP:
				// Do we have anywhere to go, drop the current page from the history.
				if (history.length > 1)
					history.pop();

				// @todo If in control...

				next_page = (history.length > 0) ? history[history.length-1] : null;

				log(LOG_DEBUG,'- ACTION_BACKUP: Backing up to ['+(next_page ? pageStr(next_page) : '')+'] current ['+fo.page+']');

				// If there is no next page, we'll ignore the request.
				if (! next_page || (pageStr(next_page) == fo.page)) {
					action = false;
					break;
				}

			// Goto specific page
			case ACTION_GOTO:
				log(LOG_DEBUG,'- ACTION_GOTO: ['+(next_page ? pageStr(next_page) : '')+']');

				if (next_page !== null) {
					current = fo;
					fo = getFrame(next_page);
					if (! fo) {
						fo = current;
						// sendbaseline ERR_PAGE
						sendBaseline(ERR_ROUTE,false);
						mode = action = false;
						break;
					}
					current = null;
				}

				if (fo.isPublic && fo.isAccessible) {
					// @todo if its a login frame and the user is already member of CUG, display error
					if (false) {
						// baseline USER_ALREADY_MEMBER
						break;
					}

				} else {
					// @todo if user is not the owner
					if (false) {
						// @todo if frame is not accessible
						if (false) {
							// baseline ACCESS_DENIED
							break;
						}

						// @todo if user not a member
						if (false) {
							// baseline ACCESS_DENIED_NOT_IN_CUG
							break;
						}
					}
				}

				log(LOG_DEBUG,'- ACTION_GOTO: next_page ['+JSON.stringify(next_page)+'] last history ['+JSON.stringify(history[history.length-1])+']');

				// Record our history
				if (next_page && (! history.length || (pageStr(history[history.length-1]) != pageStr(next_page)))) {
					// Ignore the login frames
					if (LOGIN_FRAMES.indexOf(pageStr(next_page)) == -1) {
						history.push(next_page);
						log(LOG_DEBUG,'- ACTION_GOTO: Added to history ['+(next_page ? pageStr(next_page) : '')+'] now ['+history.length+']');
					}
				}

				next_page = null;

			case ACTION_RELOAD:
				log(LOG_DEBUG,'- ACTION_RELOAD: ['+(next_page ? pageStr(next_page) : '')+']');

				// Clear the baseline history
				// $this->sendBaseline($client,'');
				// $current['baseline'] = '';
				console.line_counter=0;	// @todo fix to suppress a pause that is occurring before clear()
				console.clear();

				switch(fo.type) {
					// Terminate frame
					case FRAME_TYPE_TERMINATE:
						console.putmsg(fo.render());
						bbs.hangup();
						exit();

					// External Frame
					// @todo returning from the frame, go to the 0 key if it is set
					case FRAME_TYPE_EXTERNAL:
						log(LOG_DEBUG,'- ACTION_GOTO: EXTERNAL ['+JSON.stringify(fo.raw())+']');

						switch(fo.raw()) {
							case 'bbs.user_config()':
							case 'bbs.read_mail(MAIL_YOUR)':
							case 'bbs.scan_subs(SCAN_NEW)':
							case 'bbs.scan_posts()':
							case 'bbs.post_msg()':
								eval(fo.raw());

								// Check and see if our shell was changed
								if (user.command_shell != 'ansitex') {
									exit();
								}

								action = ACTION_BACKUP;
								break;

							default:
								console.putmsg(JSON.stringify(fo.raw()));
								sendBaseline(ERR_ROUTE,false);
								action = false;
								break;
						}

						mode = false;
						break;

					// Standard Frame
					case FRAME_TYPE_INFO:
					default:
						console.putmsg(fo.render());
						mode = action = false;
						break;

					// Active frame
				}

				bbs.replace_text(NodeActionMain,'\1h%s \1nViewing \1h*'+fo.frame+'#\1n ['+fo.index+']');
				bbs.log_str(fo.page+'|');
				bbs.node_action=NODE_MAIN;
				break;
		}
		log(LOG_DEBUG,'ACTION END: ['+read+']');
	}
}