2014-10-17 02:21:06 +00:00
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/* jslint node: true */
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'use strict';
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2014-10-31 04:59:21 +00:00
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var ansi = require('./ansi_term.js');
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2015-06-30 19:04:58 +00:00
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2014-10-31 04:59:21 +00:00
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var assert = require('assert');
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2014-10-17 02:21:06 +00:00
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2014-10-31 04:59:21 +00:00
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exports.connectEntry = connectEntry;
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2014-10-17 02:21:06 +00:00
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2015-05-16 05:02:58 +00:00
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function ansiQueryTermSizeIfNeeded(client, cb) {
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2014-10-29 11:30:20 +00:00
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if(client.term.termHeight > 0 || client.term.termWidth > 0) {
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2015-05-16 05:02:58 +00:00
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cb(true);
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2014-10-29 11:30:20 +00:00
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return;
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}
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2015-07-23 04:09:52 +00:00
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var done = function(res) {
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client.removeListener('cursor position report', cprListener);
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clearTimeout(giveUpTimer);
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cb(res);
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};
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2015-05-16 05:02:58 +00:00
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var cprListener = function(pos) {
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2014-10-29 11:30:20 +00:00
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//
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// If we've already found out, disregard
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//
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if(client.term.termHeight > 0 || client.term.termWidth > 0) {
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2015-07-23 04:09:52 +00:00
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done(true);
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2014-10-29 11:30:20 +00:00
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return;
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}
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2014-10-31 04:59:21 +00:00
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assert(2 === pos.length);
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2015-05-16 05:02:58 +00:00
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var h = pos[0];
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var w = pos[1];
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//
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// Netrunner for example gives us 1x1 here. Not really useful. Ignore
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// values that seem obviously bad.
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//
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if(h < 10 || w < 10) {
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2015-07-04 21:21:50 +00:00
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client.log.warn(
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2015-05-16 05:02:58 +00:00
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{ height : h, width : w },
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'Ignoring ANSI CPR screen size query response due to very small values');
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2015-07-23 04:09:52 +00:00
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done(false);
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2015-05-16 05:02:58 +00:00
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return;
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}
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client.term.termHeight = h;
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client.term.termWidth = w;
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2014-10-29 11:30:20 +00:00
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2015-07-04 21:21:50 +00:00
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client.log.debug(
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2015-05-16 05:02:58 +00:00
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{
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termWidth : client.term.termWidth,
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termHeight : client.term.termHeight,
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source : 'ANSI CPR'
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},
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'Window size updated'
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);
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2015-07-04 21:21:50 +00:00
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2015-07-23 04:09:52 +00:00
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done(true);
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2014-10-29 11:30:20 +00:00
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};
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2015-05-16 05:02:58 +00:00
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client.once('cursor position report', cprListener);
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2014-10-29 11:30:20 +00:00
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// give up after 2s
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2015-07-23 04:09:52 +00:00
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var giveUpTimer = setTimeout(function onTimeout() {
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done(false);
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2014-10-29 11:30:20 +00:00
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}, 2000);
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2014-10-17 02:21:06 +00:00
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2015-07-23 04:09:52 +00:00
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// This causes
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2015-08-20 04:10:18 +00:00
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client.term.rawWrite(ansi.queryScreenSize());
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2014-10-29 11:30:20 +00:00
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}
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2014-10-31 04:59:21 +00:00
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function prepareTerminal(term) {
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2015-08-20 04:10:18 +00:00
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term.rawWrite(ansi.normal());
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term.rawWrite(ansi.disableVT100LineWrapping());
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2014-10-17 02:21:06 +00:00
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// :TODO: set xterm stuff -- see x84/others
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2014-10-31 04:59:21 +00:00
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}
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2014-10-17 02:21:06 +00:00
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2014-10-31 04:59:21 +00:00
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function displayBanner(term) {
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2015-08-27 22:14:56 +00:00
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term.pipeWrite(
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2015-09-11 03:01:04 +00:00
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'|33Conected to |32EN|33|01i|00|32|22GMA|32|01½|00 |33BBS version|31|01 |VN\n' +
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2015-08-06 22:25:52 +00:00
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'|00|33Copyright (c) 2014-2015 Bryan Ashby |33|01- |31|01http://l33t.codes/\n' +
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2015-10-29 20:10:34 +00:00
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'|00|33Updates & source |01- |31|01https://github.com/NuSkooler/enigma-bbs/\n' +
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2015-09-11 03:01:04 +00:00
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'|00');
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2014-10-31 04:59:21 +00:00
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}
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2015-10-22 16:36:08 +00:00
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function connectEntry(client, nextMenu) {
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2014-10-31 04:59:21 +00:00
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var term = client.term;
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2015-07-04 22:03:44 +00:00
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// :TODO: Enthral for example queries cursor position & checks if it worked. This might be good
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// :TODO: How to detect e.g. if show/hide cursor can work? Probably can if CPR is avail
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2015-07-07 04:37:11 +00:00
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//
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// Some terminal clients can be detected using a nonstandard ANSI DSR
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//
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term.rawWrite(ansi.queryDeviceAttributes(0));
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2015-10-29 20:10:34 +00:00
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// :TODO: PuTTY will apparently respond with "PuTTY" if a CTRL-E is sent to it. Add in detection.
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2015-07-07 04:37:11 +00:00
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2014-10-31 04:59:21 +00:00
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//
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// If we don't yet know the client term width/height,
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// try with a nonstandard ANSI DSR type request.
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//
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2015-05-16 05:02:58 +00:00
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ansiQueryTermSizeIfNeeded(client, function ansiCprResult(result) {
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if(!result) {
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//
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// We still don't have something good for term height/width.
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// Default to DOS size 80x25.
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//
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// :TODO: Netrunner is currenting hitting this and it feels wrong. Why is NAWS/ENV/CPR all failing???
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2015-07-04 21:21:50 +00:00
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client.log.warn('Failed to negotiate term size; Defaulting to 80x25!');
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2015-05-16 05:02:58 +00:00
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term.termHeight = 25;
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term.termWidth = 80;
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}
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2014-10-31 04:59:21 +00:00
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2015-05-16 05:02:58 +00:00
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prepareTerminal(term);
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2015-04-19 08:13:13 +00:00
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2015-05-16 05:02:58 +00:00
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//
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// Always show a ENiGMA½ banner
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//
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displayBanner(term);
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2014-10-17 02:21:06 +00:00
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2015-05-16 05:02:58 +00:00
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setTimeout(function onTimeout() {
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2015-11-04 06:15:49 +00:00
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client.menuStack.goto(nextMenu);
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2015-05-16 05:02:58 +00:00
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}, 500);
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});
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2014-10-17 02:21:06 +00:00
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}
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