151 lines
3.6 KiB
JavaScript
151 lines
3.6 KiB
JavaScript
/* jslint node: true */
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'use strict';
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var ansi = require('./ansi_term.js');
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var theme = require('./theme.js');
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var moduleUtil = require('./module_util.js');
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var Config = require('./config.js').config;
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var assert = require('assert');
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var util = require('util');
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exports.connectEntry = connectEntry;
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function ansiQueryTermSizeIfNeeded(client, cb) {
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if(client.term.termHeight > 0 || client.term.termWidth > 0) {
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cb(true);
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return;
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}
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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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var cprListener = function(pos) {
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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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done(true);
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return;
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}
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assert(2 === pos.length);
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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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client.log.warn(
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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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done(false);
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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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client.log.debug(
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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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done(true);
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};
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client.once('cursor position report', cprListener);
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// give up after 2s
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var giveUpTimer = setTimeout(function onTimeout() {
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done(false);
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}, 2000);
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// This causes
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client.term.rawWrite(ansi.queryScreenSize());
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}
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function prepareTerminal(term) {
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term.rawWrite(ansi.normal());
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term.rawWrite(ansi.disableVT100LineWrapping());
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// :TODO: set xterm stuff -- see x84/others
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}
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function displayBanner(term) {
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// :TODO: add URL(s) to banner
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term.pipeWrite(
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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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'|00|33Copyright (c) 2014-2015 Bryan Ashby |33|01- |31|01http://l33t.codes/\n' +
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'|00');
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}
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function connectEntry(client, nextMenu) {
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var term = client.term;
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/*
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theme.displayThemeArt({client : client, name : 'DM-ENIG.ANS'}, function onArt() {
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return;
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});
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*/
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/*
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var iconv = require('iconv-lite');
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var art1 = require('fs').readFileSync('/home/nuskooler/dev/enigma-bbs/mods/art/DM-ENIG.ANS');
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console.log(typeof art1);
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art1 = iconv.decode(art1, 'cp437');
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console.log(typeof art1)
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term.output.write(art1);
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//term.output.write(require('iconv-lite').encode(art1, 'CP437'));
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return;
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*/
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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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//
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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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// :TODO: PuTTY will apparently respond with "PuTTY" if a CTRL-E is sent to it
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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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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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client.log.warn('Failed to negotiate term size; Defaulting to 80x25!');
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term.termHeight = 25;
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term.termWidth = 80;
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}
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prepareTerminal(term);
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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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setTimeout(function onTimeout() {
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client.gotoMenuModule( { name : nextMenu } );
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}, 500);
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});
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}
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