2260 lines
50 KiB
JavaScript
2260 lines
50 KiB
JavaScript
/**
|
||
* Tput for node.js
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* Copyright (c) 2013, Christopher Jeffrey (MIT License)
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* https://github.com/chjj/blessed
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*/
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// Resources:
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// $ man term
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// $ man terminfo
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// http://invisible-island.net/ncurses/man/term.5.html
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// https://en.wikipedia.org/wiki/Terminfo
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||
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// Todo:
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// - xterm's XT (set-title capability?) value should
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// be true (at least tmux thinks it should).
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// It's not parsed as true. Investigate.
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// - Possibly switch to other method of finding the
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// extended data string table: i += h.symOffsetCount * 2;
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/**
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* Modules
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*/
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var assert = require('assert')
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, path = require('path')
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, fs = require('fs');
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/**
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* Tput
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*/
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function Tput(options) {
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if (!(this instanceof Tput)) {
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return new Tput(options);
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}
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options = options || {};
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if (typeof options === 'string') {
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options = { term: options };
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}
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this.options = options;
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this.terminal = options.term
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|| options.terminal
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|| process.env.TERM
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|| 'xterm';
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this.debug = options.debug;
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this.padding = options.padding;
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this.extended = options.extended;
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this.printf = options.printf;
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this.termcap = options.termcap;
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this.terminfoPrefix = options.terminfoPrefix;
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this.terminfoFile = options.terminfoFile;
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this.termcapFile = options.termcapFile;
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try {
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if (this.termcap) {
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this.compileTermcap();
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} else {
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this.compileTerminfo();
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}
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} catch (e) {
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||
// If there was an error, fallback
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||
// to an internally stored terminfo/cap.
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if (this.debug) {
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throw e;
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}
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this._useXtermI();
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}
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this.detectFeatures();
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}
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Tput.prototype.term = function(is) {
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return this.terminal.indexOf(is) === 0;
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};
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/**
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* Fallback
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*/
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Tput.prototype._useVt102C = function() {
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this.terminal = 'vt102';
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this.termcap = true;
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this.compileTermcap();
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};
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Tput.prototype._useXtermC = function() {
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this.terminal = 'xterm';
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this.termcap = true;
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this.termcapFile = __dirname + '/../usr/xterm.termcap';
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this.compileTermcap();
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};
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Tput.prototype._useXtermI = function() {
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this.terminal = 'xterm';
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this.termcap = false;
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this.terminfoFile = __dirname + '/../usr/xterm';
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this.compileTerminfo();
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};
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/**
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* Terminfo
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*/
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Tput.prototype.readTerminfo = function(data) {
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if (!data) {
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var file = this.terminfoFile
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|| this._terminfoPrefix(this.terminfoPrefix)
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|| this._terminfoPrefix(process.env.TERMINFO)
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|| this._terminfoPrefix(process.env.TERMINFO_DIRS)
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|| this._terminfoPrefix(process.env.HOME + '/.terminfo')
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|| this._terminfoPrefix('/usr/share/terminfo')
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|| this._terminfoPrefix('/usr/share/lib/terminfo')
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|| this._terminfoPrefix('/usr/lib/terminfo')
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|| this._terminfoPrefix('/usr/local/share/terminfo')
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|| this._terminfoPrefix('/usr/local/share/lib/terminfo')
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||
|| this._terminfoPrefix('/usr/local/lib/terminfo')
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|| this._terminfoPrefix('/usr/local/ncurses/lib/terminfo');
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||
data = fs.readFileSync(file);
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||
}
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||
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var info = this.parseTerminfo(data);
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if (this.debug) {
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this._terminfo = info;
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}
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return info;
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};
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Tput.prototype._terminfoPrefix = function(prefix) {
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if (!prefix) return;
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var file = path.resolve(
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prefix,
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path.basename(this.terminal[0]),
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path.basename(this.terminal)
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);
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||
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try {
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||
fs.statSync(file);
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return file;
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||
} catch (e) {
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;
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}
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};
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/**
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* Terminfo Parser
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||
* All shorts are little-endian
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*/
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||
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Tput.prototype.parseTerminfo = function(data) {
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||
var info = {}
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||
, l = data.length
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||
, i = 0
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, v
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||
, o;
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||
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||
var h = info.header = {
|
||
dataSize: data.length,
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||
headerSize: 12,
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||
magicNumber: (data[1] << 8) | data[0],
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||
namesSize: (data[3] << 8) | data[2],
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||
boolCount: (data[5] << 8) | data[4],
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||
numCount: (data[7] << 8) | data[6],
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||
strCount: (data[9] << 8) | data[8],
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||
strTableSize: (data[11] << 8) | data[10]
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||
};
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h.total = h.headerSize
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+ h.namesSize
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+ h.boolCount
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+ h.numCount * 2
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+ h.strCount * 2
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+ h.strTableSize;
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i += h.headerSize;
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// Names Section
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var names = data.toString('ascii', i, i + h.namesSize - 1)
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, parts = names.split('|')
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, name = parts[0]
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, desc = parts.pop();
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info.name = name;
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info.names = parts;
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||
info.desc = desc;
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i += h.namesSize - 1;
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// Names is nul-terminated.
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assert.equal(data[i], 0);
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||
i++;
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// Booleans Section
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// One byte for each flag
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||
// Same order as <term.h>
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info.bools = {};
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||
l = i + h.boolCount;
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o = 0;
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for (; i < l; i++) {
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v = Tput.bools[o++];
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||
info.bools[v] = data[i] === 1;
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||
}
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||
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||
// Null byte in between to make sure numbers begin on an even byte.
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||
if (i % 2) {
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||
assert.equal(data[i], 0);
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||
i++;
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||
}
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||
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||
// Numbers Section
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||
info.numbers = {};
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l = i + h.numCount * 2;
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o = 0;
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for (; i < l; i += 2) {
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v = Tput.numbers[o++];
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if (data[i + 1] === 0377 && data[i] === 0377) {
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info.numbers[v] = -1;
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||
} else {
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||
info.numbers[v] = (data[i + 1] << 8) | data[i];
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||
}
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||
}
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||
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||
// Strings Section
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info.strings = {};
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||
l = i + h.strCount * 2;
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||
o = 0;
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||
for (; i < l; i += 2) {
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||
v = Tput.strings[o++];
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||
if (data[i + 1] === 0377 && data[i] === 0377) {
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||
info.strings[v] = -1;
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||
} else {
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||
info.strings[v] = (data[i + 1] << 8) | data[i];
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||
}
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||
}
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||
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||
// String Table
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||
Object.keys(info.strings).forEach(function(key) {
|
||
if (info.strings[key] === -1) {
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||
delete info.strings[key];
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||
return;
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||
}
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||
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||
// Workaround: fix an odd bug in the screen-256color terminfo where it tries
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||
// to set -1, but it appears to have {0xfe, 0xff} instead of {0xff, 0xff}.
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||
// TODO: Possibly handle errors gracefully below, as well as in the
|
||
// extended info. Also possibly do: `if (info.strings[key] >= data.length)`.
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||
if (info.strings[key] === 65534) {
|
||
delete info.strings[key];
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||
return;
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||
}
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||
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||
var s = i + info.strings[key]
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||
, j = s;
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||
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while (data[j]) j++;
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assert(j < data.length);
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||
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||
info.strings[key] = data.toString('ascii', s, j);
|
||
});
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||
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||
// Extended Header
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||
if (this.extended) {
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||
i--;
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||
i += h.strTableSize;
|
||
if (i % 2) {
|
||
assert.equal(data[i], 0);
|
||
i++;
|
||
}
|
||
l = data.length;
|
||
if (i < l - 1) {
|
||
var extended = this.parseExtended(data.slice(i));
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||
info.header.extended = extended.header;
|
||
['bools', 'numbers', 'strings'].forEach(function(key) {
|
||
merge(info[key], extended[key]);
|
||
});
|
||
}
|
||
}
|
||
|
||
return info;
|
||
};
|
||
|
||
/**
|
||
* Extended Parsing
|
||
*/
|
||
|
||
// Some data to help understand:
|
||
|
||
// For xterm, non-extended header:
|
||
// { dataSize: 3270,
|
||
// headerSize: 12,
|
||
// magicNumber: 282,
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||
// namesSize: 48,
|
||
// boolCount: 38,
|
||
// numCount: 15,
|
||
// strCount: 413,
|
||
// strTableSize: 1388,
|
||
// total: 2342 }
|
||
|
||
// For xterm, header:
|
||
// Offset: 2342
|
||
// { header:
|
||
// { dataSize: 928,
|
||
// headerSize: 10,
|
||
// boolCount: 2,
|
||
// numCount: 1,
|
||
// strCount: 57,
|
||
// strTableSize: 117,
|
||
// lastStrTableOffset: 680,
|
||
// total: 245 },
|
||
|
||
// For xterm, layout:
|
||
// { header: '0 - 10', // length: 10
|
||
// bools: '10 - 12', // length: 2
|
||
// numbers: '12 - 14', // length: 2
|
||
// strings: '14 - 128', // length: 114 (57 short)
|
||
// symoffsets: '128 - 248', // length: 120 (60 short)
|
||
// stringtable: '248 - 612', // length: 364
|
||
// sym: '612 - 928' } // length: 316
|
||
//
|
||
// How lastStrTableOffset works:
|
||
// data.length - h.lastStrTableOffset === 248
|
||
// (sym-offset end, string-table start)
|
||
// 364 + 316 === 680 (lastStrTableOffset)
|
||
// How strTableSize works:
|
||
// h.strCount + [symOffsetCount] === h.strTableSize
|
||
// 57 + 60 === 117 (strTableSize)
|
||
// symOffsetCount doesn't actually exist in the header. it's just implied.
|
||
// Getting the number of sym offsets:
|
||
// h.symOffsetCount = h.strTableSize - h.strCount;
|
||
// h.symOffsetSize = (h.strTableSize - h.strCount) * 2;
|
||
|
||
Tput.prototype.parseExtended = function(data) {
|
||
var info = {}
|
||
, l = data.length
|
||
, i = 0;
|
||
|
||
var h = info.header = {
|
||
dataSize: data.length,
|
||
headerSize: 10,
|
||
boolCount: (data[i + 1] << 8) | data[i + 0],
|
||
numCount: (data[i + 3] << 8) | data[i + 2],
|
||
strCount: (data[i + 5] << 8) | data[i + 4],
|
||
strTableSize: (data[i + 7] << 8) | data[i + 6],
|
||
lastStrTableOffset: (data[i + 9] << 8) | data[i + 8]
|
||
};
|
||
|
||
// h.symOffsetCount = h.strTableSize - h.strCount;
|
||
|
||
h.total = h.headerSize
|
||
+ h.boolCount
|
||
+ h.numCount * 2
|
||
+ h.strCount * 2
|
||
+ h.strTableSize;
|
||
|
||
i += h.headerSize;
|
||
|
||
// Booleans Section
|
||
// One byte for each flag
|
||
var _bools = [];
|
||
l = i + h.boolCount;
|
||
for (; i < l; i++) {
|
||
_bools.push(data[i] === 1);
|
||
}
|
||
|
||
// Null byte in between to make sure numbers begin on an even byte.
|
||
if (i % 2) {
|
||
assert.equal(data[i], 0);
|
||
i++;
|
||
}
|
||
|
||
// Numbers Section
|
||
var _numbers = [];
|
||
l = i + h.numCount * 2;
|
||
for (; i < l; i += 2) {
|
||
if (data[i + 1] === 0377 && data[i] === 0377) {
|
||
_numbers.push(-1);
|
||
} else {
|
||
_numbers.push((data[i + 1] << 8) | data[i]);
|
||
}
|
||
}
|
||
|
||
// Strings Section
|
||
var _strings = [];
|
||
l = i + h.strCount * 2;
|
||
for (; i < l; i += 2) {
|
||
if (data[i + 1] === 0377 && data[i] === 0377) {
|
||
_strings.push(-1);
|
||
} else {
|
||
_strings.push((data[i + 1] << 8) | data[i]);
|
||
}
|
||
}
|
||
|
||
// Pass over the sym offsets and get to the string table.
|
||
i = data.length - h.lastStrTableOffset;
|
||
// Might be better to do this instead if the file has trailing bytes:
|
||
// i += h.symOffsetCount * 2;
|
||
|
||
// String Table
|
||
var high = 0;
|
||
_strings.forEach(function(offset, k) {
|
||
if (offset === -1) {
|
||
_strings[k] = '';
|
||
return;
|
||
}
|
||
|
||
var s = i + offset
|
||
, j = s;
|
||
|
||
while (data[j]) j++;
|
||
|
||
assert(j < data.length);
|
||
|
||
// Find out where the string table ends by
|
||
// getting the highest string length.
|
||
if (high < j - i) {
|
||
high = j - i;
|
||
}
|
||
|
||
_strings[k] = data.toString('ascii', s, j);
|
||
});
|
||
|
||
// Symbol Table
|
||
// Add one to the highest string length because we didn't count \0.
|
||
i += high + 1;
|
||
l = data.length;
|
||
|
||
var sym = []
|
||
, j;
|
||
|
||
for (; i < l; i++) {
|
||
j = i;
|
||
while (data[j]) j++;
|
||
sym.push(data.toString('ascii', i, j));
|
||
i = j;
|
||
}
|
||
|
||
// Identify by name
|
||
j = 0;
|
||
|
||
info.bools = {};
|
||
_bools.forEach(function(bool) {
|
||
info.bools[sym[j++]] = bool;
|
||
});
|
||
|
||
info.numbers = {};
|
||
_numbers.forEach(function(number) {
|
||
info.numbers[sym[j++]] = number;
|
||
});
|
||
|
||
info.strings = {};
|
||
_strings.forEach(function(string) {
|
||
info.strings[sym[j++]] = string;
|
||
});
|
||
|
||
// Should be the very last bit of data.
|
||
assert.equal(i, data.length);
|
||
|
||
return info;
|
||
};
|
||
|
||
Tput.prototype.compileTerminfo = function(info, inject) {
|
||
if (arguments.length === 0) {
|
||
info = this.readTerminfo();
|
||
}
|
||
return this.compile(info, inject);
|
||
};
|
||
|
||
/**
|
||
* Compiler - terminfo cap->javascript
|
||
*/
|
||
|
||
Tput.prototype.compile = function(info, inject) {
|
||
var self = this;
|
||
|
||
if (!info) {
|
||
throw new Error('Terminal not found.');
|
||
}
|
||
|
||
if (this.debug) {
|
||
console.log(info);
|
||
}
|
||
|
||
info.all = {};
|
||
info.methods = {};
|
||
|
||
['bools', 'numbers', 'strings'].forEach(function(type) {
|
||
Object.keys(info[type]).forEach(function(key) {
|
||
info.all[key] = info[type][key];
|
||
if (self.debug) {
|
||
console.log('Compiling %s: %s', key, JSON.stringify(info.all[key]));
|
||
}
|
||
info.methods[key] = self._compile(info.all[key], key);
|
||
});
|
||
});
|
||
|
||
Tput.bools.forEach(function(key) {
|
||
if (info.methods[key] == null) info.methods[key] = false;
|
||
});
|
||
|
||
Tput.numbers.forEach(function(key) {
|
||
if (info.methods[key] == null) info.methods[key] = -1;
|
||
});
|
||
|
||
Tput.strings.forEach(function(key) {
|
||
if (!info.methods[key]) info.methods[key] = noop;
|
||
});
|
||
|
||
Object.keys(info.methods).forEach(function(key) {
|
||
var alias = Tput.alias[key];
|
||
if (!alias) return;
|
||
if (!Array.isArray(alias)) alias = [alias];
|
||
alias.forEach(function(alias) {
|
||
if (info.methods[alias] && alias !== key && alias !== 'ML') {
|
||
// We can ignore `lines` and `ML` here.
|
||
throw new Error('Alias collision: ' + key + ' -> ' + alias);
|
||
}
|
||
info.methods[alias] = info.methods[key];
|
||
});
|
||
});
|
||
|
||
if (inject !== false) {
|
||
this.inject(info);
|
||
}
|
||
|
||
return info;
|
||
};
|
||
|
||
Tput.prototype.inject = function(info) {
|
||
var self = this
|
||
, methods = info.methods || info;
|
||
|
||
Object.keys(methods).forEach(function(key) {
|
||
if (typeof methods[key] !== 'function') {
|
||
self[key] = methods[key];
|
||
return;
|
||
}
|
||
self[key] = function() {
|
||
var args = Array.prototype.slice.call(arguments);
|
||
return methods[key].call(self, args);
|
||
};
|
||
});
|
||
|
||
this.info = info;
|
||
this.all = info.all;
|
||
this.methods = info.methods;
|
||
this.bools = info.bools;
|
||
this.numbers = info.numbers;
|
||
this.strings = info.strings;
|
||
};
|
||
|
||
Tput.prototype._compile = function(val, key) {
|
||
var self = this
|
||
, _val = val
|
||
, _key = key;
|
||
|
||
switch (typeof val) {
|
||
case 'boolean':
|
||
return val;
|
||
case 'number':
|
||
return val;
|
||
case 'string':
|
||
break;
|
||
default:
|
||
return noop;
|
||
}
|
||
|
||
if (!val) {
|
||
return noop;
|
||
}
|
||
|
||
var code = 'var v, dyn = {}, stat = {}, stack = [], out = "";'
|
||
, buff = ''
|
||
, cap;
|
||
|
||
var ch
|
||
, op
|
||
, i
|
||
, v
|
||
|
||
var fi
|
||
, then
|
||
, els
|
||
, end;
|
||
|
||
function clear() {
|
||
if (buff) {
|
||
echo(JSON.stringify(buff).replace(/\\u001b/g, '\\x1b'));
|
||
buff = '';
|
||
}
|
||
}
|
||
|
||
function read(regex) {
|
||
cap = regex.exec(val);
|
||
if (!cap) return;
|
||
val = val.substring(cap[0].length);
|
||
ch = op = i = v = cap[1];
|
||
clear();
|
||
return cap;
|
||
}
|
||
|
||
function stmt(c) {
|
||
if (code[code.length-1] === ',') {
|
||
code = code.slice(0, -1);
|
||
}
|
||
code += c;
|
||
}
|
||
|
||
function expr(c) {
|
||
code += c + ',';
|
||
}
|
||
|
||
function echo(c) {
|
||
expr('out += (' + c + ' || "")');
|
||
}
|
||
|
||
function print(c) {
|
||
echo('"' + c + '"');
|
||
}
|
||
|
||
function push(c) {
|
||
expr('(stack.push(v = ' + c + '), v)');
|
||
}
|
||
|
||
function pop(c) {
|
||
expr((c ? c + ' = ' : '') + 'stack.pop()');
|
||
}
|
||
|
||
while (val) {
|
||
// '\e' -> ^[
|
||
if (read(/^\\e/i)) {
|
||
print('\\x1b');
|
||
continue;
|
||
}
|
||
|
||
// '^A' -> ^A
|
||
if (read(/^\^(.)/i)) {
|
||
ch = ch.toUpperCase(); // ?
|
||
switch (ch) {
|
||
case '@':
|
||
ch = '\\x00';
|
||
break;
|
||
case '[':
|
||
ch = '\\x1b';
|
||
break;
|
||
case '\\':
|
||
ch = '\\x1c';
|
||
break;
|
||
case ']':
|
||
ch = '\\x1d';
|
||
break;
|
||
case '^':
|
||
ch = '\\x1e';
|
||
break;
|
||
case '_':
|
||
ch = '\\x1f';
|
||
break;
|
||
case '?':
|
||
ch = '\\x7f';
|
||
break;
|
||
default:
|
||
if (ch >= 'A' && ch <= 'Z') {
|
||
ch = ch.charCodeAt(0) - 64;
|
||
ch = ch.toString(16);
|
||
if (ch.length < 2) ch = '0' + ch;
|
||
ch = '\\x' + ch;
|
||
} else {
|
||
ch = cap[0];
|
||
}
|
||
break;
|
||
}
|
||
print(ch);
|
||
continue;
|
||
}
|
||
|
||
// '\n' -> \n
|
||
// '\r' -> \r
|
||
// '\0' -> \200 (special case)
|
||
if (read(/^\\([nlrtbfs\^\\,:0])/)) {
|
||
switch (ch) {
|
||
case 'n':
|
||
ch = '\\n';
|
||
break;
|
||
case 'l':
|
||
ch = '\\x85';
|
||
break;
|
||
case 'r':
|
||
ch = '\\r';
|
||
break;
|
||
case 't':
|
||
ch = '\\t';
|
||
break;
|
||
case 'b':
|
||
ch = '\\x08';
|
||
break;
|
||
case 'f':
|
||
ch = '\\x0c';
|
||
break;
|
||
case 's':
|
||
ch = ' ';
|
||
break;
|
||
case '^':
|
||
ch = '^';
|
||
break;
|
||
case '\\':
|
||
ch = '\\\\';
|
||
break;
|
||
case ',':
|
||
ch = ',';
|
||
break;
|
||
case ':':
|
||
ch = ':';
|
||
break;
|
||
case '0':
|
||
//ch = '\\0';
|
||
ch = '\\200';
|
||
break;
|
||
//case 'v':
|
||
// ch = '\\x0b';
|
||
// break;
|
||
//case 'a':
|
||
// ch = '\\x07':
|
||
// break;
|
||
default:
|
||
ch = '';
|
||
break;
|
||
}
|
||
print(ch);
|
||
continue;
|
||
}
|
||
|
||
// 3 octal digits -> character
|
||
if (read(/^\\(\d{3})/)) {
|
||
print('\\' + ch);
|
||
continue;
|
||
}
|
||
|
||
// $<5> -> padding
|
||
// e.g. flash_screen: '\u001b[?5h$<100/>\u001b[?5l',
|
||
if (read(/^\$<(\d+)([*\/]{0,2})>/)) {
|
||
if (this.padding) print(cap[0]);
|
||
continue;
|
||
}
|
||
|
||
// %% outputs `%'
|
||
if (read(/^%%/)) {
|
||
print('%');
|
||
continue;
|
||
}
|
||
|
||
// %[[:]flags][width[.precision]][doxXs]
|
||
// as in printf, flags are [-+#] and space. Use a `:' to allow the
|
||
// next character to be a `-' flag, avoiding interpreting "%-" as an
|
||
// operator.
|
||
// %c print pop() like %c in printf
|
||
// Example from screen terminfo:
|
||
// S0: "\u001b(%p1%c"
|
||
// %d print pop()
|
||
// "Print (e.g., "%d") is a special case."
|
||
// %s print pop() like %s in printf
|
||
if (read(/^%((?::-|[+# ]){1,4})?(\d+(?:\.\d+)?)?([doxXs])/)) {
|
||
if (this.printf) {
|
||
echo('sprintf("'+ cap[0].replace(':-', '-') + '", stack.pop())');
|
||
} else {
|
||
echo('stack.pop()');
|
||
}
|
||
continue;
|
||
}
|
||
|
||
// %c print pop() like %c in printf
|
||
// Example from screen terminfo:
|
||
// S0: "\u001b(%p1%c"
|
||
if (read(/^%c/)) {
|
||
if (this.printf) {
|
||
echo('sprintf("%c", stack.pop())');
|
||
} else {
|
||
echo('(v = stack.pop() || "",'
|
||
+ ' isFinite(v) ? String.fromCharCode(v) : v[0])');
|
||
}
|
||
continue;
|
||
}
|
||
|
||
// %d print pop()
|
||
// "Print (e.g., "%d") is a special case."
|
||
// if (read(/^%d/)) {
|
||
// echo('stack.pop()');
|
||
// continue;
|
||
// }
|
||
|
||
// %s print pop() like %s in printf
|
||
// if (read(/^%s/)) {
|
||
// echo('stack.pop()');
|
||
// continue;
|
||
// }
|
||
|
||
// %p[1-9]
|
||
// push i'th parameter
|
||
if (read(/^%p([1-9])/)) {
|
||
expr('(stack.push(v = params[' + (i - 1) + ']), v)');
|
||
continue;
|
||
}
|
||
|
||
// %P[a-z]
|
||
// set dynamic variable [a-z] to pop()
|
||
if (read(/^%P([a-z])/)) {
|
||
expr('dyn.' + v + ' = stack.pop()');
|
||
continue;
|
||
}
|
||
|
||
// %g[a-z]
|
||
// get dynamic variable [a-z] and push it
|
||
if (read(/^%g([a-z])/)) {
|
||
expr('(stack.push(dyn.' + v + '), dyn.' + v + ')');
|
||
continue;
|
||
}
|
||
|
||
// %P[A-Z]
|
||
// set static variable [a-z] to pop()
|
||
if (read(/^%P([A-Z])/)) {
|
||
expr('stat.' + v + ' = stack.pop()');
|
||
continue;
|
||
}
|
||
|
||
// %g[A-Z]
|
||
// get static variable [a-z] and push it
|
||
|
||
// The terms "static" and "dynamic" are misleading. Historically,
|
||
// these are simply two different sets of variables, whose values are
|
||
// not reset between calls to tparm. However, that fact is not
|
||
// documented in other implementations. Relying on it will adversely
|
||
// impact portability to other implementations.
|
||
|
||
if (read(/^%g([A-Z])/)) {
|
||
expr('(stack.push(v = stat.' + v + '), v)');
|
||
continue;
|
||
}
|
||
|
||
// %'c' char constant c
|
||
if (read(/^%'(\w)'/)) {
|
||
expr('(stack.push(v = "' + ch + '", v)');
|
||
continue;
|
||
}
|
||
|
||
// %{nn}
|
||
// integer constant nn
|
||
if (read(/^%\{(\d+)\}/)) {
|
||
expr('(stack.push(v = ' + ch + '), v)');
|
||
continue;
|
||
}
|
||
|
||
// %l push strlen(pop)
|
||
if (read(/^%l/)) {
|
||
expr('(stack.push(v = stack.pop().length), v)');
|
||
continue;
|
||
}
|
||
|
||
// %+ %- %* %/ %m
|
||
// arithmetic (%m is mod): push(pop() op pop())
|
||
// %& %| %^
|
||
// bit operations (AND, OR and exclusive-OR): push(pop() op pop())
|
||
// %= %> %<
|
||
// logical operations: push(pop() op pop())
|
||
if (read(/^%([+\-*\/m&|\^=><])/)) {
|
||
if (op === '=') op = '===';
|
||
else if (op === 'm') op = '%';
|
||
expr('(stack.push(v = (stack.pop() ' + op + ' stack.pop())), v)');
|
||
continue;
|
||
}
|
||
|
||
// %A, %O
|
||
// logical AND and OR operations (for conditionals)
|
||
if (read(/^%([AO])/)) {
|
||
stmt(op === ' A ' ? ' && ' : ' || ');
|
||
continue;
|
||
}
|
||
|
||
// %! %~
|
||
// unary operations (logical and bit complement): push(op pop())
|
||
if (read(/^%([!~])/)) {
|
||
expr('(stack.push(v = ' + op + 'stack.pop()), v)');
|
||
continue;
|
||
}
|
||
|
||
// %i add 1 to first two parameters (for ANSI terminals)
|
||
if (read(/^%i/)) {
|
||
expr('(params[0]++, params[1]++)');
|
||
continue;
|
||
}
|
||
|
||
// %? expr %t thenpart %e elsepart %;
|
||
// This forms an if-then-else. The %e elsepart is optional. Usually
|
||
// the %? expr part pushes a value onto the stack, and %t pops it from
|
||
// the stack, testing if it is nonzero (true). If it is zero (false),
|
||
// control passes to the %e (else) part.
|
||
|
||
// It is possible to form else-if's a la Algol 68:
|
||
// %? c1 %t b1 %e c2 %t b2 %e c3 %t b3 %e c4 %t b4 %e %;
|
||
|
||
// where ci are conditions, bi are bodies.
|
||
|
||
// Use the -f option of tic or infocmp to see the structure of
|
||
// if-then-else's. Some strings, e.g., sgr can be very complicated when
|
||
// written on one line. The -f option splits the string into lines with
|
||
// the parts indented.
|
||
if (read(/^%\?/)) {
|
||
stmt(';if (');
|
||
continue;
|
||
}
|
||
|
||
if (read(/^%t/)) {
|
||
stmt(') {');
|
||
continue;
|
||
}
|
||
|
||
// if/then/else/end
|
||
// Terminfo does elseif's like
|
||
// this: %?[expr]%t...%e[expr]%t...%;
|
||
if (read(/^%e/)) {
|
||
fi = val.indexOf('%?');
|
||
then = val.indexOf('%t');
|
||
els = val.indexOf('%e');
|
||
end = val.indexOf('%;');
|
||
if (then !== -1 && then < end
|
||
&& (fi === -1 || then < fi)
|
||
&& (els === -1 || then < els)) {
|
||
stmt('} else if (');
|
||
} else {
|
||
stmt('} else {');
|
||
}
|
||
continue;
|
||
}
|
||
|
||
if (read(/^%;/)) {
|
||
stmt('}');
|
||
continue;
|
||
}
|
||
|
||
// Binary operations are in postfix form with the operands in the usual
|
||
// order. That is, to get x-5 one would use "%gx%{5}%-". %P and %g vari‐
|
||
// ables are persistent across escape-string evaluations.
|
||
|
||
// Consider the HP2645, which, to get to row 3 and column 12, needs to be
|
||
// sent \E&a12c03Y padded for 6 milliseconds. Note that the order of the
|
||
// rows and columns is inverted here, and that the row and column are
|
||
// printed as two digits. Thus its cup capability is
|
||
// “cup=6\E&%p2%2dc%p1%2dY”.
|
||
|
||
// The Microterm ACT-IV needs the current row and column sent
|
||
// preceded by a ^T, with the row and column simply encoded in
|
||
// binary, “cup=^T%p1%c%p2%c”. Terminals which use “%c” need to be able
|
||
// to backspace the cursor (cub1), and to move the cursor up one line
|
||
// on the screen (cuu1). This is necessary because it is not always safe
|
||
// to transmit \n ^D and \r, as the system may change or discard them.
|
||
// (The library routines dealing with terminfo set tty modes so that tabs
|
||
// are never expanded, so \t is safe to send. This turns out to be
|
||
// essential for the Ann Arbor 4080.)
|
||
|
||
// A final example is the LSI ADM-3a, which uses row and column offset
|
||
// by a blank character, thus “cup=\E=%p1%' '%+%c%p2%' '%+%c”. After
|
||
// sending `\E=', this pushes the first parameter, pushes the ASCII value
|
||
// for a space (32), adds them (pushing the sum on the stack in place of
|
||
// the two previous values) and outputs that value as a character.
|
||
// Then the same is done for the second parameter. More complex
|
||
// arithmetic is possible using the stack.
|
||
|
||
// $ man termcap
|
||
if (this.termcap) {
|
||
// %r Single parameter capability
|
||
if (read(/^%r/)) {
|
||
continue;
|
||
}
|
||
// %+ Add value of next character to this parameter and do binary output
|
||
// if (read(/^%\+/)) {
|
||
// echo('stack.pop()');
|
||
// continue;
|
||
// }
|
||
// %2 Do ASCII output of this parameter with a field with of 2
|
||
if (read(/^%2/)) {
|
||
echo('stack.pop()');
|
||
continue;
|
||
}
|
||
// %d Do ASCII output of this parameter with a field with of 3
|
||
// if (read(/^%d/)) {
|
||
// echo('stack.pop()');
|
||
// continue;
|
||
// }
|
||
}
|
||
|
||
buff += val[0];
|
||
val = val.substring(1);
|
||
}
|
||
|
||
clear();
|
||
|
||
stmt(';return out;');
|
||
|
||
// TODO: Make this less ridiculous.
|
||
// Optimize
|
||
// ... out += ("foo");return out;
|
||
// To:
|
||
// return "foo";
|
||
v = code.split(/out = "";out \+= \(|\);return out/);
|
||
if (v.length === 3 && /^"[^"]+"$/.test(v[1])) {
|
||
code = 'return ' + v[1] + ';';
|
||
} else if (~code.indexOf('out = "";;return')) {
|
||
code = 'return "";';
|
||
}
|
||
|
||
if (this.debug) {
|
||
v = code
|
||
.replace(/\x1b/g, '\\x1b')
|
||
.replace(/\r/g, '\\r')
|
||
.replace(/\n/g, '\\n');
|
||
process.stdout.write(v + '\n');
|
||
}
|
||
|
||
// Possibly do:
|
||
// if (code.indexOf('return ') === 0) {
|
||
// return new Function('', code)();
|
||
// }
|
||
|
||
try {
|
||
return this.printf
|
||
? new Function('sprintf, params', code).bind(null, sprintf)
|
||
: new Function('params', code);
|
||
} catch (e) {
|
||
console.error('');
|
||
console.error('Error on `' + _key + '`:');
|
||
console.error(JSON.stringify(_val));
|
||
console.error('');
|
||
console.error(code.replace(/(,|;)/g, '$1\n'));
|
||
e.stack = e.stack.replace(/\x1b/g, '\\x1b');
|
||
throw e;
|
||
}
|
||
};
|
||
|
||
Tput.prototype._print =
|
||
Tput.prototype._parsePadding = function(code, print, done) {
|
||
var print = print || write
|
||
, done = done || noop;
|
||
|
||
if (!this.padding) {
|
||
print(code);
|
||
return done();
|
||
}
|
||
|
||
var parts = code.split(/(?=\$<\d+[*\/]{0,2}>)/)
|
||
, i = 0;
|
||
|
||
(function next() {
|
||
if (i === parts.length) {
|
||
return done();
|
||
}
|
||
|
||
var part = parts[i++]
|
||
, padding = /^\$<(\d+)([*\/]{0,2})>/.exec(part);
|
||
|
||
if (!padding) {
|
||
print(part);
|
||
return next();
|
||
}
|
||
|
||
part = part.substring(padding[0].length);
|
||
|
||
// A `*' indicates that the padding required is proportional to the number
|
||
// of lines affected by the operation, and the amount given is the
|
||
// per-affected-unit padding required. (In the case of insert character,
|
||
// the factor is still the number of lines affected.) Normally, padding is
|
||
// advisory if the device has the xon capability; it is used for cost
|
||
// computation but does not trigger delays.
|
||
if (~padding[2].indexOf('*')) {
|
||
;
|
||
}
|
||
|
||
// A `/' suffix indicates that the padding is mandatory and forces a
|
||
// delay of the given number of milliseconds even on devices for which xon
|
||
// is present to indicate flow control.
|
||
if (~padding[2].indexOf('/')) {
|
||
;
|
||
}
|
||
|
||
return setTimeout(function() {
|
||
print(part);
|
||
return next();
|
||
}, +padding[1]);
|
||
})();
|
||
};
|
||
|
||
/**
|
||
* Termcap
|
||
*/
|
||
|
||
Tput.prototype.readTermcap = function(data) {
|
||
var self = this
|
||
, TERMCAP = process.env.TERMCAP || ''
|
||
, TERMPATH = process.env.TERMPATH || ''
|
||
, HOME = process.env.HOME || '';
|
||
|
||
// TODO: Check to make sure termcap data matches
|
||
// the term name, otherwise keep searching.
|
||
var data = data
|
||
|| tryRead(this.termcapFile)
|
||
|| (TERMCAP[0] === '/' ? tryRead(TERMCAP) : TERMCAP)
|
||
|| (TERMPATH && tryRead(TERMPATH.split(/[: ]/)))
|
||
|| tryRead(HOME + '/.termcap')
|
||
|| tryRead('/usr/share/misc/termcap')
|
||
|| tryRead('/etc/termcap')
|
||
|| Tput.termcap;
|
||
|
||
var terms = this.parseTermcap(data)
|
||
, root = terms[this.terminal];
|
||
|
||
if (this.debug) {
|
||
this._termcap = terms;
|
||
}
|
||
|
||
(function tc(term) {
|
||
if (term && term.strings.tc) {
|
||
root.inherits = root.inherits || [];
|
||
root.inherits.push(term.strings.tc);
|
||
|
||
if (self.debug) {
|
||
var names = terms[term.strings.tc]
|
||
? terms[term.strings.tc].names
|
||
: [term.strings.tc];
|
||
console.log(term.names.join('/') + ' inherits from ' + names.join('/'));
|
||
}
|
||
|
||
var inherit = tc(terms[term.strings.tc]);
|
||
if (inherit) {
|
||
['bools', 'numbers', 'strings'].forEach(function(type) {
|
||
merge(term[type], inherit[type]);
|
||
});
|
||
}
|
||
}
|
||
return term;
|
||
})(root);
|
||
|
||
return root;
|
||
};
|
||
|
||
/**
|
||
* Termcap Parser
|
||
* http://en.wikipedia.org/wiki/Termcap
|
||
* http://www.gnu.org/software
|
||
* /termutils/manual/termcap-1.3/html_mono/termcap.html
|
||
* http://www.gnu.org/software
|
||
* /termutils/manual/termcap-1.3/html_mono/termcap.html#SEC17
|
||
* http://tldp.org/HOWTO/Text-Terminal-HOWTO.html#toc16
|
||
* man termcap
|
||
*/
|
||
|
||
// Example:
|
||
// vt102|dec vt102:\
|
||
// :do=^J:co#80:li#24:cl=50\E[;H\E[2J:\
|
||
// :le=^H:bs:cm=5\E[%i%d;%dH:nd=2\E[C:up=2\E[A:\
|
||
// :ce=3\E[K:cd=50\E[J:so=2\E[7m:se=2\E[m:us=2\E[4m:ue=2\E[m:\
|
||
// :md=2\E[1m:mr=2\E[7m:mb=2\E[5m:me=2\E[m:is=\E[1;24r\E[24;1H:\
|
||
// :rs=\E>\E[?3l\E[?4l\E[?5l\E[?7h\E[?8h:ks=\E[?1h\E=:ke=\E[?1l\E>:\
|
||
// :ku=\EOA:kd=\EOB:kr=\EOC:kl=\EOD:kb=^H:\
|
||
// :ho=\E[H:k1=\EOP:k2=\EOQ:k3=\EOR:k4=\EOS:pt:sr=5\EM:vt#3:\
|
||
// :sc=\E7:rc=\E8:cs=\E[%i%d;%dr:vs=\E[?7l:ve=\E[?7h:\
|
||
// :mi:al=\E[L:dc=\E[P:dl=\E[M:ei=\E[4l:im=\E[4h:
|
||
|
||
Tput.prototype.parseTermcap = function(data) {
|
||
var terms = {}
|
||
, term
|
||
, entries
|
||
, fields
|
||
, field
|
||
, names
|
||
, i
|
||
, j
|
||
, k;
|
||
|
||
// remove escaped newlines
|
||
data = data.replace(/\\\n[ \t]*/g, '');
|
||
|
||
// remove comments
|
||
data = data.replace(/^#[^\n]+/gm, '');
|
||
|
||
// split entries
|
||
entries = data.trim().split(/\n+/);
|
||
|
||
for (i = 0; i < entries.length; i++) {
|
||
fields = entries[i].split(/:+/);
|
||
for (j = 0; j < fields.length; j++) {
|
||
field = fields[j].trim();
|
||
if (!field) continue;
|
||
|
||
if (j === 0) {
|
||
names = field.split('|');
|
||
term = {
|
||
name: names[0],
|
||
names: names,
|
||
desc: names.pop()
|
||
};
|
||
|
||
for (k = 0; k < names.length; k++) {
|
||
terms[names[k]] = term;
|
||
}
|
||
|
||
term.bools = {};
|
||
term.numbers = {};
|
||
term.strings = {};
|
||
|
||
continue;
|
||
}
|
||
|
||
if (~field.indexOf('=')) {
|
||
parts = field.split('=');
|
||
term.strings[parts[0]] = parts.slice(1).join('=');
|
||
} else if (~field.indexOf('#')) {
|
||
parts = field.split('#');
|
||
term.numbers[parts[0]] = +parts.slice(1).join('#');
|
||
} else {
|
||
term.bools[field] = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
return terms;
|
||
};
|
||
|
||
/**
|
||
* Termcap Compiler
|
||
* man termcap
|
||
*/
|
||
|
||
Tput.prototype.translateTermcap = function(info) {
|
||
var self = this
|
||
, out = {};
|
||
|
||
if (!info) return;
|
||
|
||
if (this.debug) {
|
||
console.log(info);
|
||
}
|
||
|
||
['name', 'names', 'desc'].forEach(function(key) {
|
||
out[key] = info[key];
|
||
});
|
||
|
||
// Separate aliases for termcap
|
||
var talias = (function() {
|
||
var alias = Tput.alias
|
||
, out = {};
|
||
|
||
Object.keys(alias).forEach(function(key) {
|
||
var a = alias[key]
|
||
, n = a.slice();
|
||
|
||
if (!a._termcapRemoved) {
|
||
n.splice(1, 1);
|
||
}
|
||
|
||
out[a.termcap] = [key].concat(n);
|
||
});
|
||
|
||
return out;
|
||
})();
|
||
|
||
// Translate termcap cap names to terminfo cap names.
|
||
// e.g. `up` -> `cursor_up`
|
||
['bools', 'numbers', 'strings'].forEach(function(key) {
|
||
out[key] = {};
|
||
Object.keys(info[key]).forEach(function(cap) {
|
||
if (talias[cap]) {
|
||
out[key][talias[cap][0]] = info[key][cap];
|
||
} else {
|
||
// NOTE: Possibly include all termcap names
|
||
// in a separate alias.js file. Some are
|
||
// missing from the terminfo alias.js file
|
||
// which is why we have to do this:
|
||
// See: $ man termcap
|
||
out[key][cap] = info[key][cap];
|
||
}
|
||
});
|
||
});
|
||
|
||
return out;
|
||
};
|
||
|
||
Tput.prototype.compileTermcap = function(info, inject) {
|
||
if (arguments.length === 0) {
|
||
info = this.readTermcap();
|
||
}
|
||
|
||
// Translate termcap names to terminfo-style names.
|
||
info = this.translateTermcap(info);
|
||
|
||
return this.compile(info, inject);
|
||
};
|
||
|
||
/**
|
||
* Detect Features / Quirks
|
||
*/
|
||
|
||
Tput.prototype.detectFeatures = function() {
|
||
this.unicode = this.detectUnicode();
|
||
this.brokenACS = this.detectBrokenACS();
|
||
this.PCRomSet = this.detectPCRomSet();
|
||
|
||
this.magicCookie = this.detectMagicCookie();
|
||
this.padding = this.detectPadding();
|
||
this.setbuf = this.detectSetbuf();
|
||
|
||
this.parseACS();
|
||
};
|
||
|
||
Tput.prototype.detectUnicode = function() {
|
||
var LANG = process.env.LANG
|
||
+ ':' + process.env.LANGUAGE
|
||
+ ':' + process.env.LC_ALL
|
||
+ ':' + process.env.LC_CTYPE;
|
||
|
||
return /utf-?8/i.test(LANG);
|
||
};
|
||
|
||
// For some reason TERM=linux has smacs/rmacs, but it maps to `^[[11m`
|
||
// and it does not switch to the DEC SCLD character set. What the hell?
|
||
// xterm: \x1b(0, screen: \x0e, linux: \x1b[11m (doesn't work)
|
||
// `man console_codes` says:
|
||
// 11 select null mapping, set display control flag, reset tog‐
|
||
// gle meta flag (ECMA-48 says "first alternate font").
|
||
// See ncurses:
|
||
// ~/ncurses/ncurses/base/lib_set_term.c
|
||
// ~/ncurses/ncurses/tinfo/lib_acs.c
|
||
// ~/ncurses/ncurses/tinfo/tinfo_driver.c
|
||
// ~/ncurses/ncurses/tinfo/lib_setup.c
|
||
Tput.prototype.detectBrokenACS = function() {
|
||
// ncurses-compatible env variable.
|
||
if (process.env.NCURSES_NO_UTF8_ACS != null) {
|
||
return true;
|
||
}
|
||
|
||
// If the terminal supports unicode, we don't need ACS.
|
||
if (this.numbers['U8'] >= 0) {
|
||
return !!this.numbers['U8'];
|
||
}
|
||
|
||
// The linux console is just broken for some reason.
|
||
if (this.terminal === 'linux') {
|
||
return true;
|
||
}
|
||
|
||
// screen termcap is bugged?
|
||
if (this.terminal.indexOf('screen') == 0
|
||
&& process.env.TERMCAP
|
||
&& ~process.env.TERMCAP.indexOf('screen')
|
||
&& ~process.env.TERMCAP.indexOf('hhII00')) {
|
||
if (~this.strings.enter_alt_charset_mode.indexOf('\016')
|
||
|| ~this.strings.enter_alt_charset_mode.indexOf('\017')
|
||
|| ~this.strings.set_attributes.indexOf('\016')
|
||
|| ~this.strings.set_attributes.indexOf('\017')) {
|
||
return true;
|
||
}
|
||
}
|
||
|
||
return false;
|
||
};
|
||
|
||
// Apparently the Linux console does not support ACS,
|
||
// but it does support the PC ROM character set.
|
||
// See: ~/ncurses/ncurses/tinfo/lib_acs.c
|
||
Tput.prototype.detectPCRomSet = function() {
|
||
var str = this.strings;
|
||
if (str.enter_pc_charset_mode === str.enter_alt_charset_mode
|
||
&& str.exit_pc_charset_mode === str.exit_alt_charset_mode) {
|
||
return true;
|
||
}
|
||
return false;
|
||
};
|
||
|
||
Tput.prototype.detectMagicCookie = function() {
|
||
return process.env.NCURSES_NO_MAGIC_COOKIE == null;
|
||
};
|
||
|
||
Tput.prototype.detectPadding = function() {
|
||
return process.env.NCURSES_NO_PADDING == null;
|
||
};
|
||
|
||
Tput.prototype.detectSetbuf = function() {
|
||
return process.env.NCURSES_NO_SETBUF == null;
|
||
};
|
||
|
||
Tput.prototype.parseACS = function() {
|
||
var self = this;
|
||
|
||
this.acsc = {};
|
||
this.acscr = {};
|
||
|
||
if (this.PCRomSet) {
|
||
;
|
||
}
|
||
|
||
// See: ~/ncurses/ncurses/tinfo/lib_acs.c: L208
|
||
Object.keys(Tput.acsc).forEach(function(ch) {
|
||
var acs_chars = self.strings.acs_chars || ''
|
||
, i = acs_chars.indexOf(ch)
|
||
, next = acs_chars[i + 1];
|
||
|
||
if (!next || i === -1) {
|
||
return;
|
||
}
|
||
|
||
self.acsc[ch] = Tput.acsc[next];
|
||
self.acscr[Tput.acsc[next]] = ch;
|
||
});
|
||
};
|
||
|
||
/**
|
||
* Helpers
|
||
*/
|
||
|
||
function noop() {
|
||
return '';
|
||
}
|
||
|
||
noop.unsupported = true;
|
||
|
||
function merge(a, b) {
|
||
Object.keys(b).forEach(function(key) {
|
||
a[key] = b[key];
|
||
});
|
||
return a;
|
||
}
|
||
|
||
function write(data) {
|
||
return process.stdout.write(data);
|
||
}
|
||
|
||
function tryRead(file) {
|
||
if (Array.isArray(file)) {
|
||
for (var i = 0; i < file.length; i++) {
|
||
var data = tryRead(file[i]);
|
||
if (data) return data;
|
||
}
|
||
return '';
|
||
}
|
||
if (!file) return '';
|
||
file = path.resolve.apply(path, arguments);
|
||
try {
|
||
return fs.readFileSync(file, 'utf8');
|
||
} catch (e) {
|
||
return '';
|
||
}
|
||
}
|
||
|
||
/**
|
||
* sprintf
|
||
* http://www.cplusplus.com/reference/cstdio/printf/
|
||
*/
|
||
|
||
function sprintf(src) {
|
||
var params = Array.prototype.slice.call(arguments, 1)
|
||
, rule = /%([\-+# ]{1,4})?(\d+(?:\.\d+)?)?([doxXsc])/g
|
||
, i = 0;
|
||
|
||
return src.replace(rule, function(_, flag, width, type) {
|
||
var flags = (flag || '').split('')
|
||
, param = params[i++] || ''
|
||
, initial = param
|
||
, width = +width
|
||
, opt = {}
|
||
, pre = '';
|
||
|
||
switch (type) {
|
||
case 'd': // signed int
|
||
param = (+param).toString(10);
|
||
break;
|
||
case 'o': // unsigned octal
|
||
param = (+param).toString(8);
|
||
break;
|
||
case 'x': // unsigned hex int
|
||
param = (+param).toString(16);
|
||
break;
|
||
case 'X': // unsigned hex int uppercase
|
||
param = (+param).toString(16).toUppercase();
|
||
break;
|
||
case 's': // string
|
||
break;
|
||
case 'c': // char
|
||
// Should return here?
|
||
param = isFinite(param)
|
||
? String.fromCharCode(param)
|
||
: param[0];
|
||
//: '';
|
||
break;
|
||
}
|
||
|
||
flags.forEach(function(flag) {
|
||
switch (flag) {
|
||
// left-justify by width
|
||
case '-':
|
||
opt.left = true;
|
||
break;
|
||
// always precede numbers with their signs
|
||
case '+':
|
||
opt.signs = true;
|
||
break;
|
||
// used with o, x, X - value is preceded with 0, 0x, or 0X respectively.
|
||
// used with a, A, e, E, f, F, g, G - forces written output to contain
|
||
// a decimal point even if no more digits follow
|
||
case '#':
|
||
opt.hexpoint = true;
|
||
break;
|
||
// if no sign is going to be written, black space in front of the value
|
||
case ' ':
|
||
opt.space = true;
|
||
break;
|
||
}
|
||
});
|
||
|
||
if (opt.signs) {
|
||
if (+initial >= 0) {
|
||
pre += '+';
|
||
}
|
||
}
|
||
|
||
if (opt.space) {
|
||
if (!opt.signs && +initial >= 0) {
|
||
pre += ' ';
|
||
}
|
||
}
|
||
|
||
if (opt.hexpoint) {
|
||
switch (type) {
|
||
case 'o': // unsigned octal
|
||
pre += '0';
|
||
break;
|
||
case 'x': // unsigned hex int
|
||
pre += '0x';
|
||
break;
|
||
case 'X': // unsigned hex int uppercase
|
||
pre += '0X';
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (opt.left) {
|
||
if (width > (pre.length + param.length)) {
|
||
width -= pre.length + param.length;
|
||
pre = Array(width + 1).join(' ') + pre;
|
||
}
|
||
}
|
||
|
||
return pre + param;
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Aliases
|
||
*/
|
||
|
||
Tput.alias = require('./alias');
|
||
|
||
// Bools
|
||
Tput.alias.bools.no_esc_ctlc.push('beehive_glitch');
|
||
Tput.alias.bools.dest_tabs_magic_smso.push('teleray_glitch');
|
||
|
||
// Numbers
|
||
Tput.alias.numbers.micro_col_size.push('micro_char_size');
|
||
|
||
// Merge into one object
|
||
merge(Tput.alias, Tput.alias.bools);
|
||
delete Tput.alias.bools;
|
||
|
||
merge(Tput.alias, Tput.alias.numbers);
|
||
delete Tput.alias.numbers;
|
||
|
||
merge(Tput.alias, Tput.alias.strings);
|
||
delete Tput.alias.strings;
|
||
|
||
// Make sure there are no collisions between terminfo names
|
||
// and termcap names. Terminfo takes precedence.
|
||
Tput._vec = Object.keys(Tput.alias).map(function(key) {
|
||
return Array.isArray(Tput.alias[key])
|
||
? Tput.alias[key][0]
|
||
: Tput.alias[key];
|
||
});
|
||
|
||
Object.keys(Tput.alias).forEach(function(key) {
|
||
if (!Array.isArray(Tput.alias[key])) {
|
||
return;
|
||
}
|
||
|
||
var alias = Tput.alias[key]
|
||
, tcap = alias[1];
|
||
|
||
alias.name = key;
|
||
alias.terminfo = alias[0];
|
||
alias.termcap = alias[1];
|
||
|
||
if (!tcap) return;
|
||
|
||
if (~Tput._vec.indexOf(tcap)) {
|
||
alias._termcapRemoved = true;
|
||
alias.splice(1, 1);
|
||
}
|
||
});
|
||
|
||
assert.notEqual(Tput.alias.exit_delete_mode[1], 'ed');
|
||
assert.equal(Tput.alias.exit_delete_mode.termcap, 'ed');
|
||
// assert.notEqual(Tput.alias.lines[0], 'lines');
|
||
// assert.notEqual(Tput.alias.set_lr_margin[1], 'ML');
|
||
|
||
// Possibly just ignore certain aliases like so:
|
||
// Tput.alias.exit_delete_mode.ignore = 1;
|
||
// Tput.alias.lines.ignore = 0;
|
||
// Tput.alias.set_lr_margin.ignore = 1;
|
||
|
||
/**
|
||
* Feature Checking
|
||
*/
|
||
|
||
Tput.aliasMap = {};
|
||
|
||
Object.keys(Tput.alias).forEach(function(key) {
|
||
var aliases = Array.isArray(Tput.alias[key])
|
||
? Tput.alias[key]
|
||
: [Tput.alias[key]];
|
||
Tput.aliasMap[key] = key;
|
||
aliases.forEach(function(k) {
|
||
Tput.aliasMap[k] = key;
|
||
});
|
||
});
|
||
|
||
Tput.prototype.has = function(name) {
|
||
var name = Tput.aliasMap[name]
|
||
, val = this.all[name];
|
||
|
||
if (!name) return false;
|
||
|
||
if (typeof val === 'number') {
|
||
return val !== -1;
|
||
}
|
||
|
||
return !!val;
|
||
};
|
||
|
||
/**
|
||
* Fallback Termcap Entry
|
||
*/
|
||
|
||
Tput.termcap = ''
|
||
+ 'vt102|dec vt102:'
|
||
+ ':do=^J:co#80:li#24:cl=50\\E[;H\\E[2J:'
|
||
+ ':le=^H:bs:cm=5\\E[%i%d;%dH:nd=2\\E[C:up=2\\E[A:'
|
||
+ ':ce=3\\E[K:cd=50\\E[J:so=2\\E[7m:se=2\\E[m:us=2\\E[4m:ue=2\\E[m:'
|
||
+ ':md=2\\E[1m:mr=2\\E[7m:mb=2\\E[5m:me=2\\E[m:is=\\E[1;24r\\E[24;1H:'
|
||
+ ':rs=\\E>\\E[?3l\\E[?4l\\E[?5l\\E[?7h\\E[?8h:ks=\\E[?1h\\E=:ke=\\E[?1l\\E>:'
|
||
+ ':ku=\\EOA:kd=\\EOB:kr=\\EOC:kl=\\EOD:kb=^H:\\\n'
|
||
+ ':ho=\\E[H:k1=\\EOP:k2=\\EOQ:k3=\\EOR:k4=\\EOS:pt:sr=5\\EM:vt#3:'
|
||
+ ':sc=\\E7:rc=\\E8:cs=\\E[%i%d;%dr:vs=\\E[?7l:ve=\\E[?7h:'
|
||
+ ':mi:al=\\E[L:dc=\\E[P:dl=\\E[M:ei=\\E[4l:im=\\E[4h:';
|
||
|
||
/**
|
||
* Terminfo Data
|
||
*/
|
||
|
||
Tput.bools = [
|
||
'auto_left_margin',
|
||
'auto_right_margin',
|
||
'no_esc_ctlc',
|
||
'ceol_standout_glitch',
|
||
'eat_newline_glitch',
|
||
'erase_overstrike',
|
||
'generic_type',
|
||
'hard_copy',
|
||
'has_meta_key',
|
||
'has_status_line',
|
||
'insert_null_glitch',
|
||
'memory_above',
|
||
'memory_below',
|
||
'move_insert_mode',
|
||
'move_standout_mode',
|
||
'over_strike',
|
||
'status_line_esc_ok',
|
||
'dest_tabs_magic_smso',
|
||
'tilde_glitch',
|
||
'transparent_underline',
|
||
'xon_xoff',
|
||
'needs_xon_xoff',
|
||
'prtr_silent',
|
||
'hard_cursor',
|
||
'non_rev_rmcup',
|
||
'no_pad_char',
|
||
'non_dest_scroll_region',
|
||
'can_change',
|
||
'back_color_erase',
|
||
'hue_lightness_saturation',
|
||
'col_addr_glitch',
|
||
'cr_cancels_micro_mode',
|
||
'has_print_wheel',
|
||
'row_addr_glitch',
|
||
'semi_auto_right_margin',
|
||
'cpi_changes_res',
|
||
'lpi_changes_res',
|
||
|
||
// #ifdef __INTERNAL_CAPS_VISIBLE
|
||
'backspaces_with_bs',
|
||
'crt_no_scrolling',
|
||
'no_correctly_working_cr',
|
||
'gnu_has_meta_key',
|
||
'linefeed_is_newline',
|
||
'has_hardware_tabs',
|
||
'return_does_clr_eol'
|
||
];
|
||
|
||
Tput.numbers = [
|
||
'columns',
|
||
'init_tabs',
|
||
'lines',
|
||
'lines_of_memory',
|
||
'magic_cookie_glitch',
|
||
'padding_baud_rate',
|
||
'virtual_terminal',
|
||
'width_status_line',
|
||
'num_labels',
|
||
'label_height',
|
||
'label_width',
|
||
'max_attributes',
|
||
'maximum_windows',
|
||
'max_colors',
|
||
'max_pairs',
|
||
'no_color_video',
|
||
'buffer_capacity',
|
||
'dot_vert_spacing',
|
||
'dot_horz_spacing',
|
||
'max_micro_address',
|
||
'max_micro_jump',
|
||
'micro_col_size',
|
||
'micro_line_size',
|
||
'number_of_pins',
|
||
'output_res_char',
|
||
'output_res_line',
|
||
'output_res_horz_inch',
|
||
'output_res_vert_inch',
|
||
'print_rate',
|
||
'wide_char_size',
|
||
'buttons',
|
||
'bit_image_entwining',
|
||
'bit_image_type',
|
||
|
||
// #ifdef __INTERNAL_CAPS_VISIBLE
|
||
'magic_cookie_glitch_ul',
|
||
'carriage_return_delay',
|
||
'new_line_delay',
|
||
'backspace_delay',
|
||
'horizontal_tab_delay',
|
||
'number_of_function_keys'
|
||
];
|
||
|
||
Tput.strings = [
|
||
'back_tab',
|
||
'bell',
|
||
'carriage_return',
|
||
'change_scroll_region',
|
||
'clear_all_tabs',
|
||
'clear_screen',
|
||
'clr_eol',
|
||
'clr_eos',
|
||
'column_address',
|
||
'command_character',
|
||
'cursor_address',
|
||
'cursor_down',
|
||
'cursor_home',
|
||
'cursor_invisible',
|
||
'cursor_left',
|
||
'cursor_mem_address',
|
||
'cursor_normal',
|
||
'cursor_right',
|
||
'cursor_to_ll',
|
||
'cursor_up',
|
||
'cursor_visible',
|
||
'delete_character',
|
||
'delete_line',
|
||
'dis_status_line',
|
||
'down_half_line',
|
||
'enter_alt_charset_mode',
|
||
'enter_blink_mode',
|
||
'enter_bold_mode',
|
||
'enter_ca_mode',
|
||
'enter_delete_mode',
|
||
'enter_dim_mode',
|
||
'enter_insert_mode',
|
||
'enter_secure_mode',
|
||
'enter_protected_mode',
|
||
'enter_reverse_mode',
|
||
'enter_standout_mode',
|
||
'enter_underline_mode',
|
||
'erase_chars',
|
||
'exit_alt_charset_mode',
|
||
'exit_attribute_mode',
|
||
'exit_ca_mode',
|
||
'exit_delete_mode',
|
||
'exit_insert_mode',
|
||
'exit_standout_mode',
|
||
'exit_underline_mode',
|
||
'flash_screen',
|
||
'form_feed',
|
||
'from_status_line',
|
||
'init_1string',
|
||
'init_2string',
|
||
'init_3string',
|
||
'init_file',
|
||
'insert_character',
|
||
'insert_line',
|
||
'insert_padding',
|
||
'key_backspace',
|
||
'key_catab',
|
||
'key_clear',
|
||
'key_ctab',
|
||
'key_dc',
|
||
'key_dl',
|
||
'key_down',
|
||
'key_eic',
|
||
'key_eol',
|
||
'key_eos',
|
||
'key_f0',
|
||
'key_f1',
|
||
'key_f10',
|
||
'key_f2',
|
||
'key_f3',
|
||
'key_f4',
|
||
'key_f5',
|
||
'key_f6',
|
||
'key_f7',
|
||
'key_f8',
|
||
'key_f9',
|
||
'key_home',
|
||
'key_ic',
|
||
'key_il',
|
||
'key_left',
|
||
'key_ll',
|
||
'key_npage',
|
||
'key_ppage',
|
||
'key_right',
|
||
'key_sf',
|
||
'key_sr',
|
||
'key_stab',
|
||
'key_up',
|
||
'keypad_local',
|
||
'keypad_xmit',
|
||
'lab_f0',
|
||
'lab_f1',
|
||
'lab_f10',
|
||
'lab_f2',
|
||
'lab_f3',
|
||
'lab_f4',
|
||
'lab_f5',
|
||
'lab_f6',
|
||
'lab_f7',
|
||
'lab_f8',
|
||
'lab_f9',
|
||
'meta_off',
|
||
'meta_on',
|
||
'newline',
|
||
'pad_char',
|
||
'parm_dch',
|
||
'parm_delete_line',
|
||
'parm_down_cursor',
|
||
'parm_ich',
|
||
'parm_index',
|
||
'parm_insert_line',
|
||
'parm_left_cursor',
|
||
'parm_right_cursor',
|
||
'parm_rindex',
|
||
'parm_up_cursor',
|
||
'pkey_key',
|
||
'pkey_local',
|
||
'pkey_xmit',
|
||
'print_screen',
|
||
'prtr_off',
|
||
'prtr_on',
|
||
'repeat_char',
|
||
'reset_1string',
|
||
'reset_2string',
|
||
'reset_3string',
|
||
'reset_file',
|
||
'restore_cursor',
|
||
'row_address',
|
||
'save_cursor',
|
||
'scroll_forward',
|
||
'scroll_reverse',
|
||
'set_attributes',
|
||
'set_tab',
|
||
'set_window',
|
||
'tab',
|
||
'to_status_line',
|
||
'underline_char',
|
||
'up_half_line',
|
||
'init_prog',
|
||
'key_a1',
|
||
'key_a3',
|
||
'key_b2',
|
||
'key_c1',
|
||
'key_c3',
|
||
'prtr_non',
|
||
'char_padding',
|
||
'acs_chars',
|
||
'plab_norm',
|
||
'key_btab',
|
||
'enter_xon_mode',
|
||
'exit_xon_mode',
|
||
'enter_am_mode',
|
||
'exit_am_mode',
|
||
'xon_character',
|
||
'xoff_character',
|
||
'ena_acs',
|
||
'label_on',
|
||
'label_off',
|
||
'key_beg',
|
||
'key_cancel',
|
||
'key_close',
|
||
'key_command',
|
||
'key_copy',
|
||
'key_create',
|
||
'key_end',
|
||
'key_enter',
|
||
'key_exit',
|
||
'key_find',
|
||
'key_help',
|
||
'key_mark',
|
||
'key_message',
|
||
'key_move',
|
||
'key_next',
|
||
'key_open',
|
||
'key_options',
|
||
'key_previous',
|
||
'key_print',
|
||
'key_redo',
|
||
'key_reference',
|
||
'key_refresh',
|
||
'key_replace',
|
||
'key_restart',
|
||
'key_resume',
|
||
'key_save',
|
||
'key_suspend',
|
||
'key_undo',
|
||
'key_sbeg',
|
||
'key_scancel',
|
||
'key_scommand',
|
||
'key_scopy',
|
||
'key_screate',
|
||
'key_sdc',
|
||
'key_sdl',
|
||
'key_select',
|
||
'key_send',
|
||
'key_seol',
|
||
'key_sexit',
|
||
'key_sfind',
|
||
'key_shelp',
|
||
'key_shome',
|
||
'key_sic',
|
||
'key_sleft',
|
||
'key_smessage',
|
||
'key_smove',
|
||
'key_snext',
|
||
'key_soptions',
|
||
'key_sprevious',
|
||
'key_sprint',
|
||
'key_sredo',
|
||
'key_sreplace',
|
||
'key_sright',
|
||
'key_srsume',
|
||
'key_ssave',
|
||
'key_ssuspend',
|
||
'key_sundo',
|
||
'req_for_input',
|
||
'key_f11',
|
||
'key_f12',
|
||
'key_f13',
|
||
'key_f14',
|
||
'key_f15',
|
||
'key_f16',
|
||
'key_f17',
|
||
'key_f18',
|
||
'key_f19',
|
||
'key_f20',
|
||
'key_f21',
|
||
'key_f22',
|
||
'key_f23',
|
||
'key_f24',
|
||
'key_f25',
|
||
'key_f26',
|
||
'key_f27',
|
||
'key_f28',
|
||
'key_f29',
|
||
'key_f30',
|
||
'key_f31',
|
||
'key_f32',
|
||
'key_f33',
|
||
'key_f34',
|
||
'key_f35',
|
||
'key_f36',
|
||
'key_f37',
|
||
'key_f38',
|
||
'key_f39',
|
||
'key_f40',
|
||
'key_f41',
|
||
'key_f42',
|
||
'key_f43',
|
||
'key_f44',
|
||
'key_f45',
|
||
'key_f46',
|
||
'key_f47',
|
||
'key_f48',
|
||
'key_f49',
|
||
'key_f50',
|
||
'key_f51',
|
||
'key_f52',
|
||
'key_f53',
|
||
'key_f54',
|
||
'key_f55',
|
||
'key_f56',
|
||
'key_f57',
|
||
'key_f58',
|
||
'key_f59',
|
||
'key_f60',
|
||
'key_f61',
|
||
'key_f62',
|
||
'key_f63',
|
||
'clr_bol',
|
||
'clear_margins',
|
||
'set_left_margin',
|
||
'set_right_margin',
|
||
'label_format',
|
||
'set_clock',
|
||
'display_clock',
|
||
'remove_clock',
|
||
'create_window',
|
||
'goto_window',
|
||
'hangup',
|
||
'dial_phone',
|
||
'quick_dial',
|
||
'tone',
|
||
'pulse',
|
||
'flash_hook',
|
||
'fixed_pause',
|
||
'wait_tone',
|
||
'user0',
|
||
'user1',
|
||
'user2',
|
||
'user3',
|
||
'user4',
|
||
'user5',
|
||
'user6',
|
||
'user7',
|
||
'user8',
|
||
'user9',
|
||
'orig_pair',
|
||
'orig_colors',
|
||
'initialize_color',
|
||
'initialize_pair',
|
||
'set_color_pair',
|
||
'set_foreground',
|
||
'set_background',
|
||
'change_char_pitch',
|
||
'change_line_pitch',
|
||
'change_res_horz',
|
||
'change_res_vert',
|
||
'define_char',
|
||
'enter_doublewide_mode',
|
||
'enter_draft_quality',
|
||
'enter_italics_mode',
|
||
'enter_leftward_mode',
|
||
'enter_micro_mode',
|
||
'enter_near_letter_quality',
|
||
'enter_normal_quality',
|
||
'enter_shadow_mode',
|
||
'enter_subscript_mode',
|
||
'enter_superscript_mode',
|
||
'enter_upward_mode',
|
||
'exit_doublewide_mode',
|
||
'exit_italics_mode',
|
||
'exit_leftward_mode',
|
||
'exit_micro_mode',
|
||
'exit_shadow_mode',
|
||
'exit_subscript_mode',
|
||
'exit_superscript_mode',
|
||
'exit_upward_mode',
|
||
'micro_column_address',
|
||
'micro_down',
|
||
'micro_left',
|
||
'micro_right',
|
||
'micro_row_address',
|
||
'micro_up',
|
||
'order_of_pins',
|
||
'parm_down_micro',
|
||
'parm_left_micro',
|
||
'parm_right_micro',
|
||
'parm_up_micro',
|
||
'select_char_set',
|
||
'set_bottom_margin',
|
||
'set_bottom_margin_parm',
|
||
'set_left_margin_parm',
|
||
'set_right_margin_parm',
|
||
'set_top_margin',
|
||
'set_top_margin_parm',
|
||
'start_bit_image',
|
||
'start_char_set_def',
|
||
'stop_bit_image',
|
||
'stop_char_set_def',
|
||
'subscript_characters',
|
||
'superscript_characters',
|
||
'these_cause_cr',
|
||
'zero_motion',
|
||
'char_set_names',
|
||
'key_mouse',
|
||
'mouse_info',
|
||
'req_mouse_pos',
|
||
'get_mouse',
|
||
'set_a_foreground',
|
||
'set_a_background',
|
||
'pkey_plab',
|
||
'device_type',
|
||
'code_set_init',
|
||
'set0_des_seq',
|
||
'set1_des_seq',
|
||
'set2_des_seq',
|
||
'set3_des_seq',
|
||
'set_lr_margin',
|
||
'set_tb_margin',
|
||
'bit_image_repeat',
|
||
'bit_image_newline',
|
||
'bit_image_carriage_return',
|
||
'color_names',
|
||
'define_bit_image_region',
|
||
'end_bit_image_region',
|
||
'set_color_band',
|
||
'set_page_length',
|
||
'display_pc_char',
|
||
'enter_pc_charset_mode',
|
||
'exit_pc_charset_mode',
|
||
'enter_scancode_mode',
|
||
'exit_scancode_mode',
|
||
'pc_term_options',
|
||
'scancode_escape',
|
||
'alt_scancode_esc',
|
||
'enter_horizontal_hl_mode',
|
||
'enter_left_hl_mode',
|
||
'enter_low_hl_mode',
|
||
'enter_right_hl_mode',
|
||
'enter_top_hl_mode',
|
||
'enter_vertical_hl_mode',
|
||
'set_a_attributes',
|
||
'set_pglen_inch',
|
||
|
||
// #ifdef __INTERNAL_CAPS_VISIBLE
|
||
'termcap_init2',
|
||
'termcap_reset',
|
||
'linefeed_if_not_lf',
|
||
'backspace_if_not_bs',
|
||
'other_non_function_keys',
|
||
'arrow_key_map',
|
||
'acs_ulcorner',
|
||
'acs_llcorner',
|
||
'acs_urcorner',
|
||
'acs_lrcorner',
|
||
'acs_ltee',
|
||
'acs_rtee',
|
||
'acs_btee',
|
||
'acs_ttee',
|
||
'acs_hline',
|
||
'acs_vline',
|
||
'acs_plus',
|
||
'memory_lock',
|
||
'memory_unlock',
|
||
'box_chars_1'
|
||
];
|
||
|
||
// DEC Special Character and Line Drawing Set.
|
||
// Taken from tty.js.
|
||
Tput.acsc = { // (0
|
||
'`': '\u25c6', // '◆'
|
||
'a': '\u2592', // '▒'
|
||
'b': '\u0009', // '\t'
|
||
'c': '\u000c', // '\f'
|
||
'd': '\u000d', // '\r'
|
||
'e': '\u000a', // '\n'
|
||
'f': '\u00b0', // '°'
|
||
'g': '\u00b1', // '±'
|
||
'h': '\u2424', // '\u2424' (NL)
|
||
'i': '\u000b', // '\v'
|
||
'j': '\u2518', // '┘'
|
||
'k': '\u2510', // '┐'
|
||
'l': '\u250c', // '┌'
|
||
'm': '\u2514', // '└'
|
||
'n': '\u253c', // '┼'
|
||
'o': '\u23ba', // '⎺'
|
||
'p': '\u23bb', // '⎻'
|
||
'q': '\u2500', // '─'
|
||
'r': '\u23bc', // '⎼'
|
||
's': '\u23bd', // '⎽'
|
||
't': '\u251c', // '├'
|
||
'u': '\u2524', // '┤'
|
||
'v': '\u2534', // '┴'
|
||
'w': '\u252c', // '┬'
|
||
'x': '\u2502', // '│'
|
||
'y': '\u2264', // '≤'
|
||
'z': '\u2265', // '≥'
|
||
'{': '\u03c0', // 'π'
|
||
'|': '\u2260', // '≠'
|
||
'}': '\u00a3', // '£'
|
||
'~': '\u00b7' // '·'
|
||
};
|
||
|
||
// Convert ACS unicode characters to the
|
||
// most similar-looking ascii characters.
|
||
Tput.utoa = Tput.prototype.utoa = {
|
||
'\u25c6': '*', // '◆'
|
||
'\u2592': ' ', // '▒'
|
||
// '\u0009': '\t', // '\t'
|
||
// '\u000c': '\f', // '\f'
|
||
// '\u000d': '\r', // '\r'
|
||
// '\u000a': '\n', // '\n'
|
||
'\u00b0': '*', // '°'
|
||
'\u00b1': '+', // '±'
|
||
'\u2424': '\n', // '\u2424' (NL)
|
||
// '\u000b': '\v', // '\v'
|
||
'\u2518': '+', // '┘'
|
||
'\u2510': '+', // '┐'
|
||
'\u250c': '+', // '┌'
|
||
'\u2514': '+', // '└'
|
||
'\u253c': '+', // '┼'
|
||
'\u23ba': '-', // '⎺'
|
||
'\u23bb': '-', // '⎻'
|
||
'\u2500': '-', // '─'
|
||
'\u23bc': '-', // '⎼'
|
||
'\u23bd': '_', // '⎽'
|
||
'\u251c': '+', // '├'
|
||
'\u2524': '+', // '┤'
|
||
'\u2534': '+', // '┴'
|
||
'\u252c': '+', // '┬'
|
||
'\u2502': '|', // '│'
|
||
'\u2264': '<', // '≤'
|
||
'\u2265': '>', // '≥'
|
||
'\u03c0': '?', // 'π'
|
||
'\u2260': '=', // '≠'
|
||
'\u00a3': '?', // '£'
|
||
'\u00b7': '*' // '·'
|
||
};
|
||
|
||
/**
|
||
* Expose
|
||
*/
|
||
|
||
exports = Tput;
|
||
exports.sprintf = sprintf;
|
||
|
||
module.exports = exports;
|