occweb/js/unix_formatting.js

602 lines
21 KiB
JavaScript

/**@license
* __ _____ ________ __
* / // _ /__ __ _____ ___ __ _/__ ___/__ ___ ______ __ __ __ ___ / /
* __ / // // // // // _ // _// // / / // _ // _// // // \/ // _ \/ /
* / / // // // // // ___// / / // / / // ___// / / / / // // /\ // // / /__
* \___//____ \\___//____//_/ _\_ / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
* \/ /____/
* http://terminal.jcubic.pl
*
* This is example of how to create custom formatter for jQuery Terminal
*
* Copyright (c) 2014-2018 Jakub Jankiewicz <http://jcubic.pl/me>
* Released under the MIT license
*
*/
/* global jQuery, define, global, require, module */
(function(factory) {
var root = typeof window !== 'undefined' ? window : global;
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
// istanbul ignore next
define(['jquery', 'jquery.terminal'], factory);
} else if (typeof module === 'object' && module.exports) {
// Node/CommonJS
module.exports = function(root, jQuery) {
if (jQuery === undefined) {
// require('jQuery') returns a factory that requires window to
// build a jQuery instance, we normalize how we use modules
// that require this pattern but the window provided is a noop
// if it's defined (how jquery works)
if (typeof window !== 'undefined') {
jQuery = require('jquery');
} else {
jQuery = require('jquery')(root);
}
}
if (!jQuery.fn.terminal) {
if (typeof window !== 'undefined') {
require('jquery.terminal');
} else {
require('jquery.terminal')(jQuery);
}
}
factory(jQuery);
return jQuery;
};
} else {
// Browser
// istanbul ignore next
factory(root.jQuery);
}
})(function($) {
$.terminal.defaults.unixFormattingEscapeBrackets = false;
// we match characters and html entities because command line escape brackets
// echo don't, when writing formatter always process html entitites so it work
// for cmd plugin as well for echo
var chr = '[^\\x08]|[\\r\\n]{2}|&[^;]+;';
var backspace_re = new RegExp('^(' + chr + ')?\\x08');
var overtyping_re = new RegExp('^(?:(' + chr + ')?\\x08(_|\\1)|' +
'(_)\\x08(' + chr + '))');
var new_line_re = /^(\r\n|\n\r|\r|\n)/;
var clear_line_re = /[^\r\n]+\r\x1B\[K/g;
// ---------------------------------------------------------------------
function length(string) {
return $.terminal.length(string);
}
// ---------------------------------------------------------------------
// :: Replace overtyping (from man) formatting with terminal formatting
// ---------------------------------------------------------------------
$.terminal.overtyping = function overtyping(string, options) {
string = $.terminal.unescape_brackets(string);
var settings = $.extend({
unixFormattingEscapeBrackets: false,
position: 0
}, options);
var removed_chars = [];
var new_position;
var char_count = 0;
var backspaces = [];
function replace(string, position) {
var result = '';
var push = 0;
var start;
char_count = 0;
function correct_position(start, match, rep_string) {
// logic taken from $.terminal.tracking_replace
if (start < position) {
var last_index = start + length(match);
if (last_index < position) {
// It's after the replacement, move it
new_position = Math.max(
0,
new_position +
length(rep_string) -
length(match)
);
} else {
// It's *in* the replacement, put it just after
new_position += length(rep_string) - (position - start);
}
}
}
for (var i = 0; i < string.length; ++i) {
var partial = string.substring(i);
var match = partial.match(backspace_re);
var removed_char = removed_chars[0];
if (match) {
// we remove backspace and character or html entity before it
// but we keep it in removed array so we can put it back
// when we have caritage return or line feed
if (match[1]) {
start = i - match[1].length + push;
removed_chars.push({
index: start,
string: match[1],
overtyping: partial.match(overtyping_re)
});
correct_position(start, match[0], '', 1);
}
if (char_count < 0) {
char_count = 0;
}
backspaces = backspaces.map(function(b) {
return b - 1;
});
backspaces.push(start);
return result + partial.replace(backspace_re, '');
} else if (partial.match(new_line_re)) {
// if newline we need to add at the end all characters
// removed by backspace but only if there are no more
// other characters than backspaces added between
// backspaces and newline
if (removed_chars.length) {
var chars = removed_chars;
removed_chars = [];
chars.reverse().forEach(function(char) {
if (i > char.index) {
if (--char_count <= 0) {
correct_position(char.index, '', char.string, 2);
result += char.string;
}
} else {
removed_chars.unshift(char);
}
});
}
var m = partial.match(new_line_re);
result += m[1];
i += m[1].length - 1;
} else {
if (backspaces.length) {
var backspace = backspaces[0];
if (i === backspace) {
backspaces.shift();
}
if (i >= backspace) {
char_count++;
}
}
if (removed_chars.length) {
// if we are in index of removed character we check if the
// character is the same it will be bold or if removed char
// or char at index is underscore then it will
// be terminal formatting with underscore
if (i > removed_char.index && removed_char.overtyping) {
removed_chars.shift();
correct_position(removed_char.index, '', removed_char.string);
// if we add special character we need to correct
// next push to removed_char array
push++;
// we use special characters instead of terminal
// formatting so it's easier to proccess when removing
// backspaces
if (removed_char.string === string[i]) {
result += string[i] + '\uFFF1';
continue;
} else if (removed_char.string === '_' ||
string[i] === '_') {
var chr;
if (removed_char.string === '_') {
chr = string[i];
} else {
chr = removed_char.string;
}
result += chr + '\uFFF2';
continue;
}
}
}
result += string[i];
}
}
return result;
}
var break_next = false;
// loop until not more backspaces
new_position = settings.position;
// we need to clear line \x1b[K in overtyping because it need to be before
// overtyping and from_ansi need to be called after so it escape stuff
// between Escape Code and cmd will have escaped formatting typed by user
var rep = $.terminal.tracking_replace(string, clear_line_re, '', new_position);
string = rep[0];
new_position = rep[1];
while (string.match(/\x08/) || removed_chars.length) {
string = replace(string, new_position);
if (break_next) {
break;
}
if (!string.match(/\x08/)) {
// we break the loop so if removed_chars still chave items
// we don't have infite loop
break_next = true;
}
}
function format(string, chr, style) {
var re = new RegExp('((:?.' + chr + ')+)', 'g');
return string.replace(re, function(_, string) {
var re = new RegExp(chr, 'g');
return '[[' + style + ']' + string.replace(re, '') + ']';
});
}
// replace special characters with terminal formatting
string = format(string, '\uFFF1', 'b;#fff;');
string = format(string, '\uFFF2', 'u;;');
if (settings.unixFormattingEscapeBrackets) {
string = $.terminal.escape_brackets(string);
}
if (options && typeof options.position === 'number') {
return [string, new_position];
}
return string;
};
// ---------------------------------------------------------------------
// :: Html colors taken from ANSI formatting in Linux Terminal
// ---------------------------------------------------------------------
$.terminal.ansi_colors = {
normal: {
black: '#000',
red: '#A00',
green: '#008400',
yellow: '#A50',
blue: '#00A',
magenta: '#A0A',
cyan: '#0AA',
white: '#AAA'
},
faited: {
black: '#000',
red: '#640000',
green: '#006100',
yellow: '#737300',
blue: '#000087',
magenta: '#650065',
cyan: '#008787',
white: '#818181'
},
bold: {
black: '#000',
red: '#F55',
green: '#44D544',
yellow: '#FF5',
blue: '#55F',
magenta: '#F5F',
cyan: '#5FF',
white: '#FFF'
},
// XTerm 8-bit pallete
palette: [
'#000000', '#AA0000', '#00AA00', '#AA5500', '#0000AA', '#AA00AA',
'#00AAAA', '#AAAAAA', '#555555', '#FF5555', '#55FF55', '#FFFF55',
'#5555FF', '#FF55FF', '#55FFFF', '#FFFFFF', '#000000', '#00005F',
'#000087', '#0000AF', '#0000D7', '#0000FF', '#005F00', '#005F5F',
'#005F87', '#005FAF', '#005FD7', '#005FFF', '#008700', '#00875F',
'#008787', '#0087AF', '#0087D7', '#0087FF', '#00AF00', '#00AF5F',
'#00AF87', '#00AFAF', '#00AFD7', '#00AFFF', '#00D700', '#00D75F',
'#00D787', '#00D7AF', '#00D7D7', '#00D7FF', '#00FF00', '#00FF5F',
'#00FF87', '#00FFAF', '#00FFD7', '#00FFFF', '#5F0000', '#5F005F',
'#5F0087', '#5F00AF', '#5F00D7', '#5F00FF', '#5F5F00', '#5F5F5F',
'#5F5F87', '#5F5FAF', '#5F5FD7', '#5F5FFF', '#5F8700', '#5F875F',
'#5F8787', '#5F87AF', '#5F87D7', '#5F87FF', '#5FAF00', '#5FAF5F',
'#5FAF87', '#5FAFAF', '#5FAFD7', '#5FAFFF', '#5FD700', '#5FD75F',
'#5FD787', '#5FD7AF', '#5FD7D7', '#5FD7FF', '#5FFF00', '#5FFF5F',
'#5FFF87', '#5FFFAF', '#5FFFD7', '#5FFFFF', '#870000', '#87005F',
'#870087', '#8700AF', '#8700D7', '#8700FF', '#875F00', '#875F5F',
'#875F87', '#875FAF', '#875FD7', '#875FFF', '#878700', '#87875F',
'#878787', '#8787AF', '#8787D7', '#8787FF', '#87AF00', '#87AF5F',
'#87AF87', '#87AFAF', '#87AFD7', '#87AFFF', '#87D700', '#87D75F',
'#87D787', '#87D7AF', '#87D7D7', '#87D7FF', '#87FF00', '#87FF5F',
'#87FF87', '#87FFAF', '#87FFD7', '#87FFFF', '#AF0000', '#AF005F',
'#AF0087', '#AF00AF', '#AF00D7', '#AF00FF', '#AF5F00', '#AF5F5F',
'#AF5F87', '#AF5FAF', '#AF5FD7', '#AF5FFF', '#AF8700', '#AF875F',
'#AF8787', '#AF87AF', '#AF87D7', '#AF87FF', '#AFAF00', '#AFAF5F',
'#AFAF87', '#AFAFAF', '#AFAFD7', '#AFAFFF', '#AFD700', '#AFD75F',
'#AFD787', '#AFD7AF', '#AFD7D7', '#AFD7FF', '#AFFF00', '#AFFF5F',
'#AFFF87', '#AFFFAF', '#AFFFD7', '#AFFFFF', '#D70000', '#D7005F',
'#D70087', '#D700AF', '#D700D7', '#D700FF', '#D75F00', '#D75F5F',
'#D75F87', '#D75FAF', '#D75FD7', '#D75FFF', '#D78700', '#D7875F',
'#D78787', '#D787AF', '#D787D7', '#D787FF', '#D7AF00', '#D7AF5F',
'#D7AF87', '#D7AFAF', '#D7AFD7', '#D7AFFF', '#D7D700', '#D7D75F',
'#D7D787', '#D7D7AF', '#D7D7D7', '#D7D7FF', '#D7FF00', '#D7FF5F',
'#D7FF87', '#D7FFAF', '#D7FFD7', '#D7FFFF', '#FF0000', '#FF005F',
'#FF0087', '#FF00AF', '#FF00D7', '#FF00FF', '#FF5F00', '#FF5F5F',
'#FF5F87', '#FF5FAF', '#FF5FD7', '#FF5FFF', '#FF8700', '#FF875F',
'#FF8787', '#FF87AF', '#FF87D7', '#FF87FF', '#FFAF00', '#FFAF5F',
'#FFAF87', '#FFAFAF', '#FFAFD7', '#FFAFFF', '#FFD700', '#FFD75F',
'#FFD787', '#FFD7AF', '#FFD7D7', '#FFD7FF', '#FFFF00', '#FFFF5F',
'#FFFF87', '#FFFFAF', '#FFFFD7', '#FFFFFF', '#080808', '#121212',
'#1C1C1C', '#262626', '#303030', '#3A3A3A', '#444444', '#4E4E4E',
'#585858', '#626262', '#6C6C6C', '#767676', '#808080', '#8A8A8A',
'#949494', '#9E9E9E', '#A8A8A8', '#B2B2B2', '#BCBCBC', '#C6C6C6',
'#D0D0D0', '#DADADA', '#E4E4E4', '#EEEEEE'
]
};
// ---------------------------------------------------------------------
// :: Replace ANSI formatting with terminal formatting
// ---------------------------------------------------------------------
$.terminal.from_ansi = (function() {
var color_list = {
30: 'black',
31: 'red',
32: 'green',
33: 'yellow',
34: 'blue',
35: 'magenta',
36: 'cyan',
37: 'white',
39: 'inherit' // default color
};
var background_list = {
40: 'black',
41: 'red',
42: 'green',
43: 'yellow',
44: 'blue',
45: 'magenta',
46: 'cyan',
47: 'white',
49: 'transparent' // default background
};
function format_ansi(code) {
var controls = code.split(';');
var num;
var faited = false;
var reverse = false;
var bold = false;
var styles = [];
var output_color = '';
var output_background = '';
var _process_true_color = -1;
var _ex_color = false;
var _ex_background = false;
var _process_8bit = false;
var palette = $.terminal.ansi_colors.palette;
function set_styles(num) {
switch (num) {
case 1:
styles.push('b');
bold = true;
faited = false;
break;
case 4:
styles.push('u');
break;
case 3:
styles.push('i');
break;
case 5:
if (_ex_color || _ex_background) {
_process_8bit = true;
}
break;
case 38:
_ex_color = true;
break;
case 48:
_ex_background = true;
break;
case 2:
if (_ex_color || _ex_background) {
_process_true_color = 0;
} else {
faited = true;
bold = false;
}
break;
case 7:
reverse = true;
break;
default:
if (controls.indexOf('5') === -1) {
if (color_list[num]) {
output_color = color_list[num];
}
if (background_list[num]) {
output_background = background_list[num];
}
}
}
}
// -----------------------------------------------------------------
function process_true_color() {
if (_ex_color) {
if (!output_color) {
output_color = '#';
}
if (output_color.length < 7) {
output_color += ('0' + num.toString(16)).slice(-2);
}
}
if (_ex_background) {
if (!output_background) {
output_background = '#';
}
if (output_background.length < 7) {
output_background += ('0' + num.toString(16)).slice(-2);
}
}
if (_process_true_color === 2) {
_process_true_color = -1;
} else {
_process_true_color++;
}
}
// -----------------------------------------------------------------
function should__process_8bit() {
return _process_8bit && ((_ex_background && !output_background) ||
(_ex_color && !output_color));
}
// -----------------------------------------------------------------
function process_8bit() {
if (_ex_color && palette[num] && !output_color) {
output_color = palette[num];
}
if (_ex_background && palette[num] && !output_background) {
output_background = palette[num];
}
_process_8bit = false;
}
// -----------------------------------------------------------------
for (var i in controls) {
if (controls.hasOwnProperty(i)) {
num = parseInt(controls[i], 10);
if (_process_true_color > -1) {
process_true_color();
} else if (should__process_8bit()) {
process_8bit();
} else {
set_styles(num);
}
}
}
if (reverse) {
if (output_color || output_background) {
var tmp = output_background;
output_background = output_color;
output_color = tmp;
} else {
output_color = 'black';
output_background = 'white';
}
}
var colors, color, background, backgrounds;
if (bold) {
colors = backgrounds = $.terminal.ansi_colors.bold;
} else if (faited) {
colors = backgrounds = $.terminal.ansi_colors.faited;
} else {
colors = backgrounds = $.terminal.ansi_colors.normal;
}
if (_ex_color) {
color = output_color;
} else if (output_color === 'inherit') {
color = output_color;
} else {
color = colors[output_color];
}
if (_ex_background) {
background = output_background;
} else if (output_background === 'transparent') {
background = output_background;
} else {
background = backgrounds[output_background];
}
return [styles.join(''), color, background];
}
return function from_ansi(input, options) {
options = options || {};
input = $.terminal.unescape_brackets(input);
var settings = $.extend({
unixFormattingEscapeBrackets: false,
position: 0
}, options);
var new_position = settings.position;
var position = new_position;
var result;
//merge multiple codes
/*input = input.replace(/((?:\x1B\[[0-9;]*[A-Za-z])*)/g, function(group) {
return group.replace(/m\x1B\[/g, ';');
});*/
var splitted = input.split(/(\x1B\[[0-9;]*[A-Za-z])/g);
if (splitted.length === 1) {
if (settings.unixFormattingEscapeBrackets) {
result = $.terminal.escape_formatting(input);
} else {
result = input;
}
if (typeof options.position === 'number') {
return [result, new_position];
}
return result;
}
var output = [];
//skip closing at the begining
if (splitted.length > 3) {
var str = splitted.slice(0, 3).join('');
if (str.match(/^\[0*m$/)) {
splitted = splitted.slice(3);
}
}
var prev_color, prev_background, code, match;
var inside = false;
for (var i = 0; i < splitted.length; ++i) {
match = splitted[i].match(/^\x1B\[([0-9;]*)([A-Za-z])$/);
if (match) {
var start = match.index;
// logic taken from $.terminal.tracking_replace
if (start < position) {
var last_index = start + $.terminal.length(match[0]);
if (last_index < position) {
// It's after the replacement, move it
new_position = Math.max(
0,
new_position +
$.terminal.length(match[0])
);
} else {
// It's *in* the replacement, put it just after
new_position += position - start;
}
}
switch (match[2]) {
case 'm':
if (+match[1] !== 0) {
code = format_ansi(match[1]);
}
if (inside) {
output.push(']');
if (+match[1] === 0) {
//just closing
inside = false;
prev_color = prev_background = '';
} else {
// someone forget to close - move to next
code[1] = code[1] || prev_color;
code[2] = code[2] || prev_background;
output.push('[[' + code.join(';') + ']');
// store colors to next use
if (code[1]) {
prev_color = code[1];
}
if (code[2]) {
prev_background = code[2];
}
}
} else if (+match[1] !== 0) {
inside = true;
code[1] = code[1] || prev_color;
code[2] = code[2] || prev_background;
output.push('[[' + code.join(';') + ']');
// store colors to next use
if (code[1]) {
prev_color = code[1];
}
if (code[2]) {
prev_background = code[2];
}
}
break;
}
} else if (settings.unixFormattingEscapeBrackets) {
output.push($.terminal.escape_formatting(splitted[i]));
} else {
output.push(splitted[i]);
}
}
if (inside) {
output.push(']');
}
result = output.join('');
if (options && typeof options.position === 'number') {
return [result, new_position];
}
return result;
};
})();
$.terminal.defaults.formatters.unshift($.terminal.from_ansi);
$.terminal.defaults.formatters.unshift($.terminal.overtyping);
});