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weasel.html
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weasel.html
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<!DOCTYPE html>
<html data-theme="dark">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta charset="UTF-8">
<title>Weasel</title>
<style>
/* general color scheme */
:root { /* light theme */
--color-0: rgb(255, 255, 255);
--color-1: rgb(249, 249, 250);
--color-2: rgb(26, 0, 52);
--color-3: rgb(43, 0, 0);
--color-4: rgb(230, 230, 230);
--color-5: rgb(128, 0, 0);
--color-6: rgb(90, 90, 90);
--color-7: rgb(170, 170, 170);
}
:root[data-theme^='dark'] { /* dark theme */
--color-0: rgb(0, 0, 0);
--color-1: rgb(30, 30, 30);
--color-2: rgb(255, 252, 222);
--color-3: rgb(255, 206, 97);
--color-4: rgb(49, 49, 49);
--color-5: rgb(18, 226, 176);
--color-6: rgb(181, 181, 181);
--color-7: rgb(142, 117, 64);
}
/* terminal color scheme */
:root[data-theme^='dark'] {
--color-trm-bg: rgb(0, 0, 0);
--color-trm: rgb(255, 252, 222);
--color-opn: rgb(0, 255, 152);
--color-cls: rgb(255, 214, 0);
--color-err: rgb(255, 46, 46);
--color-out: rgb(254, 142, 57);
--color-in: rgb(37, 244, 227);
}
:root { /* light */
--color-trm-bg: rgb(255, 255, 255);
--color-trm: rgb(107, 0, 50);
--color-opn: rgb(0, 150, 150);
--color-cls: rgb(255, 0, 0);
--color-err: rgb(116, 0, 122);
--color-out: rgb(0, 150, 0);
--color-in: rgb(45, 0, 70);
}
/* syntax highlighting color scheme */
:root[data-theme^='dark'] {
--color-highlight-string: rgb(0, 255, 152);
--color-highlight-string-out: rgb(0, 219, 110);
--color-highlight-number: rgb(255, 115, 0);
--color-highlight-boolean: rgb(255, 214, 0);
--color-highlight-null: rgb(0, 150, 0);
}
:root { /* light */
--color-highlight-string: rgb(0, 0, 0);
--color-highlight-string-out: rgb(0, 29, 17);
--color-highlight-number: rgb(199, 36, 0);
--color-highlight-boolean: rgb(65, 0, 158);
--color-highlight-null: rgb(46, 73, 46);
}
:root {
--font: monospace, sans-serif;
font-family: var(--font);
background-color: var(--color-1);
color: var(--color-2);
font-size: 16px;
font-weight: 400;
--font-weight-headings: 300;
--font-weight-terminal: 400;
--font-weight-buttons: 900;
--font-weight-buttons-secondary: 400;
width: 100vw;
line-height: 1.15; /* correct the line height in all browsers */
/* -webkit-text-size-adjust: 100%; */
/* 🡡 to prevent adjustments of font size after orientation changes in iOS : */
}
body {
padding: 0; margin: 0; /* reset */
font-family: var(--font);
width: 95vw;
margin: 0 2.5vw;
overflow-x: hidden;
box-sizing: border-box;
border: none; outline: none;
padding: 0.25rem 1rem;
}
body > :first-child {
margin-top: 1rem !important;
}
h1 {
font-size: 1.5rem;
font-weight: var(--font-weight-headings);
margin: 0.5rem 0 0.25rem;
}
h2 {
font-size: 1rem;
margin: 0.5rem 0 1.5rem;
font-weight: var(--font-weight-headings);
}
h2 span {
font-size: 0.75em;
vertical-align: top;
}
a {
color: var(--color-2);
background-color: transparent;
text-decoration: none;
cursor: pointer;
}
form, fieldset, div {
width: 100%;
box-sizing: border-box;
border-color: var(--color-6);
border-width: 1px;
margin: 0.5rem 0;
}
input, button { /* normalize */
overflow: visible;
text-transform: none;
font-family: inherit;
font-size: 100%;
line-height: 1.15;
margin: 0;
}
input {
margin: 0.25rem 0;
box-sizing: content-box;
}
input, input::placeholder {
font-family: var(--font);
}
input[type='text']::placeholder {
color: var(--color-7);
}
input[type='text']{
border: solid 2px var(--color-6);
padding: 0.25rem 0.5rem;
letter-spacing: 0.125rem;
vertical-align: middle;
border-radius: 0.25rem;
text-align: center;
}
input[type='text'], input[type='text']::placeholder {
height: 2rem;
font-size: 1rem;
}
input[type='text'] {
border-color: var(--color-4);
background-color: var(--color-0);
color: var(--color-3);
}
input[type='button'], input[type='submit'] {
font-size: 1rem;
font-weight: var(--font-weight-buttons);
height: 1.75rem;
padding: 0.25rem 0.75rem;
border-radius: 0.25rem;
border: solid 1px var(--color-4);
background-color: var(--color-4);
color: var(--color-5);
cursor: pointer;
outline: none;
}
input[type='button']::-moz-focus-inner, input[type='button']:active,
input[type='submit']::-moz-focus-inner, input[type='submit']:active { /* reset */
border-style: none;
border: none;
padding: 0.25rem 0.75rem;
outline: none;
}
input[type='button']:hover, input[type='submit']:hover {
color: var(--color-3);
}
input[type='button']:active, input[type='submit']:active {
color: var(--color-0);
background-color: var(--color-5);
}
textarea:focus, input:focus {
outline: none;
border-color: var(--color-5);
}
textarea {
display: block;
width: 100%;
height: 16vh;
font-family: inherit;
line-height: 1.15;
font-size: 0.9rem;
margin: 0.25rem 0;
padding: 1rem;
box-sizing: border-box;
outline: none;
border: solid 1px var(--color-6);
border-radius: 0.25rem;
background-color: var(--color-0);
color: var(--color-3);
resize: vertical;
margin-bottom: 0.75rem;
overflow: auto; /* remove the default vertical scrollbar in IE 10+ */
}
fieldset {
display: block;
box-sizing: border-box;
margin-top: 0.75rem;
border-color: var(--color-6);
padding: 0.35em 0.75em 0.625em; /* normalize */
}
legend {
text-align: left;
color: var(--color-6);
/* corrections mainly for Edge and IE */
box-sizing: border-box;
display: table;
max-width: 100%;
font-size: 0.9em;
padding: 0 0.25em;
white-space: normal;
}
#ws-construction fieldset {
padding-left: 1rem;
}
#terminal {
overflow-x: hidden;
overflow-y: auto;
height: 40vh;
resize: vertical;
padding: 1em;
font-size: 0.9rem;
font-weight: var(--font-weight-terminal);
background-color: var(--color-trm-bg);
}
#terminal, textarea#message { /* firefox */
scrollbar-color: var(--color-7) var(--color-trm-bg);
scrollbar-width: thin;
}
/* scrollbar for chrome */
#terminal::-webkit-scrollbar, textarea#message::-webkit-scrollbar {
height: 100%;
width: 0.75em;
}
#terminal::-webkit-scrollbar-track-piece, textarea#message::-webkit-scrollbar-track-piece {
background-color: var(--color-trm-bg);
}
#terminal::-webkit-scrollbar-thumb, textarea#message::-webkit-scrollbar-thumb {
background-color: var(--color-7);
}
#terminal p {
margin: 0;
margin-top: 1px;
margin-left: 4.5em;
margin-right: 0.5em;
text-indent: -4.5em;
line-height: 1.5em;
word-wrap: break-word;
word-break: break-all;
white-space: normal;
color: var(--color-trm);
}
#terminal p::before {
margin: auto 2em;
font-size: 1.25em;
}
#terminal p.outgoing::before { content: '▲'; }
#terminal p.incoming::before { content: '▼'; }
#terminal p.closing::before { content: '✘'; }
#terminal p.opening::before { content: '✔'; }
#terminal p.url::before { content: '✈'; }
#terminal p.error::before { content: '↯'; }
#terminal p.opening {
color: var(--color-opn);
}
#terminal p.closing {
color: var(--color-cls);
}
#terminal p.closing::after {
content: '';
width: 60%;
margin: 2em 20%; /* the gap between dialogs */
display: block;
position: relative;
bottom: 0;
left: 0;
filter: opacity(0.5);
border-bottom: dotted 1px var(--color-cls);
}
#terminal p.error {
color: var(--color-err);
}
#terminal p.incoming {
color: var(--color-in);
}
#terminal p.outgoing {
color: var(--color-out);
}
#terminal p.binary-links {
margin: auto;
margin-left: 4.75em;
text-indent: 0.5em;
font-size: 1em;
color: var(--color-in);
}
#terminal p.binary-links a, #terminal p.binary-links span {
color: inherit;
border-bottom: solid 1px var(--color-in);
margin: auto 0.5em;
cursor: pointer;
}
#terminal p.binary-links a:hover, #terminal p.binary-links span:hover {
color: var(--color-3);
}
#terminal .json span {
word-wrap: break-word;
word-break: break-all;
white-space: normal;
}
#terminal .json pre {
margin: 0 auto;
width: 100%;
/* normalize */
font-family: monospace, monospace;
font-size: 1em;
}
#terminal .json span:not(.key) { font-style: italic; }
#terminal .json.incoming .string { color: var(--color-highlight-string); }
#terminal .json.outgoing .string { color: var(--color-highlight-string-out); }
#terminal .json .number { color: var(--color-highlight-number); }
#terminal .json .boolean { color: var(--color-highlight-boolean); }
#terminal .json .null { color: var(--color-highlight-null); }
#terminal p:last-of-type {
margin-bottom: 4rem;
}
#memory { /* ol */
display: inline-block;
list-style: none;
padding: 0;
margin: 0.25rem 0;
}
#memory li {
display: inline-block;
vertical-align: middle;
width: 1.75rem; height: 1.75rem;
border: solid 1px var(--color-2);
border-radius: 0.5rem;
margin: 0.25rem;
}
fieldset fieldset:last-of-type { /* binary */
padding: 0.75rem;
}
#file-selector {
display: inline-block;
width: auto;
max-width: 100%;
height: 2.25rem;
padding: 0;
margin: 0;
margin: 0;
outline: none;
border: none;
margin-bottom: 0.25rem;
}
#file-selector #file-input {
display: none;
}
#file-selector #file-selector-botton { /* label */
display: inline-block;
background-color: var(--color-4);
color: var(--color-5);
padding: 0 1rem 0 0;
vertical-align: middle;
cursor: pointer;
border-radius: 0.5rem;
overflow: hidden;
height: 100%;
line-height: 2.25rem;
}
#file-selector #file-selector-botton #file-name {
word-break: break-all;
text-align: center;
margin: 0 1rem;
color: var(--color-3);
}
#file-selector #file-selector-botton span:first-of-type {
display: inline-block;
height: 100%;
padding: 0 1rem;
border-right: solid 2px var(--color-1);
box-sizing: border-box;
}
#file-selector #file-selector-botton:hover span:first-of-type {
background-color: var(--color-5);
color: var(--color-0);
}
#file-selector #file-selector-botton:active #file-name {
color: var(--color-5);
}
#side-menu {
margin-top: 1rem;
margin-left: -0.25rem;
text-align: center;
}
#side-menu a {
display: inline-block;
height: 1.25rem;
line-height: 1.25rem;
vertical-align: middle;
font-size: 1rem;
margin: 0.25rem 0.25rem;
font-weight: var(--font-weight-buttons-secondary);
padding: 0.25rem 0.5rem;
border-radius: 0.25rem;
border: none;
background-color: var(--color-4);
color: var(--color-6);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
#side-menu a:hover {
color: var(--color-3);
}
#side-menu a:active{
background-color: var(--color-3);
color: var(--color-0);
}
#branding {
width: 100%;
margin: 0;
margin-top: 3rem;
margin-bottom: 1.5rem;
}
#branding a {
color: var(--color-6);
filter: opacity(0.25);
}
/* more mobile friendly / responsive styling */
@media only screen and (orientation: portrait) and (max-device-width: 480px){
#ws-construction input[type=text] {
display: block;
margin-bottom: 0.5rem;
width: 90%;
}
input[type='file'] {
max-width: 70vw;
display: block;
}
#terminal p {
font-size: 0.9rem;
margin-left: 2.5em;
}
#terminal p.binary-links {
margin-left: 3.75em;
}
textarea {
font-size: 0.9rem;
}
#side-menu a:before {
filter: opacity(0.3);
}
#side-menu a {
display: inline-block;
border: none;
width: 70vw;
}
#branding {
text-align: center;
}
}
</style>
<script>
// jshint esversion:6
// jshint -W069
var DEFAULT_THEME = 'dark';
var MIN_ADJACENT_SLOTS_HUE_DIFF = 25;
var FORMAT_BY_MAGIC_NUMBERS = {
'89504E47':'png', '47494638':'gif', '25504446':'pdf', 'FFD8FFDB': 'jpg', 'FFD8FFEE':'jpg', '4F676753':'ogg', '38425053':'psd',
'FFD8FFE0':'jpg', 'FFD8FFE1':'jpg', '49492A00':'tif', '4D4D002A':'tif', '53445058':'dpx', '58504453':'dpx', '7B5C7274':'rtf',
'504B0304':'zip', '52617221':'rar', 'EDABEEDB':'rpm', '54444624':'tdf', '54444546':'tdef', '762F3101':'exr', '425047FB':'bpg',
'57415645':'wav', '41564920':'avi', '664C6143':'flac', '4D546864':'midi', '75737461':'tar', '377ABCAF':'7z', 'FD377A58':'xz',
'464C4946':'flif', '1A45DFA3':'mkv', '41542654':'djv', '774F4646':'woff', '774F4632':'woff2', '3C3F786D':'xml', '0061736D':'asm',
'213C6172':'deb', '000001BA':'mpg', '000001B3':'mpg', '1B4C7561':'luac'
};
var WS;
var root, terminal, url, protocol, message, memory;
var _ArrayBuffers = [], _Blobs = [], _JSONs = [], _Memory = {}, _Memory_order = [];
var last_used_memory_slot_color, last_remembered_slot;
var TIME_MACHINE_CAPACITY = 75, time_machine = [], time_machine_index = 0;
var auto_scroll = true, auto_scroll_marker;
var file_selector_display;
function createSocket() {
if (WS && 'readyState' in WS && WS.readyState === 1 ){
WS.onclose = function(ev) { onClose(ev); createSocket(); };
writeToScreen('Overriding Existing Connection...', 'error');
WS.close();
} else {
var supports = 'WebSocket' in window || 'MozWebSocket' in window;
var protocols;
if ( supports ){
if ( url.value.length > 0 ) {
try {
if( protocol.value.length > 0 ) {
protocols = protocol.value.trim().replace(/\s/g, '');
protocols = ( protocols.indexOf(',') > 0 ? protocols.split(',') : protocols);
WS = window['MozWebSocket'] ? new MozWebSocket(url.value, protocols) : new WebSocket(url.value, protocols);
} else {
WS = window['MozWebSocket'] ? new MozWebSocket(url.value) : new WebSocket(url.value);
}
WS.onopen = function(ev) { onOpen(ev); };
WS.onclose = function(ev) { onClose(ev); };
WS.onmessage = function(ev) { onMessage(ev); };
WS.onerror = function(ev) { onError(ev); };
protocols = protocols ? ( typeof protocols === 'string' ? protocols : protocols.join(' , ') ) : '';
if ( protocols.length > 0 ) protocols = `[ ${protocols} ]`;
writeToScreen(`CONNECTING: ${ url.value.toUpperCase() } ${protocols}`, 'url');
} catch(err){
writeToScreen('Unable to Create Socket! ' + err.message, 'error');
}
} else {
writeToScreen('We Need a URL to Connect!', 'error');
}
// also save the last configs to the storage
localStorage._weasel_last_used_protocol = protocol.value;
localStorage._weasel_last_used_url = url.value;
} else {
writeToScreen("This Browser Doesn't Support WebSocket!", 'error');
}
}
}
function onOpen(ev){
writeToScreen('CONNECTION READY', 'opening');
}
function onClose(ev){
writeToScreen('CONNECTION CLOSED!', 'closing');
}
function onMessage(ev){
var msg, bin_group, bin_position;
if ( ev.data instanceof ArrayBuffer ){
bin_group = '_ArrayBuffers';
bin_position = _ArrayBuffers.length;
_ArrayBuffers.push(ev.data);
msg = `${ev.data.byteLength} byte ArrayBuffer!`;
} else if ( ev.data instanceof Blob ){
bin_group = '_Blobs';
bin_position = _Blobs.length;
_Blobs.push(ev.data);
msg = `${ev.data.size} byte Blob!`;
} else {
msg = (typeof ev.data === 'object') ? JSON.stringify(ev.data) : ev.data;
}
writeToScreen( msg, 'incoming');
if (bin_position !== undefined) makeBinaryLink(bin_group, bin_position);
}
function onError(ev){
console.log(ev);
var error_ = (ev && ev.data) ? ev.data : "The Connection is Abruptly Closed or Couldn't be Opened !";
writeToScreen(error_, 'error');
}
function doSend(){
if ( message.value.length > 0 ){
if (WS && WS.readyState === 1 ) {
writeToScreen(message.value, 'outgoing');
WS.send(message.value);
keepHistory(message.value);
} else {
writeToScreen('SOCKET IS NOT OPEN/READY', 'error');
}
}
}
function doSendBinary(send_as_blob){
var file = document.querySelector('input[type="file"]').files[0];
if (WS && WS.readyState === 1 ){
if ( typeof file === 'object' ){
if( send_as_blob ){
WS.binaryType = 'blob';
WS.send(file);
writeToScreen(`♣ Blob Buffer Sent: ${file.name} [${file.size} B]`, 'outgoing');
} else {
var fileReader = new FileReader();
fileReader.onerror = writeToScreen.bind(null, 'Unable to Read File As Array Buffer', 'error');
fileReader.readAsArrayBuffer(file);
fileReader.onload = function (ev) {
if (ev.target.readyState === FileReader.DONE){
WS.binaryType = 'arraybuffer';
WS.send(fileReader.result);
writeToScreen(`♠ Array Buffer Sent: ${file.name} [${file.size} B]`, 'outgoing');
}
};
}
} else {
writeToScreen('No File Selected!', 'error');
}
} else {
writeToScreen('SOCKET IS NOT OPEN/READY', 'error');
}
}
var DOM_Parser = new DOMParser();
function writeToScreen(message, class_name){
var is_json, pretty_print;
if ( typeof message === 'string' && '{['.indexOf(message.trim()[0]) !== -1 ){
try {
var object = JSON.parse(message);
pretty_print = JSON.stringify(object, undefined, 3);
if (class_name === 'incoming') _JSONs.push(object);
is_json = true;
} catch(err){
is_json = false;
}
}
var p = document.createElement('p');
if ( is_json === true ) {
p.className = `${class_name} json`;
var parsed_syntax_highlighted = DOM_Parser.parseFromString(`<pre>\t${ syntaxHighlight(pretty_print) }\t</pre>`, "text/html");
var pre_contents = parsed_syntax_highlighted.getElementsByTagName('pre');
for (var tag of pre_contents) {
p.appendChild(tag);
}
} else {
p.className = class_name;
p.innerText = (typeof message === 'object') ? JSON.stringify(message) : message;
}
terminal.appendChild(p);
if(auto_scroll) terminal.scrollTop = terminal.scrollHeight;
}
function switchAutoScroll(){
auto_scroll = !auto_scroll;
auto_scroll_marker.innerText = auto_scroll ? '⚫' : '⚪';
}
function syntaxHighlight(json) {
var syntax_highlighted_json = json.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
return syntax_highlighted_json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) {
var type = 'number';
if (/^"/.test(match)) {
if (/:$/.test(match)) {
type = 'key';
} else {
type = 'string';
}
} else if (/true|false/.test(match)) {
type = 'boolean';
} else if (/null/.test(match)) {
type = 'null';
}
return `<span class="${type}">${match}</span>`;
});
}
function magicallyFindType(magic_slice, bin){
var uint = new Uint8Array(magic_slice);
var bytes = [];
uint.forEach( function(byte){
bytes.push( byte.toString(16) );
});
var hex = bytes.join('').toUpperCase();
bin.magic_number = hex;
return ( FORMAT_BY_MAGIC_NUMBERS.hasOwnProperty(hex) ) ? FORMAT_BY_MAGIC_NUMBERS[hex] : 'bin';
}
function makeBinaryLink(bin_group, bin_position){
var blob;
var bin = window[bin_group][bin_position];
if ( bin instanceof Blob ){
blob = bin;
} else if ( bin instanceof ArrayBuffer ) {
blob = new Blob( [bin] );
}
var link = window.URL.createObjectURL(blob);
var extension;
if ( typeof blob.type === 'string' && blob.type.length > 0 ){
extension = blob.type;
} else {
if ( bin instanceof Blob ){
var filereader = new FileReader();
filereader.onloadend = function(ev) {
if (ev.target.readyState === FileReader.DONE) {
extension = magicallyFindType(ev.target.result, bin);
writeBinaryLinks(link, bin_group, bin_position, extension);
}
};
var magic_part = bin.slice(0, 4);
filereader.readAsArrayBuffer(magic_part);
} else if ( bin instanceof ArrayBuffer ){
var magic_slice = bin.slice(0, 4);
extension = magicallyFindType(magic_slice, bin);
writeBinaryLinks(link, bin_group, bin_position, extension);
} else {
writeBinaryLinks(link, bin_group, bin_position, extension);
}
}
}
function writeBinaryLinks(link, bin_group, bin_position, extension){
var bin_title = `${bin_group}[${bin_position}]`;
var links = document.createElement('p');
links.innerText = `${bin_title} :: ${extension.toUpperCase()} `;
var download = document.createElement('a');
download.setAttribute('download', `${bin_title}.${extension}`);
download.href = link;
download.innerText = 'SAVE ⮟';
links.appendChild(download);
var open = document.createElement('a');
open.target = '_blank';
open.href = link;
open.innerText = 'OPEN ⯁';
links.appendChild(open);
var print = document.createElement('span');
print.innerText = 'LOG ☷';
print.addEventListener('click', function(){
console.log(bin_title, window[bin_group][bin_position]);
});
links.appendChild(print);
links.className = 'binary-links';
terminal.appendChild(links);
}
function colorIsNotClear(usedColor){
return (
_Memory.hasOwnProperty(usedColor) ||
( last_used_memory_slot_color != undefined &&
Math.abs(last_used_memory_slot_color - usedColor) < MIN_ADJACENT_SLOTS_HUE_DIFF
)
);
}
function appendMemorySlot(slotColor){
var memory_slot = document.createElement('li');
memory_slot.style.backgroundColor = `hsl(${slotColor},50%,50%)`;
memory_slot.id = `m-${slotColor}`;
memory_slot.addEventListener('click', remember.bind(null, slotColor));
memory_slot.addEventListener('dblclick', remember.bind(null, slotColor, undefined, true));
memory_slot.addEventListener('contextmenu', forget.bind(null, slotColor));
memory.appendChild(memory_slot);
}
function memorize(){
if ( message.value.length > 0 ){
var randomHueID;
do { // make a unique color/id for the _Memory
randomHueID = Math.floor(Math.random() * 360) + 1;
} while ( colorIsNotClear(randomHueID) );
last_used_memory_slot_color = randomHueID;
_Memory[randomHueID] = message.value;
last_remembered_slot = _Memory_order.length;
_Memory_order.push(randomHueID);
appendMemorySlot(randomHueID);
}
}
function remember(memorySlotID, remembered_index, also_send){
if ( _Memory.hasOwnProperty(memorySlotID) ){
message.value = _Memory[memorySlotID];
if( remembered_index == undefined || remembered_index >= _Memory_order.length ) last_remembered_slot = _Memory_order.indexOf(memorySlotID);
if (also_send === true) doSend();
}
}
function rememberRoll(){
var slots_count = _Memory_order.length;
if ( slots_count > 0 ){
if (typeof last_remembered_slot !== 'number' || last_remembered_slot >= (slots_count - 1)){
last_remembered_slot = 0;
} else {
last_remembered_slot++;
}
remember(_Memory_order[last_remembered_slot], last_remembered_slot);
} else {
writeToScreen('No Memory Slot to Rotate!', 'error');
}
}
function keepHistory(sent_message){
time_machine_index = 0;
time_machine.unshift(sent_message);
if (time_machine.length > TIME_MACHINE_CAPACITY) time_machine.pop();
}
function timeMachine( direction ){
if ( time_machine.length > 0 ){
// time_machine_index[0] is the last recent record
if (direction === true && time_machine_index < (time_machine.length - 1)){ // backward
time_machine_index++;
}
if (direction === false && time_machine_index > 0) { // forward
time_machine_index--;
}
message.value = time_machine[time_machine_index];
}
}
function forget(memorySlotID, event){
if (event) event.preventDefault();
if ( _Memory.hasOwnProperty(memorySlotID) ){
delete _Memory[memorySlotID];
var slot_index = _Memory_order.indexOf(memorySlotID);
if (last_remembered_slot == slot_index) last_remembered_slot = undefined;
_Memory_order.splice(slot_index, 1);
document.getElementById(`m-${memorySlotID}`).remove();
}
}
function storeMemorySlots(){
var memory_slots_to_store = {
order: _Memory_order,
slots: _Memory
};
localStorage._weasel_stored_memory_slots = JSON.stringify(memory_slots_to_store);
writeToScreen('Memory Slots Stored', 'opening');
}
function clearStorage(){
var current_theme = localStorage._weasel_theme;
localStorage.clear(); // but keep the theme ...
localStorage._weasel_theme = current_theme;
writeToScreen('Storage Cleared', 'error');
}
function insert_text_message(string){
if ('execCommand' in document) {
document.execCommand('insertText', false, string);
} else {
var start = message.selectionStart;
var end = message.selectionEnd;
message.value =
message.value.substring(0, start) +
string +
message.value.substring(end)
;
message.selectionStart =
message.selectionEnd =
start + string.length;
}
}
document.addEventListener("DOMContentLoaded", function() {
root = document.getRootNode().documentElement;
terminal = document.getElementById('terminal');
message = document.getElementById('message');
url = document.getElementById('url');
protocol = document.getElementById('protocol');
memory = document.getElementById('memory');
auto_scroll_marker = document.querySelector('#switch-auto-scroll span');
file_selector_display = document.querySelector('#file-selector span#file-name');
message.value = ''; // clear text area
document.getElementById('dark-switcher').addEventListener('click', function(ev){
ev.preventDefault();
var is_dark = ( root.getAttribute('data-theme').indexOf('dark') === 0 ) ? true : false;
var theme_ = ( is_dark ? 'normal' : 'dark' );
root.setAttribute('data-theme', theme_);
localStorage._weasel_theme = theme_;
});
document.getElementById('store-memory').addEventListener('click', storeMemorySlots);
document.getElementById('clear-storage').addEventListener('click', clearStorage);
document.getElementById('switch-auto-scroll').addEventListener('click', switchAutoScroll);
document.querySelector('#ws-construction').addEventListener('submit', function(ev){ ev.preventDefault(); message.focus(); });
document.querySelector('input[type="submit"][value="OPEN"]').addEventListener('click', createSocket);
document.querySelector('input[type="button"][value="CLOSE"]').addEventListener('click', function(){ if (WS) WS.close(); });
document.querySelector('input[type="button"][value="SEND"]').addEventListener('click', doSend);
document.querySelector('input[type="button"][value="R"]').addEventListener('click', function(){ message.value = ''; });
document.querySelector('input[type="button"][value="C"]').addEventListener('click', function(){ terminal.innerText = ''; });
document.querySelector('input[type="button"][value="M+"]').addEventListener('click', memorize);
document.querySelector('input[type="button"][value="<"]').addEventListener('click', timeMachine.bind(null, true));
document.querySelector('input[type="button"][value=">"]').addEventListener('click', timeMachine.bind(null, false));
document.querySelector('input[type="button"][value="blob"]').addEventListener('click', doSendBinary.bind(null, true));
document.querySelector('input[type="button"][value="array"]').addEventListener('click', doSendBinary.bind(null, false));
document.querySelector('input[type="file"]').addEventListener('change', function(ev){ file_selector_display.innerText = ( 'files' in ev.srcElement && ev.srcElement.files.length > 0) ? ev.srcElement.files[0].name : 'No File Selected.'; });
document.querySelector('input[type="file"]').value = ''; // reset the file input
// reload stored settings, memory, etc.
if( localStorage.hasOwnProperty('_weasel_theme') && typeof localStorage._weasel_theme === 'string' && localStorage._weasel_theme.length > 0 ) {
root.setAttribute('data-theme', localStorage._weasel_theme);
} else {
root.setAttribute('data-theme', DEFAULT_THEME);
localStorage._weasel_theme = DEFAULT_THEME;
}
if( localStorage.hasOwnProperty('_weasel_last_used_url') && typeof localStorage._weasel_last_used_url === 'string' && localStorage._weasel_last_used_url.length > 0 ) url.value = localStorage._weasel_last_used_url;
if( localStorage.hasOwnProperty('_weasel_last_used_protocol') && typeof localStorage._weasel_last_used_url === 'string' && localStorage._weasel_last_used_protocol.length > 0 ) protocol.value = localStorage._weasel_last_used_protocol;
if( localStorage.hasOwnProperty('_weasel_stored_memory_slots') && typeof localStorage._weasel_stored_memory_slots === 'string' && localStorage._weasel_stored_memory_slots.length > 0 ){
var parsed_memory_slots_storage = JSON.parse(localStorage._weasel_stored_memory_slots);
_Memory = parsed_memory_slots_storage.slots;
_Memory_order = parsed_memory_slots_storage.order;
for (var color = 0; color < _Memory_order.length; color++) {
appendMemorySlot( _Memory_order[color] );
}
}
// shortcuts
window.onkeyup = function(event) {
// console.log('Key Up: ', event.keyCode, event);
if( event.ctrlKey ) { // ctrl ...
event.preventDefault();
// if numeral key (also numpad) ...
if ( ( event.keyCode >= 48 /* 0 */ && event.keyCode <= 57 /* 9*/ ) || ( event.keyCode >= 96 /* num-0 */ && event.keyCode <= 105 /* num-9*/ ) ){
let number = (event.keyCode <= 57 ? Math.abs(48 - event.keyCode) : Math.abs(96 - event.keyCode) );
if ( number <= 9 ){ // 0 - 9 (it's always >= 0 because of .abs func )
// console.log('Recall Memory Slot: ', number);
if ( _Memory_order.length > number ){ // ... remember by index
remember( _Memory_order[number] );
}
}
} else { // other keys
switch (event.keyCode) {
case 13: // Enter
if (event.altKey) { // + alt + Enter
createSocket(); // open a connection
} else {
doSend(); // -> send text message
}
break;
case 77:
if (event.altKey) { // + alt + m
rememberRoll();
} else { // m
memorize();
}
break;
case 90:
if (event.altKey) { // + alt + z
timeMachine(true); // backward
}
break;
case 88:
if (event.altKey) { // + alt + x
timeMachine(false); // forward
}
break;
case 66:
if (event.altKey) { // + alt + b
doSendBinary(true);
}
break;
case 83:
if (event.altKey) { // + alt + s
switchAutoScroll();
}
break;
}
}
}
};
// Key Overrides
window.onkeydown = function(event) {
switch (event.keyCode) {
case 9: // Tab
if (message === document.activeElement){
if ( (event.altKey || event.ctrlKey || event.shiftKey) == false ){
event.preventDefault();
insert_text_message('\t');
} else {
document.activeElement.nextElementSibling.focus()
}
}
break;
default:
break;
}
}
});
</script>
</head>
<body>
<h1>Weasel</h1>
<h2>The WebSocket Client <span>v2.1.1</span></h2>
<!-- Server to Connect -->
<form id="ws-construction">
<fieldset>
<legend>Connection</legend>
<label>URL:</label>
<input type="text" id="url" value="wss://echo.websocket.org/" placeholder="ws/wss url">
<label>Protocol:</label>
<input type="text" id="protocol" value="" placeholder="ws sub-protocol(s)" title="Sub-Protocols (Comma Separated)">
<input type="submit" value="OPEN" title="Open Connection (Ctrl + Alt + Enter)">
<input type="button" value="CLOSE">
</fieldset>
</form>
<!-- Terminal! -->
<div id="terminal"></div>
<!-- Message Console -->
<form id="console">
<fieldset>
<legend>Message Console</legend>
<textarea type="text" id="message"></textarea>
<input type="button" value="SEND" title="Send Message (Ctrl + Enter)">
<input type="button" value="R" title="Reset Input">
<input type="button" value="C" title="Clear Terminal">
<input type="button" value="<" title="History Backward (Ctrl + Alt + Z)">
<input type="button" value=">" title="History Forward (Ctrl + Alt + X)">
<input type="button" value="M+" title="Memorize (Ctrl + M)">
<ol id="memory"></ol>
<fieldset>
<legend>Binary</legend>
<div id="file-selector">
<label id="file-selector-botton" for="file-input"><span>Browse</span><span id="file-name">No File Selected.</span></label>
<input id="file-input" type="file">
</div>
<input type="button" value="blob">
<input type="button" value="array">
</fieldset>
</fieldset>
</form>
<div id="side-menu">
<a id="dark-switcher">Switch Dark Mode</a>
<a id="store-memory">Store Memory Slots</a>
<a id="clear-storage">Clear Storage All</a>
<a id="switch-auto-scroll">Switch Autoscroll <span>⚫</span></a>
</div>
<div id="branding">
<a href="https://github.com/mhgolkar" target="_blank"> ♥ Mor. H. Golkar </a>
</div>
</body>
</html>