-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathapp.html
779 lines (579 loc) · 18.5 KB
/
app.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>
Unsigned Binary - Hexadecimal - Decimal number converter
</title>
<!-- https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js -->
<script src="./libraries/babel.min.js"></script>
<!-- https://cdnjs.cloudflare.com/ajax/libs/react/18.2.0/cjs/react.development.js -->
<script src="./libraries/react.development.js"></script>
<!-- https://cdnjs.cloudflare.com/ajax/libs/react-dom/18.2.0/umd/react-dom.development.min.js -->
<script src="./libraries/react-dom.development.js"></script>
<!-- redux https://unpkg.com/redux@4.2.0/dist/redux.js -->
<script src="./libraries/redux.js"></script>
<!-- react-redux https://cdnjs.cloudflare.com/ajax/libs/react-redux/8.0.5/react-redux.js -->
<script src="./libraries/react-redux.js"></script>
<!-- font awesome icons -->
<link href='./libraries/css/all.css' rel='stylesheet'>
<link href='styles.css' rel='stylesheet'>
</head>
<body>
<header id="header">
<h1 id="header-title">
Unsigned Binary - Hexadecimal - Decimal number converter
</h1>
</header>
<main>
<div id="react-container">
<div>
</main>
<script type="text/babel">
//------- conversion functions -------
/* ------- Binary to Decimal ------- */
/* array.reduce() */
const binaryToDecimal= binaryString=>{
/*
avoid stack overflow of [...string0] when string0 is too big;
const string= [...string0].reverse().join('');
instead using that trick
if a string is 100 than indicies 012 become
length-1-index = 210
*/
const lengthMinus1= BigInt(binaryString.length) - BigInt(1);
const dec= Array.from(binaryString).reduce((acc, oldElement, oldIndex)=> {
const zeroOrOne= BigInt(oldElement);// 0 or 1
const index= lengthMinus1 - BigInt(oldIndex);
const powerValue= BigInt(2) ** index;
const result= acc + zeroOrOne * powerValue;
//console.log('--result=', result, 'typeof result=', typeof result);
return result;
}, BigInt(0) );
const result= dec.toString();
return result;
};
/* ------- Binary to Hexadecimal ------- */
/* array.reduce();
group 4 bits then translate */
const binaryToHex= (oldSinaryString1)=> {
const hexNumbers= new Map();
hexNumbers.set('0000', '0');
hexNumbers.set('0001', '1');
hexNumbers.set('0010', '2');
hexNumbers.set('0011', '3');
hexNumbers.set('0100', '4');
hexNumbers.set('0101', '5');
hexNumbers.set('0110', '6');
hexNumbers.set('0111', '7');
hexNumbers.set('1000', '8');
hexNumbers.set('1001', '9');
hexNumbers.set('1010', 'A');
hexNumbers.set('1011', 'B');
hexNumbers.set('1100', 'C');
hexNumbers.set('1101', 'D');
hexNumbers.set('1110', 'E');
hexNumbers.set('1111', 'F');
/* group binary string into 4 bit chunks */
const array= [];
// console.log('*** binaryToHex ***', 'oldSinaryString1= ', oldSinaryString1);
/* user's binary input string can have leading 0s;
therefore remove them */
const oldSinaryString2= oldSinaryString1.replace(/^0+([01]+)$/, '$1');
/*
important; translate unpadded binary string from RIGHT to LEFT
*/
let length= oldSinaryString2.length;
/*
- if the string is not a multiple of 4;
left-pad it.
- if binaryString0='' then
do nothing and return empty string
*/
const missing= (length % 4 === 0) ? 0 : (4 - length % 4);
const binaryString= oldSinaryString2.padStart(length + missing, '0');
const newLength= binaryString.length;
for(let i=0; i< newLength; i+= 4){
let chunk= binaryString.substring(i, i+4);
// console.log('-- chunk=', chunk);
const value= hexNumbers.get(chunk);
array.push(value);
// console.log('--value=', value);
}
const hexString= array.join('');
return hexString;
}
/* ------- Decimal to Binary ------- */
/*
repeated division by 2 algorithm
version 1; prepend array;
attach remainder value to front of array;
using array.unshift(r)
*/
const decimalToBinaryV1= (decimalString)=> {
/*
- division remainers
*/
const array= [];
/*quotient mutated*/
let i= BigInt(decimalString);
/*
- if decimalString='0' then
while loop will NOT run;
*/
if(i === BigInt(0)){
array.unshift(BigInt(0));
}
/*stop when quotient = 0*/
while ( i != BigInt(0) ){
/* for BigInt; / operator is integer division? */
const [q, r]= [ i / BigInt(2), i % BigInt(2) ];
i= q;
//console.log('--q=', q, 'typeof q=', typeof q, 'r=', r, 'typeof r', typeof r);
/*prepend remainder*/
array.unshift(r);
}
// join the array of BigInt 0 or 1 values;
const string= array.join('');
return string;
}
/*
version 2; preallocate the remainers array;
then simply set its positions with values
*/
const getBinaryNumberV2= (decimalString)=> {
/*
how wide should the array be?
floor(log2(decimalNumber)) + 1
*/
}
/* ------- Decimal to Hexadecimal ------- */
/*
1. do decimal to binary; repeated division by 2
2. do binary to hexadecimal; chunk 4bits then translate
*/
const decimalToHexV1= (decimalString)=> {
const binaryString= decimalToBinaryV1(decimalString);
const hexString= binaryToHex(binaryString);
return hexString;
}
/* ------- Hexadecimal to Binary ------- */
/* array.map(); convert 1 digit to 4 bits */
const hexToBinary =(hexString)=>{
const hexNumbers= new Map();
hexNumbers.set('0', '0000');
hexNumbers.set('1', '0001');
hexNumbers.set('2', '0010');
hexNumbers.set('3', '0011');
hexNumbers.set('4', '0100');
hexNumbers.set('5', '0101');
hexNumbers.set('6', '0110');
hexNumbers.set('7', '0111');
hexNumbers.set('8', '1000');
hexNumbers.set('9', '1001');
hexNumbers.set('A', '1010');
hexNumbers.set('B', '1011');
hexNumbers.set('C', '1100');
hexNumbers.set('D', '1101');
hexNumbers.set('E', '1110');
hexNumbers.set('F', '1111');
// console.log('*** hexToBinary, hexString=', hexString);
const oldBinaryString= Array.from(hexString).map(h=> hexNumbers.get(h)).join('');
/* remove leading 0s from final binaryString
which are AT MOST 3 bits; because hexString
doesn't have leading 0s */
const binaryString= oldBinaryString.replace(/^0+(.+)$/, '$1');
// console.log('--- binaryString=', binaryString);
return binaryString;
};
/* ------- Hexadecimal to Decimal ------- */
/* array.reduce(); place value system */
const hexToDecimal= (hexString)=>{
/* if string is lower case; dictionary lookup fails */
const hexNumbers= new Map();
hexNumbers.set('0', BigInt(0));
hexNumbers.set('1', BigInt(1));
hexNumbers.set('2', BigInt(2));
hexNumbers.set('3', BigInt(3));
hexNumbers.set('4', BigInt(4));
hexNumbers.set('5', BigInt(5));
hexNumbers.set('6', BigInt(6));
hexNumbers.set('7', BigInt(7));
hexNumbers.set('8', BigInt(8));
hexNumbers.set('9', BigInt(9));
hexNumbers.set('A', BigInt(10));
hexNumbers.set('B', BigInt(11));
hexNumbers.set('C', BigInt(12));
hexNumbers.set('D', BigInt(13));
hexNumbers.set('E', BigInt(14));
hexNumbers.set('F', BigInt(15));
/* avoid [...hexString].reverse().join('') */
const lengthMinus1= BigInt(hexString.length-1);
/* place values strat from right to left */
const decimalString= Array.from(hexString).reduce((acc, element, oldIndex)=>{
const index= lengthMinus1- BigInt(oldIndex);
const newElement= hexNumbers.get(element);
const placeValue= BigInt(16) ** BigInt(index);
const value= newElement * placeValue;
const result= acc + value;
return result;
} , BigInt(0));
return decimalString.toString();
};
//------- component App WITHOUT LOCAL STATE -------//
const state0= {
binaryText: '',
decimalText: '',
hexText: '',
binaryTextLength: '',
decimalTextLength: '',
hexTextLength: '',
}
/* validate textarea */
/* both accept empty string as valid input*/
const isBinaryString= string=> /^[01]*$/.test(string);
const isDecimalString= string=> /^\d*$/.test(string);
const rootReducer=(state= {...state0}, action)=> {
const {type}= action;
const EMPTY_STRING_INPUT= '';
const EMPTY_STATE= {
binaryText: EMPTY_STRING_INPUT,
decimalText: EMPTY_STRING_INPUT,
hexText: EMPTY_STRING_INPUT,
binaryTextLength: EMPTY_STRING_INPUT,
decimalTextLength: EMPTY_STRING_INPUT,
hexTextLength: EMPTY_STRING_INPUT
};
if(type==='inputBinary'){
const {binaryText}= action;
/* ignore invalid input */
if(isBinaryString(binaryText) === false){
return state;
}
if(binaryText === EMPTY_STRING_INPUT){
return {
...state,
...EMPTY_STATE
};
}
const decimalText= binaryToDecimal(binaryText);
const hexText= binaryToHex(binaryText);
//console.log('---', text);
return {
...state,
binaryText: binaryText,
decimalText: decimalText,
hexText: hexText,
binaryTextLength: `${binaryText.length} bits long`,
decimalTextLength: `${decimalText.length} digits long`,
hexTextLength: `${hexText.length} digits long`
};
}
else if(type==='input-hex'){
/*
accepts empty string
and hex numbers
*/
const isHexString= string=> /^[\da-fA-F]*$/.test(string);
const {hexText: oldHexText}= action;
/*
ignore invalid input
*/
if(isHexString(oldHexText)===false){
return {...state};
}
/* ignore leading 0s
'+' makes all the difference
it will NOT replace the string '0' with '';
the leading 0 needs at least 1 MORE digit.
*/
const hexText= oldHexText.replace(/^0+(.+)$/, '$1');
/*
if empty string; clear all panels
*/
if(hexText === EMPTY_STRING_INPUT){
return {
...state,
...EMPTY_STATE
};
}
const binaryText= hexToBinary(hexText);
// console.log('!!binaryText= ',binaryText);
const decimalText= hexToDecimal(hexText);
// console.log('!!decimalText= ',decimalText);
return {
...state,
binaryText: binaryText,
decimalText: decimalText,
hexText: hexText,
binaryTextLength: `${binaryText.length} bits long`,
decimalTextLength: `${decimalText.length} digits long`,
hexTextLength: `${hexText.length} digits long`
};
}
else if(type==='inputDecimal'){
const {decimalText: oldDecimalText}= action;
/* ignore invalid input */
if(isDecimalString(oldDecimalText) === false){
return state;
}
/* ignore leading 0s */
const decimalText= oldDecimalText.replace(/^0+(.+)$/, '$1');
if(decimalText === EMPTY_STRING_INPUT){
return {
...state,
...EMPTY_STATE
};
}
const binaryText= decimalToBinaryV1(decimalText);
const hexText= decimalToHexV1(decimalText);
//console.log('---', text);
return {
...state,
binaryText: binaryText,
decimalText: decimalText,
hexText: hexText,
binaryTextLength: `${binaryText.length} bits long`,
decimalTextLength: `${decimalText.length} digits long`,
hexTextLength: `${hexText.length} digits long`
};
}
else if(type==='clear-binary' || type==='clear-decimal' || type==='clear-hex'){
return {
...state,
...EMPTY_STATE
};
}
else{
return {...state};
}
};
//------- map state to props ------- //
const mapStateToProps= state=>state;
//------- map dispat=ch to props ------- //
const mapDispatchToProps= dispatchFunction=>({
/* set initial decimal value*/
'do-initial-onInputDecimal': string=> dispatchFunction({type: 'inputDecimal', decimalText: string}),
'do-onInputBinary': event=> dispatchFunction({type: 'inputBinary', binaryText: event.target.value}),
'do-onInputDecimal': event=> dispatchFunction({type: 'inputDecimal', decimalText: event.target.value}),
/* returned string must be UPPER CASE */
'do-onInputHex': event=> dispatchFunction({type: 'input-hex', hexText: event.target.value.toUpperCase()}),
'do-clear-binary': event=> dispatchFunction({type: 'clear-binary'}),
'do-clear-decimal': event=> dispatchFunction({type: 'clear-decimal'}),
'do-clear-hex': event=> dispatchFunction({type: 'clear-hex'})
});
//------- components ------- //
const ErorrMessage= (props)=>{
const {
classNames,
imgPaths,
idNames
}= props;
const {
'panel': errorClassName,
'button': buttonClassName
}= classNames;
return <section className={errorClassName}>
<h2>Invalid Input</h2>
<p>Invalid Input</p>
<button className={buttonClassName}>Close</button>
</section>;
}
const Panel= (props)=>{
const {
onInput,
clearCallback,
classNames,
imgPaths,
idNames,
label,
subscript,
/*conversion and user input text*/
value,
/*ength of conversion and user input text*/
lengthText
}= props;
const {
panel: panelClassName,
label: labelClassName,
'hr-right': hrRightClassName,
'hr-left': hrLeftClassName,
lengthTextParent: lengthTextParentClassName,
lengthText: lengthTextClassName,
input: inputClassName,
subscript: subscriptClassName,
'clear-button': clearButtonClassName,
'copy-button': copyButtonClassName,
'paste-button': pasteButtonClassName,
'clear-button-text': clearButtonTextClassName,
'copy-button-text': copyButtonTextClassName,
'paste-button-text': pasteButtonTextClassName,
'clear-button-img': clearButtonIconClassName,
'copy-button-img': copyButtonIconClassName,
'paste-button-img': pasteButtonIconClassName
}=classNames;
const {
panel: panelId,
input: inputId
}=idNames;
const {
clear: clearIconPath,
copy: copyIconPath,
paste: pasteIconPath
}=imgPaths;
return <section id={panelId} className={panelClassName} >
<label htmlFor={panelId} className={labelClassName}>{label}</label>
<div className={lengthTextParentClassName}>
<hr className={hrRightClassName}/>
<span className={lengthTextClassName}>{lengthText}</span>
<hr className={hrLeftClassName}/>
</div>
<textarea id={panelId} className={inputClassName} type="text" onInput={onInput} value={value}></textarea>
<button className={clearButtonClassName} onClick={clearCallback}>
<img className={clearButtonIconClassName} src={clearIconPath} />
<span className={clearButtonTextClassName}>Clear</span>
</button>
{/*<button className={copyButtonClassName}>
<img className={copyButtonIconClassName} src={copyIconPath} />
<span className={copyButtonTextClassName}>Copy</span>
</button>
<button className={pasteButtonClassName}>
<img className={pasteButtonIconClassName} src={pasteIconPath} />
<span className={pasteButtonTextClassName}>Paste</span>
</button>*/}
</section>;
}
//------- component App WITHOUT LOCAL STATE ------- //
class App extends React.Component{
constructor(props){
super(props);
}
componentDidMount(){
this.props['do-initial-onInputDecimal']('256');
}
render(){
const {
'do-initial-onInputDecimal': doInitial,
'do-onInputBinary': onInputBinary,
'do-onInputDecimal': onInputDecimal,
'do-onInputHex': onInputHex,
'do-clear-binary': clearBinary,
'do-clear-decimal': clearDecimal,
'do-clear-hex': clearHex,
binaryText,
decimalText,
hexText,
binaryTextLength,
decimalTextLength,
hexTextLength,
}= this.props;
//window.onload= event=> this.props['do-initial-onInputDecimal']('1234');
const classNames={
panel: 'panel',
label: 'label',
lengthTextParent: 'length-text-parent',
'hr-right': 'hr-right',
'hr-left': 'hr-left',
lengthText: 'length-text',
input: 'input',
subscript: 'subscript',
'clear-button': 'button clear-button',
'copy-button': 'button copy-button',
'paste-button': 'button paste-button',
'clear-button-text': 'button-text clear-button-text',
'copy-button-text': 'button-text copy-button-text',
'paste-button-text': 'button-text paste-button-text',
'clear-button-img': 'icon clear-button-icon',
'copy-button-img': 'icon copy-button-icon',
'paste-button-img': 'icon paste-button-icon'
};
const imgPaths={
'clear': 'assets/xmark-solid.svg',
'copy': 'assets/copy-solid.svg',
'paste': 'assets/paste-solid.svg'
};
return <div id="app">
<Panel
label="Unsigned Binary number"
onInput={onInputBinary}
clearCallback= {clearBinary}
value= {binaryText}
lengthText= {binaryTextLength}
subscript="2"
classNames={{...classNames}}
imgPaths={{...imgPaths}}
idNames={{
panel: 'panel-binary',
input: 'input-binary'
}}
/>
<Panel
label="Hexadecimal number"
onInput={onInputHex}
clearCallback= {clearHex}
value= {hexText}
lengthText= {hexTextLength}
subscript="10"
classNames={{...classNames}}
imgPaths={{...imgPaths}}
idNames={{
panel: 'panel-hex',
input: 'input-hex'
}}
/>
<Panel
label="Decimal number"
onInput={onInputDecimal}
clearCallback= {clearDecimal}
value= {decimalText}
lengthText= {decimalTextLength}
subscript="10"
classNames={{...classNames}}
imgPaths={{...imgPaths}}
idNames={{
panel: 'panel-decimal',
input: 'input-decimal'
}}
/>
{/*<ErorrMessage
classNames={{
'panel': 'error-message',
'header': 'error-header',
'button': 'error-button'
}}
/>*/}
</div>;
}
}
//------- react component Provider -------//
const Provider = ReactRedux.Provider;
//------- connect function ------- //
const connect= ReactRedux.connect;
//------- store i.e. STATE object ------- //
const store= Redux.createStore(rootReducer);
//------- APP2 component ------- //
const App2= connect(mapStateToProps, mapDispatchToProps)(App);
//------- react componentAppWrapper ------- //
class AppWrapper extends React.Component{
constructor(props){
super(props);
}
render(){
//store prop IS REQUIRED.
return (<Provider store={store}>
<App2/>
</Provider>);
}
}
//------- put component AppWrapper in DOM ------- //
const container= document.querySelector('#react-container');
//React 18+
const root = ReactDOM.createRoot(container);
root.render(<AppWrapper/>);
</script>
</body>
<footer>
by Abdullah Fatota
</footer>
</html>