devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
52 lines (51 loc) • 1.77 kB
JavaScript
/**
* DevExtreme (esm/__internal/core/license/byte_utils.js)
* Version: 23.2.6
* Build date: Wed May 01 2024
*
* Copyright (c) 2012 - 2024 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
export function base64ToBytes(base64) {
return new Uint8Array(atob(base64).split("").map(s => s.charCodeAt(0)))
}
export function hexToBytes(string) {
var _a, _b;
return new Uint8Array(null !== (_b = null === (_a = string.match(/.{1,2}/g)) || void 0 === _a ? void 0 : _a.map(byte => parseInt(byte, 16))) && void 0 !== _b ? _b : [])
}
export function stringToBytes(string) {
var bytes = new Uint8Array(string.length);
for (var k = 0; k < string.length; k += 1) {
bytes[k] = 255 & string.charCodeAt(k)
}
return bytes
}
export function wordsToBytes(words) {
var bytes = new Uint8Array(4 * words.length);
for (var k = 0; k < bytes.length; k += 1) {
bytes[k] = words[k >> 2] >>> 8 * (3 - k % 4)
}
return bytes
}
export function bytesToWords(bytes) {
var words = new Uint32Array(1 + (bytes.length - 1 >> 2));
for (var k = 0; k < bytes.length; k += 1) {
words[k >> 2] |= bytes[k] << 8 * (3 - k % 4)
}
return words
}
export function wordsToHex(words) {
return [...words].map(w => w.toString(16).padStart(8, "0")).join("")
}
export function bytesToHex(bytes) {
return [...bytes].map(b => b.toString(16).padStart(2, "0")).join("")
}
export function leftRotate(x, n) {
return (x << n | x >>> 32 - n) >>> 0
}
export function concatBytes(a, b) {
var result = new Uint8Array(a.length + b.length);
result.set(a, 0);
result.set(b, a.length);
return result
}