molstar
Version:
A comprehensive macromolecular library.
31 lines (30 loc) • 1.03 kB
JavaScript
/**
* Copyright (c) 2017-2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
* @author David Sehnal <david.sehnal@gmail.com>
*/
export const IsNativeEndianLittle = new Uint16Array(new Uint8Array([0x12, 0x34]).buffer)[0] === 0x3412;
export function flipByteOrder(data, bytes) {
const buffer = new ArrayBuffer(data.length);
const ret = new Uint8Array(buffer);
for (let i = 0, n = data.length; i < n; i += bytes) {
for (let j = 0; j < bytes; j++) {
ret[i + bytes - j - 1] = data[i + j];
}
}
return buffer;
}
const ChunkSize = 0x7000;
export function uint8ToString(array) {
if (array.length > ChunkSize) {
const c = [];
for (let i = 0; i < array.length; i += ChunkSize) {
c.push(String.fromCharCode.apply(null, array.subarray(i, i + ChunkSize)));
}
return c.join('');
}
else {
return String.fromCharCode.apply(null, array);
}
}