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Input and output character encodings can now be set

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This commit is contained in:
n1474335 2022-09-02 12:56:04 +01:00
parent 7c8a185a3d
commit e93aa42697
15 changed files with 482 additions and 423 deletions
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8
src/core/Utils.mjs
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@ -406,6 +406,7 @@ class Utils {
* Utils.strToArrayBuffer("你好");
*/
static strToArrayBuffer(str) {
log.debug("Converting string to array buffer");
const arr = new Uint8Array(str.length);
let i = str.length, b;
while (i--) {
@ -432,6 +433,7 @@ class Utils {
* Utils.strToUtf8ArrayBuffer("你好");
*/
static strToUtf8ArrayBuffer(str) {
log.debug("Converting string to UTF8 array buffer");
const utf8Str = utf8.encode(str);
if (str.length !== utf8Str.length) {
@ -461,6 +463,7 @@ class Utils {
* Utils.strToByteArray("你好");
*/
static strToByteArray(str) {
log.debug("Converting string to byte array");
const byteArray = new Array(str.length);
let i = str.length, b;
while (i--) {
@ -487,6 +490,7 @@ class Utils {
* Utils.strToUtf8ByteArray("你好");
*/
static strToUtf8ByteArray(str) {
log.debug("Converting string to UTF8 byte array");
const utf8Str = utf8.encode(str);
if (str.length !== utf8Str.length) {
@ -515,6 +519,7 @@ class Utils {
* Utils.strToCharcode("你好");
*/
static strToCharcode(str) {
log.debug("Converting string to charcode");
const charcode = [];
for (let i = 0; i < str.length; i++) {
@ -549,6 +554,7 @@ class Utils {
* Utils.byteArrayToUtf8([228,189,160,229,165,189]);
*/
static byteArrayToUtf8(byteArray) {
log.debug("Converting byte array to UTF8");
const str = Utils.byteArrayToChars(byteArray);
try {
const utf8Str = utf8.decode(str);
@ -581,6 +587,7 @@ class Utils {
* Utils.byteArrayToChars([20320,22909]);
*/
static byteArrayToChars(byteArray) {
log.debug("Converting byte array to chars");
if (!byteArray) return "";
let str = "";
// String concatenation appears to be faster than an array join
@ -603,6 +610,7 @@ class Utils {
* Utils.arrayBufferToStr(Uint8Array.from([104,101,108,108,111]).buffer);
*/
static arrayBufferToStr(arrayBuffer, utf8=true) {
log.debug("Converting array buffer to str");
const arr = new Uint8Array(arrayBuffer);
return utf8 ? Utils.byteArrayToUtf8(arr) : Utils.byteArrayToChars(arr);
}