js-apk-parser
Version:
Parse the AndroidManifest.xml and resources.arsc file in the apk package.
71 lines • 2.32 kB
JavaScript
/* utils */
export var uint8ArrayToHex = function (arr) {
return Array.prototype.map.call(arr.slice().reverse(), function (x) { return ('00'.concat(x.toString(16))).slice(-2); }).join('');
};
export var uint8ArrayToInt = function (arr) {
return (arr[0] & 0xff) | ((arr[1] << 8) & 0xff00)
| ((arr[2] << 24) >>> 8) | (arr[3] << 24);
// return Buffer.from(arr.slice().reverse()).readIntBE(0, arr.length);
};
export var uint8ArrayToShort = function (arr) {
// return Buffer.from(arr.slice().reverse()).readIntBE(0, arr.length);
var s0 = (arr[0] & 0xff);
var s1 = (arr[1] & 0xff);
s1 <<= 8;
return (s0 | s1);
};
export var uint8ArrayToStr = function (array, utf8) {
if (utf8 === void 0) { utf8 = false; }
return new TextDecoder(utf8 ? 'utf-8' : 'utf-16').decode(array);
};
export var utf8ArrayToStr = function (array) {
var out, i, len, c;
var char2, char3;
out = "";
len = array.length;
i = 0;
while (i < len) {
c = array[i++];
switch (c >> 4) {
case 0:
// trim 0
break;
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
// 0xxxxxxx
out += String.fromCharCode(c);
break;
case 12:
case 13:
// 110x xxxx 10xx xxxx
char2 = array[i++];
out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
break;
case 14:
// 1110 xxxx 10xx xxxx 10xx xxxx
char2 = array[i++];
char3 = array[i++];
out += String.fromCharCode(((c & 0x0F) << 12) |
((char2 & 0x3F) << 6) |
((char3 & 0x3F) << 0));
break;
default:
;
}
}
return out;
};
export var decodeUTF16LE = function (binaryStr) {
var cp = [];
for (var i = 0; i < binaryStr.length; i += 2) {
cp.push(binaryStr.charCodeAt(i) |
(binaryStr.charCodeAt(i + 1) << 8));
}
return String.fromCharCode.apply(String, cp);
};
//# sourceMappingURL=util.js.map