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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.overrideBytesInBuffer = overrideBytesInBuffer;
exports.makeBuffer = makeBuffer;
exports.fromHexdump = fromHexdump;
function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
function concatUint8Arrays() {
for (var _len = arguments.length, arrays = new Array(_len), _key = 0; _key < _len; _key++) {
arrays[_key] = arguments[_key];
}
var totalLength = arrays.reduce(function (a, b) {
return a + b.length;
}, 0);
var result = new Uint8Array(totalLength);
var offset = 0;
for (var _i = 0; _i < arrays.length; _i++) {
var arr = arrays[_i];
if (arr instanceof Uint8Array === false) {
throw new Error("arr must be of type Uint8Array");
}
result.set(arr, offset);
offset += arr.length;
}
return result;
}
function overrideBytesInBuffer(buffer, startLoc, endLoc, newBytes) {
var beforeBytes = buffer.slice(0, startLoc);
var afterBytes = buffer.slice(endLoc, buffer.length); // replacement is empty, we can omit it
if (newBytes.length === 0) {
return concatUint8Arrays(beforeBytes, afterBytes);
}
var replacement = Uint8Array.from(newBytes);
return concatUint8Arrays(beforeBytes, replacement, afterBytes);
}
function makeBuffer() {
for (var _len2 = arguments.length, splitedBytes = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
splitedBytes[_key2] = arguments[_key2];
}
var bytes = [].concat.apply([], splitedBytes);
return new Uint8Array(bytes).buffer;
}
function fromHexdump(str) {
var lines = str.split("\n"); // remove any leading left whitespace
lines = lines.map(function (line) {
return line.trim();
});
var bytes = lines.reduce(function (acc, line) {
var cols = line.split(" "); // remove the offset, left column
cols.shift();
cols = cols.filter(function (x) {
return x !== "";
});
var bytes = cols.map(function (x) {
return parseInt(x, 16);
});
acc.push.apply(acc, _toConsumableArray(bytes));
return acc;
}, []);
return Buffer.from(bytes);
}