1 | 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); } }
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2 |
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3 | function concatUint8Arrays() {
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4 | for (var _len = arguments.length, arrays = new Array(_len), _key = 0; _key < _len; _key++) {
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5 | arrays[_key] = arguments[_key];
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6 | }
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7 |
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8 | var totalLength = arrays.reduce(function (a, b) {
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9 | return a + b.length;
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10 | }, 0);
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11 | var result = new Uint8Array(totalLength);
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12 | var offset = 0;
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13 |
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14 | for (var _i = 0; _i < arrays.length; _i++) {
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15 | var arr = arrays[_i];
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16 |
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17 | if (arr instanceof Uint8Array === false) {
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18 | throw new Error("arr must be of type Uint8Array");
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19 | }
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20 |
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21 | result.set(arr, offset);
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22 | offset += arr.length;
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23 | }
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24 |
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25 | return result;
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26 | }
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27 |
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28 | export function overrideBytesInBuffer(buffer, startLoc, endLoc, newBytes) {
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29 | var beforeBytes = buffer.slice(0, startLoc);
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30 | var afterBytes = buffer.slice(endLoc, buffer.length); // replacement is empty, we can omit it
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31 |
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32 | if (newBytes.length === 0) {
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33 | return concatUint8Arrays(beforeBytes, afterBytes);
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34 | }
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35 |
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36 | var replacement = Uint8Array.from(newBytes);
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37 | return concatUint8Arrays(beforeBytes, replacement, afterBytes);
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38 | }
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39 | export function makeBuffer() {
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40 | for (var _len2 = arguments.length, splitedBytes = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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41 | splitedBytes[_key2] = arguments[_key2];
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42 | }
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43 |
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44 | var bytes = [].concat.apply([], splitedBytes);
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45 | return new Uint8Array(bytes).buffer;
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46 | }
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47 | export function fromHexdump(str) {
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48 | var lines = str.split("\n"); // remove any leading left whitespace
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49 |
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50 | lines = lines.map(function (line) {
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51 | return line.trim();
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52 | });
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53 | var bytes = lines.reduce(function (acc, line) {
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54 | var cols = line.split(" "); // remove the offset, left column
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55 |
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56 | cols.shift();
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57 | cols = cols.filter(function (x) {
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58 | return x !== "";
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59 | });
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60 | var bytes = cols.map(function (x) {
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61 | return parseInt(x, 16);
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62 | });
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63 | acc.push.apply(acc, _toConsumableArray(bytes));
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64 | return acc;
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65 | }, []);
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66 | return Buffer.from(bytes);
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67 | } |
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