aboutsummaryrefslogtreecommitdiff
path: root/node_modules/@webassemblyjs/helper-buffer/esm/index.js
diff options
context:
space:
mode:
authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/@webassemblyjs/helper-buffer/esm/index.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
downloadxmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz
xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip
switch to vuepress
Diffstat (limited to 'node_modules/@webassemblyjs/helper-buffer/esm/index.js')
-rw-r--r--node_modules/@webassemblyjs/helper-buffer/esm/index.js67
1 files changed, 67 insertions, 0 deletions
diff --git a/node_modules/@webassemblyjs/helper-buffer/esm/index.js b/node_modules/@webassemblyjs/helper-buffer/esm/index.js
new file mode 100644
index 00000000..2c35b9e3
--- /dev/null
+++ b/node_modules/@webassemblyjs/helper-buffer/esm/index.js
@@ -0,0 +1,67 @@
+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;
+}
+
+export 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);
+}
+export 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;
+}
+export 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);
+} \ No newline at end of file