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mqtt-backend/node_modules/uuid-parse/uuid-parse.js

@@ -0,0 +1,48 @@
+'use strict';
+
+// Maps for number <-> hex string conversion
+var _byteToHex = [];
+var _hexToByte = {};
+for (var i = 0; i < 256; i++) {
+  _byteToHex[i] = (i + 0x100).toString(16).substr(1);
+  _hexToByte[_byteToHex[i]] = i;
+}
+
+// **`parse()` - Parse a UUID into it's component bytes**
+function parse(s, buf, offset) {
+  var i = (buf && offset) || 0;
+  var ii = 0;
+
+  buf = buf || [];
+  s.toLowerCase().replace(/[0-9a-f]{2}/g, function(oct) {
+    if (ii < 16) { // Don't overflow!
+      buf[i + ii++] = _hexToByte[oct];
+    }
+  });
+
+  // Zero out remaining bytes if string was short
+  while (ii < 16) {
+    buf[i + ii++] = 0;
+  }
+
+  return buf;
+}
+
+// **`unparse()` - Convert UUID byte array (ala parse()) into a string**
+function unparse(buf, offset) {
+  var i = offset || 0;
+  var bth = _byteToHex;
+  return  bth[buf[i++]] + bth[buf[i++]] +
+          bth[buf[i++]] + bth[buf[i++]] + '-' +
+          bth[buf[i++]] + bth[buf[i++]] + '-' +
+          bth[buf[i++]] + bth[buf[i++]] + '-' +
+          bth[buf[i++]] + bth[buf[i++]] + '-' +
+          bth[buf[i++]] + bth[buf[i++]] +
+          bth[buf[i++]] + bth[buf[i++]] +
+          bth[buf[i++]] + bth[buf[i++]];
+}
+
+module.exports = {
+  parse: parse,
+  unparse: unparse
+};