Current Dev State

static/js/ketcher2/node_modules/svg2ttf/lib/ucs2.js

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+'use strict';
+
+var _ = require('lodash');
+
+// Taken from the punycode library
+function ucs2encode(array) {
+  return _.map(array, function (value) {
+    var output = '';
+
+    if (value > 0xFFFF) {
+      value -= 0x10000;
+      output += String.fromCharCode(value >>> 10 & 0x3FF | 0xD800);
+      value = 0xDC00 | value & 0x3FF;
+    }
+    output += String.fromCharCode(value);
+    return output;
+  }).join('');
+}
+
+function ucs2decode(string) {
+  var output = [],
+      counter = 0,
+      length = string.length,
+      value,
+      extra;
+
+  while (counter < length) {
+    value = string.charCodeAt(counter++);
+    if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+      // high surrogate, and there is a next character
+      extra = string.charCodeAt(counter++);
+      if ((extra & 0xFC00) === 0xDC00) { // low surrogate
+        output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+      } else {
+        // unmatched surrogate; only append this code unit, in case the next
+        // code unit is the high surrogate of a surrogate pair
+        output.push(value);
+        counter--;
+      }
+    } else {
+      output.push(value);
+    }
+  }
+  return output;
+}
+
+module.exports = {
+  encode: ucs2encode,
+  decode: ucs2decode
+};