The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/config/string-format.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,65 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +String.prototype.format = function string_format() {
     1.9 +  // there are two modes of operation... unnamed indices are read in order;
    1.10 +  // named indices using %(name)s. The two styles cannot be mixed.
    1.11 +  // Unnamed indices can be passed as either a single argument to this function,
    1.12 +  // multiple arguments to this function, or as a single array argument
    1.13 +  let curindex = 0;
    1.14 +  let d;
    1.15 +
    1.16 +  if (arguments.length > 1) {
    1.17 +    d = arguments;
    1.18 +  }
    1.19 +  else
    1.20 +    d = arguments[0];
    1.21 +
    1.22 +  function r(s, key, type) {
    1.23 +    if (type == '%')
    1.24 +      return '%';
    1.25 +    
    1.26 +    let v;
    1.27 +    if (key == "") {
    1.28 +      if (curindex == -1)
    1.29 +        throw Error("Cannot mix named and positional indices in string formatting.");
    1.30 +
    1.31 +      if (curindex == 0 && (!(d instanceof Object) || !(0 in d))) {
    1.32 +        v = d;
    1.33 +      }
    1.34 +      else if (!(curindex in d))
    1.35 +        throw Error("Insufficient number of items in format, requesting item %i".format(curindex));
    1.36 +      else {
    1.37 +        v = d[curindex];
    1.38 +      }
    1.39 +
    1.40 +      ++curindex;
    1.41 +    }
    1.42 +    else {
    1.43 +      key = key.slice(1, -1);
    1.44 +      if (curindex > 0)
    1.45 +        throw Error("Cannot mix named and positional indices in string formatting.");
    1.46 +      curindex = -1;
    1.47 +
    1.48 +      if (!(key in d))
    1.49 +        throw Error("Key '%s' not present during string substitution.".format(key));
    1.50 +      v = d[key];
    1.51 +    }
    1.52 +    switch (type) {
    1.53 +    case "s":
    1.54 +      if (v === undefined)
    1.55 +        return "<undefined>";
    1.56 +      return v.toString();
    1.57 +    case "r":
    1.58 +      return uneval(v);
    1.59 +    case "i":
    1.60 +      return parseInt(v);
    1.61 +    case "f":
    1.62 +      return Number(v);
    1.63 +    default:
    1.64 +      throw Error("Unexpected format character '%s'.".format(type));
    1.65 +    }
    1.66 +  }
    1.67 +  return this.replace(/%(\([^)]+\))?(.)/g, r);
    1.68 +};