net/data/proxy_resolver_v8_unittest/passthrough.js

   1 // Return a single-proxy result, which encodes ALL the arguments that were
   2 // passed to FindProxyForURL().
   3
   4 function FindProxyForURL(url, host) {
   5   if (arguments.length != 2) {
   6     throw "Wrong number of arguments passed to FindProxyForURL!";
   7     return "FAIL";
   8   }
   9
  10   return "PROXY " + makePseudoHost(url + "." + host);
  11 }
  12
  13 // Form a string that kind-of resembles a host. We will replace any
  14 // non-alphanumeric character with a dot, then fix up the oddly placed dots.
  15 function makePseudoHost(str) {
  16   var result = "";
  17
  18   for (var i = 0; i < str.length; ++i) {
  19     var c = str.charAt(i);
  20     if (!isValidPseudoHostChar(c)) {
  21       c = '.';  // Replace unsupported characters with a dot.
  22     }
  23
  24     // Take care not to place multiple adjacent dots,
  25     // a dot at the beginning, or a dot at the end.
  26     if (c == '.' &&
  27         (result.length == 0 ||
  28          i == str.length - 1 ||
  29          result.charAt(result.length - 1) == '.')) {
  30       continue;
  31     }
  32     result += c;
  33   }
  34   return result;
  35 }
  36
  37 function isValidPseudoHostChar(c) {
  38   if (c >= '0' && c <= '9')
  39     return true;
  40   if (c >= 'a' && c <= 'z')
  41     return true;
  42   if (c >= 'A' && c <= 'Z')
  43     return true;
  44   return false;
  45 }