multi-encoding-statusline-url.js

(function () {

  let convertString = function (str, charset) {
    let sis = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(Ci.nsIStringInputStream);
    sis.setData(str, str.length);

    let cis = Cc["@mozilla.org/intl/converter-input-stream;1"].createInstance(Ci.nsIConverterInputStream);
    cis.init(sis, charset, 1024, Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);

    let data = '', str = {};
    while (cis.readString(1024, str) != 0)
      data += str.value;

    return data;
  }

  let convertURL =
    function (url, charset)
      convertString(url.replace(/%../g, function (m) String.fromCharCode('0x' + m.slice(1))), charset);

  autocommands.add(
    'VimperatorEnter',
    /.*/,
    function ()
      plugins.libly.$U.around(
        util,
        'losslessDecodeURI',
        function (next, [url])
          (url.match && url.match(/^http/)
            ? next(convertURL(url, config.browser.docShell.QueryInterface(Ci.nsIDocCharset).charset))
            : url)
      )
  );

})();