User:Artoria2e5/gadget-simp-refnote-tags.js

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/* Modified from MediaWiki:Gadget-SimplifyRefNotesTag.js
 * Version 0: Code Cleanup
 */
window.simplifyRefNotesTag = function () {
  // 数字转换为 26 进制字母
  // "1"  => "a"
  // "-1" => "-b"
  // "0"  => "-a"
  // "28" => "ab".
  function dec2alpha (n) {
    var n_int = parseInt(n, 10);
    if (isNaN(n_int))
      return null;
    var neg_n = (n_int <= 0);
    n_int = neg_n ? -n_int : n_int - 1;
    var a = 'a'.charCodeAt(0);

    // 280 = 10 * 26 + 20 => [10, 20]
    var digits_26 = [];
    if (n_int === 0)
      digits_26 = [a];
    else
      while (n_int > 0) {
        digits_26.unshift(n_int % 26 + a);
        n_int = (n_int / 26) | 0;
      }

    var sign = neg_n ? '-' : '';
    return sign + String.fromCharCode.apply(String, digits_26);
  }

  // 簡化各上標
  $('sup.reference[id^="cite_ref"] > a:only-child').filter(function (idx, a) {
    // 有且仅有一个文字或注释节点
    if (a.childNodes.length == 1 && a.childNodes.length == 1)
      // 仅取匹配的节点，且必须为文字
      if (a.childNodes[0].nodeName == '#text' && !!(a.childNodes[0].nodeValue.match(/^\[[參参註注]/)))
        return true;
    return false;
  }).each(function (idx, a) {
    var topSpan = a.parentNode.parentNode; // a -> sup -> span
    var txt = a.childNodes[0];
    if (topSpan.id == 'refTag-cite_ref-sup') {
      // reference
      txt.nodeValue = txt.nodeValue.replace(/[參参]\ /g, '');
    } else if (topSpan.id == 'noteTag-cite_ref-sup') {
      var dec = txt.nodeValue.match(/^\[[註注]\ (\d+)\]/)[1];
      if (dec) {
        var alpha = dec2alpha(dec);
        if (alpha) {
          txt.nodeValue = '[' + alpha + ']';
        }
      }
    }
  });

  // 將備註列表項目用英文字母排序
  $('#references-NoteFoot ol').each(function (idx, ol) {
    if (ol.className == 'references')
      ol.type = 'a';
  });

  // self-destroy (run-once)
  window.simplifyRefNotesTag = function () {};
};

window.load_Merge_Simplify = function () {
  if (typeof window.simplifyRefNotesTag == 'function')
    window.simplifyRefNotesTag();
  if (typeof window.mergeRefBracket == 'function')
    window.mergeRefBracket();

  // self-destruct (run-once)
  window.load_Merge_Simplify = function () {};
};

$(function () {
  window.load_Merge_Simplify();
});