Show Character Codes

Display a dialog showing the character code(s) of the selected character(s). This script is instended to be used as a bookmarklet using this URL: javascript:scc_ujs()

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Show Character Codes
// @namespace    https://greatest.deepsurf.us/en/users/85671-jcunews
// @version      1.0.3
// @license      AGPL v3
// @author       jcunews
// @description  Display a dialog showing the character code(s) of the selected character(s). This script is instended to be used as a bookmarklet using this URL: javascript:scc_ujs()
// @match        *://*/*
// @include      *:*
// @inject-into  page
// @grant        none
// ==/UserScript==

window.scc_ujs = function(maxTextLength, wspaces, txt, ei, a, b, i, c, o, d, e) {

  //===== CONFIG START =====

  maxTextLength = 100;

  //===== CONFIG END =====

  function zerolead(s, l) {
    return ("0").repeat(l - s.length) + s;
  }

  function hex(n, h) {
    h = n.toString(16).toUpperCase();
    if (n <= 0xff) {
      return zerolead(h, 2);
    } else if (n <= 0xffff) {
      return zerolead(h, 4);
    } else return zerolead(h, 8);
  }

  txt = getSelection();
  if ((txt.anchorNode === txt.focusNode) && (txt.anchorOffset === txt.focusOffset)) {
    if (!(txt = document.activeElement) || !("value" in txt)) return;
    txt = txt.value.substring(txt.selectionStart, txt.selectionEnd);
  } else txt = txt.toString();
  if (!txt || document.querySelector('div.showCharCode[id^="scc"]')) return;
  ei = "scc" + (new Date()).getTime();
  a = document.createElement("DIV");
  a.id = ei;
  a.className = "showCharCode"
  a.innerHTML = `
<style>
#${ei} * {
  opacity:1!important; visibility:visible!important;
  position:static!important; z-index:auto!important; left:auto!important; top:auto!important; right:auto!important; bottom:auto!important; float:none!important;
  margin:0!important; vertical-align:baseline!important;
  border:none!important; padding:0!important; width:auto!important; height:auto!important; overflow:visible!important;
  background:transparent!important; text-align:left!important; text-decoration:none!important; color:#000!important;
  font:normal normal normal 16pt/normal sans-serif!important; cursor:auto!important;
}
#${ei}, #${ei} .curtain {
  display:block!important; position:fixed!important; z-index:999999996!important; left:0!important; top:0!important; right:0!important; bottom:0!important;
}
#${ei} .curtain {
  opacity:.3!important; z-index:999999997!important; background:#000!important; cursor:pointer!important;
}
#${ei} .dialog {
  display:block!important; z-index:999999998!important; visibility:visible!important;
  position:absolute!important;
  padding:10px 10px 0 10px!important; border:5px solid #55b!important; border-radius:10px!important;
  max-height:90%!important; overflow-y:scroll!important; background:#fff!important;
}
#${ei} label {
  margin-right:2ex!important; cursor:pointer!important;
}
#${ei} label:last-child {
  margin-right:0!important;
}
#${ei} table {
  margin:10px 0!important;
}
#${ei} th {
  padding:0 1ex!important; background:#000!important; text-align:center!important; color:#fff!important;
}
#${ei} table.no1Bytes .bytes1 {
  display:none!important;
}
#${ei} table.no2Bytes .bytes2 {
  display:none!important;
}
#${ei} table.no4Bytes .bytes4 {
  display:none!important;
}
#${ei} table.noWSpaces .wspace {
  display:none!important;
}
#${ei} td {
  padding:0 1ex!important; background:#ddd!important;
}
#${ei} td:first-child {
  position:relative!important; text-align:center!important;
}
#${ei} td:first-child:hover:after {
  position:absolute!important; z-index:999999999!important; top:-.54em!important;
  border: 2px solid #007; border-radius:10px!important; padding:0 .11em!important; background:#fff!important;
  font-size:80px; content:attr(char);
}
#${ei} tr:nth-child(2)~tr td:first-child:hover:after {
  top:-.89em!important;
}
#${ei} td+td {
  text-align:right!important;
}
</style>
<div class="curtain"></div>
<div class="dialog">
  <div style="white-space:nowrap!important">
    <label for="${ei}1bytes"><input id="${ei}1bytes" type="checkbox" checked /> 1-Byte</label>
    <label for="${ei}2bytes"><input id="${ei}2bytes" type="checkbox" checked /> 2-Bytes</label>
    <label for="${ei}4bytes"><input id="${ei}4bytes" type="checkbox" checked /> 4-Bytes</label>
    <label for="${ei}wspaces"><input id="${ei}wspaces" type="checkbox" /> White-Spaces</label>
  </div>
  <table class="noWSpaces">
    <tr><th>Char</th><th>Hex</th><th>Dec</th><th>UTF-16 Codes</th><th>UTF-8 Codes</th></tr>
  </table>
</div>
`;
  a.children[1].addEventListener("click", function() {
    a.remove();
    document.documentElement.style.overflow = "";
  }, true);
  b = a.lastElementChild.lastElementChild;
  a.querySelector("#" + ei + "1bytes").addEventListener("click", function() {
    b.classList.toggle("no1Bytes");
  }, true);
  a.querySelector("#" + ei + "2bytes").addEventListener("click", function() {
    b.classList.toggle("no2Bytes");
  }, true);
  a.querySelector("#" + ei + "4bytes").addEventListener("click", function() {
    b.classList.toggle("no4Bytes");
  }, true);
  a.querySelector("#" + ei + "wspaces").addEventListener("click", function() {
    b.classList.toggle("noWSpaces");
  }, true);
  wspaces = "\t\n\r \u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u202f\u205f\u3000\ufeff";
  i = 0;
  while (i < txt.length) {
    d = txt.codePointAt(i);
    (e = (o = b.insertRow()).insertCell()).textContent = c = String.fromCodePoint(d);
    e.setAttribute("char", c);
    if (c.length === 1) {
      o.className = ((c.charCodeAt(0) > 0xff) ? "bytes2" : "bytes1") + (wspaces.indexOf(c) >= 0 ? " wspace" : "");
    } else o.className = "bytes4";
    o.insertCell().textContent = "0x" + hex(d);
    o.insertCell().textContent = d;
    o.insertCell().textContent = c.split("").reduce(
      function(p, c) {
        p.push(hex(c.charCodeAt(0)));
        return p;
      }, []
    ).join(",");
    o.insertCell().textContent = unescape(encodeURIComponent(c)).split("").map(
      function(w) {
        return hex(w.charCodeAt(0));
      }
    ).join(",");
    i += c.length;
  }
  document.body.appendChild(a);
  c = b.parentNode;
  c.style.cssText =
    "left:" + Math.floor((innerWidth - c.offsetWidth) / 2) + "px!important;" +
    "top:" + Math.floor((innerHeight - c.offsetHeight) / 2) + "px!important";
  document.documentElement.style.overflow = "hidden";
};