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洛谷双击跳题

仿exlg双击跳题

  1. // ==UserScript==
  2. // @name         洛谷双击跳题
  3. // @version      0.3
  4. // @description  仿exlg双击跳题
  5. // @match        https://www.luogu.com.cn*
  6. // @match        https://www.luogu.com.cn/*
  7. // @match        *://*.gdfzoj.com*/*
  8. // @match        *://*
  9. // @match        *://*/*
  10. // @author       MlkMathew
  11. // @license      MIT
  12. // @grant        none
  13. // @namespace    https://gf.qytechs.cn/users/1068192
  14. // ==/UserScript==
  15.  
  16. (function() {
  17.     'use strict';
  18.     var web=location.href;
  19.     function number(s){
  20.         let res=0;
  21.         for(let i=0;i<s.length;i++)
  22.         {
  23.             if(s[i]<'0'||s[i]>'9'){
  24.                 return -1;
  25.             }
  26.             res=res*10+(s[i]-'0');
  27.         }
  28.         return res;
  29.     }
  30.     function letter(c){
  31.         if('a'<=c&&c<='z'){
  32.             return String.fromCharCode(c.charCodeAt()-97+65);
  33.         }
  34.         return c;
  35.     }
  36.     function prefix(s,pre){
  37.         if(s.length<pre.length){
  38.             return false;
  39.         }
  40.         for(let i=0;i<pre.length;i++)
  41.         {
  42.             if(letter(s[i])!=pre[i]){
  43.                 return false;
  44.             }
  45.         }
  46.         return true;
  47.     }
  48.     function check(s){
  49.         if(prefix(s,"P")){
  50.             return (number(s.substr(1,s.length-1))>=1000);
  51.         }
  52.         if(web.match("luogu.com.cn")&&prefix(s,"U")&&(!prefix(s,"UVA"))&&(!prefix(s,"UOJ"))){
  53.             return (number(s.substr(1,s.length-1))>0);
  54.         }
  55.         if(web.match("luogu.com.cn")&&prefix(s,"T")){
  56.             return (number(s.substr(1,s.length-1))>=100);
  57.         }
  58.         if(prefix(s,"B")){
  59.             return (number(s.substr(1,s.length-1))>2000);
  60.         }
  61.         if(prefix(s,"CF")){
  62.             if(('A'<=letter(s[s.length-2])&&letter(s[s.length-2])<='Z')&&(s[s.length-1]=='1'||s[s.length-1]=='2')){
  63.                 return (number(s.substr(2,s.length-4))>0);
  64.             }
  65.             if(('A'<=letter(s[s.length-1])&&letter(s[s.length-1])<='Z')){
  66.                 return (number(s.substr(2,s.length-3))>0);
  67.             }
  68.         }
  69.         if(prefix(s,"AT")){
  70.             return true;
  71.         }
  72.         if(prefix(s,"SP")){
  73.             return (number(s.substr(2,s.length-2))>0);
  74.         }
  75.         if(prefix(s,"UVA")){
  76.             return (number(s.substr(3,s.length-3))>=100);
  77.         }
  78.         if(prefix(s,"LOJ")){
  79.             return (number(s.substr(3,s.length-3))>0);
  80.         }
  81.         if(prefix(s,"QOJ")){
  82.             return (number(s.substr(3,s.length-3))>0);
  83.         }
  84.         if(prefix(s,"UOJ")){
  85.             return (number(s.substr(3,s.length-3))>0);
  86.         }
  87.         return false;
  88.     }
  89.     function dbclick()
  90.     {
  91.         let s="";
  92.         if(window.getSelection){
  93.             s=window.getSelection().toString();
  94.         }
  95.         else if(document.selection&&document.selection.createRange){
  96.             s=document.selection.createRange().text;
  97.         }
  98.         while(s[s.length-1]==' ')
  99.         {
  100.             s=s.substr(0,s.length-1);
  101.         }
  102.         if(check(s)){
  103.             if(prefix(s,"LOJ")){
  104.                 window.open("https://loj.ac/p/"+number(s.substr(3,s.length-3)));
  105.             }
  106.             else if(prefix(s,"QOJ")){
  107.                 window.open("https://qoj.ac/problem/"+number(s.substr(3,s.length-3)));
  108.             }
  109.             else if(prefix(s,"UOJ")){
  110.                 window.open("https://uoj.ac/problem/"+number(s.substr(3,s.length-3)));
  111.             }
  112.             else{
  113.                 window.open("https://www.luogu.com.cn/problem/"+s);
  114.             }
  115.         }
  116.     }
  117.     document.addEventListener('dblclick',dbclick);
  118. })();

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