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仿exlg双击跳题
// ==UserScript==
// @name 洛谷双击跳题
// @version 0.3
// @description 仿exlg双击跳题
// @match https://www.luogu.com.cn*
// @match https://www.luogu.com.cn/*
// @match *://*.gdfzoj.com*/*
// @match *://*
// @match *://*/*
// @author MlkMathew
// @license MIT
// @grant none
// @namespace http://greasyfork.icu/users/1068192
// ==/UserScript==
(function() {
'use strict';
var web=location.href;
function number(s){
let res=0;
for(let i=0;i<s.length;i++)
{
if(s[i]<'0'||s[i]>'9'){
return -1;
}
res=res*10+(s[i]-'0');
}
return res;
}
function letter(c){
if('a'<=c&&c<='z'){
return String.fromCharCode(c.charCodeAt()-97+65);
}
return c;
}
function prefix(s,pre){
if(s.length<pre.length){
return false;
}
for(let i=0;i<pre.length;i++)
{
if(letter(s[i])!=pre[i]){
return false;
}
}
return true;
}
function check(s){
if(prefix(s,"P")){
return (number(s.substr(1,s.length-1))>=1000);
}
if(web.match("luogu.com.cn")&&prefix(s,"U")&&(!prefix(s,"UVA"))&&(!prefix(s,"UOJ"))){
return (number(s.substr(1,s.length-1))>0);
}
if(web.match("luogu.com.cn")&&prefix(s,"T")){
return (number(s.substr(1,s.length-1))>=100);
}
if(prefix(s,"B")){
return (number(s.substr(1,s.length-1))>2000);
}
if(prefix(s,"CF")){
if(('A'<=letter(s[s.length-2])&&letter(s[s.length-2])<='Z')&&(s[s.length-1]=='1'||s[s.length-1]=='2')){
return (number(s.substr(2,s.length-4))>0);
}
if(('A'<=letter(s[s.length-1])&&letter(s[s.length-1])<='Z')){
return (number(s.substr(2,s.length-3))>0);
}
}
if(prefix(s,"AT")){
return true;
}
if(prefix(s,"SP")){
return (number(s.substr(2,s.length-2))>0);
}
if(prefix(s,"UVA")){
return (number(s.substr(3,s.length-3))>=100);
}
if(prefix(s,"LOJ")){
return (number(s.substr(3,s.length-3))>0);
}
if(prefix(s,"QOJ")){
return (number(s.substr(3,s.length-3))>0);
}
if(prefix(s,"UOJ")){
return (number(s.substr(3,s.length-3))>0);
}
return false;
}
function dbclick()
{
let s="";
if(window.getSelection){
s=window.getSelection().toString();
}
else if(document.selection&&document.selection.createRange){
s=document.selection.createRange().text;
}
while(s[s.length-1]==' ')
{
s=s.substr(0,s.length-1);
}
if(check(s)){
if(prefix(s,"LOJ")){
window.open("https://loj.ac/p/"+number(s.substr(3,s.length-3)));
}
else if(prefix(s,"QOJ")){
window.open("https://qoj.ac/problem/"+number(s.substr(3,s.length-3)));
}
else if(prefix(s,"UOJ")){
window.open("https://uoj.ac/problem/"+number(s.substr(3,s.length-3)));
}
else{
window.open("https://www.luogu.com.cn/problem/"+s);
}
}
}
document.addEventListener('dblclick',dbclick);
})();