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OJ 显示rating变幅
// ==UserScript==
// @name OJ rating变幅显示
// @namespace http://tampermonkey.net/
// @version 2024.2.28.1
// @description OJ 显示rating变幅
// @author Mr_Vatican
// @match http://www.gdfzoj.com:23380/contest/*/standings
// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant GM_xmlhttpRequest
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_listValues
// @grant GM_deleteValue
// @grant GM_info
// @license MIT
// ==/UserScript==
(function() {
let JS_TO_ARRAY=(scriptContent)=>{
let startIndex=scriptContent.indexOf("[[");
let endIndex=scriptContent.lastIndexOf("]]");
let arrayContent=scriptContent.substring(startIndex+2,endIndex);
let rows=arrayContent.split("],[").map(row => row.replace("[", "").replace("]", "").split(",").map(item => item.trim()));
return rows.map(row => row.map(item => {
if (item.startsWith("'") && item.endsWith("'")){
return item.slice(1, -1);
}else{
return parseInt(item);
}
}));
};
let CrawPages=(url)=>{
return new Promise((resolve,reject)=>{
GM_xmlhttpRequest({
method: "GET",
url: url,
onload: function(response){
resolve(response.responseText);
},
onerror: function(error){
reject(error);
}
});
});
};
async function check_update(){
let now_version=GM_info.script.version;
let Page=await CrawPages('https://greasyfork.org/zh-CN/scripts/488078-oj-rating%E5%8F%98%E5%B9%85%E6%98%BE%E7%A4%BA');
let parser=new DOMParser(),doc=parser.parseFromString(Page,'text/html');
let lastest=doc.querySelector("#script-stats > dd.script-show-version > span").textContent;
console.log(lastest);
if(lastest>now_version)
{
alert('有新的版本更新哦！如果 greasyfork 弹出拦截信息，勾选始终同意就行了。');
window.open("https://greasyfork.org/zh-CN/scripts/488078-oj-rating%E5%8F%98%E5%B9%85%E6%98%BE%E7%A4%BA");
}
}
async function solve(){
check_update();
if(!GM_getValue('2024.2.28,1'))
{
let list=GM_listValues();
for(let i=0;i<list.length;i++) GM_deleteValue(list[i]);
GM_setValue('2024.2.28,1',1);
}
let ContestURL=window.location.href;
let ContestName=0;
for(let i=ContestURL.length-11,tmp=1;!isNaN(parseInt(ContestURL[i]));i--,tmp*=10)
{
ContestName+=tmp*parseInt(ContestURL[i]);
}
let row=document.querySelector("#standings-table > tbody").children;
let head=document.createElement('th');head.textContent='rating 变幅';head.style.width='8em';
document.querySelector("#standings-table > thead > tr").appendChild(head);
for(let i=0;i<row.length;i++){
if(GM_getValue(ContestName+':user'+i))
{
let nw=row[i].children[1].cloneNode(true),x=nw.children[0];
x.textContent=GM_getValue(ContestName+':user'+i);
row[i].appendChild(nw);continue;
}
let people=row[i].querySelector('.uoj-username'),url=people.getAttribute('href');
let Page=await CrawPages(url);
let parser=new DOMParser(),doc=parser.parseFromString(Page,'text/html');
const scriptTags = doc.querySelectorAll('script[type="text/javascript"]');
scriptTags.forEach(script => {
let scriptContent = script.textContent;
let regex = /var rating_data =*/;
let match = scriptContent.match(regex);
console.log(match);
if (match){
let rating=JS_TO_ARRAY(scriptContent),flag=0;
let nw=row[i].children[1].cloneNode(true),x=nw.children[0];
for(let j=rating.length-1;j>=0;j--){
if(rating[j][2]==ContestName){
if(!rating[j][4]){flag=1;x.textContent='比赛未结束';break;}
let tmp='';
if(rating[j][5]>0) tmp='+';
let str=(rating[j][1]-rating[j][5])+' -> '+rating[j][1]+'('+tmp+rating[j][5]+')';
x.textContent=str;
GM_setValue(ContestName+':user'+i,str);
flag=1;break;
}
}
if(!flag){x.textContent='未参加比赛';}
row[i].appendChild(nw);
}
});
}
}
window.addEventListener('load',function(){
console.log('加载完成');
solve();
});
})();