Answer Grabber

Revel answers to questions on your Ximera homework

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Answer Grabber
// @namespace    http://tampermonkey.net/
// @version      2024-09-20
// @description  Revel answers to questions on your Ximera homework
// @author       PsychedelicPalimpsest
// @match        *://ximera.osu.edu/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=osu.edu
// @license      MIT
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    let lastInputCount = -1;

    const old_log = console.log;
    console.log = (arg) =>{
        old_log(arg);
        if (arg != "Recorded gradebook") return;
        let c = document.querySelectorAll("input[type=text]").length;
        if (c == lastInputCount) return;
        lastInputCount = c;


        document.head.innerHTML += "<style>.correct{background-color: green;}</style>";
        function stripr(str){
            let parcount = 0;
            for (let index in str){
                let c = str[index];
                if (c == "{")
                    parcount++;
                else if(c == "}")
                    parcount--;
                if (parcount == -1)
                    return str.substring(0, index);
            }
        }

        let texs = document.querySelectorAll("script[type='math/tex; mode=display']")
                .values()
                .toArray()
                .concat(
                    document.querySelectorAll("script[type='math/tex']")
                            .values()
                            .toArray()
                );
        for (let tex of texs){
            let answers = tex.innerText.matchAll(/\\answer/g).toArray();
            if (document.getElementById(tex.id + "-Frame") == undefined) continue;
            let boxes = document.getElementById(tex.id + "-Frame").querySelectorAll("input[type=text]")


            for (let i in answers){

                let astr = tex.innerText.substring(answers[i].index);
                let a = stripr(astr.substring(astr.match(/\{/).index+1));
                if (boxes[i] == undefined) break;
                boxes[i].value = a
            }
        }
    }


})();