C2 Wiki Classic Edition

Makes the new SPAified C2 Wiki behave more like an ordinary website.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name C2 Wiki Classic Edition
// @description Makes the new SPAified C2 Wiki behave more like an ordinary website.
// @version 1
// @grant GM.info
// @run-at document-start
// @match *://wiki.c2.com/
// @match *://wiki.c2.com/?*
// @license MIT
// @namespace https://greasyfork.org/users/833386
// ==/UserScript==

const tab2spaces = s => s.replace(/\t/g, "  ")

String.prototype.replaceFunction = function(head, replacement) {
	return this.replace(
		new RegExp(`^((\\s*)${head.replace(/[.()]/g, '\\$&')} {)[\\S\\s]*?^\\2}`, 'm'),
		(match, p1, p2) => 
			p1 + tab2spaces(replacement).split('\n').map(line => p2 + line).join('\n') + "}"
	)
}

const patch = s => tab2spaces(`	const [
		serialisePage,
		deserialisePage
	] = (() => {
		const s = new XMLSerializer()
		const p = new DOMParser()
		return [
			e => s.serializeToString(e),
			es => p.parseFromString(es, "text/html").querySelector(".page")
		]
	})()`) + s.replaceFunction("try", `
	[names, index, json] = await Promise.all([
		fetch('names.txt').then(res => res.text()).then(text => text.split(/\\r?\\n/)),
		fetch('c2-fed-index.json').then(res => res.json()),
		fetch(database+title).then(res => res.json())
	])
	options.names = names
	let page = rendered(title,json)
	history.replaceState(serialisePage(page), null)
	window.tab.insertBefore(page,null)
`).replaceFunction("window.onpopstate = async function(event)", `
	if (event.state)
		document.querySelector(".page").replaceWith(deserialisePage(event.state))
	else
		history.go(-1)
`).replaceFunction("async function internallinks(event)", `
	const t = event.target
	if (t.tagName !== 'A' || t.getAttribute('target') || event.ctrlKey || event.shiftKey || event.altKey || event.metaKey)
		return

	event.preventDefault()

	const href = t.getAttribute('href'),
		title = href.split('?').slice(-1)[0],
		json = await fetch(database+title).then(res => res.json()),
		page = rendered(title, json)

	history.pushState(serialisePage(page),'',href)
	document.querySelector(".page").replaceWith(page)
`)

let didPatch = false

document.addEventListener('readystatechange', e => {
	if (!didPatch && document.readyState === "complete") {
  		let oops = document.createElement("div")
		oops.style.cssText = "color: oldlace; background-color: maroon; position: absolute; z-index: 4"
		oops.innerHTML = `
The script ${GM.info.script.name} has failed to perform its primary function.<br/>
This, in all likelihood, means that the front end of the C2 wiki has been overhauled.<br/>
You are welcome to write to <code>userscripts AT ylh DOT io</code> and ask for a fix.`
		document.body.prepend(oops)
	}
})

document.addEventListener('beforescriptexecute', e => {
	const script = e.target

	if (!script.matches('script[type="module"]:not(.greasy)'))
		return

	const html = script.innerHTML

	if ((s => {
		let h = 0, high = 0
		for (let i = 0; i < s.length; i++) {
			h = (h << 4) + s.charCodeAt(i)
    			if (high = h & 0xF0000000)
				h ^= high >> 24
    			h &= ~high
  		}
  		return h
	})(html) !== 0x086E878A) {
		return
	}

	e.stopPropagation()
	e.preventDefault()

	const p = script.parentElement,
		newModule = patch(html),
		newScript = document.createElement('script')

	script.remove()
	newScript.setAttribute('type', "module")
	newScript.classList.add("greasy")
	newScript.innerHTML = newModule
	p.appendChild(newScript)

	const newStyle = document.createElement("style")
	newStyle.innerHTML = ".page { all: initial; }"
	document.head.querySelector('link[rel="stylesheet"]').after(newStyle)

	didPatch = true
});