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Fix broken BBCode on the All Night Laundry comic
// ==UserScript==
// @name All Night BBCode
// @version 0.4
// @description Fix broken BBCode on the All Night Laundry comic
// @author AjaxGb
// @match http*://www.all-night-laundry.com/post/*
// @icon http://www.all-night-laundry.com/static/favicon.ico
// @grant GM_addStyle
// @namespace https://greatest.deepsurf.us/users/85711
// ==/UserScript==
(function() {
'use strict';
GM_addStyle('.ui-widget-content .quote { border-color: rgb(210, 210, 210); }');
const origMSPAFontSizePx = 13;
const decoder = new TextDecoder('utf-8');
const u8arrays = {
2: new Uint8Array(2),
3: new Uint8Array(3),
};
function walkNodes(walker, {addToNode, addToName}) {
for (let node = walker.currentNode; node;) {
let newAddTo = null;
switch (node.nodeType) {
case Node.ELEMENT_NODE:
{
if (walker.firstChild()) {
walkNodes(walker, {});
walker.parentNode();
}
break;
}
case Node.TEXT_NODE:
{
node.data = node.data.replace(/[\xc0-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}/g, text => {
const array = u8arrays[text.length];
for (let i = text.length - 1; i >= 0; i--) {
array[i] = text.codePointAt(i);
}
return decoder.decode(array);
});
const tagMatch = node.data.match(/\[strike\]|\[size=(\d+)\]|\[quote=([^;\]]+);\d+\]|\[\/(strike|size|quote)\]/i);
if (tagMatch) {
const [tagTextI, sizePxText, quoteName, endTagI] = tagMatch;
const tagTextNode = node.splitText(tagMatch.index);
const nextTextNode = tagTextNode.splitText(tagTextI.length);
// node tagTextNode nextTextNode
// "blah" "[tag]" "blah"
if (endTagI) {
const endTag = endTagI.toLowerCase();
if (addToName !== endTag) {
throw new Error(`Closed [${endTag}] tag when no such tag available`);
}
tagTextNode.replaceWith(nextTextNode);
if (addToNode) {
addToNode.append(node);
}
return;
} else {
const tagText = tagTextI.toLowerCase();
let walkArgs;
if (tagText.startsWith('[strike')) {
const strike = document.createElement('s');
tagTextNode.replaceWith(strike);
walkArgs = {addToNode: strike, addToName: 'strike'};
} else if (tagText.startsWith('[size=')) {
const sizePx = parseInt(sizePxText);
const span = document.createElement('span');
const currFontSize = tagTextNode.parentElement.computedStyleMap().get('font-size');
if (currFontSize.unit !== 'px') {
throw new Error('computedStyleMap() font-size was not px: '+currFontSize.unit);
}
span.style.fontSize = `${Math.round(currFontSize.value * sizePx / origMSPAFontSizePx)}px`;
tagTextNode.replaceWith(span);
walkArgs = {addToNode: span, addToName: 'size'};
} else if (tagText.startsWith('[quote=')) {
const quoteBlock = document.createElement('div');
quoteBlock.className = 'quote';
const quoteTitle = document.createElement('span');
quoteTitle.className = 'quote_author';
const quoteStrong = document.createElement('strong');
quoteStrong.append(quoteName);
quoteTitle.append(quoteStrong);
quoteBlock.append(quoteTitle);
quoteBlock.append(document.createElement('br'));
tagTextNode.replaceWith(quoteBlock);
walkArgs = {addToNode: quoteBlock, addToName: 'quote'};
}
walker.currentNode = nextTextNode;
walkNodes(walker, walkArgs);
walker.currentNode = node;
}
}
break;
}
}
const oldNode = node;
node = walker.nextSibling();
if (addToNode) {
addToNode.append(oldNode);
}
}
if (addToNode) {
throw new Error(`Unclosed [${addToName}] tag`);
}
}
const whatToWalk = NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT | NodeFilter.SHOW_COMMENT;
function fixBBCode(element) {
const walker = document.createTreeWalker(element, whatToWalk);
if (walker.firstChild()) {
walkNodes(walker, {});
}
}
fixBBCode(document.getElementById('main_content'));
const authorNotes = document.getElementById('notes');
if (authorNotes) {
fixBBCode(authorNotes);
}
})();