Библа для отрисовки всякого на диод
есть 2 экзампла для i2c oled 128x32 - плеер с иконками - вывод графиками синус и ЭКГ (не встроена пока в gfx библиотеку)
This commit is contained in:
845
matrixFont/help/js/md2html.js
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845
matrixFont/help/js/md2html.js
Normal file
@@ -0,0 +1,845 @@
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/**
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* md2html - Simple Markdown2HTML end-mile converter.
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* Ready to actual use, no extra coding required.
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* Supports @@-beginning H6 sections in MD-file to create custom elements:
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* - header;
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* - menu;
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* - TOC;
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* - button bar;
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* - image gallery;
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* - themes switcher;
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* - pages localization;
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* - meta information for SEO;
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* - structured data in LD/JSON & more.
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* Also supports:
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* - header and footer from external file;
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* - manual and auto switching between light and dark themes.
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* ---
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* Created by Riva, 2023-12-07.
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* Based on "Showdown" by ShowdownJS team https://github.com/showdownjs/showdown
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* Inspired by "markdown page" by Oscar Morrison https://github.com/oscarmorrison/md-page
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* MIT License.
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*/
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document.addEventListener("DOMContentLoaded", function () {
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// setPageDefaultStyle(); // Styles
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setPageViewport(); // Viewport
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setPageEncoding(); // Encoding: utf-8
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updateColorScheme();
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switch (window.location.protocol) {
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// use this branch to load md content from external file
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case 'http:':
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case 'https:':
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loadContentExternal();
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break;
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// use this branch to load md content directly from template html file
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default:
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loadContentInternal();
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}
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});
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function setPageDefaultStyle() {
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var sheet = document.createElement('style');
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var styles = 'body { padding: 20px; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;} ';
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styles += 'blockquote { padding: 0 1em; color: #6a737d; border-left: 0.25em solid #dfe2e5;} ';
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styles += 'code { padding: 0.2em 0.4em; background: rgba(27,31,35,0.05); border-radius: 3px;} ';
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styles += 'pre > code { background: none } ';
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styles += 'pre { padding: 16px; overflow: auto; line-height: 1.45; background-color: #f6f8fa; border-radius: 3px; } ';
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styles += 'table { border-collapse: collapse; } ';
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styles += 'td, th { border: 1px solid #ddd; padding: 10px 13px; } ';
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sheet.innerHTML = styles;
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document.head.prepend(sheet);
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}
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function setPageViewport() {
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makeMetaTag('name', 'viewport', 'content', 'width=device-width, initial-scale=1, shrink-to-fit=no');
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}
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function setPageEncoding() {
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makeMetaTag('charset', 'UTF-8');
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}
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function checkSpecialPage(url, base) {
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if (url.match(base + '.md'))
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url = (new URL(base + '.md', window.location.origin)).href;
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return url;
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}
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function getMarkdownFilename() {
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var a = document.querySelector('link[rel="markdown"]');
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a = a ? a.getAttribute('href') : '';
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a = checkSpecialPage(a, '403');
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a = checkSpecialPage(a, '404');
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return a;
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}
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function loadContentExternal() {
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var client = new XMLHttpRequest();
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client.open('GET', getMarkdownFilename());
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client.send();
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client.onload = function () {
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makePage(convertMarkdownToHtml(client.responseText));
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}
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client.onerror = function () {
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loadContentInternal();
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}
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}
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function loadContentInternal() {
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var a = document.querySelector('noscript');
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if (a != null)
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makePage(convertMarkdownToHtml(a.innerText));
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}
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function convertMarkdownToHtml(markdown) {
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if (markdown == null) return;
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var converter = new showdown.Converter({
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emoji: true,
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underline: true,
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});
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converter.setFlavor('github');
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/**
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* Fix unexpected over-converting of char '<'
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /&lt;/gi,
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replace: '\\<'
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}];
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}, 'ltSignFix');
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/**
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* Fix unexpected over-converting of char '>'
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /&gt;/gi,
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replace: '>'
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}];
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}, 'gtSignFix');
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/**
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* Convert self-hosted links *.md to *.html
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /(<a\s[^>]*?href="[^"]+).md("[^>]*?>)/gi,
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replace: function (text) {
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var base = window.location.origin;
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if (window.location.protocol.startsWith('file:')) base = 'file:///';
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var url = (new URL(text.match(/"(.*?)"/)[1], base)).href;
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return url.includes(window.location.origin)
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? text.replace(/\.md"/gi, '.html"')
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: text;
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}
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}];
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}, 'convertMdLinkToHtml');
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/**
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* Open links in new tab.
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* Self-hosted links are still opened in the same tab.
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /<a\shref[^>]+>/g,
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replace: function (text) {
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var url = text.match(/"(.*?)"/)[1];
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var loc = window.location.href;
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if (!loc.startsWith('file:///'))
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url = (new URL(url, window.location.origin)).href;
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else
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if (!url.startsWith('http://') && !url.startsWith('https://')) return text;
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if (url.includes(window.location.origin)) return text;
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return '<a href="' + url + '" target="_blank">';
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}
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}];
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}, 'externalLink');
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/**
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* Extension for converter to fix SVG rendering.
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* This code replace tag <img> with <embed> for .svg images.
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* This is necessary because of incorrect rendering png embedded in svg.
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /(<)(img)([^>]*src="[^"]*?screenshots\/[^"]*?.svg"[^>]*>)/gi,
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replace: '$1embed$3'
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}];
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}, 'fixSvg');
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/**
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* Simple XSS filter.
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /=\s*?"(javascript:[^"]*)"/gi,
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replace: '=""'
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}];
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}, 'preventJSExec');
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/**
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* IMG and EMBED tags wrapper
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /<p>(\s*?<(img|embed)\s.*?src="([^"]*?)".*?alt="([^"]*?)".*?)<\/p>/gi,
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replace: '<div class="div-$2"><a href="$3" target="_blank">$1</a><p>$4</p></div>'
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}];
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}, 'tagImgAndEmbedWrapper');
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/**
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* IMG and EMBED empty caption cleaner
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /(<div class="div-(?:img|embed)".*?)(?:<p>\s*?<\/p>)(<\/div>)/gi,
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replace: '$1$2'
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}];
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}, 'tagImgAndEmbedCleaner');
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/**
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* Parse sections like @@
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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filter: function (text, converter, options) {
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return parseSections(text);
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}
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}];
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}, 'parseSections');
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/**
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* TOC Generator
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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filter: function (text, converter, options) {
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return makeToc(text);
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}
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}];
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}, 'generateTOC');
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/**
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* ToDo checkboxes fix - trim beginning spaces
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /(<input[^>]*>)\s*/gi,
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replace: '$1'
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}];
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}, 'todoFix');
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/**
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* Add class="line-numbers" to tag <PRE>
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /(<pre[^>]*?)(>.*?<\/pre>)/gis,
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replace: '$1 class="line-numbers"$2'
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}];
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}, 'preTagLineNumbersForPrism');
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/**
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* Header tags wrapper for correct CSS rendering
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /(<h\d[^>]*?>)(.*?)(<\/h\d>)/gis,
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replace: '$1<span>$2</span>$3'
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}];
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}, 'headerTagsWrapper');
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/**
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* Replace EnDash
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /([\s>])--([ \t])/gis,
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replace: '$1–$2'
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}];
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}, 'replaceEnDash');
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/**
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* Replace EmDash
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*/
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converter.addExtension(function () {
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return [{
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type: 'output',
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regex: /([\s>])---([ \t])/gis,
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replace: '$1—$2'
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}];
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}, 'replaceEmDash');
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return converter.makeHtml(markdown);
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}
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function makePage(html) {
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document.body.innerHTML = html;
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var a = document.body.firstElementChild;
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if (a != null)
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document.title = document.title || a.innerText.trim().substring(0, 100);
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a = document.querySelector('h1');
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if (a != null)
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a.setAttribute('class', 'caption');
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loadExternalSection(getLinkHref('markdown-menu', 'menu'), false, false);
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loadExternalSection(getLinkHref('html', 'header'), false, true);
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loadExternalSection(getLinkHref('html', 'footer'), true, true);
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try { Prism.highlightAll(); } catch { }
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updateColorScheme();
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document.querySelectorAll('div#sec-langs ul li p a').forEach(element => {
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element.removeAttribute('target');
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});
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languageVerify();
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if (isSeoEnabled()) seo();
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}
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/**
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* Color scheme handling.
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*/
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function getLinkHref(rel, type) {
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var a = document.querySelector('link[rel="' + rel + '"][type="' + type + '"]');
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return a ? a.getAttribute('href') : '';
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}
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function setPrismCSS(type) {
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var newCSS = getLinkHref('prism', type == 'dark' ? 'dark' : 'light');
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var oldCSS = getLinkHref('prism', type == 'dark' ? 'light' : 'dark');
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var a = document.querySelector('link[rel="stylesheet"][href="' + oldCSS + '"]');
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if (a) a.setAttribute('href', newCSS);
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}
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// https://stackoverflow.com/questions/56393880/how-do-i-detect-dark-mode-using-javascript
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function setColorScheme(scheme) {
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var catDst = '';
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var catSrc = '';
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switch (scheme) {
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case 'dark':
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catDst = getLinkHref('catalog', 'dark');
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catSrc = getLinkHref('catalog', 'light');
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document.querySelector('html').removeAttribute('light-theme');
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break;
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// case 'light': break;
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default:
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catDst = getLinkHref('catalog', 'light');
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catSrc = getLinkHref('catalog', 'dark');
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document.querySelector('html').setAttribute('light-theme', '');
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break;
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}
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// change images source
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var re = RegExp('src="([^>"]*?)' + catSrc + '([^>"]*?)"', 'gi');
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var str = 'src="$1' + catDst + '$2"';
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document.body.innerHTML = document.body.innerHTML.replace(re, str);
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// change links reference
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re = RegExp('<a href="([^>"]*?)' + catSrc + '([^>"]*?)"', 'gi');
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str = '<a href="$1' + catDst + '$2"';
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document.body.innerHTML = document.body.innerHTML.replace(re, str);
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setPrismCSS(scheme);
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}
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function getPreferredColorScheme() {
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if (window.matchMedia)
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return window.matchMedia('(prefers-color-scheme: dark)').matches ?
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'dark' : 'light';
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return 'light';
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}
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function updateColorScheme() {
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if (getLinkHref('catalog', 'light') &&
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getLinkHref('catalog', 'dark')) {
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var t = localStorage.getItem('theme');
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if (t == null) t = '0';
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switch (t) {
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case '0':
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setThemeSwitch('🌍', 'System theme', getPreferredColorScheme());
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break;
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||||
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case '1':
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setThemeSwitch('🌙', 'Dark theme', 'dark');
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break;
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||||
default:
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||||
setThemeSwitch('☀️', 'Light theme', 'light');
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||||
break;
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||||
}
|
||||
}
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||||
}
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||||
|
||||
function setThemeSwitch(icon, hint, theme) {
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||||
var e = document.querySelector('#sec-themes');
|
||||
if (e == null)
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setColorScheme(getPreferredColorScheme());
|
||||
else {
|
||||
e.innerHTML = icon;
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||||
e.setAttribute('title', hint);
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setColorScheme(theme);
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}
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}
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||||
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function themesSwithClick() {
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var t = localStorage.getItem('theme');
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||||
if (t == null) t = 0;
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if (++t > 2) t = 0;
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||||
localStorage.setItem('theme', t);
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||||
|
||||
updateColorScheme();
|
||||
}
|
||||
|
||||
if (window.matchMedia) {
|
||||
var colorSchemeQuery = window.matchMedia('(prefers-color-scheme: dark)');
|
||||
colorSchemeQuery.addEventListener('change', updateColorScheme);
|
||||
}
|
||||
|
||||
|
||||
/**
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||||
* TOC handling: generating Table of Content.
|
||||
*/
|
||||
|
||||
function tocListOpen(level) {
|
||||
return '<ul class="toc-h' + level + '">';
|
||||
}
|
||||
|
||||
function tocListClose() {
|
||||
return '</ul>';
|
||||
}
|
||||
|
||||
function tocListItemOpen(level) {
|
||||
return '<li class="toc-h' + level + '">';
|
||||
}
|
||||
|
||||
function tocListItemClose() {
|
||||
return '</li>';
|
||||
}
|
||||
|
||||
function makeToc(html) {
|
||||
// check if TOC is present, if doesn't then do nothing
|
||||
var reTOC = /<p>\s*\[toc\]\s*<\/p>/gi;
|
||||
if (reTOC.exec(html) == undefined) return html;
|
||||
|
||||
var re = /(<)(h(\d))(\s[^>]*id="([^>"]*?)"[^>]*>)(.*?)(<\/h\3>)/gi;
|
||||
var headerTags = String(html).match(re);
|
||||
|
||||
var str = '';
|
||||
var prevLevel = 0;
|
||||
|
||||
if (headerTags != null && headerTags.length) {
|
||||
for (let h of headerTags) {
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||||
var level = parseInt(h.replace(re, '$3'));
|
||||
|
||||
if (level == prevLevel) {
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||||
str += tocListItemClose() + tocListItemOpen(level);
|
||||
}
|
||||
else
|
||||
if (level > prevLevel) {
|
||||
while (level > prevLevel++) str += tocListOpen(prevLevel);
|
||||
str += tocListItemOpen(level);
|
||||
} else
|
||||
if (level < prevLevel) {
|
||||
str += tocListItemClose();
|
||||
while (level < prevLevel--) str += tocListClose();
|
||||
str += tocListItemOpen(level);
|
||||
}
|
||||
|
||||
str += h.replace(re, '<a href="#$5">$6</a>');
|
||||
prevLevel = level;
|
||||
}
|
||||
|
||||
str += tocListItemClose();
|
||||
while (prevLevel--) str += tocListClose();
|
||||
}
|
||||
|
||||
// shift unused levels of TOC
|
||||
var s = str;
|
||||
for (let i = 1; i <= 6; i++)
|
||||
if (s.match('<li class="toc-h' + i + '">'))
|
||||
break;
|
||||
else
|
||||
for (let j = 2; j <= 6; j++)
|
||||
str = str.replace(
|
||||
RegExp(' class="toc-h' + j + '">', 'gi'),
|
||||
' class="toc-h' + (j - 1) + '">');
|
||||
|
||||
// make link to TOC on each header
|
||||
re = /((<h(\d)\s[^>]*)>(.*?)(<\/h\3>))/gi;
|
||||
html = html.replace(re, '$2 class="toc-h"><a href="#toc">$4</a>$5');
|
||||
|
||||
// insert TOC and return
|
||||
str = '<div id="toc" class="toc">' + str + '</div>';
|
||||
return html.replace(reTOC, '?#?#toc').replace('?#?#toc', str);
|
||||
}
|
||||
|
||||
|
||||
function parseSections(html) {
|
||||
html = '<h6>@@content</h6>' + html + '<h6>@@</h6>';
|
||||
var s = '';
|
||||
|
||||
let x;
|
||||
var re = /<h6[^>]*?>@@([^<]*?)(?:=([^<]*?))?<\/h6>(.*?)(?=<h6[^>]*?>@@)/gis;
|
||||
while ((x = re.exec(html)) !== null) {
|
||||
var key = x[1].toLowerCase();
|
||||
var hdr = x[2];
|
||||
var txt = x[3];
|
||||
|
||||
switch (key) {
|
||||
case 'meta':
|
||||
if (isSeoEnabled()) parseMeta(txt);
|
||||
break;
|
||||
|
||||
case 'header':
|
||||
s += getSection('div', 'sec-header', hdr, '<div>' + txt + '</div>');
|
||||
break;
|
||||
|
||||
case 'images':
|
||||
s += getSection('div', 'sec-images', '', parseImages(txt, hdr));
|
||||
break;
|
||||
|
||||
case 'links':
|
||||
s += getSection('div', 'sec-links', hdr, parseLinks(txt));
|
||||
break;
|
||||
|
||||
case 'toc':
|
||||
s += getSection('div', 'sec-toc', hdr, '<p>[TOC]</p>');
|
||||
break;
|
||||
|
||||
case 'langs':
|
||||
s += getSection('div hidden', 'sec-langs', hdr, parseLangs(txt));
|
||||
break;
|
||||
|
||||
case 'themes':
|
||||
s += getSection('div onclick="themesSwithClick()"', 'sec-themes', '', '');
|
||||
break;
|
||||
|
||||
case 'menu':
|
||||
s += getSection('div', 'sec-menu', '', parseMenu(txt, hdr));
|
||||
break;
|
||||
|
||||
case 'structured':
|
||||
case 'structureddata':
|
||||
makeTag(document.head, 'script', 'type', 'application/ld+json').innerHTML =
|
||||
txt.replace(/<[^>]+?>/gis, '');
|
||||
break;
|
||||
|
||||
case 'content':
|
||||
default:
|
||||
if (txt == '') break;
|
||||
s += getSection('article', 'sec-content', hdr, txt);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return document.querySelector('#main') ? s : '<div id="main">' + s + '</div>';
|
||||
}
|
||||
|
||||
function getSection(tag, id, h1, content) {
|
||||
return '<' + tag + getSectionId(id) + '>' + getSectionH1(h1) + content + '</' + tag + '>';
|
||||
}
|
||||
|
||||
function getSectionH1(text) {
|
||||
return (text != undefined && text != '') ? '<h1>' + text + '</h1>' : '';
|
||||
}
|
||||
|
||||
function getSectionId(text) {
|
||||
return (text != undefined && text != '') ? ' id=' + text : '';
|
||||
}
|
||||
|
||||
var loadMax = 0;
|
||||
var loaded = 0;
|
||||
function loadExternalSection(filename, after, isHtml) {
|
||||
if (filename == undefined || filename == '') return;
|
||||
var client = new XMLHttpRequest();
|
||||
client.open('GET', filename);
|
||||
client.send();
|
||||
loadMax++;
|
||||
|
||||
client.onload = function () {
|
||||
var s = document.body.innerHTML;
|
||||
var r = client.responseText;
|
||||
r = isHtml ? r : convertMarkdownToHtml(r);
|
||||
document.body.innerHTML = after ? s + r : r + s;
|
||||
if (++loaded == loadMax) externalSectionsLoaded();
|
||||
}
|
||||
}
|
||||
|
||||
function externalSectionsLoaded() {
|
||||
moveSection('body>#sec-menu', '#header-bottom');
|
||||
makeTag(document.querySelector('#header-bottom'), 'div', 'empty', '');
|
||||
moveSection('#sec-themes', '#header-bottom');
|
||||
moveSection('#sec-langs', '#header-bottom');
|
||||
if (document.querySelector('#header-bottom').childElementCount > 2)
|
||||
document.querySelector('#header-bottom > div[empty=""]').remove();
|
||||
|
||||
var a = document.querySelector('#header-bottom');
|
||||
if (a.querySelectorAll('#sec-menu,#sec-langs,#sec-themes').length == 0) a.remove();
|
||||
|
||||
var a = document.querySelector('#sec-langs');
|
||||
if (a != null)
|
||||
a.removeAttribute('hidden');
|
||||
}
|
||||
|
||||
function moveSection(element, dest) {
|
||||
var sec = document.querySelector(element);
|
||||
if (sec == null) return;
|
||||
var a = document.querySelector(dest)
|
||||
if (a != null)
|
||||
a.appendChild(sec);
|
||||
}
|
||||
|
||||
function parseLinks(html) {
|
||||
return html.replace(
|
||||
/(<p>\s*?<a)([^>]*?>.*?)(?:\s*?@@(\w+))(<\/a>\s*?<\/p>)/gis,
|
||||
'$1 class="btn-$3"$2$4');
|
||||
}
|
||||
|
||||
function parseLangs(html) {
|
||||
return html.replace(
|
||||
/(<p>\s*?<a)([^>]*?>.*?)(?:\s*?@@(?:(\w*);)?(.+?))(<\/a>\s*?<\/p>)/gis,
|
||||
'$1 title="$4" lng="$3"$2$5');
|
||||
}
|
||||
|
||||
function parseImages(html, prevDir) {
|
||||
return prevDir
|
||||
? html.replace(
|
||||
/(<img\s+src="[^"]+?)([^"\/]+)\.[^\."]+(")/gis,
|
||||
'$1' + prevDir + '/$2.jpg$3')
|
||||
: html;
|
||||
}
|
||||
|
||||
var menuCnt = 0;
|
||||
function parseMenu(html, hdr) {
|
||||
menuCnt++;
|
||||
var id = '"m' + menuCnt + '-inp-$3"';
|
||||
html = '<input type="checkbox" id="menu-' + menuCnt + '"><label for="menu-'
|
||||
+ menuCnt + '">☰' + (hdr ? hdr : '') + '</label>' + html;
|
||||
return html
|
||||
.replace(
|
||||
/(<li>\s*?<a\s[^>]*?>)([^<]*?)(<\/a>\s*<img\s[^>]*?alt=")([^"]*?)("[^>]*?\/>)/gis,
|
||||
'$1$2$3$2" loading="lazy$5')
|
||||
.replace(
|
||||
/(<img [^>]*?>)/gis,
|
||||
'<div>$1</div>')
|
||||
.replace(
|
||||
/(<li>)(?:\s*<p>\s*)(<a[^>]*>)?([^<]*)(<\/a>)?(?:\s*<\/p>)/gis,
|
||||
'$1<input type="checkbox" id=' + id + '><label for=' + id + '>$2$3$4</label>')
|
||||
.replace(
|
||||
/((?:src|href)=")(?:\.\.\/)*([^"]*")/gis,
|
||||
'$1' + window.location.origin + '/$2');
|
||||
}
|
||||
|
||||
function parseMeta(html) {
|
||||
let x;
|
||||
var re = /<p[^>]*?>([^=<]*?)\s*=\s*(.*?)<\/p>/gis;
|
||||
|
||||
while ((x = re.exec(html)) !== null) {
|
||||
var key = x[1].toLowerCase();
|
||||
var txt = x[2];
|
||||
if (key == '' || txt == '') continue;
|
||||
|
||||
switch (key) {
|
||||
case 'title':
|
||||
var node = document.createElement('title');
|
||||
node.innerHTML = txt;
|
||||
document.head.appendChild(node);
|
||||
case 'og:title':
|
||||
makeMetaTagByProp('og:title', txt);
|
||||
break;
|
||||
|
||||
case 'description':
|
||||
case 'desc':
|
||||
makeMetaTagByName('description', txt);
|
||||
case 'og:description':
|
||||
case 'og:desc':
|
||||
makeMetaTagByProp('og:description', txt);
|
||||
break;
|
||||
|
||||
case 'published':
|
||||
case 'article:published_time':
|
||||
makeMetaTagByProp('article:published_time', txt);
|
||||
break;
|
||||
|
||||
case 'modified':
|
||||
case 'article:modified_time':
|
||||
makeMetaTagByProp('article:modified_time', txt);
|
||||
break;
|
||||
|
||||
case 'image':
|
||||
case 'og:image':
|
||||
makeMetaTagByProp('og:image', new URL(txt, window.location.href));
|
||||
break;
|
||||
|
||||
case 'site':
|
||||
case 'og:site_name':
|
||||
makeMetaTagByProp('og:site_name', txt);
|
||||
break;
|
||||
|
||||
case 'type':
|
||||
case 'og:type':
|
||||
makeMetaTagByProp('og:type', txt);
|
||||
break;
|
||||
|
||||
case 'url':
|
||||
case 'og:url':
|
||||
makeMetaTagByProp('og:url', txt);
|
||||
break;
|
||||
|
||||
case 'twitter':
|
||||
makeMetaTagByName('twitter:site', '@' + txt);
|
||||
break;
|
||||
|
||||
case 'robots':
|
||||
makeMetaTagByName('robots', txt);
|
||||
break;
|
||||
|
||||
case 'lang':
|
||||
case 'language':
|
||||
var a = document.querySelector('html');
|
||||
if (a != null)
|
||||
a.setAttribute('lang', txt);
|
||||
break;
|
||||
|
||||
case 'key':
|
||||
case 'keywords':
|
||||
makeMetaTagByName('keywords', txt);
|
||||
break;
|
||||
|
||||
case 'author':
|
||||
makeMetaTagByName('author', txt);
|
||||
makeMetaTagByName('publisher', txt);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
var seoEn = false;
|
||||
function isSeoEnabled() {
|
||||
if (!seoEn) {
|
||||
var tag = document.querySelector('seo');
|
||||
seoEn |= tag != null && tag.hasAttribute('enable');
|
||||
}
|
||||
return seoEn;
|
||||
}
|
||||
|
||||
function seo() {
|
||||
makeLinkTag('rel', 'canonical', 'href', window.location.href);
|
||||
|
||||
makeMetaTagByProp('og:title', document.title);
|
||||
makeMetaTagByProp('og:url', window.location.href);
|
||||
makeMetaTagByProp('og:type', 'website');
|
||||
|
||||
makeMetaTagByName('twitter:card', 'summary');
|
||||
['title', 'description', 'image', 'url'].forEach(s => {
|
||||
var a = document.querySelector('meta[property="og:' + s + '"]');
|
||||
makeMetaTagByName('twitter:' + s,
|
||||
a ? a.getAttribute('content') : '');
|
||||
});
|
||||
|
||||
makeHrefLang();
|
||||
}
|
||||
|
||||
function makeTag(parent, tag, a1, a1txt, a2, a2txt, a3, a3txt) {
|
||||
if (!parent || !tag) return null;
|
||||
var d = document.createElement(tag);
|
||||
if (a1) d.setAttribute(a1, a1txt);
|
||||
if (a2) d.setAttribute(a2, a2txt);
|
||||
if (a3) d.setAttribute(a3, a3txt);
|
||||
parent.appendChild(d);
|
||||
return d;
|
||||
}
|
||||
|
||||
function makeLinkTag(a1, a1txt, a2, a2txt, a3, a3txt) {
|
||||
makeTag(document.head, 'link', a1, a1txt, a2, a2txt, a3, a3txt);
|
||||
}
|
||||
function makeMetaTag(a1, a1txt, a2, a2txt, a3, a3txt) {
|
||||
makeTag(document.head, 'meta', a1, a1txt, a2, a2txt, a3, a3txt);
|
||||
}
|
||||
|
||||
function makeMetaTagByName(name, content) {
|
||||
if (document.querySelector('meta[name="' + name + '"]') == null)
|
||||
makeMetaTag('name', name, 'content', content);
|
||||
}
|
||||
|
||||
function makeMetaTagByProp(prop, content) {
|
||||
if (document.querySelector('meta[property="' + prop + '"]') == null)
|
||||
makeMetaTag('property', prop, 'content', content);
|
||||
}
|
||||
|
||||
function makeHrefLang() {
|
||||
document.querySelectorAll('div#sec-langs ul li p a').forEach(element => {
|
||||
var h = new URL(element.getAttribute('href'), window.location.href);
|
||||
var l = element.getAttribute('lng').toLowerCase();
|
||||
makeLinkTag('rel', 'alternate', 'href', h, 'hreflang', l);
|
||||
});
|
||||
}
|
||||
|
||||
function languageVerify() {
|
||||
var arr = [];
|
||||
var doc = document.querySelector('html').getAttribute('lang');
|
||||
var langs = document.querySelectorAll('div#sec-langs ul li p a');
|
||||
if (langs.length == 0) return;
|
||||
langs.forEach((e, i) => {
|
||||
var l = e.getAttribute('lng');
|
||||
var re = RegExp('^/(' + l + '|' + doc + ')/', 'gi');
|
||||
var p = '/' + l + window.location.pathname.replace(re, '/');
|
||||
if (i == 0) p = p.replace(re, '/');
|
||||
e.setAttribute('href', window.location.origin + p);
|
||||
arr.push({
|
||||
'l': l,
|
||||
't': e.getAttribute('title'),
|
||||
'h': e.getAttribute('href'),
|
||||
'x': e.innerHTML
|
||||
});
|
||||
});
|
||||
var def = arr[0].h;
|
||||
makeLinkTag('rel', 'alternate', 'href', def, 'hreflang', 'x-default');
|
||||
arr.sort((a, b) => { return a.l > b.l; });
|
||||
langs.forEach((e, i) => {
|
||||
var a = arr[i];
|
||||
e.setAttribute('lng', a.l);
|
||||
e.setAttribute('title', a.t);
|
||||
e.setAttribute('href', a.h);
|
||||
e.innerHTML = a.x;
|
||||
});
|
||||
var loc = navigator.language.split('-')[0];
|
||||
arr.forEach(e => { if (e.l == loc) return def = e.h; });
|
||||
var cur = localStorage.getItem('lang');
|
||||
if (cur == null) {
|
||||
localStorage.setItem('lang', loc);
|
||||
document.location.href = def;
|
||||
} else
|
||||
if (cur != doc)
|
||||
localStorage.setItem('lang', doc);
|
||||
}
|
||||
3
matrixFont/help/js/showdown.min.js
vendored
Normal file
3
matrixFont/help/js/showdown.min.js
vendored
Normal file
File diff suppressed because one or more lines are too long
Reference in New Issue
Block a user