mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-24 01:11:52 +00:00
131 lines
3.4 KiB
PHP
131 lines
3.4 KiB
PHP
<?php echoUOJPageHeader(UOJLocale::get('html to markdown')) ?>
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<h1>
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<?= UOJLocale::get('html to markdown') ?>
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</h1>
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<style>
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#html,
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#markdown {
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font-family: Cascadia Mono, Ubuntu Mono, Roboto Mono, Jetbrains Mono, Fira Code, Consolas, '思源黑体 Regular', '思源宋体 Light', '宋体', 'Courier New', monospace;
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width: 100%;
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min-height: 300px;
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}
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</style>
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<div class="card">
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<div class="card-body">
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<div class="row row-cols-1 row-cols-md-2">
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<div class="col">
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<textarea class="form-control" id="html" placeholder="input html here"></textarea>
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</div>
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<div class="col">
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<textarea data-no-autosize readonly class="form-control" id="markdown" placeholder="output markdown here" style="height: 100%"></textarea>
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</div>
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</div>
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</div>
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<div class="card-footer bg-transparent text-end">
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<a href="https://s2oj.github.io/#/user/apps/html2markdown" target="_blank">使用教程</a>
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</div>
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</div>
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<?= HTML::js_src('/js/turndown.js') ?>
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<?= HTML::js_src('/js/turndown-plugin-gfm.js') ?>
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<script>
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function mathjaxScriptBlockType(node) {
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if (node.nodeName !== 'SCRIPT') return null;
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const a = node.getAttribute('type');
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if (!a || a.indexOf('math/tex') < 0) return null;
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return a.indexOf('display') >= 0 ? 'block' : 'inline';
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}
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var turndownService = new TurndownService({
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headingStyle: 'atx',
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hr: '---',
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bulletListMarker: '-',
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codeBlockStyle: 'fenced',
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fence: '```',
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emDelimiter: '_',
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strongDelimiter: '**',
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linkStyle: 'inlined',
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linkReferenceStyle: 'full',
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preformattedCode: false,
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});
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turndownService.use(turndownPluginGfm.gfm);
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turndownService.addRule('mathjaxRendered', {
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filter: function(node) {
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return node.nodeName === 'SPAN' && node.getAttribute('class') === 'MathJax';
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},
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replacement: function(content) {
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return '';
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}
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});
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turndownService.addRule('mathjaxScriptInline', {
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filter: function(node) {
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return mathjaxScriptBlockType(node) === 'inline';
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},
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escapeContent: function() {
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// We want the raw unescaped content since this is what Katex will need to render
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// If we escape, it will double the \\ in particular.
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return false;
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},
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replacement: function(content, node, options) {
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return '$' + content + '$';
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}
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});
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turndownService.addRule('mathjaxScriptBlock', {
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filter: function(node) {
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return mathjaxScriptBlockType(node) === 'block';
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},
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escapeContent: function() {
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return false;
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},
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replacement: function(content, node, options) {
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return '$$\n' + content + '\n$$';
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}
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});
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turndownService.addRule('katexInline', {
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filter: function(node) {
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return node.nodeName === 'SPAN' && node.getAttribute('class') === 'katex';
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},
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escapeContent: function() {
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return false;
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},
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replacement: function(content, node, options) {
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return '$' + $('.katex-mathml annotation[encoding="application/x-tex"]', node).html() + '$';
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}
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});
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turndownService.addRule('katexInline', {
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filter: function(node) {
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return node.nodeName === 'SPAN' && node.getAttribute('class') === 'katex-display';
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},
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escapeContent: function() {
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return false;
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},
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replacement: function(content, node, options) {
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return '$$\n' + $('.katex-mathml annotation[encoding="application/x-tex"]', node).html() + '\n$$';
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}
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});
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$(document).ready(function() {
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$('#html').on('input', function() {
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$('#markdown').val(turndownService.turndown($('#html').val()));
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});
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});
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</script>
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<?php echoUOJPageFooter() ?>
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