<?php

error_reporting(E_ALL);

ini_set('display_errors', 1);

// Check for MD files

$files = glob('*.md');

if (empty($files)) {

die('Error: No MD files found in the current directory');

}

// Determine the current file

$currentFile = isset($_GET['file']) ? $_GET['file'] : 'README.md';

// Check that the file exists

if (!in_array($currentFile, $files)) {

$currentFile = 'README.md';

}

// Check if the file is readable

if (!is_readable($currentFile)) {

die('Error: Cannot read file ' . $currentFile);

}

// Get file content

$content = file_get_contents($currentFile);

if ($content === false) {

die('Error: Failed to get file content ' . $currentFile);

}

// Convert Markdown to HTML

function parseMarkdown($markdown) {

// Protect code blocks (using a more greedy expression to capture multiple lines of code)

$codeBlocks = [];

$markdown = preg_replace_callback('/```(.*?)\n([\s\S]*?)```/s', function($matches) use (&$codeBlocks) {

$language = trim($matches[1]);

$code = htmlspecialchars($matches[2]);

$index = count($codeBlocks);

$codeBlocks[$index] = [

'language' => $language,

'code' => $code

];

// Use a unique token with unlikely characters

return "<!-CODE-BLOCK-TOKEN-$index-!>";

}, $markdown);

// Protect inline code (more precise expression)

$inlineCodes = [];

$markdown = preg_replace_callback('/`([^`\n]+?)`/', function($matches) use (&$inlineCodes) {

$index = count($inlineCodes);

$inlineCodes[$index] = htmlspecialchars($matches[1]);

// Use a unique token with unlikely characters

return "<!-INLINE-CODE-TOKEN-$index-!>";

}, $markdown);

// Process headers

$markdown = preg_replace_callback('/^(#{1,6})\s+(.*)$/m', function($matches) {

$level = strlen($matches[1]);

$text = trim($matches[2]);

$id = strtolower(preg_replace('/[^a-z0-9]+/', '-', $text));

$id = trim($id, '-');

return "<h$level id=\"$id\">$text</h$level>";

}, $markdown);

// Process links to MD files

$markdown = preg_replace_callback('/\[([^\]]+)\]\(([^)]+\.md)(#[^)]*)?\)/', function($matches) {

$text = $matches[1];

$href = $matches[2];

$anchor = isset($matches[3]) ? $matches[3] : '';

return "<a href=\"?file=" . urlencode($href) . "$anchor\">$text</a>";

}, $markdown);

// Regular links

$markdown = preg_replace('/\[([^\]]+)\]\(([^)]+)\)/', '<a href="$2" target="_blank">$1</a>', $markdown);

// Images

$markdown = preg_replace('!\!\[([^\]]*)\]\((.*?)\s*(".*")?\)!', '<img src="$2" alt="$1" class="img-fluid">', $markdown);

// Bold text

$markdown = preg_replace('/\*\*(.*?)\*\*/', '<strong>$1</strong>', $markdown);

$markdown = preg_replace('/\_\_(.*?)\_\_/', '<strong>$1</strong>', $markdown);

// Italic text

$markdown = preg_replace('/\*(.*?)\*/', '<em>$1</em>', $markdown);

$markdown = preg_replace('/\_(.*?)\_/', '<em>$1</em>', $markdown);

// Horizontal line

$markdown = preg_replace('/^\s*[-*_]{3,}\s*$/m', '<hr>', $markdown);

// Lists

$markdown = preg_replace('/^\s*[-*]\s+(.*?)$/m', '<li>$1</li>', $markdown);

$markdown = preg_replace('/(<li>.*?<\/li>(\s*<li>.*?<\/li>)*)/s', '<ul>$1</ul>', $markdown);

// Numbered lists

$markdown = preg_replace('/^\s*(\d+)\.\s+(.*?)$/m', '<li>$2</li>', $markdown);

$markdown = preg_replace_callback('/(<li>.*?<\/li>(\s*<li>.*?<\/li>)*)/s', function($matches) {

// Check if this is a numbered list or a regular list

if (preg_match('/^\s*\d+\.\s+/', $matches[0])) {

return '<ol>' . $matches[1] . '</ol>';

}

return $matches[0]; // Return unchanged

}, $markdown);

// Paragraphs (only if not a list or heading)

$markdown = preg_replace_callback('/^([^<\s].+)$/m', function($matches) {

$line = $matches[1];

// Don't wrap in <p> if the line already contains HTML tags

if (preg_match('/^<(h\d|ul|ol|li|table|blockquote|pre|img)/', $line)) {

return $line;

}

return "<p>$line</p>";

}, $markdown);

// Restore code blocks

$markdown = preg_replace_callback('/<!-CODE-BLOCK-TOKEN-(\d+)-!>/', function($matches) use ($codeBlocks) {

$index = $matches[1];

if (!isset($codeBlocks[$index])) {

return $matches[0]; // In case of error, return the original text

}

$block = $codeBlocks[$index];

$language = $block['language'];

$code = $block['code'];

$languageClass = $language ? " class=\"language-$language\"" : "";

return "<pre><code$languageClass>$code</code></pre>";

}, $markdown);

// Restore inline code

$markdown = preg_replace_callback('/<!-INLINE-CODE-TOKEN-(\d+)-!>/', function($matches) use ($inlineCodes) {

$index = $matches[1];

if (!isset($inlineCodes[$index])) {

return $matches[0]; // In case of error, return the original text

}

$code = $inlineCodes[$index];

return "<code>$code</code>";

}, $markdown);

return $markdown;

}

// Convert Markdown to HTML

$html = parseMarkdown($content);

?>

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<meta name="viewport" content="width=device-width, initial-scale=1.0">

<title>Python Questions Documentation</title>

<!-- Bootstrap CSS -->

<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">

<!-- highlight.js for syntax highlighting -->

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github.min.css">

<script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>

<style>

html {

scroll-behavior: smooth;

}

.sidebar {

position: fixed;

top: 0;

bottom: 0;

left: 0;

z-index: 100;

padding: 48px 0 0;

box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);

overflow-y: auto;

}

.content {

margin-left: 240px;

padding: 20px;

}

@media (max-width: 767.98px) {

.content {

margin-left: 0;

}

.sidebar {

position: static;

height: auto;

padding-top: 20px;

}

}

.nav-link {

color: #333;

padding: 0.5rem 1rem;

}

.nav-link.active {

background-color: #e9ecef;

color: #007bff;

}

.nav-link:hover {

color: #007bff;

background-color: #f8f9fa;

}

/* Markdown styles */

pre {

background-color: #f8f9fa;

padding: 15px;

border-radius: 5px;

margin: 1rem 0;

overflow-x: auto;

}

code {

background-color: #f8f9fa;

padding: 2px 5px;

border-radius: 3px;

font-family: 'Consolas', 'Monaco', 'Courier New', monospace;

}

pre code {

background-color: transparent;

padding: 0;

border-radius: 0;

}

.markdown-content {

max-width: 800px;

margin: 0 auto;

}

.markdown-content h1 {

margin-top: 2rem;

margin-bottom: 1rem;

border-bottom: 1px solid #eaecef;

padding-bottom: 0.3rem;

}

.markdown-content h2 {

margin-top: 1.5rem;

margin-bottom: 1rem;

border-bottom: 1px solid #eaecef;

padding-bottom: 0.3rem;

}

.markdown-content h3 {

margin-top: 1.25rem;

margin-bottom: 1rem;

}

.markdown-content p {

margin-bottom: 1rem;

line-height: 1.6;

}

.markdown-content ul, .markdown-content ol {

margin-bottom: 1rem;

padding-left: 2rem;

}

.markdown-content li {

margin-bottom: 0.5rem;

}

.markdown-content img {

max-width: 100%;

height: auto;

display: block;

margin: 1rem 0;

}

.markdown-content blockquote {

padding: 0.5rem 1rem;

border-left: 4px solid #dfe2e5;

color: #6a737d;

margin: 1rem 0;

}

.markdown-content hr {

height: 0.25rem;

padding: 0;

margin: 1.5rem 0;

background-color: #e1e4e8;

border: 0;

}

</style>

</head>

<body>

<div class="container-fluid">

<div class="row">

<!-- Sidebar with navigation -->

<nav class="col-md-3 col-lg-2 d-md-block bg-light sidebar">

<div class="position-sticky pt-3">

<h5 class="px-3 mb-3">Documentation Files</h5>

<ul class="nav flex-column">

<?php foreach ($files as $file): ?>

<li class="nav-item">

<a class="nav-link <?php echo $file === $currentFile ? 'active' : ''; ?>"

href="?file=<?php echo urlencode($file); ?>">

<?php echo htmlspecialchars($file); ?>

</a>

</li>

<?php endforeach; ?>

</ul>

</div>

</nav>

<!-- Main content -->

<main class="col-md-9 ms-sm-auto col-lg-10 px-md-4 content">

<div class="markdown-content">

<?php echo $html; ?>

</div>

</main>

</div>

</div>

<!-- Bootstrap JS -->

<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>

<script>

// Initialize syntax highlighting

document.addEventListener('DOMContentLoaded', function() {

document.querySelectorAll('pre code').forEach((el) => {

hljs.highlightElement(el);

});

// If there is an anchor in the URL, scroll to it

if (window.location.hash) {

setTimeout(function() {

const id = window.location.hash.substring(1);

const element = document.getElementById(id);

if (element) {

element.scrollIntoView();

}

}, 100);

}

});

</script>

</body>

</html>