$title

Hostname of site. Used when generating HTML. --help Displays this message. -o --output Directory where site will be built into. "; exit(1); } function getPages(string $src, string $geminiOutput, string $wwwOutput): array { $src = realpath($src); $iter = new \RecursiveIteratorIterator( new \RecursiveDirectoryIterator($src, \FilesystemIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST ); $pages = []; foreach ($iter as $fileInfo) { if (!is_file($fileInfo->getRealPath())) { continue; } $pages[] = getPageMetaData($fileInfo, $src, $geminiOutput, $wwwOutput); } return $pages; } function getPageMetaData(\SplFileInfo $fileInfo, string $src, string $geminiOutput, string $wwwOutput): array { $input = $fileInfo->getRealPath(); $pathData = parsePath($input); $geminiUrl = str_replace($src, '', $input); $wwwUrl = str_replace('.gmi', '.html', $geminiUrl); $contentData = parseContent(file_get_contents($input)); return [ 'input' => $input, 'geminiUrl' => $geminiUrl, 'wwwUrl' => $wwwUrl, 'date' => $pathData['date'], 'tag' => $pathData['tag'], 'isPost' => $pathData['isPost'], 'isTag' => $pathData['isTag'], 'title' => $contentData['title'], 'author' => $contentData['author'], 'html' => gemtext2hmtl(file_get_contents($input)), 'geminiOutput' => "$geminiOutput$geminiUrl", 'wwwOutput' => "$wwwOutput$wwwUrl", ]; } function parsePath(string $path): array { $date = null; $tag = null; $isPost = false; $isTag = false; /** * Assume that only posts have both a date and a tag. */ if (preg_match('/\/posts\/(.+)\/(\d\d\d\d-\d\d-\d\d)\//', $path, $matches) === 1) { [, $tag, $date] = $matches; $isPost = true; } /** * Assume tags have an index file that contains related posts. */ if (preg_match('/posts\/(?:[^\/]|\/\/)+\/index/', $path, $matches) === 1) { $tag = explode('/', $matches[0])[1]; $isTag = true; } return [ 'date' => $date, 'tag' => $tag, 'isPost' => $isPost, 'isTag' => $isTag, ]; } function parseContent(string $content): array { $title = null; $author = null; if (preg_match('/^# (.+)$/m', $content, $matches) === 1) { $title = $matches[1]; } if (preg_match('/^> .+ By (.+)$/m', $content, $matches) === 1) { $author = $matches[1]; } return [ 'title' => $title, 'author' => $author, ]; } function buildGeminiSite(array $pages): void { foreach ($pages as $page) { $destDirectory = dirname($page['geminiOutput']); if (!file_exists($destDirectory) && !mkdir($destDirectory, 0777, true)) { echo "Unable to create Gemini site directory $destDirectory."; exit(1); } copy($page['input'], $page['geminiOutput']); } } function buildWWWSite(array $pages, string $hostname, string $htmlTemplateDiretory, $assetsDiretory, string $output): void { foreach ($pages as $page) { $destDirectory = dirname($page['wwwOutput']); if (!file_exists($destDirectory) && !mkdir($destDirectory, 0777, true)) { echo "Unable to create WWW site directory $destDirectory."; exit(1); } file_put_contents( $page['wwwOutput'], buildHtmlFile( $page['title'], $page['html'], file_get_contents($htmlTemplateDiretory.DIRECTORY_SEPARATOR.'default.html') ) ); } copyWWWAssets($assetsDiretory, $output); generateAtomFeeds($pages, $hostname); } function buildHtmlFile(string $title, string $contents, string $template): string { return str_replace( [ '{{ $title }}', '{{ $contents }}' ], [ $title, $contents, ], $template ); } function gemtext2hmtl(string $gemtext): string { $html = []; $lines = preg_split('/\r?\n/', htmlspecialchars($gemtext)); $line = fn ($index) => trim($lines[$index]); $index = 0; $numLines = count($lines); while($index < $numLines) { if (preg_match(HEADER, $line($index), $matches) === 1) { [, $levels, $content] = $matches; $level = strlen($levels); $html[] = "$content"; } elseif (preg_match(LINK, $line($index), $matches) === 1) { [, $href, $content] = $matches; $content = $content ?: $href; $html[] = "$content"; } elseif (preg_match(LIST_ITEM, $line($index), $matches) === 1) { $items = []; while ($index < $numLines) { if (preg_match(LIST_ITEM, $line($index), $matches) === 0) { break; } $items[] = "

$matches[1]

"; $index++; } $index--; $html[] = sprintf("

%s", implode('', $items)); } elseif (preg_match(PRE, $line($index), $matches) === 1) { [, $alt] = $matches; $items = []; $index++; while ($index < $numLines) { $item = $line($index); if (preg_match(PRE, $item, $matches) === 1) { break; } $items[] = $item; $index++; } $items = implode("\n", $items); $html[] = $alt ? "

$items

" : "

$items

"; } elseif (preg_match(QUOTE, $line($index), $matches) === 1) { $html[] = "

$matches[1]

"; } else { if ($line($index) !== '') { $html[] = "

{$line($index)}

"; } } $index++; } return implode('', $html); } function copyWWWAssets(string $assetsDiretory, string $output): void { $assetsDiretory = realpath($assetsDiretory); $iter = new \RecursiveIteratorIterator( new \RecursiveDirectoryIterator($assetsDiretory, \FilesystemIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST ); foreach ($iter as $fileInfo) { if (!is_file($fileInfo->getRealPath())) { continue; } $input = $fileInfo->getRealPath(); $url = str_replace($assetsDiretory, '', $input); $destFile = $output.DIRECTORY_SEPARATOR.$url; $destDirectory = dirname($destFile); if (!file_exists($destDirectory) && !mkdir($destDirectory, 0777, true)) { echo "Unable to create WWW asset directory $destDirectory."; exit(1); } copy($input, $destFile); } } function generateAtomFeeds(array $pages, string $hostname): void { $posts = array_filter($pages, fn ($post) => $post['isPost']); $tags = array_filter($pages, fn ($post) => $post['isTag']); /** * Sort by latest to previous date. */ usort($posts, fn ($a, $b) => $b['date'] <=> $a['date']); /** * Group posts by tag. */ $groupedPosts = array_reduce($posts, function ($carry, $post) { $carry[$post['tag']][] = $post; return $carry; }, []); /** * Put posts with their tag page. */ $tags = array_map(function ($tag) use ($groupedPosts) { return array_merge($tag, ['posts' => $groupedPosts[$tag['tag']]]); }, $tags); foreach ($tags as $tag) { tagToAtomFeed($tag, $hostname); } /** * Get the page that lists all posts. */ $allPostsIndex = array_values(array_filter($pages, fn ($post) => preg_match('/posts\/index/', $post['wwwUrl']) == 1))[0]; $allPostsIndex['posts'] = $posts; tagToAtomFeed($allPostsIndex, $hostname); } function tagToAtomFeed(array $tag, string $hostname): void { file_put_contents( str_replace('index.html', 'atom.xml', $tag['wwwOutput']), buildAtomFeed( $tag['title'], "https://$hostname".str_replace('index.html', 'atom.xml', $tag['wwwUrl']), "https://$hostname".$tag['wwwUrl'], $tag['posts'][0]['date'].'T12:00:00Z', implode('', array_map(fn ($post) => postToAtomEntry($post, $hostname), $tag['posts'])) ) ); } function postToAtomEntry(array $post, string $hostname): string { return buildAtomEntry( $post['title'], "https://$hostname{$post['wwwUrl']}", $post['author'], "{$post['date']}T12:00:00Z", $post['html'], ); } function buildAtomFeed(string $title, string $href, string $altHref, string $date, string $entries): string { return << $title $href $date $entries EOF_STR; } function buildAtomEntry(string $title, string $href, string $author, string $date, string $content): string { return << $title $href $author $date $date ![CDATA[$content]] EOF_STR; }