mirror of
https://github.com/friendica/friendica
synced 2024-11-10 05:42:54 +00:00
Reworked parser
This commit is contained in:
Michael
parent
58a4469f25
commit
70092a1aff
1 changed files with 238 additions and 326 deletions
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@ -34,8 +34,6 @@ class NPF
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{
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static public function fromBBCode(string $bbcode, int $uri_id): array
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{
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$npf = [];
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$bbcode = self::prepareBody($bbcode);
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$html = BBCode::convert($bbcode, false, BBCode::CONNECTORS);
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@ -44,14 +42,21 @@ class NPF
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}
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$doc = new DOMDocument();
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$doc->formatOutput = true;
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if (!@$doc->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'))) {
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return [];
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}
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$element = $doc->getElementsByTagName('body')->item(0);
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$npf = self::routeChildren($element, $uri_id, 0, $npf);
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echo $element->ownerDocument->saveHTML($element) . "\n";
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return self::addLinkBlock($uri_id, 0, $npf);
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$npf = [];
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$text = '';
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$formatting = [];
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self::routeChildren($element, $uri_id, true, [], $npf, $text, $formatting);
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return self::addLinkBlockForUriId($uri_id, 0, $npf);
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}
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static private function prepareBody(string $body): string
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@ -95,181 +100,276 @@ class NPF
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return trim($body);
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}
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static private function routeChildren(DOMElement $element, int $uri_id, int $level, array $npf): array
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static private function routeChildren(DOMElement $element, int $uri_id, bool $parse_structure, array $callstack, array &$npf, string &$text, array &$formatting)
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{
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$text = '';
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$formatting = [];
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if ($parse_structure && $text) {
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self::addBlock($text, $formatting, $npf, $callstack);
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}
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$callstack[] = $element->nodeName;
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$level = self::getLevelByCallstack($callstack);
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foreach ($element->childNodes as $child) {
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switch ($child->nodeName) {
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case 'blockquote':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addQuoteBlock($child, $uri_id, $level, $npf);
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case 'b':
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case 'strong':
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self::addFormatting($child, $uri_id, 'bold', $callstack, $npf, $text, $formatting);
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break;
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case 'h1':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addTextBlock($child, $uri_id, $level, $npf, 'heading1');
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case 'i':
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case 'em':
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self::addFormatting($child, $uri_id, 'italic', $callstack, $npf, $text, $formatting);
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break;
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case 'h2':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addTextBlock($child, $uri_id, $level, $npf, 'heading1');
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case 's':
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self::addFormatting($child, $uri_id, 'strikethrough', $callstack, $npf, $text, $formatting);
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break;
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case 'h3':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addTextBlock($child, $uri_id, $level, $npf, 'heading1');
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case 'u':
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case 'span':
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self::addFormatting($child, $uri_id, '', $callstack, $npf, $text, $formatting);
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break;
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case 'h4':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addTextBlock($child, $uri_id, $level, $npf, 'heading2');
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break;
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case 'h5':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addTextBlock($child, $uri_id, $level, $npf, 'heading2');
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break;
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case 'h6':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addTextBlock($child, $uri_id, $level, $npf, 'heading2');
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break;
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case 'ul':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addListBlock($child, $uri_id, $level, $npf, false, 0);
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break;
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case 'ol':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addListBlock($child, $uri_id, $level, $npf, true, 0);
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break;
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case 'hr':
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case 'br':
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$text .= "\n";
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if (!empty($text)) {
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$text .= "\n";
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}
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break;
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case 'pre':
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case 'code':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addTextBlock($child, $uri_id, $level, $npf, 'indented');
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case '#text':
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$text .= $child->textContent;
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break;
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case 'a':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addMediaBlock($child, $uri_id, $level, $npf);
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break;
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case 'table':
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// Unsupported
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// $child->ownerDocument->saveHTML($child)
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case 'summary':
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// Ignore tables and spoilers
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break;
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case 'a':
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if ($text) {
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self::addInlineLink($child, $uri_id, $callstack, $npf, $text, $formatting);
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} else {
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$npf = self::addLinkBlock($child, $uri_id, $level, $npf);
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}
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break;
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case 'img':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addImageBlock($child, $uri_id, $level, $npf);
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break;
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case 'p':
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case 'ol':
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case 'div':
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$npf = self::addText($text, $formatting, $npf);
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$npf = self::addTextBlock($child, $uri_id, $level, $npf);
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case 'h1':
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case 'h2':
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case 'h3':
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case 'h4':
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case 'h5':
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case 'h6':
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case 'blockquote':
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case 'p':
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case 'pre':
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case 'code':
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case 'ul':
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case 'li':
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case 'details':
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self::routeChildren($child, $uri_id, true, $callstack, $npf, $text, $formatting);
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break;
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default:
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$text .= $child->textContent;
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print_r($npf);
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print_r($callstack);
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die($child . "\n");
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}
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}
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if ($parse_structure && $text) {
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self::addBlock($text, $formatting, $npf, $callstack);
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}
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}
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static private function getLevelByCallstack($callstack): int
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{
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$level = 0;
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foreach ($callstack as $entry) {
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if (in_array($entry, ['ol', 'ul', 'blockquote'])) {
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++$level;
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}
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}
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return max(0, $level - 1);
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}
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static private function getSubTypeByCallstack($callstack): string
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{
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$subtype = '';
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foreach ($callstack as $entry) {
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switch ($entry) {
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case 'ol':
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$subtype = 'ordered-list-item';
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break;
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case 'ul':
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$subtype = 'unordered-list-item';
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break;
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case 'h1':
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$subtype = 'heading1';
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break;
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case 'h2':
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$subtype = 'heading1';
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break;
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case 'h3':
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$subtype = 'heading1';
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break;
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case 'h4':
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$subtype = 'heading2';
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break;
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case 'h5':
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$subtype = 'heading2';
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break;
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case 'h6':
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$subtype = 'heading2';
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break;
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case 'blockquote':
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case 'pre':
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case 'code':
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$subtype = 'indented';
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break;
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}
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}
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return $npf;
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return $subtype;
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}
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static private function addText(string $text, array $formatting, array $npf): array
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static private function addFormatting(DOMElement $element, int $uri_id, string $type, array $callstack, array &$npf, string &$text, array &$formatting)
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{
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if (empty($text)) {
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return $npf;
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$start = mb_strlen($text);
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self::routeChildren($element, $uri_id, false, $callstack, $npf, $text, $formatting);
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if (!empty($type)) {
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$formatting[] = [
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'start' => $start,
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'end' => mb_strlen($text),
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'type' => $type
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];
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}
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}
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static private function addInlineLink(DOMElement $element, int $uri_id, array $callstack, array &$npf, string &$text, array &$formatting)
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{
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$start = mb_strlen($text);
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self::routeChildren($element, $uri_id, false, $callstack, $npf, $text, $formatting);
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$attributes = [];
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foreach ($element->attributes as $key => $attribute) {
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$attributes[$key] = trim($attribute->value);
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}
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if (!empty($attributes['href'])) {
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$formatting[] = [
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'start' => $start,
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'end' => mb_strlen($text),
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'type' => 'link',
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'url' => $attributes['href']
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];
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}
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}
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static private function addBlock(string &$text, array &$formatting, array &$npf, array $callstack)
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{
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$block = [
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'type' => 'text',
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'text' => $text,
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'callstack' => $callstack,
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'type' => 'text',
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'text' => $text,
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];
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if (!empty($formatting)) {
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$block['formatting'] = $formatting;
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}
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$npf[] = $block;
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$level = self::getLevelByCallstack($callstack);
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if ($level > 0) {
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$block['indent_level'] = $level;
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}
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return $npf;
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$subtype = self::getSubTypeByCallstack($callstack);
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if ($subtype) {
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$block['subtype'] = $subtype;
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}
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$npf[] = $block;
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$text = '';
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$formatting = [];
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}
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static private function routeElement(DOMElement $element, int $uri_id, int $level, array $npf): array
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static private function addPoster(array $media, array $block): array
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{
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switch ($element->nodeName) {
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case 'blockquote':
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$npf = self::addQuoteBlock($element, $uri_id, $level, $npf);
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break;
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$poster = [];
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if (!empty($media['preview'])) {
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$poster['url'] = $media['preview'];
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}
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if (!empty($media['preview-width'])) {
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$poster['width'] = $media['preview-width'];
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}
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if (!empty($media['preview-height'])) {
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$poster['height'] = $media['preview-height'];
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}
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if (!empty($poster)) {
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$block['poster'] = $poster;
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}
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return $block;
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}
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case 'h1':
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$npf = self::addTextBlock($element, $uri_id, $level, $npf, 'heading1');
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break;
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static private function addLinkBlockForUriId(int $uri_id, int $level, array $npf): array
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{
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foreach (Post\Media::getByURIId($uri_id, [Post\Media::HTML]) as $link) {
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$host = parse_url($link['url'], PHP_URL_HOST);
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if (in_array($host, ['www.youtube.com', 'youtu.be'])) {
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$block = [
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'type' => 'video',
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'provider' => 'youtube',
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'url' => $link['url'],
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];
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} elseif (in_array($host, ['vimeo.com'])) {
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$block = [
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'type' => 'video',
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'provider' => 'vimeo',
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'url' => $link['url'],
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];
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} elseif (in_array($host, ['open.spotify.com'])) {
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$block = [
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'type' => 'audio',
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'provider' => 'spotify',
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'url' => $link['url'],
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];
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} else {
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$block = [
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'type' => 'link',
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'url' => $link['url'],
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];
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if (!empty($link['name'])) {
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$block['title'] = $link['name'];
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}
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if (!empty($link['description'])) {
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$block['description'] = $link['description'];
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}
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if (!empty($link['author-name'])) {
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$block['author'] = $link['author-name'];
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}
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if (!empty($link['publisher-name'])) {
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$block['site_name'] = $link['publisher-name'];
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}
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}
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case 'h2':
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$npf = self::addTextBlock($element, $uri_id, $level, $npf, 'heading1');
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break;
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if ($level > 0) {
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$block['indent_level'] = $level;
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}
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case 'h3':
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$npf = self::addTextBlock($element, $uri_id, $level, $npf, 'heading1');
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break;
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case 'h4':
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$npf = self::addTextBlock($element, $uri_id, $level, $npf, 'heading2');
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break;
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case 'h5':
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$npf = self::addTextBlock($element, $uri_id, $level, $npf, 'heading2');
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break;
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case 'h6':
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$npf = self::addTextBlock($element, $uri_id, $level, $npf, 'heading2');
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break;
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case 'ul':
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$npf = self::addListBlock($element, $uri_id, $level, $npf, false, 0);
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break;
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case 'ol':
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$npf = self::addListBlock($element, $uri_id, $level, $npf, true, 0);
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break;
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case 'hr':
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case 'br':
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break;
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case 'pre':
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case 'code':
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$npf = self::addTextBlock($element, $uri_id, $level, $npf, 'indented');
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break;
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case 'a':
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$npf = self::addMediaBlock($element, $uri_id, $level, $npf);
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break;
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case 'table':
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// Unsupported
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// $element->ownerDocument->saveHTML($element)
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break;
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case 'img':
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$npf = self::addImageBlock($element, $uri_id, $level, $npf);
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break;
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default:
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$npf = self::addTextBlock($element, $uri_id, $level, $npf);
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break;
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$npf[] = self::addPoster($link, $block);
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}
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return $npf;
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}
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@ -278,7 +378,7 @@ class NPF
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{
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$attributes = [];
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foreach ($element->attributes as $key => $attribute) {
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$attributes[$key] = $attribute->value;
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$attributes[$key] = trim($attribute->value);
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}
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if (empty($attributes['src'])) {
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return $npf;
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@ -293,7 +393,7 @@ class NPF
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$block['alt_text'] = $attributes['alt'];
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}
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if (!empty($attributes['title']) && ($attributes['alt'] ?? '' != $attributes['title'])) {
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if (!empty($attributes['title']) && (($attributes['alt'] ?? '') != $attributes['title'])) {
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$block['caption'] = $attributes['title'];
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}
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@ -334,11 +434,11 @@ class NPF
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return $npf;
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}
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static private function addMediaBlock(DOMElement $element, int $uri_id, int $level, array $npf): array
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static private function addLinkBlock(DOMElement $element, int $uri_id, int $level, array $npf): array
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{
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$attributes = [];
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foreach ($element->attributes as $key => $attribute) {
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$attributes[$key] = $attribute->value;
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$attributes[$key] = trim($attribute->value);
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}
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if (empty($attributes['href'])) {
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return $npf;
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@ -398,192 +498,4 @@ class NPF
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return $npf;
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}
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static private function addPoster(array $media, array $block): array
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{
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$poster = [];
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if (!empty($media['preview'])) {
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$poster['url'] = $media['preview'];
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}
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if (!empty($media['preview-width'])) {
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$poster['width'] = $media['preview-width'];
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}
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if (!empty($media['preview-height'])) {
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$poster['height'] = $media['preview-height'];
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}
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if (!empty($poster)) {
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$block['poster'] = $poster;
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}
|
||||
return $block;
|
||||
}
|
||||
|
||||
static private function getTypeForNodeName(string $nodename): string
|
||||
{
|
||||
switch ($nodename) {
|
||||
case 'b':
|
||||
case 'strong':
|
||||
return 'bold';
|
||||
|
||||
case 'i':
|
||||
case 'em':
|
||||
return 'italic';
|
||||
|
||||
case 's':
|
||||
return 'strikethrough';
|
||||
}
|
||||
return '';
|
||||
}
|
||||
|
||||
static private function fetchText(DOMElement $element, array $text = ['text' => '', 'formatting' => []]): array
|
||||
{
|
||||
foreach ($element->childNodes as $child) {
|
||||
$start = strlen($text['text']);
|
||||
|
||||
$type = self::getTypeForNodeName($child->nodeName);
|
||||
|
||||
if ($child->nodeName == 'br') {
|
||||
$text['text'] .= "\n";
|
||||
} elseif (($type != '') || in_array($child->nodeName, ['#text', 'code', 'a', 'p', 'span', 'u', 'img', 'summary', 'ul', 'blockquote', 'h3', 'ol'])) {
|
||||
$text['text'] .= $child->textContent;
|
||||
} else {
|
||||
echo $element->ownerDocument->saveHTML($element) . "\n";
|
||||
die($child->nodeName . "\n");
|
||||
}
|
||||
if (!empty($type)) {
|
||||
$text['formatting'][] = ['start' => $start, 'end' => strlen($text['text']), 'type' => $type];
|
||||
}
|
||||
}
|
||||
return $text;
|
||||
}
|
||||
|
||||
static private function addQuoteBlock(DOMElement $element, int $uri_id, int $level, array $npf): array
|
||||
{
|
||||
$block = ['type' => 'text', 'subtype' => 'indented'];
|
||||
|
||||
if ($level > 0) {
|
||||
$block['indent_level'] = $level;
|
||||
}
|
||||
|
||||
$npf[] = $block;
|
||||
|
||||
$npf = self::routeChildren($element, $uri_id, 0, $npf);
|
||||
|
||||
return $npf;
|
||||
}
|
||||
|
||||
static private function addTextBlock(DOMElement $element, int $uri_id, int $level, array $npf, string $subtype = ''): array
|
||||
{
|
||||
if (empty($subtype) && ($element->textContent == $element->firstChild->textContent) && ($element->firstChild->nodeName != '#text')) {
|
||||
return self::routeElement($element->firstChild, $uri_id, $level, $npf);
|
||||
}
|
||||
|
||||
$block = ['type' => 'text'];
|
||||
|
||||
if (!empty($subtype)) {
|
||||
$block['subtype'] = $subtype;
|
||||
}
|
||||
|
||||
$text = self::fetchText($element);
|
||||
|
||||
$block['text'] = $text['text'];
|
||||
$block['formatting'] = $text['formatting'];
|
||||
|
||||
if (empty($subtype)) {
|
||||
$type = self::getTypeForNodeName($element->nodeName);
|
||||
if (!empty($type)) {
|
||||
$block['formatting'][] = ['start' => 0, 'end' => strlen($block['text']), 'type' => $type];
|
||||
}
|
||||
}
|
||||
|
||||
if (empty($block['formatting'])) {
|
||||
unset($block['formatting']);
|
||||
}
|
||||
|
||||
if ($level > 0) {
|
||||
$block['indent_level'] = $level;
|
||||
}
|
||||
|
||||
$npf[] = $block;
|
||||
|
||||
return $npf;
|
||||
}
|
||||
|
||||
static private function addListBlock(DOMElement $element, int $uri_id, int $level, array $npf, bool $ordered): array
|
||||
{
|
||||
foreach ($element->childNodes as $child) {
|
||||
switch ($child->nodeName) {
|
||||
case 'ul':
|
||||
$npf = self::addListBlock($child, $uri_id, $level++, $npf, false);
|
||||
case 'ol':
|
||||
$npf = self::addListBlock($child, $uri_id, $level++, $npf, true);
|
||||
case 'li':
|
||||
$text = self::fetchText($child);
|
||||
|
||||
$block = [
|
||||
'type' => 'text',
|
||||
'subtype' => $ordered ? 'ordered-list-item' : 'unordered-list-item',
|
||||
'text' => $text['text']
|
||||
];
|
||||
if ($level > 0) {
|
||||
$block['indent_level'] = $level;
|
||||
}
|
||||
if (!empty($text['formatting'])) {
|
||||
$block['formatting'] = $text['formatting'];
|
||||
}
|
||||
$npf[] = $block;
|
||||
}
|
||||
}
|
||||
|
||||
return $npf;
|
||||
}
|
||||
|
||||
static private function addLinkBlock(int $uri_id, int $level, array $npf): array
|
||||
{
|
||||
foreach (Post\Media::getByURIId($uri_id, [Post\Media::HTML]) as $link) {
|
||||
$host = parse_url($link['url'], PHP_URL_HOST);
|
||||
if (in_array($host, ['www.youtube.com', 'youtu.be'])) {
|
||||
$block = [
|
||||
'type' => 'video',
|
||||
'provider' => 'youtube',
|
||||
'url' => $link['url'],
|
||||
];
|
||||
} elseif (in_array($host, ['vimeo.com'])) {
|
||||
$block = [
|
||||
'type' => 'video',
|
||||
'provider' => 'vimeo',
|
||||
'url' => $link['url'],
|
||||
];
|
||||
} elseif (in_array($host, ['open.spotify.com'])) {
|
||||
$block = [
|
||||
'type' => 'audio',
|
||||
'provider' => 'spotify',
|
||||
'url' => $link['url'],
|
||||
];
|
||||
} else {
|
||||
$block = [
|
||||
'type' => 'link',
|
||||
'url' => $link['url'],
|
||||
];
|
||||
if (!empty($link['name'])) {
|
||||
$block['title'] = $link['name'];
|
||||
}
|
||||
if (!empty($link['description'])) {
|
||||
$block['description'] = $link['description'];
|
||||
}
|
||||
if (!empty($link['author-name'])) {
|
||||
$block['author'] = $link['author-name'];
|
||||
}
|
||||
if (!empty($link['publisher-name'])) {
|
||||
$block['site_name'] = $link['publisher-name'];
|
||||
}
|
||||
}
|
||||
|
||||
if ($level > 0) {
|
||||
$block['indent_level'] = $level;
|
||||
}
|
||||
|
||||
$npf[] = self::addPoster($link, $block);
|
||||
}
|
||||
return $npf;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue