protected function extractChildElements(\DOMNode $elem, $skipWhitespace = false, $parentIsBlock = false)
{
/** @var \DOMNode $child */
$first = true;
foreach ($elem->childNodes as $child) {
if ($skipWhitespace && $child->nodeName === '#text' && ctype_space($child->nodeValue)) {
// do nothing
} elseif ($child->nodeName === '#text') {
$this->elements[] = new ElementEvent(ElementEvents::TEXT, $this->normalizeSpace($child->nodeValue, $parentIsBlock && $first), $this->attributes->values());
} else {
switch ($child->nodeName) {
case 'p':
$this->elements[] = new ElementEvent(ElementEvents::PARAGRAPH_START);
$this->extractChildElements($child, false, true);
$this->elements[] = new ElementEvent(ElementEvents::PARAGRAPH_END);
break;
case 'ul':
$this->attributes->setMany(['list_depth' => $this->attributes->get('list_depth', 0) + 1, 'list_numbered' => false]);
$this->elements[] = new ElementEvent(ElementEvents::LIST_START, '', [ElementAttributes::NUMBERED => false]);
$this->extractChildElements($child, true);
$this->elements[] = new ElementEvent(ElementEvents::LIST_END, '', [ElementAttributes::NUMBERED => false]);
$this->attributes->undo();
break;
case 'ol':
$this->attributes->setMany(['list_depth' => $this->attributes->get('list_depth', 0) + 1, 'list_numbered' => true]);
$this->elements[] = new ElementEvent(ElementEvents::LIST_START, '', [ElementAttributes::NUMBERED => true]);
$this->extractChildElements($child, true);
$this->elements[] = new ElementEvent(ElementEvents::LIST_END, '', [ElementAttributes::NUMBERED => true]);
$this->attributes->undo();
break;
case 'li':
$this->elements[] = new ElementEvent(ElementEvents::LIST_ITEM_START, '', [ElementAttributes::DEPTH => $this->attributes['list_depth'] - 1, ElementAttributes::NUMBERED => $this->attributes['list_numbered']]);
$this->extractChildElements($child, false, true);
$this->elements[] = new ElementEvent(ElementEvents::LIST_ITEM_END, '', [ElementAttributes::DEPTH => $this->attributes['list_depth'] - 1, ElementAttributes::NUMBERED => $this->attributes['list_numbered']]);
break;
case 'table':
$this->elements[] = new ElementEvent(ElementEvents::TABLE_START);
$this->extractChildElements($child, true);
$this->elements[] = new ElementEvent(ElementEvents::TABLE_END);
break;
case 'tr':
$this->elements[] = new ElementEvent(ElementEvents::TABLE_ROW_START);
$this->extractChildElements($child, true);
$this->elements[] = new ElementEvent(ElementEvents::TABLE_ROW_END);
break;
case 'th':
case 'td':
$this->elements[] = new ElementEvent(ElementEvents::TABLE_CELL_START, '', [ElementAttributes::HEADER => $child->nodeName === 'th']);
$this->extractChildElements($child);
$this->elements[] = new ElementEvent(ElementEvents::TABLE_CELL_END, '', [ElementAttributes::HEADER => $child->nodeName === 'th']);
break;
case 'tbody':
case 'thead':
$this->extractChildElements($child, true);
break;
case 'h1':
$this->elements[] = new ElementEvent(ElementEvents::TITLE, $this->normalizeSpace($child->nodeValue), [ElementAttributes::DEPTH => 0]);
break;
case 'h2':
$this->elements[] = new ElementEvent(ElementEvents::TITLE, $this->normalizeSpace($child->nodeValue), [ElementAttributes::DEPTH => 1]);
break;
case 'h3':
$this->elements[] = new ElementEvent(ElementEvents::TITLE, $this->normalizeSpace($child->nodeValue), [ElementAttributes::DEPTH => 2]);
break;
case 'h4':
$this->elements[] = new ElementEvent(ElementEvents::TITLE, $this->normalizeSpace($child->nodeValue), [ElementAttributes::DEPTH => 3]);
break;
case 'h5':
$this->elements[] = new ElementEvent(ElementEvents::TITLE, $this->normalizeSpace($child->nodeValue), [ElementAttributes::DEPTH => 4]);
break;
case 'h6':
$this->elements[] = new ElementEvent(ElementEvents::TITLE, $this->normalizeSpace($child->nodeValue), [ElementAttributes::DEPTH => 5]);
break;
case 'div':
$this->extractChildElements($child, true);
break;
case 'span':
$this->extractChildElements($child);
break;
case 'strong':
case 'b':
$this->attributes[ElementAttributes::BOLD] = true;
$this->extractChildElements($child);
$this->attributes->undo();
break;
case 'em':
case 'i':
$this->attributes[ElementAttributes::ITALIC] = true;
$this->extractChildElements($child);
$this->attributes->undo();
break;
case 'u':
$this->attributes[ElementAttributes::UNDERLINE] = 'single';
$this->extractChildElements($child);
$this->attributes->undo();
break;
case 'del':
$this->attributes[ElementAttributes::STRIKETHROUGH] = true;
$this->extractChildElements($child);
$this->attributes->undo();
break;
case 'sup':
$this->attributes[ElementAttributes::SUPERSCRIPT] = true;
$this->extractChildElements($child);
$this->attributes->undo();
break;
case 'sub':
$this->attributes[ElementAttributes::SUBSCRIPT] = true;
$this->extractChildElements($child);
$this->attributes->undo();
break;
case 'a':
$href = $child->attributes->getNamedItem('href')->nodeValue;
$this->attributes[ElementAttributes::LINK] = $href;
$this->elements[] = new ElementEvent(ElementEvents::LINK, $this->normalizeSpace($child->nodeValue), $this->attributes->values());
$this->attributes->undo();
break;
case 'img':
$this->elements[] = new ElementEvent(ElementEvents::IMAGE, $child->attributes->getNamedItem('src')->nodeValue);
break;
default:
throw new \RuntimeException("Element of type {$child->nodeName} not supported");
break;
}
}
$first = false;
}
}
public function onElement(ElementEvent $event)
{
if (null === $this->section) {
throw new \RuntimeException("No document section provided");
}
/** @var AbstractContainer $current */
$current = $this->context->get('current', $this->section);
if ($current === $this->section) {
$this->dispatcher->dispatch(DocumentEvents::BEFORE_ROOT_ELEMENT, new DocumentConstructionEvent($this->section));
}
switch ($event->getElement()) {
case ElementEvents::TITLE:
/** @var Section $current */
$title = $current->addTitle($event->getContent());
$this->dispatcher->dispatch(DocumentEvents::TITLE_CREATED, new DocumentEvent($this->section, $title, $event));
break;
case ElementEvents::PARAGRAPH_START:
$this->context->setMany(['current' => $current->addTextRun(), 'event' => $event]);
break;
case ElementEvents::TABLE_START:
$this->context->setMany(['current' => $current->addTable(['width' => 5000, 'unit' => 'pct']), 'event' => $event]);
break;
case ElementEvents::TABLE_ROW_START:
/** @var Table $current */
$this->context->setMany(['current' => $current->addRow(), 'event' => $event]);
break;
case ElementEvents::TABLE_CELL_START:
/** @var Row $current */
$this->context->setMany(['current' => $current->addCell(5000), 'event' => $event]);
break;
case ElementEvents::LIST_END:
// close the last item in the list
if ($current instanceof ListItemRun) {
$this->dispatcher->dispatch(DocumentEvents::LIST_ITEM_CREATED, new DocumentEvent($this->section, $current, $this->context['event']));
$this->context->undo();
}
break;
case ElementEvents::LIST_ITEM_END:
case ElementEvents::LIST_START:
break;
case ElementEvents::LIST_ITEM_START:
// close the previous list item
if ($current instanceof ListItemRun) {
$this->dispatcher->dispatch(DocumentEvents::LIST_ITEM_CREATED, new DocumentEvent($this->section, $current, $this->context['event']));
$this->context->undo();
$current = $this->context->get('current', $this->section);
}
$is_numbered = $event->getAttribute(ElementAttributes::NUMBERED, false);
$this->context->setMany(['current' => $current->addListItemRun($event->getAttribute(ElementAttributes::DEPTH), ['listType' => $is_numbered ? ListItem::TYPE_NUMBER : ListItem::TYPE_BULLET_FILLED]), 'event' => $event]);
break;
case ElementEvents::TEXT:
$current->addText($event->getContent(), $event->getAttributes());
break;
case ElementEvents::IMAGE:
$image = $current->addImage($event->getContent());
$this->dispatcher->dispatch(DocumentEvents::IMAGE_CREATED, new DocumentEvent($this->section, $image, $event));
break;
case ElementEvents::LINK:
$link = $current->addLink($event->getAttribute(ElementAttributes::LINK), $event->getContent());
$this->dispatcher->dispatch(DocumentEvents::LINK_CREATED, new DocumentEvent($this->section, $link, $event));
break;
case ElementEvents::TABLE_END:
$this->dispatcher->dispatch(DocumentEvents::TABLE_CREATED, new DocumentEvent($this->section, $current, $this->context['event']));
$this->context->undo();
break;
case ElementEvents::PARAGRAPH_END:
$this->dispatcher->dispatch(DocumentEvents::PARAGRAPH_CREATED, new DocumentEvent($this->section, $current, $this->context['event']));
$this->context->undo();
break;
case ElementEvents::TABLE_ROW_END:
$this->dispatcher->dispatch(DocumentEvents::TABLE_ROW_CREATED, new DocumentEvent($this->section, $current, $this->context['event']));
$this->context->undo();
break;
case ElementEvents::TABLE_CELL_END:
$this->dispatcher->dispatch(DocumentEvents::TABLE_CELL_CREATED, new DocumentEvent($this->section, $current, $this->context['event']));
$this->context->undo();
break;
default:
throw new \RuntimeException("Cannot handle element of type '{$event->getElement()}'");
}
$current = $this->context->get('current', $this->section);
if ($current === $this->section) {
$this->dispatcher->dispatch(DocumentEvents::AFTER_ROOT_ELEMENT, new DocumentConstructionEvent($this->section));
}
}