/**
* Convert Children
*
* Recursive function to drill into the DOM and convert each node into BBCode from the inside out.
*
* Finds children of each node and convert those to #text nodes containing their BBCode equivalent,
* starting with the innermost element and working up to the outermost element.
*
* @param ElementInterface $element
*/
private function convertChildren(ElementInterface $element)
{
// Don't convert HTML code inside <code> and <pre> blocks to BBCode - that should stay as HTML
if ($element->isDescendantOf(array('pre', 'code'))) {
return;
}
// If the node has children, convert those to BBCode first
if ($element->hasChildren()) {
foreach ($element->getChildren() as $child) {
$this->convertChildren($child);
}
}
// Now that child nodes have been converted, convert the original node
$bbcode = $this->convertToBBCode($element);
// Create a DOM text node containing the BBCode equivalent of the original node
// Replace the old $node e.g. '<h3>Title</h3>' with the new $bbcode_node e.g. '### Title'
$element->setFinalBBCode($bbcode);
}
/**
* Convert Children
*
* Recursive function to drill into the DOM and convert each node into Markdown from the inside out.
*
* Finds children of each node and convert those to #text nodes containing their Markdown equivalent,
* starting with the innermost element and working up to the outermost element.
*
* @param ElementInterface $element
*/
private function convertChildren(ElementInterface $element)
{
// Don't convert HTML code inside <code> and <pre> blocks to Markdown - that should stay as HTML
// except if the current node is a code tag, which needs to be converted by the CodeConverter.
if ($element->isDescendantOf(array('pre', 'code')) && $element->getTagName() !== 'code') {
return;
}
// If the node has children, convert those to Markdown first
if ($element->hasChildren()) {
foreach ($element->getChildren() as $child) {
$this->convertChildren($child);
}
}
// Now that child nodes have been converted, convert the original node
$markdown = $this->convertToMarkdown($element);
// Create a DOM text node containing the Markdown equivalent of the original node
// Replace the old $node e.g. '<h3>Title</h3>' with the new $markdown_node e.g. '### Title'
$element->setFinalMarkdown($markdown);
}