public function splitUntil(TagNode $parent, Node $split, $includeLeft)
{
$splitOccured = false;
if ($parent !== $this) {
$part1 = new TagNode(null, $this->qName, $this->attributes);
$part2 = new TagNode(null, $this->qName, $this->attributes);
$part1->setParent($this->parent);
$part2->setParent($this->parent);
$onSplit = false;
$pastSplit = false;
foreach ($this->children as &$child) {
if ($child === $split) {
$onSplit = true;
}
if (!$pastSplit || $onSplit && $includeLeft) {
$child->setParent($part1);
$part1->children[] = $child;
} else {
$child->setParent($part2);
$part2->children[] = $child;
}
if ($onSplit) {
$onSplit = false;
$pastSplit = true;
}
}
$myindexinparent = $this->parent->getIndexOf($this);
if (!empty($part2->children)) {
$this->parent->addChildAbsolute($part2, $myindexinparent + 1);
}
if (!empty($part1->children)) {
$this->parent->addChildAbsolute($part1, $myindexinparent + 1);
}
if (!empty($part1->children) && !empty($part2->children)) {
$splitOccured = true;
}
$this->parent->removeChild($myindexinparent);
if ($includeLeft) {
$this->parent->splitUntil($parent, $part1, $includeLeft);
} else {
$this->parent->splitUntil($parent, $part2, $includeLeft);
}
}
return $splitOccured;
}
public function splitUntil(TagNode $parent, Node $split, $includeLeft)
{
$splitOccured = false;
if ($parent !== $this) {
$part1 = new TagNode(null, $this->qName, $this->attributes);
$part2 = new TagNode(null, $this->qName, $this->attributes);
$part1->setParent($this->parent);
$part2->setParent($this->parent);
$onSplit = false;
$pastSplit = false;
foreach ($this->children as &$child) {
if ($child === $split) {
$onSplit = true;
}
if (!$pastSplit || $onSplit && $includeLeft) {
$child->setParent($part1);
$part1->children[] = $child;
} else {
$child->setParent($part2);
$part2->children[] = $child;
}
if ($onSplit) {
$onSplit = false;
$pastSplit = true;
}
}
// Replace the existing child with $part1 (left) and $part2 (right).
// Insertions shift existing content right, so insert part2 before
// inserting part1.
$myindexinparent = $this->parent->getIndexOf($this);
$this->parent->removeChild($myindexinparent);
if (!empty($part2->children)) {
$this->parent->addChildAbsolute($part2, $myindexinparent);
}
if (!empty($part1->children)) {
$this->parent->addChildAbsolute($part1, $myindexinparent);
}
if (!empty($part1->children) && !empty($part2->children)) {
$splitOccured = true;
}
if ($includeLeft) {
$this->parent->splitUntil($parent, $part1, $includeLeft);
} else {
$this->parent->splitUntil($parent, $part2, $includeLeft);
}
}
return $splitOccured;
}
