/**
* Every import defined in parent (extended node).
*
* @return ImporterInterface[]
*/
public function parentImports()
{
$supervisor = $this->parent->supervisor();
if (!$supervisor instanceof Supervisor) {
return [];
}
return $supervisor->getImporters();
}
/**
* Replace node content with content provided by external node, external node can still use
* content of parent block by defining block named identical to it's parent.
*
* @param Node $node
*/
private function replaceNode(Node $node)
{
//Looking for parent block call
if (!empty($inner = $node->findNode($this->name))) {
//This construction allows child block use parent content
$inner->nodes = $this->nodes;
}
$this->nodes = $node->nodes;
}
/**
* Create node to be injected into template at place of tag caused import.
*
* @return Node
*/
public function createNode()
{
//Content of node to be imported
$node = $this->supervisor->createNode($this->path, $this->token);
//Let's register user defined blocks (context and attributes) as placeholders
$node->mountBlock(self::CONTEXT_BLOCK, [], [$this->createPlaceholder(self::CONTEXT_BLOCK, $contextID)], true);
foreach ($this->token[HtmlTokenizer::TOKEN_ATTRIBUTES] as $attribute => $value) {
//Attributes counted as blocks to replace elements in included node
$node->mountBlock($attribute, [], [$value], true);
}
//We now have to compile node content to pass it's body to parent node
$content = $node->compile($dynamic);
//Outer blocks (usually user attributes) can be exported to template using non default
//rendering technique, for example every "extra" attribute can be passed to specific
//template location. Stempler to decide.
foreach ($this->supervisor->syntax()->blockExporters() as $exporter) {
$content = $exporter->mountBlocks($content, $dynamic);
}
//Let's parse complied content without any imports (to prevent collision)
$supervisor = clone $this->supervisor;
$supervisor->flushImporters();
//Outer content must be protected using unique names
$rebuilt = new Node($supervisor, $supervisor->uniquePlaceholder(), $content);
if (!empty($contextBlock = $rebuilt->findNode($contextID))) {
//Now we can mount our content block
$contextBlock->mountNode($this->contextNode());
}
return $rebuilt;
}
