/**
* Expand a document tree node, caching the result on its parent with the given key
+ * @param string|int $key
+ * @param string|PPNode $root
+ * @param int $flags
+ * @return string
*/
public function cachedExpand( $key, $root, $flags = 0 );
/**
* Expand a document tree node
+ * @param string|PPNode $root
+ * @param int $flags
+ * @return string
*/
public function expand( $root, $flags = 0 );
/**
* Implode with flags for expand()
+ * @param string $sep
+ * @param int $flags
+ * @param string|PPNode $args,...
+ * @return string
*/
public function implodeWithFlags( $sep, $flags /*, ... */ );
/**
* Implode with no flags specified
+ * @param string $sep
+ * @param string|PPNode $args,...
+ * @return string
*/
public function implode( $sep /*, ... */ );
/**
* Makes an object that, when expand()ed, will be the same as one obtained
* with implode()
+ * @param string $sep
+ * @param string|PPNode $args,...
+ * @return PPNode
*/
public function virtualImplode( $sep /*, ... */ );
/**
* Virtual implode with brackets
+ * @param string $start
+ * @param string $sep
+ * @param string $end
+ * @param string|PPNode $args,...
+ * @return PPNode
*/
public function virtualBracketedImplode( $start, $sep, $end /*, ... */ );
/**
* Returns all arguments of this frame
+ * @return array
*/
public function getArguments();
/**
* Returns all numbered arguments of this frame
+ * @return array
*/
public function getNumberedArguments();
/**
* Returns all named arguments of this frame
+ * @return array
*/
public function getNamedArguments();
/**
* Get an argument to this frame by name
+ * @param string $name
+ * @return bool
*/
public function getArgument( $name );
/**
* Return true if the frame is a template frame
+ * @return bool
*/
public function isTemplate();
/**
* Get an array-type node containing the children of this node.
* Returns false if this is not a tree node.
+ * @return PPNode
*/
public function getChildren();
/**
* Get the next sibling of any node. False if there isn't one
+ * @return PPNode
*/
public function getNextSibling();
/**
* Get all children of this tree node which have a given name.
* Returns an array-type node, or false if this is not a tree node.
+ * @param string $type
+ * @return bool|PPNode
*/
public function getChildrenOfType( $type );
/**
* Returns an item of an array-type node
+ * @param int $i
+ * @return bool|PPNode
*/
public function item( $i );
* #nodelist An array-type node
*
* The subclass may define various other names for tree and leaf nodes.
+ * @return string
*/
public function getName();
* name PPNode name
* index String index
* value PPNode value
+ * @return array
*/
public function splitArg();
/**
* Split an "<ext>" node into an associative array containing name, attr, inner and close
* All values in the resulting array are PPNodes. Inner and close are optional.
+ * @return array
*/
public function splitExt();
/**
* Split an "<h>" node
+ * @return array
*/
public function splitHeading();
}