wiki.techinc.nl/includes/parser/Preprocessor.php
Victor Vasiliev 1671616088 Add getArguments, getNamedArguments and getNumberedArguments methods to PPFrame
interface, so extensions can access them.
2009-07-02 16:21:30 +00:00

178 lines
4.2 KiB
PHP

<?php
/**
* @ingroup Parser
*/
interface Preprocessor {
/** Create a new preprocessor object based on an initialised Parser object */
function __construct( $parser );
/** Create a new top-level frame for expansion of a page */
function newFrame();
/** Create a new custom frame for programmatic use of parameter replacement as used in some extensions */
function newCustomFrame( $args );
/** Preprocess text to a PPNode */
function preprocessToObj( $text, $flags = 0 );
}
/**
* @ingroup Parser
*/
interface PPFrame {
const NO_ARGS = 1;
const NO_TEMPLATES = 2;
const STRIP_COMMENTS = 4;
const NO_IGNORE = 8;
const RECOVER_COMMENTS = 16;
const RECOVER_ORIG = 27; // = 1|2|8|16 no constant expression support in PHP yet
/**
* Create a child frame
*/
function newChild( $args = false, $title = false );
/**
* Expand a document tree node
*/
function expand( $root, $flags = 0 );
/**
* Implode with flags for expand()
*/
function implodeWithFlags( $sep, $flags /*, ... */ );
/**
* Implode with no flags specified
*/
function implode( $sep /*, ... */ );
/**
* Makes an object that, when expand()ed, will be the same as one obtained
* with implode()
*/
function virtualImplode( $sep /*, ... */ );
/**
* Virtual implode with brackets
*/
function virtualBracketedImplode( $start, $sep, $end /*, ... */ );
/**
* Returns true if there are no arguments in this frame
*/
function isEmpty();
/**
* Returns all arguments of this frame
*/
function getArguments();
/**
* Returns all numbered arguments of this frame
*/
function getNumberedArguments();
/**
* Returns all named arguments of this frame
*/
function getNamedArguments();
/**
* Get an argument to this frame by name
*/
function getArgument( $name );
/**
* Returns true if the infinite loop check is OK, false if a loop is detected
*/
function loopCheck( $title );
/**
* Return true if the frame is a template frame
*/
function isTemplate();
}
/**
* There are three types of nodes:
* * Tree nodes, which have a name and contain other nodes as children
* * Array nodes, which also contain other nodes but aren't considered part of a tree
* * Leaf nodes, which contain the actual data
*
* This interface provides access to the tree structure and to the contents of array nodes,
* but it does not provide access to the internal structure of leaf nodes. Access to leaf
* data is provided via two means:
* * PPFrame::expand(), which provides expanded text
* * The PPNode::split*() functions, which provide metadata about certain types of tree node
* @ingroup Parser
*/
interface PPNode {
/**
* Get an array-type node containing the children of this node.
* Returns false if this is not a tree node.
*/
function getChildren();
/**
* Get the first child of a tree node. False if there isn't one.
*/
function getFirstChild();
/**
* Get the next sibling of any node. False if there isn't one
*/
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.
*/
function getChildrenOfType( $type );
/**
* Returns the length of the array, or false if this is not an array-type node
*/
function getLength();
/**
* Returns an item of an array-type node
*/
function item( $i );
/**
* Get the name of this node. The following names are defined here:
*
* h A heading node.
* template A double-brace node.
* tplarg A triple-brace node.
* title The first argument to a template or tplarg node.
* part Subsequent arguments to a template or tplarg node.
* #nodelist An array-type node
*
* The subclass may define various other names for tree and leaf nodes.
*/
function getName();
/**
* Split a <part> node into an associative array containing:
* name PPNode name
* index String index
* value PPNode value
*/
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.
*/
function splitExt();
/**
* Split an <h> node
*/
function splitHeading();
}