From 086ae52d12011746a75f5588e877347bc0457352 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Fri, 21 Mar 2008 11:49:34 +0100
Subject: Update auf MediaWiki 1.12.0

---
 includes/Preprocessor.php | 154 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 includes/Preprocessor.php

(limited to 'includes/Preprocessor.php')

diff --git a/includes/Preprocessor.php b/includes/Preprocessor.php
new file mode 100644
index 00000000..34bc1e5b
--- /dev/null
+++ b/includes/Preprocessor.php
@@ -0,0 +1,154 @@
+<?php
+
+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();
+
+	/** Preprocess text to a PPNode */
+	function preprocessToObj( $text, $flags = 0 );
+}
+
+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();
+
+	/**
+	 * 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
+ */
+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();
+}
+
-- 
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