forked from GNUsocial/gnu-social
49 lines
1.2 KiB
PHP
49 lines
1.2 KiB
PHP
<?php
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namespace PhpParser;
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interface NodeTraverserInterface
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{
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/**
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* If NodeVisitor::enterNode() returns DONT_TRAVERSE_CHILDREN, child nodes
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* of the current node will not be traversed for any visitors.
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*
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* For subsequent visitors enterNode() will still be called on the current
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* node and leaveNode() will also be invoked for the current node.
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*/
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const DONT_TRAVERSE_CHILDREN = 1;
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/**
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* If NodeVisitor::leaveNode() returns REMOVE_NODE for a node that occurs
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* in an array, it will be removed from the array.
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*
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* For subsequent visitors leaveNode() will still be invoked for the
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* removed node.
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*/
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const REMOVE_NODE = false;
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/**
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* Adds a visitor.
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*
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* @param NodeVisitor $visitor Visitor to add
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*/
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function addVisitor(NodeVisitor $visitor);
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/**
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* Removes an added visitor.
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*
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* @param NodeVisitor $visitor
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*/
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function removeVisitor(NodeVisitor $visitor);
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/**
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* Traverses an array of nodes using the registered visitors.
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*
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* @param Node[] $nodes Array of nodes
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*
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* @return Node[] Traversed array of nodes
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*/
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function traverse(array $nodes);
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}
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