function Traverser::execFunctions

Executes all functions on the given node and, if required, starts traversing its children. The returned value is an array where the first value is the node or null if it has been removed and the second value is a boolean indicating if the traverser must continue the traversing or not

Parameters

Syntax\Node\Node $node Node:

Syntax\Node\Node|null $parent Parent node:

Return value

array

2 calls to Traverser::execFunctions()

Traverser::traverse in vendor/mck89/peast/lib/Peast/Traverser.php

Starts the traversing

Traverser::traverseChildren in vendor/mck89/peast/lib/Peast/Traverser.php

Traverses node children. It returns a boolean indicating if the traversing must continue or not

File

vendor/mck89/peast/lib/Peast/Traverser.php, line 129

Class

Traverser

Nodes traverser class

Namespace

Peast

Code

protected function execFunctions($node, $parent = null) {
    $traverseChildren = true;
    $continueTraversing = true;
    foreach ($this->functions as $fn) {
        $ret = $this->passParentNode ? $fn($node, $parent) : $fn($node);
        if ($ret) {
            if (is_array($ret) && $ret[0] instanceof Syntax\Node\Node) {
                $node = $ret[0];
                if (isset($ret[1]) && is_numeric($ret[1])) {
                    if ($ret[1] & self::DONT_TRAVERSE_CHILD_NODES) {
                        $traverseChildren = false;
                    }
                    if ($ret[1] & self::STOP_TRAVERSING) {
                        $continueTraversing = false;
                    }
                }
            }
            elseif ($ret instanceof Syntax\Node\Node) {
                $node = $ret;
            }
            elseif (is_numeric($ret)) {
                if ($ret & self::DONT_TRAVERSE_CHILD_NODES) {
                    $traverseChildren = false;
                }
                if ($ret & self::STOP_TRAVERSING) {
                    $continueTraversing = false;
                }
                if ($ret & self::REMOVE_NODE) {
                    $node = null;
                    $traverseChildren = false;
                    break;
                }
            }
        }
    }
    if ($traverseChildren && $continueTraversing) {
        $continueTraversing = $this->traverseChildren($node);
    }
    return array(
        $node,
        $continueTraversing,
    );
}