/**
* Collects all children from a given node.
*
* @param PHP_Depend_Code_ASTNode $node The current root node.
*
* @return array
*/
protected static function collectGraph(PHP_Depend_Code_ASTNode $node)
{
$graph = array();
foreach ($node->getChildren() as $child) {
$graph[] = get_class($child) . ' (' . $child->getImage() . ')';
if (0 < count($child->getChildren())) {
$graph[] = self::collectGraph($child);
}
}
return $graph;
}
/**
* Collects all children from a given node.
*
* @param PHP_Depend_Code_ASTNode $node The current root node.
* @param array $actual Previous filled list.
*
* @return array(string)
*/
protected function collectChildNodes(PHP_Depend_Code_ASTNode $node, array $actual = array())
{
foreach ($node->getChildren() as $child) {
$actual[] = get_class($child);
$actual = $this->collectChildNodes($child, $actual);
}
return $actual;
}
/**
* Calculates the expression sum of the given node.
*
* @param PHP_Depend_Code_ASTNode $node The currently visited node.
*
* @return string
* @since 0.9.12
* @todo I don't like this method implementation, it should be possible to
* implement this method with more visitor behavior for the boolean
* and logical expressions.
*/
public function sumComplexity($node)
{
$sum = '0';
if ($node instanceof PHP_Depend_Code_ASTConditionalExpression) {
$sum = PHP_Depend_Util_MathUtil::add($sum, $node->accept($this, 1));
} else {
if ($node instanceof PHP_Depend_Code_ASTBooleanAndExpression || $node instanceof PHP_Depend_Code_ASTBooleanOrExpression || $node instanceof PHP_Depend_Code_ASTLogicalAndExpression || $node instanceof PHP_Depend_Code_ASTLogicalOrExpression || $node instanceof PHP_Depend_Code_ASTLogicalXorExpression) {
$sum = PHP_Depend_Util_MathUtil::add($sum, '1');
} else {
foreach ($node->getChildren() as $child) {
$expr = $this->sumComplexity($child);
$sum = PHP_Depend_Util_MathUtil::add($sum, $expr);
}
}
}
return $sum;
}
