/**
* Tests if the given variable node os part of an index expression.
*
* @param \PHPMD\Node\ASTNode $node
* @return boolean
*/
protected function isWrappedByIndexExpression(ASTNode $node)
{
return $node->getParent()->isInstanceOf('ArrayIndexExpression') || $node->getParent()->isInstanceOf('StringIndexExpression');
}
/**
* This method checks that the given property postfix is accessed on an
* instance or static reference to the given class.
*
* @param \PHPMD\Node\ClassNode $class
* @param \PHPMD\Node\ASTNode $postfix
* @return boolean
*/
protected function isInScopeOfClass(ClassNode $class, ASTNode $postfix)
{
$owner = $postfix->getParent()->getChild(0);
if ($owner->isInstanceOf('PropertyPostfix')) {
$owner = $owner->getParent()->getParent()->getChild(0);
}
return $owner->isInstanceOf('SelfReference') || $owner->isInstanceOf('StaticReference') || strcasecmp($owner->getImage(), '$this') === 0 || strcasecmp($owner->getImage(), $class->getImage()) === 0;
}
/**
* This method checks that the given method postfix is accessed on an
* instance or static reference to the given class.
*
* @param \PHPMD\Node\ClassNode $class
* @param \PHPMD\Node\ASTNode $postfix
* @return boolean
*/
private function isClassScope(ClassNode $class, ASTNode $postfix)
{
$owner = $postfix->getParent()->getChild(0);
return $owner->isInstanceOf('MethodPostfix') || $owner->isInstanceOf('SelfReference') || $owner->isInstanceOf('StaticReference') || strcasecmp($owner->getImage(), '$this') === 0 || strcasecmp($owner->getImage(), $class->getImage()) === 0;
}