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<?php
namespace PhpParser;
class NodeDumper
{
private $dumpComments;
/**
* Constructs a NodeDumper.
*
* @param array $options Boolean option 'dumpComments' controls whether comments should be
* dumped
*/
public function __construct(array $options = []) {
$this->dumpComments = !empty($options['dumpComments']);
}
/**
* Dumps a node or array.
*
* @param array|Node $node Node or array to dump
*
* @return string Dumped value
*/
public function dump($node) {
if ($node instanceof Node) {
$r = $node->getType() . '(';
foreach ($node->getSubNodeNames() as $key) {
$r .= "\n " . $key . ': ';
$value = $node->$key;
if (null === $value) {
$r .= 'null';
} elseif (false === $value) {
$r .= 'false';
} elseif (true === $value) {
$r .= 'true';
} elseif (is_scalar($value)) {
$r .= $value;
} else {
$r .= str_replace("\n", "\n ", $this->dump($value));
}
}
if ($this->dumpComments && $comments = $node->getAttribute('comments')) {
$r .= "\n comments: " . str_replace("\n", "\n ", $this->dump($comments));
}
} elseif (is_array($node)) {
$r = 'array(';
foreach ($node as $key => $value) {
$r .= "\n " . $key . ': ';
if (null === $value) {
$r .= 'null';
} elseif (false === $value) {
$r .= 'false';
} elseif (true === $value) {
$r .= 'true';
} elseif (is_scalar($value)) {
$r .= $value;
} else {
$r .= str_replace("\n", "\n ", $this->dump($value));
}
}
} elseif ($node instanceof Comment) {
return $node->getReformattedText();
} else {
throw new \InvalidArgumentException('Can only dump nodes and arrays.');
}
return $r . "\n)";
}
}