protected function traverseNode(Node $node)
{
foreach ($node->getSubNodeNames() as $name) {
$subNode =& $node->{$name};
if (is_array($subNode)) {
$subNode = $this->traverseArray($subNode);
} elseif ($subNode instanceof Node) {
$traverseChildren = true;
foreach ($this->visitors as $visitor) {
$return = $visitor->enterNode($subNode);
if (self::DONT_TRAVERSE_CHILDREN === $return) {
$traverseChildren = false;
} else {
if (null !== $return) {
$subNode = $return;
}
}
}
if ($traverseChildren) {
$subNode = $this->traverseNode($subNode);
}
foreach ($this->visitors as $visitor) {
if (null !== ($return = $visitor->leaveNode($subNode))) {
if (is_array($return)) {
throw new \LogicException('leaveNode() may only return an array ' . 'if the parent structure is an array');
}
$subNode = $return;
}
}
}
}
return $node;
}
/**
* @dataProvider provideNodes
*/
public function testConstruct(array $attributes, Node $node)
{
$this->assertSame('Dummy', $node->getType());
$this->assertSame(array('subNode1', 'subNode2'), $node->getSubNodeNames());
$this->assertSame(10, $node->getLine());
$this->assertSame('/** doc comment */', $node->getDocComment()->getText());
$this->assertSame('value1', $node->subNode1);
$this->assertSame('value2', $node->subNode2);
$this->assertTrue(isset($node->subNode1));
$this->assertTrue(isset($node->subNode2));
$this->assertFalse(isset($node->subNode3));
$this->assertSame($attributes, $node->getAttributes());
return $node;
}
/**
* 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)";
}
/**
* 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 = "\n{\n \"title\"" . ":" . " \"" . $node->getType() . "\"," . "\n" . " \"value\": {\n";
foreach ($node->getSubNodeNames() as $key) {
$value = $node->{$key};
if (null === $value) {
$r .= " \"" . $key . "\"" . ":" . "null,";
} elseif (false === $value) {
$r .= " \"" . $key . "\"" . ":" . "false," . "";
} elseif (true === $value) {
$r .= 'true';
} elseif (is_scalar($value)) {
$r .= " \"{$key}\"" . ":" . "\"{$value}\"" . ",";
} else {
$r .= " \n\"{$key}\": " . str_replace("\n", "\n ", $this->dump($value)) . ",";
}
}
$r = rtrim($r, ",");
$r .= "\n }\n}";
} elseif (is_array($node)) {
$r = " [";
foreach ($node as $key => $value) {
if (null === $value) {
$r .= 'null';
} elseif (false === $value) {
$r .= 'false';
} elseif (true === $value) {
$r .= 'true';
} elseif (is_scalar($value)) {
$r .= "\n\"" . $value . "\"\n";
} else {
$r .= str_replace("\n", "\n ", $this->dump($value)) . ",";
}
}
$r = rtrim($r, ",");
$r .= "\n ]";
} else {
throw new \InvalidArgumentException('Can only dump nodes and arrays.');
}
return $r . "\n";
}
