3 namespace PhpParser\Serializer;
7 use PhpParser\Serializer;
13 class XML implements Serializer
18 * Constructs a XML serializer.
20 public function __construct() {
21 $this->writer = new XMLWriter;
22 $this->writer->openMemory();
23 $this->writer->setIndent(true);
26 public function serialize(array $nodes) {
27 $this->writer->flush();
28 $this->writer->startDocument('1.0', 'UTF-8');
30 $this->writer->startElement('AST');
31 $this->writer->writeAttribute('xmlns:node', 'http://nikic.github.com/PHPParser/XML/node');
32 $this->writer->writeAttribute('xmlns:subNode', 'http://nikic.github.com/PHPParser/XML/subNode');
33 $this->writer->writeAttribute('xmlns:attribute', 'http://nikic.github.com/PHPParser/XML/attribute');
34 $this->writer->writeAttribute('xmlns:scalar', 'http://nikic.github.com/PHPParser/XML/scalar');
36 $this->_serialize($nodes);
38 $this->writer->endElement();
40 return $this->writer->outputMemory();
43 protected function _serialize($node) {
44 if ($node instanceof Node) {
45 $this->writer->startElement('node:' . $node->getType());
47 foreach ($node->getAttributes() as $name => $value) {
48 $this->writer->startElement('attribute:' . $name);
49 $this->_serialize($value);
50 $this->writer->endElement();
53 foreach ($node as $name => $subNode) {
54 $this->writer->startElement('subNode:' . $name);
55 $this->_serialize($subNode);
56 $this->writer->endElement();
59 $this->writer->endElement();
60 } elseif ($node instanceof Comment) {
61 $this->writer->startElement('comment');
62 $this->writer->writeAttribute('isDocComment', $node instanceof Comment\Doc ? 'true' : 'false');
63 $this->writer->writeAttribute('line', (string) $node->getLine());
64 $this->writer->text($node->getText());
65 $this->writer->endElement();
66 } elseif (is_array($node)) {
67 $this->writer->startElement('scalar:array');
68 foreach ($node as $subNode) {
69 $this->_serialize($subNode);
71 $this->writer->endElement();
72 } elseif (is_string($node)) {
73 $this->writer->writeElement('scalar:string', $node);
74 } elseif (is_int($node)) {
75 $this->writer->writeElement('scalar:int', (string) $node);
76 } elseif (is_float($node)) {
77 // TODO Higher precision conversion?
78 $this->writer->writeElement('scalar:float', (string) $node);
79 } elseif (true === $node) {
80 $this->writer->writeElement('scalar:true');
81 } elseif (false === $node) {
82 $this->writer->writeElement('scalar:false');
83 } elseif (null === $node) {
84 $this->writer->writeElement('scalar:null');
86 throw new \InvalidArgumentException('Unexpected node type');