87 lines
3.1 KiB
PHP
87 lines
3.1 KiB
PHP
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<?php
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namespace PhpParser\Serializer;
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use XMLWriter;
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use PhpParser\Node;
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use PhpParser\Comment;
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use PhpParser\Serializer;
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class XML implements Serializer
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{
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protected $writer;
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/**
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* Constructs a XML serializer.
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*/
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public function __construct() {
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$this->writer = new XMLWriter;
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$this->writer->openMemory();
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$this->writer->setIndent(true);
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}
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public function serialize(array $nodes) {
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$this->writer->flush();
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$this->writer->startDocument('1.0', 'UTF-8');
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$this->writer->startElement('AST');
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$this->writer->writeAttribute('xmlns:node', 'http://nikic.github.com/PHPParser/XML/node');
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$this->writer->writeAttribute('xmlns:subNode', 'http://nikic.github.com/PHPParser/XML/subNode');
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$this->writer->writeAttribute('xmlns:attribute', 'http://nikic.github.com/PHPParser/XML/attribute');
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$this->writer->writeAttribute('xmlns:scalar', 'http://nikic.github.com/PHPParser/XML/scalar');
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$this->_serialize($nodes);
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$this->writer->endElement();
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return $this->writer->outputMemory();
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}
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protected function _serialize($node) {
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if ($node instanceof Node) {
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$this->writer->startElement('node:' . $node->getType());
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foreach ($node->getAttributes() as $name => $value) {
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$this->writer->startElement('attribute:' . $name);
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$this->_serialize($value);
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$this->writer->endElement();
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}
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foreach ($node as $name => $subNode) {
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$this->writer->startElement('subNode:' . $name);
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$this->_serialize($subNode);
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$this->writer->endElement();
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}
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$this->writer->endElement();
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} elseif ($node instanceof Comment) {
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$this->writer->startElement('comment');
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$this->writer->writeAttribute('isDocComment', $node instanceof Comment\Doc ? 'true' : 'false');
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$this->writer->writeAttribute('line', (string) $node->getLine());
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$this->writer->text($node->getText());
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$this->writer->endElement();
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} elseif (is_array($node)) {
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$this->writer->startElement('scalar:array');
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foreach ($node as $subNode) {
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$this->_serialize($subNode);
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}
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$this->writer->endElement();
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} elseif (is_string($node)) {
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$this->writer->writeElement('scalar:string', $node);
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} elseif (is_int($node)) {
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$this->writer->writeElement('scalar:int', (string) $node);
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} elseif (is_float($node)) {
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// TODO Higher precision conversion?
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$this->writer->writeElement('scalar:float', (string) $node);
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} elseif (true === $node) {
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$this->writer->writeElement('scalar:true');
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} elseif (false === $node) {
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$this->writer->writeElement('scalar:false');
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} elseif (null === $node) {
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$this->writer->writeElement('scalar:null');
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} else {
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throw new \InvalidArgumentException('Unexpected node type');
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}
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}
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}
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