1 files changed, 79 insertions, 0 deletions
diff --git a/vendor/theseer/tokenizer/src/XMLSerializer.php b/vendor/theseer/tokenizer/src/XMLSerializer.php
new file mode 100644
index 000000000..e67a7fe8b
--- /dev/null
+++ b/vendor/theseer/tokenizer/src/XMLSerializer.php
@@ -0,0 +1,79 @@
+<?php declare(strict_types = 1);
+namespace TheSeer\Tokenizer;
+
+use DOMDocument;
+
+class XMLSerializer {
+
+    /** @var \XMLWriter */
+    private $writer;
+
+    /** @var Token */
+    private $previousToken;
+
+    /** @var NamespaceUri */
+    private $xmlns;
+
+    /**
+     * XMLSerializer constructor.
+     *
+     * @param NamespaceUri $xmlns
+     */
+    public function __construct(NamespaceUri $xmlns = null) {
+        if ($xmlns === null) {
+            $xmlns = new NamespaceUri('https://github.com/theseer/tokenizer');
+        }
+        $this->xmlns = $xmlns;
+    }
+
+    public function toDom(TokenCollection $tokens): DOMDocument {
+        $dom                     = new DOMDocument();
+        $dom->preserveWhiteSpace = false;
+        $dom->loadXML($this->toXML($tokens));
+
+        return $dom;
+    }
+
+    public function toXML(TokenCollection $tokens): string {
+        $this->writer = new \XMLWriter();
+        $this->writer->openMemory();
+        $this->writer->setIndent(true);
+        $this->writer->startDocument();
+        $this->writer->startElement('source');
+        $this->writer->writeAttribute('xmlns', $this->xmlns->asString());
+
+        if (\count($tokens) > 0) {
+            $this->writer->startElement('line');
+            $this->writer->writeAttribute('no', '1');
+
+            $this->previousToken = $tokens[0];
+
+            foreach ($tokens as $token) {
+                $this->addToken($token);
+            }
+        }
+
+        $this->writer->endElement();
+        $this->writer->endElement();
+        $this->writer->endDocument();
+
+        return $this->writer->outputMemory();
+    }
+
+    private function addToken(Token $token): void {
+        if ($this->previousToken->getLine() < $token->getLine()) {
+            $this->writer->endElement();
+
+            $this->writer->startElement('line');
+            $this->writer->writeAttribute('no', (string)$token->getLine());
+            $this->previousToken = $token;
+        }
+
+        if ($token->getValue() !== '') {
+            $this->writer->startElement('token');
+            $this->writer->writeAttribute('name', $token->getName());
+            $this->writer->writeRaw(\htmlspecialchars($token->getValue(), \ENT_NOQUOTES | \ENT_DISALLOWED | \ENT_XML1));
+            $this->writer->endElement();
+        }
+    }
+}