1 files changed, 103 insertions, 0 deletions
diff --git a/vendor/phar-io/manifest/src/xml/ManifestDocument.php b/vendor/phar-io/manifest/src/xml/ManifestDocument.php
new file mode 100644
index 000000000..f88b28293
--- /dev/null
+++ b/vendor/phar-io/manifest/src/xml/ManifestDocument.php
@@ -0,0 +1,103 @@
+<?php declare(strict_types = 1);
+/*
+ * This file is part of PharIo\Manifest.
+ *
+ * (c) Arne Blankerts <[email protected]>, Sebastian Heuer <[email protected]>, Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PharIo\Manifest;
+
+use DOMDocument;
+use DOMElement;
+
+class ManifestDocument {
+    public const XMLNS = 'https://phar.io/xml/manifest/1.0';
+
+    /** @var DOMDocument */
+    private $dom;
+
+    public static function fromFile(string $filename): ManifestDocument {
+        if (!\file_exists($filename)) {
+            throw new ManifestDocumentException(
+                \sprintf('File "%s" not found', $filename)
+            );
+        }
+
+        return self::fromString(
+            \file_get_contents($filename)
+        );
+    }
+
+    public static function fromString(string $xmlString): ManifestDocument {
+        $prev = \libxml_use_internal_errors(true);
+        \libxml_clear_errors();
+
+        $dom = new DOMDocument();
+        $dom->loadXML($xmlString);
+
+        $errors = \libxml_get_errors();
+        \libxml_use_internal_errors($prev);
+
+        if (\count($errors) !== 0) {
+            throw new ManifestDocumentLoadingException($errors);
+        }
+
+        return new self($dom);
+    }
+
+    private function __construct(DOMDocument $dom) {
+        $this->ensureCorrectDocumentType($dom);
+
+        $this->dom = $dom;
+    }
+
+    public function getContainsElement(): ContainsElement {
+        return new ContainsElement(
+            $this->fetchElementByName('contains')
+        );
+    }
+
+    public function getCopyrightElement(): CopyrightElement {
+        return new CopyrightElement(
+            $this->fetchElementByName('copyright')
+        );
+    }
+
+    public function getRequiresElement(): RequiresElement {
+        return new RequiresElement(
+            $this->fetchElementByName('requires')
+        );
+    }
+
+    public function hasBundlesElement(): bool {
+        return $this->dom->getElementsByTagNameNS(self::XMLNS, 'bundles')->length === 1;
+    }
+
+    public function getBundlesElement(): BundlesElement {
+        return new BundlesElement(
+            $this->fetchElementByName('bundles')
+        );
+    }
+
+    private function ensureCorrectDocumentType(DOMDocument $dom): void {
+        $root = $dom->documentElement;
+
+        if ($root->localName !== 'phar' || $root->namespaceURI !== self::XMLNS) {
+            throw new ManifestDocumentException('Not a phar.io manifest document');
+        }
+    }
+
+    private function fetchElementByName(string $elementName): DOMElement {
+        $element = $this->dom->getElementsByTagNameNS(self::XMLNS, $elementName)->item(0);
+
+        if (!$element instanceof DOMElement) {
+            throw new ManifestDocumentException(
+                \sprintf('Element %s missing', $elementName)
+            );
+        }
+
+        return $element;
+    }
+}