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vendor/nelmio/api-doc-bundle/Render/Html/AssetsMode.php

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+<?php
+
+/*
+ * This file is part of the NelmioApiDocBundle package.
+ *
+ * (c) Nelmio
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Nelmio\ApiDocBundle\Render\Html;
+
+class AssetsMode
+{
+    public const BUNDLE = 'bundle';
+    public const CDN = 'cdn';
+    public const OFFLINE = 'offline';
+}

vendor/nelmio/api-doc-bundle/Render/Html/GetNelmioAsset.php

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+<?php
+
+/*
+ * This file is part of the NelmioApiDocBundle package.
+ *
+ * (c) Nelmio
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Nelmio\ApiDocBundle\Render\Html;
+
+use Symfony\Bridge\Twig\Extension\AssetExtension;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+/**
+ * @internal
+ */
+class GetNelmioAsset extends AbstractExtension
+{
+    private $assetExtension;
+    private $resourcesDir;
+    private $cdnUrl;
+
+    public function __construct(AssetExtension $assetExtension)
+    {
+        $this->assetExtension = $assetExtension;
+        $this->cdnUrl = 'https://cdn.jsdelivr.net/gh/nelmio/NelmioApiDocBundle/Resources/public';
+        $this->resourcesDir = __DIR__.'/../../Resources/public';
+    }
+
+    public function getFunctions(): array
+    {
+        return [
+            new TwigFunction('nelmioAsset', $this, ['is_safe' => ['html']]),
+        ];
+    }
+
+    public function __invoke($defaultAssetsMode, $asset)
+    {
+        [$extension, $mode] = $this->getExtension($defaultAssetsMode, $asset);
+        [$resource, $isInline] = $this->getResource($asset, $mode);
+        if ('js' == $extension) {
+            return $this->renderJavascript($resource, $isInline);
+        } elseif ('css' == $extension) {
+            return $this->renderCss($resource, $isInline);
+        } else {
+            return $resource;
+        }
+    }
+
+    private function getExtension($assetsMode, $asset)
+    {
+        $extension = mb_substr($asset, -3, 3, 'utf-8');
+        if ('.js' === $extension) {
+            return ['js', $assetsMode];
+        } elseif ('png' === $extension) {
+            return ['png', AssetsMode::OFFLINE == $assetsMode ? AssetsMode::CDN : $assetsMode];
+        } else {
+            return ['css', $assetsMode];
+        }
+    }
+
+    private function getResource($asset, $mode)
+    {
+        if (filter_var($asset, FILTER_VALIDATE_URL)) {
+            return [$asset, false];
+        } elseif (AssetsMode::OFFLINE === $mode) {
+            return [file_get_contents($this->resourcesDir.'/'.$asset), true];
+        } elseif (AssetsMode::CDN === $mode) {
+            return [$this->cdnUrl.'/'.$asset, false];
+        } else {
+            return [$this->assetExtension->getAssetUrl(sprintf('bundles/nelmioapidoc/%s', $asset)), false];
+        }
+    }
+
+    private function renderJavascript(string $script, bool $isInline)
+    {
+        if ($isInline) {
+            return sprintf('<script>%s</script>', $script);
+        } else {
+            return sprintf('<script src="%s"></script>', $script);
+        }
+    }
+
+    private function renderCss(string $stylesheet, bool $isInline)
+    {
+        if ($isInline) {
+            return sprintf('<style>%s</style>', $stylesheet);
+        } else {
+            return sprintf('<link rel="stylesheet" href="%s">', $stylesheet);
+        }
+    }
+}

vendor/nelmio/api-doc-bundle/Render/Html/HtmlOpenApiRenderer.php

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+<?php
+
+/*
+ * This file is part of the NelmioApiDocBundle package.
+ *
+ * (c) Nelmio
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Nelmio\ApiDocBundle\Render\Html;
+
+use InvalidArgumentException;
+use Nelmio\ApiDocBundle\Render\OpenApiRenderer;
+use Nelmio\ApiDocBundle\Render\RenderOpenApi;
+use OpenApi\Annotations\OpenApi;
+use Twig\Environment;
+
+/**
+ * @internal
+ */
+class HtmlOpenApiRenderer implements OpenApiRenderer
+{
+    /** @var Environment|\Twig_Environment */
+    private $twig;
+
+    public function __construct($twig)
+    {
+        if (!$twig instanceof \Twig_Environment && !$twig instanceof Environment) {
+            throw new InvalidArgumentException(sprintf('Providing an instance of "%s" as twig is not supported.', get_class($twig)));
+        }
+        $this->twig = $twig;
+    }
+
+    public function getFormat(): string
+    {
+        return RenderOpenApi::HTML;
+    }
+
+    public function render(OpenApi $spec, array $options = []): string
+    {
+        $options += [
+            'assets_mode' => AssetsMode::CDN,
+            'swagger_ui_config' => [],
+        ];
+
+        return $this->twig->render(
+            '@NelmioApiDoc/SwaggerUi/index.html.twig',
+            [
+                'swagger_data' => ['spec' => json_decode($spec->toJson(), true)],
+                'assets_mode' => $options['assets_mode'],
+                'swagger_ui_config' => $options['swagger_ui_config'],
+            ]
+        );
+    }
+}