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<?php |
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namespace Hyde\Framework\Services; |
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use Hyde\Framework\Helpers\Features; |
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use Hyde\Framework\Models\Pages\DocumentationPage; |
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use Hyde\Framework\Modules\Markdown\BladeDownProcessor; |
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use Hyde\Framework\Modules\Markdown\CodeblockFilepathProcessor; |
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use Hyde\Framework\Modules\Markdown\MarkdownConverter; |
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use Hyde\Framework\Modules\Markdown\ShortcodeProcessor; |
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use League\CommonMark\Extension\DisallowedRawHtml\DisallowedRawHtmlExtension; |
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use League\CommonMark\Extension\HeadingPermalink\HeadingPermalinkExtension; |
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use Torchlight\Commonmark\V2\TorchlightExtension; |
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/** |
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* Dynamically creates a Markdown converter tailored for the target model and setup, |
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* then converts the Markdown to HTML using both pre- and post-processors. |
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* |
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* @see \Hyde\Framework\Testing\Feature\MarkdownServiceTest |
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*/ |
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class MarkdownService |
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{ |
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public string $markdown; |
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public ?string $sourceModel = null; |
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protected array $config = []; |
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protected array $extensions = []; |
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protected MarkdownConverter $converter; |
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protected string $html; |
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protected array $features = []; |
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protected bool $useTorchlight; |
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protected bool $torchlightAttribution; |
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public function __construct(string $markdown, ?string $sourceModel = null) |
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{ |
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$this->sourceModel = $sourceModel; |
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$this->markdown = $markdown; |
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} |
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public function parse(): string |
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{ |
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$this->setupConverter(); |
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$this->runPreprocessing(); |
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$this->html = $this->converter->convert($this->markdown); |
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$this->runPostProcessing(); |
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return $this->html; |
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} |
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public function addExtension(string $extensionClassName): void |
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{ |
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if (! in_array($extensionClassName, $this->extensions)) { |
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$this->extensions[] = $extensionClassName; |
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} |
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} |
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public function initializeExtension(string $extensionClassName): void |
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{ |
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$this->converter->getEnvironment()->addExtension(new $extensionClassName()); |
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} |
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protected function setupConverter(): void |
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{ |
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// Determine what dynamic extensions to enable |
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if ($this->canEnablePermalinks()) { |
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$this->addExtension(HeadingPermalinkExtension::class); |
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$this->config = array_merge([ |
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'heading_permalink' =>[ |
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'id_prefix' => '', |
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'fragment_prefix' => '', |
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'symbol' => '#', |
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'insert' => 'after', |
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'min_heading_level' => 2, |
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], |
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], $this->config); |
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} |
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if ($this->canEnableTorchlight()) { |
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$this->addExtension(TorchlightExtension::class); |
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} |
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if (config('markdown.allow_html', false)) { |
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$this->addExtension(DisallowedRawHtmlExtension::class); |
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$this->config = array_merge([ |
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'disallowed_raw_html' => [ |
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'disallowed_tags' => [], |
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], |
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], $this->config); |
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} |
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// Add any custom extensions defined in config |
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foreach (config('markdown.extensions', []) as $extensionClassName) { |
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$this->addExtension($extensionClassName); |
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} |
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// Merge any custom configuration options |
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$this->config = array_merge(config('markdown.config', []), $this->config); |
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$this->converter = new MarkdownConverter($this->config); |
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foreach ($this->extensions as $extension) { |
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$this->initializeExtension($extension); |
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} |
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} |
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protected function runPreprocessing(): void |
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{ |
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if (config('markdown.enable_blade', false)) { |
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$this->markdown = BladeDownProcessor::preprocess($this->markdown); |
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} |
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$this->markdown = ShortcodeProcessor::process($this->markdown); |
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$this->markdown = CodeblockFilepathProcessor::preprocess($this->markdown); |
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} |
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protected function runPostProcessing(): void |
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{ |
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if ($this->determineIfTorchlightAttributionShouldBeInjected()) { |
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$this->html .= $this->injectTorchlightAttribution(); |
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} |
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if (config('markdown.enable_blade', false)) { |
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$this->html = BladeDownProcessor::process($this->html); |
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} |
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if (config('markdown.features.codeblock_filepaths', true)) { |
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$this->html = CodeblockFilepathProcessor::process($this->html); |
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} |
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// Remove any Hyde annotations (everything between `// HYDE!` and `HYDE! //`) (must be done last) |
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$this->html = preg_replace('/ \/\/ HYDE!.*HYDE! \/\//s', '', $this->html); |
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} |
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public function getExtensions(): array |
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{ |
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return $this->extensions; |
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} |
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public function removeFeature(string $feature): static |
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{ |
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if (in_array($feature, $this->features)) { |
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$this->features = array_diff($this->features, [$feature]); |
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} |
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return $this; |
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} |
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public function addFeature(string $feature): static |
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{ |
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if (! in_array($feature, $this->features)) { |
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$this->features[] = $feature; |
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} |
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return $this; |
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} |
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public function withPermalinks(): static |
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{ |
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$this->addFeature('permalinks'); |
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return $this; |
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} |
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public function isDocumentationPage(): bool |
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{ |
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return isset($this->sourceModel) && $this->sourceModel === DocumentationPage::class; |
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} |
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public function withTableOfContents(): static |
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{ |
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$this->addFeature('table-of-contents'); |
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return $this; |
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} |
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public function canEnableTorchlight(): bool |
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{ |
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return $this->hasFeature('torchlight') || |
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Features::hasTorchlight(); |
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} |
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public function canEnablePermalinks(): bool |
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{ |
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if ($this->hasFeature('permalinks')) { |
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return true; |
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} |
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if ($this->isDocumentationPage() && DocumentationPage::hasTableOfContents()) { |
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return true; |
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} |
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return false; |
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} |
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public function hasFeature(string $feature): bool |
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{ |
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return in_array($feature, $this->features); |
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} |
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protected function determineIfTorchlightAttributionShouldBeInjected(): bool |
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{ |
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return ! $this->isDocumentationPage() |
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&& config('torchlight.attribution.enabled', true) |
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&& str_contains($this->html, 'Syntax highlighted by torchlight.dev'); |
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} |
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protected function injectTorchlightAttribution(): string |
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{ |
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return '<br>'.$this->converter->convert(config( |
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'torchlight.attribution.markdown', |
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'Syntax highlighted by torchlight.dev' |
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)); |
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} |
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} |
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hydephp /
develop
