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<?php |
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namespace Hyde\Framework\Modules\Markdown; |
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use Hyde\Framework\Contracts\MarkdownPostProcessorContract; |
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use Hyde\Framework\Contracts\MarkdownPreProcessorContract; |
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use Illuminate\Support\Facades\Blade; |
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/** |
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* Markdown Processor to render Laravel Blade within Markdown files. |
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* |
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* Works on a line-by-line basis by searching for a line starting with the directive. |
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* The preprocessor expands the directive to an HTML comment. The post-processor parses it. |
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* |
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* @example: [Blade]: {{ time() }} |
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* @example: [Blade]: @include('path/to/view.blade.php') |
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* |
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* @see \Hyde\Framework\Testing\Feature\Services\BladeDownProcessorTest |
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* @phpstan-consistent-constructor |
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*/ |
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class BladeDownProcessor implements MarkdownPreProcessorContract, MarkdownPostProcessorContract |
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{ |
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protected string $html; |
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protected string $output; |
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protected array $pageData = []; |
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public static function render(string $html, ?array $pageData = []): string |
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{ |
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return (new static(static::preprocess($html), $pageData))->run()->get(); |
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} |
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public static function preprocess(string $markdown): string |
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{ |
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return implode("\n", array_map(function ($line) { |
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return str_starts_with(strtolower($line), strtolower('[Blade]:')) |
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? '<!-- HYDE'.trim(htmlentities($line)).' -->' |
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: $line; |
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}, explode("\n", $markdown))); |
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} |
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public static function postprocess(string $html, ?array $pageData = []): string |
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{ |
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return (new static($html, $pageData))->run()->get(); |
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} |
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public function __construct(string $html, ?array $pageData = []) |
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{ |
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$this->html = $html; |
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$this->pageData = $pageData; |
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} |
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public function run(): static |
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{ |
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$this->output = implode("\n", array_map(function ($line) { |
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return $this->lineStartsWithDirective($line) |
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? $this->processLine($line) |
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: $line; |
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}, explode("\n", $this->html))); |
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return $this; |
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} |
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public function get(): string |
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{ |
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return $this->output; |
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} |
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protected function lineStartsWithDirective(string $line): bool |
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{ |
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return str_starts_with(strtolower($line), '<!-- hyde[blade]:'); |
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} |
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protected function processLine(string $line): string |
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{ |
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return Blade::render( |
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substr(substr(html_entity_decode($line), 18), 0, -4), |
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$this->pageData |
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); |
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} |
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} |
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hydephp /
develop
