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<?php |
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|
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/* |
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* This file is part of the WindPress package. |
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* |
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* (c) Joshua Gugun Siagian <suabahasa@gmail.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare (strict_types=1); |
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namespace WindPress\WindPress\Core\Scanner; |
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|
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use RuntimeException; |
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use Throwable; |
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use WP_Post; |
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use WP_Query; |
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class PostRenderer |
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{ |
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private const POST_GLOBALS = ['post', 'id', 'authordata', 'currentday', 'currentmonth', 'page', 'pages', 'multipage', 'more', 'numpages']; |
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public static function render(WP_Post $post, array $renderers, string $provider, WP_Query $query): string |
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{ |
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if ($renderers === []) { |
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return $post->post_content; |
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} |
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$previous_globals = []; |
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foreach (self::POST_GLOBALS as $name) { |
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if (array_key_exists($name, $GLOBALS)) { |
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$previous_globals[$name] = $GLOBALS[$name]; |
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} |
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} |
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$source_content = $post->post_content; |
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$content = $source_content; |
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try { |
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$GLOBALS['post'] = $post; |
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if (!$query->setup_postdata($post)) { |
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throw new RuntimeException(__('Could not set up the post context.', 'windpress')); |
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} |
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foreach ($renderers as $renderer) { |
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$content = $renderer($content); |
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if (!is_string($content)) { |
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throw new RuntimeException(__('The renderer must return a string.', 'windpress')); |
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} |
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} |
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} catch (Throwable $throwable) { |
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throw new RuntimeException(sprintf( |
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/* translators: 1: Scan provider name, 2: Post ID, 3: Error message. */ |
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__('%1$s could not render post #%2$d: %3$s', 'windpress'), |
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$provider, |
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$post->ID, |
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$throwable->getMessage() |
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), 0, $throwable); |
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} finally { |
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// REST requests have no main loop to restore with wp_reset_postdata(). |
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foreach (self::POST_GLOBALS as $name) { |
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if (array_key_exists($name, $previous_globals)) { |
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$GLOBALS[$name] = $previous_globals[$name]; |
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} else { |
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unset($GLOBALS[$name]); |
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} |
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} |
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} |
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// Keep classes in conditional template branches that did not render. |
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return $content === $source_content ? $content : $source_content . \PHP_EOL . $content; |
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} |
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} |
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