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<?php |
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/** |
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* This file is part of Cecil. |
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* |
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* (c) Arnaud Ligny <[email protected]> |
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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 Cecil\Collection\Page; |
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use Cecil\Exception\RuntimeException; |
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use Symfony\Component\Finder\SplFileInfo; |
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/** |
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* Parser class. |
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* |
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* Parses the front matter and body of a file, extracting metadata and content. |
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*/ |
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class Parser |
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{ |
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// https://regex101.com/r/uZ79Gu/1, https://regex101.com/r/0w5ZvL/1, https://regex101.com/r/GLnaKs/1 |
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//public const PATTERN = '^\s*(?:<!--|---|\+\+\+){1}[\n\r]+(.*?)[\n\r]+(?:-->|---|\+\+\+){1}[\n\r\s]+(.*)$'; |
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public const PATTERN = '^\s*(?:<!--|---|\+\+\+){1}[\n\r\s]*(.*?)[\n\r\s]*(?:-->|---|\+\+\+){1}[\n\r\s]*(.*)$'; |
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/** @var SplFileInfo */ |
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protected $file; |
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/** @var string */ |
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protected $frontmatter; |
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/** @var string */ |
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protected $body; |
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public function __construct(SplFileInfo $file) |
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{ |
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$this->file = $file; |
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} |
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/** |
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* Parse the contents of the file. |
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* |
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* Example: |
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* --- |
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* title: Title |
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* date: 2016-07-29 |
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* --- |
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* Lorem Ipsum. |
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* |
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* @throws RuntimeException |
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*/ |
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1 |
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public function parse(): self |
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{ |
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if ($this->file->isFile()) { |
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if (!$this->file->isReadable()) { |
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throw new RuntimeException('Cannot read file.'); |
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} |
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1 |
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preg_match( |
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'/' . self::PATTERN . '/s', |
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$this->file->getContents(), |
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$matches |
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); |
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// if there is not front matter, set body only |
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if (empty($matches)) { |
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$this->body = $this->file->getContents(); |
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return $this; |
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} |
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$this->frontmatter = trim($matches[1]); |
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$this->body = trim($matches[2]); |
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} |
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return $this; |
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} |
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/** |
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* Get front matter. |
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*/ |
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1 |
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public function getFrontmatter(): ?string |
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{ |
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return $this->frontmatter; |
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} |
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/** |
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* Get body. |
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*/ |
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1 |
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public function getBody(): string |
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{ |
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return $this->body; |
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} |
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} |
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Cecilapp /
Cecil
