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<?php |
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/** |
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* apparat-resource |
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* |
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* @category Apparat |
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* @package Apparat\Resource |
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* @subpackage Apparat\Resource\Infrastructure |
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* @author Joschi Kuphal <[email protected]> / @jkphl |
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* @copyright Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl |
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* @license http://opensource.org/licenses/MIT The MIT License (MIT) |
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*/ |
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/*********************************************************************************** |
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* The MIT License (MIT) |
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* |
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* Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of |
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* this software and associated documentation files (the "Software"), to deal in |
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* the Software without restriction, including without limitation the rights to |
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
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* the Software, and to permit persons to whom the Software is furnished to do so, |
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* subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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***********************************************************************************/ |
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namespace Apparat\Resource\Infrastructure\Model\Hydrator; |
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use Apparat\Resource\Application\Service\StringUtility; |
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use Apparat\Resource\Domain\Model\Hydrator\AbstractSequenceHydrator; |
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use Apparat\Resource\Domain\Model\Hydrator\HydratorInterface; |
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use Apparat\Resource\Domain\Model\Part\PartAggregateInterface; |
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/** |
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* FrontMark part hydrator (combination of YAML / JSON front matter and CommonMark part) |
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* |
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* @package Apparat\Resource |
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* @subpackage Apparat\Resource\Infrastructure |
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*/ |
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class FrontMarkHydrator extends AbstractSequenceHydrator |
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{ |
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/** |
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* Translate data to a YAML resource part |
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* |
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* @param string $data Part data |
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* @return PartAggregateInterface Part aggregate |
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*/ |
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public function hydrate($data) |
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{ |
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$aggregate = parent::hydrate(null); |
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// Prepare and split the frontmatter data |
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$data = StringUtility::stripBom($data); |
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$frontMatter = ''; |
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$commonMarkBody = $data; |
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// Check for a YAML document end marker |
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$yamlParts = preg_split("%\R(\.\.\.)\R%", $data, 2); |
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if (count($yamlParts) > 1) { |
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$frontMatter = array_shift($yamlParts); |
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$commonMarkBody = implode('...', $yamlParts); |
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// Else: Check for JSON front matter |
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} elseif (!strncmp('{', trim($data), 1)) { |
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list($frontMatter, $commonMarkBody) = $this->extractJsonFrontmatter($data); |
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} |
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// Assign the front matter and body part |
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$aggregate->assign(FrontMatterHydrator::FRONTMATTER, $frontMatter, 0); |
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$aggregate->assign(HydratorInterface::STANDARD, $commonMarkBody, 0); |
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return $aggregate; |
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} |
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/** |
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* Extract the JSON front matter from a string |
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* |
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* @param string $data String |
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* @return array JSON front matter and string remainder |
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*/ |
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protected function extractJsonFrontmatter($data) |
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{ |
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$jsonFrontMatter = ''; |
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$remainder = $data; |
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// Try decoding the whole string first |
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if (is_object(@json_decode(trim($data)))) { |
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$jsonFrontMatter = trim($data); |
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$remainder = ''; |
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// Else: If the data contains potential JSON closing brackets |
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} elseif (preg_match_all("%\}[\s\R]*[^\,\}\]]%", $data, $closingBrackets, PREG_OFFSET_CAPTURE)) { |
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foreach ($closingBrackets[0] as $closingBracket) { |
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$jsonData = substr($data, 0, $closingBracket[1] + 1); |
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if (is_object(@json_decode($jsonData))) { |
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$jsonFrontMatter = trim($jsonData); |
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$remainder = ltrim(substr($data, $closingBracket[1] + 1)); |
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break; |
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} |
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} |
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} |
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return [$jsonFrontMatter, $remainder]; |
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} |
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} |
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apparat /
resource
