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<?php |
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/* |
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* This is part of the webuni/front-matter package. |
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* |
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* (c) Martin Hasoň <[email protected]> |
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* (c) Webuni s.r.o. <[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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namespace Webuni\FrontMatter\Twig; |
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class DataToTwigConvertor |
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{ |
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/** @var callable */ |
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private $convertor; |
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protected function __construct(callable $convertor) |
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{ |
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$this->convertor = $convertor; |
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} |
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/** |
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* Data will not be written to the twig template |
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* |
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* @return static |
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*/ |
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public static function nothing(): self |
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{ |
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return new static(function (array $data) { |
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return ''; |
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}); |
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} |
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/** |
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* @param bool $force Define the value of the variable even if it is passed to the template |
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* @return static |
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*/ |
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public static function vars(bool $force = true): self |
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{ |
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return new static(function (array $data) use ($force) { |
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$content = ''; |
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foreach ($data as $key => $value) { |
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if (preg_match('/^[a-z][0-9a-z_]*$/i', $key)) { |
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$content .= "{% set $key = " . ($force ? '' : "$key is defined ? $key : ") . static::valueToTwig($value) . " %}\n"; |
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} |
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} |
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return $content; |
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}); |
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} |
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/** |
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* Converts data to one twig variable |
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* |
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* @param string $name Variable name |
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* @param bool $force Define the value of the variable even if it is passed to the template |
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* @return static |
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*/ |
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public static function var(string $name, bool $force = true): self |
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{ |
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return new static(function (array $data) use ($name, $force) { |
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return "{% set $name = " . ($force ? '' : "$name is defined ? $name : ") . static::valueToTwig($data) . "%}\n"; |
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}); |
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} |
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public function convert(array $data): string |
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{ |
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$convertor = $this->convertor; |
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return $convertor($data); |
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} |
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public static function valueToTwig($value): string |
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{ |
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if ($value instanceof \DateTimeInterface) { |
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return '(' . $value->getTimestamp() . "|date_modify('0sec'))"; |
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} elseif (is_array($value)) { |
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$twig = '{'; |
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foreach ($value as $key => $val) { |
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$twig .= "$key: ".static::valueToTwig($val).", "; |
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} |
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return $twig."}"; |
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} else { |
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return json_encode($value); |
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} |
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} |
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} |
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webuni /
front-matter
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.