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<?php |
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/** |
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* This file is part of the silex-annotation-provider package. |
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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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* @license MIT License |
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* @copyright (c) 2018, Dana Desrosiers <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace DDesrosiers\SilexAnnotations\AnnotationReader; |
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/** |
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* Class DocBlock parses doc block annotations into an array representation. |
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* |
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* @author Dana Desrosiers <[email protected]> |
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*/ |
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class DocBlock |
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{ |
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const LINE_ENDINGS = ["\r\n","\n\r","\r"]; |
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private $docBlockString; |
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/** |
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* @param string $docBlockString |
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*/ |
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public function __construct(string $docBlockString) |
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{ |
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$this->docBlockString = $docBlockString; |
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} |
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/** |
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* @param $annotationName |
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* @return array|null |
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*/ |
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public function parseAnnotation($annotationName): ?array |
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{ |
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$annotation = explode("@$annotationName(", $this->docBlockString)[1]; |
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if ($annotation === null) { |
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return null; |
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} |
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$def = []; |
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foreach ($this->splitLines($annotation) as $line) { |
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$tokens = $this->tokenizeLine($line); |
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if (strlen($tokens[0]) > 0) { |
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$def[$tokens[0]][] = (count($tokens) === 1) ? [] : explode(', ', $tokens[1]); |
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} |
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if ($this->endsWith($line, ')')) { |
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break; |
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} |
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} |
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return $def; |
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} |
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/** |
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* @param string $str |
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* @return array |
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*/ |
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private function splitLines(string $str): array |
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{ |
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return explode("\n", str_replace(self::LINE_ENDINGS,"\n", trim($str))); |
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} |
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/** |
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* @param string $str |
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* @return array |
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*/ |
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private function tokenizeLine(string $str): array |
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{ |
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$trimmedLine = trim($str, " \t*)"); |
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return explode(' => ', $trimmedLine); |
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} |
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/** |
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* @param string $str |
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* @param string $endsWith (last character) |
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* @return bool |
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*/ |
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private function endsWith(string $str, string $endsWith): bool |
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{ |
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$str = trim($str); |
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return $str[strlen($str)-1] === $endsWith; |
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} |
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} |
danadesrosiers /
silex-annotation-provider
