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<?php |
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declare(strict_types=1); |
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namespace GraphQL\Doctrine; |
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use ReflectionMethod; |
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use ReflectionParameter; |
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/** |
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* A basic doc block reader to extract. |
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*/ |
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final class DocBlockReader |
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{ |
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private readonly string $comment; |
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public function __construct(ReflectionMethod $method) |
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{ |
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$this->comment = $method->getDocComment() ?: ''; |
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} |
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/** |
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* Get the description of a method from the doc block. |
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*/ |
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public function getMethodDescription(): ?string |
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{ |
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// Remove the comment markers |
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$description = preg_replace('~\*/$~', '', $this->comment); |
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$description = preg_replace('~^\s*(/\*\*|\* ?|\*/)~m', '', $description); |
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// Keep everything before the first annotation |
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$description = trim(explode('@', $description ?? '')[0]); |
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// Drop common "Get" or "Return" in front of comment |
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$description = ucfirst(preg_replace('~^(set|get|return)s? ~i', '', $description) ?? ''); |
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return $description ?: null; |
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} |
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/** |
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* Get the parameter description. |
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*/ |
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public function getParameterDescription(ReflectionParameter $param): ?string |
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{ |
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$name = preg_quote($param->getName()); |
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if (preg_match('~@param\h+\H+\h+\$' . $name . '\h+(.*)~', $this->comment, $m)) { |
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return ucfirst(trim($m[1])); |
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} |
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return null; |
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} |
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/** |
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* Get the parameter type. |
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*/ |
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public function getParameterType(ReflectionParameter $param): ?string |
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{ |
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$name = preg_quote($param->getName()); |
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if (preg_match('~@param\h+(\H+)\h+\$' . $name . '(\h|\n)~', $this->comment, $m)) { |
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return trim($m[1]); |
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} |
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return null; |
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} |
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/** |
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* Get the return type. |
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*/ |
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public function getReturnType(): ?string |
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{ |
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if (preg_match('~@return\h+([^<]+<.*>|\H+)(\h|\n)~', $this->comment, $m)) { |
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return trim($m[1]); |
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} |
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return null; |
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} |
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} |
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Ecodev /
graphql-doctrine
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