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<?php |
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namespace Wandu\Support\Mapper; |
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use InvalidArgumentException; |
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use Wandu\Support\Contracts\MapperInterface; |
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class CaseMapper implements MapperInterface |
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{ |
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const SNAKECASE = 1; // snake_case |
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const PASCALCASE = 2; // PascalCase |
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const CAMELCASE = 3; // camelCase |
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const KEBABCASE = 4; // kebab-case |
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/** @var int */ |
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private $from; |
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/** @var int */ |
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private $to; |
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/** |
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* @param int $from |
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* @param int $to |
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*/ |
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public function __construct($from, $to) |
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{ |
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$this->from = $from; |
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$this->to = $to; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function map($name) |
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{ |
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// 4 cases, [SNAKECASE, SNAKECASE], [PASCALCASE, PASCALCASE], [CAMELCASE, CAMELCASE], [KEBABCASE, KEBABCASE] |
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if ($this->from === $this->to) return $name; |
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switch ($this->from) { |
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case static::PASCALCASE: |
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if ($this->to === static::CAMELCASE) return lcfirst($name); |
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$tokens = $this->fromPascalCase($name); |
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break; |
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case static::CAMELCASE: |
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if ($this->to === static::PASCALCASE) return ucfirst($name); |
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$tokens = $this->fromPascalCase($name); |
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break; |
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case static::KEBABCASE: |
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$tokens = $this->fromKebabCase($name); |
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break; |
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case static::SNAKECASE: |
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$tokens = $this->fromSnakeCase($name); |
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break; |
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default: |
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throw new InvalidArgumentException("Argument 1 passed to " . __METHOD__ . "() must be in [1, 2, 3, 4]"); |
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} |
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switch ($this->to) { |
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case static::PASCALCASE: |
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return str_replace(' ', '', ucwords($tokens)); |
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case static::CAMELCASE: |
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return lcfirst(str_replace(' ', '', ucwords($tokens))); |
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case static::KEBABCASE: |
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return str_replace(' ', '-', strtolower($tokens)); |
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case static::SNAKECASE: |
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return str_replace(' ', '_', strtolower($tokens)); |
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default: |
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throw new InvalidArgumentException("Argument 1 passed to " . __METHOD__ . "() must be in [1, 2, 3, 4]"); |
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} |
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} |
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private function fromSnakeCase($name) |
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{ |
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return str_replace('_', ' ', $name); |
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} |
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private function fromKebabCase($name) |
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{ |
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return str_replace('-', ' ', $name); |
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} |
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private function fromPascalCase($name) |
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{ |
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return preg_replace('/((?<=[^$])[A-Z0-9])/', ' $1', $name); |
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} |
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} |
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Wandu /
Framework
Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it.
The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production.
This check looks for comments that seem to be mostly valid code and reports them.