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<?php |
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namespace Cerbero\LaravelEnum; |
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use Closure; |
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/** |
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* The enums parser. |
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* |
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*/ |
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class Parser |
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{ |
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const SEPARATOR_ENUM = '|'; |
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const SEPARATOR_PART = '='; |
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/** |
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* Parse the enums definition |
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* |
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* @param string $definition |
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* @param \Cerbero\LaravelEnum\Keys|null $keys |
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* @return array |
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*/ |
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public function parseDefinition(string $definition, Keys $keys = null) : array |
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{ |
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$resolveKeys = optional($keys)->value(); |
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$enums = explode(static::SEPARATOR_ENUM, $definition); |
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return array_map(function (string $enum) use ($resolveKeys) { |
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$parts = explode(static::SEPARATOR_PART, $enum); |
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return $this->hydrateEnumDefinition($parts, $resolveKeys); |
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}, $enums); |
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} |
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/** |
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* Retrieve the hydrated enum definition |
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* |
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* @param array $parts |
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* @param \Closure|null $resolveKeys |
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* @return EnumDefinition |
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*/ |
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private function hydrateEnumDefinition(array $parts, Closure $resolveKeys = null) : EnumDefinition |
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{ |
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$enum = new EnumDefinition; |
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$enum->name = $parts[0]; |
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if ($resolveKeys) { |
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$enum->key = $resolveKeys($parts[0]); |
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$enum->value = isset($parts[2]) ? $this->parseValue($parts[2]) : $this->parseValue($parts[1] ?? null); |
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} else { |
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$enum->key = isset($parts[1]) ? $this->parseValue($parts[1]) : Keys::LOWER()->value()($parts[0]); |
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$enum->value = $this->parseValue($parts[2] ?? null); |
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} |
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return $enum; |
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} |
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/** |
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* Parse the given variable to retrieve its actual value |
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* |
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* @param mixed $value |
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* @return mixed |
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*/ |
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public function parseValue($value) |
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{ |
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if ($value === null || $value === '') { |
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return null; |
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} |
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// Return floats, integers, booleans or arrays if possible |
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if (null !== $decoded = json_decode($value, true)) { |
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return $decoded; |
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} |
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return $value; |
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} |
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} |
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cerbero90 /
laravel-enum
