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<?php |
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namespace Cerbero\LaravelEnum; |
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/** |
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* The stub assembler. |
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* |
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*/ |
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class StubAssembler |
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{ |
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/** |
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* The stub to assemble. |
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* |
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* @var string |
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*/ |
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protected $stub; |
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/** |
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* The list of enum definitions. |
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* |
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* @var array |
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*/ |
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protected $enums; |
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/** |
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* Set the dependencies. |
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* |
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* @param string $stub |
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* @param array $enums |
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*/ |
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public function __construct(string $stub, array $enums) |
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{ |
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$this->stub = $stub; |
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$this->enums = $enums; |
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} |
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/** |
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* Retrieve the stub |
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* |
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* @return string |
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*/ |
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public function getStub() : string |
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{ |
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return $this->stub; |
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} |
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/** |
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* Replace the PHPDoc method tags for the given stub |
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* |
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* @return self |
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*/ |
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public function replaceMethodTags() : self |
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{ |
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$methods = array_map(function (EnumDefinition $enum) { |
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return " * @method static self {$enum->name}()"; |
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}, $this->enums); |
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$this->stub = str_replace('DummyMethodTags', implode(PHP_EOL, $methods), $this->stub); |
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return $this; |
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} |
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/** |
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* Replace the constants for the given stub |
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* |
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* @return self |
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*/ |
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public function replaceConstants() : self |
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{ |
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$padding = 4; |
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$constants = array_map(function (EnumDefinition $enum) use ($padding) { |
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$key = $this->export($enum->key, $padding); |
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return str_repeat(' ', $padding) . "const {$enum->name} = {$key};"; |
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}, $this->enums); |
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$this->stub = str_replace('DummyConstants', implode(PHP_EOL, $constants), $this->stub); |
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return $this; |
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} |
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/** |
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* Format the given item to an exportable string. |
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* |
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* @param mixed $item |
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* @param int $initialPadding |
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* @param int $incrementalPadding |
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* @return mixed |
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*/ |
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private function export($item, int $initialPadding = 0, int $incrementalPadding = 4) |
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{ |
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if (is_null($item)) { |
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return 'null'; |
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} |
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if (is_bool($item)) { |
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return $item ? 'true' : 'false'; |
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} |
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if (is_string($item)) { |
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return "'{$item}'"; |
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} |
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if (!is_array($item)) { |
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return $item; |
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} |
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// Format arrays with squared brackets and custom indentation |
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$padding = $initialPadding + $incrementalPadding; |
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$indentation = str_repeat(' ', $padding); |
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$exported = []; |
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foreach ($item as $key => $value) { |
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$exportedKey = is_int($key) ? '' : "'{$key}' => "; |
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$exportedValue = $this->export($value, $padding, $incrementalPadding); |
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$exported[] = $indentation . $exportedKey . $exportedValue; |
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} |
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return "[\n" . implode(",\n", $exported) . ",\n" . str_repeat(' ', $initialPadding) . ']'; |
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} |
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/** |
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* Replace the map for the given stub |
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* |
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* @return self |
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*/ |
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public function replaceMap() : self |
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{ |
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// Map enums key and value pairs only if enums have values |
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if ($this->enumsHaveValues()) { |
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$mapStub = file_get_contents(__DIR__ . '/../stubs/map.stub'); |
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$this->stub = str_replace('DummyMap', $mapStub, $this->stub); |
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$this->replaceMapPairs(); |
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} else { |
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$this->stub = str_replace('DummyMap', '', $this->stub); |
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} |
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return $this; |
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} |
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/** |
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* Determine whether the given enums contain values |
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* |
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* @return bool |
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*/ |
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private function enumsHaveValues() : bool |
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{ |
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foreach ($this->enums as $enum) { |
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if ($enum->value !== null) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Replace the enums key and value pairs |
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* |
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* @return self |
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*/ |
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public function replaceMapPairs() : self |
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{ |
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$padding = 12; |
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$pairs = array_map(function (EnumDefinition $enum) use ($padding) { |
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$value = $this->export($enum->value, $padding); |
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return str_repeat(' ', $padding) . "static::{$enum->name} => {$value},"; |
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}, $this->enums); |
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$this->stub = str_replace('DummyKeyValuePairs', implode(PHP_EOL, $pairs), $this->stub); |
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return $this; |
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} |
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} |
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cerbero90 /
laravel-enum
