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<?php |
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declare(strict_types=1); |
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namespace Setherator\Variables; |
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use Closure; |
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use RuntimeException; |
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/** |
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* @author Aurimas Niekis <[email protected]> |
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*/ |
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class Variables |
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{ |
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protected static ?Variables $instance; |
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protected array $variables; |
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protected array $context; |
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/** @var ValueParserInterface[] */ |
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protected array $valueParsers; |
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public function __construct() |
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{ |
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static::$instance = $this; |
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$this->variables = []; |
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$this->context = []; |
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$this->valueParsers = []; |
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} |
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public function add(...$variables): self |
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{ |
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$this->variables = array_replace($this->variables, ...$variables); |
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return $this; |
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} |
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public function addValueParser(ValueParserInterface $valueParser): self |
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{ |
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$this->valueParsers[] = $valueParser; |
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return $this; |
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} |
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public function getContext(): array |
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{ |
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return $this->context; |
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} |
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public function setContext(array $context): self |
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{ |
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$this->context = $context; |
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return $this; |
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} |
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public static function getInstance(): self |
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{ |
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if (isset(static::$instance)) { |
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return static::$instance; |
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} |
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throw new RuntimeException(static::class . ' was not initialised yet'); |
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} |
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public function all(bool $compute = true): array |
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{ |
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if (false === $compute) { |
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return $this->variables; |
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} |
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$result = []; |
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foreach ($this->variables as $name => $value) { |
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$result[$name] = $this->get($name); |
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} |
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return $result; |
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} |
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public function names(): array |
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{ |
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return array_keys($this->variables); |
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} |
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public function set(string $key, $value): self |
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{ |
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$this->variables[$key] = $value; |
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return $this; |
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} |
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public function has(string $key): bool |
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{ |
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return array_key_exists($key, $this->variables); |
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} |
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public function remove(string $key): self |
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{ |
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unset($this->variables[$key]); |
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return $this; |
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} |
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public function getRaw(string $name, $default = null) |
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{ |
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if (false === isset($this->variables[$name])) { |
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return $default; |
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} |
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return $this->variables[$name]; |
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} |
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public function get(string $name, $default = null) |
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{ |
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if (false === isset($this->variables[$name])) { |
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return $this->parseValue($default); |
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} |
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$value = $this->variables[$name]; |
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if ($value instanceof NonCacheableClosure) { |
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return $this->parseValue($value); |
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} |
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$this->variables[$name] = $this->parseValue($value); |
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return $this->variables[$name]; |
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} |
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public function parseValue($value) |
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{ |
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if ($value instanceof Closure || $value instanceof NonCacheableClosure) { |
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return $this->parseValue($value()); |
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} |
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foreach ($this->valueParsers as $valueParser) { |
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if (true === $valueParser->supports($value)) { |
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return $this->parseValue( |
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$valueParser->parseValue($value, $this) |
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); |
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} |
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} |
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return $value; |
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} |
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} |
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setherator /
variables
