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<?php declare(strict_types=1); |
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namespace AlecRabbit\Spinner\Core\Jugglers; |
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use AlecRabbit\Accessories\Circular; |
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use AlecRabbit\Spinner\Core\Calculator; |
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use AlecRabbit\Spinner\Core\Jugglers\Contracts\JugglerInterface; |
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use AlecRabbit\Spinner\Settings\Contracts\Defaults; |
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class FrameJuggler implements JugglerInterface |
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{ |
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/** @var Circular */ |
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protected $frames; |
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/** @var Circular */ |
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protected $style; |
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/** @var int */ |
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protected $erasingLength; |
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/** @var string */ |
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protected $spacer = Defaults::ONE_SPACE_SYMBOL; |
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public function __construct(array $frames, Circular $style = null) |
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{ |
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$this->assertFrames($frames); |
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$this->frames = new Circular($frames); |
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$this->style = $style ?? new Circular(['%s',]); |
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$this->erasingLength = Calculator::computeErasingLength($frames) + strlen($this->spacer); |
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} |
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/** |
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* @param array $frames |
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*/ |
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protected function assertFrames(array $frames): void |
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{ |
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if (Defaults::MAX_FRAMES_COUNT < $count = count($frames)) { |
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throw new \InvalidArgumentException( |
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sprintf('Frames count limit [%s] exceeded: [%s].', Defaults::MAX_FRAMES_COUNT, $count) |
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); |
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} |
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foreach ($frames as $frame) { |
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$this->assertFrame($frame); |
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} |
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} |
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/** {@inheritDoc} */ |
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public function getStyledFrame(): string |
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{ |
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return |
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sprintf((string)$this->style->value(), $this->frames->value() . $this->spacer); |
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} |
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/** {@inheritDoc} */ |
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public function getFrameErasingLength(): int |
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{ |
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return $this->erasingLength; |
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} |
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/** |
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* @param mixed $frame |
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*/ |
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protected function assertFrame($frame): void |
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{ |
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if (!\is_string($frame)) { |
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throw new \InvalidArgumentException('All frames should be of string type.'); |
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} |
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if (Defaults::MAX_FRAME_LENGTH < $length = mb_strlen($frame)) { |
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throw new \InvalidArgumentException( |
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sprintf( |
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'Single frame max length [%s] exceeded [%s]', |
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Defaults::MAX_FRAME_LENGTH, |
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$length |
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) |
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); |
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} |
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} |
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} |
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alecrabbit /
php-console-spinner
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