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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 MessageJuggler implements JugglerInterface |
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{ |
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/** @var string */ |
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protected $messagePrefix = Defaults::EMPTY_STRING; |
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/** @var string */ |
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protected $message; |
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/** @var string */ |
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protected $messageSuffix = Defaults::EMPTY_STRING; |
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/** @var string */ |
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protected $spacer = Defaults::ONE_SPACE_SYMBOL; |
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/** @var int */ |
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protected $erasingLength; |
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/** @var string */ |
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protected $frameString; |
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/** @var int */ |
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protected $frameStringErasingLength; |
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/** @var int */ |
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protected $erasingLengthDelta; |
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/** @var Circular */ |
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protected $style; |
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public function __construct(string $message, int $erasingLength = null, Circular $style = null) |
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{ |
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$this->style = $style ?? new Circular(['%s',]); |
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$this->updateMessage($message, $erasingLength); |
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} |
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/** |
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* @param string $message |
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* @param null|int $erasingLength |
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*/ |
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protected function updateMessage(string $message, ?int $erasingLength): void |
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{ |
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$this->message = $this->refineMessage($message); |
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if (Defaults::EMPTY_STRING === $this->message) { |
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$this->erasingLengthDelta = $this->getMessageFullLength(); |
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$this->erasingLength = 0; |
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$this->spacer = Defaults::EMPTY_STRING; |
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$this->messagePrefix = Defaults::DEFAULT_PREFIX; |
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$this->messageSuffix = Defaults::EMPTY_STRING; |
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} else { |
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$erasingLength = $this->refineErasingLen($this->message, $erasingLength); |
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$this->erasingLengthDelta = $this->getMessageFullLength() - $erasingLength; |
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$this->erasingLength = $erasingLength; |
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$this->spacer = Defaults::ONE_SPACE_SYMBOL; |
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$this->messagePrefix = Defaults::DEFAULT_PREFIX; |
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$this->messageSuffix = Defaults::DEFAULT_SUFFIX; |
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} |
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$this->frameString = |
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$this->messagePrefix . $this->message . $this->messageSuffix . $this->spacer; |
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$this->frameStringErasingLength = |
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strlen($this->spacer . $this->messagePrefix . $this->messageSuffix) + $this->erasingLength; |
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} |
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/** |
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* @param string $message |
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* @return string |
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*/ |
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protected function refineMessage(string $message): string |
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{ |
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return ucfirst($message); |
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} |
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/** |
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* @return int |
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*/ |
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protected function getMessageFullLength(): int |
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{ |
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return strlen($this->messagePrefix) + $this->erasingLength + strlen($this->messageSuffix); |
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} |
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/** |
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* @param string $message |
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* @param null|int $erasingLength |
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* @return int |
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*/ |
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protected function refineErasingLen(string $message, ?int $erasingLength): int |
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{ |
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if (null === $erasingLength) { |
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return Calculator::computeErasingLength([$message]); |
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} |
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return $erasingLength; |
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} |
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/** |
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* @param string $message |
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* @param null|int $erasingLength |
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*/ |
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public function setMessage(string $message, ?int $erasingLength = null): void |
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{ |
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$this->updateMessage($message, $erasingLength); |
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} |
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/** {@inheritDoc} */ |
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public function getStyledFrame(): string |
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{ |
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return |
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sprintf((string)$this->style->value(), $this->frameString); |
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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->frameStringErasingLength; |
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} |
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} |
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alecrabbit /
php-console-spinner
