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<?php declare(strict_types=1); |
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namespace AlecRabbit\Spinner\Core; |
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use AlecRabbit\Accessories\Pretty; |
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use AlecRabbit\ConsoleColour\ConsoleColor; |
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use AlecRabbit\Spinner\Contracts\SpinnerInterface; |
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abstract class AbstractSpinner implements SpinnerInterface |
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{ |
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protected const ERASING_SHIFT = 1; |
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protected const INTERVAL = 0.1; |
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/** @var string */ |
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protected $messageStr; |
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/** @var string */ |
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protected $percentStr = ''; |
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/** @var string */ |
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protected $moveBackSequenceStr; |
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/** @var string */ |
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protected $paddingStr; |
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/** @var string */ |
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protected $eraseBySpacesStr; |
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/** @var Styling */ |
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protected $styled; |
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public function __construct( |
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?string $message = null, |
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?string $prefix = null, |
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?string $suffix = null, |
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?string $paddingStr = null |
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) { |
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$this->paddingStr = $paddingStr ?? SpinnerInterface::PADDING_EMPTY; |
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$this->messageStr = $this->refineMessage($message, $prefix, $suffix); |
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$this->setFields(); |
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$this->styled = new Styling($this->getSymbols(), $this->getStyles()); |
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} |
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/** |
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* @param null|string $message |
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* @param null|string $prefix |
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* @param null|string $suffix |
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* @return string |
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*/ |
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protected function refineMessage(?string $message, ?string $prefix, ?string $suffix): string |
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{ |
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$message = ucfirst($message ?? SpinnerInterface::DEFAULT_MESSAGE); |
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$prefix = empty($message) ? '' : $prefix ?? SpinnerInterface::DEFAULT_PREFIX; |
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$suffix = $suffix ?? (empty($message) ? '' : SpinnerInterface::DEFAULT_SUFFIX); |
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return $prefix . $message . $suffix; |
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} |
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protected function setFields(): void |
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{ |
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$strLen = |
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strlen($this->message()) + strlen($this->percent()) + strlen($this->paddingStr) + static::ERASING_SHIFT; |
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$this->moveBackSequenceStr = ConsoleColor::ESC_CHAR . "[{$strLen}D"; |
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$this->eraseBySpacesStr = str_repeat(' ', $strLen); |
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} |
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/** |
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* @return string |
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*/ |
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protected function message(): string |
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{ |
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return $this->messageStr; |
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} |
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/** |
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* @return string |
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*/ |
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protected function percent(): string |
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{ |
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return $this->percentStr; |
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} |
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/** |
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* @return array |
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*/ |
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abstract protected function getSymbols(): array; |
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public function interval(): float |
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{ |
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return static::INTERVAL; |
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} |
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protected function getStyles(): array |
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{ |
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return [ |
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Styling::COLOR256_SPINNER_STYLES => [ |
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'203', |
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'209', |
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'215', |
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'221', |
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'227', |
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'191', |
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'155', |
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'119', |
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'83', |
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'84', |
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'85', |
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'86', |
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'87', |
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'81', |
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'75', |
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'69', |
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'63', |
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'99', |
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'135', |
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'171', |
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'207', |
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'206', |
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'205', |
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'204', |
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], |
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Styling::COLOR_SPINNER_STYLES => ['96'], |
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]; |
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} |
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public function inline(bool $inline): SpinnerInterface |
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{ |
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$this->paddingStr = $inline ? SpinnerInterface::PADDING_SPACE_SYMBOL : SpinnerInterface::PADDING_EMPTY; |
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$this->setFields(); |
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return $this; |
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} |
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/** {@inheritDoc} */ |
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public function begin(): string |
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{ |
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return $this->spin(); |
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} |
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/** {@inheritDoc} */ |
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public function spin(?float $percent = null): string |
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{ |
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if (null !== $percent) { |
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$this->updatePercent($percent); |
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} |
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return |
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$this->paddingStr . |
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$this->styled->spinner() . |
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$this->styled->message( |
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$this->message() |
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) . |
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$this->styled->percent( |
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$this->percent() |
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) . |
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$this->moveBackSequenceStr; |
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} |
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/** |
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* @param float $percent |
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*/ |
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protected function updatePercent(float $percent): void |
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{ |
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if (0 === (int)($percent * 1000) % 10) { |
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$this->percentStr = Pretty::percent($percent, 0, ' '); |
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$this->setFields(); |
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} |
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} |
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/** {@inheritDoc} */ |
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public function end(): string |
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{ |
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return $this->erase(); |
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} |
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/** {@inheritDoc} */ |
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public function erase(): string |
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{ |
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return $this->eraseBySpacesStr . $this->moveBackSequenceStr; |
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} |
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} |
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alecrabbit /
php-console-spinner
