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<?php declare(strict_types=1); |
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namespace AlecRabbit\Tools\Spinner\Core; |
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use AlecRabbit\Accessories\Circular; |
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use AlecRabbit\ConsoleColour\Terminal; |
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use AlecRabbit\Tools\Contracts\Strings; |
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use AlecRabbit\Tools\Spinner\Contracts\SpinnerInterface; |
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abstract class AbstractSpinner implements SpinnerInterface |
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{ |
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protected const PADDING_STR = ' '; |
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/** @var Circular */ |
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protected $spinnerSymbols; |
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/** @var null|Circular */ |
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protected $styles; |
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/** @var string */ |
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protected $str; |
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/** @var string */ |
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protected $resetStr; |
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/** @var \Closure */ |
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protected $style; |
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public function __construct(string $str = '', string $prefix = ' ', string $suffix = '...') |
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{ |
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$this->spinnerSymbols = $this->getSymbols(); |
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$this->styles = $this->getStyles(); |
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$this->str = $this->refineStr($str, $prefix, $suffix); |
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$strLen = strlen($this->str . static::PADDING_STR) + 2; |
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$this->resetStr = Strings::ESC . "[{$strLen}D"; |
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$this->style = $this->getStyle(); |
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} |
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/** |
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* @return Circular |
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*/ |
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abstract protected function getSymbols(): Circular; |
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protected function getStyles(): ?Circular |
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{ |
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$terminal = new Terminal(); |
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if ($terminal->supports256Color()) { |
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return new Circular([ |
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'38;5;197', |
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'38;5;198', |
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'38;5;199', |
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'38;5;200', |
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'38;5;201', |
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'38;5;202', |
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'38;5;203', |
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'38;5;204', |
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'38;5;205', |
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]); |
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} |
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if ($terminal->supportsColor()) { |
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return new Circular([ |
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'96', |
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]); |
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} |
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return null; |
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} |
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/** |
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* @param string $str |
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* @param string $prefix |
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* @param string $suffix |
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* @return string |
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*/ |
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protected function refineStr(string $str, string $prefix, string $suffix): string |
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{ |
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return $prefix . $str . $suffix; |
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} |
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/** |
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* @return \Closure |
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*/ |
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protected function getStyle(): \Closure |
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{ |
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if (null === $this->styles) { |
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return |
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function (): string { |
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return static::PADDING_STR . $this->spinnerSymbols->value(); |
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}; |
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} else { |
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return |
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function (): string { |
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return |
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static::PADDING_STR . |
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Strings::ESC . |
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"[{$this->styles->value()}m{$this->spinnerSymbols->value()}" . |
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Strings::ESC . '[0m'; |
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}; |
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} |
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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->work() . $this->resetStr; |
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} |
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protected function work(): string |
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{ |
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return ($this->style)() . $this->str; |
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} |
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/** {@inheritDoc} */ |
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public function spin(): string |
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{ |
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return $this->work() . $this->resetStr; |
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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->resetStr . Strings::ESC . '[K'; |
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} |
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} |
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alecrabbit /
php-simple-profiler
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