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<?php |
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declare(strict_types=1); |
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namespace AlecRabbit\Snake; |
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use AlecRabbit\Snake\Contracts\Color; |
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use AlecRabbit\Snake\Core\Driver; |
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class Spinner |
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{ |
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private const CHARS = ['⠏', '⠛', '⠹', '⢸', '⣰', '⣤', '⣆', '⡇']; |
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private const COLORS = [ |
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196, |
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196, |
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202, |
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202, |
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208, |
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208, |
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214, |
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214, |
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220, |
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220, |
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226, |
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226, |
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190, |
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190, |
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154, |
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154, |
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118, |
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118, |
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82, |
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82, |
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46, |
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46, |
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47, |
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47, |
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48, |
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51, |
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39, |
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33, |
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33, |
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27, |
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27, |
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56, |
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56, |
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57, |
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57, |
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93, |
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93, |
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129, |
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129, |
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165, |
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165, |
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201, |
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201, |
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200, |
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200, |
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199, |
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199, |
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198, |
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198, |
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197, |
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197, |
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]; |
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/** @var Driver */ |
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private $driver; |
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/** @var int */ |
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private $currentCharIdx = 0; |
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/** @var int */ |
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private $currentColorIdx = 0; |
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/** @var int */ |
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private $framesCount; |
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/** @var int */ |
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private $colorCount; |
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/** @var bool */ |
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private $enabled; |
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5 |
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public function __construct(int $colorLevel = Color::COLOR_256) |
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{ |
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5 |
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$this->enabled = $colorLevel >= Color::NO_COLOR; |
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5 |
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$this->driver = new Driver($colorLevel); |
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3 |
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$this->framesCount = count(self::CHARS); |
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3 |
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$this->colorCount = count(self::COLORS); |
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3 |
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} |
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3 |
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public function spin(): void |
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{ |
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3 |
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if (!$this->enabled) { |
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2 |
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return; |
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} |
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1 |
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$this->driver->write( |
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1 |
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$this->driver->eraseSequence(), |
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1 |
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$this->driver->frameSequence( |
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1 |
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self::COLORS[$this->currentColorIdx], |
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1 |
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self::CHARS[$this->currentCharIdx] |
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), |
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1 |
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$this->driver->moveBackSequence() |
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); |
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1 |
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$this->update(); |
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1 |
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} |
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1 |
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private function update(): void |
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{ |
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1 |
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if (++$this->currentCharIdx === $this->framesCount) { |
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$this->currentCharIdx = 0; |
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} |
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if (++$this->currentColorIdx === $this->colorCount) { |
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$this->currentColorIdx = 0; |
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} |
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1 |
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} |
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/** |
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* Returns spinner refresh interval |
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* @return float |
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*/ |
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3 |
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public function interval(): float |
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{ |
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3 |
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return 0.1; |
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} |
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3 |
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public function begin(): void |
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{ |
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3 |
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if (!$this->enabled) { |
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2 |
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return; |
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} |
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1 |
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$this->driver->hideCursor(); |
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1 |
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} |
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3 |
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public function end(): void |
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{ |
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3 |
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if (!$this->enabled) { |
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2 |
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return; |
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} |
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1 |
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$this->erase(); |
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1 |
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$this->driver->showCursor(); |
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1 |
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} |
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149
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1 |
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public function erase(): void |
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{ |
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1 |
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if (!$this->enabled) { |
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return; |
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} |
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1 |
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$this->driver->write( |
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1 |
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$this->driver->eraseSequence() |
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); |
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1 |
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} |
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158
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159
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public function useStdOut(): void |
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160
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{ |
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if (!$this->enabled) { |
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return; |
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} |
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$this->driver->useStdOut(); |
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// $this->driver->disableStdErr(); |
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} |
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168
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1 |
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public function disable(): void |
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169
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{ |
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1 |
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$this->enabled = false; |
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1 |
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} |
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172
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173
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/** |
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174
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* @return bool |
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175
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*/ |
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176
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3 |
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public function isEnabled(): bool |
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177
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{ |
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178
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3 |
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return $this->enabled; |
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179
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} |
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180
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} |
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181
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alecrabbit /
php-cli-snake
