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<?php declare(strict_types=1); |
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namespace AlecRabbit\Cli\Tools; |
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use AlecRabbit\Cli\Tools\Core\Contracts\TerminalInterface; |
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use AlecRabbit\Cli\Tools\Core\TerminalStatic; |
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use const AlecRabbit\ALLOWED_COLOR_TERMINAL; |
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class Terminal implements TerminalInterface |
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{ |
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protected const MIN_WIDTH = 20; |
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protected const MAX_WIDTH = 280; |
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protected const MIN_HEIGHT = 20; |
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protected const MAX_HEIGHT = 80; |
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/** @var int */ |
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protected $width; |
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/** @var int */ |
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protected $height; |
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/** @var int */ |
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protected $color; |
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public function __construct(int $width = null, int $height = null, int $colorSupport = null) |
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{ |
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$this->width = $this->refineWidth($width); |
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$this->height = $this->refineHeight($height); |
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$this->color = $this->refineColorSupport($colorSupport); |
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} |
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/** |
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* @param int $width |
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* @return int |
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*/ |
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protected function refineWidth(?int $width): int |
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{ |
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$this->assertWidth($width); |
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return $width ?? TerminalStatic::width(); |
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} |
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protected function assertWidth(?int $width): void |
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{ |
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if (null !== $width && !$this->inRange($width, static::MIN_WIDTH, static::MAX_WIDTH)) { |
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throw new \RuntimeException('Terminal size bounds exceeded.'); |
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} |
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} |
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/** |
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* @param int $height |
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* @return int |
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*/ |
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protected function refineHeight(?int $height): int |
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{ |
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$this->assertHeight($height); |
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return $height ?? TerminalStatic::height(); |
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} |
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protected function assertHeight(?int $height): void |
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{ |
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if (null !== $height && !$this->inRange($height, static::MIN_HEIGHT, static::MAX_HEIGHT)) { |
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throw new \RuntimeException('Terminal size bounds exceeded.'); |
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} |
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} |
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/** |
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* @param int $colorSupport |
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* @return int |
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*/ |
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protected function refineColorSupport(?int $colorSupport): int |
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{ |
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$this->assertColorSupport($colorSupport); |
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return $colorSupport ?? TerminalStatic::colorSupport(); |
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} |
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/** |
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* @param int $colorSupport |
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*/ |
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protected function assertColorSupport(?int $colorSupport): void |
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{ |
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if (null !== $colorSupport && !\in_array($colorSupport, ALLOWED_COLOR_TERMINAL, true)) { |
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throw new \RuntimeException('Unknown color support level.'); |
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} |
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} |
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/** |
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* @return int |
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*/ |
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public function width(): int |
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{ |
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return $this->width; |
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} |
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/** |
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* @return int |
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*/ |
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public function height(): int |
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{ |
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return $this->height; |
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} |
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/** |
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* @return int |
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*/ |
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public function color(): int |
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{ |
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return $this->color; |
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} |
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/** |
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* @param int $value |
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* @param int $min |
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* @param int $max |
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* @return bool |
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*/ |
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protected function inRange(int $value, int $min, int $max): bool |
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{ |
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if ($min > $max) { |
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[$min, $max] = [$max, $min]; |
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} |
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return ($min <= $value && $value <= $max); |
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} |
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} |
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alecrabbit /
php-cli-tools
