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Direktori : /home2/selectio/www/3-idiots/vendor/nunomaduro/collision/src/ |
Current File : /home2/selectio/www/3-idiots/vendor/nunomaduro/collision/src/ConsoleColor.php |
<?php declare(strict_types=1); namespace NunoMaduro\Collision; use NunoMaduro\Collision\Exceptions\InvalidStyleException; use NunoMaduro\Collision\Exceptions\ShouldNotHappen; /** * @internal */ final class ConsoleColor { public const FOREGROUND = 38; public const BACKGROUND = 48; public const COLOR256_REGEXP = '~^(bg_)?color_(\d{1,3})$~'; public const RESET_STYLE = 0; /** @var bool */ private $isSupported; /** @var bool */ private $forceStyle = false; /** @var array */ private const STYLES = [ 'none' => null, 'bold' => '1', 'dark' => '2', 'italic' => '3', 'underline' => '4', 'blink' => '5', 'reverse' => '7', 'concealed' => '8', 'default' => '39', 'black' => '30', 'red' => '31', 'green' => '32', 'yellow' => '33', 'blue' => '34', 'magenta' => '35', 'cyan' => '36', 'light_gray' => '37', 'dark_gray' => '90', 'light_red' => '91', 'light_green' => '92', 'light_yellow' => '93', 'light_blue' => '94', 'light_magenta' => '95', 'light_cyan' => '96', 'white' => '97', 'bg_default' => '49', 'bg_black' => '40', 'bg_red' => '41', 'bg_green' => '42', 'bg_yellow' => '43', 'bg_blue' => '44', 'bg_magenta' => '45', 'bg_cyan' => '46', 'bg_light_gray' => '47', 'bg_dark_gray' => '100', 'bg_light_red' => '101', 'bg_light_green' => '102', 'bg_light_yellow' => '103', 'bg_light_blue' => '104', 'bg_light_magenta' => '105', 'bg_light_cyan' => '106', 'bg_white' => '107', ]; /** @var array */ private $themes = []; public function __construct() { $this->isSupported = $this->isSupported(); } /** * @param string|array $style * @param string $text * * @return string * * @throws InvalidStyleException * @throws \InvalidArgumentException */ public function apply($style, $text) { if (!$this->isStyleForced() && !$this->isSupported()) { return $text; } if (is_string($style)) { $style = [$style]; } if (!is_array($style)) { throw new \InvalidArgumentException('Style must be string or array.'); } $sequences = []; foreach ($style as $s) { if (isset($this->themes[$s])) { $sequences = array_merge($sequences, $this->themeSequence($s)); } elseif ($this->isValidStyle($s)) { $sequences[] = $this->styleSequence($s); } else { throw new ShouldNotHappen(); } } $sequences = array_filter($sequences, function ($val) { return $val !== null; }); if (empty($sequences)) { return $text; } return $this->escSequence(implode(';', $sequences)) . $text . $this->escSequence(self::RESET_STYLE); } /** * @param bool $forceStyle */ public function setForceStyle($forceStyle) { $this->forceStyle = $forceStyle; } /** * @return bool */ public function isStyleForced() { return $this->forceStyle; } public function setThemes(array $themes) { $this->themes = []; foreach ($themes as $name => $styles) { $this->addTheme($name, $styles); } } /** * @param string $name * @param array|string $styles */ public function addTheme($name, $styles) { if (is_string($styles)) { $styles = [$styles]; } if (!is_array($styles)) { throw new \InvalidArgumentException('Style must be string or array.'); } foreach ($styles as $style) { if (!$this->isValidStyle($style)) { throw new InvalidStyleException($style); } } $this->themes[$name] = $styles; } /** * @return array */ public function getThemes() { return $this->themes; } /** * @param string $name * * @return bool */ public function hasTheme($name) { return isset($this->themes[$name]); } /** * @param string $name */ public function removeTheme($name) { unset($this->themes[$name]); } /** * @return bool */ public function isSupported() { // The COLLISION_FORCE_COLORS variable is for internal purposes only if (getenv('COLLISION_FORCE_COLORS') !== false) { return true; } if (DIRECTORY_SEPARATOR === '\\') { return getenv('ANSICON') !== false || getenv('ConEmuANSI') === 'ON'; } return function_exists('posix_isatty') && @posix_isatty(STDOUT); } /** * @return bool */ public function are256ColorsSupported() { if (DIRECTORY_SEPARATOR === '\\') { return function_exists('sapi_windows_vt100_support') && @sapi_windows_vt100_support(STDOUT); } return strpos(getenv('TERM'), '256color') !== false; } /** * @return array */ public function getPossibleStyles() { return array_keys(self::STYLES); } /** * @param string $name * * @return string[] */ private function themeSequence($name) { $sequences = []; foreach ($this->themes[$name] as $style) { $sequences[] = $this->styleSequence($style); } return $sequences; } /** * @param string $style * * @return string */ private function styleSequence($style) { if (array_key_exists($style, self::STYLES)) { return self::STYLES[$style]; } if (!$this->are256ColorsSupported()) { return null; } preg_match(self::COLOR256_REGEXP, $style, $matches); $type = $matches[1] === 'bg_' ? self::BACKGROUND : self::FOREGROUND; $value = $matches[2]; return "$type;5;$value"; } /** * @param string $style * * @return bool */ private function isValidStyle($style) { return array_key_exists($style, self::STYLES) || preg_match(self::COLOR256_REGEXP, $style); } /** * @param string|int $value * * @return string */ private function escSequence($value) { return "\033[{$value}m"; } }