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<?php |
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declare(strict_types=1); |
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namespace Seasx\SeasLogger; |
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use InvalidArgumentException; |
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/** |
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* Class ConsoleColor |
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* @package Seasx\SeasLogger |
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*/ |
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class ConsoleColor |
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{ |
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const FOREGROUND = 38, |
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BACKGROUND = 48; |
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const COLOR256_REGEXP = '~^(bg_)?color_([0-9]{1,3})$~'; |
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const RESET_STYLE = 0; |
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/** @var bool */ |
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private $isSupported; |
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/** @var bool */ |
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private $forceStyle = false; |
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/** @var array */ |
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private $styles = array( |
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'none' => null, |
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'bold' => '1', |
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'dark' => '2', |
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'italic' => '3', |
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'underline' => '4', |
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'blink' => '5', |
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'reverse' => '7', |
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'concealed' => '8', |
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'default' => '39', |
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'black' => '30', |
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'red' => '31', |
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'green' => '32', |
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'yellow' => '33', |
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'blue' => '34', |
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38
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'magenta' => '35', |
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'cyan' => '36', |
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'light_gray' => '37', |
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'dark_gray' => '90', |
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'light_red' => '91', |
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'light_green' => '92', |
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'light_yellow' => '93', |
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'light_blue' => '94', |
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'light_magenta' => '95', |
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'light_cyan' => '96', |
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48
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'white' => '97', |
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'bg_default' => '49', |
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'bg_black' => '40', |
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'bg_red' => '41', |
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'bg_green' => '42', |
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'bg_yellow' => '43', |
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'bg_blue' => '44', |
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'bg_magenta' => '45', |
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'bg_cyan' => '46', |
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'bg_light_gray' => '47', |
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'bg_dark_gray' => '100', |
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'bg_light_red' => '101', |
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'bg_light_green' => '102', |
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'bg_light_yellow' => '103', |
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'bg_light_blue' => '104', |
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'bg_light_magenta' => '105', |
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'bg_light_cyan' => '106', |
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'bg_white' => '107', |
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); |
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/** |
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* ConsoleColor constructor. |
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* @param bool $forceStyle |
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*/ |
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public function __construct(bool $forceStyle = true) |
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{ |
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$this->forceStyle = $forceStyle; |
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$this->isSupported = $this->isSupported(); |
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} |
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/** |
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* @return bool |
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*/ |
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public function isSupported(): bool |
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{ |
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if (DIRECTORY_SEPARATOR === '\\') { |
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if (function_exists('sapi_windows_vt100_support') && @sapi_windows_vt100_support(STDOUT)) { |
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return true; |
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} elseif (getenv('ANSICON') !== false || getenv('ConEmuANSI') === 'ON') { |
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return true; |
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} |
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return false; |
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} else { |
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return function_exists('posix_isatty') && @posix_isatty(STDOUT); |
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} |
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} |
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/** |
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* @param string $style |
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* @param string $text |
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* @return string |
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*/ |
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public function apply(string $style, string $text): string |
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{ |
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if (empty($style)) { |
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return $text; |
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} |
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if (!$this->isStyleForced() && !$this->isSupported()) { |
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return $text; |
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} |
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if ($this->isValidStyle($style)) { |
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$sequences = $this->styleSequence($style); |
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} else { |
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throw new InvalidArgumentException($style); |
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} |
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if (empty($sequences)) { |
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return $text; |
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} |
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return $this->escSequence($sequences) . $text . $this->escSequence((string)self::RESET_STYLE); |
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} |
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/** |
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* @return bool |
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*/ |
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public function isStyleForced(): bool |
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{ |
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return $this->forceStyle; |
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} |
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127
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/** |
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* @param string $style |
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* @return bool |
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*/ |
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private function isValidStyle(string $style): bool |
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{ |
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return array_key_exists($style, $this->styles) || preg_match(self::COLOR256_REGEXP, $style); |
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} |
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136
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/** |
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* @param string $style |
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* @return string |
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*/ |
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private function styleSequence(string $style): ?string |
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{ |
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if (array_key_exists($style, $this->styles)) { |
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return $this->styles[$style]; |
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} |
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if (!$this->are256ColorsSupported()) { |
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return null; |
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} |
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preg_match(self::COLOR256_REGEXP, $style, $matches); |
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$type = $matches[1] === 'bg_' ? self::BACKGROUND : self::FOREGROUND; |
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$value = $matches[2]; |
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return "$type;5;$value"; |
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} |
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154
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/** |
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* @return bool |
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*/ |
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public function are256ColorsSupported(): bool |
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{ |
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if (DIRECTORY_SEPARATOR === '\\') { |
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return function_exists('sapi_windows_vt100_support') && @sapi_windows_vt100_support(STDOUT); |
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} else { |
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return strpos(getenv('TERM'), '256color') !== false; |
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} |
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} |
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166
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/** |
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167
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* @param string|int $value |
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* @return string |
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*/ |
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private function escSequence(string $value): string |
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{ |
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return "\033[{$value}m"; |
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} |
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175
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/** |
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176
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* @param bool $forceStyle |
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*/ |
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public function setForceStyle(bool $forceStyle) |
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{ |
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$this->forceStyle = (bool)$forceStyle; |
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} |
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183
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/** |
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184
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* @return array |
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185
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*/ |
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public function getPossibleStyles(): array |
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{ |
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return array_keys($this->styles); |
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} |
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} |
SeasX /
seas-logger
