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<?php |
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declare (strict_types=1); |
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namespace HumbugBox451\KevinGH\RequirementChecker; |
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use function fstat; |
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use function function_exists; |
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use function getenv; |
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use function implode; |
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use function posix_isatty; |
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use function preg_match; |
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use function preg_quote; |
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use function sapi_windows_vt100_support; |
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use function sprintf; |
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use function str_replace; |
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use function stream_isatty; |
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use const DIRECTORY_SEPARATOR; |
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use const STDOUT; |
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/** @internal */ |
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final class IO |
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{ |
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public const VERBOSITY_QUIET = 16; |
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public const VERBOSITY_NORMAL = 32; |
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public const VERBOSITY_VERBOSE = 64; |
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public const VERBOSITY_VERY_VERBOSE = 128; |
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public const VERBOSITY_DEBUG = 256; |
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private $interactive; |
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private $verbosity = self::VERBOSITY_NORMAL; |
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private $colorSupport; |
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private $options; |
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public function __construct() |
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{ |
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$this->options = implode(' ', $_SERVER['argv']); |
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$shellVerbosity = $this->configureVerbosity(); |
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$this->interactive = $this->checkInteractivity($shellVerbosity); |
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$this->colorSupport = $this->checkColorSupport(); |
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} |
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public function isInteractive() : bool |
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{ |
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return $this->interactive; |
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} |
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public function getVerbosity() : int |
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{ |
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return $this->verbosity; |
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} |
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public function hasColorSupport() : bool |
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{ |
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return $this->colorSupport; |
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} |
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public function hasParameter($values) : bool |
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{ |
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$values = (array) $values; |
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foreach ($values as $value) { |
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$regexp = sprintf('/\\s%s\\b/', str_replace(' ', '\\s+', preg_quote($value, '/'))); |
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if (1 === preg_match($regexp, $this->options)) { |
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return \true; |
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} |
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} |
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return \false; |
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} |
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private function checkInteractivity(int $shellVerbosity) : bool |
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{ |
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if (-1 === $shellVerbosity) { |
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return \false; |
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} |
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if (\true === $this->hasParameter(['--no-interaction', '-n'])) { |
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return \false; |
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} |
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if (function_exists('posix_isatty') && !@posix_isatty(STDOUT) && \false === getenv('SHELL_INTERACTIVE')) { |
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return \false; |
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} |
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return \true; |
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} |
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private function configureVerbosity() : int |
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{ |
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switch ($shellVerbosity = (int) getenv('SHELL_VERBOSITY')) { |
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case -1: |
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$this->verbosity = self::VERBOSITY_QUIET; |
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break; |
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case 1: |
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$this->verbosity = self::VERBOSITY_VERBOSE; |
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break; |
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case 2: |
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$this->verbosity = self::VERBOSITY_VERY_VERBOSE; |
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break; |
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case 3: |
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$this->verbosity = self::VERBOSITY_DEBUG; |
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break; |
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default: |
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$shellVerbosity = 0; |
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break; |
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} |
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if ($this->hasParameter(['--quiet', '-q'])) { |
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$this->verbosity = self::VERBOSITY_QUIET; |
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$shellVerbosity = -1; |
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} elseif ($this->hasParameter(['-vvv', '--verbose=3', '--verbose 3'])) { |
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$this->verbosity = self::VERBOSITY_DEBUG; |
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$shellVerbosity = 3; |
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} elseif ($this->hasParameter(['-vv', '--verbose=2', '--verbose 2'])) { |
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$this->verbosity = self::VERBOSITY_VERY_VERBOSE; |
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$shellVerbosity = 2; |
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} elseif ($this->hasParameter(['-v', '--verbose=1', '--verbose 1', '--verbose'])) { |
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$this->verbosity = self::VERBOSITY_VERBOSE; |
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$shellVerbosity = 1; |
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} |
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return $shellVerbosity; |
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} |
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private function checkColorSupport() : bool |
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{ |
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if ($this->hasParameter(['--ansi'])) { |
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return \true; |
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} |
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if ($this->hasParameter(['--no-ansi'])) { |
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return \false; |
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} |
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if (DIRECTORY_SEPARATOR === '\\') { |
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return function_exists('sapi_windows_vt100_support') && sapi_windows_vt100_support(STDOUT) || \false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI') || 'xterm' === getenv('TERM'); |
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} |
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if (function_exists('stream_isatty')) { |
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return stream_isatty(STDOUT); |
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} |
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if (function_exists('posix_isatty')) { |
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return posix_isatty(STDOUT); |
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} |
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$stat = fstat(STDOUT); |
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return $stat ? 020000 === ($stat['mode'] & 0170000) : \false; |
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} |
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} |
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humbug /
box
