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<?php |
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/* |
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* This file is part of the box project. |
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* |
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* (c) Kevin Herrera <[email protected]> |
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* Théo Fidry <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace KevinGH\Box\RequirementChecker; |
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/** |
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* The code in this file must be PHP 5.3+ compatible as is used to know if the application can be run. |
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* |
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* @private |
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*/ |
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final class IO |
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{ |
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const VERBOSITY_QUIET = 16; |
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const VERBOSITY_NORMAL = 32; |
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const VERBOSITY_VERBOSE = 64; |
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const VERBOSITY_VERY_VERBOSE = 128; |
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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->parseInput(); |
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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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/** |
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* @return bool |
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*/ |
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public function isInteractive() |
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{ |
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return $this->interactive; |
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} |
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/** |
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* @return int |
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*/ |
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public function getVerbosity() |
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{ |
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return $this->verbosity; |
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} |
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/** |
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* @param int $verbosity |
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*/ |
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public function setVerbosity($verbosity) |
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{ |
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$this->verbosity = $verbosity; |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasColorSupport() |
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{ |
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return $this->colorSupport; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasParameter($values) |
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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( |
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'/\s%s\b/', |
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str_replace(' ', '\s+', preg_quote($value, '/')) |
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); |
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if (preg_match($regexp, $this->options) === 1) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @return array |
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*/ |
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private function parseInput() |
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{ |
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$this->options = implode(' ', $_SERVER['argv']); |
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} |
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/** |
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* @param int $shellVerbosity |
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* |
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* @return bool |
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*/ |
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private function checkInteractivity($shellVerbosity) |
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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 === $this->hasParameter(array('--no-interaction', '-n'))) { |
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return false; |
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} |
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if (function_exists('posix_isatty')) { |
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if (!@posix_isatty(STDOUT) && false === getenv('SHELL_INTERACTIVE')) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @return int |
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*/ |
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private function configureVerbosity() |
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{ |
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switch ($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(array('--quiet', '-q'))) { |
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$this->verbosity = self::VERBOSITY_QUIET; |
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$shellVerbosity = -1; |
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} else { |
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if ($this->hasParameter(array('-vvv', '--verbose=3', '--verbose 3'))) { |
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$this->verbosity = self::VERBOSITY_DEBUG; |
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$shellVerbosity = 3; |
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} elseif ($this->hasParameter(array('-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 ($this->hasParameter(array('-v', '--verbose=1', '--verbose 1', '--verbose'))) { |
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$this->verbosity = self::VERBOSITY_VERBOSE; |
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$shellVerbosity = 1; |
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} |
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} |
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return $shellVerbosity; |
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} |
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/** |
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* Returns true if the stream supports colorization. |
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* |
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* Colorization is disabled if not supported by the stream: |
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* |
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* - Windows != 10.0.10586 without Ansicon, ConEmu or Mintty |
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* - non tty consoles |
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* |
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* @return bool true if the stream supports colorization, false otherwise |
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* |
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* @see \Symfony\Component\Console\Output\StreamOutput |
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*/ |
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private function checkColorSupport() |
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{ |
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if ($this->hasParameter(['--ansi'])) { |
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return true; |
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} |
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if (DIRECTORY_SEPARATOR === '\\') { |
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return |
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'10.0.10586' === PHP_WINDOWS_VERSION_MAJOR . '.' . PHP_WINDOWS_VERSION_MINOR . '.' . PHP_WINDOWS_VERSION_BUILD |
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|| false !== getenv('ANSICON') |
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|| 'ON' === getenv('ConEmuANSI') |
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|| 'xterm' === getenv('TERM'); |
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} |
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return function_exists('posix_isatty') && @posix_isatty(STDOUT); |
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} |
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} |
humbug /
box
