87 lines
2.2 KiB
PHP
87 lines
2.2 KiB
PHP
<?php
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/*
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* This file is part of the Environment package.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace SebastianBergmann\Environment;
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/**
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* @package Environment
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* @author Sebastian Bergmann <sebastian@phpunit.de>
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* @copyright 2014 Sebastian Bergmann <sebastian@phpunit.de>
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* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
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* @link http://www.github.com/sebastianbergmann/environment
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*/
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class Console
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{
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const STDIN = 0;
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const STDOUT = 1;
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const STDERR = 2;
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/**
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* Returns true if STDOUT supports colorization.
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*
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* This code has been copied and adapted from
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* Symfony\Component\Console\Output\OutputStream.
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*
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* @return boolean
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*/
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public function hasColorSupport()
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{
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if (DIRECTORY_SEPARATOR == '\\') {
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return false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI');
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}
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if (!defined('STDOUT')) {
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return false;
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}
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return $this->isInteractive(STDOUT);
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}
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/**
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* Returns the number of columns of the terminal.
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*
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* @return integer
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*/
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public function getNumberOfColumns()
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{
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// Windows terminals have a fixed size of 80
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// but one column is used for the cursor.
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if (DIRECTORY_SEPARATOR == '\\') {
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return 79;
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}
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if (!$this->isInteractive(self::STDIN)) {
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return 80;
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}
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if (preg_match('#\d+ (\d+)#', shell_exec('stty size'), $match) === 1) {
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return (int) $match[1];
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}
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if (preg_match('#columns = (\d+);#', shell_exec('stty'), $match) === 1) {
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return (int) $match[1];
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}
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return 80;
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}
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/**
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* Returns if the file descriptor is an interactive terminal or not.
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*
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* @param int|resource $fileDescriptor
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*
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* @return boolean
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*/
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public function isInteractive($fileDescriptor = self::STDOUT)
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{
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return function_exists('posix_isatty') && @posix_isatty($fileDescriptor);
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}
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}
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