114 lines
2.9 KiB
PHP
114 lines
2.9 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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*/
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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 bool
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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') || 'xterm' === getenv('TERM');
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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 $this->isInteractive(STDOUT);
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}
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/**
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* Returns the number of columns of the terminal.
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*
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* @return int
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*/
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public function getNumberOfColumns()
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{
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if (DIRECTORY_SEPARATOR == '\\') {
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$columns = 80;
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if (preg_match('/^(\d+)x\d+ \(\d+x(\d+)\)$/', trim(getenv('ANSICON')), $matches)) {
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$columns = $matches[1];
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} elseif (function_exists('proc_open')) {
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$process = proc_open(
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'mode CON',
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[
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1 => ['pipe', 'w'],
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2 => ['pipe', 'w']
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],
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$pipes,
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null,
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null,
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['suppress_errors' => true]
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);
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if (is_resource($process)) {
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$info = stream_get_contents($pipes[1]);
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fclose($pipes[1]);
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fclose($pipes[2]);
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proc_close($process);
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if (preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) {
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$columns = $matches[2];
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}
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}
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}
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return $columns - 1;
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}
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if (!$this->isInteractive(self::STDIN)) {
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return 80;
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}
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if (function_exists('shell_exec') && preg_match('#\d+ (\d+)#', shell_exec('stty size'), $match) === 1) {
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if ((int) $match[1] > 0) {
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return (int) $match[1];
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}
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}
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if (function_exists('shell_exec') && preg_match('#columns = (\d+);#', shell_exec('stty'), $match) === 1) {
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if ((int) $match[1] > 0) {
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return (int) $match[1];
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}
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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 $fileDescriptor
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*
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* @return bool
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*/
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public function isInteractive($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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