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File: vendor/sebastian/environment/src/Console.php

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File: vendor/sebastian/environment/src/Console.php
Role: Class source
Content type: text/plain
Description: Class source
Class: PHP Pokemon Script
Provides an API to manage a database of Pokemons
Author: By
Last change:
Date: 6 years ago
Size: 3,020 bytes
 

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<?php
/*
 * This file is part of the Environment package.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace SebastianBergmann\Environment;

/**
 */
class Console
{
    const
STDIN = 0;
    const
STDOUT = 1;
    const
STDERR = 2;

   
/**
     * Returns true if STDOUT supports colorization.
     *
     * This code has been copied and adapted from
     * Symfony\Component\Console\Output\OutputStream.
     *
     * @return bool
     */
   
public function hasColorSupport()
    {
        if (
DIRECTORY_SEPARATOR == '\\') {
            return
false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI') || 'xterm' === getenv('TERM');
        }

        if (!
defined('STDOUT')) {
            return
false;
        }

        return
$this->isInteractive(STDOUT);
    }

   
/**
     * Returns the number of columns of the terminal.
     *
     * @return int
     */
   
public function getNumberOfColumns()
    {
        if (
DIRECTORY_SEPARATOR == '\\') {
           
$columns = 80;

            if (
preg_match('/^(\d+)x\d+ \(\d+x(\d+)\)$/', trim(getenv('ANSICON')), $matches)) {
               
$columns = $matches[1];
            } elseif (
function_exists('proc_open')) {
               
$process = proc_open(
                   
'mode CON',
                    [
                       
1 => ['pipe', 'w'],
                       
2 => ['pipe', 'w']
                    ],
                   
$pipes,
                   
null,
                   
null,
                    [
'suppress_errors' => true]
                );

                if (
is_resource($process)) {
                   
$info = stream_get_contents($pipes[1]);

                   
fclose($pipes[1]);
                   
fclose($pipes[2]);
                   
proc_close($process);

                    if (
preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) {
                       
$columns = $matches[2];
                    }
                }
            }

            return
$columns - 1;
        }

        if (!
$this->isInteractive(self::STDIN)) {
            return
80;
        }

        if (
function_exists('shell_exec') && preg_match('#\d+ (\d+)#', shell_exec('stty size'), $match) === 1) {
            if ((int)
$match[1] > 0) {
                return (int)
$match[1];
            }
        }

        if (
function_exists('shell_exec') && preg_match('#columns = (\d+);#', shell_exec('stty'), $match) === 1) {
            if ((int)
$match[1] > 0) {
                return (int)
$match[1];
            }
        }

        return
80;
    }

   
/**
     * Returns if the file descriptor is an interactive terminal or not.
     *
     * @param int|resource $fileDescriptor
     *
     * @return bool
     */
   
public function isInteractive($fileDescriptor = self::STDOUT)
    {
        return
function_exists('posix_isatty') && @posix_isatty($fileDescriptor);
    }
}