comparison vendor/sebastian/environment/src/Console.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
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children 1fec387a4317
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-1:000000000000 0:4c8ae668cc8c
1 <?php
2 /*
3 * This file is part of the Environment package.
4 *
5 * (c) Sebastian Bergmann <sebastian@phpunit.de>
6 *
7 * For the full copyright and license information, please view the LICENSE
8 * file that was distributed with this source code.
9 */
10
11 namespace SebastianBergmann\Environment;
12
13 /**
14 */
15 class Console
16 {
17 const STDIN = 0;
18 const STDOUT = 1;
19 const STDERR = 2;
20
21 /**
22 * Returns true if STDOUT supports colorization.
23 *
24 * This code has been copied and adapted from
25 * Symfony\Component\Console\Output\OutputStream.
26 *
27 * @return bool
28 */
29 public function hasColorSupport()
30 {
31 if (DIRECTORY_SEPARATOR == '\\') {
32 return false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI') || 'xterm' === getenv('TERM');
33 }
34
35 if (!defined('STDOUT')) {
36 return false;
37 }
38
39 return $this->isInteractive(STDOUT);
40 }
41
42 /**
43 * Returns the number of columns of the terminal.
44 *
45 * @return int
46 */
47 public function getNumberOfColumns()
48 {
49 if (DIRECTORY_SEPARATOR == '\\') {
50 $columns = 80;
51
52 if (preg_match('/^(\d+)x\d+ \(\d+x(\d+)\)$/', trim(getenv('ANSICON')), $matches)) {
53 $columns = $matches[1];
54 } elseif (function_exists('proc_open')) {
55 $process = proc_open(
56 'mode CON',
57 array(
58 1 => array('pipe', 'w'),
59 2 => array('pipe', 'w')
60 ),
61 $pipes,
62 null,
63 null,
64 array('suppress_errors' => true)
65 );
66
67 if (is_resource($process)) {
68 $info = stream_get_contents($pipes[1]);
69
70 fclose($pipes[1]);
71 fclose($pipes[2]);
72 proc_close($process);
73
74 if (preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) {
75 $columns = $matches[2];
76 }
77 }
78 }
79
80 return $columns - 1;
81 }
82
83 if (!$this->isInteractive(self::STDIN)) {
84 return 80;
85 }
86
87 if (function_exists('shell_exec') && preg_match('#\d+ (\d+)#', shell_exec('stty size'), $match) === 1) {
88 if ((int) $match[1] > 0) {
89 return (int) $match[1];
90 }
91 }
92
93 if (function_exists('shell_exec') && preg_match('#columns = (\d+);#', shell_exec('stty'), $match) === 1) {
94 if ((int) $match[1] > 0) {
95 return (int) $match[1];
96 }
97 }
98
99 return 80;
100 }
101
102 /**
103 * Returns if the file descriptor is an interactive terminal or not.
104 *
105 * @param int|resource $fileDescriptor
106 *
107 * @return bool
108 */
109 public function isInteractive($fileDescriptor = self::STDOUT)
110 {
111 return function_exists('posix_isatty') && @posix_isatty($fileDescriptor);
112 }
113 }