upstream / vendor / symfony / console / Output / ConsoleOutput.php

ConsoleOutput.php in UpStream: a Project Management Plugin for WordPress trunk, at vendor/symfony/console/Output/ConsoleOutput.php

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1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <fabien@symfony.com>
7	*
8	* For the full copyright and license information, please view the LICENSE
9	* file that was distributed with this source code.
10	*/
11
12	namespace Symfony\Component\Console\Output;
13
14	use Symfony\Component\Console\Formatter\OutputFormatterInterface;
15
16	/**
17	* ConsoleOutput is the default class for all CLI output. It uses STDOUT and STDERR.
18	*
19	* This class is a convenient wrapper around `StreamOutput` for both STDOUT and STDERR.
20	*
21	* $output = new ConsoleOutput();
22	*
23	* This is equivalent to:
24	*
25	* $output = new StreamOutput(fopen('php://stdout', 'w'));
26	* $stdErr = new StreamOutput(fopen('php://stderr', 'w'));
27	*
28	* @author Fabien Potencier <fabien@symfony.com>
29	*/
30	class ConsoleOutput extends StreamOutput implements ConsoleOutputInterface
31	{
32	private $stderr;
33
34	/**
35	* @param int $verbosity The verbosity level (one of the VERBOSITY constants in OutputInterface)
36	* @param bool\|null $decorated Whether to decorate messages (null for auto-guessing)
37	* @param OutputFormatterInterface\|null $formatter Output formatter instance (null to use default OutputFormatter)
38	*/
39	public function __construct($verbosity = self::VERBOSITY_NORMAL, $decorated = null, OutputFormatterInterface $formatter = null)
40	{
41	parent::__construct($this->openOutputStream(), $verbosity, $decorated, $formatter);
42
43	$actualDecorated = $this->isDecorated();
44	$this->stderr = new StreamOutput($this->openErrorStream(), $verbosity, $decorated, $this->getFormatter());
45
46	if (null === $decorated) {
47	$this->setDecorated($actualDecorated && $this->stderr->isDecorated());
48	}
49	}
50
51	/**
52	* {@inheritdoc}
53	*/
54	public function setDecorated($decorated)
55	{
56	parent::setDecorated($decorated);
57	$this->stderr->setDecorated($decorated);
58	}
59
60	/**
61	* {@inheritdoc}
62	*/
63	public function setFormatter(OutputFormatterInterface $formatter)
64	{
65	parent::setFormatter($formatter);
66	$this->stderr->setFormatter($formatter);
67	}
68
69	/**
70	* {@inheritdoc}
71	*/
72	public function setVerbosity($level)
73	{
74	parent::setVerbosity($level);
75	$this->stderr->setVerbosity($level);
76	}
77
78	/**
79	* {@inheritdoc}
80	*/
81	public function getErrorOutput()
82	{
83	return $this->stderr;
84	}
85
86	/**
87	* {@inheritdoc}
88	*/
89	public function setErrorOutput(OutputInterface $error)
90	{
91	$this->stderr = $error;
92	}
93
94	/**
95	* Returns true if current environment supports writing console output to
96	* STDOUT.
97	*
98	* @return bool
99	*/
100	protected function hasStdoutSupport()
101	{
102	return false === $this->isRunningOS400();
103	}
104
105	/**
106	* Returns true if current environment supports writing console output to
107	* STDERR.
108	*
109	* @return bool
110	*/
111	protected function hasStderrSupport()
112	{
113	return false === $this->isRunningOS400();
114	}
115
116	/**
117	* Checks if current executing environment is IBM iSeries (OS400), which
118	* doesn't properly convert character-encodings between ASCII to EBCDIC.
119	*
120	* @return bool
121	*/
122	private function isRunningOS400()
123	{
124	$checks = [
125	\function_exists('php_uname') ? php_uname('s') : '',
126	getenv('OSTYPE'),
127	\PHP_OS,
128	];
129
130	return false !== stripos(implode(';', $checks), 'OS400');
131	}
132
133	/**
134	* @return resource
135	*/
136	private function openOutputStream()
137	{
138	if (!$this->hasStdoutSupport()) {
139	return fopen('php://output', 'w');
140	}
141
142	return @fopen('php://stdout', 'w') ?: fopen('php://output', 'w');
143	}
144
145	/**
146	* @return resource
147	*/
148	private function openErrorStream()
149	{
150	return fopen($this->hasStderrSupport() ? 'php://stderr' : 'php://output', 'w');
151	}
152	}
153