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Diffstat (limited to 'vendor/symfony/console/Output/StreamOutput.php')
-rw-r--r-- | vendor/symfony/console/Output/StreamOutput.php | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/vendor/symfony/console/Output/StreamOutput.php b/vendor/symfony/console/Output/StreamOutput.php new file mode 100644 index 0000000..b46f4d2 --- /dev/null +++ b/vendor/symfony/console/Output/StreamOutput.php | |||
@@ -0,0 +1,122 @@ | |||
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\Exception\InvalidArgumentException; | ||
15 | use Symfony\Component\Console\Formatter\OutputFormatterInterface; | ||
16 | |||
17 | /** | ||
18 | * StreamOutput writes the output to a given stream. | ||
19 | * | ||
20 | * Usage: | ||
21 | * | ||
22 | * $output = new StreamOutput(fopen('php://stdout', 'w')); | ||
23 | * | ||
24 | * As `StreamOutput` can use any stream, you can also use a file: | ||
25 | * | ||
26 | * $output = new StreamOutput(fopen('/path/to/output.log', 'a', false)); | ||
27 | * | ||
28 | * @author Fabien Potencier <fabien@symfony.com> | ||
29 | */ | ||
30 | class StreamOutput extends Output | ||
31 | { | ||
32 | /** @var resource */ | ||
33 | private $stream; | ||
34 | |||
35 | /** | ||
36 | * @param resource $stream A stream resource | ||
37 | * @param int $verbosity The verbosity level (one of the VERBOSITY constants in OutputInterface) | ||
38 | * @param bool|null $decorated Whether to decorate messages (null for auto-guessing) | ||
39 | * @param OutputFormatterInterface|null $formatter Output formatter instance (null to use default OutputFormatter) | ||
40 | * | ||
41 | * @throws InvalidArgumentException When first argument is not a real stream | ||
42 | */ | ||
43 | public function __construct($stream, int $verbosity = self::VERBOSITY_NORMAL, ?bool $decorated = null, ?OutputFormatterInterface $formatter = null) | ||
44 | { | ||
45 | if (!\is_resource($stream) || 'stream' !== get_resource_type($stream)) { | ||
46 | throw new InvalidArgumentException('The StreamOutput class needs a stream as its first argument.'); | ||
47 | } | ||
48 | |||
49 | $this->stream = $stream; | ||
50 | |||
51 | $decorated ??= $this->hasColorSupport(); | ||
52 | |||
53 | parent::__construct($verbosity, $decorated, $formatter); | ||
54 | } | ||
55 | |||
56 | /** | ||
57 | * Gets the stream attached to this StreamOutput instance. | ||
58 | * | ||
59 | * @return resource | ||
60 | */ | ||
61 | public function getStream() | ||
62 | { | ||
63 | return $this->stream; | ||
64 | } | ||
65 | |||
66 | protected function doWrite(string $message, bool $newline): void | ||
67 | { | ||
68 | if ($newline) { | ||
69 | $message .= \PHP_EOL; | ||
70 | } | ||
71 | |||
72 | @fwrite($this->stream, $message); | ||
73 | |||
74 | fflush($this->stream); | ||
75 | } | ||
76 | |||
77 | /** | ||
78 | * Returns true if the stream supports colorization. | ||
79 | * | ||
80 | * Colorization is disabled if not supported by the stream: | ||
81 | * | ||
82 | * This is tricky on Windows, because Cygwin, Msys2 etc emulate pseudo | ||
83 | * terminals via named pipes, so we can only check the environment. | ||
84 | * | ||
85 | * Reference: Composer\XdebugHandler\Process::supportsColor | ||
86 | * https://github.com/composer/xdebug-handler | ||
87 | * | ||
88 | * @return bool true if the stream supports colorization, false otherwise | ||
89 | */ | ||
90 | protected function hasColorSupport(): bool | ||
91 | { | ||
92 | // Follow https://no-color.org/ | ||
93 | if ('' !== ($_SERVER['NO_COLOR'] ?? getenv('NO_COLOR') ?: '')) { | ||
94 | return false; | ||
95 | } | ||
96 | |||
97 | // Detect msysgit/mingw and assume this is a tty because detection | ||
98 | // does not work correctly, see https://github.com/composer/composer/issues/9690 | ||
99 | if (!@stream_isatty($this->stream) && !\in_array(strtoupper((string) getenv('MSYSTEM')), ['MINGW32', 'MINGW64'], true)) { | ||
100 | return false; | ||
101 | } | ||
102 | |||
103 | if ('\\' === \DIRECTORY_SEPARATOR && @sapi_windows_vt100_support($this->stream)) { | ||
104 | return true; | ||
105 | } | ||
106 | |||
107 | if ('Hyper' === getenv('TERM_PROGRAM') | ||
108 | || false !== getenv('COLORTERM') | ||
109 | || false !== getenv('ANSICON') | ||
110 | || 'ON' === getenv('ConEmuANSI') | ||
111 | ) { | ||
112 | return true; | ||
113 | } | ||
114 | |||
115 | if ('dumb' === $term = (string) getenv('TERM')) { | ||
116 | return false; | ||
117 | } | ||
118 | |||
119 | // See https://github.com/chalk/supports-color/blob/d4f413efaf8da045c5ab440ed418ef02dbb28bf1/index.js#L157 | ||
120 | return preg_match('/^((screen|xterm|vt100|vt220|putty|rxvt|ansi|cygwin|linux).*)|(.*-256(color)?(-bce)?)$/', $term); | ||
121 | } | ||
122 | } | ||