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[Console] Use proc_open instead of exec to suppress errors when run on windows and stty is not present

This commit is contained in:
Jordi Boggiano 2012-04-24 18:59:33 +02:00 committed by Fabien Potencier
parent 50eb170ead
commit 4f93d1addd
1 changed files with 21 additions and 2 deletions
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23
src/Symfony/Component/Console/Application.php
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@ -800,7 +800,7 @@ class Application
return preg_replace('{^(\d+)x.*$}', '$1', $ansicon);
}
if (preg_match("{rows.(\d+);.columns.(\d+);}i", exec('stty -a | grep columns'), $match)) {
if (preg_match("{rows.(\d+);.columns.(\d+);}i", $this->getSttyColumns(), $match)) {
return $match[2];
}
}
@ -816,7 +816,7 @@ class Application
return preg_replace('{^\d+x\d+ \(\d+x(\d+)\)$}', '$1', trim($ansicon));
}
if (preg_match("{rows.(\d+);.columns.(\d+);}i", exec('stty -a | grep columns'), $match)) {
if (preg_match("{rows.(\d+);.columns.(\d+);}i", $this->getSttyColumns(), $match)) {
return $match[1];
}
}
@ -833,6 +833,25 @@ class Application
return $input->getFirstArgument('command');
}
/**
* Runs and parses stty -a if it's available, suppressing any error output
*
* @return string
*/
private function getSttyColumns()
{
$descriptorspec = array(1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
$process = proc_open('stty -a | grep columns', $descriptorspec, $pipes, null, null, array('suppress_errors' => true));
if (is_resource($process)) {
$info = stream_get_contents($pipes[1]);
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($process);
return $info;
}
}
/**
* Sorts commands in alphabetical order.
*