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<?php |
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namespace Consolidation\SiteProcess\Util; |
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use Consolidation\SiteAlias\AliasRecord; |
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use Symfony\Component\Process\Process; |
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use Consolidation\Config\Util\Interpolator; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Console\Output\NullOutput; |
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/** |
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* RealtimeOutput can be provided to a process object when you want |
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* to display the output of the running command as it is being produced. |
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*/ |
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class RealtimeOutputHandler |
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{ |
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protected $stdout; |
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protected $stderr; |
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protected $stdoutMarker = ''; |
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protected $stderrMarker = ''; |
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/** |
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* Provide the output streams to use for stdout and stderr |
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*/ |
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const MARKER_ERR = '> '; |
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public function __construct(OutputInterface $stdout, OutputInterface $stderr) |
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{ |
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$this->stdout = $stdout; |
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$this->stderr = $stderr; |
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$this->stdoutMarker = ''; |
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$this->stderrMarker = self::MARKER_ERR; |
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} |
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/** |
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* This gives us an opportunity to adapt to the settings of the |
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* process object (e.g. do we need to do anything differently if |
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* it is in tty mode, etc.) |
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*/ |
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public function configure(Process $process) |
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{ |
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return $this; |
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} |
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/** |
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* setStderrMarker defines the string that should be added at |
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* the beginning of every line of stderr that is printed. |
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*/ |
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public function setStderrMarker($marker) |
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{ |
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$this->stderrMarker = $marker; |
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return $this; |
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} |
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/** |
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* setStdoutMarker defines the string that should be added at |
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* the beginning of every line of stdout that is printed. |
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*/ |
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public function setStdoutMarker($marker) |
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{ |
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$this->$stdoutMarker = $marker; |
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return $this; |
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} |
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/** |
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* hideStdout overrides whatever was formerly stored in $this->stdout |
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* with a null output buffer so that none of the standard output data |
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* is visible. |
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*/ |
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public function hideStdout() |
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{ |
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$this->stdout = new NullOutput(); |
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$this->stdoutMarker = ''; |
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} |
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/** |
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* hideStderr serves the same function as hideStdout, but for the |
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* standard error stream. Note that it is not useful to unconditionally |
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* call both hideStdout and hideStderr; if no output is desired, then |
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* the RealtimeOutputHandler should not be used. |
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*/ |
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public function hideStderr() |
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{ |
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$this->stderr = new NullOutput(); |
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$this->stderrMarker = ''; |
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} |
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/** |
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* If this object is used as a callable, then run 'handleOutput'. |
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*/ |
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public function __invoke($type, $buffer) |
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{ |
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$this->handleOutput($type, $buffer); |
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} |
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/** |
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* Helper method when you want real-time output from a Process call. |
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* @param string $type |
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* @param string $buffer |
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*/ |
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public function handleOutput($type, $buffer) |
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{ |
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if (Process::ERR === $type) { |
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$this->stderr->write($this->addMarker($buffer, $this->stderrMarker)); |
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} else { |
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$this->stdout->write($this->addMarker($buffer, $this->stdoutMarker)); |
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} |
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} |
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/** |
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* Make sure that every line in $buffer begins with a MARKER_ERR. |
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*/ |
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protected function addMarker($buffer, $marker) |
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{ |
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// Exit early if there is no marker to add |
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if (empty($marker)) { |
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return $buffer; |
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} |
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// Add a marker on the beginning of every line. |
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return $marker . rtrim(implode("\n" . $marker, explode("\n", $buffer)), $marker); |
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} |
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} |
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consolidation /
site-process
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.