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<?php |
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/** |
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* Stream outputter to send data to a file via some filter program. |
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* Even if compression is available in a library, using a separate |
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* program can allow us to make use of a multi-processor system. |
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* |
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* Copyright © 2003, 2005, 2006 Brion Vibber <[email protected]> |
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* https://www.mediawiki.org/ |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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*/ |
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/** |
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* @ingroup Dump |
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*/ |
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class DumpPipeOutput extends DumpFileOutput { |
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protected $command, $filename; |
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protected $procOpenResource = false; |
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/** |
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* @param string $command |
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* @param string $file |
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*/ |
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function __construct( $command, $file = null ) { |
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if ( !is_null( $file ) ) { |
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$command .= " > " . wfEscapeShellArg( $file ); |
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} |
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$this->startCommand( $command ); |
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$this->command = $command; |
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$this->filename = $file; |
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} |
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/** |
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* @param string $string |
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*/ |
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function writeCloseStream( $string ) { |
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parent::writeCloseStream( $string ); |
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if ( $this->procOpenResource ) { |
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proc_close( $this->procOpenResource ); |
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$this->procOpenResource = false; |
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} |
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} |
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/** |
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* @param string $command |
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*/ |
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function startCommand( $command ) { |
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$spec = [ |
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0 => [ "pipe", "r" ], |
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]; |
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$pipes = []; |
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$this->procOpenResource = proc_open( $command, $spec, $pipes ); |
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$this->handle = $pipes[0]; |
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} |
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/** |
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* @param string $newname |
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*/ |
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function closeRenameAndReopen( $newname ) { |
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$this->closeAndRename( $newname, true ); |
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} |
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/** |
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* @param string $newname |
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* @param bool $open |
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*/ |
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function closeAndRename( $newname, $open = false ) { |
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$newname = $this->checkRenameArgCount( $newname ); |
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if ( $newname ) { |
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if ( $this->handle ) { |
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fclose( $this->handle ); |
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$this->handle = false; |
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} |
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if ( $this->procOpenResource ) { |
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proc_close( $this->procOpenResource ); |
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$this->procOpenResource = false; |
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} |
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$this->renameOrException( $newname ); |
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if ( $open ) { |
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$command = $this->command; |
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$command .= " > " . wfEscapeShellArg( $this->filename ); |
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$this->startCommand( $command ); |
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} |
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} |
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} |
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} |
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wikimedia /
mediawiki
Loading history...
Only declaring a single property per statement allows you to later on add doc comments more easily.
It is also recommended by PSR2, so it is a common style that many people expect.