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| 1 | <?php |
| 2 | /** |
| 3 | * Stream outputter to send data to a file. |
| 4 | * |
| 5 | * Copyright © 2003, 2005, 2006 Brooke Vibber <bvibber@wikimedia.org> |
| 6 | * https://www.mediawiki.org/ |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License along |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 21 | * http://www.gnu.org/copyleft/gpl.html |
| 22 | * |
| 23 | * @file |
| 24 | */ |
| 25 | |
| 26 | /** |
| 27 | * @ingroup Dump |
| 28 | */ |
| 29 | class DumpFileOutput extends DumpOutput { |
| 30 | /** @var resource|false */ |
| 31 | protected $handle = false; |
| 32 | /** @var string */ |
| 33 | protected $filename; |
| 34 | |
| 35 | /** |
| 36 | * @param string $file |
| 37 | */ |
| 38 | public function __construct( $file ) { |
| 39 | $this->handle = fopen( $file, "wt" ); |
| 40 | $this->filename = $file; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @param string $string |
| 45 | */ |
| 46 | public function writeCloseStream( $string ) { |
| 47 | parent::writeCloseStream( $string ); |
| 48 | if ( $this->handle ) { |
| 49 | fclose( $this->handle ); |
| 50 | $this->handle = false; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * @param string $string |
| 56 | */ |
| 57 | public function write( $string ) { |
| 58 | fputs( $this->handle, $string ); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * @inheritDoc |
| 63 | */ |
| 64 | public function closeRenameAndReopen( $newname ) { |
| 65 | $this->closeAndRename( $newname, true ); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * @param string $newname |
| 70 | */ |
| 71 | protected function renameOrException( $newname ) { |
| 72 | if ( !rename( $this->filename, $newname ) ) { |
| 73 | throw new RuntimeException( __METHOD__ . ": rename of file {$this->filename} to $newname failed\n" ); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * @param string|string[] $newname |
| 79 | * @return string |
| 80 | * @throws MWException |
| 81 | */ |
| 82 | protected function checkRenameArgCount( $newname ) { |
| 83 | if ( is_array( $newname ) ) { |
| 84 | if ( count( $newname ) > 1 ) { |
| 85 | throw new MWException( __METHOD__ . ": passed multiple arguments for rename of single file\n" ); |
| 86 | } |
| 87 | $newname = $newname[0]; |
| 88 | } |
| 89 | return $newname; |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * @inheritDoc |
| 94 | */ |
| 95 | public function closeAndRename( $newname, $open = false ) { |
| 96 | $newname = $this->checkRenameArgCount( $newname ); |
| 97 | if ( $newname ) { |
| 98 | if ( $this->handle ) { |
| 99 | fclose( $this->handle ); |
| 100 | $this->handle = false; |
| 101 | } |
| 102 | $this->renameOrException( $newname ); |
| 103 | if ( $open ) { |
| 104 | $this->handle = fopen( $this->filename, "wt" ); |
| 105 | } |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * @return string|null |
| 111 | */ |
| 112 | public function getFilenames() { |
| 113 | return $this->filename; |
| 114 | } |
| 115 | } |