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| 1 | <?php |
| 2 | /** |
| 3 | * MediaWiki page data importer. |
| 4 | * |
| 5 | * Copyright © 2003,2005 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 | * @ingroup SpecialPage |
| 25 | */ |
| 26 | |
| 27 | /** |
| 28 | * Used for importing XML dumps where the content of the dump is in a string. |
| 29 | * This class is inefficient, and should only be used for small dumps. |
| 30 | * For larger dumps, ImportStreamSource should be used instead. |
| 31 | * |
| 32 | * @ingroup SpecialPage |
| 33 | */ |
| 34 | class ImportStringSource implements ImportSource { |
| 35 | /** @var string */ |
| 36 | private $mString; |
| 37 | |
| 38 | /** @var bool */ |
| 39 | private $mRead = false; |
| 40 | |
| 41 | /** |
| 42 | * @param string $string |
| 43 | */ |
| 44 | public function __construct( $string ) { |
| 45 | $this->mString = $string; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * @return bool |
| 50 | */ |
| 51 | public function atEnd() { |
| 52 | return $this->mRead; |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * @return bool|string |
| 57 | */ |
| 58 | public function readChunk() { |
| 59 | if ( $this->atEnd() ) { |
| 60 | return false; |
| 61 | } |
| 62 | $this->mRead = true; |
| 63 | return $this->mString; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * @return bool |
| 68 | */ |
| 69 | public function isSeekable() { |
| 70 | return true; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @param int $offset |
| 75 | * @return int |
| 76 | */ |
| 77 | public function seek( int $offset ) { |
| 78 | $this->mRead = false; |
| 79 | return 0; |
| 80 | } |
| 81 | } |