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| 1 | <?php |
| 2 | /** |
| 3 | * Generates harvest files for the MathWebSearch Deamon. |
| 4 | * Example: php CreateMathIndex.php ~/mws_harvest_files |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | * http://www.gnu.org/copyleft/gpl.html |
| 20 | * |
| 21 | * @ingroup Maintenance |
| 22 | */ |
| 23 | |
| 24 | require_once __DIR__ . '/IndexBase.php'; |
| 25 | |
| 26 | /** |
| 27 | * @author Moritz Schubotz |
| 28 | */ |
| 29 | class CreateBaseXMathTable extends IndexBase { |
| 30 | |
| 31 | /** @var string */ |
| 32 | private static $mwsns = 'mws:'; |
| 33 | /** @var string */ |
| 34 | private static $XMLHead; |
| 35 | /** @var string */ |
| 36 | private static $XMLFooter; |
| 37 | /** @var \BaseXSession */ |
| 38 | private $session; |
| 39 | |
| 40 | public function __construct() { |
| 41 | parent::__construct(); |
| 42 | $this->addDescription( 'Generates harvest files for the MathWebSearch Daemon.' ); |
| 43 | $this->addOption( 'mwsns', 'The namespace or mws normally "mws:"', false ); |
| 44 | $this->addOption( 'truncate', 'If set the database will be recreated.' ); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * @param stdClass $row |
| 49 | * |
| 50 | * @return string |
| 51 | */ |
| 52 | protected function generateIndexString( $row ) { |
| 53 | $out = ""; |
| 54 | $xml = simplexml_load_string( $row->math_mathml ); |
| 55 | if ( !$xml ) { |
| 56 | echo "ERROR while converting:\n " . var_export( $row->math_mathml, true ) . "\n"; |
| 57 | foreach ( libxml_get_errors() as $error ) { |
| 58 | echo "\t", $error->message; |
| 59 | } |
| 60 | libxml_clear_errors(); |
| 61 | return ""; |
| 62 | } |
| 63 | $out .= "\n<" . self::$mwsns . "expr url=\"" . |
| 64 | MathSearchHooks::generateMathAnchorString( $row->mathindex_revision_id, |
| 65 | $row->mathindex_anchor, '' ) . "\">\n\t"; |
| 66 | $out .= $row->math_mathml;// $xml->math->children()->asXML(); |
| 67 | $out .= "\n</" . self::$mwsns . "expr>\n"; |
| 68 | // TODO: This does not work yet. |
| 69 | // Find out how to insert new data without to write it into a temporary file |
| 70 | // $this->session->execute("insert node $out "); |
| 71 | return $out; |
| 72 | } |
| 73 | |
| 74 | protected function getHead() { |
| 75 | return self::$XMLHead; |
| 76 | } |
| 77 | |
| 78 | protected function getFooter() { |
| 79 | return self::$XMLFooter; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * @param string $fn |
| 84 | * @param int $min |
| 85 | * @param int $inc |
| 86 | * |
| 87 | * @return bool |
| 88 | */ |
| 89 | protected function wFile( $fn, $min, $inc ) { |
| 90 | $retval = parent::wFile( $fn, $min, $inc ); |
| 91 | $this->session->execute( "add $fn" ); |
| 92 | return $retval; |
| 93 | } |
| 94 | |
| 95 | public function execute() { |
| 96 | global $wgMathSearchBaseXDatabaseName; |
| 97 | self::$mwsns = $this->getOption( 'mwsns', '' ); |
| 98 | self::$XMLHead = |
| 99 | "<?xml version=\"1.0\"?>\n<" . self::$mwsns . |
| 100 | "harvest xmlns:mws=\"http://search.mathweb.org/ns\" xmlns:m=\"http://www.w3.org/1998/Math/MathML\">"; |
| 101 | self::$XMLFooter = "</" . self::$mwsns . "harvest>"; |
| 102 | $this->session = new BaseXSession(); |
| 103 | if ( $this->getOption( 'truncate', false ) ) { |
| 104 | $this->session->execute( "open " . $wgMathSearchBaseXDatabaseName ); |
| 105 | } else { |
| 106 | $this->session->execute( "create db " . $wgMathSearchBaseXDatabaseName ); |
| 107 | } |
| 108 | parent::execute(); |
| 109 | } |
| 110 | |
| 111 | public function __destruct() { |
| 112 | $this->session->close(); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | $maintClass = CreateBaseXMathTable::class; |
| 117 | /** @noinspection PhpIncludeInspection */ |
| 118 | require_once RUN_MAINTENANCE_IF_MAIN; |