| Index: trunk/extensions/SemanticMediaWiki/specials/Export/SMW_SpecialOWLExport.php |
| — | — | @@ -1,10 +1,10 @@ |
| 2 | 2 | <?php |
| 3 | 3 | |
| 4 | 4 | /** |
| 5 | | - * File holding the SMWSpecialOWLExport class for the Special:ExportRDF page. |
| | 5 | + * File holding the SMWSpecialOWLExport class for the Special:ExportRDF page. |
| 6 | 6 | * |
| 7 | 7 | * @file SMW_SpecialOWLExport.php |
| 8 | | - * |
| | 8 | + * |
| 9 | 9 | * @ingroup SMWSpecialPage |
| 10 | 10 | * @ingroup SpecialPage |
| 11 | 11 | * |
| — | — | @@ -19,35 +19,35 @@ |
| 20 | 20 | * This special page for MediaWiki implements an OWL-export of semantic data, |
| 21 | 21 | * gathered both from the annotations in articles, and from metadata already |
| 22 | 22 | * present in the database. |
| 23 | | - * |
| | 23 | + * |
| 24 | 24 | * @ingroup SMWSpecialPage |
| 25 | 25 | * @ingroup SpecialPage |
| 26 | | - * |
| | 26 | + * |
| 27 | 27 | * @author Markus Krötzsch |
| 28 | 28 | */ |
| 29 | 29 | class SMWSpecialOWLExport extends SpecialPage { |
| 30 | | - |
| | 30 | + |
| 31 | 31 | public function __construct() { |
| 32 | 32 | parent::__construct( 'ExportRDF' ); |
| 33 | 33 | } |
| 34 | 34 | |
| 35 | 35 | public function execute( $page = '' ) { |
| 36 | 36 | global $wgOut, $wgRequest, $wgUser, $smwgAllowRecursiveExport, $smwgExportBacklinks, $smwgExportAll; |
| 37 | | - |
| | 37 | + |
| 38 | 38 | $wgOut->setPageTitle( wfMsg( 'exportrdf' ) ); |
| 39 | | - |
| | 39 | + |
| 40 | 40 | $recursive = 0; // default, no recursion |
| 41 | 41 | $backlinks = $smwgExportBacklinks; // default |
| 42 | | - |
| | 42 | + |
| 43 | 43 | // check whether we already know what to export // |
| 44 | | - |
| | 44 | + |
| 45 | 45 | if ( $page == '' ) { // try to get GET parameter; simple way of calling the export |
| 46 | 46 | $page = $wgRequest->getVal( 'page' ); |
| 47 | 47 | } else { |
| 48 | 48 | // this is needed since MediaWiki 1.8, but it is wrong for 1.7 |
| 49 | 49 | $page = rawurldecode( $page ); |
| 50 | 50 | } |
| 51 | | - |
| | 51 | + |
| 52 | 52 | if ( $page == '' ) { // try to get POST list; some settings are only available via POST |
| 53 | 53 | $pageblob = $wgRequest->getText( 'pages' ); |
| 54 | 54 | if ( '' != $pageblob ) { |
| — | — | @@ -56,11 +56,11 @@ |
| 57 | 57 | } else { |
| 58 | 58 | $pages = array( $page ); |
| 59 | 59 | } |
| 60 | | - |
| | 60 | + |
| 61 | 61 | if ( isset( $pages ) ) { // export to RDF |
| 62 | 62 | $wgOut->disable(); |
| 63 | 63 | ob_start(); |
| 64 | | - |
| | 64 | + |
| 65 | 65 | // Only use rdf+xml mimetype if explicitly requested |
| 66 | 66 | // TODO: should the see also links in the exported RDF then have this parameter as well? |
| 67 | 67 | if ( $wgRequest->getVal( 'xmlmime' ) == 'rdf' ) { |
| — | — | @@ -68,11 +68,11 @@ |
| 69 | 69 | } else { |
| 70 | 70 | header( "Content-type: application/xml; charset=UTF-8" ); |
| 71 | 71 | } |
| 72 | | - |
| | 72 | + |
| 73 | 73 | if ( $wgRequest->getText( 'postform' ) == 1 ) { |
| 74 | 74 | $postform = true; // effect: assume "no" from missing parameters generated by checkboxes |
| 75 | 75 | } else $postform = false; |
| 76 | | - |
| | 76 | + |
| 77 | 77 | $rec = $wgRequest->getText( 'recursive' ); |
| 78 | 78 | if ( $rec == '' ) $rec = $wgRequest->getVal( 'recursive' ); |
| 79 | 79 | if ( ( $rec == '1' ) && ( $smwgAllowRecursiveExport || $wgUser->isAllowed( 'delete' ) ) ) { |
| — | — | @@ -87,7 +87,7 @@ |
| 88 | 88 | } |
| 89 | 89 | $date = $wgRequest->getText( 'date' ); |
| 90 | 90 | if ( $date == '' ) $date = $wgRequest->getVal( 'date' ); |
| 91 | | - |
| | 91 | + |
| 92 | 92 | $exp = new OWLExport(); |
| 93 | 93 | if ( $date != '' ) $exp->setDate( $date ); |
| 94 | 94 | $exp->printPages( $pages, $recursive, $backlinks ); |
| — | — | @@ -112,9 +112,9 @@ |
| 113 | 113 | } |
| 114 | 114 | } |
| 115 | 115 | } |
| 116 | | - |
| | 116 | + |
| 117 | 117 | smwfLoadExtensionMessages( 'SemanticMediaWiki' ); |
| 118 | | - |
| | 118 | + |
| 119 | 119 | // nothing exported yet; show user interface: |
| 120 | 120 | $html = '<form name="tripleSearch" action="" method="POST">' . "\n" . |
| 121 | 121 | '<p>' . wfMsg( 'smw_exportrdf_docu' ) . "</p>\n" . |
| — | — | @@ -131,9 +131,9 @@ |
| 132 | 132 | $html .= '<input type="text" name="date" value="' . date( DATE_W3C, mktime( 0, 0, 0, 1, 1, 2000 ) ) . '" id="date"> <label for="ea">' . wfMsg( 'smw_exportrdf_lastdate' ) . '</label></input><br />' . "\n"; |
| 133 | 133 | } |
| 134 | 134 | $html .= "<br /><input type=\"submit\" value=\"" . wfMsg( 'smw_exportrdf_submit' ) . "\"/>\n</form>"; |
| 135 | | - $wgOut->addHTML( $html ); |
| 136 | | - } |
| 137 | | - |
| | 135 | + $wgOut->addHTML( $html ); |
| | 136 | + } |
| | 137 | + |
| 138 | 138 | } |
| 139 | 139 | |
| 140 | 140 | /** |
| — | — | @@ -203,12 +203,6 @@ |
| 204 | 204 | private $global_namespaces; |
| 205 | 205 | |
| 206 | 206 | /** |
| 207 | | - * Array of references to the SWIVT schema. Will be added at the end of the |
| 208 | | - * export. |
| 209 | | - */ |
| 210 | | - private $schema_refs; |
| 211 | | - |
| 212 | | - /** |
| 213 | 207 | * Unprinted XML is composed from the strings $pre_ns_buffer and $post_ns_buffer. |
| 214 | 208 | * The split between the two is such that one can append additional namespace |
| 215 | 209 | * declarations to $pre_ns_buffer so that they affect all current elements. The |
| — | — | @@ -242,7 +236,6 @@ |
| 243 | 237 | public function __construct() { |
| 244 | 238 | $this->element_queue = array(); |
| 245 | 239 | $this->element_done = array(); |
| 246 | | - $this->schema_refs = array(); |
| 247 | 240 | $this->date = ''; |
| 248 | 241 | } |
| 249 | 242 | |
| — | — | @@ -594,24 +587,13 @@ |
| 595 | 588 | "\t\t<owl:imports rdf:resource=\"http://semantic-mediawiki.org/swivt/1.0\" />\n" . |
| 596 | 589 | "\t</owl:Ontology>\n" . |
| 597 | 590 | "\t<!-- exported page data -->\n"; |
| 598 | | - $this->addSchemaRef( "page", "owl:AnnotationProperty" ); |
| 599 | | - $this->addSchemaRef( "creationDate", "owl:AnnotationProperty" ); |
| 600 | | - $this->addSchemaRef( "Subject", "owl:Class" ); |
| 601 | 591 | } |
| 602 | 592 | |
| 603 | 593 | /** |
| 604 | | - * Prints the footer. Prints also all open schema-references. |
| 605 | | - * No schema-references can be added after printing the footer. |
| | 594 | + * Prints the footer. |
| 606 | 595 | */ |
| 607 | 596 | protected function printFooter() { |
| 608 | | - $this->post_ns_buffer .= "\t<!-- References to the SWiVT Ontology, see http://semantic-mediawiki.org/swivt/ -->\n"; |
| 609 | | - foreach ( $this->schema_refs as $name => $type ) { |
| 610 | | - $this->post_ns_buffer .= |
| 611 | | - "\t<$type rdf:about=\"&swivt;$name\">\n" . |
| 612 | | - "\t\t<rdfs:isDefinedBy rdf:resource=\"http://semantic-mediawiki.org/swivt/1.0\"/>\n" . |
| 613 | | - "\t</$type>\n"; |
| 614 | | - } |
| 615 | | - $this->post_ns_buffer .= "\t<!-- Created by Semantic MediaWiki, http://semantic-mediawiki.org -->\n"; |
| | 597 | + $this->post_ns_buffer .= "\t<!-- Created by Semantic MediaWiki, http://semantic-mediawiki.org/ -->\n"; |
| 616 | 598 | $this->post_ns_buffer .= '</rdf:RDF>'; |
| 617 | 599 | } |
| 618 | 600 | |
| — | — | @@ -769,16 +751,16 @@ |
| 770 | 752 | |
| 771 | 753 | print $this->pre_ns_buffer; |
| 772 | 754 | $this->pre_ns_buffer = ''; |
| 773 | | - |
| | 755 | + |
| 774 | 756 | foreach ( $this->extra_namespaces as $nsshort => $nsuri ) { |
| 775 | 757 | if ( $this->first_flush ) { |
| 776 | 758 | $this->global_namespaces[$nsshort] = true; |
| 777 | 759 | print "\n\t"; |
| 778 | 760 | } else print ' '; |
| 779 | | - |
| | 761 | + |
| 780 | 762 | print "xmlns:$nsshort=\"$nsuri\""; |
| 781 | 763 | } |
| 782 | | - |
| | 764 | + |
| 783 | 765 | $this->extra_namespaces = array(); |
| 784 | 766 | print $this->post_ns_buffer; |
| 785 | 767 | $this->post_ns_buffer = ''; |
| — | — | @@ -802,21 +784,6 @@ |
| 803 | 785 | } |
| 804 | 786 | |
| 805 | 787 | /** |
| 806 | | - * Adds a reference to the SWIVT schema. This will make sure that at the end of the page, |
| 807 | | - * all required schema references will be defined and point to the appropriate ontology. |
| 808 | | - * |
| 809 | | - * @param $name The fragmend identifier of the entity to be referenced. The SWIVT namespace |
| 810 | | - * is added. |
| 811 | | - * @param $type The type of the referenced identifier, i.e. is it an annotation property, an |
| 812 | | - * object property, a class, etc. Should be given as a QName (i.e. in the form "owl:Class", |
| 813 | | - * etc.) |
| 814 | | - */ |
| 815 | | - public function addSchemaRef( $name, $type ) { |
| 816 | | - if ( !array_key_exists( $name, $this->schema_refs ) ) |
| 817 | | - $this->schema_refs[$name] = $type; |
| 818 | | - } |
| 819 | | - |
| 820 | | - /** |
| 821 | 788 | * Add a given SMWExpResource to the export queue if needed. |
| 822 | 789 | */ |
| 823 | 790 | public function queueElement( $element ) { |