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<?php
namespace SRF\BibTex;
use SMWTimeValue as TimeValue;
use SMWQueryResult as QueryResult;
use SMW\Query\ResultPrinters\FileExportPrinter;
/**
* Printer class for creating BibTeX exports
*
* For details on availble keys see the README
*
* Example of a book :
*
* @Book{abramowitz1964homf,
* author = "Milton Abramowitz and Irene A. Stegun",
* title = "Handbook of Mathematical Functions",
* publisher = "Dover",
* year = 1964,
* address = "New York",
* edition = "ninth Dover printing, tenth GPO printing"
* }
*
* @license GNU GPL v2+
* @since 1.5
*
* @author Markus Krötzsch
* @author Denny Vrandecic
* @author Frank Dengler
* @author Steren Giannini
*/
class BibTexFileExportPrinter extends FileExportPrinter {
/**
* @see ResultPrinter::getName
*
* {@inheritDoc}
*/
public function getName() {
return wfMessage( 'srf_printername_bibtex' )->text();
}
/**
* @see FileExportPrinter::getMimeType
*
* @since 1.8
*
* {@inheritDoc}
*/
public function getMimeType( QueryResult $queryResult ) {
return 'text/bibtex';
}
/**
* @see FileExportPrinter::getFileName
*
* @since 1.8
*
* {@inheritDoc}
*/
public function getFileName( QueryResult $queryResult ) {
if ( $this->params['filename'] !== '' ) {
if ( strpos( $this->params['filename'], '.bib' ) === false ) {
$this->params['filename'] .= '.bib';
}
return str_replace( ' ', '_', $this->params['filename'] );
} elseif ( $this->getSearchLabel( SMW_OUTPUT_WIKI ) != '' ) {
return str_replace( ' ', '_', $this->getSearchLabel( SMW_OUTPUT_WIKI ) ) . '.bib';
}
return 'BibTeX.bib';
}
/**
* @see ResultPrinter::getParamDefinitions
*
* @since 1.8
*
* {@inheritDoc}
*/
public function getParamDefinitions( array $definitions ) {
$params = parent::getParamDefinitions( $definitions );
$params['filename'] = [
'message' => 'smw-paramdesc-filename',
'default' => 'bibtex.bib',
];
return $params;
}
/**
* @since 3.1
*
* @param array $list
*
* @return string
*/
public function getFormattedList( $key, array $values ) {
return $GLOBALS['wgLang']->listToText( $values );
}
/**
* @see ResultPrinter::getResultText
*
* {@inheritDoc}
*/
protected function getResultText( QueryResult $res, $outputMode ) {
if ( $outputMode !== SMW_OUTPUT_FILE ) {
return $this->getBibTexLink( $res, $outputMode );
}
$items = [];
while ( $row = $res->getNext() ) {
$items[] = $this->newItem( $row )->text();
}
return implode( "\r\n\r\n", $items );
}
private function getBibTexLink( QueryResult $res, $outputMode ) {
// Can be viewed as HTML if requested, no more parsing needed
$this->isHTML = $outputMode == SMW_OUTPUT_HTML;
$link = $this->getLink(
$res,
$outputMode
);
return $link->getText( $outputMode, $this->mLinker );
}
/**
* @since 3.1
*
* @param $row array of SMWResultArray
*
* @return bibTexItem
*/
private function newItem( array /* of SMWResultArray */ $row ) {
$item = new Item();
$item->setFormatterCallback( [ $this, 'getFormattedList' ] );
foreach ( $row as /* SMWResultArray */ $field ) {
$printRequest = $field->getPrintRequest();
$values = [];
$label = strtolower( $printRequest->getLabel() );
$dataValue = $field->getNextDataValue();
if ( $dataValue === false ) {
continue;
}
if ( $label === 'date' && $dataValue instanceof TimeValue ) {
$item->set( 'year', $dataValue->getYear() );
$item->set( 'month', $dataValue->getMonth() );
} elseif ( $label === 'author' || $label === 'authors' ) {
$values[] = $dataValue->getShortWikiText();
while ( ( /* SMWDataValue */ $dataValue = $field->getNextDataValue() ) !== false ) {
$values[] = $dataValue->getShortWikiText();
}
$item->set( 'author', $values );
} elseif ( $label === 'editor' || $label === 'editors' ) {
$values[] = $dataValue->getShortWikiText();
while ( ( /* SMWDataValue */ $dataValue = $field->getNextDataValue() ) !== false ) {
$values[] = $dataValue->getShortWikiText();
}
$item->set( 'editor', $values );
} else {
$item->set( $label, $dataValue->getShortWikiText() );
}
}
return $item;
}
}
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