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<?php
namespace SMW\Exporter;
use RuntimeException;
use SMWDataItem as DataItem;
use SMWDIBlob as DIBlob;
use SMWDIBoolean as DIBoolean;
use SMWDINumber as DINumber;
use SMWDITime as DITime;
/**
* This class only maps primitive types (string, boolean, integers ) mostly to
* be encoded as literal and all other dataitems are handled separately.
*
* @license GNU GPL v2+
* @since 2.2
*
* @author Markus Krötzsch
* @author mwjames
*/
class XsdValueMapper {
/**
* @var string
*/
private $xsdValue = '';
/**
* @var string
*/
private $xsdType = '';
/**
* @since 2.2
*
* @param DataItem $dataItem
*
* @throws RuntimeException
*/
public function map( DataItem $dataItem ) {
if ( $dataItem instanceof DIBoolean ) {
$this->parseToBooleanValue( $dataItem );
} elseif ( $dataItem instanceof DINumber ) {
$this->parseToDoubleValue( $dataItem );
} elseif ( $dataItem instanceof DIBlob ) {
$this->parseToStringValue( $dataItem );
} elseif ( $dataItem instanceof DITime && $dataItem->getCalendarModel() === DITime::CM_GREGORIAN ) {
$this->parseToTimeValueForGregorianCalendarModel( $dataItem );
} else {
throw new RuntimeException( "Cannot match the dataItem of type " . $dataItem->getDIType() );
}
}
/**
* @since 2.2
*
* @return string
*/
public function getXsdValue() {
return $this->xsdValue;
}
/**
* @since 2.2
*
* @return string
*/
public function getXsdType() {
return $this->xsdType;
}
private function parseToStringValue( DIBlob $dataItem ) {
$this->xsdValue = smwfHTMLtoUTF8( $dataItem->getString() );
$this->xsdType = 'http://www.w3.org/2001/XMLSchema#string';
}
private function parseToDoubleValue( DINumber $dataItem ) {
$this->xsdValue = strval( $dataItem->getNumber() );
$this->xsdType = 'http://www.w3.org/2001/XMLSchema#double';
}
private function parseToBooleanValue( DIBoolean $dataItem ) {
$this->xsdValue = $dataItem->getBoolean() ? 'true' : 'false';
$this->xsdType = 'http://www.w3.org/2001/XMLSchema#boolean';
}
private function parseToTimeValueForGregorianCalendarModel( DITime $dataItem ) {
if ( $dataItem->getYear() > 0 ) {
$xsdvalue = str_pad( $dataItem->getYear(), 4, "0", STR_PAD_LEFT );
} else {
$xsdvalue = '-' . str_pad( 1 - $dataItem->getYear(), 4, "0", STR_PAD_LEFT );
}
$xsdtype = 'http://www.w3.org/2001/XMLSchema#gYear';
if ( $dataItem->getPrecision() >= DITime::PREC_YM ) {
$xsdtype = 'http://www.w3.org/2001/XMLSchema#gYearMonth';
$xsdvalue .= '-' . str_pad( $dataItem->getMonth(), 2, "0", STR_PAD_LEFT );
if ( $dataItem->getPrecision() >= DITime::PREC_YMD ) {
$xsdtype = 'http://www.w3.org/2001/XMLSchema#date';
$xsdvalue .= '-' . str_pad( $dataItem->getDay(), 2, "0", STR_PAD_LEFT );
if ( $dataItem->getPrecision() == DITime::PREC_YMDT ) {
$xsdtype = 'http://www.w3.org/2001/XMLSchema#dateTime';
$xsdvalue .= 'T' .
sprintf( "%02d", $dataItem->getHour() ) . ':' .
sprintf( "%02d", $dataItem->getMinute()) . ':' .
sprintf( "%02d", $dataItem->getSecond() );
}
// https://www.w3.org/TR/2005/NOTE-timezone-20051013/
// "Time zone identification in the date and time types relies
// entirely on time zone offset from UTC."
// Zone offset Z indicates UTC
$xsdvalue .= 'Z';
}
}
$this->xsdValue = $xsdvalue;
$this->xsdType = $xsdtype;
}
}
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