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<?php
namespace SMW\DataValues;
use SMW\DIProperty;
use SMW\Localizer\Localizer;
use SMWDataItem as DataItem;
use SMWDIBlob as DIBlob;
use SMWInfolink as Infolink;
/**
* @private
*
* @license GPL-2.0-or-later
* @since 3.0
*
* @author mwjames
*/
class KeywordValue extends StringValue {
/**
* DV identifier
*/
const TYPE_ID = '_keyw';
/**
* @var string|null
*/
private $uri = null;
/**
* @param string $typeid
*/
public function __construct( $typeid = '' ) {
parent::__construct( self::TYPE_ID );
}
/**
* @see DataValue::parseUserValue
*
* @param string $value
*/
protected function parseUserValue( $value ) {
// For the normal blob field setup multi-byte requires more space and
// since we use the o_hash field to store the normalized content and
// as match field, ensure to have enough space to actually store
// a mb keyword
$maxLength = mb_detect_encoding( $value, 'ASCII', true ) ? 150 : 85;
if ( mb_strlen( $value, 'utf8' ) > $maxLength ) {
$this->addErrorMsg( [ 'smw-datavalue-keyword-maximum-length', $maxLength ] );
return;
}
if ( $this->getOption( self::OPT_QUERY_COMP_CONTEXT ) || $this->getOption( self::OPT_QUERY_CONTEXT ) ) {
$value = DIBlob::normalize( $value );
}
if ( $this->m_caption === false ) {
$this->m_caption = $value;
}
parent::parseUserValue( $value );
$this->m_dataitem->setOption( 'is.keyword', true );
}
/**
* @see DataValue::getDataItem
*/
public function getDataItem() {
if ( $this->isValid() && $this->getOption( 'is.search' ) ) {
return new DIBlob( DIBlob::normalize( $this->m_dataitem->getString() ) );
}
return parent::getDataItem();
}
/**
* @see DataValue::getShortWikiText
*
* @param string|null $linker
*/
public function getShortWikiText( $linker = null ) {
if ( !$this->isValid() ) {
return '';
}
if ( !$this->m_caption ) {
$this->m_caption = $this->m_dataitem->getString();
}
if ( $linker === null ) {
return $this->m_caption;
}
$uri = $this->makeUri(
$this->m_dataitem->getString(),
SMW_OUTPUT_WIKI,
$linker
);
if ( $uri === '' ) {
return $this->m_caption;
}
return $uri;
}
/**
* @see StringValue::getShortHTMLText
*/
public function getShortHTMLText( $linker = null ) {
if ( !$this->isValid() ) {
return '';
}
if ( !$this->m_caption ) {
$this->m_caption = $this->m_dataitem->getString();
}
if ( $linker === null ) {
return $this->m_caption;
}
$uri = $this->makeUri(
$this->m_dataitem->getString(),
SMW_OUTPUT_HTML,
$linker
);
if ( $uri === '' ) {
return $this->m_caption;
}
return $uri;
}
/**
* @see StringValue::getLongWikiText
*/
public function getLongWikiText( $linked = null ) {
return $this->getShortWikiText( $linked );
}
/**
* @see StringValue::getLongHTMLText
*/
public function getLongHTMLText( $linker = null ) {
return $this->getShortHTMLText( $linker );
}
/**
* @since 2.5
*
* @return DataItem
*/
public function getUri() {
if ( !$this->isValid() ) {
return '';
}
$uri = $this->makeUri(
$this->m_dataitem->getString(),
SMW_OUTPUT_RAW
);
if ( $uri === '' ) {
return '';
}
$dataValue = $this->dataValueServiceFactory->getDataValueFactory()->newDataValueByType(
'_uri',
$uri
);
return $dataValue->getDataItem();
}
private function makeUri( $value, $outputformat, $linker = null ) {
if ( $this->uri !== null ) {
return $this->uri;
}
$propertySpecificationLookup = $this->dataValueServiceFactory->getPropertySpecificationLookup();
// Formatter schema?
$dataItems = $propertySpecificationLookup->getSpecification(
$this->getProperty(),
new DIProperty( '_FORMAT_SCHEMA' )
);
if ( $dataItems === [] ) {
return '';
}
$dataItem = end( $dataItems );
$dataItems = $propertySpecificationLookup->getSpecification(
$dataItem,
new DIProperty( '_SCHEMA_DEF' )
);
if ( $dataItems === [] ) {
return '';
}
$dataItem = end( $dataItems );
$link = $this->getFormatLink( $dataItem, $value );
if ( $link === '' ) {
return '';
}
$this->uri = $link->getText( $outputformat );
$this->uri = Localizer::getInstance()->getCanonicalizedUrlByNamespace(
NS_SPECIAL,
$this->uri
);
return $this->uri;
}
private function getFormatLink( $dataItem, $value ) {
$infolink = '';
$data = json_decode(
$dataItem->getString(),
true
);
// Schema enforced
if ( $data['type'] !== 'LINK_FORMAT_SCHEMA' ) {
return '';
}
if ( !isset( $data['rule']['link_to'] ) ) {
return '';
}
$link_to = $data['rule']['link_to'];
$label = $this->getProperty()->getLabel();
if ( $link_to === 'SPECIAL_ASK' ) {
$infolink = Infolink::newInternalLink( $this->m_caption, ':Special:Ask', false, [] );
$infolink->setParameter( "[[$label::$value]]", false );
$infolink->setCompactLink( $this->getOption( self::OPT_COMPACT_INFOLINKS, false ) );
foreach ( $data['rule']['parameters'] as $key => $value ) {
if ( $key === 'title' || $key === 'msg' ) {
$key = "b$key";
}
if ( $key === 'printouts' ) {
foreach ( $value as $v ) {
$infolink->setParameter( "?$v" );
}
} else {
$infolink->setParameter( $value, $key );
}
}
} elseif ( $link_to === 'SPECIAL_SEARCH_BY_PROPERTY' ) {
$infolink = Infolink::newInternalLink( $this->m_caption, ':Special:SearchByProperty', false, [] );
$infolink->setCompactLink( $this->getOption( self::OPT_COMPACT_INFOLINKS, false ) );
$infolink->setParameter( ":$label" );
$infolink->setParameter( $value );
}
return $infolink;
}
}