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<?php |
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namespace Maps; |
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use DataValues\Geo\Parsers\GeoCoordinateParser; |
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use DataValues\Geo\Values\LatLongValue; |
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use Maps\Elements\Location; |
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use MWException; |
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use Title; |
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use ValueParsers\ParseException; |
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use ValueParsers\StringValueParser; |
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/** |
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* ValueParser that parses the string representation of a location. |
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* |
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* @since 3.0 |
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* |
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* @licence GNU GPL v2+ |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class LocationParser extends StringValueParser { |
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/** |
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* @see StringValueParser::stringParse |
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* |
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* @since 3.0 |
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* |
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* @param string $value |
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* |
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* @return Location |
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* @throws MWException |
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*/ |
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public function stringParse( $value ) { |
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$separator = '~'; |
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$metaData = explode( $separator, $value ); |
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$coordinatesOrAddress = array_shift( $metaData ); |
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$coordinates = $this->stringToLatLongValue( $coordinatesOrAddress ); |
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$location = new Location( $coordinates ); |
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if ( $metaData !== [] ) { |
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$this->setTitleOrLink( $location, array_shift( $metaData ) ); |
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} |
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else if ( $this->isAddress( $coordinatesOrAddress ) ) { |
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$location->setTitle( $coordinatesOrAddress ); |
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} |
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if ( $metaData !== [] ) { |
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$location->setText( array_shift( $metaData ) ); |
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} |
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if ( $metaData !== [] ) { |
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$location->setIcon( array_shift( $metaData ) ); |
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} |
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if ( $metaData !== [] ) { |
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$location->setGroup( array_shift( $metaData ) ); |
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} |
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if ( $metaData !== [] ) { |
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$location->setInlineLabel( array_shift( $metaData ) ); |
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} |
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return $location; |
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} |
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private function setTitleOrLink( Location $location, $titleOrLink ) { |
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if ( $this->isLink( $titleOrLink ) ) { |
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$this->setLink( $location, $titleOrLink ); |
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} |
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else { |
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$location->setTitle( $titleOrLink ); |
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} |
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} |
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private function isLink( $value ) { |
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return strpos( $value , 'link:' ) === 0; |
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} |
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private function setLink( Location $location, $link ) { |
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$link = substr( $link, 5 ); |
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$location->setLink( $this->getExpandedLink( $link ) ); |
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} |
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private function getExpandedLink( $link ) { |
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if ( filter_var( $link , FILTER_VALIDATE_URL , FILTER_FLAG_SCHEME_REQUIRED ) ) { |
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return $link; |
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} |
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$title = Title::newFromText( $link ); |
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if ( $title === null ) { |
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return ''; |
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} |
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return $title->getFullUrl(); |
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} |
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/** |
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* @param string $location |
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* |
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* @return LatLongValue |
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* @throws ParseException |
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*/ |
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private function stringToLatLongValue( $location ) { |
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if ( Geocoders::canGeocode() ) { |
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$latLongValue = Geocoders::attemptToGeocode( $location ); |
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if ( $latLongValue === false ) { |
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throw new ParseException( 'Failed to parse or geocode' ); |
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} |
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assert( $latLongValue instanceof LatLongValue ); |
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return $latLongValue; |
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} |
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$parser = new GeoCoordinateParser( new \ValueParsers\ParserOptions() ); |
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return $parser->parse( $location ); |
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} |
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/** |
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* @param string $coordsOrAddress |
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* |
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* @return boolean |
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*/ |
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private function isAddress( $coordsOrAddress ) { |
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$coordinateParser = new GeoCoordinateParser( new \ValueParsers\ParserOptions() ); |
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try { |
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$coordinateParser->parse( $coordsOrAddress ); |
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} |
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catch ( ParseException $parseException ) { |
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return false; |
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} |
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return true; |
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} |
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} |
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JeroenDeDauw /
Maps
