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<?php |
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declare( strict_types = 1 ); |
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namespace Maps\WikitextParsers; |
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use DataValues\Geo\Values\LatLongValue; |
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use Jeroen\SimpleGeocoder\Geocoder; |
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use Maps\LegacyModel\Line; |
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use Maps\MapsFactory; |
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use ValueParsers\StringValueParser; |
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use ValueParsers\ValueParser; |
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/** |
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* ValueParser that parses the string representation of a line. |
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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 Kim Eik |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class LineParser implements ValueParser { |
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private $metaDataSeparator = '~'; |
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private $geocoder = null; |
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public function setGeocoder( Geocoder $geocoder ) { |
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$this->geocoder = $geocoder; |
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} |
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private function getGeocoder(): Geocoder { |
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if ( $this->geocoder == null ) { |
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$this->geocoder = MapsFactory::globalInstance()->getGeocoder(); |
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} |
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return $this->geocoder; |
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} |
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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 Line |
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*/ |
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public function parse( $value ) { |
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$parts = explode( $this->metaDataSeparator, $value ); |
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$line = $this->constructShapeFromLatLongValues( |
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$this->parseCoordinates( |
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explode( ':', array_shift( $parts ) ) |
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) |
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); |
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$this->handleCommonParams( $parts, $line ); |
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return $line; |
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} |
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protected function constructShapeFromLatLongValues( array $locations ) { |
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return new Line( $locations ); |
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} |
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/** |
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* @since 3.0 |
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* |
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* @param string[] $coordinateStrings |
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* |
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* @return LatLongValue[] |
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*/ |
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protected function parseCoordinates( array $coordinateStrings ): array { |
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$coordinates = []; |
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foreach ( $coordinateStrings as $coordinateString ) { |
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$coordinate = $this->getGeocoder()->geocode( $coordinateString ); |
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if ( $coordinate !== null ) { |
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// TODO: good if the user knows something has been omitted |
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$coordinates[] = $coordinate; |
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} |
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} |
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return $coordinates; |
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} |
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/** |
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* This method requires that parameters are positionally correct, |
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* 1. Link (one parameter) or bubble data (two parameters) |
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* 2. Stroke data (three parameters) |
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* 3. Fill data (two parameters) |
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* e.g ...title~text~strokeColor~strokeOpacity~strokeWeight~fillColor~fillOpacity |
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* |
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* @since 3.0 |
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* |
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* @param array $params |
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* @param Line $line |
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*/ |
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protected function handleCommonParams( array &$params, Line &$line ) { |
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//Handle bubble and link parameters |
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//create link data |
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$linkOrTitle = array_shift( $params ) ?? ''; |
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if ( $link = $this->isLinkParameter( $linkOrTitle ) ) { |
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$this->setLinkFromParameter( $line, $link ); |
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} else { |
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//create bubble data |
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$this->setBubbleDataFromParameter( $line, $params, $linkOrTitle ); |
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} |
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//handle stroke parameters |
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if ( $color = array_shift( $params ) ) { |
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$line->setStrokeColor( $color ); |
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} |
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if ( $opacity = array_shift( $params ) ) { |
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$line->setStrokeOpacity( $opacity ); |
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} |
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if ( $weight = array_shift( $params ) ) { |
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$line->setStrokeWeight( $weight ); |
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} |
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} |
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/** |
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* Checks if a string is prefixed with link: |
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* |
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* @static |
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* |
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* @param $link |
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* |
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* @return bool|string |
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* @since 2.0 |
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*/ |
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private function isLinkParameter( $link ) { |
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if ( strpos( $link, 'link:' ) === 0 ) { |
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return substr( $link, 5 ); |
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} |
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return false; |
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} |
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protected function setLinkFromParameter( Line &$line, $link ) { |
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if ( filter_var( $link, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED ) ) { |
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$line->setLink( $link ); |
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} else { |
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$title = \Title::newFromText( $link ); |
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$line->setLink( $title->getFullURL() ); |
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} |
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} |
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protected function setBubbleDataFromParameter( Line &$line, &$params, $title ) { |
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if ( $title ) { |
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$line->setTitle( $title ); |
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} |
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if ( $text = array_shift( $params ) ) { |
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$line->setText( $text ); |
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} |
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} |
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} |
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JeroenDeDauw /
Maps
