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<?php |
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namespace DataValues\Geo\Parsers; |
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use ValueParsers\ParseException; |
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use ValueParsers\ParserOptions; |
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/** |
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* Parser for geographical coordinates in Decimal Minute notation. |
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* |
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* @since 0.1 |
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* |
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* @license GPL-2.0+ |
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* @author Jeroen De Dauw < [email protected] > |
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* @author H. Snater < [email protected] > |
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*/ |
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class DmCoordinateParser extends DdCoordinateParser { |
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const FORMAT_NAME = 'dm-coordinate'; |
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/** |
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* The symbols representing minutes. |
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* @since 0.1 |
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*/ |
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const OPT_MINUTE_SYMBOL = 'minute'; |
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/** |
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* @param ParserOptions|null $options |
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*/ |
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public function __construct( ParserOptions $options = null ) { |
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parent::__construct( $options ); |
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$this->defaultOption( self::OPT_MINUTE_SYMBOL, "'" ); |
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$this->defaultDelimiters = array( $this->getOption( self::OPT_MINUTE_SYMBOL ) ); |
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} |
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/** |
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* @see LatLongParserBase::areValidCoordinates |
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* |
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* @param string[] $normalizedCoordinateSegments |
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* |
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* @return bool |
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*/ |
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protected function areValidCoordinates( array $normalizedCoordinateSegments ) { |
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// At least one coordinate segment needs to have minutes specified. |
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$regExpStrict = '\d{1,3}' |
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. preg_quote( $this->getOption( self::OPT_DEGREE_SYMBOL ) ) |
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// TODO: Implement localized decimal separator. |
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. '(\d{1,2}(\.\d{1,20})?' |
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. preg_quote( $this->getOption( self::OPT_MINUTE_SYMBOL ) ) |
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. ')'; |
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$regExpLoose = $regExpStrict . '?'; |
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// Cache whether minutes have been detected within the coordinate: |
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$detectedMinute = false; |
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// Cache whether the coordinates are specified in directional format (a mixture of |
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// directional and non-directional is regarded invalid). |
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$directional = false; |
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foreach ( $normalizedCoordinateSegments as $i => $segment ) { |
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$direction = '(' |
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. $this->getOption( self::OPT_NORTH_SYMBOL ) . '|' |
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. $this->getOption( self::OPT_SOUTH_SYMBOL ) . ')'; |
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if ( $i === 1 ) { |
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$direction = '(' |
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. $this->getOption( self::OPT_EAST_SYMBOL ) . '|' |
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. $this->getOption( self::OPT_WEST_SYMBOL ) . ')'; |
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} |
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$match = preg_match( |
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'/^(' . $regExpStrict . $direction . '|' . $direction . $regExpStrict . ')$/i', |
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$segment |
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); |
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if ( $match ) { |
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$detectedMinute = true; |
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} else { |
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$match = preg_match( |
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'/^(' . $regExpLoose . $direction . '|' . $direction . $regExpLoose . ')$/i', |
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$segment |
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); |
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} |
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if ( $match ) { |
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$directional = true; |
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} elseif ( !$directional ) { |
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$match = preg_match( '/^(-)?' . $regExpStrict . '$/i', $segment ); |
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if ( $match ) { |
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$detectedMinute = true; |
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} else { |
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$match = preg_match( '/^(-)?' . $regExpLoose . '$/i', $segment ); |
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} |
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} |
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if ( !$match ) { |
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return false; |
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} |
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} |
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return $detectedMinute; |
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} |
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/** |
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* @see DdCoordinateParser::getNormalizedNotation |
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* |
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* @param string $coordinates |
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* |
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* @return string |
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*/ |
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protected function getNormalizedNotation( $coordinates ) { |
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$minute = $this->getOption( self::OPT_MINUTE_SYMBOL ); |
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$coordinates = str_replace( array( '′', '′', '´', '′' ), $minute, $coordinates ); |
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$coordinates = parent::getNormalizedNotation( $coordinates ); |
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$coordinates = $this->removeInvalidChars( $coordinates ); |
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return $coordinates; |
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} |
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/** |
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* @see DdCoordinateParser::parseCoordinate |
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* |
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* @param string $coordinateSegment |
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* |
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* @return float |
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*/ |
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protected function parseCoordinate( $coordinateSegment ) { |
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$isNegative = substr( $coordinateSegment, 0, 1 ) === '-'; |
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if ( $isNegative ) { |
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$coordinateSegment = substr( $coordinateSegment, 1 ); |
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} |
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$degreeSymbol = $this->getOption( self::OPT_DEGREE_SYMBOL ); |
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$exploded = explode( $degreeSymbol, $coordinateSegment ); |
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if ( count( $exploded ) !== 2 ) { |
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throw new ParseException( |
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'Unable to explode coordinate segment by degree symbol (' . $degreeSymbol . ')', |
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$coordinateSegment, |
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self::FORMAT_NAME |
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); |
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} |
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list( $degrees, $minutes ) = $exploded; |
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$minutes = substr( $minutes, 0, -1 ); |
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$coordinateSegment = $degrees + $minutes / 60; |
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if ( $isNegative ) { |
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$coordinateSegment *= -1; |
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} |
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return (float)$coordinateSegment; |
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} |
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} |
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DataValues /
Geo
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..