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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 Degree Minute Second notation. |
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* |
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* @since 0.1 |
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* |
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* @license GPL-2.0-or-later |
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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 DmsCoordinateParser extends DmCoordinateParser { |
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public const FORMAT_NAME = 'dms-coordinate'; |
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/** |
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* The symbol representing seconds. |
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* @since 0.1 |
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*/ |
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public const OPT_SECOND_SYMBOL = 'second'; |
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/** |
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* @param ParserOptions|null $options |
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*/ |
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public function __construct( ParserOptions $options = null ) { |
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$options = $options ?: new ParserOptions(); |
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$options->defaultOption( self::OPT_SECOND_SYMBOL, '"' ); |
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parent::__construct( $options ); |
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$this->defaultDelimiters = [ $this->getOption( self::OPT_SECOND_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 $normalizedCoordinateSegments ): bool { |
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// At least one coordinate segment needs to have seconds specified (which additionally |
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// requires minutes to be specified). |
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$regExpLoose = '(\d{1,3}' |
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. preg_quote( $this->getOption( self::OPT_DEGREE_SYMBOL ) ) |
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. ')(\d{1,2}' |
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. preg_quote( $this->getOption( self::OPT_MINUTE_SYMBOL ) ) |
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. ')?((\d{1,2}' |
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. preg_quote( $this->getOption( self::OPT_SECOND_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( $this->getOption( self::OPT_SECOND_SYMBOL ) ) |
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. ')?)'; |
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$regExpStrict = str_replace( '?', '', $regExpLoose ); |
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// Cache whether seconds have been detected within the coordinate: |
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$detectedSecond = 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 ( $match ) { |
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$detectedSecond = 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 ( $match ) { |
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$detectedSecond = 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 $detectedSecond; |
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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( string $coordinates ): string { |
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$second = $this->getOption( self::OPT_SECOND_SYMBOL ); |
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$minute = $this->getOption( self::OPT_MINUTE_SYMBOL ); |
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$coordinates = str_replace( |
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[ '″', '″', $minute . $minute, '´´', '′′', '″' ], |
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$second, |
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$coordinates |
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); |
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$coordinates = str_replace( [ '´', '´' ], $second, $coordinates ); |
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$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( string $coordinateSegment ): float { |
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$isNegative = mb_substr( $coordinateSegment, 0, 1 ) === '-'; |
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if ( $isNegative ) { |
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$coordinateSegment = mb_substr( $coordinateSegment, 1 ); |
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} |
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$degreeSymbol = $this->getOption( self::OPT_DEGREE_SYMBOL ); |
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$degreePosition = mb_strpos( $coordinateSegment, $degreeSymbol ); |
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if ( $degreePosition === false ) { |
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throw new ParseException( |
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'Did not find 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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$degrees = (float)mb_substr( $coordinateSegment, 0, $degreePosition ); |
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$minutePosition = mb_strpos( $coordinateSegment, $this->getOption( self::OPT_MINUTE_SYMBOL ) ); |
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if ( $minutePosition === false ) { |
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$minutes = 0; |
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} else { |
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$degSignLength = mb_strlen( $this->getOption( self::OPT_DEGREE_SYMBOL ) ); |
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$minuteLength = $minutePosition - $degreePosition - $degSignLength; |
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$minutes = (float)mb_substr( $coordinateSegment, $degreePosition + $degSignLength, $minuteLength ); |
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} |
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$secondPosition = mb_strpos( $coordinateSegment, $this->getOption( self::OPT_SECOND_SYMBOL ) ); |
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if ( $secondPosition === false ) { |
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$seconds = 0; |
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} else { |
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$seconds = (float)mb_substr( |
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$coordinateSegment, |
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( $minutePosition === false ? $degreePosition : $minutePosition ) + 1, |
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-1 |
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); |
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} |
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$coordinateSegment = $degrees + ( $minutes + $seconds / 60 ) / 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..