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<?php |
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namespace ValueParsers; |
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use DataValues\TimeValue; |
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/** |
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* ValueParser that parses the string representation of a calendar model. |
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* |
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* @since 0.2 |
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* |
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* @license GPL-2.0+ |
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* @author Addshore |
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* @author Thiemo Kreuz |
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*/ |
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class CalendarModelParser extends StringValueParser { |
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const FORMAT_NAME = 'calendar-model'; |
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/** |
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* Option to provide localized calendar model names for unlocalization. Must be an array mapping |
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* localized calendar model names to URIs. |
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* |
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* @see TimeFormatter::OPT_CALENDARNAMES |
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*/ |
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const OPT_CALENDAR_MODEL_URIS = 'calendar-model-uris'; |
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/** |
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* @deprecated Do not use. |
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* |
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* Regex pattern constant matching the parable calendar models |
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* should be used as an insensitive to match all cases |
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* |
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* TODO: How crucial is it that this regex is in sync with the list below? |
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*/ |
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const MODEL_PATTERN = '(Gregorian|Julian|)'; |
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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_CALENDAR_MODEL_URIS, array() ); |
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} |
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/** |
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* @param string $value |
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* |
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* @throws ParseException |
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* @return string |
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*/ |
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protected function stringParse( $value ) { |
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$uris = $this->getOption( self::OPT_CALENDAR_MODEL_URIS ); |
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if ( array_key_exists( $value, $uris ) ) { |
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return $uris[$value]; |
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} |
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switch ( $value ) { |
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case TimeValue::CALENDAR_GREGORIAN: |
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return TimeValue::CALENDAR_GREGORIAN; |
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case TimeValue::CALENDAR_JULIAN: |
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return TimeValue::CALENDAR_JULIAN; |
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} |
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return $this->getCalendarModelUriFromKey( $value ); |
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} |
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/** |
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* @param string $value |
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* |
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* @throws ParseException |
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* @return string|null |
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*/ |
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private function getCalendarModelUriFromKey( $value ) { |
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$key = strtolower( trim( $value ) ); |
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// TODO: What about abbreviations, e.g. "greg"? |
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switch ( $key ) { |
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case '': |
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case 'gregorian': |
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case 'western': |
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case 'christian': |
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return TimeValue::CALENDAR_GREGORIAN; |
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case 'julian': |
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return TimeValue::CALENDAR_JULIAN; |
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} |
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throw new ParseException( 'Cannot parse calendar model', $value, self::FORMAT_NAME ); |
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} |
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} |
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DataValues /
Time
