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<?php |
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namespace Popy\Calendar\Parser\ResultMapper; |
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use Popy\Calendar\ValueObject\DateParts; |
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use Popy\Calendar\Parser\DateLexerResult; |
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use Popy\Calendar\Parser\ResultMapperInterface; |
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use Popy\Calendar\ValueObject\DateRepresentationInterface; |
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use Popy\Calendar\ValueObject\DateFragmentedRepresentationInterface; |
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/** |
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* Maps standard format month/day/week symbols to |
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* DateFragmentedRepresentationInterface fields. |
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*/ |
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class StandardDateFragmented implements ResultMapperInterface |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function map(DateLexerResult $parts, DateRepresentationInterface $date) |
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{ |
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if (!$date instanceof DateFragmentedRepresentationInterface) { |
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return; |
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} |
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$dateParts = $date |
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->getDateParts() |
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->withFragments([ |
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$this->determineMonth($parts), |
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$this->determineDay($parts), |
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]) |
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->withTransversals([ |
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$parts->get('o') === null ? null : (int)$parts->get('o'), |
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$this->determineWeekIndex($parts), |
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$this->determineDayOfWeek($parts), |
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]) |
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; |
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return $date->withDateParts($dateParts); |
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} |
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/** |
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* Determine month (0 indexed). |
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* |
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* @param DateLexerResult $parts |
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* |
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* @return integer |
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*/ |
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protected function determineMonth(DateLexerResult $parts) |
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{ |
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// m Numeric representation of a month, with leading zeros 01 through 12 |
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// n Numeric representation of a month, without leading zeros |
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if (null !== $m = $parts->getFirst('m', 'n')) { |
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return (int)$m - 1; |
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} |
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// F A full textual representation of a month, such as January or March |
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// M A short textual representation of a month, three letters |
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if (null !== $m = $parts->getFirst('F', 'M')) { |
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return (int)$m; |
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} |
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} |
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/** |
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* Determine day (0 indexed). |
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* |
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* @param DateLexerResult $parts |
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* |
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* @return integer|null |
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*/ |
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protected function determineDay(DateLexerResult $parts) |
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{ |
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// d Day of the month, 2 digits with leading zeros 01 to 31 |
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// j Day of the month without leading zeros 1 to 31 |
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if (null !== $d = $parts->getFirst('j', 'd')) { |
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return (int)$d - 1; |
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} |
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} |
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/** |
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* Determine day of week (0 indexed, starts by monday) |
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* |
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* @param DateLexerResult $parts |
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* |
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* @return integer|null |
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*/ |
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protected function determineDayOfWeek(DateLexerResult $parts) |
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{ |
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// D A textual representation of a day, three letters |
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// l (lowercase 'L') A full textual representation of the day of the week |
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if (null !== $w = $parts->getFirst('D', 'l')) { |
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return (int)$w; |
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} |
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// N ISO-8601 numeric representation of the day of the week (added in PHP 5.1.0) 1 (for Monday) through 7 (for Sunday) |
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if (null !== $w = $parts->get('N')) { |
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return (int)$w - 1; |
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} |
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// w Numeric representation of the day of the week 0 (for Sunday) through 6 (for Saturday) |
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if (null !== $w = $parts->get('w')) { |
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return ((int)$w + 6) % 7; |
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} |
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} |
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/** |
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* Determine ISO week index from iso week number. |
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* |
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* @param DateLexerResult $parts |
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* |
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* @return integer|null |
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*/ |
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protected function determineWeekIndex(DateLexerResult $parts) |
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{ |
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if (null === $w = $parts->get('W')) { |
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return null; |
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} |
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return intval($w) - 1; |
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} |
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} |
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popy-dev /
popy-calendar
