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<?php |
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namespace Popy\Calendar\Parser\SymbolParser; |
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use Popy\Calendar\Parser\FormatToken; |
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use Popy\Calendar\Parser\SymbolParserInterface; |
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use Popy\Calendar\Parser\FormatParserInterface; |
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use Popy\Calendar\Parser\DateLexer\PregSimple; |
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use Popy\Calendar\Parser\DateLexer\PregChoice; |
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use Popy\Calendar\Formatter\LocalisationInterface; |
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use Popy\Calendar\Formatter\Localisation\NativeHardcoded; |
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/** |
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* Implementation of the native DateTime month/days formats using preg lexers. |
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*/ |
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class PregNativeDateFragmented implements SymbolParserInterface |
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{ |
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/** |
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* Localisation |
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* |
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* @var LocalisationInterface |
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*/ |
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protected $locale; |
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/** |
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* Class constructor. |
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* |
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* @param LocalisationInterface|null $locale |
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*/ |
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public function __construct(LocalisationInterface $locale = null) |
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{ |
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$this->locale = $locale ?: new NativeHardcoded(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function parseSymbol(FormatToken $token, FormatParserInterface $parser) |
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{ |
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if ($token->is('o')) { |
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// o ISO-8601 week-numbering year. This has the same value as Y, except that if the ISO week number (W) belongs to the previous or next year, that year is used instead. |
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return new PregSimple($token, '\d\d\d\d'); |
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} |
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if ($token->is('F')) { |
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// F A full textual representation of a month, such as January or March |
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return $this->buildXNamesLexer('Month', $token); |
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} |
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if ($token->is('M')) { |
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// M A short textual representation of a month, three letters Jan through Dec |
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return $this->buildXNamesLexer('MonthShort', $token); |
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} |
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if ($token->is('m')) { |
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// m Numeric representation of a month, with leading zeros 01 through 12 |
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return new PregSimple($token, '\d\d'); |
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} |
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if ($token->is('n')) { |
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// n Numeric representation of a month, without leading zeros |
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return new PregSimple($token, '\d\d?'); |
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} |
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if ($token->is('t')) { |
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// t Number of days in the given month |
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return new PregSimple($token, '\d\d?'); |
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} |
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if ($token->is('d')) { |
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// d Day of the month, 2 digits with leading zeros 01 to 31 |
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return new PregSimple($token, '\d\d'); |
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} |
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if ($token->is('j')) { |
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// j Day of the month without leading zeros 1 to 31 |
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return new PregSimple($token, '\d\d?'); |
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} |
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if ($token->is('l')) { |
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// l (lowercase 'L') A full textual representation of the day of the week |
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return $this->buildXNamesLexer('Day', $token); |
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} |
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if ($token->is('D')) { |
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// D A textual representation of a day, three letters |
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return $this->buildXNamesLexer('DayShort', $token); |
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} |
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if ($token->is('S')) { |
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// S English ordinal suffix for the day of the month, 2 characters |
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return $this->buildSuffixesLexer($token); |
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} |
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if ($token->is('w')) { |
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// w Numeric representation of the day of the week 0 (for Sunday) through 6 (for Saturday) |
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return new PregSimple($token, '\d'); |
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} |
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if ($token->is('z')) { |
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// z The day of the year (starting from 0) |
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return new PregSimple($token, '\d{1,3}'); |
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} |
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if ($token->is('N')) { |
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// N ISO-8601 numeric representation of the day of the week (added in PHP 5.1.0) 1 (for Monday) through 7 (for Sunday) |
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return new PregSimple($token, '\d'); |
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} |
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if ($token->is('W')) { |
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// W ISO-8601 week number of year, weeks starting on Monday |
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return new PregSimple($token, '\d\d?'); |
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} |
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} |
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/** |
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* Builds a choice lexer based on a get*name localisation method. |
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* |
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* @param string $x Method name middle part. |
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* @param FormatToken $token Token. |
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* |
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* @return PregChoice |
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*/ |
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protected function buildXNamesLexer($x, FormatToken $token) |
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{ |
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$choices = []; |
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$i = 0; |
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while (null !== $label = $this->locale->{'get' . $x . 'Name'}($i++)) { |
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$choices[] = $label; |
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} |
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return new PregChoice($token, $choices); |
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} |
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/** |
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* Builds a choice lexer based on the getNumberOrdinalSuffix localisation |
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* method. |
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* |
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* @param FormatToken $token Token. |
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* |
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* @return PregChoice |
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*/ |
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protected function buildSuffixesLexer(FormatToken $token) |
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{ |
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$choices = []; |
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$i = 0; |
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$repetitions = 0; |
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while ($label = $this->locale->getNumberOrdinalSuffix($i++)) { |
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if (!in_array($label, $choices)) { |
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$choices[] = $label; |
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$repetitions = 0; |
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} elseif (++$repetitions > 5) { |
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break; |
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} |
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} |
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return new PregChoice($token, $choices); |
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} |
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} |
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popy-dev /
popy-calendar
