65 lines
1.8 KiB
PHP
65 lines
1.8 KiB
PHP
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<?php
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namespace nur\b\date;
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use nur\b\ValueException;
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/**
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* Class Delay: une durée en secondes
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*
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* l'unité pour cet objet est calculé à partir d'un objet Time référence. par
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* exemple, la méthode {@link Delay::getu()} retournera des minutes si l'heure
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* de référence est une instance de {@link Hour}
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*/
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class Delay extends Time {
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const WRAP = false;
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static function parse_delay($ref): array {
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$unit = static::UNIT;
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if ($ref instanceof Time) {
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$unit = $ref->UNIT();
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$seconds = $ref->getSeconds();
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} elseif ($ref === null || is_int($ref)) {
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$seconds = $ref !== null? $ref: 0;
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$seconds *= $unit;
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} elseif (is_array($ref)) {
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[$h, $m, $s] = $ref;
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$seconds = $h * 3600 + $m * 60 + $s;
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} elseif (is_string($ref) && preg_match('/^(-)?(\d+):(\d{2}):(\d{2})$/', $ref, $ms)) {
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$seconds = intval($ms[2]) * 3600 + intval($ms[3]) * 60 + intval($ms[4]);
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if ($ms[1]) $seconds = -$seconds;
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} else {
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throw ValueException::invalid_value($ref, "delay");
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}
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return [$unit, $seconds];
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}
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function UNIT(): int {
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return $this->unit;
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} protected $unit;
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function __construct($ref) {
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parent::__construct(false);
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[$unit, $seconds] = self::parse_delay($ref);
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$this->unit = $unit;
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$this->setSeconds($seconds);
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}
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function __toString(): string {
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$v = $this->seconds;
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$sign = $v < 0? "-": "";
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$v = abs($v);
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$h = intdiv($v, 3600); $v = $v % 3600;
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$m = intdiv($v, 60);
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$s = $v % 60;
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return sprintf("%s%u:%02u:%02u", $sign, $h, $m, $s);
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}
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/** créer un nouvel délai en soustrayant l'heure spécifiée à cette heure */
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function until(Time $end): Time {
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if ($this->isUndef() || $end->isUndef()) return self::undef();
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$clone = clone $this;
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$clone->setSeconds($end->getSeconds() - $clone->getSeconds());
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return $clone;
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}
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}
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