<?php
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namespace PhpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard;
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use NumberFormatter;
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use PhpOffice\PhpSpreadsheet\Exception;
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use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
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use Stringable;
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abstract class NumberBase implements Stringable
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{
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protected const MAX_DECIMALS = 30;
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protected int $decimals = 2;
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protected ?string $locale = null;
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protected ?string $fullLocale = null;
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protected ?string $localeFormat = null;
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public function setDecimals(int $decimals = 2): void
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{
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$this->decimals = ($decimals > self::MAX_DECIMALS) ? self::MAX_DECIMALS : max($decimals, 0);
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}
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/**
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* Setting a locale will override any settings defined in this class.
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*
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* @throws Exception If the locale code is not a valid format
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*/
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public function setLocale(?string $locale = null): void
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{
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if ($locale === null) {
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$this->localeFormat = $this->locale = $this->fullLocale = null;
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return;
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}
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$this->locale = $this->validateLocale($locale);
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if (class_exists(NumberFormatter::class)) {
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$this->localeFormat = $this->getLocaleFormat();
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}
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}
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/**
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* Stub: should be implemented as a concrete method in concrete wizards.
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*/
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abstract protected function getLocaleFormat(): string;
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/**
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* @throws Exception If the locale code is not a valid format
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*/
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private function validateLocale(string $locale): string
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{
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if (preg_match(Locale::STRUCTURE, $locale, $matches, PREG_UNMATCHED_AS_NULL) !== 1) {
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throw new Exception("Invalid locale code '{$locale}'");
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}
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['language' => $language, 'script' => $script, 'country' => $country] = $matches;
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// Set case and separator to match standardised locale case
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$language = strtolower($language ?? '');
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$script = ($script === null) ? null : ucfirst(strtolower($script));
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$country = ($country === null) ? null : strtoupper($country);
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$this->fullLocale = implode('-', array_filter([$language, $script, $country]));
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return $country === null ? $language : "{$language}-{$country}";
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}
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public function format(): string
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{
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return NumberFormat::FORMAT_GENERAL;
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}
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public function __toString(): string
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{
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return $this->format();
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}
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}
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