104 lines
3.4 KiB
PHP
104 lines
3.4 KiB
PHP
<?php
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/*
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* This file is part of the Kimai time-tracking app.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace App\Utils;
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final class NumberGenerator
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{
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/**
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* @param string $format
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* @param callable $patternReplacer (receives the parameters: string $originalFormat, string $format, int $increaseBy)
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*/
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public function __construct(private string $format, private $patternReplacer)
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{
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}
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public function getNumber(int $startWith = 0): string
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{
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$result = $this->format;
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preg_match_all('/{[^}]*?}/', $result, $matches);
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foreach ($matches[0] as $part) {
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$partialResult = $this->parseReplacer($part, $startWith);
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$result = str_replace($part, $partialResult, $result);
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}
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return $result;
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}
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private function parseReplacer(string $originalFormat, int $increaseBy): string
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{
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$formatterLength = null;
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$formatPattern = str_replace(['{', '}'], '', $originalFormat);
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$parts = preg_split('/([+\-,])+/', $formatPattern, -1, PREG_SPLIT_DELIM_CAPTURE);
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if ($parts === false) {
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throw new \InvalidArgumentException('Invalid number format received');
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}
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$format = array_shift($parts);
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if (\count($parts) % 2 !== 0) {
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throw new \InvalidArgumentException('Invalid number format configuration found');
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}
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while (null !== ($tmp = array_shift($parts))) {
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switch ($tmp) {
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case '+':
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$local = array_shift($parts);
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if (!is_numeric($local)) {
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throw new \InvalidArgumentException('Unknown increment found');
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}
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$increaseBy = $increaseBy + \intval($local);
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break;
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case '-':
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$local = array_shift($parts);
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if (!is_numeric($local)) {
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throw new \InvalidArgumentException('Unknown decrement found');
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}
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$increaseBy = $increaseBy - \intval($local);
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break;
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case ',':
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$local = array_shift($parts);
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if (!is_numeric($local)) {
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throw new \InvalidArgumentException('Unknown format length found');
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}
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$formatterLength = \intval($local);
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if ((string) $formatterLength !== $local) {
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throw new \InvalidArgumentException('Unknown format length found');
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}
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break;
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default:
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throw new \InvalidArgumentException('Unknown pattern found');
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}
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}
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if ($increaseBy === 0) {
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$increaseBy = 1;
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}
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$partialResult = \call_user_func($this->patternReplacer, $originalFormat, $format, $increaseBy);
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if (!\is_string($partialResult) && !\is_int($partialResult) && !\is_float($partialResult)) {
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throw new \Exception('Number generator callback must return string or integer');
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}
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$partialResult = (string) $partialResult;
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if (null !== $formatterLength) {
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$partialResult = str_pad($partialResult, $formatterLength, '0', STR_PAD_LEFT);
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}
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return $partialResult;
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}
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}
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