generated from jric11/baseProject
44 lines
1.1 KiB
PHP
44 lines
1.1 KiB
PHP
<?php
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namespace PhpOffice\PhpSpreadsheet\Calculation;
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/**
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* A dedicated Calculation singleton for formula parsing only.
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*
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* This class provides an isolated instance specifically for parsing formulas
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* without branch pruning, avoiding state conflicts with the main Calculation
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* singleton used for cell value calculations.
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*
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* @internal
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*/
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final class CalculationParserOnly extends Calculation
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{
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/**
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* Instance of this class.
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*/
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private static ?CalculationParserOnly $parserInstance = null;
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/**
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* Branch pruning is disabled by default for parsing-only operations.
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*/
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protected bool $branchPruningEnabled = false;
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/**
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* Get the singleton instance of this parser-only calculator.
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*/
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public static function getParserInstance(): self
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{
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if (!self::$parserInstance) {
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self::$parserInstance = new self();
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}
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return self::$parserInstance;
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}
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/** @param mixed $enabled Unused, property will always be false in this class */
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public function setBranchPruningEnabled(mixed $enabled): self
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{
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return $this;
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}
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}
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