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<?php |
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namespace Box\Spout\Writer\Common\Manager; |
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use Box\Spout\Common\Helper\StringHelper; |
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use Box\Spout\Writer\Common\Entity\Sheet; |
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use Box\Spout\Writer\Exception\InvalidSheetNameException; |
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/** |
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* Class SheetManager |
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* Sheet manager |
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*/ |
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class SheetManager |
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{ |
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/** Sheet name should not exceed 31 characters */ |
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const MAX_LENGTH_SHEET_NAME = 31; |
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/** @var array Invalid characters that cannot be contained in the sheet name */ |
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private static $INVALID_CHARACTERS_IN_SHEET_NAME = ['\\', '/', '?', '*', ':', '[', ']']; |
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/** @var array Associative array [WORKBOOK_ID] => [[SHEET_INDEX] => [SHEET_NAME]] keeping track of sheets' name to enforce uniqueness per workbook */ |
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private static $SHEETS_NAME_USED = []; |
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/** @var StringHelper */ |
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private $stringHelper; |
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/** |
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* SheetManager constructor. |
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* |
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* @param StringHelper $stringHelper |
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*/ |
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public function __construct(StringHelper $stringHelper) |
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{ |
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$this->stringHelper = $stringHelper; |
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} |
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/** |
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* Throws an exception if the given sheet's name is not valid. |
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* @see Sheet::setName for validity rules. |
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* |
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* @param string $name |
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* @param Sheet $sheet The sheet whose future name is checked |
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* @throws \Box\Spout\Writer\Exception\InvalidSheetNameException If the sheet's name is invalid. |
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* @return void |
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*/ |
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public function throwIfNameIsInvalid($name, Sheet $sheet) |
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{ |
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if (!\is_string($name)) { |
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$actualType = \gettype($name); |
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$errorMessage = "The sheet's name is invalid. It must be a string ($actualType given)."; |
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throw new InvalidSheetNameException($errorMessage); |
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} |
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$failedRequirements = []; |
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$nameLength = $this->stringHelper->getStringLength($name); |
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if (!$this->isNameUnique($name, $sheet)) { |
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$failedRequirements[] = 'It should be unique'; |
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} else { |
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if ($nameLength === 0) { |
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$failedRequirements[] = 'It should not be blank'; |
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} else { |
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if ($nameLength > self::MAX_LENGTH_SHEET_NAME) { |
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$failedRequirements[] = 'It should not exceed 31 characters'; |
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} |
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if ($this->doesContainInvalidCharacters($name)) { |
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$failedRequirements[] = 'It should not contain these characters: \\ / ? * : [ or ]'; |
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} |
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if ($this->doesStartOrEndWithSingleQuote($name)) { |
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$failedRequirements[] = 'It should not start or end with a single quote'; |
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} |
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} |
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} |
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if (\count($failedRequirements) !== 0) { |
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$errorMessage = "The sheet's name (\"$name\") is invalid. It did not respect these rules:\n - "; |
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$errorMessage .= \implode("\n - ", $failedRequirements); |
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throw new InvalidSheetNameException($errorMessage); |
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} |
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} |
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/** |
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* Returns whether the given name contains at least one invalid character. |
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* @see Sheet::$INVALID_CHARACTERS_IN_SHEET_NAME for the full list. |
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* |
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* @param string $name |
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* @return bool TRUE if the name contains invalid characters, FALSE otherwise. |
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*/ |
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private function doesContainInvalidCharacters($name) |
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{ |
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return (\str_replace(self::$INVALID_CHARACTERS_IN_SHEET_NAME, '', $name) !== $name); |
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} |
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/** |
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* Returns whether the given name starts or ends with a single quote |
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* |
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* @param string $name |
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* @return bool TRUE if the name starts or ends with a single quote, FALSE otherwise. |
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*/ |
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private function doesStartOrEndWithSingleQuote($name) |
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{ |
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$startsWithSingleQuote = ($this->stringHelper->getCharFirstOccurrencePosition('\'', $name) === 0); |
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$endsWithSingleQuote = ($this->stringHelper->getCharLastOccurrencePosition('\'', $name) === ($this->stringHelper->getStringLength($name) - 1)); |
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return ($startsWithSingleQuote || $endsWithSingleQuote); |
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} |
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/** |
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* Returns whether the given name is unique. |
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* |
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* @param string $name |
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* @param Sheet $sheet The sheet whose future name is checked |
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* @return bool TRUE if the name is unique, FALSE otherwise. |
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*/ |
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private function isNameUnique($name, Sheet $sheet) |
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{ |
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foreach (self::$SHEETS_NAME_USED[$sheet->getAssociatedWorkbookId()] as $sheetIndex => $sheetName) { |
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if ($sheetIndex !== $sheet->getIndex() && $sheetName === $name) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @param int $workbookId Workbook ID associated to a Sheet |
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* @return void |
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*/ |
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public function markWorkbookIdAsUsed($workbookId) |
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{ |
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if (!isset(self::$SHEETS_NAME_USED[$workbookId])) { |
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self::$SHEETS_NAME_USED[$workbookId] = []; |
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} |
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} |
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/** |
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* @param Sheet $sheet |
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* @return void |
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*/ |
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public function markSheetNameAsUsed(Sheet $sheet) |
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{ |
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self::$SHEETS_NAME_USED[$sheet->getAssociatedWorkbookId()][$sheet->getIndex()] = $sheet->getName(); |
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} |
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} |
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box /
spout
