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efrain |
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<?php
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declare(strict_types=1);
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namespace ZipStream\Zip64;
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use ZipStream\PackField;
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/**
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* @internal
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*/
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abstract class EndOfCentralDirectory
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{
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private const SIGNATURE = 0x06064b50;
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public static function generate(
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int $versionMadeBy,
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int $versionNeededToExtract,
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int $numberOfThisDisk,
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int $numberOfTheDiskWithCentralDirectoryStart,
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int $numberOfCentralDirectoryEntriesOnThisDisk,
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int $numberOfCentralDirectoryEntries,
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int $sizeOfCentralDirectory,
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int $centralDirectoryStartOffsetOnDisk,
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string $extensibleDataSector,
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): string {
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$recordSize = 44 + strlen($extensibleDataSector); // (length of block - 12) = 44;
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/** @psalm-suppress MixedArgument */
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return PackField::pack(
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new PackField(format: 'V', value: static::SIGNATURE),
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new PackField(format: 'P', value: $recordSize),
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new PackField(format: 'v', value: $versionMadeBy),
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new PackField(format: 'v', value: $versionNeededToExtract),
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new PackField(format: 'V', value: $numberOfThisDisk),
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new PackField(format: 'V', value: $numberOfTheDiskWithCentralDirectoryStart),
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new PackField(format: 'P', value: $numberOfCentralDirectoryEntriesOnThisDisk),
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new PackField(format: 'P', value: $numberOfCentralDirectoryEntries),
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new PackField(format: 'P', value: $sizeOfCentralDirectory),
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new PackField(format: 'P', value: $centralDirectoryStartOffsetOnDisk),
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) . $extensibleDataSector;
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}
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}
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