private PackageEntryEntity Initialize(PackageEntryEntity entity, CentralDirectoryHeader metadata)
{
entity.Comment = metadata.Comment;
entity.CommentSize = metadata.CommentSize;
entity.CompressedSize = metadata.CompressedSize;
entity.CompressionMethod = metadata.CompressionMethod;
entity.Crc32 = metadata.Crc32;
entity.DiskNumberStart = metadata.DiskNumberStart;
entity.ExternalAttributes = metadata.ExternalAttributes;
entity.ExtraField = metadata.ExtraField;
entity.ExtraFieldSize = metadata.ExtraFieldSize;
entity.Flags = metadata.Flags;
entity.InternalAttributes = metadata.InternalAttributes;
entity.LastModifiedDate = metadata.LastModifiedDate;
entity.LastModifiedTime = metadata.LastModifiedTime;
entity.LocalHeaderOffset = metadata.LocalHeaderOffset;
entity.Name = metadata.Name;
entity.NameSize = metadata.NameSize;
entity.UncompressedSize = metadata.UncompressedSize;
entity.VersionMadeBy = metadata.VersionMadeBy;
entity.VersionToExtract = metadata.VersionToExtract;
return(entity);
}
private PackageArchiveEntity Initialize(PackageArchiveEntity entity, PackageArchiveMetadata metadata)
{
entity.Size = metadata.Size;
entity.EntryCount = metadata.ZipDirectory.Entries.Count;
entity.CentralDirectorySize = metadata.ZipDirectory.CentralDirectorySize;
entity.Comment = metadata.ZipDirectory.Comment;
entity.CommentSize = metadata.ZipDirectory.CommentSize;
entity.DiskWithStartOfCentralDirectory = metadata.ZipDirectory.DiskWithStartOfCentralDirectory;
entity.EntriesForWholeCentralDirectory = metadata.ZipDirectory.EntriesForWholeCentralDirectory;
entity.EntriesInThisDisk = metadata.ZipDirectory.EntriesInThisDisk;
entity.NumberOfThisDisk = metadata.ZipDirectory.NumberOfThisDisk;
entity.OffsetAfterEndOfCentralDirectory = metadata.ZipDirectory.OffsetAfterEndOfCentralDirectory;
entity.OffsetOfCentralDirectory = metadata.ZipDirectory.OffsetOfCentralDirectory;
entity.Zip64CentralDirectorySize = metadata.ZipDirectory.Zip64?.CentralDirectorySize;
entity.Zip64DiskWithStartOfCentralDirectory = metadata.ZipDirectory.Zip64?.DiskWithStartOfCentralDirectory;
entity.Zip64DiskWithStartOfEndOfCentralDirectory = metadata.ZipDirectory.Zip64?.DiskWithStartOfEndOfCentralDirectory;
entity.Zip64EndOfCentralDirectoryOffset = metadata.ZipDirectory.Zip64?.EndOfCentralDirectoryOffset;
entity.Zip64EntriesForWholeCentralDirectory = metadata.ZipDirectory.Zip64?.EntriesForWholeCentralDirectory;
entity.Zip64EntriesInThisDisk = metadata.ZipDirectory.Zip64?.EntriesInThisDisk;
entity.Zip64NumberOfThisDisk = metadata.ZipDirectory.Zip64?.NumberOfThisDisk;
entity.Zip64OffsetAfterEndOfCentralDirectoryLocator = metadata.ZipDirectory.Zip64?.OffsetAfterEndOfCentralDirectoryLocator;
entity.Zip64OffsetOfCentralDirectory = metadata.ZipDirectory.Zip64?.OffsetOfCentralDirectory;
entity.Zip64SizeOfCentralDirectoryRecord = metadata.ZipDirectory.Zip64?.SizeOfCentralDirectoryRecord;
entity.Zip64TotalNumberOfDisks = metadata.ZipDirectory.Zip64?.TotalNumberOfDisks;
entity.Zip64VersionMadeBy = metadata.ZipDirectory.Zip64?.VersionMadeBy;
entity.Zip64VersionToExtract = metadata.ZipDirectory.Zip64?.VersionToExtract;
// Make sure the entries are sorted by index.
if (entity.PackageEntries == null)
{
entity.PackageEntries = new List <PackageEntryEntity>();
}
entity.PackageEntries.Sort((a, b) => a.Index.CompareTo(b.Index));
for (var index = 0; index < metadata.ZipDirectory.Entries.Count; index++)
{
var entryMetadata = metadata.ZipDirectory.Entries[index];
PackageEntryEntity entryEntity;
if (index < entity.PackageEntries.Count)
{
entryEntity = entity.PackageEntries[index];
if (entryEntity.Index != (ulong)index)
{
throw new InvalidOperationException("One of the package archive entries seems to have an incorrect index.");
}
}
else if (index == entity.PackageEntries.Count)
{
entryEntity = new PackageEntryEntity
{
PackageArchive = entity,
Index = (ulong)index,
};
entity.PackageEntries.Add(entryEntity);
}
else
{
throw new InvalidOperationException("The list of existing package entries should have grown.");
}
Initialize(entryEntity, entryMetadata);
}
entity
.PackageEntries
.RemoveAll(x => x.Index >= (ulong)metadata.ZipDirectory.Entries.Count);
return(entity);
}
