/// <summary>
/// Creates a new Zip file entry reading values from a zip file
/// </summary>
internal ZipEntry(IntPtr handle)
{
var entryInfo = new ZipEntryInfo64();
int result = ZlibWrapper.ZlibUnzGetCurrentFileInfo64(handle, out entryInfo, null, 0, null, 0, null, 0);
if (result != 0)
{
throw new ZipException($"Could not read entry from zip file \"{Name}\"", result);
}
byte[] extraField = new byte[entryInfo.ExtraFieldLength];
byte[] entryNameBuffer = new byte[entryInfo.FileNameLength];
byte[] commentBuffer = new byte[entryInfo.CommentLength];
result = ZlibWrapper.ZlibUnzGetCurrentFileInfo64(handle, out entryInfo,
entryNameBuffer, (uint)entryNameBuffer.Length,
extraField, (uint)extraField.Length,
commentBuffer, (uint)commentBuffer.Length);
if (result != 0)
{
throw new ZipException($"Could not read entry from zip file \"{Name}\"", result);
}
_utf8Encoding = (entryInfo.Flag & ZipEntryFlag.UTF8) == ZipEntryFlag.UTF8;
Encoding encoding = _utf8Encoding ? Encoding.UTF8 : ZlibWrapper.OEMEncoding;
Name = encoding.GetString(entryNameBuffer);
UncompressedLength = (long)entryInfo.UncompressedSize;
_fileAttributes = (FileAttributes)entryInfo.ExternalFileAttributes;
IsDirectory = (_fileAttributes & FileAttributes.Directory) != 0;
}
public static extern int ZlibUnzGetCurrentFileInfo64(
IntPtr handle,
out ZipEntryInfo64 entryInfoPtr,
byte[] entryNameBuffer,
uint entryNameBufferLength,
byte[] extraField,
uint extraFieldLength,
byte[] commentBuffer,
uint commentBufferLength);
