public static Zip64ExtraField GetAndRemoveZip64Block(List <ZipGenericExtraField> extraFields, bool readUncompressedSize, bool readCompressedSize, bool readLocalHeaderOffset, bool readStartDiskNumber)
{
Zip64ExtraField zip64Block = new Zip64ExtraField();
zip64Block._compressedSize = new long?();
zip64Block._uncompressedSize = new long?();
zip64Block._localHeaderOffset = new long?();
zip64Block._startDiskNumber = new int?();
List <ZipGenericExtraField> list = new List <ZipGenericExtraField>();
bool flag = false;
foreach (ZipGenericExtraField extraField in extraFields)
{
if ((int)extraField.Tag == 1)
{
list.Add(extraField);
if (!flag && Zip64ExtraField.TryGetZip64BlockFromGenericExtraField(extraField, readUncompressedSize, readCompressedSize, readLocalHeaderOffset, readStartDiskNumber, out zip64Block))
{
flag = true;
}
}
}
foreach (ZipGenericExtraField genericExtraField in list)
{
extraFields.Remove(genericExtraField);
}
return(zip64Block);
}
public static Zip64ExtraField GetJustZip64Block(Stream extraFieldStream, bool readUncompressedSize, bool readCompressedSize, bool readLocalHeaderOffset, bool readStartDiskNumber)
{
using (BinaryReader reader = new BinaryReader(extraFieldStream))
{
ZipGenericExtraField field;
while (ZipGenericExtraField.TryReadBlock(reader, extraFieldStream.Length, out field))
{
Zip64ExtraField zip64Block;
if (Zip64ExtraField.TryGetZip64BlockFromGenericExtraField(field, readUncompressedSize, readCompressedSize, readLocalHeaderOffset, readStartDiskNumber, out zip64Block))
{
return(zip64Block);
}
}
}
return(new Zip64ExtraField()
{
_compressedSize = new long?(),
_uncompressedSize = new long?(),
_localHeaderOffset = new long?(),
_startDiskNumber = new int?()
});
}
