public Stream OpenStream(PackedArchiveFileRecord record)
{
if (record.Size == 0)
{
//CreateViewStream interprets size = 0 as "whole file" so I can't use it for empty files
return(Stream.Null);
}
return(map.CreateViewStream(payloadOffset + record.Offset, record.Size, MemoryMappedFileAccess.Read));
}
private void WriteFile(MemoryMappedFile archiveMap, long payloadOffset, PackedArchiveFileRecord fileRecord, FileInfo file)
{
Console.WriteLine("packing " + file.Name + "...");
long offset = payloadOffset + fileRecord.Offset;
long size = fileRecord.Size;
using (var sourceStream = file.OpenRead()) {
using (var destStream = archiveMap.CreateViewStream(offset, size)) {
sourceStream.CopyTo(destStream);
}
}
}
public PackedArchiveFile(PackedArchive archive, PackedArchiveFileRecord record)
{
this.archive = archive;
this.record = record;
}
public MemoryMappedViewAccessor OpenAccessor(PackedArchiveFileRecord record)
{
return(map.CreateViewAccessor(payloadOffset + record.Offset, record.Size, MemoryMappedFileAccess.Read));
}
