public LzEntryOutputStream(Stream stream, Lz4PackageEntry entry, int bufferSize = 0x100000, Lz4Mode mode = 0)
{
_baseStream = stream;
_lz = new Lz4CompressStream(stream, bufferSize, mode);
try
{
_pos = stream.Position;
}
catch (Exception)
{
_pos = -1L;
}
_entry = entry;
_entry.CompressedSize = 0L;
_entry.OriginSize = 0L;
_entry.Entry = stream.Position;
}
public Lz4PackageEntry AddEntry(string name, string originFile, Lz4Mode mode = 0, int blockSize = 0x100000)
{
FileStream stream = new FileStream(originFile, FileMode.Open, FileAccess.Read, FileShare.Read, blockSize);
FileInfo info = new FileInfo(originFile);
Lz4PackageEntry entry = new Lz4PackageEntry
{
Filename = name,
Package = this,
EntryCreateTime = DateTime.Now.ToString("o"),
OriginSize = info.Length,
CreateTime = info.CreationTime.ToString("o"),
LastModifyTime = info.LastWriteTime.ToString("o")
};
AddEntry(stream, mode, blockSize, entry);
if (_entries != null)
{
_entries.Add(entry);
}
if (_map != null)
{
_map[entry.Filename] = entry;
}
Save(entry);
return entry;
}
private void AddEntry(Stream stream, Lz4Mode mode, int blockSize, Lz4PackageEntry entry)
{
using (FileStream stream2 = OpenWrite(blockSize))
{
entry.Entry = stream2.Position;
using (Lz4CompressionStream stream3 = new Lz4CompressionStream(stream2, blockSize, mode))
{
int num;
byte[] buffer = new byte[blockSize];
while ((num = stream.Read(buffer, 0, buffer.Length)) > 0)
{
entry.OriginSize += num;
stream3.Write(buffer, 0, num);
}
}
entry.CompressedSize = stream2.Position - entry.Entry;
}
}
internal void Save(Lz4PackageEntry entry)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(Lz4PackageEntry));
using (FileStream stream = new FileStream(InfoFile, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None))
{
stream.Seek(0L, SeekOrigin.End);
serializer.WriteObject(stream, entry);
stream.WriteByte(13);
stream.WriteByte(10);
}
}
public Lz4PackageEntry AddEntry(string name, Stream stream, DateTime createTime, DateTime lastModify, Lz4Mode mode = 0, int blockSize = 0x100000)
{
Lz4PackageEntry entry = new Lz4PackageEntry
{
Filename = name,
Package = this,
EntryCreateTime = DateTime.Now.ToString("o"),
CreateTime = createTime.ToString("o"),
LastModifyTime = lastModify.ToString("o")
};
AddEntry(stream, mode, blockSize, entry);
if (_entries != null)
{
_entries.Add(entry);
}
if (_map != null)
{
_map[entry.Filename] = entry;
}
Save(entry);
return entry;
}
public Stream AddEntry(string name, DateTime createTime, DateTime lastModify, Lz4Mode mode, int blockSize)
{
Lz4PackageEntry item = new Lz4PackageEntry
{
Filename = name,
Package = this,
EntryCreateTime = DateTime.Now.ToString("o"),
CreateTime = createTime.ToString("o"),
LastModifyTime = lastModify.ToString("o")
};
if (_entries != null)
{
_entries.Add(item);
}
if (_map != null)
{
_map[item.Filename] = item;
}
FileStream stream = OpenWrite(blockSize);
item.Entry = stream.Position;
return new LzEntryOutputStream(stream, item, blockSize, mode);
}