public static void ExtractToDirectory(string sourceArchiveFileName, string destinationDirectoryName)
{
using (var zipStream = new ZipInputStream(FileEx.OpenRead(sourceArchiveFileName)))
{
ZipEntry theEntry;
byte[] data = new byte[BufferSize];
while ((theEntry = zipStream.GetNextEntry()) != null)
{
var fileName = Path.GetFileName(theEntry.Name);
if (string.IsNullOrEmpty(fileName))
{
continue;
}
string file = Path.Combine(destinationDirectoryName, theEntry.Name);
DirectoryEx.CreateDirectory(Directory.GetParent(file));
using (FileStream fileStream = File.Create(file))
{
while (true)
{
var size = zipStream.Read(data, 0, data.Length);
if (size <= 0)
{
break;
}
fileStream.Write(data, 0, size);
}
}
}
}
}
static bool ReadFile(IntPtr buffer, string fileName, uint fileOffset, uint length, IntPtr userdata)
{
try
{
var fullPath = Path.Combine(AppDataDir, fileName);
var offset = (int)fileOffset;
var left = (int)length;
var data = new byte[length];
var splitFileName = string.Empty;
var splitIndex = 0;
while (left > 0)
{
Debug.Log("Merge from file:" + fullPath);
using (var stream = FileEx.OpenRead(fullPath))
{
if (stream == null)
{
Debug.LogError("File not exist:" + fullPath);
return(false);
}
stream.Seek(offset, SeekOrigin.Begin);
while (left > 0)
{
var ret = stream.Read(data, (int)length - left, left);
if (ret <= 0)
{
if (string.IsNullOrEmpty(splitFileName))
{
TrySplitPath(fullPath, ref splitFileName, ref splitIndex);
}
if (string.IsNullOrEmpty(splitFileName))
{
Debug.LogError(string.Format("stream read failed. {0}, offset:{1}, length{2}, left:{3}", fileName, offset, length, left));
return(false);
}
fullPath = GetNextSplitPath(splitFileName, ref splitIndex);
offset = 0;
break;
}
left -= ret;
}
}
}
Marshal.Copy(data, 0, buffer, data.Length);
return(true);
}
catch (System.Exception e)
{
Debug.LogException(e);
return(false);
}
}
public UnzipProgress(string sourceArchiveFileName, string destinationDirectoryName)
{
SourceArchiveFile = FileEx.OpenRead(sourceArchiveFileName);
ZipStream = new ZipInputStream(SourceArchiveFile);
DestinationDirectoryName = destinationDirectoryName;
}