public IEnumerable <string> Extract(ZipExtractOption option)
{
if (!File.Exists(option.ZipFile))
{
throw new FileNotFoundException(option.ZipFile);
}
var outputFolder = GetOutputFolder(option);
Directory.CreateDirectory(outputFolder);
using (var s = new ZipInputStream(File.OpenRead(option.ZipFile)))
{
if (option.Password.IsNotNullOrEmpty())
{
s.Password = option.Password;
}
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
if (theEntry.IsDirectory)
{
var dir = Path.Combine(outputFolder, theEntry.Name);
Directory.CreateDirectory(dir);
yield return(dir);
continue;
}
var fileName = Path.Combine(outputFolder, theEntry.Name);
Directory.CreateDirectory(Path.GetDirectoryName(fileName));
if (File.Exists(fileName))
{
if (!option.IsOverwriteIfExisted)
{
throw new InvalidOperationException($"File {fileName} is already exisited.");
}
else
{
File.Delete(fileName);
}
}
using (var streamWriter = File.Create(fileName))
{
var data = new byte[2048];
while (true)
{
var size = s.Read(data, 0, data.Length);
if (size <= 0)
{
break;
}
streamWriter.Write(data, 0, size);
}
}
yield return(fileName);
}
}
}
private string GetOutputFolder(ZipExtractOption option) => Path.GetFullPath(option.OutputFolder ?? Path.GetDirectoryName(option.ZipFile));