private bool IsIncludeFile(string zippedName, bool isDir, FileSpecMatcher includes, FileSpecMatcher excludes)
{
if (includes == null || includes.MatchSpecs(zippedName, isDir))
{
if (excludes == null || !excludes.MatchSpecs(zippedName, isDir))
{
return(true);
}
}
return(false);
}
public void UnZip()
{
if (Destination == null)
{
throw new ArgumentException("Destination is null");
}
if (ItemList.Count == 0)
{
throw new ArgumentException("ItemList is empty");
}
//if (Filespecs.Count == 0)
// Filespecs.Add("*");
FileSpecMatcher fileSpecs = new FileSpecMatcher(ItemList, Recurse);
bool unzippedSomeEntry = false;
using (ZipReader reader = new ZipReader(ZipFile))
{
// buffer to hold temp bytes
buffer = new byte[4096];
foreach (ZipEntry entry in reader)
{
if (fileSpecs.MatchSpecs(entry.Name, entry.IsDirectory))
{
if (entry.IsDirectory)
{
//FIXME: bør kanskje ha sjekk på om flere filer med samme navn havner på rota og overskriver hverandre?
if (!NoDirectoryNames)
{
string dirName = CreateUnzippedName(entry);
DirectoryInfo di = new DirectoryInfo(dirName);
if (!di.Exists)
{
di.Create();
}
SetLastWriteTimeFixed(di, entry.ModifiedTime);
}
}
else
{
string fileName = CreateUnzippedName(entry);
FileInfo fi = new FileInfo(fileName);
if (!fi.Directory.Exists)
{
fi.Directory.Create();
}
if (fi.Exists)
{
switch (IfFileExist)
{
case enIfFileExist.Exception:
throw new ZipException("File already exists: " + fileName);
case enIfFileExist.Skip:
continue;
case enIfFileExist.Overwrite:
break; //fall thru
default:
throw new NotImplementedException("enIfFileExist " + IfFileExist);
}
}
using (FileStream writer = fi.Create())
{
int byteCount;
while ((byteCount = reader.Read(buffer, 0, buffer.Length)) > 0)
{
writer.Write(buffer, 0, byteCount);
}
}
SetLastWriteTimeFixed(fi, entry.ModifiedTime);
}
unzippedSomeEntry = true;
}
}
}
if (!unzippedSomeEntry)
{
throw new ZipException("No files to unzip");
}
}
public void Zip()
{
if (ZipFile == null)
{
throw new ArgumentException("ZipFile is null");
}
if (ItemList.Count == 0)
{
throw new ArgumentException("ItemList is empty");
}
if (Path.GetExtension(ZipFile).Length == 0)
{
ZipFile = Path.ChangeExtension(ZipFile, "zip");
}
string realZipFile = null;
if (UseTempFile)
{
realZipFile = ZipFile;
ZipFile = GetTempFileName(ZipFile);
}
FileSpecMatcher excludes = null;
if (ExcludeFollowing.Count > 0)
{
excludes = new FileSpecMatcher(ExcludeFollowing, true);
}
FileSpecMatcher includes = null;
if (IncludeOnlyFollowing.Count > 0)
{
includes = new FileSpecMatcher(IncludeOnlyFollowing, true);
}
pBuffer = new byte[4096];
/*
* 1) collect files. if we find a file several times its ok, as long as the zipped name is the same, else exception! (typically when 2 items are same dir, but different level and we store relative path)
* Same with zipped name: if two different files map to same zipped name -> exception (typically when no path is stored + recursive)
*
*
*/
List <FileSystemEntry> fsEntries = CollectFileSystemEntries();
try
{
bool addedSomeEntry = false;
//hmmm...denne vil adde hvis fila eksisterer? Nei...vi bruker append = 0
using (ZipWriter writer = new ZipWriter(ZipFile))
{
writer.Comment = this.Comment;
foreach (FileSystemEntry fsEntry in fsEntries)
{
if (IsIncludeFile(fsEntry.ZippedName, fsEntry.IsDirectory, includes, excludes))
{
if (fsEntry.IsDirectory)
{
if (!AddDirEntries)
{
throw new Exception("!AddDirEntries but still got dir");
}
DirectoryInfo di = (DirectoryInfo)fsEntry.FileSystemInfo;
ZipEntry entry = new ZipEntry(fsEntry.ZippedName, true);
entry.ModifiedTime = GetLastWriteTimeFixed(di);
entry.FileAttributes = di.Attributes;
entry.UTF8Encoding = this.UTF8Encoding;
entry.Zip64 = (this.Zip64 == enZip64.Yes);
entry.Method = CompressionMethod.Stored; //DIR
writer.AddEntry(entry);
}
else
{
FileInfo fi = (FileInfo)fsEntry.FileSystemInfo;
if (this.Zip64 == enZip64.No && fi.Length > UInt32.MaxValue)
{
throw new NotSupportedException("Files above 4GB only supported with Zip64 enabled or auto");
}
ZipEntry entry = new ZipEntry(fsEntry.ZippedName);
entry.ModifiedTime = GetLastWriteTimeFixed(fi);
entry.FileAttributes = fi.Attributes;
entry.UTF8Encoding = this.UTF8Encoding;
entry.Zip64 = (this.Zip64 == enZip64.Yes) || (fi.Length > UInt32.MaxValue && this.Zip64 == enZip64.Auto);
if (fi.Length == 0 || IsStoreFile(fsEntry.ZippedName))
{
entry.Method = CompressionMethod.Stored;
}
writer.AddEntry(entry);
using (FileStream reader = fi.OpenRead())
{
int byteCount;
while ((byteCount = reader.Read(pBuffer, 0, pBuffer.Length)) > 0)
{
writer.Write(pBuffer, 0, byteCount);
}
}
}
addedSomeEntry = true;
}
}
}
if (!addedSomeEntry)
{
throw new ZipException("Nothing to add");
}
if (UseTempFile)
{
File.Delete(realZipFile); //overwrite
File.Move(ZipFile, realZipFile);
ZipFile = realZipFile;
}
}
catch
{
File.Delete(ZipFile);
throw;
}
//finally
//{
// File.Delete(tempZip);
//}
}
