private static void DoCreateFromDirectory(string sourceDirectoryName, string destinationArchiveFileName,
CompressionLevel?compressionLevel, bool includeBaseDirectory, Encoding?entryNameEncoding)
{
// Rely on Path.GetFullPath for validation of sourceDirectoryName and destinationArchive
// Checking of compressionLevel is passed down to DeflateStream and the IDeflater implementation
// as it is a pluggable component that completely encapsulates the meaning of compressionLevel.
sourceDirectoryName = Path.GetFullPath(sourceDirectoryName);
destinationArchiveFileName = Path.GetFullPath(destinationArchiveFileName);
using (ZipArchive archive = Open(destinationArchiveFileName, ZipArchiveMode.Create, entryNameEncoding))
{
bool directoryIsEmpty = true;
//add files and directories
DirectoryInfo di = new DirectoryInfo(sourceDirectoryName);
string basePath = di.FullName;
if (includeBaseDirectory && di.Parent != null)
{
basePath = di.Parent.FullName;
}
foreach (FileSystemInfo file in di.EnumerateFileSystemInfos("*", SearchOption.AllDirectories))
{
directoryIsEmpty = false;
if (file is FileInfo)
{
// Create entry for file:
string entryName = ArchivingUtils.EntryFromPath(file.FullName.AsSpan(basePath.Length));
ZipFileExtensions.DoCreateEntryFromFile(archive, file.FullName, entryName, compressionLevel);
}
else
{
// Entry marking an empty dir:
if (file is DirectoryInfo possiblyEmpty && ArchivingUtils.IsDirEmpty(possiblyEmpty))
{
// FullName never returns a directory separator character on the end,
// but Zip archives require it to specify an explicit directory:
string entryName = ArchivingUtils.EntryFromPath(file.FullName.AsSpan(basePath.Length), appendPathSeparator: true);
archive.CreateEntry(entryName);
}
}
}
// If no entries create an empty root directory entry:
if (includeBaseDirectory && directoryIsEmpty)
{
archive.CreateEntry(ArchivingUtils.EntryFromPath(di.Name, appendPathSeparator: true));
}
}
}
private static void DoCreateFromDirectory(string sourceDirectoryName, string destinationArchiveFileName,
CompressionLevel?compressionLevel, bool includeBaseDirectory, Encoding?entryNameEncoding)
{
// Rely on Path.GetFullPath for validation of sourceDirectoryName and destinationArchive
// Checking of compressionLevel is passed down to DeflateStream and the IDeflater implementation
// as it is a pluggable component that completely encapsulates the meaning of compressionLevel.
sourceDirectoryName = Path.GetFullPath(sourceDirectoryName);
destinationArchiveFileName = Path.GetFullPath(destinationArchiveFileName);
using (ZipArchive archive = Open(destinationArchiveFileName, ZipArchiveMode.Create, entryNameEncoding))
{
bool directoryIsEmpty = true;
//add files and directories
DirectoryInfo di = new DirectoryInfo(sourceDirectoryName);
string basePath = di.FullName;
if (includeBaseDirectory && di.Parent != null)
{
basePath = di.Parent.FullName;
}
// Windows' MaxPath (260) is used as an arbitrary default capacity, as it is likely
// to be greater than the length of typical entry names from the file system, even
// on non-Windows platforms. The capacity will be increased, if needed.
const int DefaultCapacity = 260;
char[] entryNameBuffer = ArrayPool <char> .Shared.Rent(DefaultCapacity);
try
{
foreach (FileSystemInfo file in di.EnumerateFileSystemInfos("*", SearchOption.AllDirectories))
{
directoryIsEmpty = false;
int entryNameLength = file.FullName.Length - basePath.Length;
Debug.Assert(entryNameLength > 0);
if (file is FileInfo)
{
// Create entry for file:
string entryName = ArchivingUtils.EntryFromPath(file.FullName, basePath.Length, entryNameLength, ref entryNameBuffer);
ZipFileExtensions.DoCreateEntryFromFile(archive, file.FullName, entryName, compressionLevel);
}
else
{
// Entry marking an empty dir:
if (file is DirectoryInfo possiblyEmpty && ArchivingUtils.IsDirEmpty(possiblyEmpty))
{
// FullName never returns a directory separator character on the end,
// but Zip archives require it to specify an explicit directory:
string entryName = ArchivingUtils.EntryFromPath(file.FullName, basePath.Length, entryNameLength, ref entryNameBuffer, appendPathSeparator: true);
archive.CreateEntry(entryName);
}
}
} // foreach
// If no entries create an empty root directory entry:
if (includeBaseDirectory && directoryIsEmpty)
{
archive.CreateEntry(ArchivingUtils.EntryFromPath(di.Name, 0, di.Name.Length, ref entryNameBuffer, appendPathSeparator: true));
}
}
finally
{
ArrayPool <char> .Shared.Return(entryNameBuffer);
}
}
}
