public static void EnsureDirectoryExists(this FileSystemManager fs, string path)
{
path = PathTools.Normalize(path);
if (fs.DirectoryExists(path))
{
return;
}
PathTools.GetMountNameLength(path, out int mountNameLength).ThrowIfFailure();
// Find the first subdirectory in the path that doesn't exist
int i;
for (i = path.Length - 1; i > mountNameLength + 2; i--)
{
if (path[i] == '/')
{
string subPath = path.Substring(0, i);
if (fs.DirectoryExists(subPath))
{
break;
}
}
}
// path[i] will be a '/', so skip that character
i++;
for (; i < path.Length; i++)
{
if (path[i] == '/')
{
string subPath = path.Substring(0, i);
fs.CreateDirectory(subPath);
}
}
fs.CreateDirectory(path);
}
public static void CopyFile(this FileSystemManager fs, string sourcePath, string destPath, IProgressReport logger = null)
{
using (FileHandle sourceHandle = fs.OpenFile(sourcePath, OpenMode.Read))
using (FileHandle destHandle = fs.OpenFile(destPath, OpenMode.Write | OpenMode.Append))
{
const int maxBufferSize = 0x10000;
long fileSize = fs.GetFileSize(sourceHandle);
int bufferSize = (int)Math.Min(maxBufferSize, fileSize);
logger?.SetTotal(fileSize);
byte[] buffer = ArrayPool <byte> .Shared.Rent(bufferSize);
try
{
for (long offset = 0; offset < fileSize; offset += bufferSize)
{
int toRead = (int)Math.Min(fileSize - offset, bufferSize);
Span <byte> buf = buffer.AsSpan(0, toRead);
fs.ReadFile(sourceHandle, buf, offset);
fs.WriteFile(destHandle, buf, offset);
logger?.ReportAdd(toRead);
}
}
finally
{
ArrayPool <byte> .Shared.Return(buffer);
logger?.SetTotal(0);
}
fs.FlushFile(destHandle);
}
}
public static IEnumerable <DirectoryEntry> EnumerateEntries(this FileSystemManager fs, string path, string searchPattern)
{
return(fs.EnumerateEntries(path, searchPattern, SearchOptions.RecurseSubdirectories));
}
public static IEnumerable <DirectoryEntry> EnumerateEntries(this FileSystemManager fs, string path)
{
return(fs.EnumerateEntries(path, "*"));
}
public static void CreateOrOverwriteFile(this FileSystemManager fs, string path, long size)
{
fs.CreateOrOverwriteFile(path, size, CreateFileOptions.None);
}
public static bool FileExists(this FileSystemManager fs, string path)
{
return(fs.GetEntryType(path) == DirectoryEntryType.File);
}
