public VirtualFileStream(IVirtualFileDataAccessor VirtualFileDataAccessor, string path, StreamType streamType)
{
if (VirtualFileDataAccessor == null)
{
throw new ArgumentNullException("VirtualFileDataAccessor");
}
this.VirtualFileDataAccessor = VirtualFileDataAccessor;
this.path = path;
if (VirtualFileDataAccessor.FileExists(path))
{
/* only way to make an expandable MemoryStream that starts with a particular content */
var data = VirtualFileDataAccessor.GetFile(path).Contents;
if (data != null && data.Length > 0)
{
Write(data, 0, data.Length);
Seek(0, StreamType.APPEND.Equals(streamType)
? SeekOrigin.End
: SeekOrigin.Begin);
}
}
else
{
if (StreamType.READ.Equals(streamType))
{
throw new FileNotFoundException("File not found.", path);
}
VirtualFileDataAccessor.AddFile(path, new VirtualFileData(new byte[] { }));
}
}
public override string GetTempFileName()
{
string fileName = VirtualFileDataAccessor.Path.GetRandomFileName();
string tempDir = VirtualFileDataAccessor.Path.GetTempPath();
string fullPath = VirtualFileDataAccessor.Path.Combine(tempDir, fileName);
VirtualFileDataAccessor.AddFile(fullPath, new VirtualFileData(string.Empty));
return(fullPath);
}
public override void AppendAllText(string path, string contents, Encoding encoding)
{
if (encoding == null)
{
throw new ArgumentNullException("encoding");
}
VirtualFileDataAccessor.PathVerifier.IsLegalAbsoluteOrRelative(path, "path");
if (!VirtualFileDataAccessor.FileExists(path))
{
var dir = VirtualFileDataAccessor.Path.GetDirectoryName(path);
if (!VirtualFileDataAccessor.Directory.Exists(dir))
{
throw new DirectoryNotFoundException(string.Format(CultureInfo.InvariantCulture, StringResources.Manager.GetString("COULD_NOT_FIND_PART_OF_PATH_EXCEPTION"), path));
}
VirtualFileDataAccessor.AddFile(path, new VirtualFileData(contents, encoding));
}
else
{
var file = VirtualFileDataAccessor.GetFile(path);
var bytesToAppend = encoding.GetBytes(contents);
file.Contents = file.Contents.Concat(bytesToAppend).ToArray();
}
}