/// <summary>
/// Copy file
/// </summary>
/// <param name="from">can be any valid file name - no form requirements</param>
/// <returns></returns>
public int cp(string from)
{
var newname = Os.winInternal(FullName);
rm();
File.Copy(from, newname, true);
#region double check if file has moved
if (Ensure)
{
return(awaitFileMaterializing(newname));
}
#endregion
return(0);
}
/// <summary>
/// throws exception if dir is not empty
/// </summary>
/// <param name="path">must point to a directory</param>
private static void rmdir(string path)
{
path = Os.winInternal(path);
var dir = new DirectoryInfo(path);
if (dir.Exists)
{
Directory.Delete(path);
if (path.ToLower().Contains("dropbox"))
{
awaitDirVanishing(path);
}
}
}
/// <summary>Create a directory if it does not exist yet</summary>
/// <param name="dirname"></param>
/// <returns>DirectoryInfo structure; contains properties Exists and CreationDate</returns>
public static DirectoryInfo mkdir(string dirname)
{
dirname = Os.winInternal(string.IsNullOrEmpty(dirname) ? Directory.GetCurrentDirectory() : dirname);
var dir = new DirectoryInfo(dirname);
if (!dir.Exists) // TODO problems with network drives, i.e. IservSetting.RemoteRootDir
{
dir = Directory.CreateDirectory(dirname);
if (dirname.ToLower().Contains("dropbox"))
{
awaitDirMaterializing(dirname);
}
}
return(dir);
}
/// <summary>
/// Copy file
/// </summary>
/// <param name="from">will be checked; exception will be thrown if file name does not match RsbFile form requirements</param>
/// <returns>0 if everything went well</returns>
public int cp(RaiFile from)
{ // copy file in the file system
var oldname = Os.winInternal(from.FullName);
var newname = Os.winInternal(FullName);
rm(); // make sure it's really gone before we go ahead; applies ensure
File.Copy(oldname, newname, true); // overwrite if exists (which should never happen since we just removed it)
#region double check if file has moved
if (Ensure)
{
return(awaitFileMaterializing(newname));
}
#endregion
return(0);
}
public int rm() // removes file from the file system
{
var name = Os.winInternal(FullName);
if (File.Exists(name))
{
File.Delete(name);
#region double check if file is gone
if (Ensure)
{
return(awaitFileVanishing(name));
}
#endregion
}
return(0);
}
public int mv(RaiFile from) // relocates file in the file system
{
//bool destIsDropbox = Name.ToLower().Contains("dropbox");
//bool srcIsDropbox = from.Name.ToLower().Contains("dropbox");
//#region both files in Dropbox - no acceleration
//#endregion
mkdir(); // create destdir if necessary; applies ensure
var newname = Os.winInternal(FullName);
var oldname = Os.winInternal(from.FullName);
rm(); // make sure it's really gone before we go ahead; applies ensure
File.Move(oldname, newname); // make sure the user that w3wp runs under has write/delete access to oldname, i.e. c:\dropbox\config\3.3.3\Users.xml
#region double check if file has moved
if (Ensure)
{
return(awaitFileVanishing(oldname) + awaitFileMaterializing(newname));
}
#endregion
return(0);
}
public static string Escape(string s, EscapeMode mode)
{
if (mode == EscapeMode.noEsc)
{
return(s);
}
if (mode == EscapeMode.blankEsc)
{
return(Os.escapeBlank(s));
}
if (mode == EscapeMode.paramEsc)
{
return(Os.escapeParam(s));
}
if (mode == EscapeMode.backslashed)
{
return(Os.winInternal(s));
}
return(s);
}
/// <summary>
/// Constructor: auto-ensure mode for file systems that do not synchronously wait for the end of an IO operation i.e. Dropbox
/// </summary>
/// <remarks>only use the ensure mode if it has to be guaranteed that the IO operation was completely done
/// when the method call returns; necessary e.g. for Dropbox directories since (currently) Dropbox first updates the
/// file in the invisible . folder and then asynchronously updates the visible file and all the remote copies of it</remarks>
/// <param name="filename"></param>
public RaiFile(string filename)
{
Ensure = filename.ToLower().Contains("dropbox");
path = string.Empty;
name = string.Empty;
ext = string.Empty;
if (!string.IsNullOrEmpty(filename))
{
#region some unix conventions for convenience
if (filename.StartsWith("~/"))
{
filename = $"{Os.HomeDir}{filename.Substring(1)}";
}
else if (filename.StartsWith("./"))
{
filename = $"{Directory.GetCurrentDirectory()}{filename.Substring(1)}";
}
else if (filename.StartsWith("../"))
{
var dir = Directory.GetCurrentDirectory();
while (filename.StartsWith("../"))
{
dir = new RaiFile(dir.TrimEnd('/')).Path; // one up
filename = filename.Substring(3); // remove first ../
}
filename = $"{dir}{filename}";
}
#endregion
filename = Os.NormSeperator(filename);
var k = filename.LastIndexOf(Os.DIRSEPERATOR);
if (k >= 0)
{
path = filename.Substring(0, k + 1);
Name = filename.Substring(k + 1);
}
else
{
Name = filename; // also takes care of ext
}
}
}
/// <summary>
/// Check if the file currently exists in the file system
/// </summary>
/// <returns></returns>
public bool Exists()
{
return(File.Exists(Os.winInternal(FullName)));
}
