public bool Move(FileInfo path, Func <bool> replace)
{
var oldFile = File;
if (path.Exists)
{
if (replace())
{
path.Delete();
}
else
{
return(false);
}
}
var stream = m_upToDateFile.Migrate();
m_upToDateFile.Dispose();
System.IO.File.Move(oldFile.FullName, path.FullName);
m_upToDateFile = new UpToDateFile(stream, path, s => { });
m_upToDateFile.FileChanged += () => FileModifiedExternally.Execute();
m_upToDateFile.FileDeleted += () => FileDeletedExternally.Execute();
Moved.Execute(oldFile, File);
return(true);
}
public SaveableFile(MemoryStream initialContent, FileInfo path, Action <Stream> saveTo)
{
m_upToDateFile = new UpToDateFile(initialContent, path, saveTo);
m_upToDateFile.FileChanged += () => FileModifiedExternally.Execute();
m_upToDateFile.FileDeleted += () => FileDeletedExternally.Execute();
m_saveTo = saveTo;
m_lastSavedOrLoaded = initialContent;
}
public void GotMoved(FileInfo newPath)
{
var oldFile = File;
m_upToDateFile = new UpToDateFile(m_upToDateFile.Migrate(), newPath, s => { });
m_upToDateFile.FileChanged += () => FileModifiedExternally.Execute();
m_upToDateFile.FileDeleted += () => FileDeletedExternally.Execute();
Moved.Execute(oldFile, File);
}
public void SaveAs(FileInfo path)
{
var oldPath = File;
m_upToDateFile.Dispose();
m_upToDateFile = new UpToDateFile(new MemoryStream(), path, m_saveTo);
m_upToDateFile.FileChanged += () => FileModifiedExternally.Execute();
m_upToDateFile.FileDeleted += () => FileDeletedExternally.Execute();
Save();
Moved.Execute(oldPath, File);
}
public static void StressTest()
{
MemoryStream data = new MemoryStream();
using (StreamWriter w = new StreamWriter(data, Encoding.UTF8, 1024, true))
{
w.WriteLine("asgfladhfldsalkhdsfdsfasf");
}
data.Position = 0;
Action <Stream> saveto = s =>
{
data.Position = 0;
data.CopyTo(s);
data.Position = 0;
};
using (FileStream file = new FileStream("test.txt", FileMode.OpenOrCreate, FileAccess.Write))
{
saveto(file);
}
using (UpToDateFile.BackEnd backEnd = new UpToDateFile.BackEnd())
{
using (UpToDateFile f = new UpToDateFile(data, new FileInfo("test.txt"), saveto, backEnd))
{
f.FileChanged += () =>
{
Assert.Fail("FileChange should not have triggered");
};
try
{
for (int i = 0; i < 200; i++)
{
f.Save();
f.Save();
data.Position = 10;
data.WriteByte((byte)(i % 256));
f.Save();
Console.WriteLine(i);
}
}
catch (MyFileLoadException)
{
Assert.Fail();
}
}
}
}
public ReadonlyFile(MemoryStream initialContent, FileInfo path)
{
m_upToDateFile = new UpToDateFile(initialContent, path, s => { });
m_upToDateFile.FileChanged += () => FileModifiedExternally.Execute();
m_upToDateFile.FileDeleted += () => FileDeletedExternally.Execute();
}
