public override void Execute(ref IShellEngine engine, StringScanner s, Display display, InputCommand input)
{
if (s.Scan("false|off").Length > 0 && _writer != null)
{
display.TextWriters.Remove(_writer);
input.OnWrite = null;
_writer.Flush();
_writer.Dispose();
_writer = null;
}
else if (_writer == null)
{
if (engine == null)
{
throw ShellExpcetion.NoDatabase();
}
var path = Path.GetFullPath(string.Format("LiteDB-spool-{0:yyyy-MM-dd-HH-mm}.txt", DateTime.Now));
_writer = File.CreateText(path);
display.TextWriters.Add(_writer);
input.OnWrite = (t) => _writer.Write(t);
}
}
public override void Execute(ref IShellEngine engine, StringScanner s, Display display, InputCommand input)
{
if (engine == null)
{
throw ShellExpcetion.NoDatabase();
}
engine.Dispose();
engine = null;
}
public override void Execute(ref IShellEngine engine, StringScanner s, Display d, InputCommand input)
{
var sb = new StringBuilder();
var enabled = !(s.Scan(@"off\s*").Length > 0);
if (engine == null)
{
throw ShellExpcetion.NoDatabase();
}
engine.Debug(enabled);
}
public void Execute(LiteEngine engine, StringScanner s, Display display, InputCommand input, Env env)
{
if (engine == null)
{
throw ShellExpcetion.NoDatabase();
}
var filename = s.Scan(@".+").Trim();
foreach (var line in File.ReadAllLines(filename))
{
input.Queue.Enqueue(line);
}
}
public override void Execute(ref IShellEngine engine, StringScanner s, Display display, InputCommand input)
{
if (engine == null)
{
throw ShellExpcetion.NoDatabase();
}
var ver = engine.Version;
display.WriteInfo(string.Format("v{0}.{1}.{2}",
ver.Major,
ver.Minor,
ver.Build));
}
public override void Execute(ref IShellEngine engine, StringScanner s, Display display, InputCommand input)
{
if (engine == null)
{
throw ShellExpcetion.NoDatabase();
}
var direction = s.Scan(@"[><]\s*").Trim();
var filename = s.Scan(@".+").Trim();
//dump import
if (direction == "<")
{
using (var reader = new StreamReader(filename, Encoding.UTF8))
{
string line;
while ((line = reader.ReadLine()) != null)
{
engine.Run(line, new Display()); // no output
}
}
}
// dump export
else
{
using (var writer = new StreamWriter(filename, false, Encoding.UTF8, 65536))
{
writer.AutoFlush = true;
writer.WriteLine("-- LiteDB v{0}.{1}.{2} dump file @ {3}",
engine.Version.Major, engine.Version.Minor, engine.Version.Build,
DateTime.Now);
engine.Dump(writer);
writer.Flush();
}
}
}
