private void SetKeyHandlerInternal(string[] keys, Action <ConsoleKeyInfo?, object> handler, string briefDescription, string longDescription, ScriptBlock scriptBlock)
{
foreach (var key in keys)
{
var chord = ConsoleKeyChordConverter.Convert(key);
if (chord.Length == 1)
{
_dispatchTable[chord[0]] = MakeKeyHandler(handler, briefDescription, longDescription, scriptBlock);
}
else
{
_dispatchTable[chord[0]] = MakeKeyHandler(Chord, "ChordFirstKey");
if (!_chordDispatchTable.TryGetValue(chord[0], out var secondDispatchTable))
{
secondDispatchTable = new Dictionary <ConsoleKeyInfo, KeyHandler>(ConsoleKeyInfoComparer.Instance);
_chordDispatchTable[chord[0]] = secondDispatchTable;
}
secondDispatchTable[chord[1]] = MakeKeyHandler(handler, briefDescription, longDescription, scriptBlock);
}
}
}
private void RemoveKeyHandlerInternal(string[] keys)
{
foreach (var key in keys)
{
var chord = ConsoleKeyChordConverter.Convert(key);
if (chord.Length == 1)
{
_dispatchTable.Remove(chord[0]);
}
else
{
if (_chordDispatchTable.TryGetValue(chord[0], out var secondDispatchTable))
{
secondDispatchTable.Remove(chord[1]);
if (secondDispatchTable.Count == 0)
{
_dispatchTable.Remove(chord[0]);
}
}
}
}
}
/// <summary>
/// Return key handlers bound to specified chords.
/// </summary>
/// <returns></returns>
public static IEnumerable <PowerShell.KeyHandler> GetKeyHandlers(string[] Chord)
{
var boundFunctions = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
if (Chord == null || Chord.Length == 0)
{
yield break;
}
foreach (string Key in Chord)
{
ConsoleKeyInfo[] consoleKeyChord = ConsoleKeyChordConverter.Convert(Key);
PSKeyInfo firstKey = PSKeyInfo.FromConsoleKeyInfo(consoleKeyChord[0]);
if (_singleton._dispatchTable.TryGetValue(firstKey, out KeyHandler entry))
{
if (consoleKeyChord.Length == 1)
{
yield return(new PowerShell.KeyHandler
{
Key = firstKey.KeyStr,
Function = entry.BriefDescription,
Description = entry.LongDescription,
Group = GetDisplayGrouping(entry.BriefDescription),
});
}
else
{
PSKeyInfo secondKey = PSKeyInfo.FromConsoleKeyInfo(consoleKeyChord[1]);
if (_singleton._chordDispatchTable.TryGetValue(firstKey, out var secondDispatchTable) &&
secondDispatchTable.TryGetValue(secondKey, out entry))
{
yield return(new PowerShell.KeyHandler
{
Key = firstKey.KeyStr + "," + secondKey.KeyStr,
Function = entry.BriefDescription,
Description = entry.LongDescription,
Group = GetDisplayGrouping(entry.BriefDescription),
});
}
}
}
// If in Vi mode, also check Vi's command mode list.
if (_singleton._options.EditMode == EditMode.Vi)
{
if (_viCmdKeyMap.TryGetValue(firstKey, out entry))
{
if (consoleKeyChord.Length == 1)
{
if (entry.BriefDescription == "Ignore")
{
continue;
}
yield return(new PowerShell.KeyHandler
{
Key = "<" + firstKey.KeyStr + ">",
Function = entry.BriefDescription,
Description = entry.LongDescription,
Group = GetDisplayGrouping(entry.BriefDescription),
});
}
else
{
PSKeyInfo secondKey = PSKeyInfo.FromConsoleKeyInfo(consoleKeyChord[1]);
if (_viCmdChordTable.TryGetValue(firstKey, out var secondDispatchTable) &&
secondDispatchTable.TryGetValue(secondKey, out entry))
{
if (entry.BriefDescription == "Ignore")
{
continue;
}
yield return(new PowerShell.KeyHandler
{
Key = "<" + firstKey.KeyStr + "," + secondKey.KeyStr + ">",
Function = entry.BriefDescription,
Description = entry.LongDescription,
Group = GetDisplayGrouping(entry.BriefDescription),
});
}
}
}
}
}
}
public ConsoleKeyInfo AsConsoleKeyInfo()
{
return(ConsoleKeyChordConverter.Convert(KeyStr)[0]);
}