public void AddBinding()
{
const ConsoleInputOperation op = ConsoleInputOperation.Undo;
var bindings = new ConsoleKeyBindingSet();
bindings.Bind(ConsoleKey.D, ConsoleModifiers.Control, op);
var keyInfo = new ConsoleKeyInfo('\x04', ConsoleKey.D, false, false, true);
bindings.Count.Should().Be(1);
bindings.ContainsKey(keyInfo).Should().BeTrue();
bindings.Keys.Should().Equal(keyInfo);
bindings.Values.Should().Equal(op);
bindings[keyInfo].Should().Be(op);
var nonExistentKeyInfo = new ConsoleKeyInfo('d', ConsoleKey.D, false, false, false);
Action lookupAction = () => { var x = bindings[nonExistentKeyInfo]; };
lookupAction.Should().Throw <KeyNotFoundException>();
var pairs = bindings.ToList();
pairs.Should().ContainSingle();
pairs.Should().Equal(new KeyValuePair <ConsoleKeyInfo, ConsoleInputOperation>(keyInfo, op));
}
private static bool TryGetValue(
IReadOnlyDictionary <char, ConsoleInputOperation> charBindings,
IReadOnlyDictionary <ConsoleKey, ConsoleInputOperation> keyBindings,
IReadOnlyDictionary <ConsoleKey, ConsoleInputOperation> shiftKeyBindings,
ConsoleKey key,
ConsoleModifiers modifiers,
out ConsoleInputOperation op)
{
var shiftModifiers = modifiers & ConsoleModifiers.Shift;
var charWithoutNonShiftModifiers = InputUtilities.TryGetSingleChar(key, shiftModifiers);
// It's important that we try the character bindings first.
if (charWithoutNonShiftModifiers.HasValue &&
charBindings.TryGetValue(char.ToLowerInvariant(charWithoutNonShiftModifiers.Value), out op))
{
return(true);
}
if (modifiers.HasFlag(ConsoleModifiers.Shift) &&
(shiftKeyBindings != null) &&
shiftKeyBindings.TryGetValue(key, out op))
{
return(true);
}
return(keyBindings.TryGetValue(key, out op));
}
/// <summary>
/// Try to find the operation mapped to the specified key press.
/// </summary>
/// <param name="key">The key info.</param>
/// <param name="value">On success, receives the mapped operation.</param>
/// <returns>True if the key press is mapped; false otherwise.</returns>
public bool TryGetValue(ConsoleKeyInfo key, out ConsoleInputOperation value)
{
if (_ignoredModifierKeyBindings.TryGetValue(key.Key, out value))
{
return(true);
}
var ctrl = key.Modifiers.HasFlag(ConsoleModifiers.Control);
var alt = key.Modifiers.HasFlag(ConsoleModifiers.Alt);
var shift = key.Modifiers.HasFlag(ConsoleModifiers.Shift);
var modifiers = (ConsoleModifiers)0;
if (ctrl)
{
modifiers |= ConsoleModifiers.Control;
}
if (alt)
{
modifiers |= ConsoleModifiers.Alt;
}
if (shift)
{
modifiers |= ConsoleModifiers.Shift;
}
IReadOnlyDictionary <char, ConsoleInputOperation> charBindings;
IReadOnlyDictionary <ConsoleKey, ConsoleInputOperation> keyBindings;
IReadOnlyDictionary <ConsoleKey, ConsoleInputOperation> shiftKeyBindings;
if (ctrl && alt)
{
charBindings = _controlAltCharBindings;
keyBindings = _controlAltKeyBindings;
shiftKeyBindings = null;
}
else if (alt)
{
charBindings = _altCharBindings;
keyBindings = _altKeyBindings;
shiftKeyBindings = null;
}
else if (ctrl)
{
charBindings = _controlCharBindings;
keyBindings = _controlKeyBindings;
shiftKeyBindings = null;
}
else
{
charBindings = _plainCharBindings;
keyBindings = _plainKeyBindings;
shiftKeyBindings = _shiftKeyBindings;
}
return(TryGetValue(charBindings, keyBindings, shiftKeyBindings, key.Key, modifiers, out value));
}
public void RemoveCharBinding()
{
const ConsoleInputOperation op = ConsoleInputOperation.Undo;
var bindings = new ConsoleKeyBindingSet();
bindings.Bind('@', ConsoleModifiers.Control, op);
bindings.Bind('@', ConsoleModifiers.Control, null);
bindings.Values.Should().BeEmpty();
}
private static KeyValuePair <ConsoleKeyInfo, ConsoleInputOperation> CreatePair(
char value,
ConsoleModifiers modifiers,
ConsoleInputOperation op)
{
var key = GetKey(value);
var keyInfo = new ConsoleKeyInfo(
value,
key,
modifiers.HasFlag(ConsoleModifiers.Shift),
modifiers.HasFlag(ConsoleModifiers.Alt),
modifiers.HasFlag(ConsoleModifiers.Control));
return(new KeyValuePair <ConsoleKeyInfo, ConsoleInputOperation>(keyInfo, op));
}
private static KeyValuePair <ConsoleKeyInfo, ConsoleInputOperation> CreatePair(
ConsoleKey key,
ConsoleModifiers modifiers,
ConsoleInputOperation op)
{
var c = InputUtilities.TryGetSingleChar(key, modifiers);
var keyInfo = new ConsoleKeyInfo(
c.GetValueOrDefault('\0'),
key,
modifiers.HasFlag(ConsoleModifiers.Shift),
modifiers.HasFlag(ConsoleModifiers.Alt),
modifiers.HasFlag(ConsoleModifiers.Control));
return(new KeyValuePair <ConsoleKeyInfo, ConsoleInputOperation>(keyInfo, op));
}
public void ReplaceBinding()
{
const ConsoleInputOperation oldOp = ConsoleInputOperation.Undo;
const ConsoleInputOperation newOp = ConsoleInputOperation.Abort;
var bindings = new ConsoleKeyBindingSet();
bindings.Bind(ConsoleKey.D, ConsoleModifiers.Control, oldOp);
bindings.Bind(ConsoleKey.D, ConsoleModifiers.Control, newOp);
bindings.Values.Should().HaveCount(1);
var keyInfo = new ConsoleKeyInfo('\x04', ConsoleKey.D, false, false, true);
bindings[keyInfo].Should().Be(newOp);
}
public void ReplaceBinding()
{
const ConsoleInputOperation oldOp = ConsoleInputOperation.Undo;
const ConsoleInputOperation newOp = ConsoleInputOperation.Abort;
var anyKey = Any.Enum <ConsoleKey>();
var bindings = new ConsoleKeyBindingSet();
bindings.Bind(anyKey, ConsoleModifiers.Control, oldOp);
bindings.Bind(anyKey, ConsoleModifiers.Control, newOp);
bindings.Values.Should().ContainSingle();
var keyInfo = new ConsoleKeyInfo('\x04', anyKey, false, false, true);
bindings[keyInfo].Should().Be(newOp);
}
internal ConsoleInputOperationResult Process(ConsoleInputOperation op, ConsoleKeyInfo key)
{
var result = ConsoleInputOperationResult.Normal;
switch (op)
{
case ConsoleInputOperation.NoOp:
break;
case ConsoleInputOperation.ProcessCharacter:
ProcessCharacterKey(key.KeyChar);
break;
//
// Standard readline operations.
//
case ConsoleInputOperation.AcceptLine:
result = ConsoleInputOperationResult.EndOfInputLine;
break;
case ConsoleInputOperation.EndOfFile:
if (string.IsNullOrEmpty(LineInput.Contents))
{
ConsoleOutput.WriteLine(string.Empty);
result = ConsoleInputOperationResult.EndOfInputStream;
}
break;
case ConsoleInputOperation.BeginningOfLine:
LineInput.MoveCursorToStart();
break;
case ConsoleInputOperation.EndOfLine:
LineInput.MoveCursorToEnd();
break;
case ConsoleInputOperation.ForwardChar:
LineInput.MoveCursorForward(1);
break;
case ConsoleInputOperation.BackwardChar:
LineInput.MoveCursorBackward(1);
break;
case ConsoleInputOperation.ClearScreen:
LineInput.ClearScreen();
break;
case ConsoleInputOperation.PreviousHistory:
LineInput.ReplaceWithLastLineInHistory();
break;
case ConsoleInputOperation.NextHistory:
LineInput.ReplaceWithNextLineInHistory();
break;
case ConsoleInputOperation.KillLine:
LineInput.CutToEnd();
break;
case ConsoleInputOperation.UnixWordRubout:
LineInput.DeleteBackwardThroughLastWord();
break;
case ConsoleInputOperation.Yank:
LineInput.Paste();
break;
case ConsoleInputOperation.Abort:
LineInput.ClearLine(true);
result = ConsoleInputOperationResult.EndOfInputLine;
break;
case ConsoleInputOperation.ForwardWord:
LineInput.MoveCursorForwardOneWord();
break;
case ConsoleInputOperation.BackwardWord:
LineInput.MoveCursorBackwardOneWord();
break;
case ConsoleInputOperation.BeginningOfHistory:
LineInput.ReplaceWithOldestLineInHistory();
break;
case ConsoleInputOperation.EndOfHistory:
LineInput.ReplaceWithYoungestLineInHistory();
break;
case ConsoleInputOperation.UpcaseWord:
LineInput.TransformCurrentWord(word => word.ToUpper());
break;
case ConsoleInputOperation.DowncaseWord:
LineInput.TransformCurrentWord(word => word.ToLower());
break;
case ConsoleInputOperation.CapitalizeWord:
LineInput.TransformCurrentWord(Capitalize);
break;
case ConsoleInputOperation.KillWord:
LineInput.DeleteForwardToNextWord();
break;
case ConsoleInputOperation.PossibleCompletions:
LineInput.DisplayAllCompletions();
break;
case ConsoleInputOperation.InsertCompletions:
LineInput.ReplaceCurrentTokenWithAllCompletions();
break;
case ConsoleInputOperation.RevertLine:
LineInput.ClearLine(false);
break;
case ConsoleInputOperation.InsertComment:
if (CommentCharacter.HasValue)
{
LineInput.MoveCursorToStart();
LineInput.Insert(CommentCharacter.Value);
return(ConsoleInputOperationResult.EndOfInputLine);
}
break;
case ConsoleInputOperation.TabInsert:
ProcessCharacterKey('\t');
break;
case ConsoleInputOperation.BackwardKillWord:
LineInput.DeleteBackwardThroughLastWord();
break;
//
// Extensions:
//
case ConsoleInputOperation.CompleteTokenNext:
{
var lastOpWasCompleteToken =
_lastOp.HasValue &&
((_lastOp.Value == ConsoleInputOperation.CompleteTokenNext) ||
(_lastOp.Value == ConsoleInputOperation.CompleteTokenPrevious));
ProcessTabKeyPress(false, lastOpWasCompleteToken);
break;
}
case ConsoleInputOperation.CompleteTokenPrevious:
{
var lastOpWasCompleteToken =
_lastOp.HasValue &&
((_lastOp.Value == ConsoleInputOperation.CompleteTokenNext) ||
(_lastOp.Value == ConsoleInputOperation.CompleteTokenPrevious));
ProcessTabKeyPress(true, lastOpWasCompleteToken);
break;
}
case ConsoleInputOperation.DeletePreviousChar:
LineInput.DeletePrecedingChar();
break;
case ConsoleInputOperation.DeleteChar:
LineInput.Delete();
break;
case ConsoleInputOperation.ToggleInsertMode:
LineInput.InsertMode = !LineInput.InsertMode;
UpdateCursorSize();
break;
//
// Unimplemented standard readline operations:
//
case ConsoleInputOperation.ReverseSearchHistory:
// TODO: implement ReverseSearchHistory
case ConsoleInputOperation.ForwardSearchHistory:
// TODO: implement ForwardSearchHistory
case ConsoleInputOperation.QuotedInsert:
// TODO: implement QuotedInsert
case ConsoleInputOperation.TransposeChars:
// TODO: implement TransposeChars
case ConsoleInputOperation.UnixLineDiscard:
// TODO: implement UnixLineDiscard
case ConsoleInputOperation.Undo:
// TODO: implement Undo
case ConsoleInputOperation.SetMark:
// TODO: implement SetMark
case ConsoleInputOperation.CharacterSearch:
// TODO: implement CharacterSearch
case ConsoleInputOperation.YankLastArg:
// TODO: implement YankLastArg
case ConsoleInputOperation.NonIncrementalReverseSearchHistory:
// TODO: implement NonIncrementalReverseSearchHistory
case ConsoleInputOperation.NonIncrementalForwardSearchHistory:
// TODO: implement NonIncrementalForwardSearchHistory
case ConsoleInputOperation.YankPop:
// TODO: implement YankPop
case ConsoleInputOperation.TildeExpand:
// TODO: implement TildeExpand
case ConsoleInputOperation.YankNthArg:
// TODO: implement YankNthArg
case ConsoleInputOperation.CharacterSearchBackward:
// TODO: implement CharacterSearchBackward
break;
default:
throw new ArgumentOutOfRangeException(nameof(op));
}
return(result);
}
internal ConsoleInputOperationResult Process(ConsoleInputOperation op, ConsoleKeyInfo key)
{
var result = ConsoleInputOperationResult.Normal;
switch (op)
{
case ConsoleInputOperation.NoOp:
break;
case ConsoleInputOperation.Char:
ProcessCharacterKey(key.KeyChar);
break;
//
// Standard readline operations.
//
case ConsoleInputOperation.AcceptLine:
result = ConsoleInputOperationResult.EndOfInputLine;
break;
case ConsoleInputOperation.EndOfFile:
if (string.IsNullOrEmpty(LineInput.Contents))
{
ConsoleOutput.WriteLine(string.Empty);
result = ConsoleInputOperationResult.EndOfInputStream;
}
break;
case ConsoleInputOperation.BeginningOfLine:
LineInput.MoveCursorToStart();
break;
case ConsoleInputOperation.EndOfLine:
LineInput.MoveCursorToEnd();
break;
case ConsoleInputOperation.ForwardChar:
LineInput.MoveCursorForward(1);
break;
case ConsoleInputOperation.BackwardChar:
LineInput.MoveCursorBackward(1);
break;
case ConsoleInputOperation.ClearScreen:
LineInput.ClearScreen();
break;
case ConsoleInputOperation.PreviousHistory:
LineInput.ReplaceWithLastLineInHistory();
break;
case ConsoleInputOperation.NextHistory:
LineInput.ReplaceWithNextLineInHistory();
break;
case ConsoleInputOperation.KillLine:
LineInput.CutToEnd();
break;
case ConsoleInputOperation.UnixWordRubout:
LineInput.DeleteBackwardThroughLastWord();
break;
case ConsoleInputOperation.Yank:
LineInput.Paste();
break;
case ConsoleInputOperation.Abort:
LineInput.ClearLine(true);
result = ConsoleInputOperationResult.EndOfInputLine;
break;
case ConsoleInputOperation.ForwardWord:
LineInput.MoveCursorForwardOneWord();
break;
case ConsoleInputOperation.BackwardWord:
LineInput.MoveCursorBackwardOneWord();
break;
case ConsoleInputOperation.BeginningOfHistory:
LineInput.ReplaceWithOldestLineInHistory();
break;
case ConsoleInputOperation.EndOfHistory:
LineInput.ReplaceWithYoungestLineInHistory();
break;
case ConsoleInputOperation.UpcaseWord:
LineInput.TransformCurrentWord(word => word.ToUpper(CultureInfo.CurrentCulture));
break;
case ConsoleInputOperation.DowncaseWord:
LineInput.TransformCurrentWord(word => word.ToLower(CultureInfo.CurrentCulture));
break;
case ConsoleInputOperation.CapitalizeWord:
LineInput.TransformCurrentWord(Capitalize);
break;
case ConsoleInputOperation.KillWord:
LineInput.DeleteForwardToNextWord();
break;
case ConsoleInputOperation.PossibleCompletions:
LineInput.DisplayAllCompletions();
break;
case ConsoleInputOperation.InsertCompletions:
LineInput.ReplaceCurrentTokenWithAllCompletions();
break;
case ConsoleInputOperation.RevertLine:
LineInput.ClearLine(false);
break;
case ConsoleInputOperation.InsertComment:
if (CommentCharacter.HasValue)
{
LineInput.MoveCursorToStart();
LineInput.Insert(CommentCharacter.Value);
return ConsoleInputOperationResult.EndOfInputLine;
}
break;
case ConsoleInputOperation.TabInsert:
ProcessCharacterKey('\t');
break;
case ConsoleInputOperation.BackwardKillWord:
LineInput.DeleteBackwardThroughLastWord();
break;
//
// Extensions:
//
case ConsoleInputOperation.CompleteTokenNext:
{
var lastOpWasCompleteToken =
_lastOp.HasValue &&
((_lastOp.Value == ConsoleInputOperation.CompleteTokenNext) ||
(_lastOp.Value == ConsoleInputOperation.CompleteTokenPrevious));
ProcessTabKeyPress(false, lastOpWasCompleteToken);
break;
}
case ConsoleInputOperation.CompleteTokenPrevious:
{
var lastOpWasCompleteToken =
_lastOp.HasValue &&
((_lastOp.Value == ConsoleInputOperation.CompleteTokenNext) ||
(_lastOp.Value == ConsoleInputOperation.CompleteTokenPrevious));
ProcessTabKeyPress(true, lastOpWasCompleteToken);
break;
}
case ConsoleInputOperation.DeletePreviousChar:
LineInput.DeletePrecedingChar();
break;
case ConsoleInputOperation.DeleteChar:
LineInput.Delete();
break;
case ConsoleInputOperation.ToggleInsertMode:
LineInput.InsertMode = !LineInput.InsertMode;
UpdateCursorSize();
break;
//
// Unimplemented standard readline operations:
//
case ConsoleInputOperation.ReverseSearchHistory:
// TODO: implement ReverseSearchHistory
case ConsoleInputOperation.ForwardSearchHistory:
// TODO: implement ForwardSearchHistory
case ConsoleInputOperation.QuotedInsert:
// TODO: implement QuotedInsert
case ConsoleInputOperation.TransposeChars:
// TODO: implement TransposeChars
case ConsoleInputOperation.UnixLineDiscard:
// TODO: implement UnixLineDiscard
case ConsoleInputOperation.Undo:
// TODO: implement Undo
case ConsoleInputOperation.SetMark:
// TODO: implement SetMark
case ConsoleInputOperation.CharacterSearch:
// TODO: implement CharacterSearch
case ConsoleInputOperation.YankLastArg:
// TODO: implement YankLastArg
case ConsoleInputOperation.NonIncrementalReverseSearchHistory:
// TODO: implement NonIncrementalReverseSearchHistory
case ConsoleInputOperation.NonIncrementalForwardSearchHistory:
// TODO: implement NonIncrementalForwardSearchHistory
case ConsoleInputOperation.YankPop:
// TODO: implement YankPop
case ConsoleInputOperation.TildeExpand:
// TODO: implement TildeExpand
case ConsoleInputOperation.YankNthArg:
// TODO: implement YankNthArg
case ConsoleInputOperation.CharacterSearchBackward:
// TODO: implement CharacterSearchBackward
break;
default:
throw new ArgumentOutOfRangeException(nameof(op));
}
return result;
}
