private static void RemoveSpan(HashSet <int> chars, CharacterSpan span)
{
for (var i = span.Start; i <= span.End; i++)
{
chars.Remove(i);
}
}
public void UpToLineBreak()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(0), 1, 3);
Assert.False(characterSpan.IncludeLastLineLineBreak);
}
public void AtLineBreak()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetLine(0).Start, 1, 3);
Assert.Equal(3, characterSpan.LastLinePositionCount);
}
public void EndOfNonEmptyLine()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(2), 1, 2);
Assert.True(characterSpan.IncludeLastLineLineBreak);
}
public void SingleLineWhichIsEmpty()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetLine(1).Start, 1, 0);
Assert.Equal(2, characterSpan.Length);
Assert.Equal(2, characterSpan.LastLineLength);
}
public void IntoLineBreak()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(0), _textBuffer.GetPoint(4));
Assert.Equal(5, characterSpan.LastLineLength);
}
public void GetCommandStatusVisualCharacterMode()
{
string[] lines = { "cat", "dog", "fish" };
var textBuffer = CreateTextBuffer(lines);
_vimBuffer.TextBufferImpl = textBuffer;
_vimBuffer.ModeImpl = _visualMode.Object;
_vimBuffer.ModeKindImpl = ModeKind.VisualCharacter;
// span1 selection is within one line, so the display should be the selected character count
var span1 = new CharacterSpan(textBuffer.GetPointInLine(1, 1), textBuffer.GetPointInLine(1, 3));
var selection1 = new VisualSelection.Character(span1, SearchPath.Forward);
_visualMode.SetupGet(x => x.VisualSelection).Returns(selection1);
Assert.Equal("2", CommandMarginUtil.GetShowCommandText(_vimBuffer));
// span2 selection is over two lines, so the the display should be the selected line count
var span2 = new CharacterSpan(textBuffer.GetPointInLine(0, 1), textBuffer.GetPointInLine(1, 2));
var selection2 = new VisualSelection.Character(span2, SearchPath.Forward);
_visualMode.SetupGet(x => x.VisualSelection).Returns(selection2);
Assert.Equal("2", CommandMarginUtil.GetShowCommandText(_vimBuffer));
// span3 selection is within one line and includes the CRLF at the end of the line, so the the display should be the length of the line + 1
var span3 = new CharacterSpan(textBuffer.GetPointInLine(1, 1), textBuffer.GetPointInLine(1, lines[1].Length + 2));
var selection3 = new VisualSelection.Character(span3, SearchPath.Forward);
_visualMode.SetupGet(x => x.VisualSelection).Returns(selection3);
Assert.Equal("3", CommandMarginUtil.GetShowCommandText(_vimBuffer));
}
public void IntoLineBreakDeep()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetLine(0).Start, 1, 5);
Assert.Equal(5, characterSpan.LastLineLength);
}
/// <summary>
/// Change the selection to be the specified SnapshotSpan value and update the caret to be on the
/// last included point in the SnapshotSpan.
/// </summary>
public static void SelectAndMoveCaret(this ITextView textView, SnapshotSpan span)
{
var characterSpan = new CharacterSpan(span);
var visualSelection = VisualSelection.CreateForward(VisualSpan.NewCharacter(characterSpan));
visualSelection.SelectAndMoveCaret(textView);
}
public void End_SingleLine()
{
Create("cats", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(1), 1, 2);
Assert.AreEqual("at", characterSpan.Span.GetText());
}
public void End_MultiLine()
{
Create("cats", "dogs");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(1), 2, 2);
Assert.AreEqual("ats" + Environment.NewLine + "do", characterSpan.Span.GetText());
}
public void EmptyLine()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetLine(1).Start, 1, 0);
Assert.False(characterSpan.IncludeLastLineLineBreak);
}
public void Last_ZeroLength()
{
Create("cats", "dogs");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(0, 0));
Assert.False(characterSpan.Last.IsSome());
}
private static void ParseElement(XmlTextReader reader, Container parent, CharacterPositionFinder finder, IXmlFlavor flavor)
{
var name = flavor.GetName(reader);
var type = flavor.GetType(reader);
var content = flavor.GetContent(reader);
var container = new Container
{
Type = type,
Name = name,
Content = content,
};
var isEmpty = reader.IsEmptyElement;
var startingSpan = GetLocationSpanWithParseAttributes(reader, container, finder, flavor);
var headerSpan = GetCharacterSpan(startingSpan, finder);
if (isEmpty)
{
// there is no content, so we have to get away of the footer by just using the '/>' characters as footer
var headerSpanCorrected = new CharacterSpan(headerSpan.Start, Math.Max(headerSpan.Start, headerSpan.End - 2));
var footerSpanCorrected = new CharacterSpan(Math.Max(0, headerSpan.End - 1), headerSpan.End);
container.LocationSpan = startingSpan;
container.HeaderSpan = headerSpanCorrected;
container.FooterSpan = footerSpanCorrected;
}
else
{
while (reader.NodeType != XmlNodeType.EndElement)
{
Parse(reader, container, finder, flavor);
// we had a side effect (reading further on stream to get the location span), so we have to check whether we found already an element or end element
if (reader.NodeType == XmlNodeType.Element)
{
continue;
}
if (reader.NodeType == XmlNodeType.EndElement)
{
break;
}
}
var endingSpan = GetLocationSpan(reader);
var footerSpan = GetCharacterSpan(endingSpan, finder);
container.LocationSpan = new LocationSpan(startingSpan.Start, endingSpan.End);
container.HeaderSpan = headerSpan;
container.FooterSpan = footerSpan;
}
// check whether we can use a terminal node instead
var child = flavor.FinalAdjustAfterParsingComplete(container);
parent.Children.Add(child);
}
public void Last_Simple()
{
Create("cats", "dogs");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(0, 3));
Assert.True(characterSpan.Last.IsSome());
Assert.Equal('t', characterSpan.Last.Value.GetChar());
}
/// <summary>
/// Change the selection to be the specified SnapshotSpan value and update the caret to be on the
/// last included point in the SnapshotSpan.
/// </summary>
public static void SelectAndUpdateCaret(this ITextView textView, SnapshotSpan span)
{
var characterSpan = CharacterSpan.CreateForSpan(span);
CommonUtil.SelectAndUpdateCaret(
textView,
VisualSelection.CreateForVisualSpan(VisualSpan.NewCharacter(characterSpan)));
}
public void SingleLineWhichIsEmpty()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetLine(1).Start, 1, 0);
Assert.Equal(0, characterSpan.Length);
Assert.Equal(0, characterSpan.LastLineLength);
}
public void Character_Forward()
{
Create("cat dog bear");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(0, 4));
var visualSpan = VisualSpan.NewCharacter(characterSpan);
var visualSelection = VisualSelection.CreateForward(visualSpan);
Assert.Equal("cat", visualSelection.AdjustForSelectionKind(SelectionKind.Exclusive).VisualSpan.EditSpan.OverarchingSpan.GetText());
}
public void LastLineEmpty()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(0), 2, 0);
Assert.Equal(2, characterSpan.LineCount);
Assert.Equal(2, characterSpan.LastLineLength);
Assert.Equal(_textBuffer.GetLine(2).Start, characterSpan.End);
}
public void GetCaretPoint_Character_Backward()
{
Create("cats", "dogs");
var visualSelection = VisualSelection.NewCharacter(
CharacterSpan.CreateForSpan(_textBuffer.GetSpan(0, 2)),
Path.Backward);
Assert.Equal(_textBuffer.GetPoint(0), visualSelection.GetCaretPoint(SelectionKind.Inclusive));
}
public void CaretPoint_Character_Backward()
{
Create("cats", "dogs");
var visualSelection = VisualSelection.NewCharacter(
CharacterSpan.CreateForSpan(_textBuffer.GetSpan(0, 2)),
false);
Assert.AreEqual(_textBuffer.GetPoint(0), visualSelection.CaretPoint);
}
public void LastLineEmpty()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(0), 2, 0);
Assert.Equal(2, characterSpan.LineCount);
Assert.Equal(0, characterSpan.LastLineLength);
Assert.Equal(_textBuffer.GetLine(1).Start, characterSpan.End);
}
public void AdjustForSelectionKind_Character_Forward()
{
Create("cat dog bear");
var characterSpan = CharacterSpan.CreateForSpan(_textBuffer.GetSpan(0, 4));
var visualSpan = VisualSpan.NewCharacter(characterSpan);
var visualSelection = VisualSelection.CreateForward(visualSpan);
Assert.Equal("cat", visualSelection.AdjustForSelectionKind(SelectionKind.Exclusive).VisualSpan.EditSpan.OverarchingSpan.GetText());
}
public void LongLastLinePositionCount()
{
Create("cat", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(0), lineCount: 1, lastLineMaxPositionCount: 100);
Assert.Equal(1, characterSpan.LineCount);
Assert.Equal(5, characterSpan.LastLinePositionCount);
Assert.Equal(100, characterSpan.LastLineMaxPositionCount);
}
protected void EnterMode(SnapshotSpan span)
{
var characterSpan = new CharacterSpan(span);
var visualSelection = VisualSelection.NewCharacter(characterSpan, Path.Forward);
visualSelection.SelectAndMoveCaret(_textView);
Assert.False(_context.IsEmpty);
_context.RunAll();
Assert.True(_context.IsEmpty);
}
public void IncludeLineBreakNextLineEmpty()
{
Create("cat", "", "dog");
var span = _textBuffer.GetLine(0).ExtentIncludingLineBreak;
var characterSpan = new CharacterSpan(span);
Assert.Equal(1, characterSpan.LineCount);
Assert.Equal(span, characterSpan.Span);
}
public void Forward()
{
Create("big dog", "big cat", "big tree", "big fish");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(1, 3));
var visualSpan = VisualSpan.NewCharacter(characterSpan);
visualSpan.Select(_textView, SearchPath.Forward);
Assert.False(_textView.Selection.IsReversed);
Assert.Equal(characterSpan.Span, _textView.GetSelectionSpan());
}
public void ForwardIntoLineBreak()
{
Create("cat", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(0, 4));
var visualSpan = VisualSpan.NewCharacter(characterSpan);
visualSpan.Select(_textView, SearchPath.Forward);
Assert.Equal(4, _textView.Selection.StreamSelectionSpan.Length);
Assert.False(_textView.Selection.IsReversed);
}
private void EnterMode(SnapshotSpan span)
{
var characterSpan = CharacterSpan.CreateForSpan(span);
var visualSelection = VisualSelection.NewCharacter(characterSpan, true);
CommonUtil.SelectAndUpdateCaret(_textView, visualSelection);
Assert.IsFalse(_context.IsEmpty);
_context.RunAll();
Assert.IsTrue(_context.IsEmpty);
}
public void Select_Character_Backwards()
{
Create("big dog", "big cat", "big tree", "big fish");
var characterSpan = CharacterSpan.CreateForSpan(_textBuffer.GetSpan(1, 3));
var visualSpan = VisualSpan.NewCharacter(characterSpan);
visualSpan.Select(_textView, Path.Backward);
Assert.True(_textView.Selection.IsReversed);
Assert.Equal(characterSpan.Span, _textView.GetSelectionSpan());
}
public void LastLineLengthOfOne()
{
Create("cat", "dog", "fish");
var endPoint = _textBuffer.GetLine(1).Start.Add(1);
var span = new SnapshotSpan(_textBuffer.GetPoint(0), endPoint);
var characterSpan = new CharacterSpan(span);
Assert.Equal(endPoint, characterSpan.End);
Assert.Equal(2, characterSpan.LineCount);
}
public void NegativeLastLineOffset1()
{
var textBuffer = CreateTextBuffer("cat", "dog");
var characterSpan = new CharacterSpan(
textBuffer.GetPointInLine(line: 0, column: 2),
textBuffer.GetPointInLine(line: 1, column: 1));
var sel = StoredVisualSelection.CreateFromVisualSpan(VisualSpan.NewCharacter(characterSpan));
Assert.Equal(StoredVisualSelection.NewCharacterLine(lineCount: 2, lastLineMaxOffset: -2), sel);
}
public void Backward()
{
Create("big dog", "big cat", "big tree", "big fish");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(1, 3));
var visualSpan = VisualSpan.NewCharacter(characterSpan);
visualSpan.Select(_textView, SearchPath.Backward);
TestableSynchronizationContext.RunAll();
Assert.True(_textView.Selection.IsReversed);
Assert.Equal(characterSpan.Span, _textView.GetSelectionSpan());
}
public void BackwardIntoLineBreak()
{
Create("cat", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(0, 4));
var visualSpan = VisualSpan.NewCharacter(characterSpan);
visualSpan.Select(_textView, SearchPath.Backward);
TestableSynchronizationContext.RunAll();
Assert.Equal(4, _textView.Selection.StreamSelectionSpan.Length);
Assert.True(_textView.Selection.IsReversed);
}
public void LastLineEmpty()
{
Create("cat", "", "dog");
var endPoint = _textBuffer.GetLine(1).End.Add(1);
var span = new SnapshotSpan(_textBuffer.GetPoint(0), endPoint);
var characterSpan = new CharacterSpan(span);
Assert.Equal(characterSpan.End, _textBuffer.GetLine(1).EndIncludingLineBreak);
// The last line is included even though it's blank
Assert.Equal(2, characterSpan.LineCount);
Assert.Equal(2, characterSpan.LastLineLength);
}
public void SingleLine()
{
Create("cats", "dogs");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(1, 2));
var all = new[] { Path.Forward, Path.Backward };
foreach (var path in all)
{
var visualSelection = VisualSelection.NewCharacter(characterSpan, path);
visualSelection.SelectAndMoveCaret(_textView);
var currentVisualSelection = VisualSelection.CreateForSelection(_textView, VisualKind.Character, SelectionKind.Inclusive, tabStop: 4);
Assert.Equal(visualSelection, currentVisualSelection);
}
}
public void BackAndForth_Character_MultiLine()
{
Create("cats", "dogs", "fish");
var characterSpan = new CharacterSpan(_textView.GetLine(0).Start, 2, 4);
var all = new[] { true, false };
foreach (var isForward in all)
{
var visualSelection = VisualSelection.NewCharacter(characterSpan, isForward);
CommonUtil.SelectAndUpdateCaret(_textView, visualSelection);
var currentVisualSelection = VisualSelection.CreateForSelection(_textView, VisualKind.Character);
Assert.AreEqual(visualSelection, currentVisualSelection);
}
}
public void BackAndForth_Character_MultiLine()
{
Create("cats", "dogs", "fish");
var characterSpan = new CharacterSpan(_textView.GetLine(0).Start, 2, 4);
var all = new[] { Path.Forward, Path.Backward };
foreach (var path in all)
{
var visualSelection = VisualSelection.NewCharacter(characterSpan, path);
visualSelection.SelectAndMoveCaret(_textView);
var currentVisualSelection = VisualSelection.CreateForSelection(_textView, VisualKind.Character, SelectionKind.Inclusive);
Assert.AreEqual(visualSelection, currentVisualSelection);
}
}
public void End_SingleLine()
{
Create("cats", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(1), 1, 2);
Assert.AreEqual("at", characterSpan.Span.GetText());
}
public void End_MultiLine()
{
Create("cats", "dogs");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(1), 2, 2);
Assert.AreEqual("ats" + Environment.NewLine + "do", characterSpan.Span.GetText());
}
public void ForwardIntoLineBreak()
{
Create("cat", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(0, 4));
var visualSpan = VisualSpan.NewCharacter(characterSpan);
visualSpan.Select(_textView, Path.Forward);
Assert.Equal(4, _textView.Selection.StreamSelectionSpan.Length);
Assert.False(_textView.Selection.IsReversed);
}
public void Forward()
{
Create("big dog", "big cat", "big tree", "big fish");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(1, 3));
var visualSpan = VisualSpan.NewCharacter(characterSpan);
visualSpan.Select(_textView, Path.Forward);
Assert.False(_textView.Selection.IsReversed);
Assert.Equal(characterSpan.Span, _textView.GetSelectionSpan());
}
public void IntoLineBreakDeep()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetLine(0).Start, 0, 5);
Assert.Equal(3, characterSpan.LastLineLength);
}
public void Last_ZeroLength()
{
Create("cats", "dogs");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(0, 0));
Assert.False(characterSpan.Last.IsSome());
}
public void CalculateVisualSpan_CharacterBackAndForth()
{
Create("the dog kicked the ball", "into the tree");
Action<SnapshotSpan> action = span =>
{
var characterSpan = new CharacterSpan(span);
var visual = VisualSpan.NewCharacter(characterSpan);
var stored = StoredVisualSpan.OfVisualSpan(visual);
var restored = _commandUtil.CalculateVisualSpan(stored);
Assert.Equal(visual, restored);
};
action(new SnapshotSpan(_textView.TextSnapshot, 0, 3));
action(new SnapshotSpan(_textView.TextSnapshot, 0, 4));
action(new SnapshotSpan(_textView.GetLine(0).Start, _textView.GetLine(1).Start.Add(1)));
}
public void LastLineLengthOfOne()
{
Create("cat", "dog", "fish");
var endPoint = _textBuffer.GetLine(1).Start.Add(1);
var span = new SnapshotSpan(_textBuffer.GetPoint(0), endPoint);
var characterSpan = new CharacterSpan(span);
Assert.Equal(endPoint, characterSpan.End);
Assert.Equal(2, characterSpan.LineCount);
}
public void EmptyLine()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetLine(1).Start, 1, 0);
Assert.True(characterSpan.IncludeLastLineLineBreak);
}
public void EndOfNonEmptyLine()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(2), 1, 2);
Assert.True(characterSpan.IncludeLastLineLineBreak);
}
public void UpToLineBreak()
{
Create("cat", "", "dog");
var characterSpan = new CharacterSpan(_textBuffer.GetPoint(0), 1, 3);
Assert.False(characterSpan.IncludeLastLineLineBreak);
}
public void EmptyLineDifferentiationTest()
{
Create("dog", "", "cat");
var span1 = new CharacterSpan(_textBuffer.GetPoint(0), 1, 5);
Assert.Equal(1, span1.LineCount);
Assert.Equal(3, span1.LastLine.Length);
var span2 = new CharacterSpan(_textBuffer.GetPoint(0), 2, 0);
Assert.Equal(2, span2.LineCount);
Assert.Equal(0, span2.LastLine.Length);
Assert.NotEqual(span1, span2);
}
/// <summary>
/// Switches mode, then sets the visual selection. The order is reversed from EnterMode(ModeKind, SnapshotSpan).
/// </summary>
/// <param name="kind"></param>
/// <param name="span"></param>
protected void SwitchEnterMode(ModeKind kind, SnapshotSpan span)
{
_vimBuffer.SwitchMode(kind, ModeArgument.None);
var characterSpan = new CharacterSpan(span);
var visualSelection = VisualSelection.NewCharacter(characterSpan, SearchPath.Forward);
visualSelection.SelectAndMoveCaret(_textView);
// skipping check: context.IsEmpty == false
_context.RunAll();
Assert.True(_context.IsEmpty);
}
public void Last_Simple()
{
Create("cats", "dogs");
var characterSpan = new CharacterSpan(_textBuffer.GetSpan(0, 3));
Assert.True(characterSpan.Last.IsSome());
Assert.Equal('t', characterSpan.Last.Value.GetChar());
}
public void IncludeLineBreakNextLineEmpty()
{
Create("cat", "", "dog");
var span = _textBuffer.GetLine(0).ExtentIncludingLineBreak;
var characterSpan = new CharacterSpan(span);
Assert.Equal(1, characterSpan.LineCount);
Assert.Equal(span, characterSpan.Span);
}
