protected override void Run()
{
CommandRange range = _selector();
ChangeRange(range);
if (range != CommandRange.Empty)
{
// Move caret inside if it is on on opening character and block is empty
if (range.Length == 0 && Editor.Caret.Offset < range.Start)
{
Editor.Caret.Offset++;
}
else
{
// if block still has two newlines inside, then drop inside block and indent
int del1 = NewLine.GetDelimiterLength(Editor.Text[range.Start - 1], Editor.Text[range.Start]);
if (del1 > 0)
{
int del2Start = range.Start - 1 + del1;
int del2 = NewLine.GetDelimiterLength(Editor.Text[del2Start],
Editor.Text[del2Start + 1]);
if (del2 > 0)
{
IndentCaretInBlock(range.Start - 2);
}
}
}
}
}
protected override void Run()
{
var range = _selector();
DeleteRange(range);
if (range != CommandRange.Empty)
{
// Make sure there is no more than one newline left inside block
int del1 = NewLine.GetDelimiterLength(Editor.Text[range.Start - 1], Editor.Text[range.Start]);
if (del1 > 0)
{
int del2Start = range.Start - 1 + del1;
int del2 = NewLine.GetDelimiterLength(Editor.Text[del2Start],
Editor.Text[del2Start + 1]);
if (del2 > 0)
{
Editor.SetSelection(del2Start, del2Start + del2);
ClipboardActions.Cut(Editor);
// put caret on closingChar
int caret = Editor.Caret.Offset;
while (Char.IsWhiteSpace(Editor.Text[caret]))
{
caret++;
}
Editor.Caret.Offset = caret;
}
}
}
}
static unsafe internal Delimiter NextDelimiter(string text, int offset)
{
fixed(char *start = text)
{
char *p = start + offset;
char *endPtr = start + text.Length;
while (p < endPtr)
{
char *nextp = p + 1;
char nextChar = nextp < endPtr ? *nextp : '\0';
var nl = NewLine.GetDelimiterLength(*p, nextChar);
if (nl > 0)
{
return(new Delimiter((int)(p - start), nl));
}
p++;
}
return(Delimiter.Invalid);
}
}
private static unsafe TextLocation AdvanceLocation(TextLocation startLocation, string str)
{
int line = startLocation.Line;
int col = startLocation.Column;
fixed(char *start = str)
{
char *p = start;
char *endPtr = start + str.Length;
while (p < endPtr)
{
var nl = NewLine.GetDelimiterLength(*p, () =>
{
char *nextp = p + 1;
if (nextp < endPtr)
{
return(*nextp);
}
return('\0');
});
if (nl > 0)
{
line++;
col = 1;
if (nl == 2)
{
p++;
}
}
else
{
col++;
}
p++;
}
}
return(new TextLocation(line, col));
}
internal static string HomogenizeEol(string str)
{
var sb = new StringBuilder();
for (int i = 0; i < str.Length; i++)
{
var ch = str[i];
var possibleNewline = NewLine.GetDelimiterLength(ch, i + 1 < str.Length ? str[i + 1] : '\0');
if (possibleNewline > 0)
{
sb.AppendLine();
if (possibleNewline == 2)
{
i++;
}
}
else
{
sb.Append(ch);
}
}
return(sb.ToString());
}
/// <inheritdoc />
string ITextPasteHandler.FormatPlainText(int offset, string text, byte[] copyData)
{
if (copyData != null && copyData.Length == 1)
{
var strategy = TextPasteUtils.Strategies[(PasteStrategy)copyData[0]];
text = strategy.Decode(text);
}
engine.Update(offset);
if (engine.IsInsideStringLiteral)
{
int idx = text.IndexOf('"');
if (idx > 0)
{
var o = offset;
while (o < engine.Document.TextLength)
{
char ch = engine.Document.GetCharAt(o);
engine.Push(ch);
if (NewLine.IsNewLine(ch))
{
break;
}
o++;
if (!engine.IsInsideStringLiteral)
{
return(TextPasteUtils.StringLiteralStrategy.Encode(text));
}
}
return(TextPasteUtils.StringLiteralStrategy.Encode(text.Substring(0, idx)) + text.Substring(idx));
}
return(TextPasteUtils.StringLiteralStrategy.Encode(text));
}
else if (engine.IsInsideVerbatimString)
{
int idx = text.IndexOf('"');
if (idx > 0)
{
var o = offset;
while (o < engine.Document.TextLength)
{
char ch = engine.Document.GetCharAt(o);
engine.Push(ch);
o++;
if (!engine.IsInsideVerbatimString)
{
return(TextPasteUtils.VerbatimStringStrategy.Encode(text));
}
}
return(TextPasteUtils.VerbatimStringStrategy.Encode(text.Substring(0, idx)) + text.Substring(idx));
}
return(TextPasteUtils.VerbatimStringStrategy.Encode(text));
}
var line = engine.Document.GetLineByOffset(offset);
var pasteAtLineStart = line.Offset == offset;
var indentedText = new StringBuilder();
var curLine = new StringBuilder();
var clonedEngine = engine.Clone();
bool isNewLine = false, gotNewLine = false;
for (int i = 0; i < text.Length; i++)
{
var ch = text[i];
if (clonedEngine.IsInsideVerbatimString || clonedEngine.IsInsideMultiLineComment)
{
clonedEngine.Push(ch);
curLine.Append(ch);
continue;
}
var delimiterLength = NewLine.GetDelimiterLength(ch, i + 1 < text.Length ? text[i + 1] : ' ');
if (delimiterLength > 0)
{
isNewLine = true;
if (gotNewLine || pasteAtLineStart)
{
if (curLine.Length > 0 || formattingOptions.EmptyLineFormatting == EmptyLineFormatting.Indent)
{
indentedText.Append(clonedEngine.ThisLineIndent);
}
}
indentedText.Append(curLine);
indentedText.Append(textEditorOptions.EolMarker);
curLine.Length = 0;
gotNewLine = true;
i += delimiterLength - 1;
// textEditorOptions.EolMarker[0] is the newLineChar used by the indentation engine.
clonedEngine.Push(textEditorOptions.EolMarker[0]);
}
else
{
if (isNewLine)
{
if (ch == '\t' || ch == ' ')
{
clonedEngine.Push(ch);
continue;
}
isNewLine = false;
}
curLine.Append(ch);
clonedEngine.Push(ch);
}
if (clonedEngine.IsInsideVerbatimString || clonedEngine.IsInsideMultiLineComment &&
!(clonedEngine.LineBeganInsideVerbatimString || clonedEngine.LineBeganInsideMultiLineComment))
{
if (gotNewLine)
{
if (curLine.Length > 0 || formattingOptions.EmptyLineFormatting == EmptyLineFormatting.Indent)
{
indentedText.Append(clonedEngine.ThisLineIndent);
}
}
pasteAtLineStart = false;
indentedText.Append(curLine);
curLine.Length = 0;
gotNewLine = false;
continue;
}
}
if (gotNewLine && (!pasteAtLineStart || curLine.Length > 0))
{
indentedText.Append(clonedEngine.ThisLineIndent);
}
if (curLine.Length > 0)
{
indentedText.Append(curLine);
}
return(indentedText.ToString());
}
public void Push(char ch)
{
if (readPreprocessorExpression)
{
wordBuf.Append(ch);
}
if (inside.HasFlag(Inside.VerbatimString) && pc == '"' && ch != '"')
{
inside &= ~Inside.StringLiteral;
}
switch (ch)
{
case '#':
if (IsLineStart)
{
inside = Inside.PreProcessor;
}
break;
case '/':
if (IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (pc == '/')
{
if (inside.HasFlag(Inside.Comment))
{
inside |= Inside.DocComment;
}
else
{
inside |= Inside.Comment;
}
}
break;
case '*':
if (IsInStringOrChar || IsInComment || IsInPreProcessorComment)
{
break;
}
if (pc == '/')
{
inside |= Inside.MultiLineComment;
}
break;
case ' ':
currentIndent.Append(' ');
break;
case '\t':
var nextTabStop = (col - 1 + textEditorOptions.IndentSize) / textEditorOptions.IndentSize;
col = 1 + nextTabStop * textEditorOptions.IndentSize;
currentIndent.Append('\t');
offset++;
return;
case '"':
if (IsInComment || IsInPreProcessorComment)
{
break;
}
if (inside.HasFlag(Inside.StringLiteral))
{
if (pc != '\\')
{
inside &= ~Inside.StringLiteral;
}
break;
}
if (pc == '@')
{
inside |= Inside.VerbatimString;
}
else
{
inside |= Inside.StringLiteral;
}
break;
case '<':
case '[':
case '(':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
parenStack.Push(new TextLocation(line, col));
popNextParenBlock = true;
indent.Push(IndentType.Block);
break;
case '>':
case ']':
case ')':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (popNextParenBlock && parenStack.Count > 0)
{
parenStack.Pop();
}
if (indent.Count > 0)
{
indent.Pop();
}
indent.ExtraSpaces = 0;
break;
case ',':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (parenStack.Count > 0 && parenStack.Peek().Line == line)
{
if (indent.Count > 0)
{
indent.Pop();
}
popNextParenBlock = false;
indent.ExtraSpaces = parenStack.Peek().Column - 1 - thisLineindent.CurIndent;
}
break;
case '{':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
currentBody = nextBody;
if (indent.Count > 0 && indent.Peek() == IndentType.Continuation)
{
indent.Pop();
}
addContinuation = false;
AddIndentation(currentBody);
break;
case '}':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (indentDelta.CurIndent > 0)
{
indentDelta.Pop();
if (indentDelta.Count > 0 && indentDelta.Peek() == IndentType.Continuation)
{
indentDelta.Pop();
}
}
else
{
if (thisLineindent.Count > 0)
{
thisLineindent.Pop();
}
if (indent.Count > 0)
{
indent.Pop();
}
}
break;
case ';':
if (IsInComment || IsInStringOrChar || IsInPreProcessorComment)
{
break;
}
if (indent.Count > 0 && indent.Peek() == IndentType.Continuation)
{
indent.Pop();
}
break;
case '\'':
if (IsInComment || inside.HasFlag(Inside.StringLiteral) || IsInPreProcessorComment)
{
break;
}
if (inside.HasFlag(Inside.CharLiteral))
{
if (pc != '\\')
{
inside &= ~Inside.CharLiteral;
}
}
else
{
inside &= Inside.CharLiteral;
}
break;
default:
var nl = NewLine.GetDelimiterLength(ch, pc);
if (nl == 2)
{
break;
}
if (nl == 1)
{
if (readPreprocessorExpression)
{
if (!eval(wordBuf.ToString()))
{
inside |= Inside.PreProcessorComment;
}
}
inside &= ~(Inside.Comment | Inside.String | Inside.CharLiteral | Inside.PreProcessor);
CheckKeyword(wordBuf.ToString());
wordBuf.Length = 0;
indent.Push(indentDelta);
indentDelta = new Indent(textEditorOptions);
if (addContinuation)
{
indent.Push(IndentType.Continuation);
}
thisLineindent = indent.Clone();
addContinuation = false;
IsLineStart = true;
readPreprocessorExpression = false;
col = 1;
line++;
currentIndent.Length = 0;
}
break;
}
if (!IsInComment && !IsInStringOrChar && !readPreprocessorExpression)
{
if ((wordBuf.Length == 0 ? char.IsLetter(ch) : char.IsLetterOrDigit(ch)) || ch == '_')
{
wordBuf.Append(ch);
}
else
{
if (inside.HasFlag(Inside.PreProcessor))
{
if (wordBuf.ToString() == "endif")
{
inside &= ~Inside.PreProcessorComment;
}
else if (wordBuf.ToString() == "if")
{
readPreprocessorExpression = true;
}
else if (wordBuf.ToString() == "elif")
{
inside &= ~Inside.PreProcessorComment;
readPreprocessorExpression = true;
}
}
else
{
CheckKeyword(wordBuf.ToString());
}
wordBuf.Length = 0;
}
}
if (addContinuation)
{
indent.Push(IndentType.Continuation);
addContinuation = false;
}
IsLineStart &= ch == ' ' || ch == '\t' || NewLine.IsNewLine(ch);
pc = ch;
if (!NewLine.IsNewLine(ch))
{
col++;
}
offset++;
}
/// <inheritdoc />
string ITextPasteHandler.FormatPlainText(SourceText sourceText, int offset, string text, byte [] copyData)
{
if (copyData != null && copyData.Length == 1)
{
var strategy = TextPasteUtils.Strategies [(PasteStrategy)copyData [0]];
text = strategy.Decode(text);
}
engine.Update(sourceText, offset);
if (engine.IsInsideStringLiteral)
{
int idx = text.IndexOf('"');
if (idx > 0)
{
var o = offset;
while (o < sourceText.Length)
{
char ch = sourceText [o];
engine.Push(ch);
if (NewLine.IsNewLine(ch))
{
break;
}
o++;
if (!engine.IsInsideStringLiteral)
{
return(TextPasteUtils.StringLiteralStrategy.Encode(text));
}
}
return(TextPasteUtils.StringLiteralStrategy.Encode(text.Substring(0, idx)) + text.Substring(idx));
}
return(TextPasteUtils.StringLiteralStrategy.Encode(text));
}
else if (engine.IsInsideVerbatimString)
{
int idx = text.IndexOf('"');
if (idx > 0)
{
var o = offset;
while (o < sourceText.Length)
{
char ch = sourceText [o];
engine.Push(ch);
o++;
if (!engine.IsInsideVerbatimString)
{
return(TextPasteUtils.VerbatimStringStrategy.Encode(text));
}
}
return(TextPasteUtils.VerbatimStringStrategy.Encode(text.Substring(0, idx)) + text.Substring(idx));
}
return(TextPasteUtils.VerbatimStringStrategy.Encode(text));
}
// on the fly formatting is done in post formatting, if turned off just correct indenting.
if (!InUnitTestMode && DefaultSourceEditorOptions.Instance.OnTheFlyFormatting)
{
return(text);
}
var line = sourceText.Lines.GetLineFromPosition(offset);
var pasteAtLineStart = line.Start == offset;
var indentedText = StringBuilderCache.Allocate();
var curLine = StringBuilderCache.Allocate();
var clonedEngine = engine.Clone();
bool isNewLine = false, gotNewLine = false;
for (int i = 0; i < text.Length; i++)
{
var ch = text [i];
if (clonedEngine.IsInsideVerbatimString || clonedEngine.IsInsideMultiLineComment || clonedEngine.IsInsidePreprocessorComment)
{
clonedEngine.Push(ch);
curLine.Append(ch);
continue;
}
var delimiterLength = NewLine.GetDelimiterLength(ch, i + 1 < text.Length ? text [i + 1] : ' ');
if (delimiterLength > 0)
{
isNewLine = true;
if (gotNewLine || pasteAtLineStart)
{
if (curLine.Length > 0 /*|| formattingOptions.EmptyLineFormatting == EmptyLineFormatting.Indent*/)
{
indentedText.Append(clonedEngine.ThisLineIndent);
}
}
indentedText.Append(curLine);
var newLine = options.GetOption(FormattingOptions.NewLine, LanguageNames.CSharp);
indentedText.Append(newLine);
curLine.Length = 0;
gotNewLine = true;
i += delimiterLength - 1;
// textEditorOptions.EolMarker[0] is the newLineChar used by the indentation engine.
clonedEngine.Push(newLine [0]);
}
else
{
if (isNewLine)
{
if (ch == '\t' || ch == ' ')
{
clonedEngine.Push(ch);
continue;
}
isNewLine = false;
}
curLine.Append(ch);
clonedEngine.Push(ch);
}
if (clonedEngine.IsInsideVerbatimString || clonedEngine.IsInsideMultiLineComment &&
!(clonedEngine.LineBeganInsideVerbatimString || clonedEngine.LineBeganInsideMultiLineComment))
{
if (gotNewLine)
{
if (curLine.Length > 0 /*|| formattingOptions.EmptyLineFormatting == EmptyLineFormatting.Indent*/)
{
indentedText.Append(clonedEngine.ThisLineIndent);
}
}
pasteAtLineStart = false;
indentedText.Append(curLine);
curLine.Length = 0;
gotNewLine = false;
continue;
}
}
if (gotNewLine && (!pasteAtLineStart || curLine.Length > 0))
{
indentedText.Append(clonedEngine.ThisLineIndent);
}
if (curLine.Length > 0)
{
indentedText.Append(curLine);
}
StringBuilderCache.Free(curLine);
return(StringBuilderCache.ReturnAndFree(indentedText));
}