static string GetFirstLine(string text)
{
int start = 0;
while (start < text.Length)
{
char ch = text [start];
if (ch != ' ' && ch != '\t')
{
break;
}
start++;
}
int end = start;
while (end < text.Length)
{
char ch = text [end];
if (NewLine.IsNewLine(ch))
{
break;
}
end++;
}
if (end <= start)
{
return("");
}
return(text.Substring(start, end - start));
}
private bool IsLineIsEmptyUpToEol(int startOffset)
{
for (int offset = startOffset - 1; offset >= 0; offset--)
{
char ch = document.GetCharAt(offset);
if (ch != ' ' && ch != '\t')
{
return(NewLine.IsNewLine(ch));
}
}
return(true);
}
static DocumentRegion GetRegion(SyntaxTrivia trivia)
{
var fullSpan = trivia.FullSpan;
var text = trivia.ToString();
if (text.Length > 2)
{
if (text [text.Length - 2] == '\r' && text [text.Length - 1] == '\n')
{
fullSpan = new Microsoft.CodeAnalysis.Text.TextSpan(fullSpan.Start, fullSpan.Length - 2);
}
else if (NewLine.IsNewLine(text [text.Length - 1]))
{
fullSpan = new Microsoft.CodeAnalysis.Text.TextSpan(fullSpan.Start, fullSpan.Length - 1);
}
}
try {
var lineSpan = trivia.SyntaxTree.GetLineSpan(fullSpan);
return((DocumentRegion)lineSpan);
} catch (Exception) {
return(DocumentRegion.Empty);
}
}
static void ConvertNormalToVerbatimString(ITextDocument textEditorData, int offset)
{
var endOffset = offset;
while (endOffset < textEditorData.Length)
{
char ch = textEditorData.GetCharAt(endOffset);
if (ch == '\\')
{
if (endOffset + 1 < textEditorData.Length && NewLine.IsNewLine(textEditorData.GetCharAt(endOffset + 1)))
{
return;
}
endOffset += 2;
continue;
}
if (ch == '"')
{
break;
}
if (NewLine.IsNewLine(ch))
{
return;
}
endOffset++;
}
if (offset > endOffset || endOffset == textEditorData.Length)
{
return;
}
var plainText = CSharpTextPasteHandler.TextPasteUtils.StringLiteralPasteStrategy.Instance.Decode(textEditorData.GetTextAt(offset, endOffset - offset));
var newText = CSharpTextPasteHandler.TextPasteUtils.VerbatimStringStrategy.Encode(plainText);
textEditorData.ReplaceText(offset, endOffset - offset, newText);
}
/// <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());
}
/// <inheritdoc />
public void Push(char ch)
{
// append this char to the wordbuf if it can form a valid keyword, otherwise check
// if the last sequence of chars form a valid keyword and reset the wordbuf.
if ((wordToken.Length == 0 ? char.IsLetter(ch) : char.IsLetterOrDigit(ch)) || ch == '_')
{
wordToken.Append(ch);
}
else if (wordToken.Length > 0)
{
currentState.CheckKeyword(wordToken.ToString());
previousKeyword = wordToken.ToString();
wordToken.Length = 0;
isLineStartBeforeWordToken = false;
}
var isNewLine = NewLine.IsNewLine(ch);
if (!isNewLine)
{
currentState.Push(currentChar = ch);
offset++;
previousNewline = '\0';
// ignore whitespace and newline chars
var isWhitespace = currentChar == ' ' || currentChar == '\t';
if (!isWhitespace)
{
previousChar = currentChar;
isLineStart = false;
}
if (isLineStart)
{
currentIndent.Append(ch);
}
if (ch == '\t')
{
var nextTabStop = (column - 1 + textEditorOptions.IndentSize) / textEditorOptions.IndentSize;
column = 1 + nextTabStop * textEditorOptions.IndentSize;
}
else
{
column++;
}
}
else
{
if (ch == NewLine.LF && previousNewline == NewLine.CR)
{
offset++;
return;
}
currentState.Push(currentChar = newLineChar);
offset++;
previousNewline = ch;
// there can be more than one chars that determine the EOL,
// the engine uses only one of them defined with newLineChar
if (currentChar != newLineChar)
{
return;
}
currentIndent.Length = 0;
isLineStart = true;
isLineStartBeforeWordToken = true;
column = 1;
line++;
lineBeganInsideMultiLineComment = IsInsideMultiLineComment;
lineBeganInsideVerbatimString = IsInsideVerbatimString;
}
}
bool IsInsideType(IUnresolvedEntity currentType, TextLocation location)
{
if (currentType.Region.IsEmpty)
{
return(false);
}
int startOffset = document.GetOffset(currentType.Region.Begin);
int endOffset = document.GetOffset(location);
//bool foundEndBracket = false;
var bracketStack = new Stack <char> ();
bool isInString = false, isInChar = false;
bool isInLineComment = false, isInBlockComment = false;
for (int i = startOffset; i < endOffset; i++)
{
char ch = document.GetCharAt(i);
switch (ch)
{
case '(':
case '[':
case '{':
if (!isInString && !isInChar && !isInLineComment && !isInBlockComment)
{
bracketStack.Push(ch);
}
break;
case ')':
case ']':
case '}':
if (!isInString && !isInChar && !isInLineComment && !isInBlockComment)
{
if (bracketStack.Count > 0)
{
bracketStack.Pop();
}
}
break;
case '/':
if (isInBlockComment)
{
if (i > 0 && document.GetCharAt(i - 1) == '*')
{
isInBlockComment = false;
}
}
else if (!isInString && !isInChar && i + 1 < document.TextLength)
{
char nextChar = document.GetCharAt(i + 1);
if (nextChar == '/')
{
isInLineComment = true;
}
if (!isInLineComment && nextChar == '*')
{
isInBlockComment = true;
}
}
break;
case '"':
if (!(isInChar || isInLineComment || isInBlockComment))
{
isInString = !isInString;
}
break;
case '\'':
if (!(isInString || isInLineComment || isInBlockComment))
{
isInChar = !isInChar;
}
break;
default:
if (NewLine.IsNewLine(ch))
{
isInLineComment = false;
}
break;
}
}
return(bracketStack.Any(t => t == '{'));
}
public void Push(char ch)
{
var isNewLine = NewLine.IsNewLine(ch);
if (!isNewLine)
{
if (ch == '"')
{
isInString = !IsInsideString;
}
if (ch == '{' || ch == '[')
{
nextLineIndent.Push(IndentType.Block);
}
else if (ch == '}' || ch == ']')
{
if (thisLineIndent.Count > 0)
{
thisLineIndent.Pop();
}
if (nextLineIndent.Count > 0)
{
nextLineIndent.Pop();
}
}
}
else
{
if (ch == NewLine.LF && previousChar == NewLine.CR)
{
offset++;
previousChar = ch;
return;
}
}
offset++;
if (!isNewLine)
{
previousNewline = '\0';
isLineStart &= char.IsWhiteSpace(ch);
if (isLineStart)
{
currentIndent.Append(ch);
}
if (ch == '\t')
{
var nextTabStop = (column - 1 + data.Options.IndentationSize) / data.Options.IndentationSize;
column = 1 + nextTabStop * data.Options.IndentationSize;
}
else
{
column++;
}
}
else
{
previousNewline = ch;
currentIndent.Length = 0;
isLineStart = true;
column = 1;
line++;
thisLineIndent = nextLineIndent.Clone();
}
previousChar = ch;
}
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++;
}
static Stack <Tuple <char, int> > GetBracketStack(string memberText)
{
var bracketStack = new Stack <Tuple <char, int> > ();
bool inSingleComment = false, inString = false, inVerbatimString = false, inChar = false, inMultiLineComment = false;
for (int i = 0; i < memberText.Length; i++)
{
char ch = memberText [i];
char nextCh = i + 1 < memberText.Length ? memberText [i + 1] : '\0';
switch (ch)
{
case '(':
case '[':
case '{':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
bracketStack.Push(Tuple.Create(ch, i));
break;
case ')':
case ']':
case '}':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
if (bracketStack.Count > 0)
{
bracketStack.Pop();
}
break;
case '/':
if (inString || inChar || inVerbatimString)
{
break;
}
if (nextCh == '/')
{
i++;
inSingleComment = true;
}
if (nextCh == '*')
{
inMultiLineComment = true;
}
break;
case '*':
if (inString || inChar || inVerbatimString || inSingleComment)
{
break;
}
if (nextCh == '/')
{
i++;
inMultiLineComment = false;
}
break;
case '@':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
if (nextCh == '"')
{
i++;
inVerbatimString = true;
}
break;
case '\\':
if (inString || inChar)
{
i++;
}
break;
case '"':
if (inSingleComment || inMultiLineComment || inChar)
{
break;
}
if (inVerbatimString)
{
if (nextCh == '"')
{
i++;
break;
}
inVerbatimString = false;
break;
}
inString = !inString;
break;
case '\'':
if (inSingleComment || inMultiLineComment || inString || inVerbatimString)
{
break;
}
inChar = !inChar;
break;
default:
if (NewLine.IsNewLine(ch))
{
inSingleComment = false;
inString = false;
inChar = false;
}
break;
}
}
return(bracketStack);
}
public int GetCurrentParameterIndex(int triggerOffset, int endOffset, out List <string> usedNamedParameters)
{
usedNamedParameters = new List <string> ();
var parameter = new Stack <int> ();
var bracketStack = new Stack <Stack <int> > ();
bool inSingleComment = false, inString = false, inVerbatimString = false, inChar = false, inMultiLineComment = false;
var word = new StringBuilder();
bool foundCharAfterOpenBracket = false;
for (int i = triggerOffset; i < endOffset; i++)
{
char ch = document.GetCharAt(i);
char nextCh = i + 1 < document.TextLength ? document.GetCharAt(i + 1) : '\0';
if (ch == ':')
{
usedNamedParameters.Add(word.ToString());
word.Length = 0;
}
else if (char.IsLetterOrDigit(ch) || ch == '_')
{
word.Append(ch);
}
else if (char.IsWhiteSpace(ch))
{
}
else
{
word.Length = 0;
}
if (!char.IsWhiteSpace(ch) && parameter.Count > 0)
{
foundCharAfterOpenBracket = true;
}
switch (ch)
{
case '{':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
bracketStack.Push(parameter);
parameter = new Stack <int> ();
break;
case '[':
case '(':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
parameter.Push(0);
break;
case '}':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
if (bracketStack.Count > 0)
{
parameter = bracketStack.Pop();
}
else
{
return(-1);
}
break;
case ']':
case ')':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
if (parameter.Count > 0)
{
parameter.Pop();
}
else
{
return(-1);
}
break;
case '<':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
parameter.Push(0);
break;
case '=':
if (nextCh == '>')
{
i++;
continue;
}
break;
case '>':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
if (parameter.Count > 0)
{
parameter.Pop();
}
break;
case ',':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
if (parameter.Count > 0)
{
parameter.Push(parameter.Pop() + 1);
}
break;
case '/':
if (inString || inChar || inVerbatimString)
{
break;
}
if (nextCh == '/')
{
i++;
inSingleComment = true;
}
if (nextCh == '*')
{
inMultiLineComment = true;
}
break;
case '*':
if (inString || inChar || inVerbatimString || inSingleComment)
{
break;
}
if (nextCh == '/')
{
i++;
inMultiLineComment = false;
}
break;
case '@':
if (inString || inChar || inVerbatimString || inSingleComment || inMultiLineComment)
{
break;
}
if (nextCh == '"')
{
i++;
inVerbatimString = true;
}
break;
case '\\':
if (inString || inChar)
{
i++;
}
break;
case '"':
if (inSingleComment || inMultiLineComment || inChar)
{
break;
}
if (inVerbatimString)
{
if (nextCh == '"')
{
i++;
break;
}
inVerbatimString = false;
break;
}
inString = !inString;
break;
case '\'':
if (inSingleComment || inMultiLineComment || inString || inVerbatimString)
{
break;
}
inChar = !inChar;
break;
default:
if (NewLine.IsNewLine(ch))
{
inSingleComment = false;
inString = false;
inChar = false;
}
break;
}
}
if (parameter.Count != 1 || bracketStack.Count > 0)
{
return(-1);
}
if (!foundCharAfterOpenBracket)
{
return(0);
}
return(parameter.Pop() + 1);
}
/// <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));
}
public void Push(char ch)
{
var isNewLine = NewLine.IsNewLine(ch);
if (!isNewLine)
{
if (ch == '"')
{
isInString = !IsInsideString;
if (isInString)
{
savedStringIndent = nextLineIndent;
nextLineIndent = 0;
}
else
{
nextLineIndent = savedStringIndent;
}
}
if (ch == '{' || ch == '[')
{
nextLineIndent++;
}
else if (ch == '}' || ch == ']')
{
if (thisLineIndent > 0)
{
thisLineIndent--;
}
if (nextLineIndent > 0)
{
nextLineIndent--;
}
}
}
else
{
if (ch == NewLine.LF && previousChar == NewLine.CR)
{
offset++;
previousChar = ch;
return;
}
}
offset++;
if (!isNewLine)
{
// previousNewline = '\0';
isLineStart &= char.IsWhiteSpace(ch);
if (isLineStart)
{
currentIndent.Append(ch);
}
if (ch == '\t')
{
var nextTabStop = (column - 1 + editor.Options.IndentationSize) / editor.Options.IndentationSize;
column = 1 + nextTabStop * editor.Options.IndentationSize;
}
else
{
column++;
}
}
else
{
// previousNewline = ch;
currentIndent.Length = 0;
isLineStart = true;
column = 1;
line++;
thisLineIndent = nextLineIndent;
}
previousChar = ch;
}
