public static Indent ConvertFrom(string indentString, Indent correctIndent, TextEditorOptions options = null)
{
options = options ?? TextEditorOptions.Default;
var result = new Indent(options);
var indent = string.Concat(indentString.Where(c => c == ' ' || c == '\t'));
var indentTypes = new Stack <IndentType>(correctIndent.indentStack);
foreach (var _ in indent.TakeWhile(c => c == '\t'))
{
if (indentTypes.Count > 0)
{
result.Push(indentTypes.Pop());
}
else
{
result.Push(IndentType.Continuation);
}
}
result.ExtraSpaces = indent
.SkipWhile(c => c == '\t')
.TakeWhile(c => c == ' ')
.Count();
return(result);
}
void AddIndentation(BraceStyle braceStyle)
{
switch (braceStyle)
{
case BraceStyle.DoNotChange:
case BraceStyle.EndOfLine:
case BraceStyle.EndOfLineWithoutSpace:
case BraceStyle.NextLine:
case BraceStyle.NextLineShifted:
case BraceStyle.BannerStyle:
indentDelta.Push(IndentType.Block);
break;
case BraceStyle.NextLineShifted2:
indentDelta.Push(IndentType.DoubleBlock);
break;
}
}
public Indent GetIndentWithoutSpace()
{
var result = new Indent(options);
foreach (var i in indentStack)
{
result.Push(i);
}
return(result);
}
void FixOpenBrace(BraceStyle braceStyle, AstNode lbrace)
{
if (lbrace.IsNull)
{
return;
}
switch (braceStyle)
{
case BraceStyle.DoNotChange:
return;
case BraceStyle.BannerStyle:
case BraceStyle.EndOfLine:
var prev = lbrace.GetPrevNode(NoWhitespacePredicate);
if (prev is PreProcessorDirective)
{
return;
}
int prevOffset = document.GetOffset(prev.EndLocation);
if (prev is Comment || prev is PreProcessorDirective)
{
int next = document.GetOffset(lbrace.GetNextNode().StartLocation);
EnsureText(prevOffset, next, "");
while (prev is Comment || prev is PreProcessorDirective)
{
prev = prev.GetPrevNode();
}
prevOffset = document.GetOffset(prev.EndLocation);
AddChange(prevOffset, 0, " {");
}
else
{
int braceOffset2 = document.GetOffset(lbrace.StartLocation);
EnsureText(prevOffset, braceOffset2, " ");
}
break;
case BraceStyle.EndOfLineWithoutSpace:
prev = lbrace.GetPrevNode(NoWhitespacePredicate);
if (prev is PreProcessorDirective)
{
return;
}
prevOffset = document.GetOffset(prev.EndLocation);
int braceOffset = document.GetOffset(lbrace.StartLocation);
EnsureText(prevOffset, braceOffset, "");
break;
case BraceStyle.NextLine:
prev = lbrace.GetPrevNode(NoWhitespacePredicate);
if (prev is PreProcessorDirective)
{
return;
}
prevOffset = document.GetOffset(prev.EndLocation);
braceOffset = document.GetOffset(lbrace.StartLocation);
EnsureText(prevOffset, braceOffset, options.EolMarker + curIndent.IndentString);
break;
case BraceStyle.NextLineShifted:
prev = lbrace.GetPrevNode(NoWhitespacePredicate);
if (prev is PreProcessorDirective)
{
return;
}
prevOffset = document.GetOffset(prev.EndLocation);
braceOffset = document.GetOffset(lbrace.StartLocation);
curIndent.Push(IndentType.Block);
EnsureText(prevOffset, braceOffset, options.EolMarker + curIndent.IndentString);
curIndent.Pop();
break;
case BraceStyle.NextLineShifted2:
prev = lbrace.GetPrevNode(NoWhitespacePredicate);
if (prev is PreProcessorDirective)
{
return;
}
prevOffset = document.GetOffset(prev.EndLocation);
braceOffset = document.GetOffset(lbrace.StartLocation);
curIndent.Push(IndentType.Block);
EnsureText(prevOffset, braceOffset, options.EolMarker + curIndent.IndentString);
curIndent.Pop();
break;
}
}
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++;
}
public static Indent ConvertFrom(string indentString, Indent correctIndent, TextEditorOptions options = null)
{
options = options ?? TextEditorOptions.Default;
var result = new Indent(options);
var indent = string.Concat(indentString.Where(c => c == ' ' || c == '\t'));
var indentTypes = new Stack<IndentType>(correctIndent.indentStack);
foreach (var _ in indent.TakeWhile(c => c == '\t'))
{
if (indentTypes.Count > 0)
result.Push(indentTypes.Pop());
else
result.Push(IndentType.Continuation);
}
result.ExtraSpaces = indent
.SkipWhile(c => c == '\t')
.TakeWhile(c => c == ' ')
.Count();
return result;
}
public Indent GetIndentWithoutSpace ()
{
var result = new Indent(options);
foreach (var i in indentStack)
result.Push(i);
return result;
}