private bool SkipWhiteSpaces()
{
int start = _position;
//move to next real character
for (; _position < _text.Length && char.IsWhiteSpace(_text, _position); _position++)
{
}
//end of file
if (_position >= _text.Length)
{
return(true);
}
//if the header has already started and we're not in an open region, check if there was more than one NewLine
if (_started && _regionStarts.Count == 0)
{
var firstNewLine = NewLineManager.NextLineEndPositionInformation(_text, start, _position - start);
if (firstNewLine != null)
{
int afterFirstNewLine = firstNewLine.Index + firstNewLine.LineEndLenght;
int nextNewLine = NewLineManager.NextLineEndPosition(_text, afterFirstNewLine, _position - afterFirstNewLine);
//more than one NewLine (= at least one empty line)
if (nextNewLine > 0)
{
return(true);
}
}
}
return(false);
}
private EditPoint EndOfHeader(string header, TextPoint start = null)
{
if (start == null)
{
start = _document.CreateEditPoint(_document.StartPoint);
}
var end = _document.CreateEditPoint(start);
var headerLengthInCursorSteps = NewLineManager.ReplaceAllLineEnds(header, " ").Length;
end.CharRight(headerLengthInCursorSteps);
return(end);
}
public Document(TextDocument document, Language language, string[] lines, ProjectItem projectItem, IEnumerable <string> keywords = null)
{
_document = document;
_lineEndingInDocument = NewLineManager.DetectMostFrequentLineEnd(GetText());
string inputText = CreateInputText(lines);
_header = new DocumentHeader(document, inputText, new DocumentHeaderProperties(projectItem));
_keywords = keywords;
_language = language;
_commentParser = new CommentParser(language.LineComment, language.BeginComment, language.EndComment, language.BeginRegion, language.EndRegion);
}
private bool HandleToken(string token)
{
if (token == null)
{
return(false);
}
if (LineComment != null && token.StartsWith(LineComment))
{
SetStarted();
//proceed to end of line
_position = NewLineManager.NextLineEndPosition(_text, _position - token.Length + LineComment.Length);
UpdatePositionIfEndOfFile();
return(true);
}
else if (BeginComment != null && token.StartsWith(BeginComment))
{
SetStarted();
_position = _text.IndexOf(EndComment, _position - token.Length + BeginComment.Length);
if (_position < 0)
{
throw new ParseException();
}
else
{
_position += EndComment.Length;
}
return(true);
}
else if (BeginRegion != null && token == BeginRegion)
{
SetStarted();
_regionStarts.Push(_position - BeginRegion.Length);
_position = NewLineManager.NextLineEndPosition(_text, _position);
UpdatePositionIfEndOfFile();
return(true);
}
else if (EndRegion != null && token == EndRegion)
{
SetStarted();
if (_regionStarts.Count == 0)
{
throw new ParseException();
}
_regionStarts.Pop();
_position = NewLineManager.NextLineEndPosition(_text, _position);
UpdatePositionIfEndOfFile();
return(true);
}
else if (EndRegion != null && EndRegion.Contains(token))
{
SetStarted();
string firstPart = token;
token = GetToken();
if ((firstPart + " " + token) == EndRegion)
{
if (_regionStarts.Count == 0)
{
throw new ParseException();
}
_regionStarts.Pop();
}
_position = NewLineManager.NextLineEndPosition(_text, _position);
UpdatePositionIfEndOfFile();
return(true);
}
else
{
_position -= token.Length;
return(false);
}
}