private static bool IsEndOfLine(string markdown, int position, out int positionAfterEnd) { positionAfterEnd = MarkdownParsingUtils.FindNextNotFitting(markdown, position, char.IsWhiteSpace); var endTagSubstr = markdown.Substring(position, positionAfterEnd - position); return(endTagSubstr.Any(MarkdownParsingUtils.IsNextLineSymbol) || positionAfterEnd == markdown.Length); }
public override bool Fits(string markdown, int position, out int positionAfterEnd, TagInfo previousTag) { positionAfterEnd = MarkdownParsingUtils.FindNextNotFitting(markdown, position, char.IsWhiteSpace); var symbolsBetween = markdown.Substring(position, positionAfterEnd - position); var exactlyOneNewLine = symbolsBetween.Count(MarkdownParsingUtils.IsNextLineSymbol) == 1; var nextLineSymbolPosition = symbolsBetween.IndexOfAny(MarkdownParsingUtils.NextLineSymbols.ToCharArray()); var enoughSpaces = nextLineSymbolPosition >= MinimalSpaceSymbolsNumberBeforeNewLine; positionAfterEnd = position + nextLineSymbolPosition + 1; return(exactlyOneNewLine && enoughSpaces); }
public override bool Fits(string markdown, int position, out int positionAfterEnd, TagInfo previousTag = null) { positionAfterEnd = -1; if (TagPosition == TagPosition.Opening) { int afterWhiteSpaces; if (IsEndOfLine(markdown, position, out afterWhiteSpaces)) { return(false); } var headerSymbolsEndPosition = MarkdownParsingUtils.FindNextNotFitting(markdown, afterWhiteSpaces, HeaderSymbol.Equals); var headerSymbolsCount = headerSymbolsEndPosition - afterWhiteSpaces; if (!IsInRangeNotStrict(headerSymbolsCount, 1, 6)) { return(false); } positionAfterEnd = MarkdownParsingUtils.FindNextNotFitting(markdown, headerSymbolsEndPosition, char.IsWhiteSpace); if (positionAfterEnd == headerSymbolsEndPosition) { return(false); // need at least one white space } HeaderLevel = headerSymbolsCount; return(true); } else { if (IsEndOfLine(markdown, position, out positionAfterEnd)) { return(true); } if (markdown[positionAfterEnd] != HeaderSymbol) { return(false); } var positionAfterHeaderSymbols = MarkdownParsingUtils.FindNextNotFitting(markdown, positionAfterEnd, HeaderSymbol.Equals); return(IsEndOfLine(markdown, positionAfterHeaderSymbols, out positionAfterEnd)); } }
public override bool Fits(string markdown, int position, out int positionAfterEnd, TagInfo previousTag = null) { switch (TagPosition) { case TagPosition.Closing: positionAfterEnd = MarkdownParsingUtils.FindNextNotFitting(markdown, position, char.IsWhiteSpace); var symbolsBetween = markdown.Substring(position, positionAfterEnd - position); var newLinesCount = symbolsBetween.Count(MarkdownParsingUtils.IsNextLineSymbol); int ignore; var nextTagIsHeader = new HeaderTagInfo(TagPosition.Opening).Fits(markdown, positionAfterEnd, out ignore); var enoughNewLines = newLinesCount > 1; var enoughForNextHeader = newLinesCount == 1 || previousTag?.Tag == Tag.Paragraph; return(enoughNewLines || (enoughForNextHeader && nextTagIsHeader)); case TagPosition.Opening: positionAfterEnd = MarkdownParsingUtils.FindNextNotFitting(markdown, position, char.IsWhiteSpace); return(true); default: throw new InvalidOperationException("Tag position should eather be opening or closing."); } }