示例#1
0
        public override BlockState TryOpen(BlockProcessor processor)
        {
            // We expect no indentation for a figure block.
            if (processor.IsCodeIndent)
            {
                return(BlockState.None);
            }

            // Match fenced char
            int  count         = 0;
            var  column        = processor.Column;
            var  line          = processor.Line;
            var  startPosition = line.Start;
            char c             = line.CurrentChar;
            var  matchChar     = c;

            while (c != '\0')
            {
                if (c != matchChar)
                {
                    break;
                }
                count++;
                c = line.NextChar();
            }

            // Requires at least 3 opening chars
            if (count < 3)
            {
                return(BlockState.None);
            }

            var figure = new Figure(this)
            {
                Span                  = new SourceSpan(startPosition, line.End),
                Line                  = processor.LineIndex,
                Column                = processor.Column,
                OpeningCharacter      = matchChar,
                OpeningCharacterCount = count
            };

            line.TrimStart();
            if (!line.IsEmpty)
            {
                var caption = new FigureCaption(this)
                {
                    Span   = new SourceSpan(line.Start, line.End),
                    Line   = processor.LineIndex,
                    Column = column + line.Start - startPosition,
                    IsOpen = false
                };
                caption.AppendLine(ref line, caption.Column, processor.LineIndex, processor.CurrentLineStartPosition);
                figure.Add(caption);
            }
            processor.NewBlocks.Push(figure);

            // Discard the current line as it is already parsed
            return(BlockState.ContinueDiscard);
        }
示例#2
0
        public override BlockState TryContinue(BlockProcessor processor, Block block)
        {
            var figure    = (Figure)block;
            var count     = figure.OpeningCharacterCount;
            var matchChar = figure.OpeningCharacter;
            var c         = processor.CurrentChar;

            var column = processor.Column;
            // Match if we have a closing fence
            var line          = processor.Line;
            var startPosition = line.Start;

            while (c == matchChar)
            {
                c = line.NextChar();
                count--;
            }

            // If we have a closing fence, close it and discard the current line
            // The line must contain only fence opening character followed only by whitespaces.
            if (count <= 0 && !processor.IsCodeIndent)
            {
                line.TrimStart();
                if (!line.IsEmpty)
                {
                    var caption = new FigureCaption(this)
                    {
                        Span   = new SourceSpan(line.Start, line.End),
                        Line   = processor.LineIndex,
                        Column = column + line.Start - startPosition,
                        IsOpen = false
                    };
                    caption.AppendLine(ref line, caption.Column, processor.LineIndex, processor.CurrentLineStartPosition);
                    figure.Add(caption);
                }

                figure.Span.End = line.End;

                // Don't keep the last line
                return(BlockState.BreakDiscard);
            }

            // Reset the indentation to the column before the indent
            processor.GoToColumn(processor.ColumnBeforeIndent);

            figure.Span.End = line.End;

            return(BlockState.Continue);
        }