UniversalMarkdown.Parse.Elements.StrikethroughTextInline.Parse C# (CSharp) Method

        internal static Common.InlineParseResult Parse(string markdown, int start, int maxEnd)
        {
            // Check the start sequence.
            if (start >= maxEnd - 1 || markdown.Substring(start, 2) != "~~")
                return null;

            // Find the end of the span.
            var innerStart = start + 2;
            int innerEnd = Common.IndexOf(markdown, "~~", innerStart, maxEnd);
            if (innerEnd == -1)
                return null;

            // The span must contain at least one character.
            if (innerStart == innerEnd)
                return null;

            // The first character inside the span must NOT be a space.
            if (Common.IsWhiteSpace(markdown[innerStart]))
                return null;

            // The last character inside the span must NOT be a space.
            if (Common.IsWhiteSpace(markdown[innerEnd - 1]))
                return null;

            // We found something!
            var result = new StrikethroughTextInline();
            result.Inlines = Common.ParseInlineChildren(markdown, innerStart, innerEnd);
            return new Common.InlineParseResult(result, start, innerEnd + 2);
        }