/// <summary> /// Feeds the style with a block about the specific media.<br/> /// When no media is specified, "all" will be used. /// </summary> /// <param name="cssData"> </param> /// <param name="block">the CSS block to handle</param> /// <param name="media">optional: the media (default - all)</param> private void FeedStyleBlock(CssData cssData, string block, string media = "all") { int startIdx = block.IndexOf("{", StringComparison.Ordinal); int endIdx = startIdx > -1 ? block.IndexOf("}", startIdx) : -1; if (startIdx > -1 && endIdx > -1) { string blockSource = block.Substring(startIdx + 1, endIdx - startIdx - 1); var classes = block.Substring(0, startIdx).Split(','); foreach (string cls in classes) { string className = cls.Trim(_cssClassTrimChars); if (!String.IsNullOrEmpty(className)) { var newblock = ParseCssBlockImp(className, blockSource); if (newblock != null) { cssData.AddCssBlock(media, newblock); } } } } }