Bloom.Book.SizeAndOrientation.FromString C# (CSharp) Method

        public static SizeAndOrientation FromString(string name)
        {
            var nameLower = name.ToLowerInvariant();
            var startOfOrientationName = Math.Max(nameLower.IndexOf("landscape"), nameLower.IndexOf("portrait"));
            if(startOfOrientationName == -1)
            {
                Debug.Fail("No orientation name found in '"+nameLower+"'");
                return new SizeAndOrientation()
                    {
                        IsLandScape=false,
                        PageSizeName = "A5"
                    };
            }

            return new SizeAndOrientation()
                    {
                        IsLandScape = nameLower.Contains("landscape"),
                        PageSizeName = ExtractPageSizeName(name, startOfOrientationName),
                    };
        }

        public static Layout FromDom(HtmlDom dom, Layout defaultIfMissing)
        {
            var firstPage = dom.SelectSingleNode("descendant-or-self::div[contains(@class,'bloom-page')]");

            if (firstPage == null)
            {
                return(defaultIfMissing);
            }

            var layout = new Layout {
                SizeAndOrientation = defaultIfMissing.SizeAndOrientation, Style = defaultIfMissing.Style
            };

            foreach (var part in firstPage.GetStringAttribute("class").SplitTrimmed(' '))
            {
                if (part.ToLowerInvariant().Contains("portrait") || part.ToLowerInvariant().Contains("landscape"))
                {
                    layout.SizeAndOrientation = SizeAndOrientation.FromString(part);
                }
                if (part.ToLowerInvariant().Contains("layout-style-"))
                {
                    int startIndex = "layout-style-".Length;
                    layout.Style = part.Substring(startIndex, part.Length - startIndex);                        //reivew: this might let us suck up a style that is no longer listed in any css
                }
            }
            return(layout);
        }