public static List <EpubChapterRef> GetChapters(EpubBookRef bookRef, List <EpubNavigationPoint> navigationPoints) { List <EpubChapterRef> result = new List <EpubChapterRef>(); foreach (EpubNavigationPoint navigationPoint in navigationPoints) { string contentFileName; string anchor; int contentSourceAnchorCharIndex = navigationPoint.Content.Source.IndexOf('#'); if (contentSourceAnchorCharIndex == -1) { contentFileName = navigationPoint.Content.Source; anchor = null; } else { contentFileName = navigationPoint.Content.Source.Substring(0, contentSourceAnchorCharIndex); anchor = navigationPoint.Content.Source.Substring(contentSourceAnchorCharIndex + 1); } EpubTextContentFileRef htmlContentFileRef; if (!bookRef.Content.Html.TryGetValue(contentFileName, out htmlContentFileRef)) { throw new Exception(String.Format("Incorrect EPUB manifest: item with href = \"{0}\" is missing.", contentFileName)); } EpubChapterRef chapterRef = new EpubChapterRef(htmlContentFileRef); chapterRef.ContentFileName = contentFileName; chapterRef.Anchor = anchor; chapterRef.Title = navigationPoint.NavigationLabels.First().Text; chapterRef.SubChapters = GetChapters(bookRef, navigationPoint.ChildNavigationPoints); result.Add(chapterRef); } return(result); }
public static List <EpubChapterRef> GetChapters(EpubBookRef bookRef, EpubSpine spine, List <EpubNavigationPoint> navigationPoints) { var result = new List <EpubChapterRef>(); for (var s = 0; s < spine.Count; s++) { var itemRef = spine[s]; string contentFileName; string anchor; contentFileName = WebUtility.UrlDecode(bookRef.Schema.Package.Manifest .FirstOrDefault(e => e.Id == itemRef.IdRef)?.Href); anchor = null; if (!bookRef.Content.Html.TryGetValue(contentFileName, out var htmlContentFileRef)) { throw new Exception(string.Format("Incorrect EPUB manifest: item with href = \"{0}\" is missing.", contentFileName)); } var chapterRef = new EpubChapterRef(htmlContentFileRef); chapterRef.ContentFileName = contentFileName; chapterRef.Anchor = anchor; chapterRef.Parent = null; var navPoint = navigationPoints.LastOrDefault(nav => spine.Take(s + 1) .Select(sp => bookRef.Schema.Package.Manifest.FirstOrDefault(e => e.Id == sp.IdRef)?.Href) .Contains(nav.Content.Source.Split('#')[0])); if (navPoint != null) { chapterRef.Title = navPoint.NavigationLabels.First().Text; } else { chapterRef.Title = $"Chapter {s + 1}"; } chapterRef.SubChapters = new List <EpubChapterRef>(); result.Add(chapterRef); } return(result); }