public EpubChapter AddChapter(string title, string html, string fileId = null) { if (string.IsNullOrWhiteSpace(title)) { throw new ArgumentNullException(nameof(title)); } if (html == null) { throw new ArgumentNullException(nameof(html)); } fileId = fileId ?? Guid.NewGuid().ToString("N"); var file = new EpubTextFile { AbsolutePath = fileId + ".html", Href = fileId + ".html", TextContent = html, ContentType = EpubContentType.Xhtml11 }; file.MimeType = ContentType.ContentTypeToMimeType[file.ContentType]; resources.Html.Add(file); var manifestItem = new OpfManifestItem { Id = fileId, Href = file.Href, MediaType = file.MimeType }; format.Opf.Manifest.Items.Add(manifestItem); var spineItem = new OpfSpineItemRef { IdRef = manifestItem.Id, Linear = true }; format.Opf.Spine.ItemRefs.Add(spineItem); FindNavTocOl()?.Add(new XElement(NavElements.Li, new XElement(NavElements.A, new XAttribute("href", file.Href), title))); format.Ncx?.NavMap.NavPoints.Add(new NcxNavPoint { Id = Guid.NewGuid().ToString("N"), NavLabelText = title, ContentSrc = file.Href, PlayOrder = format.Ncx.NavMap.NavPoints.Any() ? format.Ncx.NavMap.NavPoints.Max(e => e.PlayOrder) : 1 }); return(new EpubChapter { Id = fileId, Title = title, RelativePath = file.AbsolutePath }); }
private static EpubResources LoadResources(ZipArchive epubArchive, EpubBook book) { var resources = new EpubResources(); foreach (var item in book.Format.Opf.Manifest.Items) { var path = PathExt.Combine(Path.GetDirectoryName(book.Format.Ocf.RootFilePath), item.Href); var entry = epubArchive.GetEntryImproved(path); if (entry == null) { throw new EpubParseException($"file {path} not found in archive."); } if (entry.Length > int.MaxValue) { throw new EpubParseException($"file {path} is bigger than 2 Gb."); } var fileName = item.Href; var mimeType = item.MediaType; EpubContentType contentType; contentType = ContentType.MimeTypeToContentType.TryGetValue(mimeType, out contentType) ? contentType : EpubContentType.Other; switch (contentType) { case EpubContentType.Xhtml11: case EpubContentType.Css: case EpubContentType.Oeb1Document: case EpubContentType.Oeb1Css: case EpubContentType.Xml: case EpubContentType.Dtbook: case EpubContentType.DtbookNcx: { var file = new EpubTextFile { FileName = fileName, MimeType = mimeType, ContentType = contentType }; using (var stream = entry.Open()) { file.Content = stream.ReadToEnd(); } switch (contentType) { case EpubContentType.Xhtml11: resources.Html.Add(file); break; case EpubContentType.Css: resources.Css.Add(file); break; default: resources.Other.Add(file); break; } break; } default: { var file = new EpubByteFile { FileName = fileName, MimeType = mimeType, ContentType = contentType }; using (var stream = entry.Open()) { if (stream == null) { throw new EpubException($"Incorrect EPUB file: content file \"{fileName}\" specified in manifest is not found"); } using (var memoryStream = new MemoryStream((int)entry.Length)) { stream.CopyTo(memoryStream); file.Content = memoryStream.ToArray(); } } switch (contentType) { case EpubContentType.ImageGif: case EpubContentType.ImageJpeg: case EpubContentType.ImagePng: case EpubContentType.ImageSvg: resources.Images.Add(file); break; case EpubContentType.FontTruetype: case EpubContentType.FontOpentype: resources.Fonts.Add(file); break; default: resources.Other.Add(file); break; } break; } } } return(resources); }