private static async Task <EpubByteContentFile> ReadByteContentFile(EpubContentFileRef contentFileRef)
{
var result = new EpubByteContentFile
{
FileName = contentFileRef.FileName,
ContentType = contentFileRef.ContentType,
ContentMimeType = contentFileRef.ContentMimeType,
Content = await contentFileRef.ReadContentAsBytesAsync().ConfigureAwait(false)
};
return(result);
}
private void Load_Click(object sender, RoutedEventArgs e)
{
var openFileDialog = new Microsoft.Win32.OpenFileDialog()
{
Filter = "Epub Files (*.epub)|*.epub"
};
var result = openFileDialog.ShowDialog();
if (result == true)
{
// Opens a book and reads all of its content into memory
epubBook = EpubReader.ReadBook(openFileDialog.FileName);
// COMMON PROPERTIES
// Book's title
string title = epubBook.Title;
// Book's authors (comma separated list)
string author = epubBook.Author;
// Book's authors (list of authors names)
List <string> authors = epubBook.AuthorList;
// Book's cover image (null if there is no cover)
byte[] coverImageContent = epubBook.CoverImage;
if (coverImageContent != null)
{
using (MemoryStream coverImageStream = new MemoryStream(coverImageContent.ToArray()))
{
// Assign the Source property of your image
try
{
File.Delete(openFileDialog.FileName + ".jpg");
File.WriteAllBytes(openFileDialog.FileName + ".jpg", coverImageStream.ToArray());
}
catch
{
File.WriteAllBytes(openFileDialog.FileName + ".jpg", coverImageStream.ToArray());
}
BitmapImage imageSource = new BitmapImage(new Uri(@"C:/Users/shish/Downloads/1.jpg", UriKind.Absolute));
Image1.Source = imageSource;
}
}
Info.Text = "Title: " + title + "\n" + "Author: " + author + "\n";
Info.FontWeight = FontWeights.Bold;
// CHAPTERS
// Enumerating chapters
foreach (EpubChapter chapter in epubBook.Chapters)
{
// Title of chapter
string chapterTitle = chapter.Title;
// HTML content of current chapter
string chapterHtmlContent = chapter.HtmlContent;
// Nested chapters
List <EpubChapter> subChapters = chapter.SubChapters;
//PrintChapter(chapter);
//Chapters.Inlines.Add(new Run(chapterTitle + "\n"));
Chapters.Items.Add(chapterTitle);
}
// CONTENT
// Book's content (HTML files, stlylesheets, images, fonts, etc.)
EpubContent bookContent = epubBook.Content;
// IMAGES
// All images in the book (file name is the key)
Dictionary <string, EpubByteContentFile> images = bookContent.Images;
EpubByteContentFile firstImage = images.Values.First();
// Content type (e.g. EpubContentType.IMAGE_JPEG, EpubContentType.IMAGE_PNG)
EpubContentType contentType = firstImage.ContentType;
// MIME type (e.g. "image/jpeg", "image/png")
string mimeContentType = firstImage.ContentMimeType;
// Creating Image class instance from the content
using (MemoryStream imageStream = new MemoryStream(firstImage.Content))
{
System.Drawing.Image image = System.Drawing.Image.FromStream(imageStream);
}
// HTML & CSS
// All XHTML files in the book (file name is the key)
Dictionary <string, EpubTextContentFile> htmlFiles = bookContent.Html;
// All CSS files in the book (file name is the key)
Dictionary <string, EpubTextContentFile> cssFiles = bookContent.Css;
// Entire HTML content of the book
foreach (EpubTextContentFile htmlFile in htmlFiles.Values)
{
string htmlContent = htmlFile.Content;
}
// All CSS content in the book
foreach (EpubTextContentFile cssFile in cssFiles.Values)
{
string cssContent = cssFile.Content;
}
// OTHER CONTENT
// All fonts in the book (file name is the key)
Dictionary <string, EpubByteContentFile> fonts = bookContent.Fonts;
// All files in the book (including HTML, CSS, images, fonts, and other types of files)
Dictionary <string, EpubContentFile> allFiles = bookContent.AllFiles;
// ACCESSING RAW SCHEMA INFORMATION
// EPUB OPF data
EpubPackage package = epubBook.Schema.Package;
// Enumerating book's contributors
foreach (EpubMetadataContributor contributor in package.Metadata.Contributors)
{
string contributorName = contributor.Contributor;
string contributorRole = contributor.Role;
}
// EPUB NCX data
EpubNavigation navigation = epubBook.Schema.Navigation;
// Enumerating NCX metadata
foreach (EpubNavigationHeadMeta meta in navigation.Head)
{
string metadataItemName = meta.Name;
string metadataItemContent = meta.Content;
}
}
}
/// <summary>
/// Reading all E-Book files to memory structure EpubContent
/// </summary>
/// <param name="epubArchive"></param>
/// <param name="book"></param>
/// <returns></returns>
public static EpubContent ReadContentFilesToMemory(ZipArchive epubArchive, EpubBook book)
{
EpubContent result = new EpubContent
{
Html = new Dictionary <string, EpubTextContentFile>(),
Css = new Dictionary <string, EpubTextContentFile>(),
Images = new Dictionary <string, EpubByteContentFile>(),
Fonts = new Dictionary <string, EpubByteContentFile>(),
AllFiles = new Dictionary <string, EpubContentFile>()
};
//double progress = 20;
//double increment = (double)80 / book.Schema.Package.Manifest.Count;
foreach (EpubManifestItem manifestItem in book.Schema.Package.Manifest)
{
string contentFilePath = ZipPathUtils.Combine(book.Schema.ContentDirectoryPath, manifestItem.Href);
ZipArchiveEntry contentFileEntry = epubArchive.GetEntry(contentFilePath);
if (contentFileEntry == null)
{
throw new Exception(String.Format("EPUB parsing error: file {0} not found in archive.", contentFilePath));
}
if (contentFileEntry.Length > Int32.MaxValue)
{
throw new Exception(String.Format("EPUB parsing error: file {0} is bigger than 2 Gb.", contentFilePath));
}
string fileName = manifestItem.Href;
string contentMimeType = manifestItem.MediaType;
EpubContentType contentType = GetContentTypeByContentMimeType(contentMimeType);
switch (contentType)
{
case EpubContentType.XHTML_1_1:
case EpubContentType.CSS:
case EpubContentType.OEB1_DOCUMENT:
case EpubContentType.OEB1_CSS:
case EpubContentType.XHTML_1_1XML:
case EpubContentType.DTBOOK:
case EpubContentType.DTBOOK_NCX:
EpubTextContentFile epubTextContentFile = new EpubTextContentFile
{
FileName = fileName,
ContentMimeType = contentMimeType,
ContentType = contentType
};
using (Stream contentStream = contentFileEntry.Open())
{
if (contentStream == null)
{
throw new Exception(String.Format("Incorrect EPUB file: content file \"{0}\" specified in manifest is not found", fileName));
}
using (StreamReader streamReader = new StreamReader(contentStream))
epubTextContentFile.Content = streamReader.ReadToEnd();
}
switch (contentType)
{
case EpubContentType.XHTML_1_1:
result.Html.Add(fileName, epubTextContentFile);
break;
case EpubContentType.CSS:
result.Css.Add(fileName, epubTextContentFile);
break;
}
//В данный момент в AllFiles контент не попадает, так как отсутствует конвертация из EpubTextContentFile в EpubContentFile,
//а именно, нет конвертации из string в byte[]
result.AllFiles.Add(fileName, epubTextContentFile);
break;
default:
EpubByteContentFile epubByteContentFile = new EpubByteContentFile
{
FileName = fileName,
ContentMimeType = contentMimeType,
ContentType = contentType
};
using (Stream contentStream = contentFileEntry.Open())
{
if (contentStream == null)
{
throw new Exception(String.Format("Incorrect EPUB file: content file \"{0}\" specified in manifest is not found", fileName));
}
using (MemoryStream memoryStream = new MemoryStream((int)contentFileEntry.Length))
{
contentStream.CopyTo(memoryStream);
epubByteContentFile.Content = memoryStream.ToArray();
}
}
switch (contentType)
{
case EpubContentType.IMAGE_GIF:
case EpubContentType.IMAGE_JPEG:
case EpubContentType.IMAGE_PNG:
case EpubContentType.IMAGE_SVG:
result.Images.Add(fileName, epubByteContentFile);
break;
case EpubContentType.FONT_TRUETYPE:
case EpubContentType.FONT_OPENTYPE:
result.Fonts.Add(fileName, epubByteContentFile);
break;
}
result.AllFiles.Add(fileName, epubByteContentFile);
break;
}
}
return(result);
}
