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Epub Parser for Dart. Epub package fork. Suitable for use on the Server, the Web, or in Flutter

epub_plus #

It package is dart-epub fork

Flutter UI implementation

Epub Reader and Writer for Dart inspired by this fantastic C# Epub Reader

This does not rely on the dart:io package in any way, so it is avilable for both desktop and web-based implementations

pub package

Installing #

Add the package to the dependencies section of your pubspec.yaml

dependencies:
  epub_plus: any

Example #


  //Get the epub into memory somehow
  String fileName = 'sample.epub';
  String fullPath = path.join(io.Directory.current.path, fileName);
  var targetFile = new io.File(fullPath);
  List<int> bytes = await targetFile.readAsBytes();

  // Opens a book and reads all of its content into the memory
  EpubBook epubBook = await EpubReader.readBook(bytes);

  // 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.authors;

  // Book's cover image (null if there is no cover)
  Image? coverImage = epubBook.coverImage;

  // CHAPTERS

  // Enumerating chapters
  epubBook.chapters.forEach((EpubChapter chapter) {
    // Title of chapter
    String? chapterTitle = chapter.title;

    // HTML content of current chapter
    String? chapterHtmlContent = chapter.htmlContent;

    // Nested chapters
    List<EpubChapter> subChapters = chapter.subChapters;
  });

  // 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)
  Map<String, EpubByteContentFile>? images = bookContent?.images;

  EpubByteContentFile? firstImage =
      images?.values.firstOrNull; // Get the first image in the book

  // 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!;

  // HTML & CSS

  // All XHTML files in the book (file name is the key)
  Map<String, EpubTextContentFile>? htmlFiles = bookContent?.html;

  // All CSS files in the book (file name is the key)
  Map<String, EpubTextContentFile>? cssFiles = bookContent?.css;

  // Entire HTML content of the book
  htmlFiles?.values.forEach((EpubTextContentFile htmlFile) {
    String? htmlContent = htmlFile.content;
  });

  // All CSS content in the book
  cssFiles?.values.forEach((EpubTextContentFile cssFile) {
    String cssContent = cssFile.content!;
  });

  // OTHER CONTENT

  // All fonts in the book (file name is the key)
  Map<String, EpubByteContentFile>? fonts = bookContent?.fonts;

  // All files in the book (including HTML, CSS, images, fonts, and other types of files)
  Map<String, EpubContentFile>? allFiles = bookContent?.allFiles;

  // ACCESSING RAW SCHEMA INFORMATION

  // EPUB OPF data
  EpubPackage? package = epubBook.schema?.package;

  // Enumerating book's contributors
  package?.metadata?.contributors.forEach((contributor) {
    String contributorName = contributor.contributor!;
    String contributorRole = contributor.role!;
  });

  // EPUB NCX data
  EpubNavigation navigation = epubBook.schema!.navigation!;

  // Enumerating NCX metadata
  navigation.head?.metadata.forEach((meta) {
    String metadataItemName = meta.name!;
    String metadataItemContent = meta.content!;
  });

  // Write the Book
  var written = EpubWriter.writeBook(epubBook);

  if (written != null) {
    // Read the book into a new object!
    var newBook = await EpubReader.readBook(written);
  }
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Publisher

verified publisher4akloon.tech

Epub Parser for Dart. Epub package fork. Suitable for use on the Server, the Web, or in Flutter

Repository (GitHub)
View/report issues

Documentation

API reference

License

MIT (LICENSE)

Dependencies

archive, collection, image, path, xml

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Packages that depend on epub_plus