private static EpubBook CreateInternal(byte[] data)
{
var b = new EpubBook();
try {
using (var ms = new MemoryStream(data)) {
using (var gz = new ZipArchive(ms)) {
// ******************** CONTAINER.XML ********************//
var metainf = gz.Entries.First(z => z.FullName == "META-INF/container.xml");
using (var mscontainer = new MemoryStream()) {
metainf.Open().CopyTo(mscontainer);
mscontainer.Position = 0;
var containerDoc = XDocument.Load(mscontainer);
// Container
b.ContainerData = Container.CreateContainer(containerDoc.Root);
}
// OPF (Package)
using (var msopf = new MemoryStream()) {
// opf folder
var opsFolder = Path.GetDirectoryName(b.ContainerData.Rootfiles.First().FullPath).Replace("\\", "/");
//
metainf = gz.Entries.First(z => z.FullName == b.ContainerData.Rootfiles.First().FullPath);
metainf.Open().CopyTo(msopf);
msopf.Position = 0;
// ******************** OPF ********************//
var reader = XmlReader.Create(msopf);
var opfDoc = XDocument.Load(reader);
string ncxHref;
b.PackageData = OpfPackage.CreatePackage(opfDoc.Root, gz, opsFolder, out ncxHref);
// metadata head
// ******************** NCX ********************//
using (var msncx = new MemoryStream()) {
metainf = gz.Entries.First(z => z.FullName == opsFolder.CreatePath(ncxHref));
metainf.Open().CopyTo(msncx);
msncx.Position = 0;
var ncxDocument = XDocument.Load(msncx);
b.NavigationData = Navigation.CreateNavigation(b.PackageData.Manifest, ncxDocument);
}
}
// pull from regular content for faster access using Guide information
b.CoverDescription = b.PackageData.Guide.ReferenceTitle;
var coverItem = b.PackageData.Manifest.Items.FirstOrDefault(i => i.Href == b.PackageData.Guide.ReferenceHref);
if (coverItem != null)
{
b.CoverImage = coverItem.Data;
}
}
}
} catch (System.Exception) {
return(null);
}
return(b);
}
public EpubBook GenerateEpubMedia(int id)
{
doc = ProjectManager.Instance.GetDocument(id);
if (doc == null)
{
throw new ArgumentNullException("opus");
}
manifest.Items = new List <ManifestItem>();
var book = new EpubBook(); //create epub book object
ClearObjectValues(); //reset older values.
//set values for container.xml to book object
book.ContainerData = new Container();
//create & set value for content.opf
OpfPackage package = new OpfPackage();
//set values for opf
package.Dir = ProgressionDirection.Ltr;
package.Version = "2.0";
package.Language = "en";
package.Identifier = "urn:isbn:9780735656680";
package.MetaData = GenerateMetaData();
package.Manifest = GenerateManifest(doc);
package.Spine = GenerateSpine();
package.Guide = GenerateGuide();
book.PackageData = package;
//create & set values for toc.ncx
Navigation navigationdata = new Navigation();
//set Head
navigationdata.HeadMetaData = GenerateHeadMetaData();
//set NavMap
navigationdata.NavMap = navList;
book.NavigationData = navigationdata;
book.CoverDescription = book.PackageData.MetaData.Title.Text;
book.CoverImage = ReadBytesFromFile(HttpContext.Current.Server.MapPath("~/data/Epub") + "\\httpatomoreillycomsourcemspimages741241.jpg");
return(book);
}
// opfdata.opf
private static MemoryStream GetOpfData(OpfPackage package)
{
var opfDoc = new XDocument();
opfDoc.Declaration = XmlDeclaration;
var xe = OpfPackage.CreateXElement(package);
xe.Add(MetaData.CreateXElement(package.MetaData));
xe.Add(Manifest.CreateXElement(package.Manifest));
xe.Add(Spine.CreateXElement(package.Spine));
xe.Add(Guide.CreateXElement(package.Guide));
opfDoc.Add(xe);
var ms = new MemoryStream();
opfDoc.Save(ms);
ms.Position = 0;
return(ms);
}
