private static byte[] SaveBookInternal(EpubBook book)
{
var ms = new MemoryStream();
using (ZipStorer gz = ZipStorer.Create(ms, ""))
{
// mimetype File
Stream mimeType = new MemoryStream();
var mtString = "application/epub+zip";
mimeType.Write(Encoding.ASCII.GetBytes(mtString), 0, mtString.Length);
mimeType.Position = 0;
gz.AddStream(ZipStorer.Compression.Deflate, "mimetype", mimeType, DateTime.Now, "");
// OPF File with three Elements: METADATA, MANIFEST, SPINE
// container
Stream metaInf = GetContainerData(book.ContainerData);
gz.AddStream(ZipStorer.Compression.Deflate, "META-INF/container.xml", metaInf, DateTime.Now, "");
// opf
var opfPath = book.ContainerData.Rootfiles.First().FullPath;
// <item id="ncxtoc" media-type="application/x-dtbncx+xml" href="toc.ncx"/>
book.PackageData.Manifest.Items.Add(new ContentFile
{
Identifier = book.PackageData.Spine.Toc,
Href = "toc.ncx",
MediaType = "application/x-dtbncx+xml"
});
Stream opfData = GetOpfData(book.PackageData);
gz.AddStream(ZipStorer.Compression.Deflate, opfPath, opfData, DateTime.Now, "");
// ncx
//List<NavPoint> navmaplist = new List<NavPoint>();
//for (int i = 0; i < book.PackageData.Manifest.Items.Count; i++)
//{
// if (book.PackageData.Manifest.Items[i].MediaType == "application/xhtml+xml")
// {
// navmaplist.Add(new NavPoint { Identifier = book.PackageData.Manifest.Items[i].Identifier, PlayOrder = (i + 1), LabelText = System.Text.Encoding.UTF8.GetString(book.PackageData.Manifest.Items[i].Data), Content = book.PackageData.Manifest.Items[i].Href });
// }
//}
book.GetTableOfContent().HeadMetaData = new Head();
book.GetTableOfContent().NavMap = book.NavigationData.NavMap;
book.GetTableOfContent().HeadMetaData.Identifier = "isbn:9780735656680";// Guid.NewGuid().ToString();
book.GetTableOfContent().HeadMetaData.Creator = book.PackageData.MetaData.Creator.ToString();
book.GetTableOfContent().HeadMetaData.Depth = 2;
book.GetTableOfContent().HeadMetaData.TotalPageCount = 0;
book.GetTableOfContent().HeadMetaData.MaxPageNumber = 0;
Stream ncxData = GetNcxData(book.GetTableOfContent(), book.PackageData.MetaData.Title.Text);
string ncxElement = Helper.CreatePath(Path.GetDirectoryName(opfPath), "toc.ncx");
gz.AddStream(ZipStorer.Compression.Deflate, ncxElement, ncxData, DateTime.Now, "");
// take manifest items and create remaining files
var oepbsPath = Path.GetDirectoryName(opfPath);
foreach (var item in book.GetAllFiles().Where(file => file.Href != "toc.ncx"))
{
var msItem = new MemoryStream(item.Data);
msItem.Position = 0;
var path = String.Format("{0}/{1}", oepbsPath, item.Href);
gz.AddStream(ZipStorer.Compression.Deflate, path, msItem, DateTime.Now, "");
}
ms.Position = 0;
return(ms.ToArray());
}
}
private static byte[] SaveEpubToDisk(EpubBook book)
{
string FileName = Guid.NewGuid().ToString();
string PhysicalPath = Path.Combine(Path.Combine(HostingEnvironment.ApplicationPhysicalPath, "data\\"));
MemoryStream ms = new MemoryStream();
using (FileStream epubfile = File.Open(PhysicalPath + "\\Epub_" + FileName + ".epub", FileMode.Create, FileAccess.ReadWrite))
{
using (var output = new ZipOutputStream(epubfile))
{
var e = output.PutNextEntry("mimetype");
e.CompressionLevel = Ionic.Zlib.CompressionLevel.None;
Stream mimeType = new MemoryStream();
var mtString = "application/epub+zip";
output.Write(Encoding.ASCII.GetBytes(mtString), 0, mtString.Length);
// OPF File with three Elements: METADATA, MANIFEST, SPINE
// container
output.PutNextEntry("META-INF/container.xml");
byte[] metaInf = Helper.ReadStreamToEnd(GetContainerData(book.ContainerData));
output.Write(metaInf, 0, metaInf.Length);
// <item id="ncxtoc" media-type="application/x-dtbncx+xml" href="toc.ncx"/>
book.PackageData.Manifest.Items.Add(new ContentFile
{
Identifier = book.PackageData.Spine.Toc,
Href = "toc.ncx",
MediaType = "application/x-dtbncx+xml"
});
output.PutNextEntry("OEBPS/content.opf");
byte[] opfData = Helper.ReadStreamToEnd(GetOpfData(book.PackageData));
output.Write(opfData, 0, opfData.Length);
book.GetTableOfContent().HeadMetaData = new Head();
book.GetTableOfContent().NavMap = book.NavigationData.NavMap;
book.GetTableOfContent().HeadMetaData.Identifier = "isbn:9780735656680";// Guid.NewGuid().ToString();
book.GetTableOfContent().HeadMetaData.Creator = book.PackageData.MetaData.Creator.ToString();
book.GetTableOfContent().HeadMetaData.Depth = 2;
book.GetTableOfContent().HeadMetaData.TotalPageCount = 0;
book.GetTableOfContent().HeadMetaData.MaxPageNumber = 0;
output.PutNextEntry("OEBPS/toc.ncx");
byte[] ncxData = Helper.ReadStreamToEnd(GetNcxData(book.GetTableOfContent(), book.PackageData.MetaData.Title.Text));
output.Write(ncxData, 0, ncxData.Length);
// take manifest items and create remaining files
foreach (var item in book.GetAllFiles().Where(file => file.Href != "toc.ncx"))
{
//var msItem = new MemoryStream(item.Data);
//msItem.Position = 0;
var path = String.Format("{0}/{1}", "OEBPS", item.Href);
output.PutNextEntry(path);
output.Write(item.Data, 0, item.Data.Length);
}
}
}
using (FileStream fileStream = File.OpenRead(PhysicalPath + "\\Epub_" + FileName + ".epub"))
{
MemoryStream memStream = new MemoryStream();
memStream.SetLength(fileStream.Length);
fileStream.Read(memStream.GetBuffer(), 0, (int)fileStream.Length);
ms = memStream;
}
if (File.Exists(PhysicalPath + "\\Epub_" + FileName + ".epub"))
{
File.Delete(PhysicalPath + "\\Epub_" + FileName + ".epub");
}
ms.Position = 0;
return(ms.ToArray());
}
private static byte[] SaveBookInternal(EpubBook book)
{
using (var ms = new MemoryStream()) {
using (var gz = new ZipArchive(ms, ZipArchiveMode.Create, true, Encoding.UTF8)) {
const string tconcx = "toc.ncx";
// mimetype File
var mtFile = gz.CreateEntry("mimetype", CompressionLevel.NoCompression);
var stream = mtFile.Open();
var bytes = Encoding.ASCII.GetBytes("application/epub+zip");
stream.Write(bytes, 0, bytes.Length);
stream.Close();
// OPF File with three Elements: METADATA, MANIFEST, SPINE
// container
var metaInf = GetContainerData(book.ContainerData);
var metInfFile = gz.CreateEntry("META-INF/container.xml", CompressionLevel.Optimal);
using (var sw = new StreamWriter(metInfFile.Open())) {
metaInf.CopyTo(sw.BaseStream);
}
// ncx
// <item id="ncxtoc" media-type="application/x-dtbncx+xml" href="toc.ncx"/>
book.PackageData.Manifest.Items.Add(new ContentFile {
Identifier = book.PackageData.Spine.Toc,
Href = tconcx,
MediaType = "application/x-dtbncx+xml"
});
// opf
var opfPath = book.ContainerData.Rootfiles.First().FullPath;
var opfData = GetOpfData(book.PackageData);
var opfFile = gz.CreateEntry(opfPath, CompressionLevel.Optimal);
using (var sw = new StreamWriter(opfFile.Open())) {
opfData.CopyTo(sw.BaseStream);
}
var ncxData = GetNcxData(book.GetTableOfContent(), book.PackageData.MetaData.Title.Text);
var ncxPath = Path.GetDirectoryName(opfPath).CreatePath(tconcx);
var ncxFile = gz.CreateEntry(ncxPath, CompressionLevel.Optimal);
using (var sw = new StreamWriter(ncxFile.Open())) {
ncxData.CopyTo(sw.BaseStream);
}
// take manifest items and create remaining files
var oepbsPath = Path.GetDirectoryName(opfPath);
XNamespace xmlns = "http://www.w3.org/1999/xhtml";
var xrs = new XmlReaderSettings()
{
DtdProcessing = DtdProcessing.Ignore, IgnoreWhitespace = false
};
foreach (var item in book.GetAllFiles().Where(file => file.Href != tconcx))
{
// for HTML, caller needs to assure that it's XHTML !
using (var fileData = new MemoryStream()) {
fileData.Write(item.Data, 0, item.Data.Length);
fileData.Position = 0;
var filePath = String.Format("{0}/{1}", oepbsPath, item.Href.Replace(" ", "_"));
var itemFile = gz.CreateEntry(filePath, CompressionLevel.Optimal);
using (var sw = new StreamWriter(itemFile.Open())) {
fileData.CopyTo(sw.BaseStream);
}
}
}
}
ms.Position = 0;
return(ms.ToArray());
}
}