private string FindImageInXml(string path)
{
XDocument coverFile = _zip.GetFileStream(_oebps + path).GetXmlDocument();
XElement coverRoot = coverFile.Root;
if (coverRoot == null)
{
return(null);
}
XElement image = coverRoot.DescendantNodes().OfType <XElement>().FirstOrDefault(n => n.Name.LocalName == "image");
if (image != null)
{
XAttribute href = image.Attributes().FirstOrDefault(a => a.Name.LocalName == "href");
if (href != null)
{
return(href.Value);
}
}
XElement img = coverRoot.DescendantNodes().OfType <XElement>().FirstOrDefault(n => n.Name.LocalName == "img");
if (img != null)
{
XAttribute src = img.Attributes().FirstOrDefault(a => a.Name.LocalName == "src");
if (src != null)
{
return(src.Value);
}
}
return(null);
}
public override void BuildChapters()
{
Chapters.Clear();
string ncxPath = GetNcxPath();
if (!string.IsNullOrEmpty(ncxPath))
{
string path = _opfPath + ncxPath;
XDocument xmlDocument = _zip.GetFileStream((_opfPath) + ncxPath, true, true).GetXmlDocument(true);
XNamespace ns = XNamespace.Get("http://www.daisy.org/z3986/2005/ncx/");
XElement root = xmlDocument.Root;
if (root != null)
{
XElement navMap = root.Element(ns + "navMap");
ParseItems(navMap, 0, ns, path);
}
}
}
private IEnumerable <EpubSpineItem> GetSpineItems()
{
XElement manifest = _opfRoot.Element((_opfns + "manifest"));
return(from itemId in GetItemIDs()
select GetPath(itemId, manifest) into path
where !string.IsNullOrEmpty(path)
let spineStream = _zip.GetFileStream(_opfPath + path, false, true)
where spineStream != null
select new EpubSpineItem
{
Stream = spineStream,
Path = path
});
}
public EpubSummaryParser(Stream source)
{
_zip = ZipContainer.Unzip(source);
XDocument xmlDocument = _zip.GetFileStream("META-INF/container.xml").GetXmlDocument();
XElement root = xmlDocument.Root;
if (root == null)
{
throw new DataException(InvalidEpubMetaInfo);
}
XAttribute attribute = root.Attribute("xmlns");
XNamespace xmlns = (attribute != null) ? XNamespace.Get(attribute.Value) : XNamespace.None;
XAttribute fullPath = xmlDocument.Descendants(xmlns + "rootfile").First().Attribute("full-path");
if (fullPath == null)
{
throw new DataException(InvalidEpubMetaInfo);
}
string path = fullPath.Value;
_opfPath = path;
_opf = _zip.GetFileStream(path).GetXmlDocument();
_opfRoot = _opf.Root;
if (_opfRoot == null)
{
throw new DataException(InvalidEpubMetaInfo);
}
_oebps = GetPath(path);
_opfns = XNamespace.Get("http://www.idpf.org/2007/opf");
_opfdc = XNamespace.Get("http://purl.org/dc/elements/1.1/");
_coverHelper = new EpubCoverHelper(_zip, _opfns, _opfRoot, _oebps);
}