public Item(EpubFile belongTo, EpubFileEntry entry, string id, string mediaType, string properties)
{
this.belongTo = belongTo;
this.id = id;
this.mediaType = mediaType;
this.properties = properties;
string dir = Path.GetDirectoryName(belongTo.packageFile.fullName);
href = Path.GetRelativePath(dir, entry.fullName).Replace('\\', '/');
}
public T GetFile <T>(string fullName) where T : EpubFileEntry
{
EpubFileEntry r = null;
foreach (var i in entries)
{
if (i.fullName == fullName)
{
r = i;
}
}
if (r == null || r.GetType() != typeof(T))
{
return(null);
}
return((T)r);
}
public EpubFile(string path)
{
this.path = path;
filename = Path.GetFileNameWithoutExtension(path);
entries = new List <EpubFileEntry>();
using (FileStream zipToOpen = new FileStream(path, FileMode.Open))
{
using (ZipArchive archive = new ZipArchive(zipToOpen, ZipArchiveMode.Read))
{
foreach (var entry in archive.Entries)
{
string ext = Path.GetExtension(entry.Name).ToLower();
if (entry.FullName == "mimetype")
{
using (var stm = entry.Open())
using (StreamReader r = new StreamReader(stm))
{
string s = Util.Trim(r.ReadToEnd());
if (s != "application/epub+zip")
{
throw new EpubErrorException("The mimetype of epub should be 'application/epub+zip'. Current:" + s);
}
var i = new EpubMIMETypeEntry();
entries.Insert(0, i);
}
}
else
{
switch (ext)
{
case ".xhtml":
case ".html":
case ".xml":
case ".css":
case ".opf":
case ".ncx":
case ".svg":
case ".js":
using (var stm = entry.Open())
using (StreamReader r = new StreamReader(stm))
{
string s = r.ReadToEnd();
var i = new TextEpubFileEntry(entry.FullName, s);
entries.Add(i);
}
break;
default:
using (var stm = entry.Open())
{
byte[] d = new byte[entry.Length];
if (entry.Length < int.MaxValue)
{
stm.Read(d, 0, (int)entry.Length);
var i = new EpubFileEntry(entry.FullName, d);
entries.Add(i);
}
else
{
throw new EpubErrorException("File size exceeds the limit.");
}
}
break;
}
}
}
}
}
if (entries.Count == 0)
{
throw new EpubErrorException("Cannot find files in epub");
}
if (entries[0].GetType() != typeof(EpubMIMETypeEntry))
{
throw new EpubErrorException("Cannot find mimetype in epub");
}
}