public EPubFile(Stream s)
{
try
{
zip = new ZipFile(s);
string mpath = getRootFromContainer
(GetContent("META-INF/container.xml"));
OPFParser.ParseStream(GetContent(mpath), mpath,
out Manifest, out Spine);
if (Spine.TocId == null)
{
Toc = new TableOfContents();
}
else
{
string tocPath = Manifest.GetById(Spine.TocId).Linkref;
Toc = NCXParser.ParseStream(GetContent(tocPath), tocPath);
}
stream = s;
}
catch (Exception ex)
{
s.Dispose();
throw ex;
}
}
public static TableOfContents ParseStream(Stream s, string rel)
{
TableOfContents toc = new TableOfContents();
var parser = new NCXParser(toc, rel);
parser.Parse(s);
return toc;
}
public static TableOfContents Scan(Stream s)
{
var result = new TableOfContents();
var levelPath = new Stack<int>();
int ent = -1;
using (XmlTextReader r = new XmlTextReader(s))
{
r.XmlResolver = null;
while (r.Read())
if (r.NodeType == XmlNodeType.Element)
{
if ((r.Name.Length == 2) &&
(char.ToLower(r.Name[0]) == 'h') &&
char.IsDigit(r.Name[1]))
{
int level = r.Name[1] - '0';
string id = r.GetAttribute("id");
string text = r.ReadElementContentAsString();
if ((id != null) && (text != null))
{
while ((levelPath.Count > 0) &&
(levelPath.Peek() >= level))
{
levelPath.Pop();
ent = result.Parent(ent);
}
levelPath.Push(level);
ent = result.AddEntry(ent);
result.SetName(ent, text);
result.SetLinkref(ent, id);
}
}
else if (r.Name.ToLower() == "title")
{
result.Title = r.ReadElementContentAsString();
}
}
}
return result;
}
public NCXParser(TableOfContents t, string rel)
{
toc = t;
relPath = rel;
}
static void PrintEntry(TableOfContents toc,
IDocumentConsumer doc,
int ent, int depth, int depthLimit)
{
if ((depthLimit >= 0) && (depth > depthLimit))
return;
doc.PushBlock(new Block() {
Indent = depth
});
doc.PushFragment(new Fragment() {
Attr = Fragment.Attributes.Heading,
Text = toc.GetName(ent),
Linkref = toc.GetLinkref(ent)
});
for (int i = toc.FirstChild(ent); i >= 0; i = toc.NextSibling(i))
PrintEntry(toc, doc, i, depth + 1, depthLimit);
}
public static void PrintToc(TableOfContents toc,
IDocumentConsumer doc,
int depthLimit = -1)
{
doc.PushBlock(new Block());
doc.PushFragment(new Fragment() {
Attr = Fragment.Attributes.Heading,
Text = toc.Title
});
for (int i = toc.FirstRoot(); i >= 0; i = toc.NextSibling(i))
PrintEntry(toc, doc, i, 0, depthLimit);
doc.Close();
}
public SectionIndex(AnchorIndex anchor, TableOfContents toc)
{
for (int i = 0; i < toc.Count; i++)
{
int word = anchor.FindAnchor(toc.GetLinkref(i));
if (word >= 0)
items.Add(new Item(toc.GetName(i), word));
}
items.Sort(cmpWord);
}