public void Add (Topic t)
{
Count++;
if (topics == null)
topics = t;
else {
if (!(topics is ArrayList)){
Topic temp = (Topic) topics;
topics = new ArrayList ();
((ArrayList)topics).Add (temp);
}
((ArrayList)topics).Add (t);
}
}
//
// Constructor from a stream
//
public IndexEntry (FileStream fs, BinaryReader reader, int position)
{
Count = reader.ReadInt32 ();
int caption_offset = reader.ReadInt32 ();
string caption;
if (Count == 1){
int url_offset = reader.ReadInt32 ();
fs.Position = caption_offset;
caption = reader.ReadString ();
fs.Position = url_offset;
string url = reader.ReadString ();
topics = new Topic (caption, "", url);
} else {
ArrayList l = new ArrayList (Count);
topics = l;
int [] offsets = new int [Count];
for (int i = 0; i < Count; i++){
offsets [i] = reader.ReadInt32 ();
}
fs.Position = caption_offset;
caption = reader.ReadString ();
for (int i = 0; i < Count; i++){
fs.Position = offsets [i];
string url = reader.ReadString ();
l.Add (new Topic (caption, "", url));
}
}
}
public void Add (string caption, string sort_key, string url)
{
Topic t = new Topic (caption, sort_key, url);
AddTopic (t);
}
public void AddTopic (Topic topic)
{
IndexEntry entry = (IndexEntry) entries [topic.SortKey];
if (entry == null){
entry = new IndexEntry ();
entries [topic.SortKey] = entry;
}
add_string (topic.SortKey);
add_string (topic.Caption);
add_string (topic.Url);
entry.Add (topic);
}
