void ExpandEntity(StringBuilder sb, char terminator)
{
char ch = _current.ReadChar();
if (ch == '#') {
string charent = _current.ExpandCharEntity();
sb.Append(charent);
ch = _current.ReadChar();
}
else {
_name.Length = 0;
while (ch != Entity.EOF &&
(Char.IsLetter(ch) || ch == '_' || ch == '-')) {
_name.Append(ch);
ch = _current.ReadChar();
}
string name = _name.ToString();
if (_dtd != null && name != "") {
Entity e = (Entity)_dtd.FindEntity(name);
if (e != null) {
if (e.Internal) {
sb.Append(e.Literal);
if (ch != terminator)
ch = _current.ReadChar();
return;
}
else {
Entity ex = new Entity(name, e.PublicId, e.Uri, _current.Proxy);
e.Open(_current, new Uri(e.Uri));
_current = ex;
_current.ReadChar();
return;
}
}
else {
Log("Undefined entity '{0}'", name);
}
}
// Entity is not defined, so just keep it in with the rest of the
// text.
sb.Append("&");
sb.Append(name);
if (ch != terminator) {
sb.Append(ch);
ch = _current.ReadChar();
}
}
}
//-------------------------------- Parser -------------------------
void PushEntity(Uri baseUri, Entity e)
{
e.Open(_current, baseUri);
_current = e;
_current.ReadChar();
}
