private IEnumerable <int> FindBlockTokenID(int tokenID)
{
while (tokenID >= 0)
{
_bookTokens.MoveTo(tokenID);
_bookTokens.MoveNext();
TokenBase current = _bookTokens.Current;
if (current is PictureToken)
{
yield return(tokenID);
}
var asOpenTagToken = current as TagOpenToken;
if ((asOpenTagToken != null) && !asOpenTagToken.TextProperties.Inline)
{
yield return(tokenID);
}
tokenID--;
}
}
public IEnumerable <TokenBlockBase> GetLines(BookTokenIterator bookTokens, string lastText, int firstTokenID,
int stopTokenID = -1, string stopText = null)
{
_firstTokenID = firstTokenID;
_tree = bookTokens.BuildTree(_firstTokenID);
_lastOpenTag = _tree.Peek();
_fontSize = GetCurrentFontSize();
_separator = false;
bool firstText = true;
_marginLeft = _marginRight = 0.0;
foreach (TagOpenToken openTagToken in _tree.Reverse())
{
EnterMargin(openTagToken.TextProperties);
}
if (string.IsNullOrEmpty(stopText) && stopTokenID > 0)
{
--stopTokenID;
}
while (bookTokens.MoveNext())
{
foreach (TokenBlockBase baseTokenLine in OutputLines(false))
{
yield return(baseTokenLine);
}
if (!Append(bookTokens, lastText, stopTokenID, stopText, ref firstText))
{
break;
}
}
foreach (TokenBlockBase baseTokenLine in OutputLines(true))
{
yield return(baseTokenLine);
}
}