public void AddXRef(TokenXRefEntry xref)
{
PdfIndirectObject indirect = new PdfIndirectObject(this, xref);
if (_gens == null)
{
if (_single == null)
{
// Cache the single object
_single = indirect;
return;
}
else
{
// Convert from single entry to using a dictionary
_gens = new Dictionary <int, PdfIndirectObject> {
{ _single.Gen, _single }
};
_single = null;
}
}
if (_gens.ContainsKey(xref.Gen))
{
// PH: ignore this ref and let the document be still loaded
// TODO: should signal any kind of warning to the caller
return;
//throw new ApplicationException($"Indirect object with Id:{xref.Id} Gen:{xref.Gen} already exists.");
}
_gens.Add(indirect.Gen, indirect);
}
public PdfIndirectObject(PdfObject parent, TokenXRefEntry xref)
: base(parent)
{
Id = xref.Id;
Gen = xref.Gen;
Offset = xref.Offset;
}
public void AddXRef(TokenXRefEntry xref)
{
PdfIndirectObject indirect = new PdfIndirectObject(this, xref);
if (_gens == null)
{
if (_single == null)
{
// Cache the single object
_single = indirect;
return;
}
else
{
// Convert from single entry to using a dictionary
_gens = new Dictionary <int, PdfIndirectObject> {
{ _single.Gen, _single }
};
_single = null;
}
}
if (_gens.ContainsKey(xref.Gen))
{
throw new ApplicationException($"Indirect object with Id:{xref.Id} Gen:{xref.Gen} already exists.");
}
_gens.Add(indirect.Gen, indirect);
}
public TokenObject GetXRefEntry(int id)
{
// Ignore zero or more whitespace characters
SkipWhitespace();
if ((_length - _index) < 18)
{
return(new TokenError(_position, $"Cross-reference entry data is {_length - _index} bytes instead of the expected 18."));
}
TokenXRefEntry ret = new TokenXRefEntry(id,
ConvertDecimalToInteger(11, 5),
ConvertDecimalToInteger(0, 10),
(_line[_index + 17] == 110)); // 'n' = used, otherwise free
_index = _length;
return(ret);
}