public void ParseContent()
{
IList <PdfObject> args = new List <PdfObject>();
var context = new PsContext(_file, _page);
while (_lexer.NextToken())
{
switch (_lexer.Token)
{
case Token.Ider:
ExecuteCommand(context, _lexer.StringValue, args);
args.Clear();
break;
case Token.StartArray:
var arr = _lexer.ReadArray(null);
args.Add(arr);
break;
default:
args.Add(_lexer.PlainPdfObject());
break;
}
}
}
public IEnumerable <Tuple <Int32, PdfObject> > ReadObjStream()
{
Dictionary <Int32, Int32> _refs = new Dictionary <Int32, Int32>();
Boolean bVal = false;
Int32 nKey = 0;
Int32 _startPos = -1;
while (_lexer.NextToken())
{
switch (_lexer.Token)
{
case Token.Number:
if (bVal)
{
_refs.Add(nKey, _lexer.IntValue);
bVal = false;
}
else
{
bVal = true;
nKey = _lexer.IntValue;
}
break;
case Token.StartDictionary:
case Token.StartArray:
if (_startPos == -1)
{
_startPos = _lexer.Position;
}
Int32 pos = _lexer.Position - _startPos;
PdfObject obj = null;
if (_lexer.Token == Token.StartDictionary)
{
obj = _lexer.ReadDictionary();
}
else if (_lexer.Token == Token.StartArray)
{
obj = _lexer.ReadArray(null);
}
var k = _refs.FirstOrDefault(kv => Math.Abs(kv.Value - pos) < 3);
if (k.Key != 0)
{
_refs.Remove(k.Key);
yield return(Tuple.Create(k.Key, obj));
}
if (_refs.Count == 0)
{
yield break;
}
break;
}
}
}
