internal Dictionary <int, PdfFileObject> LoadObjects(Stream s)
{
s.Seek(0, SeekOrigin.Begin);
Dictionary <int, PdfFileObject> objects = new Dictionary <int, PdfFileObject>();
int c = 0, objIDCandidate = 0, streamLengthCandidate = -1;
long streamPositionCandidate = -2;
long addressCandidate = -1, step = 0, position = 0;
ObjectAddress oa = null;
while ((c = s.ReadByte()) != -1)
{
switch (step)
{
case 0:
if (oa != null)
{
if (c == ' ' || c == '\r' || c == '\n')
{
oa.Length++;
}
else
{
PdfFileObject pfo = oa.CreateFileObject(this);
if (pfo.OriginalObjectAbsolutePosition == this.startxref)
{
this.trailer = pfo;
}
objects[oa.ObjID] = pfo;
this.inputStream.Seek(position + 1, SeekOrigin.Begin);
oa = null;
streamPositionCandidate = -2;
streamLengthCandidate = -1;
}
}
if (c > 48 && c < 58)
{
addressCandidate = position;
objIDCandidate = c - 48;
step = 1;
}
break;
case 1:
if (c > 47 && c < 58)
{
objIDCandidate = objIDCandidate * 10 + c - 48;
}
else
{
step = (c == ' ') ? 2 : 0;
}
break;
case 2:
step = (c == '0') ? 3 : 0;
break;
case 3:
step = (c == ' ') ? 4 : 0;
break;
case 4:
step = (c == 'o') ? 5 : 0;
break;
case 5:
step = (c == 'b') ? 6 : 0;
break;
case 6:
if (c == 'j')
{
step = 7;
}
else
{
step = 0;
}
break;
case 7:
if (objIDCandidate != lastObjID)
{
lastObjID = objIDCandidate;
}
if (objIDCandidate == 8)
{
if (c == '>')
{
}
}
if (c == 'e')
{
// possible beginning of stream
step = 29;
}
if (c == 's')
{
step = 9;
break;
}
break;
case 8:
if (c == 's')
{
step++;
break;
}
if (c == 'e')
{
step = 29;
break;
}
if (c == '\r' || c == '\n' || c == ' ')
{
break;
}
step = 7;
break;
case 9:
step = (c == 't') ? 10 : 7;
break;
case 10:
step = (c == 'r') ? 11 : 7;
break;
case 11:
step = (c == 'e') ? 12 : 7;
break;
case 12:
step = (c == 'a') ? 13 : 7;
break;
case 13:
step = (c == 'm') ? 14 : 7;
break;
case 14:
step = (c == '\r' || c == '\n' || c == ' ') ? 15 : 7;
break;
case 15:
if (c == '\r' || c == '\n' || c == ' ')
{
}
else
{
step++;
streamPositionCandidate = position;
}
break;
case 16:
if (c == 'e')
{
step++;
break;
}
streamLengthCandidate = (int)(position - streamPositionCandidate + 1);
break;
case 17:
step = (c == 'n') ? 18 : 16;
break;
case 18:
step = (c == 'd') ? 19 : 16;
break;
case 19:
if (c == 'o')
{
step = 32;
break;
}
if (c == 's')
{
step = 20;
break;
}
step = 16;
break;
case 20:
step = (c == 't') ? 21 : 16;
break;
case 21:
step = (c == 'r') ? 22 : 16;
break;
case 22:
step = (c == 'e') ? 23 : 16;
break;
case 23:
step = (c == 'a') ? 24 : 16;
break;
case 24:
step = (c == 'm') ? 25 : 16;
break;
case 25:
step = (c == '\r' || c == '\n' || c == ' ') ? 28 : 16;
break;
case 28:
step = (c == 'e') ? 29 : 7;
break;
case 29:
step = (c == 'n') ? 30 : 7;
break;
case 30:
step = (c == 'd') ? 31 : 7;
break;
case 31:
step = (c == 'o') ? 32 : 7;
break;
case 32:
step = (c == 'b') ? 33 : 7;
break;
case 33:
if (c == 'j')
{
step = 0;
if (objIDCandidate == 140)
{
}
oa = new ObjectAddress(objIDCandidate, addressCandidate
, (int)(position - addressCandidate + 1), streamPositionCandidate, streamLengthCandidate);
}
else
{
step = 7;
}
break;
}
position++;
}
List <PdfFileObject> ObjStms = new List <PdfFileObject>();
foreach (PdfFileObject pfo in objects.Values)
{
if (pfo.Type == PdfObjectTypes.ObjStm)
{
ObjStms.Add(pfo);
}
}
foreach (PdfFileObject ObjStm in ObjStms)
{
foreach (PdfFileObject pfo2 in ObjStm.GetStreamObjects())
{
objects[pfo2.ObjID] = pfo2;
}
}
return(objects);
}
internal Dictionary<int, PdfFileObject> LoadObjects(Stream s)
{
s.Seek(0, SeekOrigin.Begin);
Dictionary<int, PdfFileObject> objects = new Dictionary<int, PdfFileObject>();
int c = 0, objIDCandidate = 0, streamLengthCandidate = -1;
long streamPositionCandidate = -2;
long addressCandidate = -1, step = 0, position = 0;
ObjectAddress oa = null;
while ((c = s.ReadByte()) != -1)
{
switch (step)
{
case 0:
if (oa != null)
{
if (c == ' ' || c == '\r' || c == '\n')
{
oa.Length++;
}
else
{
PdfFileObject pfo = oa.CreateFileObject(this);
if (pfo.OriginalObjectAbsolutePosition == this.startxref)
{
this.trailer = pfo;
}
objects[oa.ObjID] = pfo;
this.inputStream.Seek(position+1, SeekOrigin.Begin);
oa = null;
streamPositionCandidate = -2;
streamLengthCandidate = -1;
}
}
if (c > 48 && c < 58)
{
addressCandidate = position;
objIDCandidate = c - 48;
step = 1;
}
break;
case 1:
if (c > 47 && c < 58)
{
objIDCandidate = objIDCandidate * 10 + c - 48;
}
else
{
step = (c == ' ') ? 2 : 0;
}
break;
case 2:
step = (c == '0') ? 3 : 0;
break;
case 3:
step = (c == ' ') ? 4 : 0;
break;
case 4:
step = (c == 'o') ? 5 : 0;
break;
case 5:
step = (c == 'b') ? 6 : 0;
break;
case 6:
if (c == 'j')
{
step = 7;
}
else
{
step = 0;
}
break;
case 7:
if (objIDCandidate !=lastObjID)
{
lastObjID = objIDCandidate;
}
if (objIDCandidate == 8)
{
if (c == '>')
{
}
}
if (c == 'e')
{
// possible beginning of stream
step = 29;
}
if (c == 's')
{
step = 9;
break;
}
break;
case 8:
if (c == 's')
{
step++;
break;
}
if (c == 'e')
{
step = 29;
break;
}
if (c == '\r' || c == '\n' || c == ' ')
{
break;
}
step = 7;
break;
case 9:
step = (c == 't') ? 10 : 7;
break;
case 10:
step = (c == 'r') ? 11 : 7;
break;
case 11:
step = (c == 'e') ? 12 : 7;
break;
case 12:
step = (c == 'a') ? 13 : 7;
break;
case 13:
step = (c == 'm') ? 14 : 7;
break;
case 14:
step = (c == '\r' || c == '\n' || c == ' ') ? 15 : 7;
break;
case 15:
if (c == '\r' ||c == '\n' || c == ' ')
{
}
else
{
step++;
streamPositionCandidate = position;
}
break;
case 16:
if (c == 'e')
{
step++;
break;
}
streamLengthCandidate = (int)(position - streamPositionCandidate + 1);
break;
case 17:
step = (c == 'n') ? 18 : 16;
break;
case 18:
step = (c == 'd') ? 19 : 16;
break;
case 19:
if (c == 'o')
{
step = 32;
break;
}
if (c == 's')
{
step = 20;
break;
}
step = 16;
break;
case 20:
step = (c == 't') ? 21 : 16;
break;
case 21:
step = (c == 'r') ? 22 : 16;
break;
case 22:
step = (c == 'e') ? 23 : 16;
break;
case 23:
step = (c == 'a') ? 24 : 16;
break;
case 24:
step = (c == 'm') ? 25 : 16;
break;
case 25:
step = (c == '\r' || c == '\n' || c == ' ') ? 28 : 16;
break;
case 28:
step = (c == 'e') ? 29 : 7;
break;
case 29:
step = (c == 'n') ? 30 : 7;
break;
case 30:
step = (c == 'd') ? 31 : 7;
break;
case 31:
step = (c == 'o') ? 32 : 7;
break;
case 32:
step = (c == 'b') ? 33 : 7;
break;
case 33:
if (c == 'j')
{
step = 0;
if (objIDCandidate == 140)
{
}
oa = new ObjectAddress(objIDCandidate, addressCandidate
,(int)( position - addressCandidate+1),streamPositionCandidate,streamLengthCandidate);
}
else
{
step = 7;
}
break;
}
position++;
}
List<PdfFileObject> ObjStms = new List<PdfFileObject>();
foreach (PdfFileObject pfo in objects.Values)
{
if (pfo.Type == PdfObjectTypes.ObjStm)
{
ObjStms.Add(pfo);
}
}
foreach (PdfFileObject ObjStm in ObjStms)
{
foreach (PdfFileObject pfo2 in ObjStm.GetStreamObjects())
{
objects[pfo2.ObjID] = pfo2;
}
}
return objects;
}
