Solved

Serialization Problem

Posted on 1999-01-13
2
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Last Modified: 2013-11-20
I have a CObject based class that I'm serializing. Some of my files do not get read back in properly. They generate a bad format error. What appears to be happening is that certain data sets write out 0x0d characters. (I have two test files. One is always fine the other always fails. But the data is fine in both cases. I see no differences.) This is throwing thing off when I load the data back in. I've stepped through the storing process and the data is fine.

Has anyone run into anything similar? I'm at a loss as to what could be causing this. And I'm wondering if there are other things I should be checking that I'm unaware of.

Here's my Serialization function:

void CSenseInformation::Serialize( CArchive& ar)
{
  BOOL tag = FALSE;
  ar.SerializeClass(RUNTIME_CLASS(CSenseInformation));
  CObject::Serialize(ar);

  if (ar.IsStoring()) {

    ar << m_currSense << m_fileSense << m_fileDef;
    ar << m_currSenseNum << m_deriveFlag;
    ar << m_currSenseBase;

  } else {    // loading, not storing

    UINT nSchema = ar.GetObjectSchema();

    switch (nSchema) {
    case 0:
    case 1:
      ar >> m_currSense >> m_fileSense >> m_fileDef;
      ar >> m_currSenseNum >> m_deriveFlag;
      ar >> m_currSenseBase;
      break;
    default:
           AfxThrowArchiveException(CArchiveException::badSchema);
      break;
    } // switch
   }

}
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Question by:winkle
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2 Comments
 
LVL 15

Accepted Solution

by:
Tommy Hui earned 100 total points
ID: 1327654
What are the types of the data members you are trying to serialize? Are any of them strings?

If so, you should use ar.ReadString() and ar.WriteString() to serialize them instead of using << and >>.
0
 

Author Comment

by:winkle
ID: 1327655
Ahhhh, yes 90% of the data are type CString. Thanks!
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