RecordDtd.cpp

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//-----------------------------------------------------------------------------
// CVS: $Revision: 2866 $, $Date: 2006-09-15 12:04:57 +0100 (Fri, 15 Sep 2006) $, $Author: rsc $
//-----------------------------------------------------------------------------
#include <fstream>
#include <stdexcept>

#include "RecordDtd.h"

using namespace std;
//-----------------------------------------------------------------------------
RecordDtd::RecordDtd(const string& aFileName)
  : vector<BinaryDatum*>(),
    mRecordSize(0)
{
  ifstream dtdFile(aFileName.c_str());
  if (!dtdFile)
  {
    throw runtime_error(string("File not found: ") + aFileName);
  }
  while (dtdFile)
  {
    string dataType;
    dtdFile >> dataType;
    if (dataType ==  "float")
    {
      push_back(new SqlFloat(mRecordSize));
    }
    else if (dataType ==  "real")
    {
      push_back(new SqlReal(mRecordSize));
    }
    else if (dataType ==  "bigint")
    {
      push_back(new SqlBigInt(mRecordSize));
    }
    else if (dataType ==  "int")
    {
      push_back(new SqlInt(mRecordSize));
    }
    else if (dataType ==  "smallint")
    {
      push_back(new SqlSmallInt(mRecordSize));
    }
    else if (dataType ==  "tinyint")
    {
      push_back(new SqlTinyInt(mRecordSize));
    }
    else
    {
      // Reached end of file and don't want to increment record size so break
      break;
    }
    mRecordSize += back()->getNumBits();
  }
  dtdFile.close();
} // RecordDtd
//-----------------------------------------------------------------------------
RecordDtd::~RecordDtd()
{
  while (!empty())
  {
    delete back();
    pop_back();
  }
}
//-----------------------------------------------------------------------------