record_factory.cpp

#include <qpro/common.h>
 
#include <iostream>
 
#include <qpro/record_factory.h>
 
#define NEWFUNC(x) static QpRec* NEW_##x (TQP_INT16 pLen, QpIStream& pIn) { return new x (pLen, pIn); }
 
NEWFUNC(QpRecBof)
NEWFUNC(QpRecBop)
NEWFUNC(QpRecEof)
NEWFUNC(QpRecEmptyCell)
NEWFUNC(QpRecFloatingPointCell)
NEWFUNC(QpRecFormulaCell)
NEWFUNC(QpRecIntegerCell)
NEWFUNC(QpRecLabelCell)
NEWFUNC(QpRecPageName)
NEWFUNC(QpRecPassword)
NEWFUNC(QpRecRecalcMode)
NEWFUNC(QpRecRecalcOrder)
 
struct Record
{
   TQP_INT16  Type;
   TQP_INT16  Len;
   QpRec* (*Func)(TQP_INT16, QpIStream&);
};
 
 
// The functions in the Record table below (NEW_QpRecBof etc.)
// come from the NEWFUNC #define above
 
static Record gRecord[] =
{
   {QpBof,                2,  NEW_QpRecBof},
   {QpEof,                0,  NEW_QpRecEof},
   {QpRecalcMode,         1,  NEW_QpRecRecalcMode},
   {QpRecalcOrder,        1,  NEW_QpRecRecalcOrder},
   {QpEmptyCell,          6,  NEW_QpRecEmptyCell},
   {QpIntegerCell,        8,  NEW_QpRecIntegerCell},
   {QpFloatingPointCell, 14,  NEW_QpRecFloatingPointCell},
   {QpLabelCell,          0,  NEW_QpRecLabelCell},
   {QpFormulaCell,        0,  NEW_QpRecFormulaCell},
   {QpBop,                0,  NEW_QpRecBop},
   {QpPageName,           0,  NEW_QpRecPageName},
   {QpPassword,           0,  NEW_QpRecPassword},
   {0,                    0,  0}
};
 
QpRecFactory::QpRecFactory(QpIStream& pIn)
   : cIn(pIn)
{
}
 
QpRecFactory::~QpRecFactory()
{
}
 
QpRec*
QpRecFactory::nextRecord()
{
   TQP_INT16  lType;
   TQP_INT16  lLen;
   QpRec* lResult=0;
 
   cIn >> lType >> lLen;
 
   for( Record* lRecord=gRecord; lResult == 0 ; ++lRecord )
   {
      if( lRecord->Func == 0 )
      {
         lResult = new QpRecUnknown( lType, lLen, cIn );
      }
      else
      if( lRecord->Type == lType )
      {
         // ??? check length
         lResult = lRecord->Func(lLen, cIn);
      }
   }
 
   return lResult;
}