DataDumper.h

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//-----------------------------------------------------------------------------
// CVS: $Revision: 4785 $, $Date: 2008-05-20 14:19:36 +0100 (Tue, 20 May 2008) $, $Author: RossCollins $
//-----------------------------------------------------------------------------
#ifndef DATADUMPER_H
#define DATADUMPER_H

#include <iostream>
#include <list>
#include <map>
#include <string>

#include "DataTypes.h"
#include "TableData.hxx"
#include "TableInfo.h"
//-----------------------------------------------------------------------------
class DataDumper
{
public:
  DataDumper(const TableInfo& aInfo);

  DataDumper(const TableInfo& aInfo, StringMap& aConstraints);

  ~DataDumper();

  void dumpAsBinary(TableData<Numeric>& aData,
                     const std::string& aFileName);

  template <typename DataType>
  void dumpAsCsv(TableData<DataType>& aData,
                        std::ostream& aOut);

  template <typename DataType>
  void addDefaultRow(TableData<DataType>& aData, FitsFile& fcat);

  bool isDetection(std::string name);
 
private:
  class iosave
  {
  public:
    iosave(std::ios& aStream) : mStreamPtr(&aStream),
                                mFlagsCopy(aStream.flags()),
                                mFillCopy(aStream.fill()),
                                mPrecisionCopy(aStream.precision()) { }

    ~iosave()
    {
      mStreamPtr->flags(mFlagsCopy);
      mStreamPtr->fill(mFillCopy);
      mStreamPtr->precision(mPrecisionCopy);
    }

  private:
    std::ios* mStreamPtr;
    std::ios::fmtflags mFlagsCopy;
    char mFillCopy;
    int mPrecisionCopy;

    // Prevent copying
    iosave(iosave const& aCopy);
    iosave& operator=(iosave const& aCopy);
  };

  TableInfo mInfo;
  std::list<int> mColConstList;
  std::map<std::string, int> mKeyCount;

  template <typename DataType>
  bool isUnique(TableData<DataType>& aData, unsigned aRow);

  void formatOut(Numeric value,
                 const std::string& format,
                 std::ostream& os) const;

  void formatOut(Metadata value,
                 const std::string& format,
                 std::ostream& os) const;
};
//-----------------------------------------------------------------------------
#include "DataDumper.hxx"
//-----------------------------------------------------------------------------
#endif
//-----------------------------------------------------------------------------
// Change log:
//
// 11-Mar-2004,  IAB: Original version
// 10-Mar-2005, ETWS: added class 'iosave' and fixed int output in numeric
//                    formatOut
//  7-Aug-2005, ETWS: Changed output from filestream to stringstream
// 22-Feb-2006,  RSC: added function dumpAsBinary() for exnumeric
// 14-Mar-2006,  RSC: Moved DataDumper class from OutputData.hxx to here
//  7-Apr-2008, ETWS: Upgraded to use new detection table layout.

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