SqlValueBinder.h++

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#ifndef __libquark_util_SqlValueBinder_hxx
#define __libquark_util_SqlValueBinder_hxx

#include <QSqlQuery>
#include <QVariant>

namespace quark {
namespace util {

class LIBQUARK_API SqlValueBinder
{
  public:

  SqlValueBinder(QSqlQuery &query)
    : _query(query)
    , _index(0)
  { }

  ~SqlValueBinder()
  { }

  template<typename T> SqlValueBinder& operator<<(const T &value)
  {
    _query.bindValue(_index, value);
    ++_index;
    return(*this);
  }

  template<typename T> SqlValueBinder& operator>>(T &value)
  {
    QVariant variant = _query.value(_index);
    value = variant.value<T>();
    ++_index;
    return(*this);
  }

  void reset()
  { _index = 0; }

  private:

  QSqlQuery &_query;
  int _index;
};

} // namespace util
} // namespace quark

#endif // __libquark_util_SqlValueBinder_hxx