CUnitDate.hpp

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/*
 * Qt Virtual Chart Table (QVCT)
 * Copyright (C) 2012 Cedric Dufour <http://cedric.dufour.name>
 * Author: Cedric Dufour <http://cedric.dufour.name>
 *
 * The Qt Virtual Chart Table (QVCT) is free software:
 * you can redistribute it and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation, Version 3.
 *
 * The Qt Virtual Chart Table (QVCT) is distributed in the hope
 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * See the GNU General Public License for more details.
 */
 
#ifndef QVCT_CUNITDATE_HPP
#define QVCT_CUNITDATE_HPP
 
// QT
#include <QMap>
#include <QString>
 
// QVCT
#include "units/CUnitTimeZone.hpp"
class CUnitDateSymbols; // see below
class CUnitDateCodes; // see below
 
 
 
class CUnitDate
{
 
  //------------------------------------------------------------------------------
  // CONSTANTS / STATIC
  //------------------------------------------------------------------------------
 
public:
  enum EUnit {
    YMD,      
    DMY,      
    MDY,      
    UNDEFINED 
  };
 
private:
  static const CUnitDateSymbols oUnitDateSymbols;
  static const CUnitDateCodes oUnitDateCodes;
 
public:
  static const QMap<EUnit,QString> &symbols();
  static QString toSymbol( EUnit _eUnit );
  static EUnit fromSymbol( const QString& _rqsSymbol );
  static const QMap<EUnit,QString> &codes();
  static QString toCode( EUnit _eUnit );
  static EUnit fromCode( const QString& _rqsCode );
  static QString toString( double _fdValue, CUnitTimeZone::EUnit _eUnitTimeZone, EUnit _eUnit );
  static QString toString( double _fdValue, bool _bAlternateTimeZone = false );
 
  static double fromString( const QString& _rqString, CUnitTimeZone::EUnit _eUnitTimeZone, bool* _pbOK = 0 );
  static double fromString( const QString& _rqString, bool* _pbOK = 0 );
 
};
 
class CUnitDateSymbols
{
  friend class CUnitDate;
 
  //------------------------------------------------------------------------------
  // CONSTRUCTORS / DESTRUCTOR
  //------------------------------------------------------------------------------
 
private:
  CUnitDateSymbols()
  {
    qMapSymbols.insert( CUnitDate::YMD, "yyyy-mm-dd" );
    qMapSymbols.insert( CUnitDate::DMY, "dd.mm.yyyy" );
    qMapSymbols.insert( CUnitDate::MDY, "mm,dd,yyyy" );
  };
  QMap<CUnitDate::EUnit,QString> qMapSymbols;
};
 
class CUnitDateCodes
{
  friend class CUnitDate;
 
  //------------------------------------------------------------------------------
  // CONSTRUCTORS / DESTRUCTOR
  //------------------------------------------------------------------------------
 
private:
  CUnitDateCodes()
  {
    qMapCodes.insert( CUnitDate::YMD, "ymd" );
    qMapCodes.insert( CUnitDate::DMY, "dmy" );
    qMapCodes.insert( CUnitDate::MDY, "mdy" );
  };
  QMap<CUnitDate::EUnit,QString> qMapCodes;
};
 
#endif // QVCT_CUNITDATE_HPP