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///////////////////////////////////////////////////////////////////////////////
// Name: wx/osx/cocoa/private/date.h
// Purpose: NSDate-related helpers
// Author: Vadim Zeitlin
// Created: 2011-12-19
// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_OSX_COCOA_PRIVATE_DATE_H_
#define _WX_OSX_COCOA_PRIVATE_DATE_H_
#include "wx/datetime.h"
namespace wxOSXImpl
{
// Functions to convert between NSDate and wxDateTime.
// Returns an NSDate corresponding to the given wxDateTime which can be invalid
// (in which case nil is returned).
inline NSDate* NSDateFromWX(const wxDateTime& dt)
{
if ( !dt.IsValid() )
return nil;
// Get the internal representation as a double used by NSDate.
double ticks = dt.GetValue().ToDouble();
// wxDateTime uses milliseconds while NSDate uses (fractional) seconds.
return [NSDate dateWithTimeIntervalSince1970:ticks/1000.];
}
// Returns wxDateTime corresponding to the given NSDate (which may be nil).
inline wxDateTime NSDateToWX(const NSDate* d)
{
if ( !d )
return wxDefaultDateTime;
// Reverse everything done above.
wxLongLong ll;
ll.Assign([d timeIntervalSince1970]*1000);
wxDateTime dt(ll);
return dt;
}
} // namespace wxOSXImpl
#endif // _WX_OSX_COCOA_PRIVATE_DATE_H_
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