tools/source/datetime/datetimeutils.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <tools/datetimeutils.hxx>
  11 #include <rtl/strbuf.hxx>
  12
  13
  14 /// Append the number as 2-digit when less than 10.
  15 static void lcl_AppendTwoDigits( OStringBuffer &rBuffer, sal_Int32 nNum )
  16 {
  17     if ( nNum < 0 || nNum > 99 )
  18     {
  19         rBuffer.append( "00" );
  20         return;
  21     }
  22
  23     if ( nNum < 10 )
  24         rBuffer.append( '0' );
  25
  26     rBuffer.append( nNum );
  27 }
  28
  29 OString DateTimeToOString( const DateTime& rDateTime )
  30 {
  31     const DateTime& aInUTC( rDateTime );
  32 // HACK: this is correct according to the spec, but MSOffice believes everybody lives
  33 // in UTC+0 when reading it back
  34 //    aInUTC.ConvertToUTC();
  35
  36     OStringBuffer aBuffer( 25 );
  37     aBuffer.append( sal_Int32( aInUTC.GetYear() ) );
  38     aBuffer.append( '-' );
  39
  40     lcl_AppendTwoDigits( aBuffer, aInUTC.GetMonth() );
  41     aBuffer.append( '-' );
  42
  43     lcl_AppendTwoDigits( aBuffer, aInUTC.GetDay() );
  44     aBuffer.append( 'T' );
  45
  46     lcl_AppendTwoDigits( aBuffer, aInUTC.GetHour() );
  47     aBuffer.append( ':' );
  48
  49     lcl_AppendTwoDigits( aBuffer, aInUTC.GetMin() );
  50     aBuffer.append( ':' );
  51
  52     lcl_AppendTwoDigits( aBuffer, aInUTC.GetSec() );
  53     aBuffer.append( 'Z' ); // we are in UTC
  54
  55     return aBuffer.makeStringAndClear();
  56 }
  57
  58 OString DateToOString( const Date& rDate )
  59 {
  60     tools::Time aTime( tools::Time::EMPTY );
  61     return DateTimeToOString( DateTime( rDate, aTime ) );
  62 }
  63
  64 OString DateToDDMMYYYYOString( const Date& rDate )
  65 {
  66     OStringBuffer aBuffer( 25 );
  67     lcl_AppendTwoDigits( aBuffer, rDate.GetDay() );
  68     aBuffer.append( '/' );
  69
  70     lcl_AppendTwoDigits( aBuffer, rDate.GetMonth() );
  71     aBuffer.append( '/' );
  72
  73     aBuffer.append( sal_Int32( rDate.GetYear() ) );
  74
  75     return aBuffer.makeStringAndClear();
  76 }
  77
  78 std::ostream& operator<<(std::ostream& os, const Date& rDate)
  79 {
  80     os << rDate.GetYear() << "-" << rDate.GetMonth() << "-" << rDate.GetDay();
  81     return os;
  82 }