# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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 Library General Public License for more details.
#
# You should have received a copy of the GNU Library General 
# Public License along with this library; if not, write to the 
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
# MA  02111-1307  USA

# Copyrights (C)
# for this R-port: 
#   1999 - Diethelm Wuertz, GPL
#   2007 - Rmetrics Foundation, GPL
#   Diethelm Wuertz <wuertz@phys.ethz.ch>
#   www.rmetrics.org
# for the code accessed (or partly included) from other R-ports:
#   see R's copyright and license files
# for the code accessed (or partly included) from contributed R-ports
# and other sources
#   see Rmetrics's copyright file


################################################################################
# FUNCTION:                 DESCRIPTION:
#  holidayZURICH             Returns holidays for ZURICH calendar
################################################################################
     
    
holidayZURICH = 
function(year = currentYear) 
{   # A function implemented by Diethelm Wuertz

    # Description:
    #   Returns a holiday Calendar for Zurich in Switzerland

    # Details:
    #   Inspect the holiday database in "data/holiday.db.R"
    #   ... You can add there additional holidays!
    #       NewYearsDay         Jan, 1st
    #       GoodFriday          2 days before Easter
    #       EasterMonday        1 day after Easter
    #       LaborDay            May, 1st  
    #       PentecostMonday     50 days after Easter
    #       ChristmasDay        Dec, 25 
    #       BoxingDay           Dec, 26  
    #       CHBerchtoldsDay     Jan, 2nd
    #       CHSechselaeuten     3rd Monday in April 
    #                           1 week later if it coincides with Easter Monday
    #       CHAscension         39 days after Easter
    #       CHConfederationDay  Aug, 1st
    #       CHKnabenschiessen   2nd Saturday to Monday in Sep
    
    # Example:
    #   holidayTSX(2008)
    #   holidayTSX(2008)
    #   holidayTSX(2006:2008)

    # FUNCTION:
    
    # Iterate Years: 
    holidays = c(
        NewYearsDay(year),
        GoodFriday(year),   
        EasterMonday(year), 
        LaborDay(year),
        PentecostMonday(year),  
        ChristmasDay(year),
        BoxingDay(year),
        CHBerchtoldsDay(year),
        CHSechselaeuten(year),
        CHAscension(year),
        CHConfederationDay(year),
        CHKnabenschiessen(year) )
    
    # Sort and Remove Weekends: 
    holidays = sort(holidays)
    holidays = holidays[isWeekday(holidays)]

    # Add Financial Center:
    holidays@FinCenter = "Zurich"

    # Return Value:
    holidays 
}


################################################################################