# This is a date_filter plug-in.
# START and END are the beginning and end of the quarter specified by date.
quarter = {
   label = "Quarter"
   usage = "qN/yyyy"
   regular_expression = "^([Qq]|[Qq][Uu][Aa][Rr][Tt][Ee][Rr])[^-,0-9A-Za-z]?([1-4])[^-,0-9A-Za-z]([0-9]+)$"
   rewrite = `

int quarter = $2;
int year = convert_year($3);

# Remember what unit we're using
remember_date_unit('quarter');

# Remember the decomposition
set_decomposition_year(year);
set_decomposition_quarter(quarter);

# Get the starting month for the quarter
string startmonth = @'templates.util.date_filter.quarters_to_months'{quarter}{'start'};
  
# Get the ending month for the quarter
string endmonth = @'templates.util.date_filter.quarters_to_months'{quarter}{'end'};

startmonth . '/' . year . '-' . endmonth . '/' . year;

`

}