# This is a date_filter plug-in.
# START and END are the beginning and end of the hour, or minute, or second, specified by date/time.
second = {
   label = "second"
   usage = "dd/mmm/yyyy hh:mm:ss"
   regular_expression = "^([0-9]+)[^-,0-9A-Za-z]?([A-Za-z]+)[^-,0-9A-Za-z]?([0-9]+)[^-,0-9A-Za-z]([0-9][0-9])[^-,0-9A-Za-z]?([0-9][0-9])[^-,0-9A-Za-z]?([0-9][0-9])$"

   start = `
string day = $1;
string month = $2;
string year = $3;
string hour = $4;
string minute = $5;
string second = $6;

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

# Remember the decomposition
set_decomposition_year(year);
set_decomposition_month(month);
set_decomposition_day(day);
set_decomposition_hour(hour);
set_decomposition_minute(minute);
set_decomposition_second(second);

# Convert month to proper case
month = uppercase(substr(month, 0, 1)) . substr(month, 1);

# Add leading 0 to one-digit dates
if (matches_regular_expression(day, "^[0-9]$")) then
  day = '0' . day;

# Add leading 0 to one-digit hours
if (matches_regular_expression(hour, "^[0-9]$")) then
  hour = '0' . hour;

# Build the first second of this hour
day . "/" . month . "/" . year . ' ' . hour . ':' . minute . ':' . second;
`

   end = start

}