[ruby-list:7110] Re: calendar-html.rb (Re: call for scripts)

原です。

たびたびすいません。また少し変えました。
ところで正しい春分秋分の求め方ってどういう式でしょうか？

-----^ calendar.rb
#!/usr/local/bin/ruby
DATA = "1,1 15 11,2 21,3 29,4 3,5 4 5 20,7 15,9 23 10,10 3,11 23 23,12"
def calendar_html(arg = [], data = DATA)
  t = Time.now
  e = (VERSION >= "1.1") && 0 || 1
  year = if arg[0]
	   arg[0].to_i
	 else
	   t.year+1900*e
	 end
  month = if arg[1]
	    arg[1].to_i
	  else
	    t.mon + e
	  end
  day = arg[2] && arg[2].to_i || t.mday
  
  holiday = {}
  m = y = nil
  data.split(/\s+/).each { |line|
    d, m0 = line.split(/,/)
    m = m0 || m
    holiday[[m.to_i,d.to_i]] = TRUE
  }
  s = ""
  s << "<H3>#{year}.#{month}.#{day}</H3>\n"
  s << "<TABLE>\n<TR><TH>"
  s << 'Sun,Mon,Tue,Wed,Thu,Fri,Sat'.gsub(',', '</TH><TH>')
  s << "</TH></TR>\n"
  
  this_mon = Time.local(year, month-e, 1)
  len = (Time.local(year+month/12, month%12+1-e, 1) - this_mon) / 86400
  start = this_mon.wday
  i = 1 - start
  while i <= len
    week = (i + start - 1) % 7
    date = if i > 0
	     if i == day
	       "<STRONG><BLINK>#{i}</BLINK></STRONG>"
	     else
	       i
	     end
	   else
	     ''
	   end
    color = if week == 0 || holiday[[month,i]] ||
		week == 1 && holiday[[month,i-1]]
	      "#FF0000"
	    else
	      if week == 6
		"#0000FF"
	      else
		"#000000"
	      end
	    end
    s << "<TR ALIGN=\"CENTER\">\n" if week == 0
    s << "<TD><FONT COLOR=#{color}>#{date}</FONT></TD>\n"
    s << "</TR>\n" if i == len || week == 6
    i += 1
  end
  
  s << "</TABLE>\n"
end
print calendar_html
-----$ calendar.rb