indexing
	description: "Code used by the DATE/TIME to STRING conversion"
	date: "$Date$"
	revision: "$Revision$"

class DATE_TIME_CODE inherit

	CODE_VALIDITY_CHECKER

create

	make

feature -- Creation
	
	make (v: STRING) is
			-- Create code.
		require
			v_exists: v /= Void
			v_is_code: is_code (v)
		do
			set_value (v)
		ensure
			value_set: value.is_equal (v)
		end

feature -- Change

	set_value (v: STRING) is
			-- Set all the attributes such as
			-- Value, count_max, etc.
		require
			v_exists: v /= Void
			v_is_code: is_code (v)
		do
			value := clone (v)
			if is_day (value) then
				count_max := 2
				count_min := 1
				name := "day-numeric"
				value_max := 31
				value_min := 1
				is_text := False
				is_numeric := True
				type := 1	
			elseif is_day0 (value) then
				count_max := 2
				count_min := 2
				name := "day-numeric-on-2-digits"
				value_max := 31
				value_min := 1	
				is_text := False
				is_numeric := True
				type := 2			
			elseif is_day_text (value) then
				count_max := 3
				count_min := 3
				name := "day-text"
				value_max := 7
				value_min := 1
				is_text := True
				is_numeric := False
				type := 3
			elseif is_year4 (value) then
				count_max := 4
				count_min := 4
				name := "year-on-4-digits"
				is_text := False
				is_numeric := True
				type := 4
				value_max := -1
				value_min := -1
			elseif is_year2 (value) then
				count_max := 2
				count_min := 2
				name := "year-on-2-digits"
				is_text := False
				is_numeric := True
				type := 5
				value_max := -1
				value_min := -1
			elseif is_month (value) then
				count_max := 2
				count_min := 1
				name := "month-numeric"
				value_max := 12
				value_min := 1
				is_text := False
				is_numeric := True
				type := 6
			elseif is_month0 (value) then
				count_max := 2
				count_min := 2
				name := "month-numeric-on-2-digits"
				value_max := 12
				value_min := 1
				is_text := False
				is_numeric := True
				type := 7
			elseif is_month_text (value) then
				count_max := 3
				count_min := 3
				name := "month-text"
				value_max := 12
				value_min := 1
				is_text := True
				is_numeric := False
				type := 8
			elseif is_hour (value) then
				count_max := 2
				count_min := 1
				name := "hour-numeric"
				value_max := 24
				value_min := 0
				is_text := False
				is_numeric := True
				type := 9
			elseif is_hour0 (value) then
				count_max := 2
				count_min := 2
				name := "hour-numeric-on-2-digits"
				value_max := 24
				value_min := 0
				is_text := False
				is_numeric := True
				type := 10
			elseif is_hour12 (value) then
				count_max := 2
				count_min := 1
				name := "hour-12-clock-scale"
				value_max := 12
				value_min := 0
				is_text := False
				is_numeric := True
				type := 11
			elseif is_minute (value) then
				count_max := 2
				count_min := 1
				name := "minute-numeric"
				value_max := 59
				value_min := 0
				is_text := False
				is_numeric := True
				type := 12
			elseif is_minute0 (value) then
				count_max := 2
				count_min := 2
				name := "minute-numeric-on-2-digits"
				value_max := 59
				value_min := 0
				is_text := False
				is_numeric := True
				type := 13
			elseif is_second (value) then
				count_max := 2
				count_min := 1
				name := "second-numeric"
				value_max := 59
				value_min := 0
				is_text := False
				is_numeric := True
				type := 14
			elseif is_second0 (value) then
				count_max := 2
				count_min := 2
				name := "second-numeric-on-2-digits"
				value_max := 59
				value_min := 0
				is_text := False
				is_numeric := True
				type := 15
			elseif is_fractional_second (value) then
				count_max := value.substring (3, value.count).to_integer
				count_min := 1
				name := "fractional-second-numeric"
				is_text := False
				is_numeric := True
				type := 16
				value_max := -1
				value_min := -1
			elseif is_colon (value) then
				count_max := 1
				count_min := 1
				name := "colon"
				is_text := True
				is_numeric := False
				type := 17
			elseif is_slash (value) then
				count_max := 1
				count_min := 1
				name := "slash"
				is_text := True
				is_numeric := False
				type := 18
			elseif is_minus (value) then
				count_max := 1
				count_min := 1
				name := "minus"
				is_text := True
				is_numeric := False
				type := 19
			elseif is_comma (value) then
				count_max := 1
				count_min := 1
				name := "comma"
				is_text := True
				is_numeric := False
				type := 20
			elseif is_space (value) then
				count_max := 1
				count_min := 1
				name := "space"
				is_text := True
				is_numeric := False
				type := 21
			elseif is_dot (value) then
				count_max := 1
				count_min := 1
				name := "dot"
				is_text := True
				is_numeric := False
				type := 22
			elseif is_meridiem (value) then
				count_max := 2
				count_min := 2
				name := "meridiem"
				is_text := True
				is_numeric := False
				type := 23
			end
		ensure
			value_set: value.is_equal (v)
		end

feature -- Attributes

	value: STRING
			-- String code

	count_max: INTEGER
			-- Count max of the real value

	count_min: INTEGER
			-- Count min of the real value

	name: STRING
			-- Name of the code

	value_max: INTEGER
			-- Max of the real value

	value_min: INTEGER
			-- Min of the real value

	type: INTEGER
			-- Type number.

feature -- Status report

	is_text: BOOLEAN 
			-- Has the code a string value?

	is_numeric: BOOLEAN
			-- Has the code a numeric value?

end -- class DATE_TIME_CODE


--|----------------------------------------------------------------
--| EiffelTime: library of reusable components for ISE Eiffel.
--| Copyright (C) 1986-2001 Interactive Software Engineering Inc.
--| All rights reserved. Duplication and distribution prohibited.
--| May be used only with ISE Eiffel, under terms of user license. 
--| Contact ISE for any other use.
--|
--| Interactive Software Engineering Inc.
--| ISE Building
--| 360 Storke Road, Goleta, CA 93117 USA
--| Telephone 805-685-1006, Fax 805-685-6869
--| Electronic mail <info@eiffel.com>
--| Customer support: http://support.eiffel.com>
--| For latest info see award-winning pages: http://www.eiffel.com
--|----------------------------------------------------------------