note
	description: "Code used by the DATE/TIME to STRING conversion"
	legal: "See notice at end of class."
	status: "See notice at end of class."
	date: "$Date: 2017-03-29 12:26:46 +0000 (Wed, 29 Mar 2017) $"
	revision: "$Revision: 100065 $"

class 
	DATE_TIME_CODE

create 
	make

feature {NONE} -- Initialization

	default_create
			-- Process instances of classes with no creation clause.
			-- (Default: do nothing.)
			-- (from ANY)
		do
		end
	
feature -- Access

	generating_type: TYPE [detachable DATE_TIME_CODE]
			-- Type of current object
			-- (type of which it is a direct instance)
			-- (from ANY)
		external
			"built_in"
		ensure -- from ANY
			generating_type_not_void: Result /= Void
		end

	generator: STRING_8
			-- Name of current object's generating class
			-- (base class of the type of which it is a direct instance)
			-- (from ANY)
		external
			"built_in"
		ensure -- from ANY
			generator_not_void: Result /= Void
			generator_not_empty: not Result.is_empty
		end
	
feature -- Comparison

	frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN
			-- Are a and b either both void
			-- or attached to isomorphic object structures?
			-- (from ANY)
		do
			if a = Void then
				Result := b = Void
			else
				Result := b /= Void and then a.is_deep_equal (b)
			end
		ensure -- from ANY
			instance_free: class
			shallow_implies_deep: standard_equal (a, b) implies Result
			both_or_none_void: (a = Void) implies (Result = (b = Void))
			same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b))
			symmetric: Result implies deep_equal (b, a)
		end

	frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN
			-- Are a and b either both void or attached
			-- to objects considered equal?
			-- (from ANY)
		do
			if a = Void then
				Result := b = Void
			else
				Result := b /= Void and then a.is_equal (b)
			end
		ensure -- from ANY
			instance_free: class
			definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b))
		end

	frozen is_deep_equal (other: DATE_TIME_CODE): BOOLEAN
			-- Are Current and other attached to isomorphic object structures?
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		external
			"built_in"
		ensure -- from ANY
			shallow_implies_deep: standard_is_equal (other) implies Result
			same_type: Result implies same_type (other)
			symmetric: Result implies other.is_deep_equal (Current)
		end

	is_equal (other: DATE_TIME_CODE): BOOLEAN
			-- Is other attached to an object considered
			-- equal to current object?
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		external
			"built_in"
		ensure -- from ANY
			symmetric: Result implies other ~ Current
			consistent: standard_is_equal (other) implies Result
		end

	frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN
			-- Are a and b either both void or attached to
			-- field-by-field identical objects of the same type?
			-- Always uses default object comparison criterion.
			-- (from ANY)
		do
			if a = Void then
				Result := b = Void
			else
				Result := b /= Void and then a.standard_is_equal (b)
			end
		ensure -- from ANY
			instance_free: class
			definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b))
		end

	frozen standard_is_equal (other: DATE_TIME_CODE): BOOLEAN
			-- Is other attached to an object of the same type
			-- as current object, and field-by-field identical to it?
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		external
			"built_in"
		ensure -- from ANY
			same_type: Result implies same_type (other)
			symmetric: Result implies other.standard_is_equal (Current)
		end
	
feature -- Status report

	conforms_to (other: ANY): BOOLEAN
			-- Does type of current object conform to type
			-- of other (as per Eiffel: The Language, chapter 13)?
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		external
			"built_in"
		end

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

	is_separator_code: BOOLEAN
		do
			inspect type
			when Colon_type_code, Slash_type_code, Minus_type_code, Comma_type_code, Space_type_code, Dot_type_code then
				Result := True
			else
			end
		end

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

	same_type (other: ANY): BOOLEAN
			-- Is type of current object identical to type of other?
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		external
			"built_in"
		ensure -- from ANY
			definition: Result = (conforms_to (other) and other.conforms_to (Current))
		end
	
feature -- Duplication

	frozen clone (other: detachable ANY): like other
		obsolete "Use `twin' instead. [2017-05-31]"
			-- Void if other is void; otherwise new object
			-- equal to other
			--
			-- For non-void other, clone calls copy;
			-- to change copying/cloning semantics, redefine copy.
			-- (from ANY)
		do
			if other /= Void then
				Result := other.twin
			end
		ensure -- from ANY
			instance_free: class
			equal: Result ~ other
		end

	copy (other: DATE_TIME_CODE)
			-- Update current object using fields of object attached
			-- to other, so as to yield equal objects.
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
			type_identity: same_type (other)
		external
			"built_in"
		ensure -- from ANY
			is_equal: Current ~ other
		end

	frozen deep_clone (other: detachable ANY): like other
		obsolete "Use `deep_twin' instead. [2017-05-31]"
			-- Void if other is void: otherwise, new object structure
			-- recursively duplicated from the one attached to other
			-- (from ANY)
		do
			if other /= Void then
				Result := other.deep_twin
			end
		ensure -- from ANY
			instance_free: class
			deep_equal: deep_equal (other, Result)
		end

	frozen deep_copy (other: DATE_TIME_CODE)
			-- Effect equivalent to that of:
			--		copy (other . deep_twin)
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		do
			copy (other.deep_twin)
		ensure -- from ANY
			deep_equal: deep_equal (Current, other)
		end

	frozen deep_twin: DATE_TIME_CODE
			-- New object structure recursively duplicated from Current.
			-- (from ANY)
		external
			"built_in"
		ensure -- from ANY
			deep_twin_not_void: Result /= Void
			deep_equal: deep_equal (Current, Result)
		end

	frozen standard_clone (other: detachable ANY): like other
		obsolete "Use `standard_twin' instead. [2017-05-31]"
			-- Void if other is void; otherwise new object
			-- field-by-field identical to other.
			-- Always uses default copying semantics.
			-- (from ANY)
		do
			if other /= Void then
				Result := other.standard_twin
			end
		ensure -- from ANY
			instance_free: class
			equal: standard_equal (Result, other)
		end

	frozen standard_copy (other: DATE_TIME_CODE)
			-- Copy every field of other onto corresponding field
			-- of current object.
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
			type_identity: same_type (other)
		external
			"built_in"
		ensure -- from ANY
			is_standard_equal: standard_is_equal (other)
		end

	frozen standard_twin: DATE_TIME_CODE
			-- New object field-by-field identical to other.
			-- Always uses default copying semantics.
			-- (from ANY)
		external
			"built_in"
		ensure -- from ANY
			standard_twin_not_void: Result /= Void
			equal: standard_equal (Result, Current)
		end

	frozen twin: DATE_TIME_CODE
			-- New object equal to Current
			-- twin calls copy; to change copying/twinning semantics, redefine copy.
			-- (from ANY)
		external
			"built_in"
		ensure -- from ANY
			twin_not_void: Result /= Void
			is_equal: Result ~ Current
		end
	
feature -- Basic operations

	frozen as_attached: attached DATE_TIME_CODE
		obsolete "Remove calls to this feature. [2017-05-31]"
			-- Attached version of Current.
			-- (Can be used during transitional period to convert
			-- non-void-safe classes to void-safe ones.)
			-- (from ANY)
		do
			Result := Current
		end

	frozen default: detachable DATE_TIME_CODE
			-- Default value of object's type
			-- (from ANY)
		do
		end

	frozen default_pointer: POINTER
			-- Default value of type POINTER
			-- (Avoid the need to write p.default for
			-- some p of type POINTER.)
			-- (from ANY)
		do
		ensure -- from ANY
			instance_free: class
		end

	default_rescue
			-- Process exception for routines with no Rescue clause.
			-- (Default: do nothing.)
			-- (from ANY)
		do
		end

	frozen do_nothing
			-- Execute a null action.
			-- (from ANY)
		do
		ensure -- from ANY
			instance_free: class
		end
	
feature {FIND_SEPARATOR_FACILITY} -- Implementation

	Colon_type_code: NATURAL_8 = 18

	Comma_type_code: NATURAL_8 = 21

	Day_numeric_on_2_digits_type_code: NATURAL_8 = 2

	Day_numeric_type_code: NATURAL_8 = 1

	Day_text_type_code: NATURAL_8 = 3

	Dot_type_code: NATURAL_8 = 23

	Fractional_second_numeric_type_code: NATURAL_8 = 17

	Hour_12_clock_scale_on_2_digits_type_code: NATURAL_8 = 12

	Hour_12_clock_scale_type_code: NATURAL_8 = 11

	Hour_numeric_on_2_digits_type_code: NATURAL_8 = 10

	Hour_numeric_type_code: NATURAL_8 = 9

	Meridiem_type_code: NATURAL_8 = 24
			-- Type code constants

	Minus_type_code: NATURAL_8 = 20

	Minute_numeric_on_2_digits_type_code: NATURAL_8 = 14

	Minute_numeric_type_code: NATURAL_8 = 13

	Month_numeric_on_2_digits_type_code: NATURAL_8 = 7

	Month_numeric_type_code: NATURAL_8 = 6

	Month_text_type_code: NATURAL_8 = 8

	Second_numeric_on_2_digits_type_code: NATURAL_8 = 16

	Second_numeric_type_code: NATURAL_8 = 15

	Slash_type_code: NATURAL_8 = 19

	Space_type_code: NATURAL_8 = 22

	Year_on_2_digits_type_code: NATURAL_8 = 5

	Year_on_4_digits_type_code: NATURAL_8 = 4
	
feature -- Attributes

	count_max: INTEGER_32
			-- Count max of the real value

	count_min: INTEGER_32
			-- Count min of the real value

	name: STRING_8
			-- Name of the code

	type: INTEGER_32
			-- Type number.

	value: STRING_8
			-- String code

	value_max: INTEGER_32
			-- Max of the real value

	value_min: INTEGER_32
			-- Min of the real value
	
feature -- Change

	set_value (v: STRING_8)
			-- Set all the attributes such as
			-- Value, count_max, etc.
		require
			v_exists: v /= Void
			v_is_code: is_code (v)
		local
			l_name: like name
		do
			value := v.twin
			if is_day (value) then
				count_max := 2
				count_min := 1
				l_name := "day-numeric"
				value_max := 31
				value_min := 1
				is_text := False
				is_numeric := True
				type := Day_numeric_type_code.to_integer_32
			elseif is_day0 (value) then
				count_max := 2
				count_min := 2
				l_name := "day-numeric-on-2-digits"
				value_max := 31
				value_min := 1
				is_text := False
				is_numeric := True
				type := Day_numeric_on_2_digits_type_code.to_integer_32
			elseif is_day_text (value) then
				count_max := 3
				count_min := 3
				l_name := "day-text"
				value_max := 7
				value_min := 1
				is_text := True
				is_numeric := False
				type := Day_text_type_code.to_integer_32
			elseif is_year4 (value) then
				count_max := 4
				count_min := 4
				l_name := "year-on-4-digits"
				is_text := False
				is_numeric := True
				type := Year_on_4_digits_type_code.to_integer_32
				value_max := -1
				value_min := -1
			elseif is_year2 (value) then
				count_max := 2
				count_min := 2
				l_name := "year-on-2-digits"
				is_text := False
				is_numeric := True
				type := Year_on_2_digits_type_code.to_integer_32
				value_max := -1
				value_min := -1
			elseif is_month (value) then
				count_max := 2
				count_min := 1
				l_name := "month-numeric"
				value_max := 12
				value_min := 1
				is_text := False
				is_numeric := True
				type := Month_numeric_type_code.to_integer_32
			elseif is_month0 (value) then
				count_max := 2
				count_min := 2
				l_name := "month-numeric-on-2-digits"
				value_max := 12
				value_min := 1
				is_text := False
				is_numeric := True
				type := Month_numeric_on_2_digits_type_code.to_integer_32
			elseif is_month_text (value) then
				count_max := 3
				count_min := 3
				l_name := "month-text"
				value_max := 12
				value_min := 1
				is_text := True
				is_numeric := False
				type := Month_text_type_code.to_integer_32
			elseif is_hour (value) then
				count_max := 2
				count_min := 1
				l_name := "hour-numeric"
				value_max := 24
				value_min := 0
				is_text := False
				is_numeric := True
				type := Hour_numeric_type_code.to_integer_32
			elseif is_hour0 (value) then
				count_max := 2
				count_min := 2
				l_name := "hour-numeric-on-2-digits"
				value_max := 24
				value_min := 0
				is_text := False
				is_numeric := True
				type := Hour_numeric_on_2_digits_type_code.to_integer_32
			elseif is_hour12 (value) then
				count_max := 2
				count_min := 1
				l_name := "hour-12-clock-scale"
				value_max := 12
				value_min := 0
				is_text := False
				is_numeric := True
				type := Hour_12_clock_scale_type_code.to_integer_32
			elseif is_minute (value) then
				count_max := 2
				count_min := 1
				l_name := "minute-numeric"
				value_max := 59
				value_min := 0
				is_text := False
				is_numeric := True
				type := Minute_numeric_type_code.to_integer_32
			elseif is_minute0 (value) then
				count_max := 2
				count_min := 2
				l_name := "minute-numeric-on-2-digits"
				value_max := 59
				value_min := 0
				is_text := False
				is_numeric := True
				type := Minute_numeric_on_2_digits_type_code.to_integer_32
			elseif is_second (value) then
				count_max := 2
				count_min := 1
				l_name := "second-numeric"
				value_max := 59
				value_min := 0
				is_text := False
				is_numeric := True
				type := Second_numeric_type_code.to_integer_32
			elseif is_second0 (value) then
				count_max := 2
				count_min := 2
				l_name := "second-numeric-on-2-digits"
				value_max := 59
				value_min := 0
				is_text := False
				is_numeric := True
				type := Second_numeric_on_2_digits_type_code.to_integer_32
			elseif is_fractional_second (value) then
				count_max := value.substring (3, value.count).to_integer
				count_min := 1
				l_name := "fractional-second-numeric"
				is_text := False
				is_numeric := True
				type := Fractional_second_numeric_type_code.to_integer_32
				value_max := -1
				value_min := -1
			elseif is_colon (value) then
				count_max := 1
				count_min := 1
				l_name := "colon"
				is_text := True
				is_numeric := False
				type := Colon_type_code.to_integer_32
			elseif is_slash (value) then
				count_max := 1
				count_min := 1
				l_name := "slash"
				is_text := True
				is_numeric := False
				type := Slash_type_code.to_integer_32
			elseif is_minus (value) then
				count_max := 1
				count_min := 1
				l_name := "minus"
				is_text := True
				is_numeric := False
				type := Minus_type_code.to_integer_32
			elseif is_comma (value) then
				count_max := 1
				count_min := 1
				l_name := "comma"
				is_text := True
				is_numeric := False
				type := Comma_type_code.to_integer_32
			elseif is_space (value) then
				count_max := 1
				count_min := 1
				l_name := "space"
				is_text := True
				is_numeric := False
				type := Space_type_code.to_integer_32
			elseif is_dot (value) then
				count_max := 1
				count_min := 1
				l_name := "dot"
				is_text := True
				is_numeric := False
				type := Dot_type_code.to_integer_32
			elseif is_meridiem (value) then
				count_max := 2
				count_min := 2
				l_name := "meridiem"
				is_text := True
				is_numeric := False
				type := Meridiem_type_code.to_integer_32
			else
				check
					is_hour12_0: is_hour12_0 (value)
				end
				count_max := 2
				count_min := 2
				l_name := "hour-12-clock-scale-on-2-digits"
				value_max := 12
				value_min := 0
				is_text := False
				is_numeric := True
				type := Hour_12_clock_scale_on_2_digits_type_code.to_integer_32
			end
			name := l_name
		ensure
			value_set: value.same_string (v)
		end
	
feature -- Creation

	make (v: STRING_8)
			-- Create code.
		require
			v_exists: v /= Void
			v_is_code: is_code (v)
		do
			set_value (v)
		ensure
			value_set: value.same_string (v)
		end
	
feature -- Output

	debug_output: STRING_8
			-- String that should be displayed in debugger to represent Current.
		do
			create Result.make_empty
			Result.append_integer (type)
			Result.append (" -> ")
			Result.append (name)
		ensure -- from DEBUG_OUTPUT
			result_not_void: Result /= Void
		end

	Io: STD_FILES
			-- Handle to standard file setup
			-- (from ANY)
		once
			create Result
			Result.set_output_default
		ensure -- from ANY
			instance_free: class
			io_not_void: Result /= Void
		end

	out: STRING_8
			-- New string containing terse printable representation
			-- of current object
			-- (from ANY)
		do
			Result := tagged_out
		ensure -- from ANY
			out_not_void: Result /= Void
		end

	print (o: detachable ANY)
			-- Write terse external representation of o
			-- on standard output.
			-- (from ANY)
		do
			if o /= Void then
				Io.put_string (o.out)
			end
		ensure -- from ANY
			instance_free: class
		end

	frozen tagged_out: STRING_8
			-- New string containing terse printable representation
			-- of current object
			-- (from ANY)
		external
			"built_in"
		ensure -- from ANY
			tagged_out_not_void: Result /= Void
		end
	
feature -- Platform

	Operating_environment: OPERATING_ENVIRONMENT
			-- Objects available from the operating system
			-- (from ANY)
		once
			create Result
		ensure -- from ANY
			instance_free: class
			operating_environment_not_void: Result /= Void
		end
	
feature -- Preconditions

	is_code (s: STRING_8): BOOLEAN
			-- Is the string a code?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := is_colon (s) or is_comma (s) or is_day (s) or is_day0 (s) or is_day_text (s) or is_dot (s) or is_fractional_second (s) or is_hour (s) or is_hour0 (s) or is_hour12 (s) or is_hour12_0 (s) or is_meridiem (s) or is_minus (s) or is_minute (s) or is_minute0 (s) or is_month (s) or is_month0 (s) or is_month_text (s) or is_second (s) or is_second0 (s) or is_slash (s) or is_space (s) or is_year2 (s) or is_year4 (s)
		end

	is_colon (s: STRING_8): BOOLEAN
			-- Is the code a separator-colomn?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string (":")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string (":")
		end

	is_comma (s: STRING_8): BOOLEAN
			-- Is the code a separator-coma?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string (",")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string (",")
		end

	is_day (s: STRING_8): BOOLEAN
			-- Is the code a day-numeric?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("dd")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("dd")
		end

	is_day0 (s: STRING_8): BOOLEAN
			-- Is the code a day-numeric
			-- Padded with zero?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("[0]dd")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("[0]dd")
		end

	is_day_text (s: STRING_8): BOOLEAN
			-- Is the code a day-text?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("ddd")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("ddd")
		end

	is_dot (s: STRING_8): BOOLEAN
			-- Is the code a separator-dot?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string (".")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string (".")
		end

	is_fractional_second (s: STRING_8): BOOLEAN
			-- Is the code a fractional-second
			-- With precision to n figures?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			if s.count > 2 then
				Result := s.substring (1, 2).same_string ("ff") and s.substring (3, s.count).is_integer
			end
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = (s.count > 2 and then (s.substring (1, 2).same_string ("ff") and s.substring (3, s.count).is_integer))
		end

	is_hour (s: STRING_8): BOOLEAN
			-- Is the code a 24-hour-clock-scale?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("hh")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("hh")
		end

	is_hour0 (s: STRING_8): BOOLEAN
			-- Is the code a 24-hour-clock-scale
			-- Padded with zero?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("[0]hh")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("[0]hh")
		end

	is_hour12 (s: STRING_8): BOOLEAN
			-- Is the code a 12-hour-clock-scale?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("hh12")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("hh12")
		end

	is_hour12_0 (s: STRING_8): BOOLEAN
			-- Is the code a 12-hour-clock-scale padded with zero?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("[0]hh12")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("[0]hh12")
		end

	is_meridiem (s: STRING_8): BOOLEAN
			-- Is the code a meridiem notation?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		local
			tmp: STRING_8
		do
			tmp := s.as_upper
			Result := tmp.same_string ("AM") or tmp.same_string ("PM")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.as_upper.same_string ("AM") or s.as_upper.same_string ("PM")
		end

	is_minus (s: STRING_8): BOOLEAN
			-- Is the code a separator-minus?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("-")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("-")
		end

	is_minute (s: STRING_8): BOOLEAN
			-- Is the code a minute-numeric?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("mi")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("mi")
		end

	is_minute0 (s: STRING_8): BOOLEAN
			-- Is the code a minute-numeric
			-- Padded with zero?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("[0]mi")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("[0]mi")
		end

	is_month (s: STRING_8): BOOLEAN
			-- Is the code a month-numeric?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("mm")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("mm")
		end

	is_month0 (s: STRING_8): BOOLEAN
			-- Is the code a month-numeric
			-- Padded with zero?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("[0]mm")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("[0]mm")
		end

	is_month_text (s: STRING_8): BOOLEAN
			-- Is the code a month-text?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("mmm")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("mmm")
		end

	is_second (s: STRING_8): BOOLEAN
			-- Is the code a second-numeric?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("ss")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("ss")
		end

	is_second0 (s: STRING_8): BOOLEAN
			-- Is the code a second-numeric
			-- Padded with zero?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("[0]ss")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("[0]ss")
		end

	is_separator (s: STRING_8): BOOLEAN
			-- Is the code a separator?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := is_slash (s) or else is_colon (s) or else is_minus (s) or else is_comma (s) or else is_space (s) or else is_dot (s)
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = is_slash (s) or else is_colon (s) or else is_minus (s) or else is_comma (s) or else is_space (s) or else is_dot (s)
		end

	is_slash (s: STRING_8): BOOLEAN
			-- Is the code a separator-slash?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("/")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("/")
		end

	is_space (s: STRING_8): BOOLEAN
			-- Is the code a separator-space?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string (" ")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string (" ")
		end

	is_year2 (s: STRING_8): BOOLEAN
			-- Is the code a year-numeric
			-- On 2 figures?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("yy")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("yy")
		end

	is_year4 (s: STRING_8): BOOLEAN
			-- Is the code a year-numeric
			-- On 4 figures?
			-- (from CODE_VALIDITY_CHECKER)
		require -- from CODE_VALIDITY_CHECKER
			s_exists: s /= Void
		do
			Result := s.same_string ("yyyy")
		ensure -- from CODE_VALIDITY_CHECKER
			definition: Result = s.same_string ("yyyy")
		end
	
feature {NONE} -- Retrieval

	frozen internal_correct_mismatch
			-- Called from runtime to perform a proper dynamic dispatch on correct_mismatch
			-- from MISMATCH_CORRECTOR.
			-- (from ANY)
		local
			l_msg: STRING_8
			l_exc: EXCEPTIONS
		do
			if attached {MISMATCH_CORRECTOR} Current as l_corrector then
				l_corrector.correct_mismatch
			else
				create l_msg.make_from_string ("Mismatch: ")
				create l_exc
				l_msg.append (generating_type.name)
				l_exc.raise_retrieval_exception (l_msg)
			end
		end
	
invariant
		-- from ANY
	reflexive_equality: standard_is_equal (Current)
	reflexive_conformance: conforms_to (Current)

note
	copyright: "Copyright (c) 1984-2017, Eiffel Software and others"
	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
		Eiffel Software
		5949 Hollister Ave., Goleta, CA 93117 USA
		Telephone 805-685-1006, Fax 805-685-6869
		Website http://www.eiffel.com
		Customer support http://support.eiffel.com
	]"

end -- class DATE_TIME_CODE

Generated by ISE EiffelStudio