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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: 2020-05-19 06:45:25 -0800 (Tue, 19 May 2020) $" revision: "$Revision: 104270 $" class interface DATE_TIME_CODE create make (v: READABLE_STRING_8) -- Create code. require v_exists: v /= Void v_is_code: is_code (v) ensure value_set: value.same_string (v) feature -- Access generating_type: TYPE [detachable DATE_TIME_CODE] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty 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) 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) 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) 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)) frozen is_deep_equal alias "≡≡≡" (other: DATE_TIME_CODE): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void 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) 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 ensure -- from ANY symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result 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) 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)) frozen standard_is_equal alias "" (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 ensure -- from ANY same_type: Result implies same_type (other) symmetric: Result implies other.standard_is_equal (Current) 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 is_numeric: BOOLEAN -- Has the code a numeric value? is_separator_code: BOOLEAN 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 ensure -- from ANY definition: Result = (conforms_to (other) and other.conforms_to (Current)) feature -- Duplication 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) ensure -- from ANY is_equal: Current ~ other 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 ensure -- from ANY deep_equal: deep_equal (Current, other) frozen deep_twin: DATE_TIME_CODE -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) 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) ensure -- from ANY is_standard_equal: standard_is_equal (other) frozen standard_twin: DATE_TIME_CODE -- New object field-by-field identical to other. -- Always uses default copying semantics. -- (from ANY) ensure -- from ANY standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) frozen twin: DATE_TIME_CODE -- New object equal to Current -- twin calls copy; to change copying/twinning semantics, redefine copy. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations frozen default: detachable DATE_TIME_CODE -- Default value of object's type -- (from ANY) frozen default_pointer: POINTER -- Default value of type POINTER -- (Avoid the need to write p.default for -- some p of type POINTER.) -- (from ANY) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class 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: READABLE_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: READABLE_STRING_8) -- Set all the attributes such as -- Value, count_max, etc. require v_exists: v /= Void v_is_code: is_code (v) ensure value_set: value.same_string (v) feature -- Creation make (v: READABLE_STRING_8) -- Create code. require v_exists: v /= Void v_is_code: is_code (v) ensure value_set: value.same_string (v) feature -- Output debug_output: STRING_8 -- String that should be displayed in debugger to represent Current. ensure -- from DEBUG_OUTPUT result_not_void: Result /= Void Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY out_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void feature -- Preconditions is_code (s: READABLE_STRING_8): BOOLEAN -- Is the string a code? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void is_colon (s: READABLE_STRING_8): BOOLEAN -- Is the code a separator-colomn? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string (":") is_comma (s: READABLE_STRING_8): BOOLEAN -- Is the code a separator-coma? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string (",") is_day (s: READABLE_STRING_8): BOOLEAN -- Is the code a day-numeric? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("dd") is_day0 (s: READABLE_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 ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("[0]dd") is_day_text (s: READABLE_STRING_8): BOOLEAN -- Is the code a day-text? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("ddd") is_dot (s: READABLE_STRING_8): BOOLEAN -- Is the code a separator-dot? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string (".") is_fractional_second (s: READABLE_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 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)) is_hour (s: READABLE_STRING_8): BOOLEAN -- Is the code a 24-hour-clock-scale? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("hh") is_hour0 (s: READABLE_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 ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("[0]hh") is_hour12 (s: READABLE_STRING_8): BOOLEAN -- Is the code a 12-hour-clock-scale? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("hh12") is_hour12_0 (s: READABLE_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 ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("[0]hh12") is_meridiem (s: READABLE_STRING_8): BOOLEAN -- Is the code a meridiem notation? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.is_case_insensitive_equal ("AM") or s.is_case_insensitive_equal ("PM") is_minus (s: READABLE_STRING_8): BOOLEAN -- Is the code a separator-minus? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("-") is_minute (s: READABLE_STRING_8): BOOLEAN -- Is the code a minute-numeric? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("mi") is_minute0 (s: READABLE_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 ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("[0]mi") is_month (s: READABLE_STRING_8): BOOLEAN -- Is the code a month-numeric? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("mm") is_month0 (s: READABLE_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 ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("[0]mm") is_month_text (s: READABLE_STRING_8): BOOLEAN -- Is the code a month-text? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("mmm") is_second (s: READABLE_STRING_8): BOOLEAN -- Is the code a second-numeric? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("ss") is_second0 (s: READABLE_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 ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("[0]ss") is_separator (s: READABLE_STRING_8): BOOLEAN -- Is the code a separator? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void 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) is_slash (s: READABLE_STRING_8): BOOLEAN -- Is the code a separator-slash? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("/") is_space (s: READABLE_STRING_8): BOOLEAN -- Is the code a separator-space? -- (from CODE_VALIDITY_CHECKER) require -- from CODE_VALIDITY_CHECKER s_exists: s /= Void ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string (" ") is_year2 (s: READABLE_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 ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("yy") is_year4 (s: READABLE_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 ensure -- from CODE_VALIDITY_CHECKER definition: Result = s.same_string ("yyyy") invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note copyright: "Copyright (c) 1984-2020, 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
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