note description: "DATE/TIME to STRING conversion" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2018-04-28 20:34:01 +0000 (Sat, 28 Apr 2018) $" revision: "$Revision: 101689 $" class DATE_TIME_CODE_STRING 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_STRING] -- 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_STRING): 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_STRING): 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_STRING): 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_date (s: STRING_8): BOOLEAN -- Does s contain a DATE? require non_empty_string: s /= Void and then not s.is_empty do Result := parser (s).is_date end is_date_time (s: STRING_8): BOOLEAN -- Does s contain a DATE_TIME? require non_empty_string: s /= Void and then not s.is_empty do Result := parser (s).is_date_time end is_time (s: STRING_8): BOOLEAN -- Does s contain a TIME? require non_empty_string: s /= Void and then not s.is_empty do Result := parser (s).is_time end is_value_valid (s: STRING_8): BOOLEAN -- Does s contain a valid date or time as string representation? require non_empty_string: s /= Void and then not s.is_empty local l_parser: like parser do l_parser := parser (s) Result := l_parser.is_date or l_parser.is_time or l_parser.is_date_time end 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 separators_used: BOOLEAN -- Does the code string contain any separators? feature -- Status setting set_base_century (c: INTEGER_32) -- Set base century to c. require base_valid: c > 0 and (c \\ 100 = 0) do base_century := c ensure base_century_set: base_century = c 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_STRING) -- 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_STRING) -- 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_STRING -- 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_STRING) -- 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_STRING -- 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_STRING -- 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_STRING 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_STRING -- 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 {NONE} -- Implementation days: ARRAY [STRING_8] extracted_substrings (s: STRING_8; pos1, pos2: INTEGER_32): TUPLE [substrg: STRING_8; substrg2: STRING_8] -- Extract substrg and substrg2 from s and specified by the -- range pos1..pos2. -- (from FIND_SEPARATOR_FACILITY) require -- from FIND_SEPARATOR_FACILITY string_exists: s /= Void range_correct: pos1 <= pos2.abs local l_substrg, l_substrg2: STRING_8 do if pos2 > 0 then l_substrg := s.substring (pos1, pos2 - 1) l_substrg2 := s.substring (pos2, pos2) else l_substrg := s.substring (pos1, - pos2) create l_substrg2.make (0) end Result := [l_substrg, l_substrg2] ensure -- from FIND_SEPARATOR_FACILITY extracted_substrings_not_void: Result /= Void substrings_extracted: Result.substrg /= Void and Result.substrg2 /= Void end find_separator (s: STRING_8; i: INTEGER_32): INTEGER_32 -- Position of the next separator in s starting at -- i-th character. -- ":", "/", "-", ",", " ", "." -- (from FIND_SEPARATOR_FACILITY) require -- from FIND_SEPARATOR_FACILITY s_exists: s /= Void i_in_range: 1 <= i and i <= s.count local j, pos: INTEGER_32 ch: CHARACTER_8 sep_found: BOOLEAN do Result := s.count + 1 from j := 1 invariant inside_bounds: Result >= i and Result <= s.count + 1 until j > Separator_characters.count loop pos := s.index_of (Separator_characters @ j, 1) if pos /= 0 then sep_found := True pos := s.index_of (Separator_characters @ j, i) if pos /= 0 and pos < Result then Result := pos end end j := j + 1 end if not sep_found then from j := i if s.substring (j, j + 2).same_string ("[0]") then j := j + 3 end ch := s @ j until j > s.count or else (s @ j) /= ch loop j := j + 1 if j <= s.count then if ch = 'm' and then (s @ j) = 'i' then ch := s @ j elseif ch = 'h' and then (s @ j = '1') and (s.valid_index (j + 1) and then s.item (j + 1) = '2') then j := j + 1 ch := s @ j end end end Result := (j - 1) * -1 end ensure -- from FIND_SEPARATOR_FACILITY not_zero: Result /= 0 end has_separators (s: STRING_8): BOOLEAN -- Does date string s contain any separators? -- (from FIND_SEPARATOR_FACILITY) require -- from FIND_SEPARATOR_FACILITY string_exists: s /= Void local i: INTEGER_32 do from i := 1 until i > s.count or Result loop Result := is_separator (s.substring (i, i)) i := i + 1 end end internal_parser: detachable DATE_TIME_PARSER -- Cached instance of date-time string parser months: ARRAY [STRING_8] parser (s: STRING_8): DATE_TIME_PARSER -- Parser from s. -- Build a new one if necessary. require non_empty_string: s /= Void and then not s.is_empty do Result := internal_parser if not attached Result or else not equal (Result.source_string, s) then create Result.make (value) Result.set_day_array (days) Result.set_month_array (months) Result.set_base_century (base_century) Result.set_source_string (s) Result.parse internal_parser := Result end ensure parser_not_void: Result /= Void end right_day_text: BOOLEAN -- Is the name of the day the right one? feature -- Attributes base_century: INTEGER_32 -- Base century, used when interpreting 2-digit year -- specifications. name: STRING_8 -- Name of the code string. local i: INTEGER_32 l_item: detachable DATE_TIME_CODE do create Result.make (1) from i := 1 l_item := value.item (i) until l_item = Void loop Result.append (l_item.name) Result.append_character (' ') i := i + 1 l_item := value.item (i) end end value: HASH_TABLE [DATE_TIME_CODE, INTEGER_32] -- Hash-table representing the code string. feature {NONE} -- Constants Separator_characters: STRING_8 = ":/-, ." -- (from FIND_SEPARATOR_FACILITY) feature -- Creation make (s: STRING_8) -- Create code descriptors and hash-table from s. require s_exists: s /= Void local i, pos1, pos2: INTEGER_32 date_constants: DATE_CONSTANTS l_substrgs: like extracted_substrings l_substrg, l_substrg2: STRING_8 do create value.make (20) pos1 := 1 create date_constants days := date_constants.days_text.twin months := date_constants.months_text.twin from i := 1 until pos1 >= s.count loop pos2 := find_separator (s, pos1) l_substrgs := extracted_substrings (s, pos1, pos2) pos2 := pos2.abs l_substrg := l_substrgs.substrg l_substrg.to_lower if l_substrg.count > 0 then value.put (create {DATE_TIME_CODE}.make (l_substrg), i) i := i + 1 end l_substrg2 := l_substrgs.substrg2 if l_substrg2.count > 0 then value.put (create {DATE_TIME_CODE}.make (l_substrg2), i) i := i + 1 separators_used := True end pos1 := pos2 + 1 end base_century := (create {C_DATE}).year_now // 100 * -100 ensure value_set: value /= Void base_century_set: base_century < 0 and (base_century \\ 100 = 0) end feature -- Interface correspond (s: STRING_8): BOOLEAN -- Does the user string s correspond to the code string? require s_exists: s /= Void local pos1, pos2, i: INTEGER_32 code: detachable DATE_TIME_CODE has_seps: BOOLEAN l_substrgs: like extracted_substrings l_substrg, l_substrg2: STRING_8 do pos1 := 1 if s.is_empty then Result := False else Result := True has_seps := has_separators (s) end from i := 1 until pos1 > s.count or not Result loop code := value.item (i) if code = Void then Result := False else if has_seps then pos2 := find_separator (s, pos1) else pos2 := (pos1 + code.count_max - 1) * -1 end l_substrgs := extracted_substrings (s, pos1, pos2) pos2 := pos2.abs l_substrg := l_substrgs.substrg if l_substrg.count > 0 then Result := l_substrg.count <= code.count_max and l_substrg.count >= code.count_min if code.is_numeric then Result := Result and l_substrg.is_integer if code.value_max /= -1 and code.value_min /= -1 then Result := Result and l_substrg.to_integer <= code.value_max and l_substrg.to_integer >= code.value_min end elseif code.is_meridiem (code.value) then Result := Result and (l_substrg.is_case_insensitive_equal ("AM") or l_substrg.is_case_insensitive_equal ("PM")) elseif code.is_day_text (code.value) then Result := Result and days.has (l_substrg) elseif code.is_month_text (code.value) then Result := Result and months.has (l_substrg) end i := i + 1 end if has_seps then code := value.item (i) i := i + 1 if code /= Void then l_substrg2 := l_substrgs.substrg2 Result := Result and pos2 /= s.count and l_substrg2.same_string (code.value) end end pos1 := pos2 + 1 end end end create_date (s: STRING_8): DATE -- Create a DATE according to the format in s. require s_exists: s /= Void is_precise: precise_date s_correspond: correspond (s) local tmp_code: DATE_TIME_CODE tmp_ht: HASH_TABLE [DATE_TIME_CODE, INTEGER_32] i: INTEGER_32 do tmp_ht := value.twin i := value.count + 1 if has_separators (s) then create tmp_code.make (" ") value.put (tmp_code, i) create tmp_code.make ("hh") value.put (tmp_code, i + 1) create tmp_code.make (":") value.put (tmp_code, i + 2) create tmp_code.make ("mi") value.put (tmp_code, i + 3) create tmp_code.make (":") value.put (tmp_code, i + 4) create tmp_code.make ("ss") value.put (tmp_code, i + 5) s.append (" 0:0:0") Result := create_date_time (s).date s.replace_substring_all (" 0:0:0", "") else create tmp_code.make ("[0]hh") value.put (tmp_code, i) create tmp_code.make ("[0]mi") value.put (tmp_code, i + 1) create tmp_code.make ("[0]ss") value.put (tmp_code, i + 2) s.append ("000000") Result := create_date_time (s).date s.remove_tail (6) end value := tmp_ht ensure date_exists: Result /= Void day_text_equal_day: right_day_text end create_date_string (date: DATE): STRING_8 -- Create the output of date according to the code string. require date_exists: date /= Void do Result := create_string (create {DATE_TIME}.make_by_date (date)) ensure string_exists: Result /= Void string_correspond: correspond (Result) end create_date_time (s: STRING_8): DATE_TIME -- Create DATE_TIME according to s. require s_exist: s /= Void is_precise: precise s_correspond: correspond (s) valid: is_value_valid (s) local l_parser: like parser l_day_text: detachable STRING_8 do right_day_text := True l_parser := parser (s) create Result.make_fine (l_parser.year, l_parser.month, l_parser.day, l_parser.hour, l_parser.minute, l_parser.fine_second) l_day_text := l_parser.day_text if l_day_text /= Void then right_day_text := l_day_text.same_string (days.item (Result.date.day_of_the_week)) end ensure date_time_exists: Result /= Void day_text_equal_day: right_day_text end create_string (date_time: DATE_TIME): STRING_8 -- Create the output of date_time according to the code string. require non_void: date_time /= Void local date: DATE time: TIME int, i, type: INTEGER_32 l_tmp: STRING_8 l_item: detachable DATE_TIME_CODE do create Result.make (1) date := date_time.date time := date_time.time from i := 1 l_item := value.item (i) until l_item = Void loop type := l_item.type inspect type when {DATE_TIME_CODE}.day_numeric_type_code then Result.append (date.day.out) when {DATE_TIME_CODE}.day_numeric_on_2_digits_type_code then int := date.day if int < 10 then Result.append ("0") end Result.append (int.out) when {DATE_TIME_CODE}.day_text_type_code then int := date.day_of_the_week Result.append (days.item (int)) when {DATE_TIME_CODE}.year_on_4_digits_type_code then l_tmp := date.year.out if l_tmp.count = 4 then Result.append (l_tmp) else if l_tmp.count = 1 then Result.append ("000") Result.append (l_tmp) elseif l_tmp.count = 2 then Result.append ("00") Result.append (l_tmp) elseif l_tmp.count = 3 then Result.append ("0") Result.append (l_tmp) end end when {DATE_TIME_CODE}.year_on_2_digits_type_code then l_tmp := date.year.out if l_tmp.count > 2 then l_tmp.keep_tail (2) elseif l_tmp.count = 1 then Result.append_character ('0') end Result.append (l_tmp) when {DATE_TIME_CODE}.month_numeric_type_code then Result.append (date.month.out) when {DATE_TIME_CODE}.month_numeric_on_2_digits_type_code then int := date.month if int < 10 then Result.append ("0") end Result.append (int.out) when {DATE_TIME_CODE}.month_text_type_code then int := date.month Result.append (months.item (int)) when {DATE_TIME_CODE}.hour_numeric_type_code then Result.append (time.hour.out) when {DATE_TIME_CODE}.hour_numeric_on_2_digits_type_code then int := time.hour if int < 10 then Result.append ("0") end Result.append (int.out) when {DATE_TIME_CODE}.hour_12_clock_scale_type_code, {DATE_TIME_CODE}.hour_12_clock_scale_on_2_digits_type_code then int := time.hour if int < 12 then if int = 0 then int := 12 end else if int /= 12 then int := int - 12 end end if type = {DATE_TIME_CODE}.hour_12_clock_scale_on_2_digits_type_code.to_integer_32 and then int < 10 then Result.append ("0") end Result.append (int.out) when {DATE_TIME_CODE}.minute_numeric_type_code then Result.append (time.minute.out) when {DATE_TIME_CODE}.minute_numeric_on_2_digits_type_code then int := time.minute if int < 10 then Result.append ("0") end Result.append (int.out) when {DATE_TIME_CODE}.second_numeric_type_code then Result.append (time.second.out) when {DATE_TIME_CODE}.second_numeric_on_2_digits_type_code then int := time.second if int < 10 then Result.append ("0") end Result.append (int.out) when {DATE_TIME_CODE}.fractional_second_numeric_type_code then int := (time.fractional_second * 10 ^ l_item.count_max.to_double).rounded l_tmp := int.out if l_tmp.count < l_item.count_max then Result.append (create {STRING_8}.make_filled ('0', l_item.count_max - l_tmp.count)) end Result.append (l_tmp) when {DATE_TIME_CODE}.meridiem_type_code then int := time.hour if int < 12 then Result.append ("AM") else Result.append ("PM") end else Result.append (l_item.value) end i := i + 1 l_item := value.item (i) end ensure string_exists: Result /= Void string_correspond: correspond (Result) end create_time (s: STRING_8): TIME -- Create a TIME according to the format in s. require s_exists: s /= Void is_precise: precise_time s_correspond: correspond (s) local tmp_code: DATE_TIME_CODE tmp_ht: HASH_TABLE [DATE_TIME_CODE, INTEGER_32] i: INTEGER_32 do tmp_ht := value.twin i := value.count + 1 if has_separators (s) then create tmp_code.make (" ") value.put (tmp_code, i) create tmp_code.make ("dd") value.put (tmp_code, i + 1) create tmp_code.make ("/") value.put (tmp_code, i + 2) create tmp_code.make ("mm") value.put (tmp_code, i + 3) create tmp_code.make ("/") value.put (tmp_code, i + 4) create tmp_code.make ("yy") value.put (tmp_code, i + 5) s.append (" 1/1/01") Result := create_date_time (s).time s.replace_substring_all (" 1/1/01", "") else create tmp_code.make ("[0]dd") value.put (tmp_code, i) create tmp_code.make ("[0]mm") value.put (tmp_code, i + 1) create tmp_code.make ("yy") value.put (tmp_code, i + 2) s.append ("010101") Result := create_date_time (s).time s.remove_tail (6) end value := tmp_ht ensure time_exists: Result /= Void time_correspond: create_time_string (Result).same_string (s) end create_time_string (time: TIME): STRING_8 -- Create the output of time according to the code string. require time_exists: time /= Void local date_time: DATE_TIME do create date_time.make_fine (1, 1, 1, time.hour, time.minute, time.fine_second) Result := create_string (date_time) ensure string_exists: Result /= Void string_correspond: correspond (Result) end precise: BOOLEAN -- Is the code string enough precise to create -- nn instance of type DATE_TIME? require not_void: value /= Void do Result := precise_date and precise_time end precise_date: BOOLEAN -- Is the code string enough precise to create -- nn instance of type DATE? require not_void: value /= Void local i, type: INTEGER_32 has_day, has_month, has_year: BOOLEAN do from i := 1 until not attached value.item (i) as l_item loop type := l_item.type if separators_used then inspect type when {DATE_TIME_CODE}.day_numeric_type_code, {DATE_TIME_CODE}.day_numeric_on_2_digits_type_code then has_day := True when {DATE_TIME_CODE}.year_on_4_digits_type_code, {DATE_TIME_CODE}.year_on_2_digits_type_code then has_year := True when {DATE_TIME_CODE}.month_numeric_type_code, {DATE_TIME_CODE}.month_numeric_on_2_digits_type_code, {DATE_TIME_CODE}.month_text_type_code then has_month := True else end else inspect type when {DATE_TIME_CODE}.day_numeric_on_2_digits_type_code then has_day := True when {DATE_TIME_CODE}.year_on_4_digits_type_code, {DATE_TIME_CODE}.year_on_2_digits_type_code then has_year := True when {DATE_TIME_CODE}.month_numeric_on_2_digits_type_code then has_month := True else end end i := i + 1 end Result := has_day and has_month and has_year end precise_time: BOOLEAN -- Is the code string enough precise to create -- an instance of type TIME? require not_void: value /= Void local i, type: INTEGER_32 has_hour_12, has_hour_24, has_minute, has_second: BOOLEAN do from i := 1 until not attached value.item (i) as l_item loop type := l_item.type if separators_used then inspect type when {DATE_TIME_CODE}.hour_numeric_type_code, {DATE_TIME_CODE}.hour_numeric_on_2_digits_type_code then has_hour_24 := True when {DATE_TIME_CODE}.minute_numeric_type_code, {DATE_TIME_CODE}.minute_numeric_on_2_digits_type_code then has_minute := True when {DATE_TIME_CODE}.second_numeric_type_code, {DATE_TIME_CODE}.second_numeric_on_2_digits_type_code then has_second := True when {DATE_TIME_CODE}.hour_12_clock_scale_type_code, {DATE_TIME_CODE}.hour_12_clock_scale_on_2_digits_type_code then has_hour_12 := True else end else inspect type when {DATE_TIME_CODE}.hour_numeric_on_2_digits_type_code then has_hour_24 := True when {DATE_TIME_CODE}.minute_numeric_on_2_digits_type_code then has_minute := True when {DATE_TIME_CODE}.second_numeric_on_2_digits_type_code then has_second := True when {DATE_TIME_CODE}.hour_12_clock_scale_on_2_digits_type_code then has_hour_12 := True else end end i := i + 1 end Result := (has_hour_24 or has_hour_12) and has_minute and has_second end feature -- Output 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 {NONE} -- 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) 1984-2018, 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_STRING
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