note description: "[ Commonly used input and output mechanisms. This class may be used as either ancestor or supplier by classes needing its facilities. ]" library: "Free implementation of ELKS library" status: "See notice at end of class." legal: "See notice at end of class." date: "$Date: 2018-04-28 20:54:31 +0000 (Sat, 28 Apr 2018) $" revision: "$Revision: 101701 $" class STD_FILES create default_create feature -- Access Input: PLAIN_TEXT_FILE -- Standard input file once create {CONSOLE} Result.make_open_stdin ("stdin") ensure instance_free: class input_not_void: Result /= Void end Output: PLAIN_TEXT_FILE -- Standard output file once create {CONSOLE} Result.make_open_stdout ("stdout") ensure instance_free: class output_not_void: Result /= Void end Error: PLAIN_TEXT_FILE -- Standard error file once create {CONSOLE} Result.make_open_stderr ("stderr") ensure instance_free: class error_not_void: Result /= Void end default_output: detachable PLAIN_TEXT_FILE -- Default output standard_default: PLAIN_TEXT_FILE -- Return the default_output or Output -- if default_output is Void. do Result := default_output if Result = Void then Result := Output end end feature -- Status report last_character: CHARACTER_8 -- Last character read by read_character -- Was declared in STD_FILES as synonym of lastchar. do Result := Input.last_character ensure instance_free: class end lastchar: CHARACTER_8 -- Last character read by read_character -- Was declared in STD_FILES as synonym of last_character. do Result := Input.last_character ensure instance_free: class end last_integer: INTEGER_32 -- Last integer read by read_integer -- Was declared in STD_FILES as synonym of lastint and last_integer_32. do Result := Input.last_integer ensure instance_free: class end lastint: INTEGER_32 -- Last integer read by read_integer -- Was declared in STD_FILES as synonym of last_integer and last_integer_32. do Result := Input.last_integer ensure instance_free: class end last_integer_32: INTEGER_32 -- Last integer read by read_integer -- Was declared in STD_FILES as synonym of last_integer and lastint. do Result := Input.last_integer ensure instance_free: class end last_integer_8: INTEGER_8 -- Last 8-bit integer read by read_integer_8 do Result := Input.last_integer_8 ensure instance_free: class end last_integer_16: INTEGER_16 -- Last 16-bit integer read by read_integer_16 do Result := Input.last_integer_16 ensure instance_free: class end last_integer_64: INTEGER_64 -- Last 8-bit integer read by read_integer_64 do Result := Input.last_integer_64 ensure instance_free: class end last_natural_8: NATURAL_8 -- Last 8-bit natural read by read_natural_8 do Result := Input.last_natural_8 ensure instance_free: class end last_natural_16: NATURAL_16 -- Last 16-bit natural read by read_natural_16 do Result := Input.last_natural_16 ensure instance_free: class end last_natural: NATURAL_32 -- Last 32-bit natural read by read_natural_32 -- Was declared in STD_FILES as synonym of last_natural_32. do Result := Input.last_natural_32 ensure instance_free: class end last_natural_32: NATURAL_32 -- Last 32-bit natural read by read_natural_32 -- Was declared in STD_FILES as synonym of last_natural. do Result := Input.last_natural_32 ensure instance_free: class end last_natural_64: NATURAL_64 -- Last 64-bit natural read by read_natural_64 do Result := Input.last_natural_64 ensure instance_free: class end last_real: REAL_32 -- Last real read by read_real -- Was declared in STD_FILES as synonym of lastreal. do Result := Input.last_real ensure instance_free: class end lastreal: REAL_32 -- Last real read by read_real -- Was declared in STD_FILES as synonym of last_real. do Result := Input.last_real ensure instance_free: class end last_string: STRING_8 -- Last string read by read_line, -- read_stream, or read_word -- Was declared in STD_FILES as synonym of laststring. do Result := Input.last_string ensure instance_free: class end laststring: STRING_8 -- Last string read by read_line, -- read_stream, or read_word -- Was declared in STD_FILES as synonym of last_string. do Result := Input.last_string ensure instance_free: class end last_double: REAL_64 -- Last double read by read_double -- Was declared in STD_FILES as synonym of lastdouble. do Result := Input.last_double ensure instance_free: class end lastdouble: REAL_64 -- Last double read by read_double -- Was declared in STD_FILES as synonym of last_double. do Result := Input.last_double ensure instance_free: class end feature -- Element change set_error_default -- Use standard error as default output. do default_output := Error end set_file_default (f: PLAIN_TEXT_FILE) -- Use f as default output. require valid_argument: f /= Void file_open_write: f.is_open_write do default_output := f end set_output_default -- Use standard output as default output. do default_output := Output end put_character (c: CHARACTER_8) -- Write c at end of default output. -- Was declared in STD_FILES as synonym of putchar. do standard_default.put_character (c) end putchar (c: CHARACTER_8) -- Write c at end of default output. -- Was declared in STD_FILES as synonym of put_character. do standard_default.put_character (c) end put_string (s: STRING_8) -- Write s at end of default output. -- Was declared in STD_FILES as synonym of putstring. require string_not_void: s /= Void do standard_default.put_string (s) end putstring (s: STRING_8) -- Write s at end of default output. -- Was declared in STD_FILES as synonym of put_string. require string_not_void: s /= Void do standard_default.put_string (s) end put_real (r: REAL_32) -- Write r at end of default output. -- Was declared in STD_FILES as synonym of putreal. do standard_default.put_real (r) end putreal (r: REAL_32) -- Write r at end of default output. -- Was declared in STD_FILES as synonym of put_real. do standard_default.put_real (r) end put_double (d: REAL_64) -- Write d at end of default output. -- Was declared in STD_FILES as synonym of putdouble. do standard_default.put_double (d) end putdouble (d: REAL_64) -- Write d at end of default output. -- Was declared in STD_FILES as synonym of put_double. do standard_default.put_double (d) end put_integer (i: INTEGER_32) -- Write i at end of default output. -- Was declared in STD_FILES as synonym of putint and put_integer_32. do standard_default.put_integer (i) end putint (i: INTEGER_32) -- Write i at end of default output. -- Was declared in STD_FILES as synonym of put_integer and put_integer_32. do standard_default.put_integer (i) end put_integer_32 (i: INTEGER_32) -- Write i at end of default output. -- Was declared in STD_FILES as synonym of put_integer and putint. do standard_default.put_integer (i) end put_integer_8 (i: INTEGER_8) -- Write i at end of default output. do standard_default.put_integer_8 (i) end put_integer_16 (i: INTEGER_16) -- Write i at end of default output. do standard_default.put_integer_16 (i) end put_integer_64 (i: INTEGER_64) -- Write i at end of default output. do standard_default.put_integer_64 (i) end put_natural_8 (i: NATURAL_8) -- Write i at end of default output. do standard_default.put_natural_8 (i) end put_natural_16 (i: NATURAL_16) -- Write i at end of default output. do standard_default.put_natural_16 (i) end put_natural (i: NATURAL_32) -- Write i at end of default output. -- Was declared in STD_FILES as synonym of put_natural_32. do standard_default.put_natural_32 (i) end put_natural_32 (i: NATURAL_32) -- Write i at end of default output. -- Was declared in STD_FILES as synonym of put_natural. do standard_default.put_natural_32 (i) end put_natural_64 (i: NATURAL_64) -- Write i at end of default output. do standard_default.put_natural_64 (i) end put_boolean (b: BOOLEAN) -- Write b at end of default output. -- Was declared in STD_FILES as synonym of putbool. do if b then put_string ("True") else put_string ("False") end end putbool (b: BOOLEAN) -- Write b at end of default output. -- Was declared in STD_FILES as synonym of put_boolean. do if b then put_string ("True") else put_string ("False") end end put_new_line -- Write line feed at end of default output. -- Was declared in STD_FILES as synonym of new_line. do standard_default.put_new_line end new_line -- Write line feed at end of default output. -- Was declared in STD_FILES as synonym of put_new_line. do standard_default.put_new_line end feature -- Input read_integer -- Read a new 32-bit integer from standard input. -- Make result available in last_integer. -- Was declared in STD_FILES as synonym of readint and read_integer_32. do Input.read_integer ensure instance_free: class end readint -- Read a new 32-bit integer from standard input. -- Make result available in last_integer. -- Was declared in STD_FILES as synonym of read_integer and read_integer_32. do Input.read_integer ensure instance_free: class end read_integer_32 -- Read a new 32-bit integer from standard input. -- Make result available in last_integer. -- Was declared in STD_FILES as synonym of read_integer and readint. do Input.read_integer ensure instance_free: class end read_integer_8 -- Read a new 8-bit integer from standard input. -- Make result available in last_integer_8. do Input.read_integer_8 ensure instance_free: class end read_integer_16 -- Read a new 16-bit integer from standard input. -- Make result available in last_integer_16. do Input.read_integer_16 ensure instance_free: class end read_integer_64 -- Read a new 64-bit integer from standard input. -- Make result available in last_integer_64. do Input.read_integer_64 ensure instance_free: class end read_natural_8 -- Read a new 8-bit natural from standard input. -- Make result available in last_natural_8. do Input.read_natural_8 ensure instance_free: class end read_natural_16 -- Read a new 16-bit natural from standard input. -- Make result available in last_natural_16. do Input.read_natural_16 ensure instance_free: class end read_natural -- Read a new 32-bit natural from standard input. -- Make result available in last_natural. -- Was declared in STD_FILES as synonym of read_natural_32. do Input.read_natural_32 ensure instance_free: class end read_natural_32 -- Read a new 32-bit natural from standard input. -- Make result available in last_natural. -- Was declared in STD_FILES as synonym of read_natural. do Input.read_natural_32 ensure instance_free: class end read_natural_64 -- Read a new 64-bit natural from standard input. -- Make result available in last_natural_64. do Input.read_natural_64 ensure instance_free: class end read_real -- Read a new real from standard input. -- Make result available in last_real. -- Was declared in STD_FILES as synonym of readreal. do Input.read_real ensure instance_free: class end readreal -- Read a new real from standard input. -- Make result available in last_real. -- Was declared in STD_FILES as synonym of read_real. do Input.read_real ensure instance_free: class end read_double -- Read a new double from standard input. -- Make result available in last_double. -- Was declared in STD_FILES as synonym of readdouble. do Input.read_double ensure instance_free: class end readdouble -- Read a new double from standard input. -- Make result available in last_double. -- Was declared in STD_FILES as synonym of read_double. do Input.read_double ensure instance_free: class end read_line -- Read a line from standard input. -- Make result available in last_string. -- Was declared in STD_FILES as synonym of readline. do Input.read_line ensure instance_free: class last_string_not_void: last_string /= Void end readline -- Read a line from standard input. -- Make result available in last_string. -- Was declared in STD_FILES as synonym of read_line. do Input.read_line ensure instance_free: class last_string_not_void: last_string /= Void end read_stream (nb_char: INTEGER_32) -- Read a string of at most nb_char bound characters -- from standard input. -- Make result available in last_string. -- Was declared in STD_FILES as synonym of readstream. do Input.read_stream (nb_char) ensure instance_free: class last_string_not_void: last_string /= Void end readstream (nb_char: INTEGER_32) -- Read a string of at most nb_char bound characters -- from standard input. -- Make result available in last_string. -- Was declared in STD_FILES as synonym of read_stream. do Input.read_stream (nb_char) ensure instance_free: class last_string_not_void: last_string /= Void end read_word -- Read a new word from standard input. -- Make result available in last_string. -- Was declared in STD_FILES as synonym of readword. do Input.read_word ensure instance_free: class last_string_not_void: last_string /= Void end readword -- Read a new word from standard input. -- Make result available in last_string. -- Was declared in STD_FILES as synonym of read_word. do Input.read_word ensure instance_free: class last_string_not_void: last_string /= Void end read_character -- Read a new character from standard input. -- It will not return until read operation is -- terminated when enter key is pressed. -- Make result available in last_character. -- last_character will also contains platform -- specific newline character. -- Was declared in STD_FILES as synonym of readchar. do Input.read_character ensure instance_free: class end readchar -- Read a new character from standard input. -- It will not return until read operation is -- terminated when enter key is pressed. -- Make result available in last_character. -- last_character will also contains platform -- specific newline character. -- Was declared in STD_FILES as synonym of read_character. do Input.read_character ensure instance_free: class end to_next_line -- Move to next input line on standard input. -- Was declared in STD_FILES as synonym of next_line. do Input.next_line ensure instance_free: class end next_line -- Move to next input line on standard input. -- Was declared in STD_FILES as synonym of to_next_line. do Input.next_line ensure instance_free: class end 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 STD_FILES
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