note description: "Common ancestor to object that can manage touch device dollar gesture template." author: "Louis Marchand" date: "Sun, 19 Apr 2015 18:20:39 +0000" revision: "2.0" deferred class interface GAME_DOLLAR_GESTURE_MANAGER feature -- Access append_all_dollar_gesture_template (a_filename: READABLE_STRING_GENERAL) -- Save every dollar gesture templates loaded in the library -- inside the file located at a_filename. If it exists, the data will -- be added to the end. If it does not, it will be created. -- Note: The templates hashes are not saved in the file. You have to save -- them yourself for future utilisation require is_file_valid: attached (create {RAW_FILE}.make_with_name (a_filename)) as la_file implies ((la_file.exists implies la_file.is_access_writable) and (not la_file.exists implies la_file.is_creatable)) append_dollar_gesture_template (a_hash: INTEGER_64; a_filename: READABLE_STRING_GENERAL) -- Save the dollar gesture templates identified by a_hash -- inside the file located at a_filename. If it exists, the data will -- be added to the end. If it does not, it will be created. -- Note: The a_hash is not saved in the file. You have to save it -- yourself for future utilisation require is_file_valid: attached (create {RAW_FILE}.make_with_name (a_filename)) as la_file implies ((la_file.exists implies la_file.is_access_writable) and (not la_file.exists implies la_file.is_creatable)) generating_type: TYPE [detachable GAME_DOLLAR_GESTURE_MANAGER] -- 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 has_error: BOOLEAN -- Is the library has generate an error -- (from GAME_ERROR_MANAGER) index: INTEGER_64 -- The internal index of the managed touch device last_error: READABLE_STRING_GENERAL -- The last error generate by the library -- (from GAME_SDL_ANY) last_loaded_dollar_gesture_template: INTEGER_32 -- How many dollar gesture template has been load on the last -- call of the load_dollar_gesture_template feature last_saved_dollar_gesture_template: INTEGER_32 -- How many dollar gesture template has been save on the last -- call of the save_dollar_gesture_template, -- save_all_dollar_gesture_template, append_dollar_gesture_template -- or append_all_dollar_gesture_template feature load_dollar_gesture_template (a_filename: READABLE_STRING_GENERAL) -- Load in Current every dollar gesture templates -- inside the file located at a_filename -- Note: The unique hash returned by the record_dollar_gesture -- feature has to be saved on the client side. require file_is_readable: attached (create {RAW_FILE}.make_with_name (a_filename)) as la_file implies (la_file.exists and then la_file.is_access_readable) save_all_dollar_gesture_template (a_filename: READABLE_STRING_GENERAL) -- Save every dollar gesture templates loaded in the library -- inside the file located at a_filename. If it exists, the file will be -- overwrited. -- Note: The templates hashes are not saved in the file. You have to save -- them yourself for future utilisation require is_file_creatable: (create {RAW_FILE}.make_with_name (a_filename)).is_creatable save_dollar_gesture_template (a_hash: INTEGER_64; a_filename: READABLE_STRING_GENERAL) -- Save the dollar gesture templates identified by a_hash -- inside the file located at a_filename. If it exists, the file will be -- overwrited. -- Note: The a_hash is not saved in the file. You have to save it -- yourself for future utilisation require is_file_creatable: (create {RAW_FILE}.make_with_name (a_filename)).is_creatable 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: GAME_DOLLAR_GESTURE_MANAGER): 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: GAME_DOLLAR_GESTURE_MANAGER): 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: GAME_DOLLAR_GESTURE_MANAGER): 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 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: GAME_DOLLAR_GESTURE_MANAGER) -- 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: GAME_DOLLAR_GESTURE_MANAGER) -- 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: GAME_DOLLAR_GESTURE_MANAGER -- 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: GAME_DOLLAR_GESTURE_MANAGER) -- 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: GAME_DOLLAR_GESTURE_MANAGER -- 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: GAME_DOLLAR_GESTURE_MANAGER -- 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 GAME_DOLLAR_GESTURE_MANAGER -- 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 -- Output 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 invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) end -- class GAME_DOLLAR_GESTURE_MANAGER
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