Automatic generation produced by ISE Eiffel
note description: "Abstracted string to handle SQL string." date: "$Date: 2018-01-23 11:24:11 -0900 (Tue, 23 Jan 2018) $" revision: "$Revision: 101290 $" deferred class interface SQL_ABSTRACT_STRING feature -- Initialization set_shared_from_pointer (a_ptr: POINTER) -- Share a_ptr. require a_ptr_not_null: a_ptr /= default_pointer set_shared_from_pointer_and_count (a_ptr: POINTER; a_length: INTEGER_32) -- Share a_ptr of a_length byte. require a_ptr_not_null: a_ptr /= default_pointer a_length_non_negative: a_length >= 0 feature -- Access copy_to_string (a_string: STRING_GENERAL; source_index, destination_index, n: INTEGER_32) -- Copy n characters of Current from source_index position to a_string at -- destination_index. Other characters of a_string remain unchanged. require a_string_not_void: a_string /= Void source_index_positive: source_index >= 1 destination_index_positive: destination_index >= 1 n_non_negative: n >= 0 n_is_small_enough_for_source: source_index + (n - 1) <= capacity n_is_small_enough_for_destination: destination_index + (n - 1) <= a_string.count generating_type: TYPE [detachable SQL_ABSTRACT_STRING] -- 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 item: POINTER -- Get pointer to allocated area. ensure item_not_null: Result /= default_pointer managed_data: MANAGED_POINTER -- Hold data of Current. read_string_into (a_string: STRING_GENERAL) -- Copy of substring containing all characters at indices -- between start_pos and end_pos into a_string replacing any -- existing characters. require a_string_not_void: a_string /= Void a_string_large_enough: a_string.count >= count read_substring_into (a_string: STRING_GENERAL; start_pos, end_pos: INTEGER_32) -- Copy of substring containing all characters at indices -- between start_pos and end_pos into a_string. require a_string_not_void: a_string /= Void start_position_big_enough: start_pos >= 1 end_position_big_enough: start_pos <= end_pos + 1 end_position_not_too_big: end_pos <= capacity a_string_large_enough: a_string.count >= end_pos - start_pos + 1 read_substring_into_character_32_area (a_area: SPECIAL [CHARACTER_32]; start_pos, end_pos: INTEGER_32) -- Copy of substring containing all characters at indices -- between start_pos and end_pos into a_area. require a_area_not_void: a_area /= Void start_position_big_enough: start_pos >= 1 end_position_big_enough: start_pos <= end_pos + 1 end_position_not_too_big: end_pos <= capacity a_area_large_enough: a_area.count >= end_pos - start_pos + 1 ensure copied: string: STRING_32 -- Eiffel string, ignoring `count`. Reads until a null character is being read. ensure string_not_void: Result /= Void substring (start_pos, end_pos: INTEGER_32): STRING_32 -- Copy of substring containing all characters at indices -- between start_pos and end_pos. require start_position_big_enough: start_pos >= 1 end_position_big_enough: start_pos <= end_pos + 1 end_position_not_too_big: end_pos <= capacity ensure susbstring_not_void: Result /= Void feature -- Measurement bytes_count: INTEGER_32 -- Number of bytes represented by the string. capacity: INTEGER_32 -- Number of characters in Current. character_size: INTEGER_32 -- Size of a character count: INTEGER_32 -- Number of characters in Current. 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: SQL_ABSTRACT_STRING): 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: SQL_ABSTRACT_STRING): 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: SQL_ABSTRACT_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 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 -- Element change fill_blank -- Fill Current with zeros. fill_value (a_value: INTEGER_8) -- Fill Current with a_value. set_count (a_count: INTEGER_32) -- Set `count` with a_count. -- Note: Current content from index 1 to -- count.min (a_count) is unchanged. require a_count_non_negative: a_count >= 0 ensure count_set: count = a_count set_string (a_string: READABLE_STRING_GENERAL) -- Set `string` with a_string. require a_string_not_void: a_string /= Void set_substring (a_string: READABLE_STRING_GENERAL; start_pos, end_pos: INTEGER_32) -- Set `string` with a_string. require a_string_not_void: a_string /= Void start_position_big_enough: start_pos >= 1 end_position_big_enough: start_pos <= end_pos + 1 end_pos_small_enough: end_pos <= a_string.count feature -- Duplication copy (other: SQL_ABSTRACT_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) ensure -- from ANY is_equal: Current ~ other frozen deep_copy (other: SQL_ABSTRACT_STRING) -- 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: SQL_ABSTRACT_STRING -- 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: SQL_ABSTRACT_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) ensure -- from ANY is_standard_equal: standard_is_equal (other) frozen standard_twin: SQL_ABSTRACT_STRING -- 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: SQL_ABSTRACT_STRING -- 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 SQL_ABSTRACT_STRING -- 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 managed_data_not_void: managed_data /= Void count_not_negative: count >= 0 -- 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 SQL_ABSTRACT_STRING -- Generated by Eiffel Studio --
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