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note description: "Implementation of HOST_LOCALE using the Windows NLS API. Does not require Windows Vista." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2014-01-08 13:29:50 -0900 (Wed, 08 Jan 2014) $" revision: "$Revision: 93935 $" class interface I18N_HOST_LOCALE_IMP create default_create -- Process instances of classes with no creation clause. -- (Default: do nothing.) -- (from ANY) feature -- Access generating_type: TYPE [detachable I18N_HOST_LOCALE_IMP] -- 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: I18N_HOST_LOCALE_IMP): 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: I18N_HOST_LOCALE_IMP): 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: I18N_HOST_LOCALE_IMP): 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: I18N_HOST_LOCALE_IMP) -- 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: I18N_HOST_LOCALE_IMP) -- 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: I18N_HOST_LOCALE_IMP -- 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: I18N_HOST_LOCALE_IMP) -- 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: I18N_HOST_LOCALE_IMP -- 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: I18N_HOST_LOCALE_IMP -- 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 I18N_HOST_LOCALE_IMP -- 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 -- Code page ansi_code_page: STRING_32 mac_code_page: STRING_32 oem_code_page: STRING_32 feature -- Creation create_locale_info (locale: I18N_LOCALE_ID): I18N_LOCALE_INFO -- fill in require -- from I18N_HOST_LOCALE a_locale_not_void: locale /= Void a_locale_exists: is_available (locale) create_locale_info_from_user_locale: I18N_LOCALE_INFO -- fill in feature -- Do the work through the power of agents translate_picture_string (in: STRING_32; is_code_character: FUNCTION [CHARACTER_32, BOOLEAN]; process_code: FUNCTION [STRING_32, STRING_32]): STRING_32 -- Transforms an NLS "date format picture string" into somthing suitable for I18N_FORMAT_STRING -- An NLS format string is a sequence of format codes, spaces and user strings -- (between single quotes). Anything else we ignore. -- Oh yes: two single quotes -> one quote in result. -- (from I18N_NLS_PICTURE_TOOLS) require -- from I18N_NLS_PICTURE_TOOLS is_code_character_not_void: is_code_character /= Void process_code_not_void: process_code /= Void input_not_void: in /= Void feature -- Helper functions is_date_code_character (c: CHARACTER_32): BOOLEAN -- (from I18N_NLS_PICTURE_TOOLS) is_time_code_character (c: CHARACTER_32): BOOLEAN -- (from I18N_NLS_PICTURE_TOOLS) process_date_code (code: STRING_32): STRING_32 -- Transforms a format code. -- (from I18N_NLS_PICTURE_TOOLS) require -- from I18N_NLS_PICTURE_TOOLS argument_not_void: code /= Void ensure -- from I18N_NLS_PICTURE_TOOLS result_not_void: Result /= Void process_time_code (code: STRING_32): STRING_32 -- Transforms a time format code. -- (from I18N_NLS_PICTURE_TOOLS) require -- from I18N_NLS_PICTURE_TOOLS argument_not_void: code /= Void ensure -- from I18N_NLS_PICTURE_TOOLS result_not_void: Result /= Void feature -- Information available_locales: LINEAR [I18N_LOCALE_ID] -- All supported locales on the system ensure -- from I18N_HOST_LOCALE result_exists: Result /= Void default_locale_id: I18N_LOCALE_ID is_available (a_locale_id: I18N_LOCALE_ID): BOOLEAN require -- from I18N_HOST_LOCALE a_locale_id_exists: a_locale_id /= Void system_locale_id: I18N_LOCALE_ID feature -- Interface translate_date_format (in: STRING_32): STRING_32 -- (from I18N_NLS_PICTURE_TOOLS) require -- from I18N_NLS_PICTURE_TOOLS in_not_null: in /= Void translate_time_format (in: STRING_32): STRING_32 -- (from I18N_NLS_PICTURE_TOOLS) require -- from I18N_NLS_PICTURE_TOOLS in_not_null: in /= Void 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 feature -- Shared object Lcid_tools: I18N_NLS_LCID_TOOLS -- (from SHARED_I18N_NLS_LCID_TOOLS) Nls_constants: I18N_NLS_LC_CTYPE_CONSTANTS -- (from SHARED_I18N_NLS_LC_CTYPE_CONSTANTS) invariant -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note library: "Internationalization library" copyright: "Copyright (c) 1984-2014, 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 I18N_HOST_LOCALE_IMP
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