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note description: "Identifies a given locale and optionally it's script (sometimes a locale has multiple scripts)." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2013-01-20 15:43:33 -0900 (Sun, 20 Jan 2013) $" revision: "$Revision: 90744 $" class interface I18N_LOCALE_ID create make (a_language, a_region: READABLE_STRING_GENERAL; a_script: detachable READABLE_STRING_GENERAL) -- Initialize locale id. -- -- a_language: Language of locale, e.g. 'en' -- a_region: Region of locale, e.g. 'us' -- a_script: An optional parameter for the locale, e.g. 'Latn' for latin script require language_not_void: a_language /= Void region_not_void: a_region /= Void ensure language_set: language.same_string_general (a_language) region_set: region.same_string_general (a_region) script_set: a_script /= Void implies (attached script as l_script and then l_script.same_string_general (a_script)) make_from_string (identifier: READABLE_STRING_GENERAL) -- Initialize locale id with identifier. -- -- There are several ways this identifier could look -- Case 1: LL-RR -- Case 2: LL-SS-RR -- Case 3: LL_RR -- Case 4: LL_RR.Enc -- Case 5: LL_RR@SS  [sometimes the SS is simply variant information] -- Case 6: LL_RR.Enc@SS -- LL is a two-letter language identifier from ISO 639-1 or, if there is none, a three-letter -- identifier from ISO 639-2/T -- RR is a two-letter country coding from ISO 3166-1, except when it is not (en-029 ('English (Carribean)') under Windows) -- SS under windows is mostly either 'Latn' or 'Cyrl'. @SS on linux is sometimes useful and sometimes meaningless --  ('@euro' variants seem to have no difference) -- Enc is ignored -- -- identifier: An identifier in one of the recognised formats require identifier_not_void: identifier /= Void ensure language_set: language /= Void region_set: region /= Void feature -- Access full_name: STRING_32 -- `name` plus encoding generating_type: TYPE [detachable I18N_LOCALE_ID] -- 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 hash_code: INTEGER_32 -- Hash code value ensure -- from HASHABLE good_hash_value: Result >= 0 language: STRING_32 -- Language of locale id language_id: I18N_LANGUAGE_ID -- Language ID corresponding to current locale id ensure language_id_not_void: Result /= Void name: STRING_32 -- Full locale id of the form LL_RR@SS -- where LL is language code, -- RR is region code and -- SS is optional script region: STRING_32 -- Region of locale id script: detachable STRING_32 -- Script of locale id (optional) 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_LOCALE_ID): 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: like Current): BOOLEAN -- Is other attached to an object considered -- equal to current object? 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_LOCALE_ID): 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 is_hashable: BOOLEAN -- May current object be hashed? -- (True by default.) -- (from HASHABLE) 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_LOCALE_ID) -- 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_LOCALE_ID) -- 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_LOCALE_ID -- 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_LOCALE_ID) -- 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_LOCALE_ID -- 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_LOCALE_ID -- 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_LOCALE_ID -- 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 name_not_void: name /= Void name_not_void: full_name /= Void language_not_void: language /= Void region_not_void: region /= Void -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note library: "Internationalization library" copyright: "Copyright (c) 1984-2009, 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_LOCALE_ID
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