File: LocaleBase.sml

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(*
    Copyright (c) 2001, 2015
        David C.J. Matthews

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License version 2.1 as published by the Free Software Foundation.
    
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
    
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*)

structure LocaleBase =
struct
    local
        open Foreign Base
    in
        datatype PrimaryLanguage =
            LANG_AFRIKAANS | LANG_ICELANDIC | LANG_ALBANIAN | LANG_INDONESIAN 
          | LANG_ARABIC | LANG_ITALIAN  | LANG_BASQUE | LANG_JAPANESE 
          | LANG_BELARUSIAN | LANG_KOREAN | LANG_BULGARIAN | LANG_LATVIAN 
          | LANG_CATALAN | LANG_LITHUANIAN | LANG_CHINESE | LANG_NEUTRAL 
          | LANG_CROATIAN | LANG_NORWEGIAN | LANG_CZECH | LANG_POLISH 
          | LANG_DANISH | LANG_PORTUGUESE  | LANG_DUTCH | LANG_ROMANIAN 
          | LANG_ENGLISH | LANG_RUSSIAN | LANG_ESTONIAN | LANG_SERBIAN 
          | LANG_FAEROESE | LANG_SLOVAK | LANG_FARSI | LANG_SLOVENIAN 
          | LANG_FINNISH | LANG_SPANISH | LANG_FRENCH | LANG_SWEDISH 
          | LANG_GERMAN | LANG_THAI | LANG_GREEK | LANG_TURKISH 
          | LANG_HEBREW | LANG_UKRANIAN | LANG_HUNGARIAN | LANG_VIETNAMESE

        datatype SubLanguage =
            SUBLANG_ARABIC_SAUDI_ARABIA | SUBLANG_GERMAN 
         | SUBLANG_ARABIC_IRAQ | SUBLANG_GERMAN_SWISS 
         | SUBLANG_ARABIC_EGYPT | SUBLANG_GERMAN_AUSTRIAN 
         | SUBLANG_ARABIC_LIBYA | SUBLANG_GERMAN_LUXEMBOURG 
         | SUBLANG_ARABIC_ALGERIA | SUBLANG_GERMAN_LIECHTENSTEIN 
         | SUBLANG_ARABIC_MOROCCO | SUBLANG_ITALIAN 
         | SUBLANG_ARABIC_TUNISIA | SUBLANG_ITALIAN_SWISS 
         | SUBLANG_ARABIC_OMAN | SUBLANG_KOREAN 
         | SUBLANG_ARABIC_YEMEN | SUBLANG_KOREAN_JOHAB 
         | SUBLANG_ARABIC_SYRIA | SUBLANG_NEUTRAL 
         | SUBLANG_ARABIC_JORDAN | SUBLANG_NORWEGIAN_BOKMAL 
         | SUBLANG_ARABIC_LEBANON | SUBLANG_NORWEGIAN_NYNORSK 
         | SUBLANG_ARABIC_KUWAIT | SUBLANG_PORTUGUESE 
         | SUBLANG_ARABIC_UAE | SUBLANG_PORTUGUESE_BRAZILIAN 
         | SUBLANG_ARABIC_BAHRAIN | SUBLANG_SERBIAN_LATIN 
         | SUBLANG_ARABIC_QATAR | SUBLANG_SERBIAN_CYRILLIC 
         | SUBLANG_CHINESE_TRADITIONAL | SUBLANG_SPANISH 
         | SUBLANG_CHINESE_SIMPLIFIED | SUBLANG_SPANISH_MEXICAN 
         | SUBLANG_CHINESE_HONGKONG | SUBLANG_SPANISH_MODERN 
         | SUBLANG_CHINESE_SINGAPORE | SUBLANG_SPANISH_GUATEMALA 
         | SUBLANG_DEFAULT | SUBLANG_SPANISH_COSTA_RICA 
         | SUBLANG_DUTCH | SUBLANG_SPANISH_PANAMA 
         | SUBLANG_DUTCH_BELGIAN | SUBLANG_SPANISH_DOMINICAN_REPUBLIC 
         | SUBLANG_ENGLISH_US | SUBLANG_SPANISH_VENEZUELA 
         | SUBLANG_ENGLISH_UK | SUBLANG_SPANISH_COLOMBIA 
         | SUBLANG_ENGLISH_AUS | SUBLANG_SPANISH_PERU 
         | SUBLANG_ENGLISH_CAN | SUBLANG_SPANISH_ARGENTINA 
         | SUBLANG_ENGLISH_NZ | SUBLANG_SPANISH_ECUADOR 
         | SUBLANG_ENGLISH_EIRE | SUBLANG_SPANISH_CHILE 
         | SUBLANG_ENGLISH_SOUTH_AFRICA | SUBLANG_SPANISH_URUGUAY 
         | SUBLANG_ENGLISH_JAMAICA | SUBLANG_SPANISH_PARAGUAY 
         | SUBLANG_ENGLISH_CARIBBEAN | SUBLANG_SPANISH_BOLIVIA 
         | SUBLANG_ENGLISH_BELIZE | SUBLANG_SPANISH_EL_SALVADOR 
         | SUBLANG_ENGLISH_TRINIDAD | SUBLANG_SPANISH_HONDURAS 
         | SUBLANG_FRENCH | SUBLANG_SPANISH_NICARAGUA 
         | SUBLANG_FRENCH_BELGIAN | SUBLANG_SPANISH_PUERTO_RICO 
         | SUBLANG_FRENCH_CANADIAN | SUBLANG_SWEDISH 
         | SUBLANG_FRENCH_SWISS | SUBLANG_SWEDISH_FINLAND 
         | SUBLANG_FRENCH_LUXEMBOURG | SUBLANG_SYS_DEFAULT 

        local
            val tab = [
            (LANG_NEUTRAL, 0x00),
            (LANG_AFRIKAANS, 0x36),
            (LANG_ALBANIAN, 0x1c),
            (LANG_ARABIC, 0x01),
            (LANG_BASQUE, 0x2d),
            (LANG_BELARUSIAN, 0x23),
            (LANG_BULGARIAN, 0x02),
            (LANG_CATALAN, 0x03),
            (LANG_CHINESE, 0x04),
            (LANG_CROATIAN, 0x1a),
            (LANG_CZECH, 0x05),
            (LANG_DANISH, 0x06),
            (LANG_DUTCH, 0x13),
            (LANG_ENGLISH, 0x09),
            (LANG_ESTONIAN, 0x25),
            (LANG_FAEROESE, 0x38),
            (LANG_FARSI, 0x29),
            (LANG_FINNISH, 0x0b),
            (LANG_FRENCH, 0x0c),
            (LANG_GERMAN, 0x07),
            (LANG_GREEK, 0x08),
            (LANG_HEBREW, 0x0d),
            (LANG_HUNGARIAN, 0x0e),
            (LANG_ICELANDIC, 0x0f),
            (LANG_INDONESIAN, 0x21),
            (LANG_ITALIAN, 0x10),
            (LANG_JAPANESE, 0x11),
            (LANG_KOREAN, 0x12),
            (LANG_LATVIAN, 0x26),
            (LANG_LITHUANIAN, 0x27),
            (LANG_NORWEGIAN, 0x14),
            (LANG_POLISH, 0x15),
            (LANG_PORTUGUESE, 0x16),
            (LANG_ROMANIAN, 0x18),
            (LANG_RUSSIAN, 0x19),
            (LANG_SERBIAN, 0x1a),
            (LANG_SLOVAK, 0x1b),
            (LANG_SLOVENIAN, 0x24),
            (LANG_SPANISH, 0x0a),
            (LANG_SWEDISH, 0x1d),
            (LANG_THAI, 0x1e),
            (LANG_TURKISH, 0x1f),
            (LANG_UKRANIAN, 0x22),
            (LANG_VIETNAMESE, 0x2a)]
        in
            val (fromPrim, toPrim) = tableLookup(tab, NONE)
        end

        local
            val tab = [
            (SUBLANG_NEUTRAL, 0x00),
            (SUBLANG_DEFAULT, 0x01),
            (SUBLANG_SYS_DEFAULT, 0x02),
            (SUBLANG_ARABIC_SAUDI_ARABIA, 0x01),
            (SUBLANG_ARABIC_IRAQ, 0x02),
            (SUBLANG_ARABIC_EGYPT, 0x03),
            (SUBLANG_ARABIC_LIBYA, 0x04),
            (SUBLANG_ARABIC_ALGERIA, 0x05),
            (SUBLANG_ARABIC_MOROCCO, 0x06),
            (SUBLANG_ARABIC_TUNISIA, 0x07),
            (SUBLANG_ARABIC_OMAN, 0x08),
            (SUBLANG_ARABIC_YEMEN, 0x09),
            (SUBLANG_ARABIC_SYRIA, 0x0a),
            (SUBLANG_ARABIC_JORDAN, 0x0b),
            (SUBLANG_ARABIC_LEBANON, 0x0c),
            (SUBLANG_ARABIC_KUWAIT, 0x0d),
            (SUBLANG_ARABIC_UAE, 0x0e),
            (SUBLANG_ARABIC_BAHRAIN, 0x0f),
            (SUBLANG_ARABIC_QATAR, 0x10),
            (SUBLANG_CHINESE_TRADITIONAL, 0x01),
            (SUBLANG_CHINESE_SIMPLIFIED, 0x02),
            (SUBLANG_CHINESE_HONGKONG, 0x03),
            (SUBLANG_CHINESE_SINGAPORE, 0x04),
            (SUBLANG_DUTCH, 0x01),
            (SUBLANG_DUTCH_BELGIAN, 0x02),
            (SUBLANG_ENGLISH_US, 0x01),
            (SUBLANG_ENGLISH_UK, 0x02),
            (SUBLANG_ENGLISH_AUS, 0x03),
            (SUBLANG_ENGLISH_CAN, 0x04),
            (SUBLANG_ENGLISH_NZ, 0x05),
            (SUBLANG_ENGLISH_EIRE, 0x06),
            (SUBLANG_ENGLISH_SOUTH_AFRICA, 0x07),
            (SUBLANG_ENGLISH_JAMAICA, 0x08),
            (SUBLANG_ENGLISH_CARIBBEAN, 0x09),
            (SUBLANG_ENGLISH_BELIZE, 0x0a),
            (SUBLANG_ENGLISH_TRINIDAD, 0x0b),
            (SUBLANG_FRENCH, 0x01),
            (SUBLANG_FRENCH_BELGIAN, 0x02),
            (SUBLANG_FRENCH_CANADIAN, 0x03),
            (SUBLANG_FRENCH_SWISS, 0x04),
            (SUBLANG_FRENCH_LUXEMBOURG, 0x05),
            (SUBLANG_GERMAN, 0x01),
            (SUBLANG_GERMAN_SWISS, 0x02),
            (SUBLANG_GERMAN_AUSTRIAN, 0x03),
            (SUBLANG_GERMAN_LUXEMBOURG, 0x04),
            (SUBLANG_GERMAN_LIECHTENSTEIN, 0x05),
            (SUBLANG_ITALIAN, 0x01),
            (SUBLANG_ITALIAN_SWISS, 0x02),
            (SUBLANG_KOREAN, 0x01),
            (SUBLANG_KOREAN_JOHAB, 0x02),
            (SUBLANG_NORWEGIAN_BOKMAL, 0x01),
            (SUBLANG_NORWEGIAN_NYNORSK, 0x02),
            (SUBLANG_PORTUGUESE, 0x02),
            (SUBLANG_PORTUGUESE_BRAZILIAN, 0x01),
            (SUBLANG_SERBIAN_LATIN, 0x02),
            (SUBLANG_SERBIAN_CYRILLIC, 0x03),
            (SUBLANG_SPANISH, 0x01),
            (SUBLANG_SPANISH_MEXICAN, 0x02),
            (SUBLANG_SPANISH_MODERN, 0x03),
            (SUBLANG_SPANISH_GUATEMALA, 0x04),
            (SUBLANG_SPANISH_COSTA_RICA, 0x05),
            (SUBLANG_SPANISH_PANAMA, 0x06),
            (SUBLANG_SPANISH_DOMINICAN_REPUBLIC, 0x07),
            (SUBLANG_SPANISH_VENEZUELA, 0x08),
            (SUBLANG_SPANISH_COLOMBIA, 0x09),
            (SUBLANG_SPANISH_PERU, 0x0a),
            (SUBLANG_SPANISH_ARGENTINA, 0x0b),
            (SUBLANG_SPANISH_ECUADOR, 0x0c),
            (SUBLANG_SPANISH_CHILE, 0x0d),
            (SUBLANG_SPANISH_URUGUAY, 0x0e),
            (SUBLANG_SPANISH_PARAGUAY, 0x0f),
            (SUBLANG_SPANISH_BOLIVIA, 0x10),
            (SUBLANG_SPANISH_EL_SALVADOR, 0x11),
            (SUBLANG_SPANISH_HONDURAS, 0x12),
            (SUBLANG_SPANISH_NICARAGUA, 0x13),
            (SUBLANG_SPANISH_PUERTO_RICO, 0x14),
            (SUBLANG_SWEDISH, 0x01),
            (SUBLANG_SWEDISH_FINLAND, 0x02)]
        in
            val (fromSub, toSub) = tableLookup(tab, NONE)
        end

        datatype LANGID = MAKELANGID of PrimaryLanguage * SubLanguage

        local
            fun fromLANGID(MAKELANGID(prim, sub)) =
                IntInf.orb(fromPrim prim, IntInf.<<(fromSub sub, 0w10))
            (* It seems that GetUserDefaultLangID at least sets the top word
               to something odd so we mask both parts. *)
            fun toLANGID l =
                MAKELANGID(
                    toPrim(IntInf.andb(l, 0x3ff)),
                    toSub(IntInf.andb(IntInf.~>>(l, 0w10), 0x3f))
                )
                
        in
            val LANGID: LANGID conversion = absConversion {abs = toLANGID, rep = fromLANGID} cUshort
        end 
    end
end;