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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- A D A . L O C A L E S --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 2010-2019, Free Software Foundation, Inc. --
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10 -- --
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11 -- This specification is derived from the Ada Reference Manual for use with --
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12 -- GNAT. In accordance with the copyright of that document, you can freely --
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13 -- copy and modify this specification, provided that if you redistribute a --
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14 -- modified version, any changes that you have made are clearly indicated. --
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15 -- --
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16 ------------------------------------------------------------------------------
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17
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18 package Ada.Locales is
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19 pragma Preelaborate (Locales);
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20 pragma Remote_Types (Locales);
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21
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22 -- A locale identifies a geopolitical place or region and its associated
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23 -- language, which can be used to determine other internationalization-
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24 -- related characteristics. The active locale is the locale associated with
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25 -- the partition of the current task.
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26
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27 type Language_Code is new String (1 .. 3)
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28 with Dynamic_Predicate =>
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29 (for all E of Language_Code => E in 'a' .. 'z');
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30 -- Lower-case string representation of an ISO 639-3 alpha-3 code that
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31 -- identifies a language.
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32
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33 type Country_Code is new String (1 .. 2)
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34 with Dynamic_Predicate =>
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35 (for all E of Country_Code => E in 'A' .. 'Z');
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36 -- Upper-case string representation of an ISO 3166-1 alpha-2 code that
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37 -- identifies a country.
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38
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39 Language_Unknown : constant Language_Code := "und";
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40 Country_Unknown : constant Country_Code := "ZZ";
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41
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42 function Language return Language_Code;
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43 -- Returns the code of the language associated with the active locale. If
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44 -- the Language_Code associated with the active locale cannot be determined
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45 -- from the environment, then Language returns Language_Unknown.
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46
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47 function Country return Country_Code;
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48 -- Returns the code of the country associated with the active locale. If
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49 -- the Country_Code associated with the active locale cannot be determined
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50 -- from the environment, then Country returns Country_Unknown.
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51
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52 end Ada.Locales;
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