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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . W W D _ E N U M -- -- -- -- B o d y -- -- -- -- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- <http://www.gnu.org/licenses/>. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with System.WCh_StW; use System.WCh_StW; with System.WCh_Con; use System.WCh_Con; with Ada.Unchecked_Conversion; package body System.WWd_Enum is ----------------------------------- -- Wide_Wide_Width_Enumeration_8 -- ----------------------------------- function Wide_Wide_Width_Enumeration_8 (Names : String; Indexes : System.Address; Lo, Hi : Natural; EM : WC_Encoding_Method) return Natural is W : Natural; type Natural_8 is range 0 .. 2 ** 7 - 1; type Index_Table is array (Natural) of Natural_8; type Index_Table_Ptr is access Index_Table; function To_Index_Table_Ptr is new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr); IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes); begin W := 0; for J in Lo .. Hi loop declare S : constant String := Names (Natural (IndexesT (J)) .. Natural (IndexesT (J + 1)) - 1); WS : Wide_Wide_String (1 .. S'Length); L : Natural; begin String_To_Wide_Wide_String (S, WS, L, EM); W := Natural'Max (W, L); end; end loop; return W; end Wide_Wide_Width_Enumeration_8; ------------------------------------ -- Wide_Wide_Width_Enumeration_16 -- ------------------------------------ function Wide_Wide_Width_Enumeration_16 (Names : String; Indexes : System.Address; Lo, Hi : Natural; EM : WC_Encoding_Method) return Natural is W : Natural; type Natural_16 is range 0 .. 2 ** 15 - 1; type Index_Table is array (Natural) of Natural_16; type Index_Table_Ptr is access Index_Table; function To_Index_Table_Ptr is new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr); IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes); begin W := 0; for J in Lo .. Hi loop declare S : constant String := Names (Natural (IndexesT (J)) .. Natural (IndexesT (J + 1)) - 1); WS : Wide_Wide_String (1 .. S'Length); L : Natural; begin String_To_Wide_Wide_String (S, WS, L, EM); W := Natural'Max (W, L); end; end loop; return W; end Wide_Wide_Width_Enumeration_16; ------------------------------------ -- Wide_Wide_Width_Enumeration_32 -- ------------------------------------ function Wide_Wide_Width_Enumeration_32 (Names : String; Indexes : System.Address; Lo, Hi : Natural; EM : WC_Encoding_Method) return Natural is W : Natural; type Natural_32 is range 0 .. 2 ** 31 - 1; type Index_Table is array (Natural) of Natural_32; type Index_Table_Ptr is access Index_Table; function To_Index_Table_Ptr is new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr); IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes); begin W := 0; for J in Lo .. Hi loop declare S : constant String := Names (Natural (IndexesT (J)) .. Natural (IndexesT (J + 1)) - 1); WS : Wide_Wide_String (1 .. S'Length); L : Natural; begin String_To_Wide_Wide_String (S, WS, L, EM); W := Natural'Max (W, L); end; end loop; return W; end Wide_Wide_Width_Enumeration_32; ------------------------------ -- Wide_Width_Enumeration_8 -- ------------------------------ function Wide_Width_Enumeration_8 (Names : String; Indexes : System.Address; Lo, Hi : Natural; EM : WC_Encoding_Method) return Natural is W : Natural; type Natural_8 is range 0 .. 2 ** 7 - 1; type Index_Table is array (Natural) of Natural_8; type Index_Table_Ptr is access Index_Table; function To_Index_Table_Ptr is new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr); IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes); begin W := 0; for J in Lo .. Hi loop declare S : constant String := Names (Natural (IndexesT (J)) .. Natural (IndexesT (J + 1)) - 1); WS : Wide_String (1 .. S'Length); L : Natural; begin String_To_Wide_String (S, WS, L, EM); W := Natural'Max (W, L); end; end loop; return W; end Wide_Width_Enumeration_8; ------------------------------- -- Wide_Width_Enumeration_16 -- ------------------------------- function Wide_Width_Enumeration_16 (Names : String; Indexes : System.Address; Lo, Hi : Natural; EM : WC_Encoding_Method) return Natural is W : Natural; type Natural_16 is range 0 .. 2 ** 15 - 1; type Index_Table is array (Natural) of Natural_16; type Index_Table_Ptr is access Index_Table; function To_Index_Table_Ptr is new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr); IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes); begin W := 0; for J in Lo .. Hi loop declare S : constant String := Names (Natural (IndexesT (J)) .. Natural (IndexesT (J + 1)) - 1); WS : Wide_String (1 .. S'Length); L : Natural; begin String_To_Wide_String (S, WS, L, EM); W := Natural'Max (W, L); end; end loop; return W; end Wide_Width_Enumeration_16; ------------------------------- -- Wide_Width_Enumeration_32 -- ------------------------------- function Wide_Width_Enumeration_32 (Names : String; Indexes : System.Address; Lo, Hi : Natural; EM : WC_Encoding_Method) return Natural is W : Natural; type Natural_32 is range 0 .. 2 ** 31 - 1; type Index_Table is array (Natural) of Natural_32; type Index_Table_Ptr is access Index_Table; function To_Index_Table_Ptr is new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr); IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes); begin W := 0; for J in Lo .. Hi loop declare S : constant String := Names (Natural (IndexesT (J)) .. Natural (IndexesT (J + 1)) - 1); WS : Wide_String (1 .. S'Length); L : Natural; begin String_To_Wide_String (S, WS, L, EM); W := Natural'Max (W, L); end; end loop; return W; end Wide_Width_Enumeration_32; end System.WWd_Enum;