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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ada/] [a-stwisu.ads] - Rev 826

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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUN-TIME COMPONENTS                         --
--                                                                          --
--       A D A . S T R I N G S .  W I D E _ S U P E R B O U N D E D         --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--          Copyright (C) 2003-2009, 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.      --
--                                                                          --
------------------------------------------------------------------------------
 
--  This non generic package contains most of the implementation of the
--  generic package Ada.Strings.Wide_Bounded.Generic_Bounded_Length.
 
--  It defines type Super_String as a discriminated record with the maximum
--  length as the discriminant. Individual instantiations of the package
--  Strings.Wide_Bounded.Generic_Bounded_Length use this type with
--  an appropriate discriminant value set.
 
with Ada.Strings.Wide_Maps;
 
package Ada.Strings.Wide_Superbounded is
   pragma Preelaborate;
 
   Wide_NUL : constant Wide_Character := Wide_Character'Val (0);
 
   type Super_String (Max_Length : Positive) is record
      Current_Length : Natural := 0;
      Data           : Wide_String (1 .. Max_Length) := (others => Wide_NUL);
   end record;
   --  Ada.Strings.Wide_Bounded.Generic_Bounded_Length.Wide_Bounded_String is
   --  derived from this type, with the constraint of the maximum length.
 
   --  The subprograms defined for Super_String are similar to those defined
   --  for Bounded_Wide_String, except that they have different names, so that
   --  they can be renamed in Ada.Strings.Wide_Bounded.Generic_Bounded_Length.
 
   function Super_Length (Source : Super_String) return Natural;
 
   --------------------------------------------------------
   -- Conversion, Concatenation, and Selection Functions --
   --------------------------------------------------------
 
   function To_Super_String
     (Source     : Wide_String;
      Max_Length : Natural;
      Drop       : Truncation := Error) return Super_String;
   --  Note the additional parameter Max_Length, which specifies the maximum
   --  length setting of the resulting Super_String value.
 
   --  The following procedures have declarations (and semantics) that are
   --  exactly analogous to those declared in Ada.Strings.Wide_Bounded.
 
   function Super_To_String (Source : Super_String) return Wide_String;
 
   procedure Set_Super_String
     (Target : out Super_String;
      Source : Wide_String;
      Drop   : Truncation := Error);
 
   function Super_Append
     (Left  : Super_String;
      Right : Super_String;
      Drop  : Truncation := Error) return Super_String;
 
   function Super_Append
     (Left  : Super_String;
      Right : Wide_String;
      Drop  : Truncation := Error) return Super_String;
 
   function Super_Append
     (Left  : Wide_String;
      Right : Super_String;
      Drop  : Truncation := Error) return Super_String;
 
   function Super_Append
     (Left  : Super_String;
      Right : Wide_Character;
      Drop  : Truncation := Error) return Super_String;
 
   function Super_Append
     (Left  : Wide_Character;
      Right : Super_String;
      Drop  : Truncation := Error) return Super_String;
 
   procedure Super_Append
     (Source   : in out Super_String;
      New_Item : Super_String;
      Drop     : Truncation := Error);
 
   procedure Super_Append
     (Source   : in out Super_String;
      New_Item : Wide_String;
      Drop     : Truncation := Error);
 
   procedure Super_Append
     (Source   : in out Super_String;
      New_Item : Wide_Character;
      Drop     : Truncation := Error);
 
   function Concat
     (Left  : Super_String;
      Right : Super_String) return Super_String;
 
   function Concat
     (Left  : Super_String;
      Right : Wide_String) return Super_String;
 
   function Concat
     (Left  : Wide_String;
      Right : Super_String) return Super_String;
 
   function Concat
     (Left  : Super_String;
      Right : Wide_Character) return Super_String;
 
   function Concat
     (Left  : Wide_Character;
      Right : Super_String) return Super_String;
 
   function Super_Element
     (Source : Super_String;
      Index  : Positive) return Wide_Character;
 
   procedure Super_Replace_Element
     (Source : in out Super_String;
      Index  : Positive;
      By     : Wide_Character);
 
   function Super_Slice
     (Source : Super_String;
      Low    : Positive;
      High   : Natural) return Wide_String;
 
   function Super_Slice
     (Source : Super_String;
      Low    : Positive;
      High   : Natural) return Super_String;
 
   procedure Super_Slice
     (Source : Super_String;
      Target : out Super_String;
      Low    : Positive;
      High   : Natural);
 
   function "="
     (Left  : Super_String;
      Right : Super_String) return Boolean;
 
   function Equal
     (Left  : Super_String;
      Right : Super_String) return Boolean renames "=";
 
   function Equal
     (Left  : Super_String;
      Right : Wide_String) return Boolean;
 
   function Equal
     (Left  : Wide_String;
      Right : Super_String) return Boolean;
 
   function Less
     (Left  : Super_String;
      Right : Super_String) return Boolean;
 
   function Less
     (Left  : Super_String;
      Right : Wide_String) return Boolean;
 
   function Less
     (Left  : Wide_String;
      Right : Super_String) return Boolean;
 
   function Less_Or_Equal
     (Left  : Super_String;
      Right : Super_String) return Boolean;
 
   function Less_Or_Equal
     (Left  : Super_String;
      Right : Wide_String) return Boolean;
 
   function Less_Or_Equal
     (Left  : Wide_String;
      Right : Super_String) return Boolean;
 
   function Greater
     (Left  : Super_String;
      Right : Super_String) return Boolean;
 
   function Greater
     (Left  : Super_String;
      Right : Wide_String) return Boolean;
 
   function Greater
     (Left  : Wide_String;
      Right : Super_String) return Boolean;
 
   function Greater_Or_Equal
     (Left  : Super_String;
      Right : Super_String) return Boolean;
 
   function Greater_Or_Equal
     (Left  : Super_String;
      Right : Wide_String) return Boolean;
 
   function Greater_Or_Equal
     (Left  : Wide_String;
      Right : Super_String) return Boolean;
 
   ----------------------
   -- Search Functions --
   ----------------------
 
   function Super_Index
     (Source  : Super_String;
      Pattern : Wide_String;
      Going   : Direction := Forward;
      Mapping : Wide_Maps.Wide_Character_Mapping := Wide_Maps.Identity)
      return Natural;
 
   function Super_Index
     (Source  : Super_String;
      Pattern : Wide_String;
      Going   : Direction := Forward;
      Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Natural;
 
   function Super_Index
     (Source : Super_String;
      Set    : Wide_Maps.Wide_Character_Set;
      Test   : Membership := Inside;
      Going  : Direction  := Forward) return Natural;
 
   function Super_Index
     (Source  : Super_String;
      Pattern : Wide_String;
      From    : Positive;
      Going   : Direction := Forward;
      Mapping : Wide_Maps.Wide_Character_Mapping := Wide_Maps.Identity)
      return Natural;
 
   function Super_Index
     (Source  : Super_String;
      Pattern : Wide_String;
      From    : Positive;
      Going   : Direction := Forward;
      Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Natural;
 
   function Super_Index
     (Source : Super_String;
      Set    : Wide_Maps.Wide_Character_Set;
      From   : Positive;
      Test   : Membership := Inside;
      Going  : Direction := Forward) return Natural;
 
   function Super_Index_Non_Blank
     (Source : Super_String;
      Going  : Direction := Forward) return Natural;
 
   function Super_Index_Non_Blank
     (Source : Super_String;
      From   : Positive;
      Going  : Direction := Forward) return Natural;
 
   function Super_Count
     (Source  : Super_String;
      Pattern : Wide_String;
      Mapping : Wide_Maps.Wide_Character_Mapping := Wide_Maps.Identity)
      return Natural;
 
   function Super_Count
     (Source  : Super_String;
      Pattern : Wide_String;
      Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Natural;
 
   function Super_Count
     (Source : Super_String;
      Set    : Wide_Maps.Wide_Character_Set) return Natural;
 
   procedure Super_Find_Token
     (Source : Super_String;
      Set    : Wide_Maps.Wide_Character_Set;
      Test   : Membership;
      First  : out Positive;
      Last   : out Natural);
 
   ------------------------------------
   -- String Translation Subprograms --
   ------------------------------------
 
   function Super_Translate
     (Source  : Super_String;
      Mapping : Wide_Maps.Wide_Character_Mapping) return Super_String;
 
   procedure Super_Translate
     (Source   : in out Super_String;
      Mapping  : Wide_Maps.Wide_Character_Mapping);
 
   function Super_Translate
     (Source  : Super_String;
      Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Super_String;
 
   procedure Super_Translate
     (Source  : in out Super_String;
      Mapping : Wide_Maps.Wide_Character_Mapping_Function);
 
   ---------------------------------------
   -- String Transformation Subprograms --
   ---------------------------------------
 
   function Super_Replace_Slice
     (Source : Super_String;
      Low    : Positive;
      High   : Natural;
      By     : Wide_String;
      Drop   : Truncation := Error) return Super_String;
 
   procedure Super_Replace_Slice
     (Source  : in out Super_String;
      Low     : Positive;
      High    : Natural;
      By      : Wide_String;
      Drop    : Truncation := Error);
 
   function Super_Insert
     (Source   : Super_String;
      Before   : Positive;
      New_Item : Wide_String;
      Drop     : Truncation := Error) return Super_String;
 
   procedure Super_Insert
     (Source   : in out Super_String;
      Before   : Positive;
      New_Item : Wide_String;
      Drop     : Truncation := Error);
 
   function Super_Overwrite
     (Source   : Super_String;
      Position : Positive;
      New_Item : Wide_String;
      Drop     : Truncation := Error) return Super_String;
 
   procedure Super_Overwrite
     (Source    : in out Super_String;
      Position  : Positive;
      New_Item  : Wide_String;
      Drop      : Truncation := Error);
 
   function Super_Delete
     (Source  : Super_String;
      From    : Positive;
      Through : Natural) return Super_String;
 
   procedure Super_Delete
     (Source  : in out Super_String;
      From    : Positive;
      Through : Natural);
 
   ---------------------------------
   -- String Selector Subprograms --
   ---------------------------------
 
   function Super_Trim
     (Source : Super_String;
      Side   : Trim_End) return Super_String;
 
   procedure Super_Trim
     (Source : in out Super_String;
      Side   : Trim_End);
 
   function Super_Trim
     (Source : Super_String;
      Left   : Wide_Maps.Wide_Character_Set;
      Right  : Wide_Maps.Wide_Character_Set) return Super_String;
 
   procedure Super_Trim
     (Source : in out Super_String;
      Left   : Wide_Maps.Wide_Character_Set;
      Right  : Wide_Maps.Wide_Character_Set);
 
   function Super_Head
     (Source : Super_String;
      Count  : Natural;
      Pad    : Wide_Character := Wide_Space;
      Drop   : Truncation := Error) return Super_String;
 
   procedure Super_Head
     (Source : in out Super_String;
      Count  : Natural;
      Pad    : Wide_Character := Wide_Space;
      Drop   : Truncation := Error);
 
   function Super_Tail
     (Source : Super_String;
      Count  : Natural;
      Pad    : Wide_Character := Wide_Space;
      Drop   : Truncation := Error) return Super_String;
 
   procedure Super_Tail
     (Source : in out Super_String;
      Count  : Natural;
      Pad    : Wide_Character := Wide_Space;
      Drop   : Truncation := Error);
 
   ------------------------------------
   -- String Constructor Subprograms --
   ------------------------------------
 
   --  Note: in some of the following routines, there is an extra parameter
   --  Max_Length which specifies the value of the maximum length for the
   --  resulting Super_String value.
 
   function Times
     (Left       : Natural;
      Right      : Wide_Character;
      Max_Length : Positive) return Super_String;
   --  Note the additional parameter Max_Length
 
   function Times
     (Left       : Natural;
      Right      : Wide_String;
      Max_Length : Positive) return Super_String;
   --  Note the additional parameter Max_Length
 
   function Times
     (Left  : Natural;
      Right : Super_String) return Super_String;
 
   function Super_Replicate
     (Count      : Natural;
      Item       : Wide_Character;
      Drop       : Truncation := Error;
      Max_Length : Positive) return Super_String;
   --  Note the additional parameter Max_Length
 
   function Super_Replicate
     (Count      : Natural;
      Item       : Wide_String;
      Drop       : Truncation := Error;
      Max_Length : Positive) return Super_String;
   --  Note the additional parameter Max_Length
 
   function Super_Replicate
     (Count : Natural;
      Item  : Super_String;
      Drop  : Truncation := Error) return Super_String;
 
private
      --  Pragma Inline declarations
 
      pragma Inline ("=");
      pragma Inline (Less);
      pragma Inline (Less_Or_Equal);
      pragma Inline (Greater);
      pragma Inline (Greater_Or_Equal);
      pragma Inline (Concat);
      pragma Inline (Super_Count);
      pragma Inline (Super_Element);
      pragma Inline (Super_Find_Token);
      pragma Inline (Super_Index);
      pragma Inline (Super_Index_Non_Blank);
      pragma Inline (Super_Length);
      pragma Inline (Super_Replace_Element);
      pragma Inline (Super_Slice);
      pragma Inline (Super_To_String);
 
end Ada.Strings.Wide_Superbounded;
 

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