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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- A D A . S T R I N G S . W I D E _ B O U N D E D -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- -- -- -- This specification is derived from the Ada Reference Manual for use with -- -- GNAT. The copyright notice above, and the license provisions that follow -- -- apply solely to the contents of the part following the private keyword. -- -- -- -- 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 Ada.Strings.Wide_Maps; with Ada.Strings.Wide_Superbounded; package Ada.Strings.Wide_Bounded is pragma Preelaborate; generic Max : Positive; -- Maximum length of a Bounded_Wide_String package Generic_Bounded_Length is Max_Length : constant Positive := Max; type Bounded_Wide_String is private; pragma Preelaborable_Initialization (Bounded_Wide_String); Null_Bounded_Wide_String : constant Bounded_Wide_String; subtype Length_Range is Natural range 0 .. Max_Length; function Length (Source : Bounded_Wide_String) return Length_Range; -------------------------------------------------------- -- Conversion, Concatenation, and Selection Functions -- -------------------------------------------------------- function To_Bounded_Wide_String (Source : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; function To_Wide_String (Source : Bounded_Wide_String) return Wide_String; procedure Set_Bounded_Wide_String (Target : out Bounded_Wide_String; Source : Wide_String; Drop : Truncation := Error); pragma Ada_05 (Set_Bounded_Wide_String); function Append (Left : Bounded_Wide_String; Right : Bounded_Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; function Append (Left : Bounded_Wide_String; Right : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; function Append (Left : Wide_String; Right : Bounded_Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; function Append (Left : Bounded_Wide_String; Right : Wide_Character; Drop : Truncation := Error) return Bounded_Wide_String; function Append (Left : Wide_Character; Right : Bounded_Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; procedure Append (Source : in out Bounded_Wide_String; New_Item : Bounded_Wide_String; Drop : Truncation := Error); procedure Append (Source : in out Bounded_Wide_String; New_Item : Wide_String; Drop : Truncation := Error); procedure Append (Source : in out Bounded_Wide_String; New_Item : Wide_Character; Drop : Truncation := Error); function "&" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Bounded_Wide_String; function "&" (Left : Bounded_Wide_String; Right : Wide_String) return Bounded_Wide_String; function "&" (Left : Wide_String; Right : Bounded_Wide_String) return Bounded_Wide_String; function "&" (Left : Bounded_Wide_String; Right : Wide_Character) return Bounded_Wide_String; function "&" (Left : Wide_Character; Right : Bounded_Wide_String) return Bounded_Wide_String; function Element (Source : Bounded_Wide_String; Index : Positive) return Wide_Character; procedure Replace_Element (Source : in out Bounded_Wide_String; Index : Positive; By : Wide_Character); function Slice (Source : Bounded_Wide_String; Low : Positive; High : Natural) return Wide_String; function Bounded_Slice (Source : Bounded_Wide_String; Low : Positive; High : Natural) return Bounded_Wide_String; pragma Ada_05 (Bounded_Slice); procedure Bounded_Slice (Source : Bounded_Wide_String; Target : out Bounded_Wide_String; Low : Positive; High : Natural); pragma Ada_05 (Bounded_Slice); function "=" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean; function "=" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean; function "=" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean; function "<" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean; function "<" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean; function "<" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean; function "<=" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean; function "<=" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean; function "<=" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean; function ">" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean; function ">" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean; function ">" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean; function ">=" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean; function ">=" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean; function ">=" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean; ---------------------- -- Search Functions -- ---------------------- function Index (Source : Bounded_Wide_String; Pattern : Wide_String; Going : Direction := Forward; Mapping : Wide_Maps.Wide_Character_Mapping := Wide_Maps.Identity) return Natural; function Index (Source : Bounded_Wide_String; Pattern : Wide_String; Going : Direction := Forward; Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Natural; function Index (Source : Bounded_Wide_String; Set : Wide_Maps.Wide_Character_Set; Test : Membership := Inside; Going : Direction := Forward) return Natural; function Index (Source : Bounded_Wide_String; Pattern : Wide_String; From : Positive; Going : Direction := Forward; Mapping : Wide_Maps.Wide_Character_Mapping := Wide_Maps.Identity) return Natural; pragma Ada_05 (Index); function Index (Source : Bounded_Wide_String; Pattern : Wide_String; From : Positive; Going : Direction := Forward; Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Natural; pragma Ada_05 (Index); function Index (Source : Bounded_Wide_String; Set : Wide_Maps.Wide_Character_Set; From : Positive; Test : Membership := Inside; Going : Direction := Forward) return Natural; pragma Ada_05 (Index); function Index_Non_Blank (Source : Bounded_Wide_String; Going : Direction := Forward) return Natural; function Index_Non_Blank (Source : Bounded_Wide_String; From : Positive; Going : Direction := Forward) return Natural; pragma Ada_05 (Index_Non_Blank); function Count (Source : Bounded_Wide_String; Pattern : Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping := Wide_Maps.Identity) return Natural; function Count (Source : Bounded_Wide_String; Pattern : Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Natural; function Count (Source : Bounded_Wide_String; Set : Wide_Maps.Wide_Character_Set) return Natural; procedure Find_Token (Source : Bounded_Wide_String; Set : Wide_Maps.Wide_Character_Set; Test : Membership; First : out Positive; Last : out Natural); ------------------------------------ -- String Translation Subprograms -- ------------------------------------ function Translate (Source : Bounded_Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping) return Bounded_Wide_String; procedure Translate (Source : in out Bounded_Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping); function Translate (Source : Bounded_Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Bounded_Wide_String; procedure Translate (Source : in out Bounded_Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping_Function); --------------------------------------- -- String Transformation Subprograms -- --------------------------------------- function Replace_Slice (Source : Bounded_Wide_String; Low : Positive; High : Natural; By : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; procedure Replace_Slice (Source : in out Bounded_Wide_String; Low : Positive; High : Natural; By : Wide_String; Drop : Truncation := Error); function Insert (Source : Bounded_Wide_String; Before : Positive; New_Item : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; procedure Insert (Source : in out Bounded_Wide_String; Before : Positive; New_Item : Wide_String; Drop : Truncation := Error); function Overwrite (Source : Bounded_Wide_String; Position : Positive; New_Item : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; procedure Overwrite (Source : in out Bounded_Wide_String; Position : Positive; New_Item : Wide_String; Drop : Truncation := Error); function Delete (Source : Bounded_Wide_String; From : Positive; Through : Natural) return Bounded_Wide_String; procedure Delete (Source : in out Bounded_Wide_String; From : Positive; Through : Natural); --------------------------------- -- String Selector Subprograms -- --------------------------------- function Trim (Source : Bounded_Wide_String; Side : Trim_End) return Bounded_Wide_String; procedure Trim (Source : in out Bounded_Wide_String; Side : Trim_End); function Trim (Source : Bounded_Wide_String; Left : Wide_Maps.Wide_Character_Set; Right : Wide_Maps.Wide_Character_Set) return Bounded_Wide_String; procedure Trim (Source : in out Bounded_Wide_String; Left : Wide_Maps.Wide_Character_Set; Right : Wide_Maps.Wide_Character_Set); function Head (Source : Bounded_Wide_String; Count : Natural; Pad : Wide_Character := Wide_Space; Drop : Truncation := Error) return Bounded_Wide_String; procedure Head (Source : in out Bounded_Wide_String; Count : Natural; Pad : Wide_Character := Wide_Space; Drop : Truncation := Error); function Tail (Source : Bounded_Wide_String; Count : Natural; Pad : Wide_Character := Wide_Space; Drop : Truncation := Error) return Bounded_Wide_String; procedure Tail (Source : in out Bounded_Wide_String; Count : Natural; Pad : Wide_Character := Wide_Space; Drop : Truncation := Error); ------------------------------------ -- String Constructor Subprograms -- ------------------------------------ function "*" (Left : Natural; Right : Wide_Character) return Bounded_Wide_String; function "*" (Left : Natural; Right : Wide_String) return Bounded_Wide_String; function "*" (Left : Natural; Right : Bounded_Wide_String) return Bounded_Wide_String; function Replicate (Count : Natural; Item : Wide_Character; Drop : Truncation := Error) return Bounded_Wide_String; function Replicate (Count : Natural; Item : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; function Replicate (Count : Natural; Item : Bounded_Wide_String; Drop : Truncation := Error) return Bounded_Wide_String; private -- Most of the implementation is in the separate non generic package -- Ada.Strings.Wide_Superbounded. Type Bounded_Wide_String is derived -- from type Wide_Superbounded.Super_String with the maximum length -- constraint. In almost all cases, the routines in Wide_Superbounded -- can be called with no requirement to pass the maximum length -- explicitly, since there is at least one Bounded_Wide_String argument -- from which the maximum length can be obtained. For all such -- routines, the implementation in this private part is simply a -- renaming of the corresponding routine in the super bouded package. -- The five exceptions are the * and Replicate routines operating on -- character values. For these cases, we have a routine in the body -- that calls the superbounded routine passing the maximum length -- explicitly as an extra parameter. type Bounded_Wide_String is new Wide_Superbounded.Super_String (Max_Length); -- Deriving Bounded_Wide_String from Wide_Superbounded.Super_String is -- the real trick, it ensures that the type Bounded_Wide_String -- declared in the generic instantiation is compatible with the -- Super_String type declared in the Wide_Superbounded package. Null_Bounded_Wide_String : constant Bounded_Wide_String := (Max_Length => Max_Length, Current_Length => 0, Data => (1 .. Max_Length => Wide_Superbounded.Wide_NUL)); pragma Inline (To_Bounded_Wide_String); procedure Set_Bounded_Wide_String (Target : out Bounded_Wide_String; Source : Wide_String; Drop : Truncation := Error) renames Set_Super_String; function Length (Source : Bounded_Wide_String) return Length_Range renames Super_Length; function To_Wide_String (Source : Bounded_Wide_String) return Wide_String renames Super_To_String; function Append (Left : Bounded_Wide_String; Right : Bounded_Wide_String; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Append; function Append (Left : Bounded_Wide_String; Right : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Append; function Append (Left : Wide_String; Right : Bounded_Wide_String; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Append; function Append (Left : Bounded_Wide_String; Right : Wide_Character; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Append; function Append (Left : Wide_Character; Right : Bounded_Wide_String; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Append; procedure Append (Source : in out Bounded_Wide_String; New_Item : Bounded_Wide_String; Drop : Truncation := Error) renames Super_Append; procedure Append (Source : in out Bounded_Wide_String; New_Item : Wide_String; Drop : Truncation := Error) renames Super_Append; procedure Append (Source : in out Bounded_Wide_String; New_Item : Wide_Character; Drop : Truncation := Error) renames Super_Append; function "&" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Bounded_Wide_String renames Concat; function "&" (Left : Bounded_Wide_String; Right : Wide_String) return Bounded_Wide_String renames Concat; function "&" (Left : Wide_String; Right : Bounded_Wide_String) return Bounded_Wide_String renames Concat; function "&" (Left : Bounded_Wide_String; Right : Wide_Character) return Bounded_Wide_String renames Concat; function "&" (Left : Wide_Character; Right : Bounded_Wide_String) return Bounded_Wide_String renames Concat; function Element (Source : Bounded_Wide_String; Index : Positive) return Wide_Character renames Super_Element; procedure Replace_Element (Source : in out Bounded_Wide_String; Index : Positive; By : Wide_Character) renames Super_Replace_Element; function Slice (Source : Bounded_Wide_String; Low : Positive; High : Natural) return Wide_String renames Super_Slice; function Bounded_Slice (Source : Bounded_Wide_String; Low : Positive; High : Natural) return Bounded_Wide_String renames Super_Slice; procedure Bounded_Slice (Source : Bounded_Wide_String; Target : out Bounded_Wide_String; Low : Positive; High : Natural) renames Super_Slice; function "=" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean renames Equal; function "=" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean renames Equal; function "=" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean renames Equal; function "<" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean renames Less; function "<" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean renames Less; function "<" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean renames Less; function "<=" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean renames Less_Or_Equal; function "<=" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean renames Less_Or_Equal; function "<=" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean renames Less_Or_Equal; function ">" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean renames Greater; function ">" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean renames Greater; function ">" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean renames Greater; function ">=" (Left : Bounded_Wide_String; Right : Bounded_Wide_String) return Boolean renames Greater_Or_Equal; function ">=" (Left : Bounded_Wide_String; Right : Wide_String) return Boolean renames Greater_Or_Equal; function ">=" (Left : Wide_String; Right : Bounded_Wide_String) return Boolean renames Greater_Or_Equal; function Index (Source : Bounded_Wide_String; Pattern : Wide_String; Going : Direction := Forward; Mapping : Wide_Maps.Wide_Character_Mapping := Wide_Maps.Identity) return Natural renames Super_Index; function Index (Source : Bounded_Wide_String; Pattern : Wide_String; Going : Direction := Forward; Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Natural renames Super_Index; function Index (Source : Bounded_Wide_String; Set : Wide_Maps.Wide_Character_Set; Test : Membership := Inside; Going : Direction := Forward) return Natural renames Super_Index; function Index (Source : Bounded_Wide_String; Pattern : Wide_String; From : Positive; Going : Direction := Forward; Mapping : Wide_Maps.Wide_Character_Mapping := Wide_Maps.Identity) return Natural renames Super_Index; function Index (Source : Bounded_Wide_String; Pattern : Wide_String; From : Positive; Going : Direction := Forward; Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Natural renames Super_Index; function Index (Source : Bounded_Wide_String; Set : Wide_Maps.Wide_Character_Set; From : Positive; Test : Membership := Inside; Going : Direction := Forward) return Natural renames Super_Index; function Index_Non_Blank (Source : Bounded_Wide_String; Going : Direction := Forward) return Natural renames Super_Index_Non_Blank; function Index_Non_Blank (Source : Bounded_Wide_String; From : Positive; Going : Direction := Forward) return Natural renames Super_Index_Non_Blank; function Count (Source : Bounded_Wide_String; Pattern : Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping := Wide_Maps.Identity) return Natural renames Super_Count; function Count (Source : Bounded_Wide_String; Pattern : Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Natural renames Super_Count; function Count (Source : Bounded_Wide_String; Set : Wide_Maps.Wide_Character_Set) return Natural renames Super_Count; procedure Find_Token (Source : Bounded_Wide_String; Set : Wide_Maps.Wide_Character_Set; Test : Membership; First : out Positive; Last : out Natural) renames Super_Find_Token; function Translate (Source : Bounded_Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping) return Bounded_Wide_String renames Super_Translate; procedure Translate (Source : in out Bounded_Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping) renames Super_Translate; function Translate (Source : Bounded_Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping_Function) return Bounded_Wide_String renames Super_Translate; procedure Translate (Source : in out Bounded_Wide_String; Mapping : Wide_Maps.Wide_Character_Mapping_Function) renames Super_Translate; function Replace_Slice (Source : Bounded_Wide_String; Low : Positive; High : Natural; By : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Replace_Slice; procedure Replace_Slice (Source : in out Bounded_Wide_String; Low : Positive; High : Natural; By : Wide_String; Drop : Truncation := Error) renames Super_Replace_Slice; function Insert (Source : Bounded_Wide_String; Before : Positive; New_Item : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Insert; procedure Insert (Source : in out Bounded_Wide_String; Before : Positive; New_Item : Wide_String; Drop : Truncation := Error) renames Super_Insert; function Overwrite (Source : Bounded_Wide_String; Position : Positive; New_Item : Wide_String; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Overwrite; procedure Overwrite (Source : in out Bounded_Wide_String; Position : Positive; New_Item : Wide_String; Drop : Truncation := Error) renames Super_Overwrite; function Delete (Source : Bounded_Wide_String; From : Positive; Through : Natural) return Bounded_Wide_String renames Super_Delete; procedure Delete (Source : in out Bounded_Wide_String; From : Positive; Through : Natural) renames Super_Delete; function Trim (Source : Bounded_Wide_String; Side : Trim_End) return Bounded_Wide_String renames Super_Trim; procedure Trim (Source : in out Bounded_Wide_String; Side : Trim_End) renames Super_Trim; function Trim (Source : Bounded_Wide_String; Left : Wide_Maps.Wide_Character_Set; Right : Wide_Maps.Wide_Character_Set) return Bounded_Wide_String renames Super_Trim; procedure Trim (Source : in out Bounded_Wide_String; Left : Wide_Maps.Wide_Character_Set; Right : Wide_Maps.Wide_Character_Set) renames Super_Trim; function Head (Source : Bounded_Wide_String; Count : Natural; Pad : Wide_Character := Wide_Space; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Head; procedure Head (Source : in out Bounded_Wide_String; Count : Natural; Pad : Wide_Character := Wide_Space; Drop : Truncation := Error) renames Super_Head; function Tail (Source : Bounded_Wide_String; Count : Natural; Pad : Wide_Character := Wide_Space; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Tail; procedure Tail (Source : in out Bounded_Wide_String; Count : Natural; Pad : Wide_Character := Wide_Space; Drop : Truncation := Error) renames Super_Tail; function "*" (Left : Natural; Right : Bounded_Wide_String) return Bounded_Wide_String renames Times; function Replicate (Count : Natural; Item : Bounded_Wide_String; Drop : Truncation := Error) return Bounded_Wide_String renames Super_Replicate; end Generic_Bounded_Length; end Ada.Strings.Wide_Bounded;
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