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   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUN-TIME COMPONENTS                         --
   4 --                                                                          --
   5 --         A D A . S T R I N G S . W I D E _ W I D E _ S E A R C H          --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2005, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  This package contains search functions from Ada.Strings.Wide_Wide_Fixed.
  35 --  They are separated because Ada.Strings.Wide_Wide_Bounded shares these
  36 --  search functions with Ada.Strings.Wide_Wide_Unbounded, and we don't want
  37 --  to drag other irrelevant stuff from Ada.Strings.Wide_Wide_Fixed when using
  38 --  the other two packages. We make this a private package, since user
  39 --  programs should access these subprograms via one of the standard string
  40 --  packages.
  41
  42 with Ada.Strings.Wide_Wide_Maps;
  43
  44 private package Ada.Strings.Wide_Wide_Search is
  45    pragma Preelaborate;
  46
  47    function Index
  48      (Source  : Wide_Wide_String;
  49       Pattern : Wide_Wide_String;
  50       Going   : Direction := Forward;
  51       Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping :=
  52                   Wide_Wide_Maps.Identity) return Natural;
  53
  54    function Index
  55      (Source  : Wide_Wide_String;
  56       Pattern : Wide_Wide_String;
  57       Going   : Direction := Forward;
  58       Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping_Function)
  59       return Natural;
  60
  61    function Index
  62      (Source : Wide_Wide_String;
  63       Set    : Wide_Wide_Maps.Wide_Wide_Character_Set;
  64       Test   : Membership := Inside;
  65       Going  : Direction  := Forward) return Natural;
  66
  67    function Index
  68      (Source  : Wide_Wide_String;
  69       Pattern : Wide_Wide_String;
  70       From    : Positive;
  71       Going   : Direction := Forward;
  72       Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping :=
  73                   Wide_Wide_Maps.Identity)
  74       return Natural;
  75
  76    function Index
  77      (Source  : Wide_Wide_String;
  78       Pattern : Wide_Wide_String;
  79       From    : Positive;
  80       Going   : Direction := Forward;
  81       Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping_Function)
  82       return Natural;
  83
  84    function Index
  85      (Source  : Wide_Wide_String;
  86       Set     : Wide_Wide_Maps.Wide_Wide_Character_Set;
  87       From    : Positive;
  88       Test    : Membership := Inside;
  89       Going   : Direction := Forward) return Natural;
  90
  91    function Index_Non_Blank
  92      (Source : Wide_Wide_String;
  93       Going  : Direction := Forward) return Natural;
  94
  95    function Index_Non_Blank
  96      (Source : Wide_Wide_String;
  97       From   : Positive;
  98       Going  : Direction := Forward) return Natural;
  99
 100    function Count
 101      (Source  : Wide_Wide_String;
 102       Pattern : Wide_Wide_String;
 103       Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping :=
 104                   Wide_Wide_Maps.Identity)
 105       return Natural;
 106
 107    function Count
 108      (Source  : Wide_Wide_String;
 109       Pattern : Wide_Wide_String;
 110       Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping_Function)
 111       return Natural;
 112
 113    function Count
 114      (Source : Wide_Wide_String;
 115       Set    : Wide_Wide_Maps.Wide_Wide_Character_Set) return Natural;
 116
 117    procedure Find_Token
 118      (Source : Wide_Wide_String;
 119       Set    : Wide_Wide_Maps.Wide_Wide_Character_Set;
 120       Test   : Membership;
 121       First  : out Positive;
 122       Last   : out Natural);
 123
 124 end Ada.Strings.Wide_Wide_Search;