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Comment:s_expressions-conditionals-strings: add an equality test
Timelines: family | ancestors | descendants | both | trunk
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SHA1: 87228b7a84f311cacda5df90d62c89fdbe319b9d
User & Date: nat on 2017-06-17 19:33:47
Other Links: manifest | tags
Context
2017-06-18
21:35
s_expressions-conditionals-strings-tests: test the new equality test check-in: e21eaeef3f user: nat tags: trunk
2017-06-17
19:33
s_expressions-conditionals-strings: add an equality test check-in: 87228b7a84 user: nat tags: trunk
2017-06-16
21:17
tools/smaz: remove debug trace left over check-in: fe798b80fc user: nat tags: trunk
Changes
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Modified generated/natools-static_maps-s_expressions-conditionals-strings-p.adb from [4afcbe25fa] to [9c4bf751b8]. 

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with Interfaces; use Interfaces;

package body Natools.Static_Maps.S_Expressions.Conditionals.Strings.P is

   P : constant array (0 .. 2) of Natural :=
     (2, 11, 13);
     (1, 11, 13);

   T1 : constant array (0 .. 2) of Unsigned_8 :=
     (9, 9, 0);
     (11, 3, 3);

   T2 : constant array (0 .. 2) of Unsigned_8 :=
     (6, 4, 5);
     (14, 19, 16);

   G : constant array (0 .. 16) of Unsigned_8 :=
     (0, 5, 0, 1, 0, 6, 0, 0, 7, 0, 0, 0, 0, 1, 1, 0, 3);
   G : constant array (0 .. 22) of Unsigned_8 :=
     (0, 0, 0, 9, 0, 0, 0, 0, 2, 0, 3, 0, 0, 3, 1, 0, 7, 0, 4, 0, 1, 7, 0);

   function Hash (S : String) return Natural is
      F : constant Natural := S'First - 1;
      L : constant Natural := S'Length;
      F1, F2 : Natural := 0;
      J : Natural;
   begin
      for K in P'Range loop
         exit when L < P (K);
         J  := Character'Pos (S (P (K) + F));
         F1 := (F1 + Natural (T1 (K)) * J) mod 17;
         F2 := (F2 + Natural (T2 (K)) * J) mod 17;
         F1 := (F1 + Natural (T1 (K)) * J) mod 23;
         F2 := (F2 + Natural (T2 (K)) * J) mod 23;
      end loop;
      return (Natural (G (F1)) + Natural (G (F2))) mod 8;
      return (Natural (G (F1)) + Natural (G (F2))) mod 11;
   end Hash;

end Natools.Static_Maps.S_Expressions.Conditionals.Strings.P;

Modified generated/natools-static_maps-s_expressions-conditionals-strings.ads from [cc9021c49e] to [6fbfefcd00]. 

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--  Generated at 2015-03-31 18:55:08 +0000 by Natools.Static_Hash_Maps
--  Generated at 2017-06-17 18:23:38 +0000 by Natools.Static_Hash_Maps
--  from src/natools-s_expressions-conditionals-strings-maps.sx

package Natools.Static_Maps.S_Expressions.Conditionals.Strings is
   pragma Pure;

   type Parametric_Condition is
     (Unknown_Parametric_Condition,
      Case_Insensitive,
      Case_Sensitive,
      Contains_All,
      Contains_Any,
      Is_Equal_To,
      Starts_With);

   type Simple_Condition is
     (Unknown_Simple_Condition,
      Is_ASCII,
      Is_Empty);

   function To_Parametric (Key : String) return Parametric_Condition;
   function To_Simple (Key : String) return Simple_Condition;

private

   Map_1_Key_0 : aliased constant String := "case-insensitive";
   Map_1_Key_1 : aliased constant String := "case-sensitive";
   Map_1_Key_2 : aliased constant String := "contains";
   Map_1_Key_3 : aliased constant String := "contains-all";
   Map_1_Key_4 : aliased constant String := "contains-all-of";
   Map_1_Key_5 : aliased constant String := "contains-any";
   Map_1_Key_6 : aliased constant String := "contains-any-of";
   Map_1_Key_7 : aliased constant String := "starts-with";
   Map_1_Keys : constant array (0 .. 7) of access constant String
   Map_1_Key_7 : aliased constant String := "is";
   Map_1_Key_8 : aliased constant String := "is-equal-to";
   Map_1_Key_9 : aliased constant String := "=";
   Map_1_Key_10 : aliased constant String := "starts-with";
   Map_1_Keys : constant array (0 .. 10) of access constant String
     := (Map_1_Key_0'Access,
         Map_1_Key_1'Access,
         Map_1_Key_2'Access,
         Map_1_Key_3'Access,
         Map_1_Key_4'Access,
         Map_1_Key_5'Access,
         Map_1_Key_6'Access,
         Map_1_Key_7'Access);
   Map_1_Elements : constant array (0 .. 7) of Parametric_Condition
         Map_1_Key_7'Access,
         Map_1_Key_8'Access,
         Map_1_Key_9'Access,
         Map_1_Key_10'Access);
   Map_1_Elements : constant array (0 .. 10) of Parametric_Condition
     := (Case_Insensitive,
         Case_Sensitive,
         Contains_All,
         Contains_All,
         Contains_All,
         Contains_Any,
         Contains_Any,
         Is_Equal_To,
         Is_Equal_To,
         Is_Equal_To,
         Starts_With);

   Map_2_Key_0 : aliased constant String := "is-ascii";
   Map_2_Key_1 : aliased constant String := "is-empty";
   Map_2_Keys : constant array (0 .. 1) of access constant String
     := (Map_2_Key_0'Access,
         Map_2_Key_1'Access);
   Map_2_Elements : constant array (0 .. 1) of Simple_Condition
     := (Is_ASCII,
         Is_Empty);

end Natools.Static_Maps.S_Expressions.Conditionals.Strings;

Modified src/natools-s_expressions-conditionals-strings-maps.sx from [7a3d8c8852] to [aa2bb08f0e]. 

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(Natools.Static_Maps.S_Expressions.Conditionals.Strings
   pure
   (test-function T)
   (extra-decl "\
   type Parametric_Condition is
     (Unknown_Parametric_Condition,
      Case_Insensitive,
      Case_Sensitive,
      Contains_All,
      Contains_Any,
      Is_Equal_To,
      Starts_With);

   type Simple_Condition is
     (Unknown_Simple_Condition,
      Is_ASCII,
      Is_Empty);")

   (Parametric_Condition
      (hash-package Natools.Static_Maps.S_Expressions.Conditionals.Strings.P)
      (function To_Parametric)
      (not-found Unknown_Parametric_Condition)
      (nodes
         (Case_Insensitive   case-insensitive)
         (Case_Sensitive   case-sensitive)
         (Contains_All   contains contains-all contains-all-of)
         (Contains_Any   contains-any contains-any-of)
         (Is_Equal_To   is is-equal-to "=")
         (Starts_With   starts-with)))

   (Simple_Condition
      (hash-package Natools.Static_Maps.S_Expressions.Conditionals.Strings.S)
      (function To_Simple)
      (not-found Unknown_Simple_Condition)
      (nodes
         (Is_ASCII   is-ascii)
         (Is_Empty   is-empty))))

Modified src/natools-s_expressions-conditionals-strings.adb from [52b9048770] to [8d61f8bc65]. 

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------------------------------------------------------------------------------
-- Copyright (c) 2015, Natacha Porté                                        --
-- Copyright (c) 2015-2017, Natacha Porté                                   --
--                                                                          --
-- Permission to use, copy, modify, and distribute this software for any    --
-- purpose with or without fee is hereby granted, provided that the above   --
-- copyright notice and this permission notice appear in all copies.        --
--                                                                          --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF         --
︙
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      Conjunction : in Boolean)
     return Boolean;
      --  Evaluate Element on all atoms of Arguments and combine them

   function Contains (Context : in Strings.Context; Data : in Atom)
     return Boolean;
      --  Check whether Context contains Data

   function Is_Equal_To (Context : in Strings.Context; Data : in Atom)
     return Boolean;
      --  Check whether Context is equal to Data

   function Is_Prefix (Context : in Strings.Context; Data : in Atom)
     return Boolean;
      --  Check whether Context starts with Data

   function To_Lower (Item : in Character) return Character
     renames Ada.Characters.Handling.To_Lower;
︙
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            Str_Value,
            Str_Value'First,
            Ada.Strings.Forward,
            Ada.Characters.Handling.To_Lower'Access) > 0;
      end if;
   end Contains;


   function Is_Equal_To (Context : in Strings.Context; Data : in Atom)
     return Boolean is
   begin
      if Context.Data.all'Length /= Data'Length then
         return False;
      end if;

      if Context.Settings.Case_Sensitive then
         return Context.Data.all = To_String (Data);
      else
         return Fixed.Translate (Context.Data.all, To_Lower'Access)
           = Fixed.Translate (To_String (Data), To_Lower'Access);
      end if;
   end Is_Equal_To;


   function Is_Prefix (Context : in Strings.Context; Data : in Atom)
     return Boolean is
   begin
      if Context.Data.all'Length < Data'Length then
         return False;
      end if;
︙
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            return Conditional_On_Atoms
              (Context, Arguments, Contains'Access, True);

         when Contains_Any =>
            return Conditional_On_Atoms
              (Context, Arguments, Contains'Access, False);

         when Is_Equal_To =>
            return Conditional_On_Atoms
              (Context, Arguments, Is_Equal_To'Access, False);

         when Starts_With =>
            return Conditional_On_Atoms
              (Context, Arguments, Is_Prefix'Access, False);
      end case;
   end Parametric_Evaluate;
︙

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