-- CXA4002.A
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-- CXA4002.A
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--
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--
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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--
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--
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-- OBJECTIVE:
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-- OBJECTIVE:
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-- Check that the subprograms defined in package Ada.Strings.Fixed are
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-- Check that the subprograms defined in package Ada.Strings.Fixed are
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-- available, and that they produce correct results. Specifically,
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-- available, and that they produce correct results. Specifically,
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-- check the subprograms Index, "*" (string constructor function),
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-- check the subprograms Index, "*" (string constructor function),
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-- Count, Trim, and Replace_Slice.
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-- Count, Trim, and Replace_Slice.
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--
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--
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-- TEST DESCRIPTION:
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-- TEST DESCRIPTION:
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-- This test demonstrates how certain Fixed string functions are used
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-- This test demonstrates how certain Fixed string functions are used
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-- to eliminate specific substrings from portions of text. A procedure
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-- to eliminate specific substrings from portions of text. A procedure
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-- is defined that will take as parameters a source string along with
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-- is defined that will take as parameters a source string along with
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-- a substring that is to be completely removed from the source string.
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-- a substring that is to be completely removed from the source string.
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-- The source string is parsed using the Index function, and any substring
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-- The source string is parsed using the Index function, and any substring
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-- slices are replaced in the source string by a series of X's (based on
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-- slices are replaced in the source string by a series of X's (based on
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-- the length of the substring.)
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-- the length of the substring.)
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-- Three lines of text are provided to this procedure, and the resulting
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-- Three lines of text are provided to this procedure, and the resulting
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-- substitutions are compared with expected results to validate the
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-- substitutions are compared with expected results to validate the
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-- string processing.
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-- string processing.
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-- A global accumulator is updated with the number of occurrences of the
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-- A global accumulator is updated with the number of occurrences of the
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-- substring in the source string.
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-- substring in the source string.
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--
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--
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--
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--
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-- CHANGE HISTORY:
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-- CHANGE HISTORY:
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-- 06 Dec 94 SAIC ACVC 2.0
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-- 06 Dec 94 SAIC ACVC 2.0
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--
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--
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--!
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--!
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with Ada.Strings;
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with Ada.Strings;
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with Ada.Strings.Fixed;
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with Ada.Strings.Fixed;
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with Ada.Strings.Maps;
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with Ada.Strings.Maps;
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with Report;
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with Report;
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procedure CXA4002 is
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procedure CXA4002 is
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begin
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begin
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Report.Test ("CXA4002", "Check that the subprograms defined in package " &
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Report.Test ("CXA4002", "Check that the subprograms defined in package " &
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"Ada.Strings.Fixed are available, and that " &
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"Ada.Strings.Fixed are available, and that " &
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"they produce correct results");
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"they produce correct results");
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Test_Block:
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Test_Block:
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declare
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declare
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TC_Total : Natural := 0;
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TC_Total : Natural := 0;
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Number_Of_Lines : constant := 3;
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Number_Of_Lines : constant := 3;
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type Restricted_Words_Array_Type is array (1..10) of String (1..10);
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type Restricted_Words_Array_Type is array (1..10) of String (1..10);
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Restricted_Words : Restricted_Words_Array_Type :=
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Restricted_Words : Restricted_Words_Array_Type :=
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(" platoon", " marines ", " Marines ",
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(" platoon", " marines ", " Marines ",
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"north ", "south ", " east",
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"north ", "south ", " east",
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" beach ", " airport", "airfield ",
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" beach ", " airport", "airfield ",
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" road ");
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" road ");
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subtype Line_Of_Text_Type is String(1..25);
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subtype Line_Of_Text_Type is String(1..25);
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type Page_Of_Text_Type is array (1..Number_Of_Lines)
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type Page_Of_Text_Type is array (1..Number_Of_Lines)
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of Line_Of_Text_Type;
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of Line_Of_Text_Type;
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Text_Page : Page_Of_Text_Type := ("The platoon of Marines ",
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Text_Page : Page_Of_Text_Type := ("The platoon of Marines ",
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"moved south on the south ",
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"moved south on the south ",
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"road to the airfield. ");
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"road to the airfield. ");
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TC_Revised_Line_1 : constant String := "The XXXXXXX of XXXXXXX ";
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TC_Revised_Line_1 : constant String := "The XXXXXXX of XXXXXXX ";
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TC_Revised_Line_2 : constant String := "moved XXXXX on the XXXXX ";
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TC_Revised_Line_2 : constant String := "moved XXXXX on the XXXXX ";
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TC_Revised_Line_3 : constant String := "XXXX to the XXXXXXXX. ";
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TC_Revised_Line_3 : constant String := "XXXX to the XXXXXXXX. ";
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---
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---
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procedure Censor (Source_String : in out String;
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procedure Censor (Source_String : in out String;
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Pattern_String : in String) is
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Pattern_String : in String) is
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-- Create a replacement string that is the same length as the
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-- Create a replacement string that is the same length as the
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-- pattern string being removed.
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-- pattern string being removed.
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Replacement : constant String := -- "*"
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Replacement : constant String := -- "*"
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Ada.Strings.Fixed."*"(Pattern_String'Length, 'X');
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Ada.Strings.Fixed."*"(Pattern_String'Length, 'X');
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Going : Ada.Strings.Direction := Ada.Strings.Forward;
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Going : Ada.Strings.Direction := Ada.Strings.Forward;
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Map : constant Ada.Strings.Maps.Character_Mapping :=
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Map : constant Ada.Strings.Maps.Character_Mapping :=
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Ada.Strings.Maps.Identity;
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Ada.Strings.Maps.Identity;
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Start_Pos,
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Start_Pos,
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Index : Natural := Source_String'First;
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Index : Natural := Source_String'First;
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begin -- Censor
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begin -- Censor
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-- Accumulate count of total replacement operations.
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-- Accumulate count of total replacement operations.
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TC_Total := TC_Total + -- Count
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TC_Total := TC_Total + -- Count
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Ada.Strings.Fixed.Count (Source => Source_String,
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Ada.Strings.Fixed.Count (Source => Source_String,
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Pattern => Pattern_String,
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Pattern => Pattern_String,
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Mapping => Map);
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Mapping => Map);
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loop
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loop
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Index := Ada.Strings.Fixed.Index -- Index
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Index := Ada.Strings.Fixed.Index -- Index
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(Source_String(Start_Pos..Source_String'Last),
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(Source_String(Start_Pos..Source_String'Last),
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Pattern_String,
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Pattern_String,
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Going,
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Going,
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Map);
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Map);
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exit when Index = 0; -- No matches, exit loop.
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exit when Index = 0; -- No matches, exit loop.
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-- if a match was found, modify the substring.
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-- if a match was found, modify the substring.
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Ada.Strings.Fixed.Replace_Slice -- Replace_Slice
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Ada.Strings.Fixed.Replace_Slice -- Replace_Slice
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(Source_String,
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(Source_String,
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Index,
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Index,
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Index + Pattern_String'Length - 1,
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Index + Pattern_String'Length - 1,
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Replacement);
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Replacement);
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Start_Pos := Index + Pattern_String'Length;
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Start_Pos := Index + Pattern_String'Length;
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end loop;
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end loop;
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end Censor;
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end Censor;
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begin
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begin
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-- Invoke Censor subprogram to cleanse text.
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-- Invoke Censor subprogram to cleanse text.
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-- Loop through each line of text, and check for the presence of each
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-- Loop through each line of text, and check for the presence of each
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-- restricted word.
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-- restricted word.
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-- Use the Trim function to eliminate leading or trailing blanks from
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-- Use the Trim function to eliminate leading or trailing blanks from
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-- the restricted word parameters.
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-- the restricted word parameters.
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for Line in 1..Number_Of_Lines loop
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for Line in 1..Number_Of_Lines loop
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for Word in Restricted_Words'Range loop
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for Word in Restricted_Words'Range loop
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Censor (Text_Page(Line),
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Censor (Text_Page(Line),
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Ada.Strings.Fixed.Trim(Restricted_Words(Word), -- Trim
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Ada.Strings.Fixed.Trim(Restricted_Words(Word), -- Trim
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Ada.Strings.Both));
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Ada.Strings.Both));
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end loop;
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end loop;
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end loop;
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end loop;
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-- Validate results.
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-- Validate results.
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if TC_Total /= 6 then
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if TC_Total /= 6 then
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Report.Failed ("Incorrect number of substitutions performed");
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Report.Failed ("Incorrect number of substitutions performed");
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end if;
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end if;
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if Text_Page(1) /= TC_Revised_Line_1 then
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if Text_Page(1) /= TC_Revised_Line_1 then
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Report.Failed ("Incorrect substitutions on Line 1");
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Report.Failed ("Incorrect substitutions on Line 1");
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end if;
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end if;
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if Text_Page(2) /= TC_Revised_Line_2 then
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if Text_Page(2) /= TC_Revised_Line_2 then
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Report.Failed ("Incorrect substitutions on Line 2");
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Report.Failed ("Incorrect substitutions on Line 2");
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end if;
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end if;
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if Text_Page(3) /= TC_Revised_Line_3 then
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if Text_Page(3) /= TC_Revised_Line_3 then
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Report.Failed ("Incorrect substitutions on Line 3");
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Report.Failed ("Incorrect substitutions on Line 3");
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end if;
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end if;
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exception
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exception
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when others => Report.Failed ("Exception raised in Test_Block");
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when others => Report.Failed ("Exception raised in Test_Block");
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end Test_Block;
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end Test_Block;
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Report.Result;
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Report.Result;
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end CXA4002;
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end CXA4002;
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