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-- CXA4003.A
--
-- Grant of Unlimited Rights
--
-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
-- unlimited rights in the software and documentation contained herein.
-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
-- this public release, the Government intends to confer upon all
-- recipients unlimited rights equal to those held by the Government.
-- These rights include rights to use, duplicate, release or disclose the
-- released technical data and computer software in whole or in part, in
-- any manner and for any purpose whatsoever, and to have or permit others
-- to do so.
--
-- DISCLAIMER
--
-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
-- PARTICULAR PURPOSE OF SAID MATERIAL.
--*
--
-- OBJECTIVE:
-- Check that the subprograms defined in package Ada.Strings.Fixed are
-- available, and that they produce correct results. Specifically,
-- check the subprograms Index, Index_Non_Blank, Head, Tail, Translate,
-- Find_Token, Move, Overwrite, and Replace_Slice.
--
-- TEST DESCRIPTION:
-- This test demonstrates how certain fixed string operations could be
-- used in string information processing. A procedure is defined that
-- will extract portions of a 50 character string that correspond to
-- certain data items (i.e., name, address, state, zip code). These
-- parsed items will then be added to the appropriate fields of data
-- base elements. These data base elements are then compared for
-- accuracy against a similar set of predefined data base elements.
--
-- A variety of fixed string processing subprograms are used in this
-- test. Each parsing operation uses a different combination
-- of the available subprograms to accomplish the same goal, therefore
-- continuity of approach to string parsing is not seen in this test.
-- However, a wide variety of possible approaches are demonstrated, while
-- exercising a large number of the total predefined subprograms of
-- package Ada.Strings.Fixed.
--
--
-- CHANGE HISTORY:
-- 06 Dec 94 SAIC ACVC 2.0
--
--!
with Ada.Strings.Fixed;
with Ada.Strings.Maps;
with Report;
procedure CXA4003 is
begin
Report.Test ("CXA4003", "Check that the subprograms defined in package " &
"Ada.Strings.Fixed are available, and that they " &
"produce correct results");
Test_Block:
declare
Number_Of_Info_Strings : constant Natural := 3;
DB_Size : constant Natural := Number_Of_Info_Strings;
Count : Natural := 0;
Finished_Processing : Boolean := False;
Blank_String : constant String := " ";
subtype Info_String_Type is String (1..50);
type Info_String_Storage_Type is
array (1..Number_Of_Info_Strings) of Info_String_Type;
subtype Name_Type is String (1..10);
subtype Street_Number_Type is String (1..5);
subtype Street_Name_Type is String (1..10);
subtype City_Type is String (1..10);
subtype State_Type is String (1..2);
subtype Zip_Code_Type is String (1..5);
type Data_Base_Element_Type is
record
Name : Name_Type := (others => ' ');
Street_Number : Street_Number_Type := (others => ' ');
Street_Name : Street_Name_Type := (others => ' ');
City : City_Type := (others => ' ');
State : State_Type := (others => ' ');
Zip_Code : Zip_Code_Type := (others => ' ');
end record;
type Data_Base_Type is array (1..DB_Size) of Data_Base_Element_Type;
Data_Base : Data_Base_Type;
---
Info_String_1 : Info_String_Type :=
"Joe_Jones 123 Sixth_St San_Diego CA 98765";
Info_String_2 : Info_String_Type :=
"Sam_Smith 56789 S._Seventh Carlsbad CA 92177";
Info_String_3 : Info_String_Type :=
"Jane_Brown 1219 Info_Lane Tuscon AZ 85643";
Info_Strings : Info_String_Storage_Type := (1 => Info_String_1,
2 => Info_String_2,
3 => Info_String_3);
TC_DB_Element_1 : Data_Base_Element_Type :=
("Joe Jones ", "123 ", "Sixth St ", "San Diego ", "CA", "98765");
TC_DB_Element_2 : Data_Base_Element_Type :=
("Sam Smith ", "56789", "S. Seventh", "Carlsbad ", "CA", "92177");
TC_DB_Element_3 : Data_Base_Element_Type :=
("Jane Brown", "1219 ", "Info Lane ", "Tuscon ", "AZ", "85643");
TC_Data_Base : Data_Base_Type := (TC_DB_Element_1,
TC_DB_Element_2,
TC_DB_Element_3);
---
procedure Store_Information
(Info_String : in Info_String_Type;
DB_Record : in out Data_Base_Element_Type) is
package AS renames Ada.Strings;
use type AS.Maps.Character_Set;
UnderScore : AS.Maps.Character_Sequence := "_";
Blank : AS.Maps.Character_Sequence := " ";
Start,
Stop : Natural := 0;
Underscore_to_Blank_Map : constant AS.Maps.Character_Mapping :=
AS.Maps.To_Mapping(From => UnderScore,
To => Blank);
Numeric_Set : constant AS.Maps.Character_Set :=
AS.Maps.To_Set("0123456789");
Cal : constant AS.Maps.Character_Sequence := "CA";
California_Set : constant AS.Maps.Character_Set :=
AS.Maps.To_Set(Cal);
Arizona_Set : constant AS.Maps.Character_Set :=
AS.Maps.To_Set("AZ");
Nevada_Set : constant AS.Maps.Character_Set :=
AS.Maps.To_Set("NV");
begin
-- Find the starting position of the name field (first non-blank),
-- then, from that position, find the end of the name field (first
-- blank).
Start := AS.Fixed.Index_Non_Blank(Info_String);
Stop := AS.Fixed.Index (Info_String(Start..Info_String'Length),
AS.Maps.To_Set(' '),
AS.Inside,
AS.Forward) - 1 ;
-- Store the name field in the data base element field for "Name".
DB_Record.Name := AS.Fixed.Head(Info_String(1..Stop),
DB_Record.Name'Length);
-- Replace any underscore characters in the name field
-- that were used to separate first/middle/last names.
AS.Fixed.Translate (DB_Record.Name, Underscore_to_Blank_Map);
-- Continue the extraction process; now find the position of
-- the street number in the string.
Start := Stop + 1;
AS.Fixed.Find_Token(Info_String(Start..Info_String'Length),
Numeric_Set,
AS.Inside,
Start,
Stop);
-- Store the street number field in the appropriate data base
-- element.
-- No modification of the default parameters of procedure Move
-- is required.
AS.Fixed.Move(Source => Info_String(Start..Stop),
Target => DB_Record.Street_Number);
-- Continue the extraction process; find the street name in the
-- info string. Skip blanks to the start of the street name, then
-- search for the index of the next blank character in the string.
Start :=
AS.Fixed.Index_Non_Blank(Info_String(Stop+1..Info_String'Length));
Stop :=
AS.Fixed.Index(Info_String(Start..Info_String'Length),
Blank_String) - 1;
-- Store the street name in the appropriate data base element field.
AS.Fixed.Overwrite(DB_Record.Street_Name,
1,
Info_String(Start..Stop));
-- Replace any underscore characters in the street name field
-- that were used as word separation.
DB_Record.Street_Name := AS.Fixed.Translate(DB_Record.Street_Name,
Underscore_to_Blank_Map);
-- Continue the extraction; remove the city name from the string.
Start :=
AS.Fixed.Index_Non_Blank(Info_String(Stop+1..Info_String'Length));
Stop :=
AS.Fixed.Index(Info_String(Start..Info_String'Length),
Blank_String) - 1;
-- Store the city name field in the appropriate data base element.
AS.Fixed.Replace_Slice(DB_Record.City,
1,
DB_Record.City'Length,
Info_String(Start..Stop));
-- Replace any underscore characters in the city name field
-- that were used as word separation.
AS.Fixed.Translate (DB_Record.City, Underscore_to_Blank_Map);
-- Continue the extraction; remove the state identifier from the
-- info string.
Start := Stop + 1;
AS.Fixed.Find_Token(Info_String(Start..Info_String'Length),
AS.Maps."OR"(California_Set,
AS.Maps."OR"(Nevada_Set, Arizona_Set)),
AS.Inside,
Start,
Stop);
-- Store the state indicator into the data base element.
AS.Fixed.Move(Source => Info_String(Start..Stop),
Target => DB_Record.State,
Drop => Ada.Strings.Right,
Justify => Ada.Strings.Left,
Pad => AS.Space);
-- Continue the extraction process; remove the final data item in
-- the info string, the zip code, and place it into the
-- corresponding data base element.
DB_Record.Zip_Code := AS.Fixed.Tail(Info_String,
DB_Record.Zip_Code'Length);
exception
when AS.Length_Error =>
Report.Failed ("Length_Error raised in procedure");
when AS.Pattern_Error =>
Report.Failed ("Pattern_Error raised in procedure");
when AS.Translation_Error =>
Report.Failed ("Translation_Error raised in procedure");
when others =>
Report.Failed ("Exception raised in procedure");
end Store_Information;
begin
-- Loop thru the information strings, extract the name and address
-- information, place this info into elements of the data base.
while not Finished_Processing loop
Count := Count + 1;
Store_Information (Info_Strings(Count), Data_Base(Count));
Finished_Processing := (Count = Number_Of_Info_Strings);
end loop;
-- Verify that the string processing was successful.
for i in 1..DB_Size loop
if Data_Base(i) /= TC_Data_Base(i) then
Report.Failed
("Data processing error on record " & Integer'Image(i));
end if;
end loop;
exception
when others => Report.Failed ("Exception raised in Test_Block");
end Test_Block;
Report.Result;
end CXA4003;