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-- CHECK_FILE.ADA
--
-- 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.
--*
--
-- THIS IS A PROCEDURE USED BY MANY OF THE CHAPTER 14 TESTS TO CHECK THE
-- CONTENTS OF A TEXT FILE.
-- THIS PROCEDURE ASSUMES THE FILE PARAMETER PASSED TO IT IS AN OPEN
-- TEXT FILE.
-- THE STRING PARAMETER CONTAINS THE CHARACTERS THAT ARE SUPPOSED TO BE
-- IN THE TEXT FILE. A '#' CHARACTER IS USED IN THE STRING TO DENOTE
-- THE END OF A LINE. A '@' CHARACTER IS USED TO DENOTE THE END OF A
-- PAGE. A '%' CHARACTER IS USED TO DENOTE THE END OF THE TEXT FILE.
-- THESE SYMBOLS SHOULD NOT BE USED AS TEXT OUTPUT.
-- SPS 11/30/82
-- JBG 2/3/83
WITH REPORT; USE REPORT;
WITH TEXT_IO; USE TEXT_IO;
PROCEDURE CHECK_FILE (FILE: IN OUT FILE_TYPE; CONTENTS : STRING) IS
X : CHARACTER;
COL_COUNT : POSITIVE_COUNT := 1;
LINE_COUNT : POSITIVE_COUNT := 1;
PAGE_COUNT : POSITIVE_COUNT := 1;
TRAILING_BLANKS_MSG_WRITTEN : BOOLEAN := FALSE;
STOP_PROCESSING : EXCEPTION;
PROCEDURE CHECK_END_OF_LINE (EXPECT_END_OF_PAGE : BOOLEAN) IS
BEGIN
-- SKIP OVER ANY TRAILING BLANKS. AN IMPLEMENTATION CAN LEGALLY
-- APPEND BLANKS TO THE END OF ANY LINE.
WHILE NOT END_OF_LINE (FILE) LOOP
GET (FILE, X);
IF X /= ' ' THEN
FAILED ("FROM CHECK_FILE: END OF LINE EXPECTED - " &
X & " ENCOUNTERED");
RAISE STOP_PROCESSING;
ELSE
IF NOT TRAILING_BLANKS_MSG_WRITTEN THEN
COMMENT ("FROM CHECK_FILE: " &
"THIS IMPLEMENTATION PADS " &
"LINES WITH BLANKS");
TRAILING_BLANKS_MSG_WRITTEN := TRUE;
END IF;
END IF;
END LOOP;
IF LINE_COUNT /= LINE (FILE) THEN
FAILED ("FROM CHECK_FILE: " &
"LINE COUNT INCORRECT - EXPECTED " &
POSITIVE_COUNT'IMAGE(LINE_COUNT) &
" GOT FROM FILE " &
POSITIVE_COUNT'IMAGE(LINE(FILE)));
END IF;
-- NOTE: DO NOT SKIP_LINE WHEN AT END OF PAGE BECAUSE SKIP_LINE WILL
-- ALSO SKIP THE PAGE TERMINATOR. SEE RM 14.3.5 PARAGRAPH 1.
IF NOT EXPECT_END_OF_PAGE THEN
IF END_OF_PAGE (FILE) THEN
FAILED ("FROM CHECK_FILE: PREMATURE END OF PAGE");
RAISE STOP_PROCESSING;
ELSE
SKIP_LINE (FILE);
LINE_COUNT := LINE_COUNT + 1;
END IF;
END IF;
COL_COUNT := 1;
END CHECK_END_OF_LINE;
PROCEDURE CHECK_END_OF_PAGE IS
BEGIN
IF NOT END_OF_PAGE (FILE) THEN
FAILED ("FROM CHECK_FILE: " &
"END_OF_PAGE NOT WHERE EXPECTED");
RAISE STOP_PROCESSING;
ELSE
IF PAGE_COUNT /= PAGE (FILE) THEN
FAILED ("FROM CHECK_FILE: " &
"PAGE COUNT INCORRECT - EXPECTED " &
POSITIVE_COUNT'IMAGE (PAGE_COUNT) &
" GOT FROM FILE " &
POSITIVE_COUNT'IMAGE (PAGE(FILE)));
END IF;
SKIP_PAGE (FILE);
PAGE_COUNT := PAGE_COUNT + 1;
LINE_COUNT := 1;
END IF;
END CHECK_END_OF_PAGE;
BEGIN
RESET (FILE, IN_FILE);
SET_LINE_LENGTH (STANDARD_OUTPUT, 0);
SET_PAGE_LENGTH (STANDARD_OUTPUT, 0);
FOR I IN 1 .. CONTENTS'LENGTH LOOP
BEGIN
CASE CONTENTS (I) IS
WHEN '#' =>
CHECK_END_OF_LINE (CONTENTS (I + 1) = '@');
WHEN '@' =>
CHECK_END_OF_PAGE;
WHEN '%' =>
IF NOT END_OF_FILE (FILE) THEN
FAILED ("FROM CHECK_FILE: " &
"END_OF_FILE NOT WHERE EXPECTED");
RAISE STOP_PROCESSING;
END IF;
WHEN OTHERS =>
IF COL_COUNT /= COL(FILE) THEN
FAILED ("FROM CHECK_FILE: " &
"COL COUNT INCORRECT - " &
"EXPECTED " & POSITIVE_COUNT'
IMAGE(COL_COUNT) & " GOT FROM " &
"FILE " & POSITIVE_COUNT'IMAGE
(COL(FILE)));
END IF;
GET (FILE, X);
COL_COUNT := COL_COUNT + 1;
IF X /= CONTENTS (I) THEN
FAILED("FROM CHECK_FILE: " &
"FILE DOES NOT CONTAIN CORRECT " &
"OUTPUT - EXPECTED " & CONTENTS(I)
& " - GOT " & X);
RAISE STOP_PROCESSING;
END IF;
END CASE;
EXCEPTION
WHEN STOP_PROCESSING =>
COMMENT ("FROM CHECK_FILE: " &
"LAST CHARACTER IN FOLLOWING STRING " &
"REVEALED ERROR: " & CONTENTS (1 .. I));
EXIT;
END;
END LOOP;
EXCEPTION
WHEN STATUS_ERROR =>
FAILED ("FROM CHECK_FILE: " &
"STATUS_ERROR RAISED - FILE CHECKING INCOMPLETE");
WHEN MODE_ERROR =>
FAILED ("FROM CHECK_FILE: " &
"MODE_ERROR RAISED - FILE CHECKING INCOMPLETE");
WHEN NAME_ERROR =>
FAILED ("FROM CHECK_FILE: " &
"NAME_ERROR RAISED - FILE CHECKING INCOMPLETE");
WHEN USE_ERROR =>
FAILED ("FROM CHECK_FILE: " &
"USE_ERROR RAISED - FILE CHECKING INCOMPLETE");
WHEN DEVICE_ERROR =>
FAILED ("FROM CHECK_FILE: " &
"DEVICE_ERROR RAISED - FILE CHECKING INCOMPLETE");
WHEN END_ERROR =>
FAILED ("FROM CHECK_FILE: " &
"END_ERROR RAISED - FILE CHECKING INCOMPLETE");
WHEN DATA_ERROR =>
FAILED ("FROM CHECK_FILE: " &
"DATA_ERROR RAISED - FILE CHECKING INCOMPLETE");
WHEN LAYOUT_ERROR =>
FAILED ("FROM CHECK_FILE: " &
"LAYOUT_ERROR RAISED - FILE CHECKING INCOMPLETE");
WHEN OTHERS =>
FAILED ("FROM CHECK_FILE: " &
"SOME EXCEPTION RAISED - FILE CHECKING INCOMPLETE");
END CHECK_FILE;
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