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1 | (* SShortWholeIO.mod implements input/output of SHORTINT/SHORTCARD over channels. |
2 | ||
83ffe9cd | 3 | Copyright (C) 2013-2023 Free Software Foundation, Inc. |
1eee94d3 GM |
4 | Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>. |
5 | ||
6 | This file is part of GNU Modula-2. | |
7 | ||
8 | GNU Modula-2 is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GNU Modula-2 is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | Under Section 7 of GPL version 3, you are granted additional | |
19 | permissions described in the GCC Runtime Library Exception, version | |
20 | 3.1, as published by the Free Software Foundation. | |
21 | ||
22 | You should have received a copy of the GNU General Public License and | |
23 | a copy of the GCC Runtime Library Exception along with this program; | |
24 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
25 | <http://www.gnu.org/licenses/>. *) | |
26 | ||
27 | IMPLEMENTATION MODULE SShortWholeIO; | |
28 | ||
29 | IMPORT StdChans, ShortWholeIO ; | |
30 | ||
31 | (* Input and output of whole numbers in decimal text form over | |
32 | default channels. The read result is of the type | |
33 | IOConsts.ReadResults. | |
34 | *) | |
35 | ||
36 | PROCEDURE ReadInt (VAR int: SHORTINT); | |
37 | (* Skips leading spaces, and removes any remaining characters | |
38 | from the default input stream that form part of a signed | |
39 | whole number. The value of this number is assigned to int. | |
40 | The read result is set to the value allRight, outOfRange, | |
41 | wrongFormat, endOfLine, or endOfInput. | |
42 | *) | |
43 | BEGIN | |
44 | ShortWholeIO.ReadInt(StdChans.StdInChan(), int) | |
45 | END ReadInt ; | |
46 | ||
47 | ||
48 | PROCEDURE ReadCard (VAR card: SHORTCARD); | |
49 | (* Skips leading spaces, and removes any remaining characters | |
50 | from the default input stream that form part of an unsigned | |
51 | whole number. The value of this number is assigned to card. | |
52 | The read result is set to the value allRight, outOfRange, | |
53 | wrongFormat, endOfLine, or endOfInput. | |
54 | *) | |
55 | BEGIN | |
56 | ShortWholeIO.ReadCard(StdChans.StdInChan(), card) | |
57 | END ReadCard ; | |
58 | ||
59 | ||
60 | (* Output procedures *) | |
61 | ||
62 | PROCEDURE WriteInt (int: SHORTINT; width: CARDINAL); | |
63 | (* Writes the value of int to the default output stream in | |
64 | text form, in a field of the given minimum width. *) | |
65 | BEGIN | |
66 | ShortWholeIO.WriteInt(StdChans.StdOutChan(), int, width) | |
67 | END WriteInt ; | |
68 | ||
69 | ||
70 | PROCEDURE WriteCard (card: SHORTCARD; width: CARDINAL); | |
71 | (* Writes the value of card to the default output stream in | |
72 | text form, in a field of the given minimum width. *) | |
73 | BEGIN | |
74 | ShortWholeIO.WriteCard(StdChans.StdOutChan(), card, width) | |
75 | END WriteCard ; | |
76 | ||
77 | ||
78 | END SShortWholeIO. |