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| 1eee94d3 GM |
1 | (* StringChan.def provides String input/output over channels. |
| 2 | ||
| 83ffe9cd | 3 | Copyright (C) 2009-2023 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 | DEFINITION MODULE StringChan ; | |
| 28 | ||
| 29 | (* | |
| 30 | Title : StringChan | |
| 31 | Author : Gaius Mulley | |
| 32 | System : GNU Modula-2 | |
| 33 | Date : Fri Feb 20 23:29:51 2009 | |
| 34 | Revision : $Version$ | |
| 35 | Description: provides a set of Channel and String | |
| 36 | input and output procedures. | |
| 37 | *) | |
| 38 | ||
| 39 | FROM DynamicStrings IMPORT String ; | |
| 40 | IMPORT IOChan; | |
| 41 | ||
| 42 | ||
| 43 | (* | |
| 44 | writeString - writes a string, s, to ChanId, cid. | |
| 45 | The string, s, is not destroyed. | |
| 46 | *) | |
| 47 | ||
| 48 | PROCEDURE writeString (cid: IOChan.ChanId; s: String) ; | |
| 49 | ||
| 50 | ||
| 51 | (* | |
| 52 | writeFieldWidth - writes a string, s, to ChanId, cid. | |
| 53 | The string, s, is not destroyed and it | |
| 54 | is prefixed by spaces so that at least, | |
| 55 | width, characters are written. If the | |
| 56 | string, s, is longer than width then | |
| 57 | no spaces are prefixed to the output | |
| 58 | and the entire string is written. | |
| 59 | *) | |
| 60 | ||
| 61 | PROCEDURE writeFieldWidth (cid: IOChan.ChanId; | |
| 62 | s: String; width: CARDINAL) ; | |
| 63 | ||
| 64 | ||
| 65 | END StringChan. |