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| 1eee94d3 GM |
1 | (* StrCase.def provides procedure to convert between text case. |
| 2 | ||
| 83ffe9cd | 3 | Copyright (C) 2001-2023 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 StrCase ; | |
| 28 | ||
| 29 | ||
| 30 | EXPORT QUALIFIED StrToUpperCase, StrToLowerCase, Cap, Lower ; | |
| 31 | ||
| 32 | ||
| 33 | (* | |
| 34 | StrToUpperCase - converts string, a, to uppercase returning the | |
| 35 | result in, b. | |
| 36 | *) | |
| 37 | ||
| 38 | PROCEDURE StrToUpperCase (a: ARRAY OF CHAR ; VAR b: ARRAY OF CHAR) ; | |
| 39 | ||
| 40 | ||
| 41 | (* | |
| 42 | StrToLowerCase - converts string, a, to lowercase returning the | |
| 43 | result in, b. | |
| 44 | *) | |
| 45 | ||
| 46 | PROCEDURE StrToLowerCase (a: ARRAY OF CHAR ; VAR b: ARRAY OF CHAR) ; | |
| 47 | ||
| 48 | ||
| 49 | (* | |
| 50 | Cap - converts a lower case character into a capital character. | |
| 51 | If the character is not a lower case character 'a'..'z' | |
| 52 | then the character is simply returned unaltered. | |
| 53 | *) | |
| 54 | ||
| 55 | PROCEDURE Cap (ch: CHAR) : CHAR ; | |
| 56 | ||
| 57 | ||
| 58 | (* | |
| 59 | Lower - converts an upper case character into a lower case character. | |
| 60 | If the character is not an upper case character 'A'..'Z' | |
| 61 | then the character is simply returned unaltered. | |
| 62 | *) | |
| 63 | ||
| 64 | PROCEDURE Lower (ch: CHAR) : CHAR ; | |
| 65 | ||
| 66 | ||
| 67 | END StrCase. |