| (* Strings.def provides a Logitech-3.0 compatible library. |
| |
| Copyright (C) 2005-2025 Free Software Foundation, Inc. |
| Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>. |
| |
| This file is part of GNU Modula-2. |
| |
| GNU Modula-2 is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GNU Modula-2 is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. *) |
| |
| DEFINITION MODULE Strings ; |
| |
| EXPORT QUALIFIED Assign, Insert, Delete, Pos, Copy, ConCat, Length, |
| CompareStr ; |
| |
| (* |
| Assign - dest := source. |
| *) |
| |
| PROCEDURE Assign (VAR dest: ARRAY OF CHAR; source: ARRAY OF CHAR) ; |
| |
| |
| (* |
| Insert - insert the string, substr, into str at position, index. |
| substr, is added to the end of, str, if, index >= length(str) |
| *) |
| |
| PROCEDURE Insert (substr: ARRAY OF CHAR; VAR str: ARRAY OF CHAR; |
| index: CARDINAL) ; |
| |
| |
| (* |
| Delete - delete len characters from, str, starting at, index. |
| *) |
| |
| PROCEDURE Delete (VAR str: ARRAY OF CHAR; index: CARDINAL; length: CARDINAL) ; |
| |
| |
| (* |
| Pos - return the first position of substr in str. |
| If substr is not found in str then it returns |
| HIGH (str) + 1. |
| *) |
| |
| PROCEDURE Pos (substr, str: ARRAY OF CHAR) : CARDINAL ; |
| |
| |
| (* |
| Copy - copy at most, length, characters in, substr, to, str, |
| starting at position, index. |
| *) |
| |
| PROCEDURE Copy (str: ARRAY OF CHAR; |
| index, length: CARDINAL; VAR result: ARRAY OF CHAR) ; |
| |
| (* |
| ConCat - concatenates two strings, s1, and, s2 |
| and places the result into, dest. |
| *) |
| |
| PROCEDURE ConCat (s1, s2: ARRAY OF CHAR; VAR dest: ARRAY OF CHAR) ; |
| |
| |
| (* |
| Length - return the length of string, s. |
| *) |
| |
| PROCEDURE Length (s: ARRAY OF CHAR) : CARDINAL ; |
| |
| |
| (* |
| CompareStr - compare two strings, left, and, right. |
| *) |
| |
| PROCEDURE CompareStr (left, right: ARRAY OF CHAR) : INTEGER ; |
| |
| |
| END Strings. |