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(* 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.
*)
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.
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