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-- GHDL Run Time (GRT) - Misc subprograms for characters and strings
-- Copyright (C) 2016 Tristan Gingold
--
-- GHDL 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 2, or (at your option) any later
-- version.
--
-- GHDL 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.
--
-- You should have received a copy of the GNU General Public License
-- along with GCC; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
--
-- As a special exception, if other files instantiate generics from this
-- unit, or you link this unit with other files to produce an executable,
-- this unit does not by itself cause the resulting executable to be
-- covered by the GNU General Public License. This exception does not
-- however invalidate any other reasons why the executable file might be
-- covered by the GNU Public License.
package Grt.Strings is
pragma Pure;
NBSP : constant Character := Character'Val (160);
-- Return True IFF C is a whitespace character (as defined in LRM93 14.3)
function Is_Whitespace (C : in Character) return Boolean;
-- The following functions return -1 in case there is no match in string ---
-- Return the index of the first non whitespace character in string
function First_Non_Whitespace_Pos (Str : String) return Integer;
-- Return the index of the last non whitespace character in string
function Last_Non_Whitespace_Pos (Str : String) return Integer;
-- Return the index of the new line character (ASCII.LF) in string
function New_Line_Pos (Line : String) return Integer;
-- Return the index of the first character that matches Char in string
function Find (Str : String; Char : Character) return Integer;
function Find (Str : String; Char : Character; Start : Positive)
return Integer;
----------------------------------------------------------------------------
-- Convert C/S to lowercase.
function To_Lower (C : Character) return Character;
-- Str/Char : image of a natural number/digit
function Value (Str : String) return Integer;
function Value (Char : Character) return Integer;
end Grt.Strings;
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