-- SPDX-License-Identifier: Apache-2.0
--
-- Copyright (c) 2017 onox <denkpadje@gmail.com>
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
with Ada.Characters.Latin_1;
with Ada.Strings.Fixed;
package body Strings is
package L1 renames Ada.Characters.Latin_1;
package SF renames Ada.Strings.Fixed;
function Trim (Value : String) return String is (SF.Trim (Value, Ada.Strings.Both));
function Strip_Line_Term (Value : String) return String is
Last_Index : Natural := Value'Last;
begin
for Index in reverse Value'Range loop
exit when Value (Index) not in L1.LF | L1.CR;
Last_Index := Last_Index - 1;
end loop;
return Value (Value'First .. Last_Index);
end Strip_Line_Term;
function Lines (Value : String) return Positive is
(SF.Count (Strip_Line_Term (Value), "" & L1.LF) + 1);
function Split
(Value : String;
Separator : String := " ";
Maximum : Natural := 0) return String_List
is
Index : Positive := Value'First;
Auto_Count : constant Positive := SF.Count (Value, Separator) + 1;
Count : constant Positive :=
(if Maximum > 0 then Positive'Min (Maximum, Auto_Count) else Auto_Count);
begin
return Result : String_List (1 .. Count) do
for I in Result'First .. Result'Last - 1 loop
declare
Next_Index : constant Positive := SF.Index (Value, Separator, Index);
begin
Result (I) := SU.To_Unbounded_String (Value (Index .. Next_Index - 1));
Index := Next_Index + Separator'Length;
end;
end loop;
Result (Result'Last) := SU.To_Unbounded_String (Value (Index .. Value'Last));
end return;
end Split;
function Join (List : String_List; Separator : String) return String is
Result : SU.Unbounded_String;
begin
for Index in List'First .. List'Last - 1 loop
SU.Append (Result, List (Index));
SU.Append (Result, Separator);
end loop;
SU.Append (Result, List (List'Last));
return +Result;
end Join;
end Strings;