with Ada.Text_IO;
with Ada.Text_IO.Unbounded_IO;
with Ada.Strings.Unbounded;      use Ada.Strings.Unbounded;
with Ada.Containers.Vectors;     use Ada.Containers;
 
procedure Quotes is
   package IO renames Ada.Text_IO;
   package SUIO renames Ada.Text_IO.Unbounded_IO;
   package Quote_Container is new Vectors (Natural, Unbounded_String);
   use Quote_Container;
   Quotes    : Vector;
   A_Cursor  : Cursor;
   B_Cursor  : Cursor;
   Input     : IO.File_Type;
begin
   IO.Open (File => Input,
            Mode => IO.In_File,
            Name => "quotes.txt");
   while not IO.End_Of_File (File => Input) loop
      Quotes.Append (New_Item => SUIO.Get_Line (File => Input));
   end loop;
   IO.Close (Input);
 
   SUIO.Put_Line (Item => Quotes.First_Element);
   Quotes.Swap (I => 0,
                J => 9);
   SUIO.Put_Line (Item => Quotes.First_Element);
 
   A_Cursor := Quotes.To_Cursor (Index => 0);
   B_Cursor := Quotes.To_Cursor (Index => 9);
 
   SUIO.Put_Line (Item => Quotes.First_Element);
   Quotes.Swap (I => A_Cursor,
                J => B_Cursor);
   SUIO.Put_Line (Item => Quotes.First_Element);
end Quotes;

Go back


Navigation