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;
Input : IO.File_Type;
A_Cursor : Cursor;
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);
-- Point the cursor to the first index and output the index value
A_Cursor := Quotes.To_Cursor (Index => Quotes.First_Index);
IO.Put_Line (Item => To_Index (Position => A_Cursor)'Img);
-- Point the cursor to the 5th. index and output the index value
A_Cursor := Quotes.To_Cursor (Index => 5);
IO.Put_Line (Item => To_Index (Position => A_Cursor)'Img);
-- Point the cursor to a non-existant index, convert to an index and
-- check for No_Index
A_Cursor := Quotes.To_Cursor (Index => 42);
if To_Index (Position => A_Cursor) = No_Index then
IO.Put_Line (Item => "No_Index");
end if;
end Quotes;
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