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;
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);
 
   --  Insert an element at the second index of the vector
   Quotes.Insert (Before   => 1,
                  New_Item => To_Unbounded_String ("New second index!"));
 
   --  Insert two identical elements at the fifth index of the vector
   Quotes.Insert (Before   => 4,
                  New_Item => To_Unbounded_String 
                    ("Two new elements @ 4 and 5!"),
                  Count    => 2);
 
   --  Insert two empty elements before the last index of the vector
   Quotes.Insert (Before => Quotes.Last_Index,
                  Count  => 2);
 
   for i in Quotes.First_Index .. Quotes.Last_Index loop
      SUIO.Put_Line (Item => i'Img & " " & Quotes.Element (i));
   end loop;
end Quotes;

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;
   Q_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);
 
   --  Move the cursor to the first position of the Quotes vector.
   Q_Cursor := Quotes.First;
 
   --  Insert an element at the first position of the vector.
   Quotes.Insert (Before   => Q_Cursor,
                  New_Item => To_Unbounded_String ("New index 0!"));
 
   --  Move the cursor to the 5th. position of the vector
   Q_Cursor := Quotes.To_Cursor (Index => 4);
 
   --  Insert an element before the current 5th. position in the vector and
   --  set the current position of the cursor.
   Quotes.Insert (Before   => Q_Cursor,
                  New_Item => To_Unbounded_String ("New index 4!"),
                  Position => Q_Cursor);
 
   --  Move the cursor to the next position
   Q_Cursor := Next (Position => Q_Cursor);
 
   --  Insert two new elements before the current 6th. position in the vector.
   Quotes.Insert (Before   => Q_Cursor,
                  New_Item => To_Unbounded_String ("New index 5 and 6!"),
                  Count    => 2);
 
   --  Move the cursor to the 10th. position of the vector.
   Q_Cursor := Quotes.To_Cursor (Index => 9);
 
   --  Insert two elements before the 10th. position and set the current 
   --  position of the cursor.
   Quotes.Insert (Before   => Q_Cursor,
                  New_Item => To_Unbounded_String ("New index 9 and 10!"),
                  Position => Q_Cursor,
                  Count    => 2);
 
   --  Move the cursor to the last position of the vector.
   Q_Cursor := Quotes.Last;
 
   --  Insert two empty elements before the last position and set the position
   --  of the cursor.
   Quotes.Insert (Before   => Q_Cursor,
                  Position => Q_Cursor,
                  Count    => 2);
 
   --  Move the cursor to the 1st. postion of the vector.
   Q_Cursor := Quotes.First;
   for i in Quotes.First_Index .. Quotes.Last_Index loop
      --  Output the element of the current position.
      SUIO.Put_Line (Item => To_Index (Position => Q_Cursor)'Img & 
                     Element (Position => Q_Cursor));
 
      --  Move the cursor to the next position in the vector.
      Next (Position => Q_Cursor);
   end loop;
end Quotes;

Go back