From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD,
	FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news1.google.com!postnews.google.com!d45g2000hsc.googlegroups.com!not-for-mail
From: Gene <gene.ressler@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Using Ada.Containers.Vector and Limited Private types
Date: Thu, 10 Jul 2008 15:59:30 -0700 (PDT)
Organization: http://groups.google.com
Message-ID: 
 <4c5bfeb0-daa0-45e4-82f0-eebabda565e9@d45g2000hsc.googlegroups.com>
References: <MrNoSpam-843547.21533805072008@news-server.bigpond.net.au>
	<8ff4c6c2-9892-463e-bdfd-1f7bfd78d607@s50g2000hsb.googlegroups.com>
	<MrNoSpam-A95CF0.10160610072008@news-server.bigpond.net.au>
NNTP-Posting-Host: 134.240.241.2
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1215730771 798 127.0.0.1 (10 Jul 2008 22:59:31
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Thu, 10 Jul 2008 22:59:31 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: d45g2000hsc.googlegroups.com; posting-host=134.240.241.2;
	posting-account=-BkjswoAAACC3NU8b6V8c50JQ2JBOs04
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR
	2.0.50727; InfoPath.1; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; MS-RTC
	LM 8),gzip(gfe),gzip(gfe)
Xref: g2news1.google.com comp.lang.ada:1097
Date: 2008-07-10T15:59:30-07:00
List-Id: <comp.lang.ada>

On Jul 9, 8:16=A0pm, Dale Stanbrough <MrNoS...@bigpoop.net.au> wrote:
> Gene <gene.ress...@gmail.com> wrote:
>
> [as did others] a solution to my problem. Thanks!
>

But as Dmitry pointed out, what I wrote has some portability risk.  To
avoid this, just copy the bits you need into your own (non-limited)
data structure.

with Ada.Text_IO;            use Ada.Text_IO;
with Ada.Integer_Text_IO;    use Ada.Integer_Text_IO;
with Ada.Containers.Vectors;
with Ada.Directories;        use Ada.Directories;
with Ada.Calendar;           use Ada.Calendar; -- for comparing  date/
times

procedure List_By_Date is

   type String_Ptr_Type is access String;
   type File_Info_Type is
      record
         Modification_Time : Time;
         Simple_Name : String_Ptr_Type; -- Freed with storage pool!
      end record;

   package File_Info_Vectors is
     new Ada.Containers.Vectors (Positive, File_Info_Type);
   use File_Info_Vectors;
   DV : Vector;

begin
   declare
      Directory     : constant Filter_Type :=3D (True, False, False);
      Ordinary_File : constant Filter_Type :=3D (False, True, False);
      Results        : Search_Type; -- used to hold the result of a
search
      Directory_Entry : Directory_Entry_Type;
   begin
      Start_Search(Results,
                   Directory =3D> Current_Directory,
                   Pattern   =3D> "", -- select all files
                   Filter    =3D> Directory or Ordinary_File);

      while More_Entries (Results) loop
         Get_Next_Entry (Results, Directory_Entry);
         DV.Append(File_Info_Type'(
           Modification_Time =3D> Modification_Time(Directory_Entry),
           Simple_Name =3D> new String'(Simple_Name(Directory_Entry))));
      end loop;
   end;

   -- sort the entries
   declare
      function "<" (Left, Right : in File_Info_Type) return Boolean is
      begin
         return Left.Modification_Time < Right.Modification_Time;
      end "<";

      package Dir_Vector_Sorting is new Generic_Sorting ("<");
   begin
      Dir_Vector_Sorting.Sort (DV);
   end;

   -- display the entries
   declare
      procedure Display_Entry (C : Cursor) is
      begin
         Put_Line (Element (C).Simple_Name.all);
      end Display_Entry;
   begin
      DV.Iterate (Display_Entry'Access);
   end;

end List_By_Date;