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-- Topal: GPG/GnuPG and Alpine/Pine integration
-- Copyright (C) 2001--2010 Phillip J. Brooke
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License version 3 as
-- published by the Free Software Foundation.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
with Ada.Text_IO;
with Externals; use Externals;
with Externals.Mail;
with Externals.Simple;
with Menus; use Menus;
with Misc; use Misc;
with Readline;
package body Attachments is
Attachment_List_Initial_Size : constant Positive := 50;
type Menu_Array_Ptr is access all Attachlist_Menus.MNA;
-- Add an attachment to the list....
procedure Add_Attachment (Filename : in UBS;
List : in out Attachment_List) is
Match : Boolean := False;
begin
Debug("+Add_Attachment");
-- Is it a duplicate?
Debug("Add_Attachment: Checking for duplicates");
declare
use type UBS;
begin
Debug("Add_Attachment: Approaching duplicates loop");
for I in 1..List.Count loop
Debug("Add_Attachment: In duplicates loop");
Match := Match or Filename = UAP.Value(List.AA, I);
end loop;
end;
if not Match then
-- Add the attachment.
Debug("Add_Attachment: Adding an attachment");
List.Count := List.Count + 1;
UAP.Set(List.AA, List.Count, Filename);
Debug("Add_Attachment: Done adding an attachment");
end if;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Attachments.Add_Attachment");
raise;
end Add_Attachment;
-- Remove a key. We then shuffle the array down.
-- It will only remove the last key if there are multiple instances.
procedure Remove_Attachment (Filename : in UBS;
List : in out Attachment_List) is
A_Num : Integer;
A_Found : Boolean := False;
use type UBS;
begin
for I in 1..List.Count loop
if Filename = UAP.Value(List.AA, I) then
A_Found := True;
A_Num := I;
end if;
end loop;
if A_Found then
-- Shuffle the array over it.
for I in A_Num .. List.Count - 1 loop
UAP.Set(List.AA, I, UAP.Value(List.AA, I+1));
end loop;
-- Reduce the number of keys.
List.Count := List.Count - 1;
else
raise Attachment_Not_Found;
end if;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Attachments.Remove_Attachment");
raise;
end Remove_Attachment;
-- List the keys and edit them as appropriate (include removing a key
-- from that list, and adding one from the keyring.
procedure List (List : in out Attachment_List) is
A_Head_Length : constant Positive := 74;
A_Menu : Menu_Array_Ptr;
procedure Generate_A_List is
begin
Debug("+Generate_A_List");
-- Create a menu with the prefix of these attachments.
A_Menu := new Attachlist_Menus.MNA(1..List.Count);
for I in 1..List.Count loop
declare
S : constant String := ToStr(UAP.Value(List.AA, I));
begin
if S'Length < A_Head_Length then
A_Menu(I) := ToUBS(S);
else
-- Get the first 10, then ..., then A_Head_Length-13 of the last characters.
A_Menu(I) := ToUBS(S(S'First..S'First+9)
& "..."
& S(S'Last-A_Head_Length+14..S'Last));
end if;
end;
end loop;
Debug("-Generate_A_List");
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Attachments.List.Generate_A_List");
raise;
end Generate_A_List;
Selection : Attachlist_Menus.CLM_Return;
Selected : Integer;
begin
Debug("+List");
Generate_A_List;
List_Keys_Loop:
loop
Ada.Text_IO.New_Line(5);
Ada.Text_IO.Put_Line(Do_SGR(Config.UBS_Opts(Colour_Menu_Title))
& "** Attachment menu:"
& Reset_SGR);
Ada.Text_IO.Put_Line(Integer'Image(Attachments.Count(List))
& " attachment(s)");
Selection := Attachlist_Menu(A_Menu.all);
if not Selection.Is_Num then
case Selection.I is
when Done =>
exit List_Keys_Loop;
when Add => -- Add filename.
declare
New_Filename : UBS;
Alt_Filename : UBS;
use Ada.Text_IO;
begin
New_Line(1);
Put_Line("Add attachment:");
New_Filename
:= ToUBS(Readline.Get_String("Type filename: ",
Enable_Tab_Completion => True));
-- Deal with the last space that we'll often get.
declare
NFN : constant String := ToStr(New_Filename);
begin
if NFN(NFN'Last) = ' ' then
Alt_Filename := ToUBS(NFN(NFN'First..NFN'Last-1));
else
Alt_Filename := New_Filename;
end if;
end;
-- Does it exist?
if Externals.Simple.Test_R(ToStr(New_Filename)) then
Add_Attachment(New_Filename, List);
Generate_A_List;
elsif Externals.Simple.Test_R(ToStr(Alt_Filename)) then
Add_Attachment(Alt_Filename, List);
Generate_A_List;
else
Put_Line("`" & ToStr(New_Filename) & "' is not readable or does not exist (if you've used a `~', try expanding it)");
end if;
end;
end case;
else
-- Remove the given number.
Selected := Selection.N;
Remove_Attachment(UAP.Value(List.AA, Selected),
List);
Generate_A_List;
end if;
end loop List_Keys_Loop;
Debug("-List_Keys");
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Attachments.List");
raise;
end List;
procedure Empty_Attachment_List (List : in out Attachment_List) is
begin
UAP.Create(List.AA, Attachment_List_Initial_Size);
List.Count := 0;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Attachments.Empty_Attachment_List");
raise;
end Empty_Attachment_List;
function Count (List : in Attachment_List) return Natural is
begin
return List.Count;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Attachments.Count");
raise;
end Count;
procedure Replace_Tmpfile (Tmpfile : in String;
List : in Attachment_List) is
AL : UBS_Array(1..Count(List)+1);
BF : constant String := Temp_File_Name("att64-");
TF : constant String := Temp_File_Name("attrtf");
CT : UBS;
begin
-- Do nothing if the attachment list is empty.
if List.Count /= 0 then
-- Now, construct a list of items.
AL(1) := ToUBS(Tmpfile);
for I in 1..List.Count loop
-- Guess the content type.
CT := ToUBS(Externals.Simple.Guess_Content_Type(ToStr(UAP.Value(List.AA, I))) & "; name="""&Basename(ToStr(UAP.Value(List.AA, I)))&"""");
-- Create a base64 subpart.
Externals.Mail.Mimeconstruct_Subpart(Infile => ToStr(UAP.Value(List.AA, I)),
Outfile => BF & Trim_Leading_Spaces(Integer'Image(I)),
Content_Type => ToStr(CT),
Dos2UnixU => True,
Use_Encoding => True,
Encoding => "base64");
-- Add the base64's file to the list.
AL(I+1) := ToUBS(BF & Trim_Leading_Spaces(Integer'Image(I)));
Ada.Text_IO.Put_Line("Added file `"&ToStr(UAP.Value(List.AA, I))&"' with content-type `"&ToStr(CT)&"'");
end loop;
-- And call mimeconstruct.
Externals.Mail.Mimeconstruct_Mixed(AL, TF);
-- Then replace the original tmpfile.
Externals.Simple.Mv_F(TF, Tmpfile);
-- Convert to CR-LF line endings.
Externals.Simple.Dos2Unix_U(Tmpfile);
end if;
exception
when others =>
Ada.Text_IO.Put_Line(Ada.Text_IO.Standard_Error,
"Exception raised in Attachments.Replace_Tmpfile");
raise;
end Replace_Tmpfile;
end Attachments;
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