/usr/share/ada/adainclude/aws/aws-attachments.ads is in libaws3.3.2-dev 3.3.2-2.
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-- Ada Web Server --
-- --
-- Copyright (C) 2004-2014, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by the --
-- Free Software Foundation; either version 3, or (at your option) any --
-- later version. This library 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
------------------------------------------------------------------------------
pragma Ada_2012;
with Ada.Strings.Unbounded;
with AWS.Headers;
with AWS.MIME;
with AWS.Net;
private with Ada.Containers.Vectors;
package AWS.Attachments is
use Ada.Strings.Unbounded;
type Element is private;
type List is tagged private;
Empty_List : constant List;
type Content is private;
type Encoding is (None, Base64);
function File
(Filename : String;
Encode : Encoding := None;
Content_Id : String := "";
Content_Type : String := MIME.Text_Plain) return Content;
-- A filename as content, if Encode is set to Base64 the file content will
-- be base64 encoded.
function Value
(Data : String;
Name : String := "";
Encode : Encoding := None;
Content_Id : String := "";
Content_Type : String := MIME.Text_Plain) return Content;
-- A string as content
type Attachment_Kind is (Data, Alternative);
-- Data : for a standard MIME attachment
-- Alternative : for a set of alternative content
procedure Add
(Attachments : in out List;
Filename : String;
Content_Id : String;
Headers : AWS.Headers.List := AWS.Headers.Empty_List;
Name : String := "";
Encode : Encoding := None)
with Post => Count (Attachments) = Count (Attachments'Old) + 1;
-- Adds an Attachment to the list.
-- Note that the encoding will overwrite the corresponding entry in
-- headers.
procedure Add
(Attachments : in out List;
Filename : String;
Headers : AWS.Headers.List;
Name : String := "";
Encode : Encoding := None)
with Post => Count (Attachments) = Count (Attachments'Old) + 1;
-- Adds an Attachment to the list.
-- Note that the encoding will overwrite the corresponding entry in
-- headers.
procedure Add
(Attachments : in out List;
Name : String;
Data : Content;
Headers : AWS.Headers.List := AWS.Headers.Empty_List)
with Post => Count (Attachments) = Count (Attachments'Old) + 1;
-- Adds an Attachment to the list.
-- Note that the encoding and content type attached to Data will
-- overwrite the corresponding entry in headers.
-- Alternatives content
type Alternatives is private;
procedure Add
(Parts : in out Alternatives;
Data : Content);
-- Add an alternative content
procedure Add
(Attachments : in out List;
Parts : Alternatives);
-- Add an alternative group to the current attachment list
procedure Reset
(Attachments : in out List;
Delete_Files : Boolean)
with Post => Count (Attachments) = 0;
-- Reset the list to be empty. If Delete_Files is set to true the
-- attached files are removed from the file system.
function Count (Attachments : List) return Natural with Inline;
-- Returns the number of Attachments in the data
function Get
(Attachments : List;
Index : Positive) return Element
with Pre => Index <= Count (Attachments);
-- Returns specified Attachment
function Get
(Attachments : List;
Content_Id : String) return Element
with
Pre =>
(for some K in 1 .. Count (Attachments)
=> AWS.Attachments.Content_Id (Get (Attachments, K)) = Content_Id);
-- Returns the Attachment with the Content Id
generic
with procedure Action
(Attachment : Element;
Index : Positive;
Quit : in out Boolean);
procedure For_Every_Attachment (Attachments : List);
-- Calls action for every Attachment in Message. Stop iterator if Quit is
-- set to True, Quit is set to False by default.
procedure Iterate
(Attachments : List;
Process : not null access procedure (Attachment : Element));
-- Calls Process for every Attachment in Message
function Headers (Attachment : Element) return AWS.Headers.List with Inline;
-- Returns the list of header lines for the attachment
function Content_Type (Attachment : Element) return String;
-- Get value for "Content-Type:" header
function Content_Id (Attachment : Element) return String;
-- Returns Attachment's content id
function Local_Filename (Attachment : Element) return String;
-- Returns the local filename of the Attachment.
-- Local filename is the name the receiver used when extracting the
-- Attachment into a file.
function Filename (Attachment : Element) return String;
-- Original filename on the server side. This is generally encoded on the
-- content-type or content-disposition header.
function Kind (Attachment : Element) return Attachment_Kind with Inline;
-- Returns the kind of the given attachment
function Length
(Attachments : List;
Boundary : String) return Positive
with Post => Length'Result > 8;
-- Returns the complete size of all attachments including the surrounding
-- boundaries.
procedure Send_MIME_Header
(Socket : Net.Socket_Type'Class;
Attachments : List;
Boundary : out Unbounded_String;
Alternative : Boolean := False);
-- Output MIME header, returns the boundary for the content
procedure Send
(Socket : AWS.Net.Socket_Type'Class;
Attachments : List;
Boundary : String);
-- Send all Attachments, including the surrounding boundarys, in the list
-- to the socket.
type Root_MIME_Kind is (Multipart_Mixed, Multipart_Alternative);
function Root_MIME (Attachments : List) return Root_MIME_Kind;
-- Returns the root MIME kind for the given attachment list
private
use Ada;
type Content_Kind is (File, Data);
type Content (Kind : Content_Kind := File) is record
Length : Natural;
Content_Id : Unbounded_String;
Content_Type : Unbounded_String;
Filename : Unbounded_String;
Encode : Encoding;
case Kind is
when File =>
null;
when Data =>
Content : Unbounded_String;
end case;
end record;
package Alternative_Table is new Containers.Vectors (Positive, Content);
type Element (Kind : Attachment_Kind := Data) is record
Headers : AWS.Headers.List;
Total_Length : Natural;
case Kind is
when Data =>
Data : Content;
when Alternative =>
Parts : Alternative_Table.Vector;
end case;
end record;
type Alternatives is new Element (Kind => Alternative);
package Attachment_Table is new Ada.Containers.Vectors (Positive, Element);
type List is tagged record
Vector : Attachment_Table.Vector;
end record;
Empty_List : constant List := (Vector => Attachment_Table.Empty_Vector);
end AWS.Attachments;
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