1 ;;; modb.el --- Message Orchestration DataBase.
3 ;; Copyright (C) 2003 Yuuichi Teranishi <teranisi@gohome.org>
5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
6 ;; Hiroya Murata <lapis-lazuli@pop06.odn.ne.jp>
7 ;; Keywords: mail, net news
9 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
11 ;; This program is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; This program is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
33 (eval-when-compile (require 'cl))
36 (require 'modb-entity)
39 (luna-define-class modb-generic () (location ; location for save.
40 message-modified ; message is modified.
41 flag-modified ; flag is modified.
43 (luna-define-internal-accessors 'modb-generic))
45 (luna-define-generic elmo-msgdb-load (msgdb)
48 (luna-define-generic elmo-msgdb-save (msgdb)
51 (luna-define-generic elmo-msgdb-location (msgdb)
52 "Return the location of MSGDB.")
54 (luna-define-generic elmo-msgdb-message-modified-p (msgdb)
55 "Return non-nil if message is modified.")
57 (luna-define-generic elmo-msgdb-flag-modified-p (msgdb)
58 "Return non-nil if flag is modified.")
60 (luna-define-generic elmo-msgdb-append (msgdb msgdb-append)
61 "Append the MSGDB-APPEND to the MSGDB.
62 Return a list of messages which have duplicated message-id.")
64 (luna-define-generic elmo-msgdb-clear (msgdb)
65 "Clear the MSGDB structure.")
67 (luna-define-generic elmo-msgdb-length (msgdb)
68 "Return number of messages in the MSGDB")
70 (luna-define-generic elmo-msgdb-flags (msgdb number)
71 "Return a list of flag which corresponds to the message with NUMBER.")
73 (luna-define-generic elmo-msgdb-set-flag (msgdb number flag)
75 MSGDB is the ELMO msgdb.
76 NUMBER is a message number to set flag.
77 FLAG is a symbol which is one of the following:
78 `new' ... Message which is new.
79 `read' ... Message which is already read.
80 `important' ... Message which is important.
81 `answered' ... Message which is answered.
82 `cached' ... Message which is cached.")
84 (luna-define-generic elmo-msgdb-unset-flag (msgdb number flag)
86 MSGDB is the ELMO msgdb.
87 NUMBER is a message number to set flag.
88 FLAG is a symbol which is one of the following:
89 `new' ... Message which is new.
90 `read' ... Message which is already read.
91 `important' ... Message which is important.
92 `answered' ... Message which is answered.
93 `cached' ... Message which is cached.")
95 (luna-define-generic elmo-msgdb-list-messages (msgdb)
96 "Return a list of message numbers in the MSGDB.")
98 (luna-define-generic elmo-msgdb-list-flagged (msgdb flag)
99 "Return a list of message numbers which is set FLAG in the MSGDB.")
101 ;;; (luna-define-generic elmo-msgdb-search (msgdb condition &optional numbers)
102 ;;; "Search and return list of message numbers.
103 ;;; MSGDB is the ELMO msgdb structure.
104 ;;; CONDITION is a condition structure for searching.
105 ;;; If optional argument NUMBERS is specified and is a list of message numbers,
106 ;;; messages are searched from the list.")
108 (luna-define-generic elmo-msgdb-append-entity (msgdb entity &optional flags)
109 "Append a ENTITY with FLAGS into the MSGDB.
110 Return non-nil if message-id of entity is duplicated.")
112 (luna-define-generic elmo-msgdb-delete-messages (msgdb numbers)
113 "Delete messages which are contained NUMBERS from MSGDB.")
115 (luna-define-generic elmo-msgdb-sort-entities (msgdb predicate
117 "Sort entities of MSGDB, comparing with PREDICATE.
118 PREDICATE is called with two entities and APP-DATA.
119 Should return non-nil if the first entity is \"less\" than the second.")
121 (luna-define-generic elmo-msgdb-message-entity (msgdb key)
122 "Return the message-entity structure which matches to the KEY.
123 KEY is a number or a string.
124 A number is for message number in the MSGDB.
125 A string is for message-id of the message.")
127 (luna-define-generic elmo-msgdb-message-entity-handler (msgdb)
128 "Get modb entity handler instance which corresponds to the MSGDB.")
130 ;;; generic implement
132 (luna-define-method elmo-msgdb-load ((msgdb modb-generic))
135 (luna-define-method elmo-msgdb-location ((msgdb modb-generic))
136 (modb-generic-location-internal msgdb))
138 (luna-define-method elmo-msgdb-message-modified-p ((msgdb modb-generic))
139 (modb-generic-message-modified-internal msgdb))
141 (luna-define-method elmo-msgdb-flag-modified-p ((msgdb modb-generic))
142 (modb-generic-flag-modified-internal msgdb))
144 (luna-define-method elmo-msgdb-append ((msgdb modb-generic) msgdb-append)
146 (dolist (number (elmo-msgdb-list-messages msgdb-append))
147 (when (elmo-msgdb-append-entity
149 (elmo-msgdb-message-entity msgdb-append number)
150 (elmo-msgdb-flags msgdb-append number))
151 (setq duplicates (cons number duplicates))))
154 (luna-define-method elmo-msgdb-clear ((msgdb modb-generic))
155 (modb-generic-set-message-modified-internal msgdb nil)
156 (modb-generic-set-flag-modified-internal msgdb nil))
158 (luna-define-method elmo-msgdb-length ((msgdb modb-generic))
162 (luna-define-method elmo-msgdb-message-entity-handler ((msgdb modb-generic))
163 (or modb-entity-default-cache-internal
164 (setq modb-entity-default-cache-internal
165 (luna-make-entity modb-entity-default-handler))))
167 ;; for on demand loading
168 (provide 'modb-generic)
171 (product-provide (provide 'modb) (require 'elmo-version))
173 ;;; modb.el ends here