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;;; eudcb-bbdb.el --- Emacs Unified Directory Client - BBDB Backend
;; Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
;; Author: Oscar Figueiredo <oscar@xemacs.org>
;; Maintainer: Oscar Figueiredo <oscar@xemacs.org>
;; Keywords: help
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; This library provides an interface to use BBDB as a backend of
;; the Emacs Unified Directory Client.
;;; Code:
(require 'eudc)
(if (not (featurep 'bbdb))
(load-library "bbdb"))
(if (not (featurep 'bbdb-com))
(load-library "bbdb-com"))
;;{{{ Internal cooking
;; I don't like this but mapcar does not accept a parameter to the function and
;; I don't want to use mapcar*
(defvar eudc-bbdb-current-query nil)
(defvar eudc-bbdb-current-return-attributes nil)
(defvar eudc-bbdb-attributes-translation-alist
'((name . lastname)
(email . net)
(phone . phones))
"Alist mapping EUDC attribute names to BBDB names.")
(eudc-protocol-set 'eudc-query-function 'eudc-bbdb-query-internal 'bbdb)
(eudc-protocol-set 'eudc-list-attributes-function nil 'bbdb)
(eudc-protocol-set 'eudc-protocol-attributes-translation-alist
'eudc-bbdb-attributes-translation-alist 'bbdb)
(eudc-protocol-set 'eudc-bbdb-conversion-alist nil 'bbdb)
(eudc-protocol-set 'eudc-protocol-has-default-query-attributes nil 'bbdb)
(defun eudc-bbdb-format-query (query)
"Format a EUDC query alist into a list suitable to `bbdb-search'."
(let* ((firstname (cdr (assq 'firstname query)))
(lastname (cdr (assq 'lastname query)))
(name (or (and firstname lastname
(concat firstname " " lastname))
firstname
lastname))
(company (cdr (assq 'company query)))
(net (cdr (assq 'net query)))
(notes (cdr (assq 'notes query)))
(phone (cdr (assq 'phone query))))
(list name company net notes phone)))
(defun eudc-bbdb-filter-non-matching-record (record)
"Return RECORD if it matches `eudc-bbdb-current-query', nil otherwise."
(catch 'unmatch
(progn
(mapcar
(function
(lambda (condition)
(let ((attr (car condition))
(val (cdr condition))
(case-fold-search t)
bbdb-val)
(or (and (memq attr '(firstname lastname aka company phones addresses net))
(progn
(setq bbdb-val
(eval (list (intern (concat "bbdb-record-"
(symbol-name attr)))
'record)))
(if (listp bbdb-val)
(if eudc-bbdb-enable-substring-matches
(eval `(or ,@(mapcar '(lambda (subval)
(string-match val
subval))
bbdb-val)))
(member (downcase val)
(mapcar 'downcase bbdb-val)))
(if eudc-bbdb-enable-substring-matches
(string-match val bbdb-val)
(string-equal (downcase val) (downcase bbdb-val))))))
(throw 'unmatch nil)))))
eudc-bbdb-current-query)
record)))
(defun eudc-bbdb-extract-phones (record)
(mapcar (function
(lambda (phone)
(if eudc-bbdb-use-locations-as-attribute-names
(cons (intern (bbdb-phone-location phone))
(bbdb-phone-string phone))
(cons 'phones (format "%s: %s"
(bbdb-phone-location phone)
(bbdb-phone-string phone))))))
(bbdb-record-phones record)))
(defun eudc-bbdb-extract-addresses (record)
(let (s c val)
(mapcar (function
(lambda (address)
(setq val (concat (unless (= 0 (length (setq s (bbdb-address-street1 address))))
(concat s "\n"))
(unless (= 0 (length (setq s (bbdb-address-street2 address))))
(concat s "\n"))
(unless (= 0 (length (setq s (bbdb-address-street3 address))))
(concat s "\n"))
(progn
(setq c (bbdb-address-city address))
(setq s (bbdb-address-state address))
(if (and (> (length c) 0) (> (length s) 0))
(concat c ", " s " ")
(concat c " ")))
(bbdb-address-zip-string address)))
(if eudc-bbdb-use-locations-as-attribute-names
(cons (intern (bbdb-address-location address)) val)
(cons 'addresses (concat (bbdb-address-location address) "\n" val)))))
(bbdb-record-addresses record))))
(defun eudc-bbdb-format-record-as-result (record)
"Format the BBDB RECORD as a EUDC query result record.
The record is filtered according to `eudc-bbdb-current-return-attributes'"
(let ((attrs (or eudc-bbdb-current-return-attributes
'(firstname lastname aka company phones addresses net notes)))
attr
eudc-rec
val)
(while (prog1
(setq attr (car attrs))
(setq attrs (cdr attrs)))
(cond
((eq attr 'phones)
(setq val (eudc-bbdb-extract-phones record)))
((eq attr 'addresses)
(setq val (eudc-bbdb-extract-addresses record)))
((memq attr '(firstname lastname aka company net notes))
(setq val (eval
(list (intern
(concat "bbdb-record-"
(symbol-name attr)))
'record))))
(t
(setq val "Unknown BBDB attribute")))
(if val
(cond
((memq attr '(phones addresses))
(setq eudc-rec (append val eudc-rec)))
((and (listp val)
(= 1 (length val)))
(setq eudc-rec (cons (cons attr (car val)) eudc-rec)))
((> (length val) 0)
(setq eudc-rec (cons (cons attr val) eudc-rec)))
(t
(error "Unexpected attribute value")))))
(nreverse eudc-rec)))
(defun eudc-bbdb-query-internal (query &optional return-attrs)
"Query BBDB with QUERY.
QUERY is a list of cons cells (ATTR . VALUE) where ATTRs should be valid
BBDB attribute names.
RETURN-ATTRS is a list of attributes to return, defaulting to
`eudc-default-return-attributes'."
(let ((eudc-bbdb-current-query query)
(eudc-bbdb-current-return-attributes return-attrs)
(query-attrs (eudc-bbdb-format-query query))
bbdb-attrs
(records (bbdb-records))
result
filtered)
;; BBDB ORs its query attributes while EUDC ANDs them, hence we need to
;; call bbdb-search iteratively on the returned records for each of the
;; requested attributes
(while (and records (> (length query-attrs) 0))
(setq bbdb-attrs (append bbdb-attrs (list (car query-attrs))))
(if (car query-attrs)
(setq records (eval `(bbdb-search ,(quote records) ,@bbdb-attrs))))
(setq query-attrs (cdr query-attrs)))
(mapcar (function
(lambda (record)
(setq filtered (eudc-filter-duplicate-attributes record))
;; If there were duplicate attributes reverse the order of the
;; record so the unique attributes appear first
(if (> (length filtered) 1)
(setq filtered (mapcar (function
(lambda (rec)
(reverse rec)))
filtered)))
(setq result (append result filtered))))
(delq nil
(mapcar 'eudc-bbdb-format-record-as-result
(delq nil
(mapcar 'eudc-bbdb-filter-non-matching-record
records)))))
result))
;;}}}
;;{{{ High-level interfaces (interactive functions)
(defun eudc-bbdb-set-server (dummy)
"Set the EUDC server to BBDB."
(interactive)
(eudc-set-server dummy 'bbdb)
(message "BBDB server selected"))
;;;}}}
(eudc-register-protocol 'bbdb)
(provide 'eudcb-bbdb)
;;; eudcb-bbdb.el ends here
|
