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|
;;;;; -*-coding: iso-8859-1;-*-
;;;;;
;;;;; $Id: flags.el,v 44.24 2000/05/23 12:06:43 byers Exp $
;;;;; Copyright (C) 1991, 1996 Lysator Academic Computer Association.
;;;;;
;;;;; This file is part of the LysKOM server.
;;;;;
;;;;; LysKOM 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.
;;;;;
;;;;; LysKOM 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 LysKOM; see the file COPYING. If not, write to
;;;;; Lysator, c/o ISY, Linkoping University, S-581 83 Linkoping, SWEDEN,
;;;;; or the Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
;;;;; MA 02139, USA.
;;;;;
;;;;; Please mail bug reports to bug-lyskom@lysator.liu.se.
;;;;;
;;;; ================================================================
;;;; ================================================================
;;;;
;;;; File: flags.el
;;;;
;;;; This file contains code for editing the user variables and saving
;;;; them in the user area.
;;;;
(setq lyskom-clientversion-long
(concat lyskom-clientversion-long
"$Id: flags.el,v 44.24 2000/05/23 12:06:43 byers Exp $\n"))
(eval-when-compile
(require 'lyskom-command "command"))
(defvar lyskom-options-text nil
"Text mass when reading options.")
(def-kom-var lyskom-options-done nil
"When we have read all options this is turned non-nil."
local)
(def-kom-command kom-save-options ()
"Save options that have been set somewhere."
(interactive)
(lyskom-save-options (or lyskom-buffer
(current-buffer))
(lyskom-get-string 'saving-settings)
(lyskom-get-string 'saving-settings-done)
(lyskom-get-string 'could-not-save-options)))
;;;============================================================
;;; lyskom-save-options
;;;
;;; Save user-area without feedback in the KOM buffer. This
;;; is for use by all functions but edit-options.
;;;
;;; Messages are given in the minibuffer
(defun lyskom-save-options (kombuf start-message done-message error-message)
(let* ((print-readably t)
(common-block
(concat
(mapconcat (function
(lambda (var)
(lyskom-format-objects
(substring (symbol-name var) 4)
(if (symbol-value var) "1" "0"))))
lyskom-global-boolean-variables
"\n")
"\n"
(mapconcat (function
(lambda (var)
(lyskom-format-objects
(substring (symbol-name var) 4)
(lyskom-flag-value-to-string var))))
lyskom-global-non-boolean-variables
"\n")
))
(elisp-block
(mapconcat
(lambda (var)
(concat (format "%dH%s"
(length (symbol-name var))
(symbol-name var))
" "
(let* ((data (lyskom-flag-value-to-string var))
(coding
(lyskom-mime-charset-coding-system
(lyskom-mime-string-charset data)))
(val (condition-case nil
(encode-coding-string data coding)
(error nil))))
(lyskom-ignore val)
(if (and val nil)
(format "%dC%s%dH%s"
(string-bytes (symbol-name coding))
(symbol-name coding)
(string-bytes val)
val)
(setq data
(encode-coding-string
data
(or lyskom-server-coding-system 'raw-text)))
(format "%dH%s"
(string-bytes data)
data)))))
lyskom-elisp-variables
"\n")))
(save-excursion
(set-buffer kombuf)
(lyskom-message "%s" start-message)
(initiate-create-text
'options 'lyskom-save-options-2
(cons 'raw-text
(apply 'lyskom-format-objects
(apply 'lyskom-format-objects
"common"
"elisp"
(mapcar
(lambda (el)
(cons 'STRING (cons 'raw-text (car el))))
lyskom-other-clients-user-areas))
(cons 'STRING (cons 'raw-text common-block))
(cons 'STRING (cons 'raw-text elisp-block))
(mapcar (lambda (el)
(cons 'STRING (cons 'raw-text (cdr el))))
lyskom-other-clients-user-areas)))
(lyskom-create-misc-list)
nil
kombuf
done-message
error-message))))
(defun lyskom-save-options-2 (text-no kombuf done-message error-message)
(if text-no
(initiate-set-user-area 'options 'lyskom-save-options-3
lyskom-pers-no text-no kombuf
done-message error-message)
(save-excursion
(set-buffer kombuf)
(lyskom-insert-string 'could-not-save-options)
(lyskom-message "%s" (lyskom-get-string 'could-not-save-options)))))
(defun lyskom-save-options-3 (success kombuf done-message error-message)
(save-excursion
(set-buffer kombuf)
(if success
(progn
(cache-del-pers-stat lyskom-pers-no)
(lyskom-message "%s" done-message))
(lyskom-format-insert 'could-not-set-user-area lyskom-errno)
(lyskom-message "%s" error-message))))
(defun lyskom-read-options ()
"Reads the user-area and sets the variables according to the choises."
(if (and lyskom-pers-no
(not (zerop lyskom-pers-no)))
(let ((pers-stat (blocking-do 'get-pers-stat lyskom-pers-no)))
(if (not pers-stat) ;+++ Other error handler.
(lyskom-insert-string 'you-dont-exist)
(setq lyskom-other-clients-user-areas nil)
(if (zerop (pers-stat->user-area pers-stat))
(progn
;; (lyskom-tell-phrases-validate)
(setq lyskom-options-done t))
(lyskom-read-options-eval
(blocking-do 'get-text
(pers-stat->user-area pers-stat))))))))
(defun lyskom-read-options-eval (text)
"Handles the call from where we have the text."
(condition-case nil
(if text ;+++ Other error handler
(let* ((lyskom-options-text (text->text-mass text))
(pointers (lyskom-read-options-eval-get-holerith t))
common-no elisp-no
(rest lyskom-options-text)
working
(r 1))
(let* ((lyskom-options-text pointers)
word
(r 1))
(while (> (length lyskom-options-text) 2)
(setq word (lyskom-read-options-eval-get-holerith t))
(cond
((lyskom-string= word "common")
(setq common-no r))
((lyskom-string= word "elisp")
(setq elisp-no r))
(t
;; Build up lyskom-other-clients-user-areas so that it
;; contains a list of pairs: (name . number). (string, int).
(setq lyskom-other-clients-user-areas
(cons (cons word r) lyskom-other-clients-user-areas))))
(++ r)))
(setq lyskom-other-clients-user-areas
(nreverse lyskom-other-clients-user-areas))
(setq lyskom-options-text rest)
(while (> (length lyskom-options-text) 2)
(setq working (lyskom-read-options-eval-get-holerith t))
(cond
;; Note that common-no may be nil here, so the comparison
;; cannot be performed with '=.
((equal r common-no)
(let ((lyskom-options-text working)
name gname value)
(while (> (length lyskom-options-text) 2)
(setq gname (lyskom-read-options-eval-get-holerith))
(setq value (lyskom-read-options-eval-get-holerith))
(setq name (concat "kom-" gname))
(if (memq (intern-soft name) lyskom-global-boolean-variables)
(if (string= value "1")
(setq value "t")
(setq value "nil"))
(if (memq (intern-soft name)
lyskom-global-non-boolean-variables)
nil
(setq name (concat "UNK-" gname))
(setq lyskom-global-non-boolean-variables
(cons name lyskom-global-non-boolean-variables))))
(lyskom-maybe-set-var-from-string name value))))
;; Note that elisp-no may be nil here, so the comparison
;; cannot be performed with '=.
((equal r elisp-no)
(let ((lyskom-options-text working)
name value)
(while (> (length lyskom-options-text) 2)
(setq name (lyskom-read-options-eval-get-holerith))
(setq value (lyskom-read-options-eval-get-holerith))
(lyskom-maybe-set-var-from-string name value))))
(t
(let ((pos lyskom-other-clients-user-areas))
(while (and pos
(not (equal
(cdr (car pos)) ;The position or the string.
r)))
(setq pos (cdr pos)))
(if pos
(setcdr (car pos) working))))) ;Insert the string
;where the position
;was stored.
(++ r))
(mapcar 'lyskom-recompile-filter kom-permanent-filter-list)
(mapcar 'lyskom-recompile-filter kom-session-filter-list)
(setq lyskom-filter-list (append kom-permanent-filter-list
kom-session-filter-list))
(setq lyskom-do-when-done (cons kom-do-when-done kom-do-when-done))
;; Remove not found user-areas
(let ((pos lyskom-other-clients-user-areas))
(if pos
(progn
(while (stringp (cdr (car (cdr pos))))
(setq pos (cdr pos)))
(setcdr pos nil))))))
(error (lyskom-message "%s" (lyskom-get-string 'error-in-options-short))))
(setq lyskom-options-done t))
(defun lyskom-read-options-eval-get-holerith (&optional no-coding)
(let ((coding (if no-coding 'raw-text lyskom-server-coding-system)))
(while (string-match "\\(\\s-\\|[\n\r]\\)" (substring lyskom-options-text 0 1))
(setq lyskom-options-text (substring lyskom-options-text 1)))
;; Read the explicit coding, if any
(when (string-match "^[0-9]+C" lyskom-options-text)
(let ((len (string-to-int lyskom-options-text)))
(setq coding (intern
(substring lyskom-options-text
(match-end 0)
(+ (match-end 0) len))))
(setq lyskom-options-text (substring lyskom-options-text
(+ (match-end 0) len)))))
;; Read the string
(let ((len (string-to-int lyskom-options-text))
(start (progn (string-match "[0-9]+H" lyskom-options-text)
(match-end 0))))
(let ((name (substring lyskom-options-text start (+ start len))))
(setq lyskom-options-text (substring lyskom-options-text
(+ start len)))
(condition-case nil
(decode-coding-string name coding)
(error name))))))
(defun lyskom-maybe-set-var-from-string (var string)
"This is a wrapper around lyskom-set-var-from-string that does nothing
if the variable is in kom-dont-read-saved-variables."
(cond ((eq kom-dont-read-saved-variables t) nil)
((memq (intern var) kom-dont-read-saved-variables) nil)
(t (lyskom-set-var-from-string var string))))
(defun lyskom-set-var-from-string (var string)
"This is a wrapper aroud read-from-string.
It returns nil, and writes a message when an error occurs."
(set (intern var)
(car
(condition-case nil
(read-from-string string)
(invalid-read-syntax
(lyskom-format-insert (lyskom-get-string 'error-in-options)
var string)
nil)))))
(defun lyskom-flag-value-to-string (symbol)
"Convert value of SYMBOL to a string."
(cond ((eq symbol 'kom-permanent-filter-list)
(prin1-to-string
(mapcar (lambda (filter)
(lyskom-create-filter (filter->pattern filter)
(filter->attribute-list filter)
nil))
kom-permanent-filter-list)))
(t (prin1-to-string (symbol-value symbol)))))
|
