XEmacs compatibility and doc fixes from Vinicius Jose Latorre

<vinicius@cpqd.com.br>:

(lpr-windows-system, lpr-lp-system): New vars.
(lpr-printer-switch): New defcustom.
(printer-name, lpr-command): Customization fix.
(print-region-1): Code fix.
(print-region-new-buffer, printify-region): Indentation fix.
(lpr-eval-switch, lpr-flatten-list, lpr-flatten-list-1): New funcsions.
This commit is contained in:
Eli Zaretskii 2001-01-30 12:04:05 +00:00
parent 47a96555b3
commit 4ad25e4311
2 changed files with 116 additions and 54 deletions

View file

@ -1,3 +1,14 @@
2001-01-30 Vinicius Jose Latorre <vinicius@cpqd.com.br>
* lpr.el: Compatibility with XEmacs and doc fixes.
(lpr-windows-system, lpr-lp-system): New vars.
(lpr-printer-switch): New defcustom.
(printer-name, lpr-command): Customization fix.
(print-region-1): Code fix.
(print-region-new-buffer, printify-region): Indentation fix.
(lpr-eval-switch, lpr-flatten-list, lpr-flatten-list-1): New
functions.
2001-01-29 Gerd Moellmann <gerd@gnu.org>
* msb.el (toplevel): Fix the eval-after-load.

View file

@ -1,9 +1,9 @@
;;; lpr.el --- print Emacs buffer on line printer.
;; Copyright (C) 1985, 1988, 1992, 1994 Free Software Foundation, Inc.
;; Copyright (C) 1985, 1988, 1992, 1994, 2001 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: unix
;; Maintainer: FSF
;; Keywords: unix
;; This file is part of GNU Emacs.
@ -30,13 +30,21 @@
;;; Code:
(defvar lpr-windows-system
(memq system-type '(emx win32 w32 mswindows ms-dos windows-nt)))
(defvar lpr-lp-system
(memq system-type '(usg-unix-v dgux hpux irix)))
(defgroup lpr nil
"Print Emacs buffer on line printer"
:group 'wp)
;;;###autoload
(defcustom printer-name
(if (memq system-type '(ms-dos windows-nt)) "PRN")
(and lpr-windows-system "PRN")
"*The name of a local printer to which data is sent for printing.
\(Note that PostScript files are sent to `ps-printer-name', which see.\)
@ -50,13 +58,15 @@ printers, or \"COM1\" to \"COM4\" or \"AUX\" for serial printers, or
\"//hostname/printer\" for a shared network printer. You can also set
it to the name of a file, in which case the output gets appended to that
file. If you want to discard the printed output, set this to \"NUL\"."
:type '(choice ; could use string but then we lose completion for files.
(file :tag "Name")
(const :tag "Default" nil))
:type '(choice :menu-tag "Printer Name"
:tag "Printer Name"
(const :tag "Default" nil)
;; could use string but then we lose completion for files.
(file :tag "Name"))
:group 'lpr)
;;;###autoload
(defcustom lpr-switches nil
(defcustom lpr-switches nil
"*List of strings to pass as extra options for the printer program.
It is recommended to set `printer-name' instead of including an explicit
switch on this list.
@ -72,12 +82,24 @@ this variable should be nil."
:type 'boolean
:group 'lpr)
(defcustom lpr-printer-switch
(if lpr-lp-system
"-d "
"-P")
"*Printer switch, that is, something like \"-P\", \"-d \", \"/D:\", etc.
This switch is used in conjunction with `printer-name'."
:type '(choice :menu-tag "Printer Name Switch"
:tag "Printer Name Switch"
(const :tag "None" nil)
(string :tag "Printer Switch"))
:group 'lpr)
;;;###autoload
(defcustom lpr-command
(cond
((memq system-type '(ms-dos windows-nt))
(lpr-windows-system
"")
((memq system-type '(usg-unix-v dgux hpux irix))
(lpr-lp-system
"lp")
(t
"lpr"))
@ -175,34 +197,37 @@ for further customization of the printer command."
;; On some MIPS system, having a space in the job name
;; crashes the printer demon. But using dashes looks ugly
;; and it seems to annoying to do for that MIPS system.
(let ((name (concat (buffer-name) " Emacs buffer"))
(let ((name (concat (buffer-name) " Emacs buffer"))
(title (concat (buffer-name) " Emacs buffer"))
;; Make pipes use the same coding system as
;; writing the buffer to a file would.
(coding-system-for-write
(or coding-system-for-write buffer-file-coding-system))
(coding-system-for-read
(or coding-system-for-read buffer-file-coding-system))
(coding-system-for-write (or coding-system-for-write
buffer-file-coding-system))
(coding-system-for-read (or coding-system-for-read
buffer-file-coding-system))
(width tab-width)
nswitches
switch-string)
(save-excursion
(if page-headers
(if lpr-headers-switches
;; It is possible to use an lpr option
;; to get page headers.
(setq switches (append (if (stringp lpr-headers-switches)
(list lpr-headers-switches)
lpr-headers-switches)
switches))))
(setq switch-string
(if switches (concat " with options "
(mapconcat 'identity switches " "))
""))
(and page-headers lpr-headers-switches
;; It's possible to use an lpr option to get page headers.
(setq switches (append (if (stringp lpr-headers-switches)
(list lpr-headers-switches)
lpr-headers-switches)
switches)))
(setq nswitches (lpr-flatten-list
(mapcar 'lpr-eval-switch ; Dynamic evaluation
switches))
switch-string (if switches
(concat " with options "
(mapconcat 'identity switches " "))
""))
(message "Spooling%s..." switch-string)
(if (/= tab-width 8)
(let ((new-coords (print-region-new-buffer start end)))
(setq start (car new-coords) end (cdr new-coords))
(setq tab-width width)
(setq start (car new-coords)
end (cdr new-coords)
tab-width width)
(save-excursion
(goto-char end)
(setq end (point-marker)))
@ -213,26 +238,23 @@ for further customization of the printer command."
nil
;; Run a separate program to get page headers.
(let ((new-coords (print-region-new-buffer start end)))
(setq start (car new-coords) end (cdr new-coords)))
(apply 'call-process-region start end lpr-page-header-program
t t nil
lpr-page-header-switches)
(setq start (point-min) end (point-max))))
(let ((printer-name-switch (if (memq system-type
'(usg-unix-v dgux hpux irix))
"-d" "-P")))
(apply (or print-region-function 'call-process-region)
(nconc (list start end lpr-command
nil nil nil)
(nconc (and lpr-add-switches
(list "-J" name))
;; These belong in pr if we are using that.
(and lpr-add-switches lpr-headers-switches
(list "-T" title))
(and (stringp printer-name)
(list (concat printer-name-switch
printer-name)))
switches))))
(apply 'call-process-region (car new-coords) (cdr new-coords)
lpr-page-header-program t t nil
lpr-page-header-switches))
(setq start (point-min)
end (point-max))))
(apply (or print-region-function 'call-process-region)
(nconc (list start end lpr-command
nil nil nil)
(and lpr-add-switches
(list "-J" name))
;; These belong in pr if we are using that.
(and lpr-add-switches lpr-headers-switches
(list "-T" title))
(and (stringp printer-name)
(list (concat lpr-printer-switch
printer-name)))
nswitches))
(if (markerp end)
(set-marker end nil))
(message "Spooling%s...done" switch-string))))
@ -247,7 +269,8 @@ for further customization of the printer command."
(cons ostart oend)
(let ((oldbuf (current-buffer)))
(set-buffer (get-buffer-create " *spool temp*"))
(widen) (erase-buffer)
(widen)
(erase-buffer)
(insert-buffer-substring oldbuf ostart oend)
(cons (point-min) (point-max)))))
@ -262,10 +285,38 @@ The characters tab, linefeed, space, return and formfeed are not affected."
(while (re-search-forward "[\^@-\^h\^k\^n-\^_\177-\377]" end t)
(setq c (preceding-char))
(delete-backward-char 1)
(insert
(if (< c ?\ )
(format "\\^%c" (+ c ?@))
(format "\\%02x" c)))))))
(insert (if (< c ?\ )
(format "\\^%c" (+ c ?@))
(format "\\%02x" c)))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Functions hacked from `ps-print' package.
;; Dynamic evaluation
(defun lpr-eval-switch (arg)
(cond ((stringp arg) arg)
((functionp arg) (apply arg nil))
((symbolp arg) (symbol-value arg))
((consp arg) (apply (car arg) (cdr arg)))
(t nil)))
;; `lpr-flatten-list' is defined here (copied from "message.el" and
;; enhanced to handle dotted pairs as well) until we can get some
;; sensible autoloads, or `flatten-list' gets put somewhere decent.
;; (lpr-flatten-list '((a . b) c (d . e) (f g h) i . j))
;; => (a b c d e f g h i j)
(defun lpr-flatten-list (&rest list)
(lpr-flatten-list-1 list))
(defun lpr-flatten-list-1 (list)
(cond
((null list) (list))
((consp list)
(append (lpr-flatten-list-1 (car list))
(lpr-flatten-list-1 (cdr list))))
(t (list list))))
(provide 'lpr)