[Emacs-diffs] Changes to emacs/lisp/gnus/netrc.el [gnus-5_10-branch]

[Andreas Schwab]

Index: emacs/lisp/gnus/netrc.el
diff -c /dev/null emacs/lisp/gnus/netrc.el:1.1.2.1
*** /dev/null   Thu Jul 22 16:47:08 2004
--- emacs/lisp/gnus/netrc.el    Thu Jul 22 16:45:51 2004
***************
*** 0 ****
--- 1,129 ----
+ ;;; netrc.el --- .netrc parsing functionality
+ ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
+ ;;        Free Software Foundation, Inc.
+ 
+ ;; Author: Lars Magne Ingebrigtsen <address@hidden>
+ ;; Modularizer: Ted Zlatanov <address@hidden>
+ ;; Keywords: news
+ 
+ ;; 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:
+ 
+ ;; Just the .netrc parsing functionality, abstracted so other packages
+ ;; besides Gnus can use it.
+ 
+ ;;; Code:
+ 
+ ;;;
+ ;;; .netrc and .authinforc parsing
+ ;;;
+ 
+ (eval-and-compile
+   (defalias 'netrc-point-at-eol
+     (if (fboundp 'point-at-eol)
+       'point-at-eol
+       'line-end-position)))
+ 
+ (defun netrc-parse (file)
+   "Parse FILE and return an list of all entries in the file."
+   (when (file-exists-p file)
+     (with-temp-buffer
+       (let ((tokens '("machine" "default" "login"
+                     "password" "account" "macdef" "force"
+                     "port"))
+           alist elem result pair)
+       (insert-file-contents file)
+       (goto-char (point-min))
+       ;; Go through the file, line by line.
+       (while (not (eobp))
+         (narrow-to-region (point) (netrc-point-at-eol))
+         ;; For each line, get the tokens and values.
+         (while (not (eobp))
+           (skip-chars-forward "\t ")
+           ;; Skip lines that begin with a "#".
+           (if (eq (char-after) ?#)
+               (goto-char (point-max))
+             (unless (eobp)
+               (setq elem
+                     (if (= (following-char) ?\")
+                         (read (current-buffer))
+                       (buffer-substring
+                        (point) (progn (skip-chars-forward "^\t ")
+                                       (point)))))
+               (cond
+                ((equal elem "macdef")
+                 ;; We skip past the macro definition.
+                 (widen)
+                 (while (and (zerop (forward-line 1))
+                             (looking-at "$")))
+                 (narrow-to-region (point) (point)))
+                ((member elem tokens)
+                 ;; Tokens that don't have a following value are ignored,
+                 ;; except "default".
+                 (when (and pair (or (cdr pair)
+                                     (equal (car pair) "default")))
+                   (push pair alist))
+                 (setq pair (list elem)))
+                (t
+                 ;; Values that haven't got a preceding token are ignored.
+                 (when pair
+                   (setcdr pair elem)
+                   (push pair alist)
+                   (setq pair nil)))))))
+         (when alist
+           (push (nreverse alist) result))
+         (setq alist nil
+               pair nil)
+         (widen)
+         (forward-line 1))
+       (nreverse result)))))
+ 
+ (defun netrc-machine (list machine &optional port defaultport)
+   "Return the netrc values from LIST for MACHINE or for the default entry.
+ If PORT specified, only return entries with matching port tokens.
+ Entries without port tokens default to DEFAULTPORT."
+   (let ((rest list)
+       result)
+     (while list
+       (when (equal (cdr (assoc "machine" (car list))) machine)
+       (push (car list) result))
+       (pop list))
+     (unless result
+       ;; No machine name matches, so we look for default entries.
+       (while rest
+       (when (assoc "default" (car rest))
+         (push (car rest) result))
+       (pop rest)))
+     (when result
+       (setq result (nreverse result))
+       (while (and result
+                 (not (equal (or port defaultport "nntp")
+                             (or (netrc-get (car result) "port")
+                                 defaultport "nntp"))))
+       (pop result))
+       (car result))))
+ 
+ (defun netrc-get (alist type)
+   "Return the value of token TYPE from ALIST."
+   (cdr (assoc type alist)))
+ 
+ (provide 'netrc)
+ 
+ ;;; arch-tag: af9929cc-2d12-482f-936e-eb4366f9fa55
+ ;;; netrc.el ends here