/usr/share/emacs/site-lisp/rail/rail-user-agent.el is in rail 1.2.11-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | ;;; rail-user-agent.el --- Replace Agent-string Internal Library
;; Copyright (C) 1999 by Free Software Foundation, Inc.
;; Author: SHIMADA Mitsunobu <simm-emacs@fan.gr.jp>
;; Keywords: User-Agent, MIME-Version, FLIM, SEMI, Rail
;; This file 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.
;; This file 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:
;; Current version supports only MULE, FLIM, and SEMI.
;;; Code:
(require 'rail-vars)
(require 'rail-common)
;; search header
(defun rail-user-agent-search-header (head)
"Search header string and return region."
(let ((case-fold-search t))
(save-excursion
(goto-char (point-min))
(and (re-search-forward (format "^%s:\\s +" head) nil t)
(let ((pt (point)))
(if (catch 'header-end
(while (not (eobp))
(forward-line 1)
(or (looking-at "\\s ")
(throw 'header-end t))))
(progn
(forward-char -1)
(cons pt (point)))))))))
;; replace MIME-Version: header dynamically
(defun rail-user-agent-replace-mime-version-region (region)
"Replace codename in MIME-Version: region."
(and region
(car region)
(cdr region)
(save-restriction
(narrow-to-region (car region) (cdr region))
(goto-char (point-min))
(and (looking-at rail-mime-version-header-format)
(rail-replace-codename-primitive
rail-mime-version-header-format
rail-additional-semi-codename-alist rail-semi-codename-alist))
(buffer-substring (point-min) (point-max)))))
;; replace User-Agent: header dynamically
(defun rail-user-agent-replace-user-agent-region (region)
"Replace codename in User-Agent: region."
(and region
(car region)
(cdr region)
(save-restriction
(narrow-to-region (car region) (cdr region))
(goto-char (point-min))
(while (not (eobp))
(skip-chars-forward " \t\r\n")
(if (not (looking-at "\\([^ \t\r\n/]+\\)/"))
(skip-chars-forward "^ \t\r\n")
(let ((kind (rail-assoc
(upcase (buffer-substring (match-beginning 1) (match-end 1)))
rail-product-name-alist t)))
(if (not kind)
(skip-chars-forward "^ \t\r\n")
(goto-char (match-end 0))
(or (and (eq 'xmas kind)
(looking-at rail-user-agent-header-xmas-format)
(rail-replace-codename-primitive
rail-user-agent-header-xmas-format
rail-additional-xmas-codename-alist rail-xmas-codename-alist))
(let* ((skind (prin1-to-string kind))
(alist-a
(intern (format "rail-additional-%s-codename-alist" skind)))
(alist-b
(intern (format "rail-%s-codename-alist" skind))))
(and (looking-at rail-user-agent-header-format)
(boundp alist-a)
(boundp alist-b)
(rail-replace-codename-primitive
rail-user-agent-header-format
(symbol-value alist-a) (symbol-value alist-b)))))
(and (eq 'meadow kind)
(rail-replace-codename-meadow))))))
(buffer-substring (point-min) (point-max)))))
;; replace header with rail-user-agent-replace-{mime-version|user-agent}-region
(defun rail-user-agent-translate-body (&optional buf)
"Translate message body. It executes after mime-edit-translate-body."
(and rail-user-agent-convert-dynamically
(save-excursion
(and buf (set-buffer buf))
(mapcar
'(lambda (item)
(rail-user-agent-replace-mime-version-region
(rail-user-agent-search-header item)))
rail-mime-version-header-item-list)
(mapcar
'(lambda (item)
(rail-user-agent-replace-user-agent-region
(rail-user-agent-search-header item)))
rail-user-agent-header-item-list))))
;; replace statically
(defun rail-user-agent-replace-string ()
"Replace mime-edit-user-agent-value and mime-edit-mime-version-value."
(and rail-user-agent-convert-statically
(let (buf codename)
(save-excursion
(setq buf (get-buffer-create rail-temporary-buffer-name))
(if (set-buffer buf)
(progn
;; mime-edit-mime-version-value
(erase-buffer)
(insert mime-edit-mime-version-value)
(setq mime-edit-mime-version-value
(rail-user-agent-replace-mime-version-region
(cons (point-min) (point-max))))
;; mime-edit-user-agent-value
(erase-buffer)
(insert mime-edit-user-agent-value)
(setq mime-edit-user-agent-value
(rail-user-agent-replace-user-agent-region
(cons (point-min) (point-max))))
;; end
(kill-buffer buf))))))
;; mime-library-product
(and rail-user-agent-convert-statically
rail-user-agent-replace-mime-library-product
(boundp 'mime-library-product)
(let ((codename (mime-product-code-name mime-library-product)))
(aset mime-library-product 2
(or (rail-assoc
codename
(append rail-additional-flim-codename-alist rail-flim-codename-alist)
rail-convert-direction)
codename))))
;; mime-user-interface-product
(and rail-user-agent-convert-statically
rail-user-agent-replace-mime-user-interface-product
(boundp 'mime-user-interface-product)
(let ((codename (mime-product-code-name mime-user-interface-product)))
(aset mime-user-interface-product 2
(or (rail-assoc
codename
(append rail-additional-semi-codename-alist rail-semi-codename-alist)
rail-convert-direction)
codename)))))
;; add mime-edit-translate-buffer-hook
(defun rail-user-agent-add-hook ()
"Add hook for rail-user-agent"
(let ((list (memq 'mime-edit-translate-body mime-edit-translate-buffer-hook)))
(or (memq 'rail-user-agent-translate-body mime-edit-translate-buffer-hook)
(setcdr list (cons 'rail-user-agent-translate-body (cdr list))))))
;; add mime-edit-load-hook
(if (not (featurep 'mime-edit))
(add-hook 'mime-edit-load-hook
'(lambda ()
(rail-user-agent-add-hook)
(rail-user-agent-replace-string)))
(rail-user-agent-add-hook)
(rail-user-agent-replace-string))
(provide 'rail-user-agent)
;;; rail-user-agent.el ends here
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