--- /dev/null
+;;; std11.el --- STD 11 parser for GNU Emacs
+
+;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Keywords: mail, news, RFC 822, STD 11
+;; Version: $Id: std11.el,v 0.1 1996-08-28 12:29:00 morioka Exp $
+
+;; This file is part of tl (Tiny Library).
+
+;; This program 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 program 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 This program; see the file COPYING. If not, write to
+;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
+
+;;; @ field
+;;;
+
+(defconst std11-field-name-regexp "[!-9;-~]+")
+(defconst std11-field-head-regexp
+ (concat "\\(" std11-field-name-regexp "\\):"))
+
+(defun std11-field-end ()
+ (if (re-search-forward rfc822::next-field-top-regexp nil t)
+ (goto-char (match-beginning 0))
+ (if (re-search-forward "^$" nil t)
+ (goto-char (1- (match-beginning 0)))
+ (end-of-line)
+ ))
+ (point)
+ )
+
+
+;;; @ header
+;;;
+
+(defun std11-header-string (pat &optional boundary)
+ (let ((case-fold-search t))
+ (save-excursion
+ (save-restriction
+ (std11-narrow-to-header boundary)
+ (goto-char (point-min))
+ (let (field header)
+ (while (re-search-forward std11-field-head-regexp nil t)
+ (setq field (buffer-substring (match-beginning 0)
+ (rfc822/field-end)
+ ))
+ (if (string-match pat field)
+ (setq header (concat header field "\n"))
+ ))
+ header)
+ ))))
+
+(defun std11-header-string-except (pat &optional boundary)
+ (let ((case-fold-search t))
+ (save-excursion
+ (save-restriction
+ (std11-narrow-to-header boundary)
+ (goto-char (point-min))
+ (let (field header)
+ (while (re-search-forward std11-field-head-regexp nil t)
+ (setq field (buffer-substring (match-beginning 0)
+ (rfc822/field-end)
+ ))
+ (if (not (string-match pat field))
+ (setq header (concat header field "\n"))
+ ))
+ header)
+ ))))
+
+(defun std11-narrow-to-header (&optional boundary)
+ (narrow-to-region
+ (goto-char (point-min))
+ (if (re-search-forward
+ (concat "^\\(" (regexp-quote (or boundary "")) "\\)?$")
+ nil t)
+ (match-beginning 0)
+ (point-max)
+ )))
+
+
+;;; @ end
+;;;
+
+(provide 'std11)
+
+;;; std11.el ends here