1997-04-16 22:13:18 +00:00
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;;; nndoc.el --- single file access for Gnus
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1999-02-20 14:05:57 +00:00
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;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc.
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1997-04-16 22:13:18 +00:00
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1999-02-20 14:05:57 +00:00
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;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
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1997-04-16 22:13:18 +00:00
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;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
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;; Keywords: news
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;;; Code:
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(require 'nnheader)
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(require 'message)
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(require 'nnmail)
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(require 'nnoo)
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1999-02-20 14:05:57 +00:00
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(require 'gnus-util)
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1997-04-16 22:13:18 +00:00
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(eval-when-compile (require 'cl))
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(nnoo-declare nndoc)
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(defvoo nndoc-article-type 'guess
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"*Type of the file.
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One of `mbox', `babyl', `digest', `news', `rnews', `mmdf', `forward',
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1999-02-20 14:05:57 +00:00
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`rfc934', `rfc822-forward', `mime-digest', `mime-parts', `standard-digest',
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1997-04-16 22:13:18 +00:00
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`slack-digest', `clari-briefs' or `guess'.")
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(defvoo nndoc-post-type 'mail
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"*Whether the nndoc group is `mail' or `post'.")
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1999-02-20 14:05:57 +00:00
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(defvoo nndoc-open-document-hook 'nnheader-ms-strip-cr
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"Hook run after opening a document.
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The default function removes all trailing carriage returns
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from the document.")
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1997-04-16 22:13:18 +00:00
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(defvar nndoc-type-alist
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`((mmdf
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(article-begin . "^\^A\^A\^A\^A\n")
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(body-end . "^\^A\^A\^A\^A\n"))
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(news
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(article-begin . "^Path:"))
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(rnews
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(article-begin . "^#! *rnews +\\([0-9]+\\) *\n")
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(body-end-function . nndoc-rnews-body-end))
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(mbox
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(article-begin-function . nndoc-mbox-article-begin)
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(body-end-function . nndoc-mbox-body-end))
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(babyl
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(article-begin . "\^_\^L *\n")
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(body-end . "\^_")
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(body-begin-function . nndoc-babyl-body-begin)
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(head-begin-function . nndoc-babyl-head-begin))
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(forward
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(article-begin . "^-+ Start of forwarded message -+\n+")
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(body-end . "^-+ End of forwarded message -+$")
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(prepare-body-function . nndoc-unquote-dashes))
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(rfc934
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(article-begin . "^--.*\n+")
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(body-end . "^--.*$")
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(prepare-body-function . nndoc-unquote-dashes))
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(clari-briefs
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(article-begin . "^ \\*")
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(body-end . "^\t------*[ \t]^*\n^ \\*")
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(body-begin . "^\t")
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(head-end . "^\t")
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(generate-head-function . nndoc-generate-clari-briefs-head)
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(article-transform-function . nndoc-transform-clari-briefs))
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(mime-digest
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(article-begin . "")
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(head-end . "^ ?$")
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(body-end . "")
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(file-end . "")
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(subtype digest guess))
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1999-02-20 14:05:57 +00:00
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(mime-parts
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(generate-head-function . nndoc-generate-mime-parts-head)
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(article-transform-function . nndoc-transform-mime-parts))
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1997-04-16 22:13:18 +00:00
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(standard-digest
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1999-02-20 14:05:57 +00:00
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(first-article . ,(concat "^" (make-string 70 ?-) "\n *\n+"))
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(article-begin . ,(concat "^\n" (make-string 30 ?-) "\n *\n+"))
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1997-04-16 22:13:18 +00:00
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(prepare-body-function . nndoc-unquote-dashes)
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(body-end-function . nndoc-digest-body-end)
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1999-02-20 14:05:57 +00:00
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(head-end . "^ *$")
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(body-begin . "^ *\n")
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1997-04-16 22:13:18 +00:00
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(file-end . "^End of .*digest.*[0-9].*\n\\*\\*\\|^End of.*Digest *$")
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(subtype digest guess))
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(slack-digest
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(article-begin . "^------------------------------*[\n \t]+")
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(head-end . "^ ?$")
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(body-end-function . nndoc-digest-body-end)
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(body-begin . "^ ?$")
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(file-end . "^End of")
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(prepare-body-function . nndoc-unquote-dashes)
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(subtype digest guess))
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(lanl-gov-announce
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(article-begin . "^\\\\\\\\\n")
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(head-begin . "^Paper.*:")
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(head-end . "\\(^\\\\\\\\.*\n\\|-----------------\\)")
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(body-begin . "")
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(body-end . "-------------------------------------------------")
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(file-end . "^Title: Recent Seminal")
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(generate-head-function . nndoc-generate-lanl-gov-head)
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(article-transform-function . nndoc-transform-lanl-gov-announce)
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(subtype preprints guess))
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(rfc822-forward
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(article-begin . "^\n")
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(body-end-function . nndoc-rfc822-forward-body-end-function))
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(guess
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(guess . t)
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(subtype nil))
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(digest
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(guess . t)
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(subtype nil))
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(preprints
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(guess . t)
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(subtype nil))))
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(defvoo nndoc-file-begin nil)
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(defvoo nndoc-first-article nil)
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(defvoo nndoc-article-begin nil)
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(defvoo nndoc-head-begin nil)
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(defvoo nndoc-head-end nil)
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(defvoo nndoc-file-end nil)
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(defvoo nndoc-body-begin nil)
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(defvoo nndoc-body-end-function nil)
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(defvoo nndoc-body-begin-function nil)
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(defvoo nndoc-head-begin-function nil)
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(defvoo nndoc-body-end nil)
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1999-02-20 14:05:57 +00:00
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;; nndoc-dissection-alist is a list of sublists. Each sublist holds the
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;; following items. ARTICLE is an ordinal starting at 1. HEAD-BEGIN,
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;; HEAD-END, BODY-BEGIN and BODY-END are positions in the `nndoc' buffer.
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;; LINE-COUNT is a count of lines in the body. SUBJECT, MESSAGE-ID and
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;; REFERENCES, only present for MIME dissections, are field values.
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1997-04-16 22:13:18 +00:00
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(defvoo nndoc-dissection-alist nil)
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(defvoo nndoc-prepare-body-function nil)
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(defvoo nndoc-generate-head-function nil)
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(defvoo nndoc-article-transform-function nil)
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(defvoo nndoc-article-begin-function nil)
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(defvoo nndoc-status-string "")
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(defvoo nndoc-group-alist nil)
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(defvoo nndoc-current-buffer nil
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"Current nndoc news buffer.")
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(defvoo nndoc-address nil)
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1999-02-20 14:05:57 +00:00
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(defvoo nndoc-mime-header nil)
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(defvoo nndoc-mime-subject nil)
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1997-04-16 22:13:18 +00:00
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(defconst nndoc-version "nndoc 1.0"
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"nndoc version.")
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;;; Interface functions
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(nnoo-define-basics nndoc)
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(deffoo nndoc-retrieve-headers (articles &optional newsgroup server fetch-old)
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(when (nndoc-possibly-change-buffer newsgroup server)
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(save-excursion
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(set-buffer nntp-server-buffer)
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(erase-buffer)
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(let (article entry)
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(if (stringp (car articles))
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'headers
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(while articles
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(when (setq entry (cdr (assq (setq article (pop articles))
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nndoc-dissection-alist)))
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(insert (format "221 %d Article retrieved.\n" article))
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(if nndoc-generate-head-function
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(funcall nndoc-generate-head-function article)
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(insert-buffer-substring
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nndoc-current-buffer (car entry) (nth 1 entry)))
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(goto-char (point-max))
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(unless (= (char-after (1- (point))) ?\n)
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(insert "\n"))
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(insert (format "Lines: %d\n" (nth 4 entry)))
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(insert ".\n")))
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(nnheader-fold-continuation-lines)
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'headers)))))
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(deffoo nndoc-request-article (article &optional newsgroup server buffer)
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(nndoc-possibly-change-buffer newsgroup server)
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(save-excursion
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(let ((buffer (or buffer nntp-server-buffer))
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(entry (cdr (assq article nndoc-dissection-alist)))
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beg)
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(set-buffer buffer)
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(erase-buffer)
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(when entry
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(if (stringp article)
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nil
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(insert-buffer-substring
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nndoc-current-buffer (car entry) (nth 1 entry))
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(insert "\n")
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(setq beg (point))
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(insert-buffer-substring
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nndoc-current-buffer (nth 2 entry) (nth 3 entry))
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(goto-char beg)
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(when nndoc-prepare-body-function
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(funcall nndoc-prepare-body-function))
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(when nndoc-article-transform-function
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(funcall nndoc-article-transform-function article))
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t)))))
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(deffoo nndoc-request-group (group &optional server dont-check)
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"Select news GROUP."
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(let (number)
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(cond
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((not (nndoc-possibly-change-buffer group server))
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(nnheader-report 'nndoc "No such file or buffer: %s"
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nndoc-address))
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(dont-check
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(nnheader-report 'nndoc "Selected group %s" group)
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t)
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((zerop (setq number (length nndoc-dissection-alist)))
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(nndoc-close-group group)
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(nnheader-report 'nndoc "No articles in group %s" group))
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(t
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(nnheader-insert "211 %d %d %d %s\n" number 1 number group)))))
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(deffoo nndoc-request-type (group &optional article)
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(cond ((not article) 'unknown)
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(nndoc-post-type nndoc-post-type)
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(t 'unknown)))
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(deffoo nndoc-close-group (group &optional server)
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(nndoc-possibly-change-buffer group server)
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(and nndoc-current-buffer
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(buffer-name nndoc-current-buffer)
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(kill-buffer nndoc-current-buffer))
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(setq nndoc-group-alist (delq (assoc group nndoc-group-alist)
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nndoc-group-alist))
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(setq nndoc-current-buffer nil)
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(nnoo-close-server 'nndoc server)
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(setq nndoc-dissection-alist nil)
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t)
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(deffoo nndoc-request-list (&optional server)
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nil)
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(deffoo nndoc-request-newgroups (date &optional server)
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nil)
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(deffoo nndoc-request-list-newsgroups (&optional server)
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nil)
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|
|
|
|
|
|
|
|
|
;;; Internal functions.
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-possibly-change-buffer (group source)
|
|
|
|
|
|
(let (buf)
|
|
|
|
|
|
(cond
|
|
|
|
|
|
;; The current buffer is this group's buffer.
|
|
|
|
|
|
((and nndoc-current-buffer
|
|
|
|
|
|
(buffer-name nndoc-current-buffer)
|
|
|
|
|
|
(eq nndoc-current-buffer
|
|
|
|
|
|
(setq buf (cdr (assoc group nndoc-group-alist))))))
|
|
|
|
|
|
;; We change buffers by taking an old from the group alist.
|
|
|
|
|
|
;; `source' is either a string (a file name) or a buffer object.
|
|
|
|
|
|
(buf
|
|
|
|
|
|
(setq nndoc-current-buffer buf))
|
|
|
|
|
|
;; It's a totally new group.
|
|
|
|
|
|
((or (and (bufferp nndoc-address)
|
|
|
|
|
|
(buffer-name nndoc-address))
|
|
|
|
|
|
(and (stringp nndoc-address)
|
|
|
|
|
|
(file-exists-p nndoc-address)
|
|
|
|
|
|
(not (file-directory-p nndoc-address))))
|
|
|
|
|
|
(push (cons group (setq nndoc-current-buffer
|
|
|
|
|
|
(get-buffer-create
|
|
|
|
|
|
(concat " *nndoc " group "*"))))
|
|
|
|
|
|
nndoc-group-alist)
|
|
|
|
|
|
(setq nndoc-dissection-alist nil)
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(set-buffer nndoc-current-buffer)
|
|
|
|
|
|
(buffer-disable-undo (current-buffer))
|
|
|
|
|
|
(erase-buffer)
|
|
|
|
|
|
(if (stringp nndoc-address)
|
|
|
|
|
|
(nnheader-insert-file-contents nndoc-address)
|
1999-02-20 14:05:57 +00:00
|
|
|
|
(insert-buffer-substring nndoc-address))
|
|
|
|
|
|
(run-hooks 'nndoc-open-document-hook))))
|
1997-04-16 22:13:18 +00:00
|
|
|
|
;; Initialize the nndoc structures according to this new document.
|
|
|
|
|
|
(when (and nndoc-current-buffer
|
|
|
|
|
|
(not nndoc-dissection-alist))
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(set-buffer nndoc-current-buffer)
|
|
|
|
|
|
(nndoc-set-delims)
|
1999-02-20 14:05:57 +00:00
|
|
|
|
(if (eq nndoc-article-type 'mime-parts)
|
|
|
|
|
|
(nndoc-dissect-mime-parts)
|
|
|
|
|
|
(nndoc-dissect-buffer))))
|
1997-04-16 22:13:18 +00:00
|
|
|
|
(unless nndoc-current-buffer
|
|
|
|
|
|
(nndoc-close-server))
|
|
|
|
|
|
;; Return whether we managed to select a file.
|
|
|
|
|
|
nndoc-current-buffer))
|
|
|
|
|
|
|
|
|
|
|
|
;;;
|
|
|
|
|
|
;;; Deciding what document type we have
|
|
|
|
|
|
;;;
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-set-delims ()
|
|
|
|
|
|
"Set the nndoc delimiter variables according to the type of the document."
|
|
|
|
|
|
(let ((vars '(nndoc-file-begin
|
|
|
|
|
|
nndoc-first-article
|
1999-02-20 14:05:57 +00:00
|
|
|
|
nndoc-article-begin-function
|
|
|
|
|
|
nndoc-head-begin nndoc-head-end
|
1997-04-16 22:13:18 +00:00
|
|
|
|
nndoc-file-end nndoc-article-begin
|
|
|
|
|
|
nndoc-body-begin nndoc-body-end-function nndoc-body-end
|
|
|
|
|
|
nndoc-prepare-body-function nndoc-article-transform-function
|
|
|
|
|
|
nndoc-generate-head-function nndoc-body-begin-function
|
|
|
|
|
|
nndoc-head-begin-function)))
|
|
|
|
|
|
(while vars
|
|
|
|
|
|
(set (pop vars) nil)))
|
|
|
|
|
|
(let (defs)
|
|
|
|
|
|
;; Guess away until we find the real file type.
|
|
|
|
|
|
(while (assq 'guess (setq defs (cdr (assq nndoc-article-type
|
|
|
|
|
|
nndoc-type-alist))))
|
|
|
|
|
|
(setq nndoc-article-type (nndoc-guess-type nndoc-article-type)))
|
|
|
|
|
|
;; Set the nndoc variables.
|
|
|
|
|
|
(while defs
|
|
|
|
|
|
(set (intern (format "nndoc-%s" (caar defs)))
|
|
|
|
|
|
(cdr (pop defs))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-guess-type (subtype)
|
|
|
|
|
|
(let ((alist nndoc-type-alist)
|
|
|
|
|
|
results result entry)
|
|
|
|
|
|
(while (and (not result)
|
|
|
|
|
|
(setq entry (pop alist)))
|
|
|
|
|
|
(when (memq subtype (or (cdr (assq 'subtype entry)) '(guess)))
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(when (numberp (setq result (funcall (intern
|
|
|
|
|
|
(format "nndoc-%s-type-p"
|
|
|
|
|
|
(car entry))))))
|
|
|
|
|
|
(push (cons result entry) results)
|
|
|
|
|
|
(setq result nil))))
|
|
|
|
|
|
(unless (or result results)
|
|
|
|
|
|
(error "Document is not of any recognized type"))
|
|
|
|
|
|
(if result
|
|
|
|
|
|
(car entry)
|
1999-02-20 14:05:57 +00:00
|
|
|
|
(cadar (sort results 'car-less-than-car)))))
|
1997-04-16 22:13:18 +00:00
|
|
|
|
|
|
|
|
|
|
;;;
|
|
|
|
|
|
;;; Built-in type predicates and functions
|
|
|
|
|
|
;;;
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-mbox-type-p ()
|
|
|
|
|
|
(when (looking-at message-unix-mail-delimiter)
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-mbox-article-begin ()
|
|
|
|
|
|
(when (re-search-forward (concat "^" message-unix-mail-delimiter) nil t)
|
|
|
|
|
|
(goto-char (match-beginning 0))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-mbox-body-end ()
|
|
|
|
|
|
(let ((beg (point))
|
|
|
|
|
|
len end)
|
|
|
|
|
|
(when
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(and (re-search-backward
|
|
|
|
|
|
(concat "^" message-unix-mail-delimiter) nil t)
|
|
|
|
|
|
(setq end (point))
|
|
|
|
|
|
(search-forward "\n\n" beg t)
|
|
|
|
|
|
(re-search-backward
|
|
|
|
|
|
"^Content-Length:[ \t]*\\([0-9]+\\) *$" end t)
|
|
|
|
|
|
(setq len (string-to-int (match-string 1)))
|
|
|
|
|
|
(search-forward "\n\n" beg t)
|
|
|
|
|
|
(unless (= (setq len (+ (point) len)) (point-max))
|
|
|
|
|
|
(and (< len (point-max))
|
|
|
|
|
|
(goto-char len)
|
|
|
|
|
|
(looking-at message-unix-mail-delimiter)))))
|
|
|
|
|
|
(goto-char len))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-mmdf-type-p ()
|
|
|
|
|
|
(when (looking-at "\^A\^A\^A\^A$")
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-news-type-p ()
|
|
|
|
|
|
(when (looking-at "^Path:.*\n")
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-rnews-type-p ()
|
|
|
|
|
|
(when (looking-at "#! *rnews")
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-rnews-body-end ()
|
|
|
|
|
|
(and (re-search-backward nndoc-article-begin nil t)
|
|
|
|
|
|
(forward-line 1)
|
|
|
|
|
|
(goto-char (+ (point) (string-to-int (match-string 1))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-babyl-type-p ()
|
|
|
|
|
|
(when (re-search-forward "\^_\^L *\n" nil t)
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-babyl-body-begin ()
|
|
|
|
|
|
(re-search-forward "^\n" nil t)
|
1999-02-20 14:05:57 +00:00
|
|
|
|
(when (looking-at "\\*\\*\\* EOOH \\*\\*\\*")
|
1997-04-16 22:13:18 +00:00
|
|
|
|
(let ((next (or (save-excursion
|
|
|
|
|
|
(re-search-forward nndoc-article-begin nil t))
|
|
|
|
|
|
(point-max))))
|
|
|
|
|
|
(unless (re-search-forward "^\n" next t)
|
|
|
|
|
|
(goto-char next)
|
|
|
|
|
|
(forward-line -1)
|
|
|
|
|
|
(insert "\n")
|
|
|
|
|
|
(forward-line -1)))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-babyl-head-begin ()
|
|
|
|
|
|
(when (re-search-forward "^[0-9].*\n" nil t)
|
1999-02-20 14:05:57 +00:00
|
|
|
|
(when (looking-at "\\*\\*\\* EOOH \\*\\*\\*")
|
1997-04-16 22:13:18 +00:00
|
|
|
|
(forward-line 1))
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-forward-type-p ()
|
|
|
|
|
|
(when (and (re-search-forward "^-+ Start of forwarded message -+\n+" nil t)
|
|
|
|
|
|
(not (re-search-forward "^Subject:.*digest" nil t))
|
|
|
|
|
|
(not (re-search-backward "^From:" nil t 2))
|
|
|
|
|
|
(not (re-search-forward "^From:" nil t 2)))
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-rfc934-type-p ()
|
|
|
|
|
|
(when (and (re-search-forward "^-+ Start of forwarded.*\n+" nil t)
|
|
|
|
|
|
(not (re-search-forward "^Subject:.*digest" nil t))
|
|
|
|
|
|
(not (re-search-backward "^From:" nil t 2))
|
|
|
|
|
|
(not (re-search-forward "^From:" nil t 2)))
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-rfc822-forward-type-p ()
|
|
|
|
|
|
(save-restriction
|
|
|
|
|
|
(message-narrow-to-head)
|
|
|
|
|
|
(when (re-search-forward "^Content-Type: *message/rfc822" nil t)
|
|
|
|
|
|
t)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-rfc822-forward-body-end-function ()
|
|
|
|
|
|
(goto-char (point-max)))
|
|
|
|
|
|
|
1999-02-20 14:05:57 +00:00
|
|
|
|
(defun nndoc-mime-parts-type-p ()
|
|
|
|
|
|
(let ((case-fold-search t)
|
|
|
|
|
|
(limit (search-forward "\n\n" nil t)))
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(when (and limit
|
|
|
|
|
|
(re-search-forward
|
|
|
|
|
|
(concat "\
|
|
|
|
|
|
^Content-Type:[ \t]*multipart/[a-z]+;\\(.*;\\)*"
|
|
|
|
|
|
"[ \t\n]*[ \t]boundary=\"?[^\"\n]*[^\" \t\n]")
|
|
|
|
|
|
limit t))
|
|
|
|
|
|
t)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-transform-mime-parts (article)
|
|
|
|
|
|
(unless (= article 1)
|
|
|
|
|
|
;; Ensure some MIME-Version.
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(search-forward "\n\n")
|
|
|
|
|
|
(let ((case-fold-search nil)
|
|
|
|
|
|
(limit (point)))
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(or (save-excursion (re-search-forward "^MIME-Version:" limit t))
|
|
|
|
|
|
(insert "Mime-Version: 1.0\n")))
|
|
|
|
|
|
;; Generate default header before entity fields.
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(nndoc-generate-mime-parts-head article t)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-generate-mime-parts-head (article &optional body-present)
|
|
|
|
|
|
(let ((entry (cdr (assq (if body-present 1 article) nndoc-dissection-alist))))
|
|
|
|
|
|
(let ((subject (if body-present
|
|
|
|
|
|
nndoc-mime-subject
|
|
|
|
|
|
(concat "<" (nth 5 entry) ">")))
|
|
|
|
|
|
(message-id (nth 6 entry))
|
|
|
|
|
|
(references (nth 7 entry)))
|
|
|
|
|
|
(insert nndoc-mime-header)
|
|
|
|
|
|
(and subject (insert "Subject: " subject "\n"))
|
|
|
|
|
|
(and message-id (insert "Message-ID: " message-id "\n"))
|
|
|
|
|
|
(and references (insert "References: " references "\n")))))
|
|
|
|
|
|
|
1997-04-16 22:13:18 +00:00
|
|
|
|
(defun nndoc-clari-briefs-type-p ()
|
|
|
|
|
|
(when (let ((case-fold-search nil))
|
|
|
|
|
|
(re-search-forward "^\t[^a-z]+ ([^a-z]+) --" nil t))
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-transform-clari-briefs (article)
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(when (looking-at " *\\*\\(.*\\)\n")
|
|
|
|
|
|
(replace-match "" t t))
|
|
|
|
|
|
(nndoc-generate-clari-briefs-head article))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-generate-clari-briefs-head (article)
|
|
|
|
|
|
(let ((entry (cdr (assq article nndoc-dissection-alist)))
|
|
|
|
|
|
subject from)
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(set-buffer nndoc-current-buffer)
|
|
|
|
|
|
(save-restriction
|
|
|
|
|
|
(narrow-to-region (car entry) (nth 3 entry))
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(when (looking-at " *\\*\\(.*\\)$")
|
|
|
|
|
|
(setq subject (match-string 1))
|
|
|
|
|
|
(when (string-match "[ \t]+$" subject)
|
|
|
|
|
|
(setq subject (substring subject 0 (match-beginning 0)))))
|
|
|
|
|
|
(when
|
|
|
|
|
|
(let ((case-fold-search nil))
|
|
|
|
|
|
(re-search-forward
|
|
|
|
|
|
"^\t\\([^a-z]+\\(,[^(]+\\)? ([^a-z]+)\\) --" nil t))
|
|
|
|
|
|
(setq from (match-string 1)))))
|
|
|
|
|
|
(insert "From: " "clari@clari.net (" (or from "unknown") ")"
|
|
|
|
|
|
"\nSubject: " (or subject "(no subject)") "\n")))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-mime-digest-type-p ()
|
|
|
|
|
|
(let ((case-fold-search t)
|
|
|
|
|
|
boundary-id b-delimiter entry)
|
|
|
|
|
|
(when (and
|
|
|
|
|
|
(re-search-forward
|
|
|
|
|
|
(concat "^Content-Type: *multipart/digest;[ \t\n]*[ \t]"
|
1999-02-20 14:05:57 +00:00
|
|
|
|
"boundary=\"?\\([^\"\n]*[^\" \t\n]\\)")
|
1997-04-16 22:13:18 +00:00
|
|
|
|
nil t)
|
|
|
|
|
|
(match-beginning 1))
|
|
|
|
|
|
(setq boundary-id (match-string 1)
|
|
|
|
|
|
b-delimiter (concat "\n--" boundary-id "[\n \t]+"))
|
|
|
|
|
|
(setq entry (assq 'mime-digest nndoc-type-alist))
|
|
|
|
|
|
(setcdr entry
|
|
|
|
|
|
(list
|
|
|
|
|
|
(cons 'head-end "^ ?$")
|
|
|
|
|
|
(cons 'body-begin "^ ?\n")
|
|
|
|
|
|
(cons 'article-begin b-delimiter)
|
|
|
|
|
|
(cons 'body-end-function 'nndoc-digest-body-end)
|
|
|
|
|
|
(cons 'file-end (concat "\n--" boundary-id "--[ \t]*$"))))
|
|
|
|
|
|
t)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-standard-digest-type-p ()
|
|
|
|
|
|
(when (and (re-search-forward (concat "^" (make-string 70 ?-) "\n\n") nil t)
|
|
|
|
|
|
(re-search-forward
|
|
|
|
|
|
(concat "\n\n" (make-string 30 ?-) "\n\n") nil t))
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-digest-body-end ()
|
|
|
|
|
|
(and (re-search-forward nndoc-article-begin nil t)
|
|
|
|
|
|
(goto-char (match-beginning 0))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-slack-digest-type-p ()
|
|
|
|
|
|
0)
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-lanl-gov-announce-type-p ()
|
|
|
|
|
|
(when (let ((case-fold-search nil))
|
|
|
|
|
|
(re-search-forward "^\\\\\\\\\nPaper: [a-z-]+/[0-9]+" nil t))
|
|
|
|
|
|
t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-transform-lanl-gov-announce (article)
|
|
|
|
|
|
(goto-char (point-max))
|
|
|
|
|
|
(when (re-search-backward "^\\\\\\\\ +(\\([^ ]*\\) , *\\([^ ]*\\))" nil t)
|
|
|
|
|
|
(replace-match "\n\nGet it at \\1 (\\2)" t nil))
|
|
|
|
|
|
;; (when (re-search-backward "^\\\\\\\\$" nil t)
|
|
|
|
|
|
;; (replace-match "" t t))
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-generate-lanl-gov-head (article)
|
|
|
|
|
|
(let ((entry (cdr (assq article nndoc-dissection-alist)))
|
|
|
|
|
|
(e-mail "no address given")
|
|
|
|
|
|
subject from)
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(set-buffer nndoc-current-buffer)
|
|
|
|
|
|
(save-restriction
|
|
|
|
|
|
(narrow-to-region (car entry) (nth 1 entry))
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(when (looking-at "^Paper.*: \\([a-z-]+/[0-9]+\\)")
|
|
|
|
|
|
(setq subject (concat " (" (match-string 1) ")"))
|
|
|
|
|
|
(when (re-search-forward "^From: \\([^ ]+\\)" nil t)
|
|
|
|
|
|
(setq e-mail (match-string 1)))
|
|
|
|
|
|
(when (re-search-forward "^Title: \\([^\f]*\\)\nAuthors?: \\(.*\\)"
|
|
|
|
|
|
nil t)
|
|
|
|
|
|
(setq subject (concat (match-string 1) subject))
|
|
|
|
|
|
(setq from (concat (match-string 2) " <" e-mail ">"))))
|
|
|
|
|
|
))
|
|
|
|
|
|
(while (and from (string-match "(\[^)\]*)" from))
|
|
|
|
|
|
(setq from (replace-match "" t t from)))
|
|
|
|
|
|
(insert "From: " (or from "unknown")
|
|
|
|
|
|
"\nSubject: " (or subject "(no subject)") "\n")))
|
|
|
|
|
|
|
1999-02-20 14:05:57 +00:00
|
|
|
|
(deffoo nndoc-request-accept-article (group &optional server last)
|
|
|
|
|
|
nil)
|
|
|
|
|
|
|
1997-04-16 22:13:18 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
;;;
|
|
|
|
|
|
;;; Functions for dissecting the documents
|
|
|
|
|
|
;;;
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-search (regexp)
|
|
|
|
|
|
(prog1
|
|
|
|
|
|
(re-search-forward regexp nil t)
|
|
|
|
|
|
(beginning-of-line)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-dissect-buffer ()
|
|
|
|
|
|
"Go through the document and partition it into heads/bodies/articles."
|
|
|
|
|
|
(let ((i 0)
|
|
|
|
|
|
(first t)
|
|
|
|
|
|
head-begin head-end body-begin body-end)
|
|
|
|
|
|
(setq nndoc-dissection-alist nil)
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(set-buffer nndoc-current-buffer)
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
;; Find the beginning of the file.
|
|
|
|
|
|
(when nndoc-file-begin
|
|
|
|
|
|
(nndoc-search nndoc-file-begin))
|
|
|
|
|
|
;; Go through the file.
|
|
|
|
|
|
(while (if (and first nndoc-first-article)
|
|
|
|
|
|
(nndoc-search nndoc-first-article)
|
|
|
|
|
|
(nndoc-article-begin))
|
|
|
|
|
|
(setq first nil)
|
|
|
|
|
|
(cond (nndoc-head-begin-function
|
|
|
|
|
|
(funcall nndoc-head-begin-function))
|
|
|
|
|
|
(nndoc-head-begin
|
|
|
|
|
|
(nndoc-search nndoc-head-begin)))
|
1999-02-20 14:05:57 +00:00
|
|
|
|
(if (or (eobp)
|
1997-04-16 22:13:18 +00:00
|
|
|
|
(and nndoc-file-end
|
|
|
|
|
|
(looking-at nndoc-file-end)))
|
|
|
|
|
|
(goto-char (point-max))
|
|
|
|
|
|
(setq head-begin (point))
|
|
|
|
|
|
(nndoc-search (or nndoc-head-end "^$"))
|
|
|
|
|
|
(setq head-end (point))
|
|
|
|
|
|
(if nndoc-body-begin-function
|
|
|
|
|
|
(funcall nndoc-body-begin-function)
|
|
|
|
|
|
(nndoc-search (or nndoc-body-begin "^\n")))
|
|
|
|
|
|
(setq body-begin (point))
|
|
|
|
|
|
(or (and nndoc-body-end-function
|
|
|
|
|
|
(funcall nndoc-body-end-function))
|
|
|
|
|
|
(and nndoc-body-end
|
|
|
|
|
|
(nndoc-search nndoc-body-end))
|
|
|
|
|
|
(nndoc-article-begin)
|
|
|
|
|
|
(progn
|
|
|
|
|
|
(goto-char (point-max))
|
|
|
|
|
|
(when nndoc-file-end
|
|
|
|
|
|
(and (re-search-backward nndoc-file-end nil t)
|
|
|
|
|
|
(beginning-of-line)))))
|
|
|
|
|
|
(setq body-end (point))
|
|
|
|
|
|
(push (list (incf i) head-begin head-end body-begin body-end
|
|
|
|
|
|
(count-lines body-begin body-end))
|
|
|
|
|
|
nndoc-dissection-alist))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-article-begin ()
|
|
|
|
|
|
(if nndoc-article-begin-function
|
|
|
|
|
|
(funcall nndoc-article-begin-function)
|
|
|
|
|
|
(ignore-errors
|
|
|
|
|
|
(nndoc-search nndoc-article-begin))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-unquote-dashes ()
|
|
|
|
|
|
"Unquote quoted non-separators in digests."
|
|
|
|
|
|
(while (re-search-forward "^- -"nil t)
|
|
|
|
|
|
(replace-match "-" t t)))
|
|
|
|
|
|
|
1999-02-20 14:05:57 +00:00
|
|
|
|
;; Against compiler warnings.
|
|
|
|
|
|
(defvar nndoc-mime-split-ordinal)
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-dissect-mime-parts ()
|
|
|
|
|
|
"Go through a MIME composite article and partition it into sub-articles.
|
|
|
|
|
|
When a MIME entity contains sub-entities, dissection produces one article for
|
|
|
|
|
|
the header of this entity, and one article per sub-entity."
|
|
|
|
|
|
(setq nndoc-dissection-alist nil
|
|
|
|
|
|
nndoc-mime-split-ordinal 0)
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(set-buffer nndoc-current-buffer)
|
|
|
|
|
|
(message-narrow-to-head)
|
|
|
|
|
|
(let ((case-fold-search t)
|
|
|
|
|
|
(message-id (message-fetch-field "Message-ID"))
|
|
|
|
|
|
(references (message-fetch-field "References")))
|
|
|
|
|
|
(setq nndoc-mime-header (buffer-substring (point-min) (point-max))
|
|
|
|
|
|
nndoc-mime-subject (message-fetch-field "Subject"))
|
|
|
|
|
|
(while (string-match "\
|
|
|
|
|
|
^\\(Subject\\|Message-ID\\|References\\|Lines\\|\
|
|
|
|
|
|
MIME-Version\\|Content-Type\\|Content-Transfer-Encoding\\|\
|
|
|
|
|
|
\\):.*\n\\([ \t].*\n\\)*"
|
|
|
|
|
|
nndoc-mime-header)
|
|
|
|
|
|
(setq nndoc-mime-header (replace-match "" t t nndoc-mime-header)))
|
|
|
|
|
|
(widen)
|
|
|
|
|
|
(nndoc-dissect-mime-parts-sub (point-min) (point-max)
|
|
|
|
|
|
nil message-id references))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun nndoc-dissect-mime-parts-sub (begin end position message-id references)
|
|
|
|
|
|
"Dissect an entity within a composite MIME message.
|
|
|
|
|
|
The article, which corresponds to a MIME entity, extends from BEGIN to END.
|
|
|
|
|
|
The string POSITION holds a dotted decimal representation of the article
|
|
|
|
|
|
position in the hierarchical structure, it is nil for the outer entity.
|
|
|
|
|
|
The generated article should use MESSAGE-ID and REFERENCES field values."
|
|
|
|
|
|
;; Note: `case-fold-search' is already `t' from the calling function.
|
|
|
|
|
|
(let ((head-begin begin)
|
|
|
|
|
|
(body-end end)
|
|
|
|
|
|
head-end body-begin type subtype composite comment)
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
;; Gracefully handle a missing body.
|
|
|
|
|
|
(goto-char head-begin)
|
|
|
|
|
|
(if (search-forward "\n\n" body-end t)
|
|
|
|
|
|
(setq head-end (1- (point))
|
|
|
|
|
|
body-begin (point))
|
|
|
|
|
|
(setq head-end end
|
|
|
|
|
|
body-begin end))
|
|
|
|
|
|
;; Save MIME attributes.
|
|
|
|
|
|
(goto-char head-begin)
|
|
|
|
|
|
(if (re-search-forward "\
|
|
|
|
|
|
^Content-Type: *\\([^ \t\n/;]+\\)/\\([^ \t\n/;]+\\)"
|
|
|
|
|
|
head-end t)
|
|
|
|
|
|
(setq type (downcase (match-string 1))
|
|
|
|
|
|
subtype (downcase (match-string 2)))
|
|
|
|
|
|
(setq type "text"
|
|
|
|
|
|
subtype "plain"))
|
|
|
|
|
|
(setq composite (string= type "multipart")
|
|
|
|
|
|
comment (concat position
|
|
|
|
|
|
(when (and position composite) ".")
|
|
|
|
|
|
(when composite "*")
|
|
|
|
|
|
(when (or position composite) " ")
|
|
|
|
|
|
(cond ((string= subtype "plain") type)
|
|
|
|
|
|
((string= subtype "basic") type)
|
|
|
|
|
|
(t subtype))))
|
|
|
|
|
|
;; Generate dissection information for this entity.
|
|
|
|
|
|
(push (list (incf nndoc-mime-split-ordinal)
|
|
|
|
|
|
head-begin head-end body-begin body-end
|
|
|
|
|
|
(count-lines body-begin body-end)
|
|
|
|
|
|
comment message-id references)
|
|
|
|
|
|
nndoc-dissection-alist)
|
|
|
|
|
|
;; Recurse for all sub-entities, if any.
|
|
|
|
|
|
(goto-char head-begin)
|
|
|
|
|
|
(when (re-search-forward
|
|
|
|
|
|
(concat "\
|
|
|
|
|
|
^Content-Type: *multipart/\\([a-z]+\\);\\(.*;\\)*"
|
|
|
|
|
|
"[ \t\n]*[ \t]boundary=\"?\\([^\"\n]*[^\" \t\n]\\)")
|
|
|
|
|
|
head-end t)
|
|
|
|
|
|
(let ((boundary (concat "\n--" (match-string 3) "\\(--\\)?[ \t]*\n"))
|
|
|
|
|
|
(part-counter 0)
|
|
|
|
|
|
begin end eof-flag)
|
|
|
|
|
|
(goto-char head-end)
|
|
|
|
|
|
(setq eof-flag (not (re-search-forward boundary body-end t)))
|
|
|
|
|
|
(while (not eof-flag)
|
|
|
|
|
|
(setq begin (point))
|
|
|
|
|
|
(cond ((re-search-forward boundary body-end t)
|
|
|
|
|
|
(or (not (match-string 1))
|
|
|
|
|
|
(string= (match-string 1) "")
|
|
|
|
|
|
(setq eof-flag t))
|
|
|
|
|
|
(forward-line -1)
|
|
|
|
|
|
(setq end (point))
|
|
|
|
|
|
(forward-line 1))
|
|
|
|
|
|
(t (setq end body-end
|
|
|
|
|
|
eof-flag t)))
|
|
|
|
|
|
(nndoc-dissect-mime-parts-sub begin end
|
|
|
|
|
|
(concat position (when position ".")
|
|
|
|
|
|
(format "%d"
|
|
|
|
|
|
(incf part-counter)))
|
|
|
|
|
|
(nnmail-message-id)
|
|
|
|
|
|
message-id)))))))
|
|
|
|
|
|
|
1997-04-16 22:13:18 +00:00
|
|
|
|
;;;###autoload
|
|
|
|
|
|
(defun nndoc-add-type (definition &optional position)
|
|
|
|
|
|
"Add document DEFINITION to the list of nndoc document definitions.
|
|
|
|
|
|
If POSITION is nil or `last', the definition will be added
|
|
|
|
|
|
as the last checked definition, if t or `first', add as the
|
|
|
|
|
|
first definition, and if any other symbol, add after that
|
|
|
|
|
|
symbol in the alist."
|
|
|
|
|
|
;; First remove any old instances.
|
1999-02-20 14:05:57 +00:00
|
|
|
|
(gnus-pull (car definition) nndoc-type-alist)
|
1997-04-16 22:13:18 +00:00
|
|
|
|
;; Then enter the new definition in the proper place.
|
|
|
|
|
|
(cond
|
|
|
|
|
|
((or (null position) (eq position 'last))
|
|
|
|
|
|
(setq nndoc-type-alist (nconc nndoc-type-alist (list definition))))
|
|
|
|
|
|
((or (eq position t) (eq position 'first))
|
|
|
|
|
|
(push definition nndoc-type-alist))
|
|
|
|
|
|
(t
|
|
|
|
|
|
(let ((list (memq (assq position nndoc-type-alist)
|
|
|
|
|
|
nndoc-type-alist)))
|
|
|
|
|
|
(unless list
|
|
|
|
|
|
(error "No such position: %s" position))
|
|
|
|
|
|
(setcdr list (cons definition (cdr list)))))))
|
|
|
|
|
|
|
|
|
|
|
|
(provide 'nndoc)
|
|
|
|
|
|
|
|
|
|
|
|
;;; nndoc.el ends here
|
