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   1 ;;; nnshimbun.el --- interfacing with web newspapers -*- coding: junet; -*-
   2
   3 ;; Authors: TSUCHIYA Masatoshi <tsuchiya@pine.kuee.kyoto-u.ac.jp>
   4 ;;          Akihiro Arisawa    <ari@atesoft.advantest.co.jp>
   5 ;; Keywords: news
   6
   7 ;;; Copyright:
   8
   9 ;; This file is a part of Semi-Gnus.
  10
  11 ;; This program is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 2, or (at your option)
  14 ;; any later version.
  15
  16 ;; This program is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with this program; if not, you can either send email to this
  23 ;; program's maintainer or write to: The Free Software Foundation,
  24 ;; Inc.; 59 Temple Place, Suite 330; Boston, MA 02111-1307, USA.
  25
  26 ;;; Commentary:
  27
  28 ;; Gnus backend to read newspapers on WEB.
  29
  30
  31 ;;; Defintinos:
  32
  33 (gnus-declare-backend "nnshimbun" 'address)
  34
  35 (eval-when-compile (require 'cl))
  36
  37 (require 'nnheader)
  38 (require 'nnmail)
  39 (require 'nnoo)
  40 (require 'gnus-bcklg)
  41 (eval-when-compile
  42   (ignore-errors
  43     (require 'nnweb)))
  44 ;; Report failure to find w3 at load time if appropriate.
  45 (eval '(require 'nnweb))
  46
  47
  48 (nnoo-declare nnshimbun)
  49
  50 (defvar nnshimbun-check-interval 300)
  51
  52 (defconst nnshimbun-mew-groups
  53   '(("meadow-develop" "meadow-develop" nil t)
  54     ("meadow-users-jp" "meadow-users-jp")
  55     ("mule-win32" "mule-win32")
  56     ("mew-win32" "mew-win32")
  57     ("mew-dist" "mew-dist/3300" t)
  58     ("mgp-users-jp" "mgp-users-jp/A" t t)))
  59
  60 (defvar nnshimbun-type-definition
  61   `(("asahi"
  62      (url . "http://spin.asahi.com/")
  63      (groups "national" "business" "politics" "international" "sports" "personal" "feneral")
  64      (coding-system  . ,(if (boundp 'MULE) '*sjis* 'shift_jis))
  65      (generate-nov   . nnshimbun-generate-nov-for-each-group)
  66      (get-headers    . nnshimbun-asahi-get-headers)
  67      (index-url      . (format "%sp%s.html" nnshimbun-url nnshimbun-current-group))
  68      (from-address   . "webmaster@www.asahi.com")
  69      (make-contents  . nnshimbun-make-text-or-html-contents)
  70      (contents-start . "\n<!-- Start of kiji -->\n")
  71      (contents-end   . "\n<!-- End of kiji -->\n"))
  72     ("sponichi"
  73      (url . "http://www.sponichi.co.jp/")
  74      (groups "baseball" "soccer" "usa" "others" "society" "entertainment" "horseracing")
  75      (coding-system  . ,(if (boundp 'MULE) '*sjis* 'shift_jis))
  76      (generate-nov   . nnshimbun-generate-nov-for-each-group)
  77      (get-headers    . nnshimbun-sponichi-get-headers)
  78      (index-url      . (format "%s%s/index.html" nnshimbun-url nnshimbun-current-group))
  79      (from-address   . "webmaster@www.sponichi.co.jp")
  80      (make-contents  . nnshimbun-make-text-or-html-contents)
  81      (contents-start . "\n<span class=\"text\">\e$B!!\e(B")
  82      (contents-end   . "\n"))
  83     ("cnet"
  84      (url . "http://cnet.sphere.ne.jp/")
  85      (groups "comp")
  86      (coding-system  . ,(if (boundp 'MULE) '*sjis* 'shift_jis))
  87      (generate-nov   . nnshimbun-generate-nov-for-each-group)
  88      (get-headers    . nnshimbun-cnet-get-headers)
  89      (index-url      . (format "%s/News/Oneweek/" nnshimbun-url))
  90      (from-address   . "cnet@sphere.ad.jp")
  91      (make-contents  . nnshimbun-make-html-contents)
  92      (contents-start . "\n<!--KIJI-->\n")
  93      (contents-end   . "\n<!--/KIJI-->\n"))
  94     ("wired"
  95      (url . "http://www.hotwired.co.jp/")
  96      (groups "business" "culture" "technology")
  97      (coding-system  . ,(if (boundp 'MULE) '*euc-japan* 'euc-jp))
  98      (generate-nov   . nnshimbun-generate-nov-for-all-groups)
  99      (get-headers    . nnshimbun-wired-get-all-headers)
 100      (index-url)
 101      (from-address   . "webmaster@www.hotwired.co.jp")
 102      (make-contents  . nnshimbun-make-html-contents)
 103      (contents-start . "\n<!-- START_OF_BODY -->\n")
 104      (contents-end   . "\n<!-- END_OF_BODY -->\n"))
 105     ("yomiuri"
 106      (url . "http://www.yomiuri.co.jp/")
 107      (groups "shakai" "sports" "seiji" "keizai" "kokusai" "fuho")
 108      (coding-system  . ,(if (boundp 'MULE) '*sjis* 'shift_jis))
 109      (generate-nov   . nnshimbun-generate-nov-for-all-groups)
 110      (get-headers    . nnshimbun-yomiuri-get-all-headers)
 111      (index-url      . (concat nnshimbun-url "main.htm"))
 112      (from-address   . "webmaster@www.yomiuri.co.jp")
 113      (make-contents  . nnshimbun-make-text-or-html-contents)
 114      (contents-start . "\n<!--  honbun start  -->\n")
 115      (contents-end   . "\n<!--  honbun end  -->\n"))
 116     ("zdnet"
 117      (url . "http://www.zdnet.co.jp/news/")
 118      (groups "comp")
 119      (coding-system  . ,(if (boundp 'MULE) '*sjis* 'shift_jis))
 120      (generate-nov   . nnshimbun-generate-nov-for-each-group)
 121      (get-headers    . nnshimbun-zdnet-get-headers)
 122      (index-url      . nnshimbun-url)
 123      (from-address   . "zdnn@softbank.co.jp")
 124      (make-contents  . nnshimbun-make-html-contents)
 125      (contents-start . "\\(<!--BODY-->\\|<!--DATE-->\\)")
 126      (contents-end   . "\\(<!--BODYEND-->\\|<!--BYLINEEND-->\\)"))
 127     ("mew"
 128      (url . "http://www.mew.org/archive/")
 129      (groups ,@(mapcar #'car nnshimbun-mew-groups))
 130      (coding-system . ,(if (boundp 'MULE) '*iso-2022-jp* 'iso-2022-jp))
 131      (generate-nov  . nnshimbun-generate-nov-for-each-group)
 132      (get-headers   . nnshimbun-mew-get-headers)
 133      (index-url     . (nnshimbun-mew-concat-url "index.html"))
 134      (make-contents . nnshimbun-make-mhonarc-contents))
 135     ("xemacs"
 136      (url . "http://www.xemacs.org/list-archives/")
 137      (groups "xemacs-announce" "xemacs-beta-ja" "xemacs-beta"
 138              "xemacs-build-reports" "xemacs-cvs" "xemacs-mule"
 139              "xemacs-nt" "xemacs-patches" "xemacs-users-ja" "xemacs")
 140      (coding-system . ,(if (boundp 'MULE) '*euc-japan* 'euc-jp))
 141      (generate-nov  . nnshimbun-generate-nov-for-each-group)
 142      (get-headers   . nnshimbun-xemacs-get-headers)
 143      (index-url     . (nnshimbun-xemacs-concat-url nil))
 144      (make-contents . nnshimbun-make-mhonarc-contents))
 145     ("netbsd"
 146      (url . "http://www.jp.netbsd.org/ja/JP/ml/")
 147      (groups "announce-ja" "junk-ja" "tech-misc-ja" "tech-pkg-ja"
 148              "port-arm32-ja" "port-hpcmips-ja" "port-mac68k-ja"
 149              "port-mips-ja" "port-powerpc-ja" "hpcmips-changes-ja"
 150              "members-ja" "admin-ja" "www-changes-ja")
 151      (coding-system  . ,(if (boundp 'MULE) '*iso-2022-jp* 'iso-2022-jp))
 152      (generate-nov   . nnshimbun-generate-nov-for-each-group)
 153      (get-headers    . nnshimbun-netbsd-get-headers)
 154      (index-url      . (format "%s%s/index.html" nnshimbun-url nnshimbun-current-group))
 155      (make-contents  . nnshimbun-make-mhonarc-contents))
 156     ))
 157
 158 (defvar nnshimbun-x-face-alist
 159   '(("default" .
 160      (("default" .
 161        "X-Face: Ygq$6P.,%Xt$U)DS)cRY@k$VkW!7(X'X'?U{{osjjFG\"E]hND;SPJ-J?O?R|a?L
 162         g2$0rVng=O3Lt}?~IId8Jj&vP^3*o=LKUyk(`t%0c!;t6REk=JbpsEn9MrN7gZ%"))))
 163   "Alist of server vs. alist of group vs. X-Face field.  It looks like:
 164
 165 \((\"asahi\" . ((\"national\" . \"X-face: ***\")
 166              (\"business\" . \"X-Face: ***\")
 167                 ;;
 168                 ;;
 169              (\"default\" . \"X-face: ***\")))
 170  (\"sponichi\" . ((\"baseball\" . \"X-face: ***\")
 171                 (\"soccer\" . \"X-Face: ***\")
 172                 ;;
 173                 ;;
 174                 (\"default\" . \"X-face: ***\")))
 175                 ;;
 176  (\"default\" . ((\"default\" . \"X-face: ***\")))")
 177
 178 (defvoo nnshimbun-directory (nnheader-concat gnus-directory "shimbun/")
 179   "Where nnshimbun will save its files.")
 180
 181 (defvoo nnshimbun-nov-is-evil nil
 182   "*Non-nil means that nnshimbun will never retrieve NOV headers.")
 183
 184 (defvoo nnshimbun-nov-file-name ".overview")
 185
 186 (defvoo nnshimbun-pre-fetch-article nil
 187   "*Non nil means that nnshimbun fetch unread articles when scanning groups.")
 188
 189 ;; set by nnshimbun-possibly-change-group
 190 (defvoo nnshimbun-buffer nil)
 191 (defvoo nnshimbun-current-directory nil)
 192 (defvoo nnshimbun-current-group nil)
 193
 194 ;; set by nnshimbun-open-server
 195 (defvoo nnshimbun-url nil)
 196 (defvoo nnshimbun-coding-system nil)
 197 (defvoo nnshimbun-groups nil)
 198 (defvoo nnshimbun-generate-nov nil)
 199 (defvoo nnshimbun-get-headers nil)
 200 (defvoo nnshimbun-index-url nil)
 201 (defvoo nnshimbun-from-address nil)
 202 (defvoo nnshimbun-make-contents nil)
 203 (defvoo nnshimbun-contents-start nil)
 204 (defvoo nnshimbun-contents-end nil)
 205 (defvoo nnshimbun-server-directory nil)
 206
 207 (defvoo nnshimbun-status-string "")
 208 (defvoo nnshimbun-nov-last-check nil)
 209 (defvoo nnshimbun-nov-buffer-alist nil)
 210 (defvoo nnshimbun-nov-buffer-file-name nil)
 211
 212 (defvoo nnshimbun-keep-backlog 300)
 213 (defvoo nnshimbun-backlog-articles nil)
 214 (defvoo nnshimbun-backlog-hashtb nil)
 215
 216
 217
 218 ;;; backlog
 219 (defmacro nnshimbun-backlog (&rest form)
 220   `(let ((gnus-keep-backlog nnshimbun-keep-backlog)
 221          (gnus-backlog-buffer (format " *nnshimbun backlog %s*" (nnoo-current-server 'nnshimbun)))
 222          (gnus-backlog-articles nnshimbun-backlog-articles)
 223          (gnus-backlog-hashtb nnshimbun-backlog-hashtb))
 224      (unwind-protect
 225          (progn ,@form)
 226        (setq nnshimbun-backlog-articles gnus-backlog-articles
 227              nnshimbun-backlog-hashtb gnus-backlog-hashtb))))
 228 (put 'nnshimbun-backlog 'lisp-indent-function 0)
 229 (put 'nnshimbun-backlog 'edebug-form-spec '(form body))
 230
 231
 232
 233 ;;; Interface Functions
 234 (nnoo-define-basics nnshimbun)
 235
 236 (deffoo nnshimbun-open-server (server &optional defs)
 237   ;; Set default values.
 238   (dolist (default (cdr (assoc server nnshimbun-type-definition)))
 239     (let ((symbol (intern (concat "nnshimbun-" (symbol-name (car default))))))
 240       (unless (assq symbol defs)
 241         (push (list symbol (cdr default)) defs))))
 242   ;; Set directory for server working files.
 243   (push (list 'nnshimbun-server-directory
 244               (file-name-as-directory
 245                (expand-file-name server nnshimbun-directory)))
 246         defs)
 247   (nnoo-change-server 'nnshimbun server defs)
 248   (nnshimbun-possibly-change-group nil server)
 249   ;; Make directories.
 250   (unless (file-exists-p nnshimbun-directory)
 251     (ignore-errors (make-directory nnshimbun-directory t)))
 252   (cond
 253    ((not (file-exists-p nnshimbun-directory))
 254     (nnshimbun-close-server)
 255     (nnheader-report 'nnshimbun "Couldn't create directory: %s" nnshimbun-directory))
 256    ((not (file-directory-p (file-truename nnshimbun-directory)))
 257     (nnshimbun-close-server)
 258     (nnheader-report 'nnshimbun "Not a directory: %s" nnshimbun-directory))
 259    (t
 260     (unless (file-exists-p nnshimbun-server-directory)
 261       (ignore-errors (make-directory nnshimbun-server-directory t)))
 262     (cond
 263      ((not (file-exists-p nnshimbun-server-directory))
 264       (nnshimbun-close-server)
 265       (nnheader-report 'nnshimbun "Couldn't create directory: %s" nnshimbun-server-directory))
 266      ((not (file-directory-p (file-truename nnshimbun-server-directory)))
 267       (nnshimbun-close-server)
 268       (nnheader-report 'nnshimbun "Not a directory: %s" nnshimbun-server-directory))
 269      (t
 270       (nnheader-report 'nnshimbun "Opened server %s using directory %s"
 271                        server nnshimbun-server-directory)
 272       t)))))
 273
 274 (deffoo nnshimbun-close-server (&optional server)
 275   (and (nnshimbun-server-opened server)
 276        (gnus-buffer-live-p nnshimbun-buffer)
 277        (kill-buffer nnshimbun-buffer))
 278   (nnshimbun-backlog (gnus-backlog-shutdown))
 279   (nnshimbun-save-nov)
 280   (nnoo-close-server 'nnshimbun server)
 281   t)
 282
 283 (defun nnshimbun-retrieve-url (url &optional no-cache)
 284   "Rertrieve URL contents and insert to current buffer."
 285   (let ((coding-system-for-read 'binary)
 286         (coding-system-for-write 'binary))
 287     (set-buffer-multibyte nil)
 288     ;; Following code is imported from `url-insert-file-contents'.
 289     (save-excursion
 290       (let ((old-asynch (default-value 'url-be-asynchronous))
 291             (old-caching (default-value 'url-automatic-caching))
 292             (old-mode (default-value 'url-standalone-mode)))
 293         (unwind-protect
 294             (progn
 295               (setq-default url-be-asynchronous nil)
 296               (when no-cache
 297                 (setq-default url-automatic-caching nil)
 298                 (setq-default url-standalone-mode nil))
 299               (let ((buf (current-buffer))
 300                     (url-working-buffer (cdr (url-retrieve url no-cache))))
 301                 (set-buffer url-working-buffer)
 302                 (url-uncompress)
 303                 (set-buffer buf)
 304                 (insert-buffer url-working-buffer)
 305                 (save-excursion
 306                   (set-buffer url-working-buffer)
 307                   (set-buffer-modified-p nil))
 308                 (kill-buffer url-working-buffer)))
 309           (setq-default url-be-asynchronous old-asynch)
 310           (setq-default url-automatic-caching old-caching)
 311           (setq-default url-standalone-mode old-mode))))
 312     ;; Modify buffer coding system.
 313     (decode-coding-region (point-min) (point-max) nnshimbun-coding-system)
 314     (set-buffer-multibyte t)))
 315
 316 (deffoo nnshimbun-request-article (article &optional group server to-buffer)
 317   (when (nnshimbun-possibly-change-group group server)
 318     (if (stringp article)
 319         (setq article (nnshimbun-search-id group article)))
 320     (if (integerp article)
 321         (nnshimbun-request-article-1 article group server to-buffer)
 322       (nnheader-report 'nnml "Couldn't retrieve article: %s" (prin1-to-string article))
 323       nil)))
 324
 325 (defsubst nnshimbun-header-xref (x)
 326   (if (and (setq x (mail-header-xref x))
 327            (string-match "^Xref: " x))
 328       (substring x 6)
 329     x))
 330
 331 (defun nnshimbun-request-article-1 (article &optional group server to-buffer)
 332   (if (nnshimbun-backlog
 333         (gnus-backlog-request-article
 334          group article (or to-buffer nntp-server-buffer)))
 335       (cons group article)
 336     (let (header contents)
 337       (when (setq header (save-excursion
 338                            (set-buffer (nnshimbun-open-nov group))
 339                            (and (nnheader-find-nov-line article)
 340                                 (nnheader-parse-nov))))
 341         (let* ((xref (nnshimbun-header-xref header))
 342                (x-faces (cdr (or (assoc (or server
 343                                             (nnoo-current-server 'nnshimbun))
 344                                         nnshimbun-x-face-alist)
 345                                  (assoc "default" nnshimbun-x-face-alist))))
 346                (x-face (cdr (or (assoc group x-faces)
 347                                 (assoc "default" x-faces)))))
 348           (save-excursion
 349             (set-buffer nnshimbun-buffer)
 350             (erase-buffer)
 351             (nnshimbun-retrieve-url xref)
 352             (nnheader-message 6 "nnshimbun: Make contents...")
 353             (goto-char (point-min))
 354             (setq contents (funcall nnshimbun-make-contents header x-face))
 355             (nnheader-message 6 "nnshimbun: Make contents...done"))))
 356       (when contents
 357         (save-excursion
 358           (set-buffer (or to-buffer nntp-server-buffer))
 359           (erase-buffer)
 360           (insert contents)
 361           (nnshimbun-backlog
 362             (gnus-backlog-enter-article group article (current-buffer)))
 363           (nnheader-report 'nnshimbun "Article %s retrieved" (mail-header-id header))
 364           (cons group (mail-header-number header)))))))
 365
 366 (deffoo nnshimbun-request-group (group &optional server dont-check)
 367   (let ((pathname-coding-system 'binary))
 368     (cond
 369      ((not (nnshimbun-possibly-change-group group server))
 370       (nnheader-report 'nnshimbun "Invalid group (no such directory)"))
 371      ((not (file-exists-p nnshimbun-current-directory))
 372       (nnheader-report 'nnshimbun "Directory %s does not exist"
 373                        nnshimbun-current-directory))
 374      ((not (file-directory-p nnshimbun-current-directory))
 375       (nnheader-report 'nnshimbun "%s is not a directory" nnshimbun-current-directory))
 376      (dont-check
 377       (nnheader-report 'nnshimbun "Group %s selected" group)
 378       t)
 379      (t
 380       (let (beg end lines)
 381         (save-excursion
 382           (set-buffer (nnshimbun-open-nov group))
 383           (goto-char (point-min))
 384           (setq beg (ignore-errors (read (current-buffer))))
 385           (goto-char (point-max))
 386           (forward-line -1)
 387           (setq end (ignore-errors (read (current-buffer)))
 388                 lines (count-lines (point-min) (point-max))))
 389         (nnheader-report 'nnshimbunw "Selected group %s" group)
 390         (nnheader-insert "211 %d %d %d %s\n"
 391                          lines (or beg 0) (or end 0) group))))))
 392
 393 (deffoo nnshimbun-request-scan (&optional group server)
 394   (nnshimbun-possibly-change-group group server)
 395   (nnshimbun-generate-nov-database group))
 396
 397 (deffoo nnshimbun-close-group (group &optional server)
 398   (nnshimbun-write-nov group)
 399   t)
 400
 401 (deffoo nnshimbun-request-list (&optional server)
 402   (save-excursion
 403     (set-buffer nntp-server-buffer)
 404     (erase-buffer)
 405     (dolist (group nnshimbun-groups)
 406       (when (nnshimbun-possibly-change-group group server)
 407         (let (beg end)
 408           (save-excursion
 409             (set-buffer (nnshimbun-open-nov group))
 410             (goto-char (point-min))
 411             (setq beg (ignore-errors (read (current-buffer))))
 412             (goto-char (point-max))
 413             (forward-line -1)
 414             (setq end (ignore-errors (read (current-buffer)))))
 415           (insert (format "%s %d %d n\n" group (or end 0) (or beg 0)))))))
 416   t) ; return value
 417
 418 (eval-and-compile
 419   (if (fboundp 'mime-entity-fetch-field)
 420       ;; For Semi-Gnus.
 421       (defun nnshimbun-insert-header (header)
 422         (insert "Subject: " (or (mime-entity-fetch-field header 'Subject) "(none)") "\n"
 423                 "From: " (or (mime-entity-fetch-field header 'From) "(nobody)") "\n"
 424                 "Date: " (or (mail-header-date header) "") "\n"
 425                 "Message-ID: " (or (mail-header-id header) (nnmail-message-id)) "\n")
 426         (let ((refs (mail-header-references header)))
 427           (and refs
 428                (string< "" refs)
 429                (insert "References: " refs "\n")))
 430         (insert "Lines: " (number-to-string (or (mail-header-lines header) 0)) "\n"
 431                 "Xref: " (nnshimbun-header-xref header) "\n"))
 432     ;; For pure Gnus.
 433     (defun nnshimbun-insert-header (header)
 434       (nnheader-insert-header header)
 435       (delete-char -1)
 436       (insert "Xref: " (nnshimbun-header-xref header) "\n"))))
 437
 438 (deffoo nnshimbun-retrieve-headers (articles &optional group server fetch-old)
 439   (when (nnshimbun-possibly-change-group group server)
 440     (if (nnshimbun-retrieve-headers-with-nov articles fetch-old)
 441         'nov
 442       (save-excursion
 443         (set-buffer nntp-server-buffer)
 444         (erase-buffer)
 445         (let (header)
 446           (dolist (art articles)
 447             (if (stringp art)
 448                 (setq art (nnshimbun-search-id group art)))
 449             (if (integerp art)
 450                 (when (setq header
 451                             (save-excursion
 452                               (set-buffer (nnshimbun-open-nov group))
 453                               (and (nnheader-find-nov-line art)
 454                                    (nnheader-parse-nov))))
 455                   (insert (format "220 %d Article retrieved.\n" art))
 456                   (nnshimbun-insert-header header)
 457                   (insert ".\n")
 458                   (delete-region (point) (point-max))))))
 459         'header))))
 460
 461 (defun nnshimbun-retrieve-headers-with-nov (articles &optional fetch-old)
 462   (if (or gnus-nov-is-evil nnshimbun-nov-is-evil)
 463       nil
 464     (let ((nov (expand-file-name nnshimbun-nov-file-name nnshimbun-current-directory)))
 465       (when (file-exists-p nov)
 466         (save-excursion
 467           (set-buffer nntp-server-buffer)
 468           (erase-buffer)
 469           (nnheader-insert-file-contents nov)
 470           (if (and fetch-old (not (numberp fetch-old)))
 471               t                         ; Don't remove anything.
 472             (nnheader-nov-delete-outside-range
 473              (if fetch-old (max 1 (- (car articles) fetch-old))
 474                (car articles))
 475              (car (last articles)))
 476             t))))))
 477
 478
 479
 480 ;;; Nov Database Operations
 481
 482 (defun nnshimbun-generate-nov-database (group)
 483   (prog1 (funcall nnshimbun-generate-nov group)
 484     (nnshimbun-write-nov group)))
 485
 486 (defun nnshimbun-generate-nov-for-each-group (group)
 487   (nnshimbun-possibly-change-group group)
 488   (save-excursion
 489     (set-buffer (nnshimbun-open-nov group))
 490     (let (i)
 491       (goto-char (point-max))
 492       (forward-line -1)
 493       (setq i (or (ignore-errors (read (current-buffer))) 0))
 494       (dolist (header (save-excursion
 495                         (set-buffer nnshimbun-buffer)
 496                         (erase-buffer)
 497                         (nnshimbun-retrieve-url (eval nnshimbun-index-url) t)
 498                         (goto-char (point-min))
 499                         (funcall nnshimbun-get-headers)))
 500         (unless (nnshimbun-search-id group (mail-header-id header))
 501           (mail-header-set-number header (setq i (1+ i)))
 502           (goto-char (point-max))
 503           (nnheader-insert-nov header)
 504           (if nnshimbun-pre-fetch-article
 505               (nnshimbun-request-article-1 i group nil nnshimbun-buffer)))))))
 506
 507 (defun nnshimbun-generate-nov-for-all-groups (&rest args)
 508   (unless (and nnshimbun-nov-last-check
 509                (< (nnshimbun-lapse-seconds nnshimbun-nov-last-check)
 510                   nnshimbun-check-interval))
 511     (save-excursion
 512       (dolist (list (funcall nnshimbun-get-headers))
 513         (let ((group (car list)))
 514           (nnshimbun-possibly-change-group group)
 515           (when (cdr list)
 516             (set-buffer (nnshimbun-open-nov group))
 517             (let (i)
 518               (goto-char (point-max))
 519               (forward-line -1)
 520               (setq i (or (ignore-errors (read (current-buffer))) 0))
 521               (dolist (header (cdr list))
 522                 (unless (nnshimbun-search-id group (mail-header-id header))
 523                   (mail-header-set-number header (setq i (1+ i)))
 524                   (goto-char (point-max))
 525                   (nnheader-insert-nov header)
 526                   (if nnshimbun-pre-fetch-article
 527                       (nnshimbun-request-article-1 i group nil nnshimbun-buffer))))))))
 528       (nnshimbun-save-nov)
 529       (setq nnshimbun-nov-last-check (current-time)))))
 530
 531 (defun nnshimbun-search-id (group id &optional nov)
 532   (save-excursion
 533     (set-buffer (nnshimbun-open-nov group))
 534     (goto-char (point-min))
 535     (let (found)
 536       (while (and (not found)
 537                   (search-forward id nil t)) ; We find the ID.
 538         ;; And the id is in the fourth field.
 539         (if (not (and (search-backward "\t" nil t 4)
 540                       (not (search-backward "\t" (gnus-point-at-bol) t))))
 541             (forward-line 1)
 542           (forward-line 0)
 543           (setq found t)))
 544       (unless found
 545         (goto-char (point-min))
 546         (when (search-forward (concat "X-Nnshimbun-Id: " id) nil t)
 547           (forward-line 0)
 548           (setq found t)))
 549       (if found
 550           (if nov
 551               (nnheader-parse-nov)
 552             ;; We return the article number.
 553             (ignore-errors (read (current-buffer))))))))
 554
 555 (defun nnshimbun-nov-fix-header (group header args)
 556   (save-excursion
 557     (set-buffer (nnshimbun-open-nov group))
 558     (when (nnheader-find-nov-line (mail-header-number header))
 559       (dolist (arg args)
 560         (if (eq (car arg) 'id)
 561             (let ((extra (mail-header-extra header)))
 562               (unless (assq 'X-Nnshimbun-Id extra)
 563                 (mail-header-set-extra
 564                  header
 565                  (cons (cons 'X-Nnshimbun-Id (mail-header-id header))
 566                        extra)))
 567               (mail-header-set-id header (cdr arg)))
 568           (let ((func (intern (concat "mail-header-set-" (symbol-name (car arg))))))
 569             (if (cdr arg) (eval (list func header (cdr arg)))))))
 570       (mail-header-set-xref header (nnshimbun-header-xref header))
 571       (delete-region (point) (progn (forward-line 1) (point)))
 572       (nnheader-insert-nov header))))
 573
 574 (defun nnshimbun-open-nov (group)
 575   (let ((buffer (cdr (assoc group nnshimbun-nov-buffer-alist))))
 576     (if (buffer-live-p buffer)
 577         buffer
 578       (setq buffer (gnus-get-buffer-create
 579                     (format " *nnshimbun overview %s %s*"
 580                             (nnoo-current-server 'nnshimbun) group)))
 581       (save-excursion
 582         (set-buffer buffer)
 583         (set (make-local-variable 'nnshimbun-nov-buffer-file-name)
 584              (expand-file-name
 585               nnshimbun-nov-file-name
 586               (nnmail-group-pathname group nnshimbun-server-directory)))
 587         (erase-buffer)
 588         (when (file-exists-p nnshimbun-nov-buffer-file-name)
 589           (nnheader-insert-file-contents nnshimbun-nov-buffer-file-name))
 590         (set-buffer-modified-p nil))
 591       (push (cons group buffer) nnshimbun-nov-buffer-alist)
 592       buffer)))
 593
 594 (defun nnshimbun-write-nov (group)
 595   (let ((buffer (cdr (assoc group nnshimbun-nov-buffer-alist))))
 596     (when (buffer-live-p buffer)
 597       (save-excursion
 598         (set-buffer buffer)
 599         (buffer-modified-p)
 600         (nnmail-write-region 1 (point-max) nnshimbun-nov-buffer-file-name
 601                              nil 'nomesg)))))
 602
 603 (defun nnshimbun-save-nov ()
 604   (save-excursion
 605     (while nnshimbun-nov-buffer-alist
 606       (when (buffer-name (cdar nnshimbun-nov-buffer-alist))
 607         (set-buffer (cdar nnshimbun-nov-buffer-alist))
 608         (when (buffer-modified-p)
 609           (nnmail-write-region 1 (point-max) nnshimbun-nov-buffer-file-name
 610                                nil 'nomesg))
 611         (set-buffer-modified-p nil)
 612         (kill-buffer (current-buffer)))
 613       (setq nnshimbun-nov-buffer-alist (cdr nnshimbun-nov-buffer-alist)))))
 614
 615
 616
 617 ;;; Server Initialize
 618 (defun nnshimbun-possibly-change-group (group &optional server)
 619   (when server
 620     (unless (nnshimbun-server-opened server)
 621       (nnshimbun-open-server server)))
 622   (unless (gnus-buffer-live-p nnshimbun-buffer)
 623     (setq nnshimbun-buffer
 624           (save-excursion
 625             (nnheader-set-temp-buffer
 626              (format " *nnshimbun %s*" (nnoo-current-server 'nnshimbun))))))
 627   (if (not group)
 628       t
 629     (let ((pathname (nnmail-group-pathname group nnshimbun-server-directory))
 630           (pathname-coding-system 'binary))
 631       (unless (equal pathname nnshimbun-current-directory)
 632         (setq nnshimbun-current-directory pathname
 633               nnshimbun-current-group group))
 634       (unless (file-exists-p nnshimbun-current-directory)
 635         (ignore-errors (make-directory nnshimbun-current-directory t)))
 636       (cond
 637        ((not (file-exists-p nnshimbun-current-directory))
 638         (nnheader-report 'nnshimbun "Couldn't create directory: %s" nnshimbun-current-directory))
 639        ((not (file-directory-p (file-truename nnshimbun-current-directory)))
 640         (nnheader-report 'nnshimbun "Not a directory: %s" nnshimbun-current-directory))
 641        (t t)))))
 642
 643
 644
 645 ;;; Misc Functions
 646
 647 (eval-and-compile
 648   (if (fboundp 'eword-encode-string)
 649       ;; For Semi-Gnus.
 650       (defun nnshimbun-mime-encode-string (string)
 651         (mapconcat
 652          #'identity
 653          (split-string (eword-encode-string (nnweb-decode-entities-string string)) "\n")
 654          ""))
 655     ;; For pure Gnus.
 656     (defun nnshimbun-mime-encode-string (string)
 657       (mapconcat
 658        #'identity
 659        (split-string
 660         (with-temp-buffer
 661           (insert (nnweb-decode-entities-string string))
 662           (rfc2047-encode-region (point-min) (point-max))
 663           (buffer-substring (point-min) (point-max)))
 664         "\n")
 665        ""))))
 666
 667 (defun nnshimbun-lapse-seconds (time)
 668   (let ((now (current-time)))
 669     (+ (* (- (car now) (car time)) 65536)
 670        (- (nth 1 now) (nth 1 time)))))
 671
 672 (defun nnshimbun-make-date-string (year month day &optional time)
 673   (format "%02d %s %04d %s +0900"
 674           day
 675           (aref [nil "Jan" "Feb" "Mar" "Apr" "May" "Jun"
 676                      "Jul" "Aug" "Sep" "Oct" "Nov" "Dec"]
 677                 month)
 678           (cond ((< year 69)
 679                  (+ year 2000))
 680                 ((< year 100)
 681                  (+ year 1900))
 682                 ((< year 1000)  ; possible 3-digit years.
 683                  (+ year 1900))
 684                 (t year))
 685           (or time "00:00")))
 686
 687 (if (fboundp 'regexp-opt)
 688     (defalias 'nnshimbun-regexp-opt 'regexp-opt)
 689   (defun nnshimbun-regexp-opt (strings &optional paren)
 690     "Return a regexp to match a string in STRINGS.
 691 Each string should be unique in STRINGS and should not contain any regexps,
 692 quoted or not.  If optional PAREN is non-nil, ensure that the returned regexp
 693 is enclosed by at least one regexp grouping construct."
 694     (let ((open-paren (if paren "\\(" "")) (close-paren (if paren "\\)" "")))
 695       (concat open-paren (mapconcat 'regexp-quote strings "\\|") close-paren))))
 696
 697
 698 ;; Fast fill-region function
 699
 700 (defvar nnshimbun-fill-column (min 80 (- (frame-width) 4)))
 701
 702 (defconst nnshimbun-kinsoku-bol-list
 703   (funcall
 704    (if (fboundp 'string-to-char-list)
 705        'string-to-char-list
 706      'string-to-list) "\
 707 !)-_~}]:;',.?\e$B!"!#!$!%!&!'!(!)!*!+!,!-!.!/!0!1!2!3!4!5!6!7!8!9!:!;!<!=!>!?!@!A\e(B\
 708 \e$B!B!C!D!E!G!I!K!M!O!Q!S!U!W!Y![!k!l!m!n$!$#$%$'$)$C$c$e$g$n%!%#%%%'%)%C%c%e%g%n%u%v\e(B"))
 709
 710 (defconst nnshimbun-kinsoku-eol-list
 711   (funcall
 712    (if (fboundp 'string-to-char-list)
 713        'string-to-char-list
 714      'string-to-list)
 715    "({[`\e$B!F!H!J!L!N!P!R!T!V!X!Z!k!l!m!x\e(B"))
 716
 717 (defun nnshimbun-fill-line ()
 718   (forward-line 0)
 719   (let ((top (point)) chr)
 720     (while (if (>= (move-to-column nnshimbun-fill-column)
 721                    nnshimbun-fill-column)
 722                (not (progn
 723                       (if (memq (preceding-char) nnshimbun-kinsoku-eol-list)
 724                           (progn
 725                             (backward-char)
 726                             (while (memq (preceding-char) nnshimbun-kinsoku-eol-list)
 727                               (backward-char))
 728                             (insert "\n"))
 729                         (while (memq (setq chr (following-char)) nnshimbun-kinsoku-bol-list)
 730                           (forward-char))
 731                         (if (looking-at "\\s-+")
 732                             (or (eolp) (delete-region (point) (match-end 0)))
 733                           (or (> (char-width chr) 1)
 734                               (re-search-backward "\\<" top t)
 735                               (end-of-line)))
 736                         (or (eolp) (insert "\n"))))))
 737       (setq top (point))))
 738   (forward-line 1)
 739   (not (eobp)))
 740
 741 (defsubst nnshimbun-shallow-rendering ()
 742   (goto-char (point-min))
 743   (while (search-forward "<p>" nil t)
 744     (insert "\n\n"))
 745   (goto-char (point-min))
 746   (while (search-forward "<br>" nil t)
 747     (insert "\n"))
 748   (nnweb-remove-markup)
 749   (nnweb-decode-entities)
 750   (goto-char (point-min))
 751   (while (nnshimbun-fill-line))
 752   (goto-char (point-min))
 753   (when (skip-chars-forward "\n")
 754     (delete-region (point-min) (point)))
 755   (while (search-forward "\n\n" nil t)
 756     (let ((p (point)))
 757       (when (skip-chars-forward "\n")
 758         (delete-region p (point)))))
 759   (goto-char (point-max))
 760   (when (skip-chars-backward "\n")
 761     (delete-region (point) (point-max)))
 762   (insert "\n"))
 763
 764 (defun nnshimbun-make-text-or-html-contents (header &optional x-face)
 765   (let ((case-fold-search t) (html t) (start))
 766     (when (and (re-search-forward nnshimbun-contents-start nil t)
 767                (setq start (point))
 768                (re-search-forward nnshimbun-contents-end nil t))
 769       (delete-region (match-beginning 0) (point-max))
 770       (delete-region (point-min) start)
 771       (nnshimbun-shallow-rendering)
 772       (setq html nil))
 773     (goto-char (point-min))
 774     (nnshimbun-insert-header header)
 775     (insert "Content-Type: " (if html "text/html" "text/plain")
 776             "; charset=ISO-2022-JP\nMIME-Version: 1.0\n")
 777     (when x-face
 778       (insert x-face)
 779       (unless (bolp)
 780         (insert "\n")))
 781     (insert "\n")
 782     (encode-coding-string (buffer-string)
 783                           (mime-charset-to-coding-system "ISO-2022-JP"))))
 784
 785 (defun nnshimbun-make-html-contents (header &optional x-face)
 786   (let (start)
 787     (when (and (re-search-forward nnshimbun-contents-start nil t)
 788                (setq start (point))
 789                (re-search-forward nnshimbun-contents-end nil t))
 790       (delete-region (match-beginning 0) (point-max))
 791       (delete-region (point-min) start))
 792     (goto-char (point-min))
 793     (nnshimbun-insert-header header)
 794     (insert "Content-Type: text/html; charset=ISO-2022-JP\n"
 795             "MIME-Version: 1.0\n")
 796     (when x-face
 797       (insert x-face)
 798       (unless (bolp)
 799         (insert "\n")))
 800     (insert "\n")
 801     (encode-coding-string (buffer-string)
 802                           (mime-charset-to-coding-system "ISO-2022-JP"))))
 803
 804 (defun nnshimbun-make-mhonarc-contents (header &rest args)
 805   (require 'mml)
 806   (if (search-forward "<!--X-Head-End-->" nil t)
 807       (progn
 808         (forward-line 0)
 809         ;; Processing headers.
 810         (save-restriction
 811           (narrow-to-region (point-min) (point))
 812           (nnweb-decode-entities)
 813           (goto-char (point-min))
 814           (while (search-forward "\n<!--X-" nil t)
 815             (replace-match "\n"))
 816           (goto-char (point-min))
 817           (while (search-forward " -->\n" nil t)
 818             (replace-match "\n"))
 819           (goto-char (point-min))
 820           (while (search-forward "\t" nil t)
 821             (replace-match " "))
 822           (goto-char (point-min))
 823           (let (buf refs)
 824             (while (not (eobp))
 825               (cond
 826                ((looking-at "<!--")
 827                 (delete-region (point) (progn (forward-line 1) (point))))
 828                ((looking-at "Subject: +")
 829                 (push (cons 'subject (nnheader-header-value)) buf)
 830                 (delete-region (point) (progn (forward-line 1) (point))))
 831                ((looking-at "From: +")
 832                 (push (cons 'from (nnheader-header-value)) buf)
 833                 (delete-region (point) (progn (forward-line 1) (point))))
 834                ((looking-at "Date: +")
 835                 (push (cons 'date (nnheader-header-value)) buf)
 836                 (delete-region (point) (progn (forward-line 1) (point))))
 837                ((looking-at "Message-Id: +")
 838                 (push (cons 'id (concat "<" (nnheader-header-value) ">")) buf)
 839                 (delete-region (point) (progn (forward-line 1) (point))))
 840                ((looking-at "Reference: +")
 841                 (push (concat "<" (nnheader-header-value) ">") refs)
 842                 (delete-region (point) (progn (forward-line 1) (point))))
 843                ((looking-at "Content-Type: ")
 844                 (unless (search-forward "charset" (gnus-point-at-eol) t)
 845                   (end-of-line)
 846                   (insert "; charset=ISO-2022-JP"))
 847                 (forward-line 1))
 848                (t (forward-line 1))))
 849             (insert "MIME-Version: 1.0\n")
 850             (if refs (push (cons 'references (mapconcat 'identity refs " ")) buf))
 851             (nnshimbun-nov-fix-header nnshimbun-current-group header buf)
 852             (goto-char (point-min))
 853             (nnshimbun-insert-header header))
 854           (goto-char (point-max)))
 855         ;; Processing body.
 856         (save-restriction
 857           (narrow-to-region (point) (point-max))
 858           (delete-region
 859            (point)
 860            (progn
 861              (search-forward "\n<!--X-Body-of-Message-->\n" nil t)
 862              (point)))
 863           (when (search-forward "\n<!--X-Body-of-Message-End-->\n" nil t)
 864             (forward-line -1)
 865             (delete-region (point) (point-max)))
 866           (nnweb-remove-markup)
 867           (nnweb-decode-entities)))
 868     (goto-char (point-min))
 869     (nnshimbun-insert-header header)
 870     (insert "Content-Type: text/html; charset=ISO-2022-JP\nMIME-Version: 1.0\n\n"))
 871   (encode-coding-string (buffer-string)
 872                         (mime-charset-to-coding-system "ISO-2022-JP")))
 873
 874
 875 ;;; www.asahi.com
 876
 877 (defun nnshimbun-asahi-get-headers ()
 878   (when (search-forward "\n<!-- Start of past -->\n" nil t)
 879     (delete-region (point-min) (point))
 880     (when (search-forward "\n<!-- End of past -->\n" nil t)
 881       (forward-line -1)
 882       (delete-region (point) (point-max))
 883       (goto-char (point-min))
 884       (let (headers)
 885         (while (re-search-forward
 886                 "^\e$B"#\e(B<a href=\"\\(\\([0-9][0-9][0-9][0-9]\\)/past/\\([A-z]*[0-9]*\\)\\.html\\)\"> *"
 887                 nil t)
 888           (let ((id (format "<%s%s%%%s>"
 889                             (match-string 2)
 890                             (match-string 3)
 891                             nnshimbun-current-group))
 892                 (url (match-string 1)))
 893             (push (make-full-mail-header
 894                    0
 895                    (nnshimbun-mime-encode-string
 896                     (mapconcat 'identity
 897                                (split-string
 898                                 (buffer-substring
 899                                  (match-end 0)
 900                                  (progn (search-forward "<br>" nil t) (point)))
 901                                 "\\(<[^>]+>\\|\r\\)")
 902                                ""))
 903                    nnshimbun-from-address
 904                    "" id "" 0 0 (concat nnshimbun-url url))
 905                   headers)))
 906         (setq headers (nreverse headers))
 907         (let ((i 0))
 908           (while (and (nth i headers)
 909                       (re-search-forward
 910                        "^\\[\\([0-9][0-9]\\)/\\([0-9][0-9]\\) \\([0-9][0-9]:[0-9][0-9]\\)\\]"
 911                        nil t))
 912             (let ((month (string-to-number (match-string 1)))
 913                   (date (decode-time (current-time))))
 914               (mail-header-set-date
 915                (nth i headers)
 916                (nnshimbun-make-date-string
 917                 (if (and (eq 12 month) (eq 1 (nth 4 date)))
 918                     (1- (nth 5 date))
 919                   (nth 5 date))
 920                 month
 921                 (string-to-number (match-string 2))
 922                 (match-string 3))))
 923             (setq i (1+ i))))
 924         (nreverse headers)))))
 925
 926
 927
 928 ;;; www.sponichi.co.jp
 929
 930 (defun nnshimbun-sponichi-get-headers ()
 931   (when (search-forward "\e$B%K%e!<%9%$%s%G%C%/%9\e(B" nil t)
 932     (delete-region (point-min) (point))
 933     (when (search-forward "\e$B%"%I%?%0\e(B" nil t)
 934       (forward-line 2)
 935       (delete-region (point) (point-max))
 936       (goto-char (point-min))
 937       (let ((case-fold-search t) headers)
 938         (while (re-search-forward
 939                 "^<a href=\"/\\(\\([A-z]*\\)/kiji/\\([0-9][0-9][0-9][0-9]\\)/\\([0-9][0-9]\\)/\\([0-9][0-9]\\)/\\([0-9][0-9]\\)\\.html\\)\">"
 940                 nil t)
 941           (let ((url (match-string 1))
 942                 (id (format "<%s%s%s%s%%%s>"
 943                             (match-string 3)
 944                             (match-string 4)
 945                             (match-string 5)
 946                             (match-string 6)
 947                             nnshimbun-current-group))
 948                 (date (nnshimbun-make-date-string
 949                        (string-to-number (match-string 3))
 950                        (string-to-number (match-string 4))
 951                        (string-to-number (match-string 5)))))
 952             (push (make-full-mail-header
 953                    0
 954                    (nnshimbun-mime-encode-string
 955                     (mapconcat 'identity
 956                                (split-string
 957                                 (buffer-substring
 958                                  (match-end 0)
 959                                  (progn (search-forward "<br>" nil t) (point)))
 960                                 "<[^>]+>")
 961                                ""))
 962                    nnshimbun-from-address
 963                    date id "" 0 0 (concat nnshimbun-url url))
 964                   headers)))
 965         headers))))
 966
 967
 968
 969 ;;; CNET Japan
 970
 971 (defun nnshimbun-cnet-get-headers ()
 972   (let ((case-fold-search t) headers)
 973     (while (search-forward "\n<!--*****\e$B8+=P$7\e(B*****-->\n" nil t)
 974       (let ((subject (buffer-substring (point) (gnus-point-at-eol)))
 975             (point (point)))
 976         (forward-line -2)
 977         (when (looking-at "<a href=\"/\\(News/\\([0-9][0-9][0-9][0-9]\\)/Item/\\([0-9][0-9]\\([0-9][0-9]\\)\\([0-9][0-9]\\)-[0-9]+\\).html\\)\">")
 978           (let ((url (match-string 1))
 979                 (id  (format "<%s%s%%%s>"
 980                              (match-string 2)
 981                              (match-string 3)
 982                              nnshimbun-current-group))
 983                 (date (nnshimbun-make-date-string
 984                        (string-to-number (match-string 2))
 985                        (string-to-number (match-string 4))
 986                        (string-to-number (match-string 5)))))
 987             (push (make-full-mail-header
 988                    0
 989                    (nnshimbun-mime-encode-string subject)
 990                    nnshimbun-from-address
 991                    date id "" 0 0 (concat nnshimbun-url url))
 992                   headers)))
 993         (goto-char point)))
 994     headers))
 995
 996
 997
 998 ;;; Wired
 999
1000 (defun nnshimbun-wired-get-all-headers ()
1001   (save-excursion
1002     (set-buffer nnshimbun-buffer)
1003     (let ((group-header-alist (mapcar (lambda (g) (cons g nil)) nnshimbun-groups))
1004           (case-fold-search t)
1005           (regexp (format
1006                    "<a href=\"\\(%s\\|/\\)\\(news/news/\\(%s\\)/story/\\(\\([0-9][0-9][0-9][0-9]\\)\\([0-9][0-9]\\)\\([0-9][0-9]\\)[0-9]+\\)\\.html\\)\"><b>"
1007                    (regexp-quote nnshimbun-url)
1008                    (nnshimbun-regexp-opt nnshimbun-groups))))
1009       (dolist (xover (list (concat nnshimbun-url "news/news/index.html")
1010                            (concat nnshimbun-url "news/news/last_seven.html")))
1011         (erase-buffer)
1012         (nnshimbun-retrieve-url xover t)
1013         (goto-char (point-min))
1014         (while (re-search-forward regexp nil t)
1015           (let* ((url   (concat nnshimbun-url (match-string 2)))
1016                  (group (downcase (match-string 3)))
1017                  (id    (format "<%s%%%s>" (match-string 4) group))
1018                  (date  (nnshimbun-make-date-string
1019                          (string-to-number (match-string 5))
1020                          (string-to-number (match-string 6))
1021                          (string-to-number (match-string 7))))
1022                  (header (make-full-mail-header
1023                           0
1024                           (nnshimbun-mime-encode-string
1025                            (mapconcat 'identity
1026                                       (split-string
1027                                        (buffer-substring
1028                                         (match-end 0)
1029                                         (progn (search-forward "</b>" nil t) (point)))
1030                                        "<[^>]+>")
1031                                       ""))
1032                           nnshimbun-from-address
1033                           date id "" 0 0 url))
1034                  (x (assoc group group-header-alist)))
1035             (setcdr x (cons header (cdr x))))))
1036       group-header-alist)))
1037
1038
1039
1040 ;;; www.yomiuri.co.jp
1041
1042 (defun nnshimbun-yomiuri-get-all-headers ()
1043   (save-excursion
1044     (set-buffer nnshimbun-buffer)
1045     (erase-buffer)
1046     (nnshimbun-retrieve-url (eval nnshimbun-index-url) t)
1047     (let ((case-fold-search t)
1048           (group-header-alist (mapcar (lambda (g) (cons g nil)) nnshimbun-groups)))
1049       (dolist (group nnshimbun-groups)
1050         (let (start)
1051           (goto-char (point-min))
1052           (when (and (search-forward (format "\n<!-- /news/%s=start -->\n" group) nil t)
1053                      (setq start (point))
1054                      (search-forward (format "\n<!-- /news/%s=end -->\n" group) nil t))
1055             (forward-line -1)
1056             (save-restriction
1057               (narrow-to-region start (point))
1058               (goto-char start)
1059               (while (re-search-forward
1060                       "<a href=\"/\\([0-9]+\\)/\\(\\(\\([0-9][0-9][0-9][0-9]\\)\\([0-9][0-9]\\)\\([0-9][0-9]\\)[A-z0-9]+\\)\\.htm\\)\"[^>]*>"
1061                       nil t)
1062                 (let ((url   (concat (match-string 1) "a/" (match-string 2)))
1063                       (id    (format "<%s%s%%%s>"
1064                                      (match-string 1)
1065                                      (match-string 3)
1066                                      group))
1067                       (year  (string-to-number (match-string 4)))
1068                       (month (string-to-number (match-string 5)))
1069                       (day   (string-to-number (match-string 6)))
1070                       (subject (mapconcat
1071                                 'identity
1072                                 (split-string
1073                                  (buffer-substring
1074                                   (match-end 0)
1075                                   (progn (search-forward "<br>" nil t) (point)))
1076                                  "<[^>]+>")
1077                                 ""))
1078                       date x)
1079                   (when (string-match "^\e$B"!\e(B" subject)
1080                     (setq subject (substring subject (match-end 0))))
1081                   (if (string-match "(\\([0-9][0-9]:[0-9][0-9]\\))$" subject)
1082                       (setq date (nnshimbun-make-date-string
1083                                   year month day (match-string 1 subject))
1084                             subject (substring subject 0 (match-beginning 0)))
1085                     (setq date (nnshimbun-make-date-string year month day)))
1086                   (setcdr (setq x (assoc group group-header-alist))
1087                           (cons (make-full-mail-header
1088                                  0
1089                                  (nnshimbun-mime-encode-string subject)
1090                                  nnshimbun-from-address
1091                                  date id "" 0 0 (concat nnshimbun-url url))
1092                                 (cdr x)))))))))
1093       group-header-alist)))
1094
1095
1096
1097 ;;; Zdnet Japan
1098
1099 (defun nnshimbun-zdnet-get-headers ()
1100   (let ((case-fold-search t) headers)
1101     (goto-char (point-min))
1102     (let (start)
1103       (while (and (search-forward "<!--" nil t)
1104                   (setq start (- (point) 4))
1105                   (search-forward "-->" nil t))
1106         (delete-region start (point))))
1107     (goto-char (point-min))
1108     (while (re-search-forward
1109             "<a href=\"\\(/news/\\)?\\(\\([0-9][0-9]\\)\\([0-9][0-9]\\)/\\([0-9][0-9]\\)/\\([^\\.]+\\).html\\)\"><font size=\"4\"><strong>"
1110             nil t)
1111       (let ((year  (+ 2000 (string-to-number (match-string 3))))
1112             (month (string-to-number (match-string 4)))
1113             (day   (string-to-number (match-string 5)))
1114             (id    (format "<%s%s%s%s%%%s>"
1115                            (match-string 3)
1116                            (match-string 4)
1117                            (match-string 5)
1118                            (match-string 6)
1119                            nnshimbun-current-group))
1120             (url (match-string 2)))
1121         (push (make-full-mail-header
1122                0
1123                (nnshimbun-mime-encode-string
1124                 (mapconcat 'identity
1125                            (split-string
1126                             (buffer-substring
1127                              (match-end 0)
1128                              (progn (search-forward "</a>" nil t) (point)))
1129                             "<[^>]+>")
1130                            ""))
1131                nnshimbun-from-address
1132                (nnshimbun-make-date-string year month day)
1133                id  "" 0 0 (concat nnshimbun-url url))
1134               headers)))
1135     (nreverse headers)))
1136
1137
1138
1139 ;;; MLs on www.mew.org
1140
1141 (defmacro nnshimbun-mew-concat-url (url)
1142   `(concat nnshimbun-url
1143            (nth 1 (assoc nnshimbun-current-group nnshimbun-mew-groups))
1144            "/"
1145            ,url))
1146
1147 (defmacro nnshimbun-mew-reverse-order-p ()
1148   `(nth 2 (assoc nnshimbun-current-group nnshimbun-mew-groups)))
1149
1150 (defmacro nnshimbun-mew-spew-p ()
1151   `(nth 3 (assoc nnshimbun-current-group nnshimbun-mew-groups)))
1152
1153 (defsubst nnshimbun-mew-retrieve-xover (aux)
1154   (erase-buffer)
1155   (nnshimbun-retrieve-url
1156    (nnshimbun-mew-concat-url (if (= aux 1) "index.html" (format "mail%d.html" aux)))
1157    t))
1158
1159 (defconst nnshimbun-mew-regexp "<A[^>]*HREF=\"\\(msg\\([0-9]+\\).html\\)\">\\([^<]+\\)<")
1160
1161 (defmacro nnshimbun-mew-extract-header-values ()
1162   `(progn
1163      (setq url (nnshimbun-mew-concat-url (match-string 1))
1164            id (format "<%05d%%%s>"
1165                       (1- (string-to-number (match-string 2)))
1166                       nnshimbun-current-group)
1167            subject (match-string 3))
1168      (forward-line 1)
1169      (if (nnshimbun-search-id nnshimbun-current-group id)
1170          (throw 'stop headers)
1171        (push (make-full-mail-header
1172               0
1173               (nnshimbun-mime-encode-string subject)
1174               (if (looking-at "<EM>\\([^<]+\\)<")
1175                   (nnshimbun-mime-encode-string (match-string 1))
1176                 "")
1177               "" id "" 0 0 url)
1178              headers))))
1179
1180 (eval-and-compile
1181   (if (fboundp 'mime-entity-fetch-field)
1182       ;; For Semi-Gnus.
1183       (defmacro nnshimbun-mew-mail-header-subject (header)
1184         `(mime-entity-fetch-field ,header 'Subject))
1185     ;; For pure Gnus.
1186     (defalias 'nnshimbun-mew-mail-header-subject 'mail-header-subject)))
1187
1188 (defun nnshimbun-mew-get-headers ()
1189   (if (nnshimbun-mew-spew-p)
1190       (let ((headers (nnshimbun-mew-get-headers-1)))
1191         (erase-buffer)
1192         (insert-buffer-substring (nnshimbun-open-nov nnshimbun-current-group))
1193         (delq nil
1194               (mapcar
1195                (lambda (header)
1196                  (goto-char (point-min))
1197                  (let ((subject (nnshimbun-mew-mail-header-subject header))
1198                        (found))
1199                    (while (and (not found)
1200                                (search-forward subject nil t))
1201                      (if (not (and (search-backward "\t" nil t)
1202                                    (not (search-backward "\t" (gnus-point-at-bol) t))))
1203                          (forward-line 1)
1204                        (setq found t)))
1205                    (if found
1206                        nil
1207                      (goto-char (point-max))
1208                      (nnheader-insert-nov header)
1209                      header)))
1210                headers)))
1211     (nnshimbun-mew-get-headers-1)))
1212
1213 (defun nnshimbun-mew-get-headers-1 ()
1214   (let (headers)
1215     (when (re-search-forward
1216            "<A[^>]*HREF=\"mail\\([0-9]+\\)\\.html\">\\[?Last Page\\]?</A>" nil t)
1217       (let ((limit (string-to-number (match-string 1))))
1218         (catch 'stop
1219           (if (nnshimbun-mew-reverse-order-p)
1220               (let ((aux 1))
1221                 (while (let (id url subject)
1222                          (while (re-search-forward nnshimbun-mew-regexp nil t)
1223                            (nnshimbun-mew-extract-header-values))
1224                          (< aux limit))
1225                   (nnshimbun-mew-retrieve-xover (setq aux (1+ aux)))))
1226             (while (> limit 0)
1227               (nnshimbun-mew-retrieve-xover limit)
1228               (setq limit (1- limit))
1229               (let (id url subject)
1230                 (goto-char (point-max))
1231                 (while (re-search-backward nnshimbun-mew-regexp nil t)
1232                   (nnshimbun-mew-extract-header-values)
1233                   (forward-line -2)))))
1234           headers)))))
1235
1236
1237
1238 ;;; MLs on www.xemacs.org
1239
1240 (defmacro nnshimbun-xemacs-concat-url (url)
1241   `(concat nnshimbun-url nnshimbun-current-group "/" ,url))
1242
1243 (defun nnshimbun-xemacs-get-headers ()
1244   (let (headers auxs aux)
1245     (catch 'stop
1246       (while (re-search-forward
1247               (concat "<A HREF=\"/list-archives/" nnshimbun-current-group
1248                       "/\\([12][0-9][0-9][0-9][0-1][0-9]\\)/\">\\[Index\\]")
1249               nil t)
1250         (setq auxs (append auxs (list (match-string 1)))))
1251       (while auxs
1252         (erase-buffer)
1253         (nnshimbun-retrieve-url
1254          (nnshimbun-xemacs-concat-url (concat (setq aux (car auxs)) "/")))
1255         (let (id url subject)
1256           (goto-char (point-max))
1257           (while (re-search-backward
1258                   "<A[^>]*HREF=\"\\(msg\\([0-9]+\\).html\\)\">\\([^<]+\\)<"
1259                   nil t)
1260             (setq url (nnshimbun-xemacs-concat-url
1261                        (concat aux "/" (match-string 1)))
1262                   id (format "<%s%05d%%%s>"
1263                              aux
1264                              (string-to-number (match-string 2))
1265                              nnshimbun-current-group)
1266                   subject (match-string 3))
1267             (forward-line 1)
1268             (if (nnshimbun-search-id nnshimbun-current-group id)
1269                 (throw 'stop headers)
1270               (push (make-full-mail-header
1271                      0
1272                      (nnshimbun-mime-encode-string subject)
1273                      (if (looking-at "<td><em>\\([^<]+\\)<")
1274                          (match-string 1)
1275                        "")
1276                      "" id "" 0 0 url)
1277                     headers))
1278             (message "%s" id)
1279             (forward-line -2)))
1280         (setq auxs (cdr auxs))))
1281     headers))
1282
1283 ;;; MLs on www.jp.netbsd.org
1284
1285 (defun nnshimbun-netbsd-get-headers ()
1286   (let ((case-fold-search t) headers months)
1287     (goto-char (point-min))
1288     (while (re-search-forward "<A HREF=\"\\([0-9]+\\)/\\(threads.html\\)?\">" nil t)
1289       (push (match-string 1) months))
1290     (setq months (nreverse months))
1291     (catch 'exit
1292       (dolist (month months)
1293         (erase-buffer)
1294         (nnshimbun-retrieve-url
1295          (format "%s%s/%s/maillist.html" nnshimbun-url nnshimbun-current-group month)
1296          t)
1297         (let (id url subject)
1298           (while (re-search-forward
1299                   "<A[^>]*HREF=\"\\(msg\\([0-9]+\\)\\.html\\)\">\\([^<]+\\)</A>"
1300                   nil t)
1301             (setq url (format "%s%s/%s/%s"
1302                               nnshimbun-url
1303                               nnshimbun-current-group
1304                               month
1305                               (match-string 1))
1306                   id (format "<%s%05d%%%s>"
1307                              month
1308                              (string-to-number (match-string 2))
1309                              nnshimbun-current-group)
1310                   subject (match-string 3))
1311             (if (nnshimbun-search-id nnshimbun-current-group id)
1312                 (throw 'exit headers)
1313               (push (make-full-mail-header
1314                      0
1315                      (nnshimbun-mime-encode-string subject)
1316                      (if (looking-at "</STRONG> *<EM>\\([^<]+\\)<")
1317                          (nnshimbun-mime-encode-string (match-string 1))
1318                        "")
1319                      "" id "" 0 0 url)
1320                     headers)))))
1321       headers)))
1322
1323 (provide 'nnshimbun)
1324 ;;; nnshimbun.el ends here.