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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 (eval-when-compile (require 'gnus-clfns))
  37 (eval-when-compile (require 'static))
  38
  39 (require 'nnheader)
  40 (require 'nnmail)
  41 (require 'nnoo)
  42 (require 'gnus-bcklg)
  43 (eval-when-compile (ignore-errors (require 'nnweb)))
  44 ;; Report failure to find w3 at load time if appropriate.
  45 (eval '(require 'nnweb))
  46 (require 'mcharset)
  47
  48
  49 (nnoo-declare nnshimbun)
  50
  51 (defvar nnshimbun-check-interval 300)
  52
  53 (defconst nnshimbun-mew-groups
  54   '(("meadow-develop" "meadow-develop" nil t)
  55     ("meadow-users-jp" "meadow-users-jp")
  56     ("mule-win32" "mule-win32")
  57     ("mew-win32" "mew-win32")
  58     ("mew-dist" "mew-dist/3300" t)
  59     ("mgp-users-jp" "mgp-users-jp/A" t t)))
  60
  61 (defvar nnshimbun-type-definition
  62   `(("asahi"
  63      (url . "http://spin.asahi.com/")
  64      (groups "national" "business" "politics" "international" "sports" "personal" "feneral")
  65      (coding-system  . ,(static-if (boundp 'MULE) '*sjis* 'shift_jis))
  66      (generate-nov   . nnshimbun-generate-nov-for-each-group)
  67      (get-headers    . nnshimbun-asahi-get-headers)
  68      (index-url      . (format "%sp%s.html" nnshimbun-url nnshimbun-current-group))
  69      (from-address   . "webmaster@www.asahi.com")
  70      (make-contents  . nnshimbun-make-text-or-html-contents)
  71      (contents-start . "\n<!-- Start of kiji -->\n")
  72      (contents-end   . "\n<!-- End of kiji -->\n"))
  73     ("sponichi"
  74      (url . "http://www.sponichi.co.jp/")
  75      (groups "baseball" "soccer" "usa" "others" "society" "entertainment" "horseracing")
  76      (coding-system  . ,(static-if (boundp 'MULE) '*sjis* 'shift_jis))
  77      (generate-nov   . nnshimbun-generate-nov-for-each-group)
  78      (get-headers    . nnshimbun-sponichi-get-headers)
  79      (index-url      . (format "%s%s/index.html" nnshimbun-url nnshimbun-current-group))
  80      (from-address   . "webmaster@www.sponichi.co.jp")
  81      (make-contents  . nnshimbun-make-text-or-html-contents)
  82      (contents-start . "\n<span class=\"text\">\e$B!!\e(B")
  83      (contents-end   . "\n"))
  84     ("cnet"
  85      (url . "http://cnet.sphere.ne.jp/")
  86      (groups "comp")
  87      (coding-system  . ,(static-if (boundp 'MULE) '*sjis* 'shift_jis))
  88      (generate-nov   . nnshimbun-generate-nov-for-each-group)
  89      (get-headers    . nnshimbun-cnet-get-headers)
  90      (index-url      . (format "%s/News/Oneweek/" nnshimbun-url))
  91      (from-address   . "cnet@sphere.ad.jp")
  92      (make-contents  . nnshimbun-make-html-contents)
  93      (contents-start . "\n<!--KIJI-->\n")
  94      (contents-end   . "\n<!--/KIJI-->\n"))
  95     ("wired"
  96      (url . "http://www.hotwired.co.jp/")
  97      (groups "business" "culture" "technology")
  98      (coding-system  . ,(static-if (boundp 'MULE) '*euc-japan* 'euc-jp))
  99      (generate-nov   . nnshimbun-generate-nov-for-all-groups)
 100      (get-headers    . nnshimbun-wired-get-all-headers)
 101      (index-url)
 102      (from-address   . "webmaster@www.hotwired.co.jp")
 103      (make-contents  . nnshimbun-make-html-contents)
 104      (contents-start . "\n<!-- START_OF_BODY -->\n")
 105      (contents-end   . "\n<!-- END_OF_BODY -->\n"))
 106     ("yomiuri"
 107      (url . "http://www.yomiuri.co.jp/")
 108      (groups "shakai" "sports" "seiji" "keizai" "kokusai" "fuho")
 109      (coding-system  . ,(static-if (boundp 'MULE) '*sjis* 'shift_jis))
 110      (generate-nov   . nnshimbun-generate-nov-for-all-groups)
 111      (get-headers    . nnshimbun-yomiuri-get-all-headers)
 112      (index-url      . (concat nnshimbun-url "main.htm"))
 113      (from-address   . "webmaster@www.yomiuri.co.jp")
 114      (make-contents  . nnshimbun-make-text-or-html-contents)
 115      (contents-start . "\n<!--  honbun start  -->\n")
 116      (contents-end   . "\n<!--  honbun end  -->\n"))
 117     ("zdnet"
 118      (url . "http://www.zdnet.co.jp/news/")
 119      (groups "comp")
 120      (coding-system  . ,(static-if (boundp 'MULE) '*sjis* 'shift_jis))
 121      (generate-nov   . nnshimbun-generate-nov-for-each-group)
 122      (get-headers    . nnshimbun-zdnet-get-headers)
 123      (index-url      . nnshimbun-url)
 124      (from-address   . "zdnn@softbank.co.jp")
 125      (make-contents  . nnshimbun-make-html-contents)
 126      (contents-start . "\\(<!--BODY-->\\|<!--DATE-->\\)")
 127      (contents-end   . "\\(<!--BODYEND-->\\|<!--BYLINEEND-->\\)"))
 128     ("mew"
 129      (url . "http://www.mew.org/archive/")
 130      (groups ,@(mapcar #'car nnshimbun-mew-groups))
 131      (coding-system . ,(static-if (boundp 'MULE) '*iso-2022-jp* 'iso-2022-jp))
 132      (generate-nov  . nnshimbun-generate-nov-for-each-group)
 133      (get-headers   . nnshimbun-mew-get-headers)
 134      (index-url     . (nnshimbun-mew-concat-url "index.html"))
 135      (make-contents . nnshimbun-make-mhonarc-contents))
 136     ("xemacs"
 137      (url . "http://list-archives.xemacs.org/")
 138      (groups "xemacs-announce" "xemacs-beta-ja" "xemacs-beta"
 139              "xemacs-build-reports" "xemacs-cvs" "xemacs-mule"
 140              "xemacs-nt" "xemacs-patches" "xemacs-users-ja" "xemacs")
 141      (coding-system . ,(static-if (boundp 'MULE) '*euc-japan* 'euc-jp))
 142      (generate-nov  . nnshimbun-generate-nov-for-each-group)
 143      (get-headers   . nnshimbun-xemacs-get-headers)
 144      (index-url     . (nnshimbun-xemacs-concat-url nil))
 145      (make-contents . nnshimbun-make-mhonarc-contents))
 146     ("netbsd"
 147      (url . "http://www.jp.netbsd.org/ja/JP/ml/")
 148      (groups "announce-ja" "junk-ja" "tech-misc-ja" "tech-pkg-ja"
 149              "port-arm32-ja" "port-hpcmips-ja" "port-mac68k-ja"
 150              "port-mips-ja" "port-powerpc-ja" "hpcmips-changes-ja"
 151              "members-ja" "admin-ja" "www-changes-ja")
 152      (coding-system  . ,(static-if (boundp 'MULE) '*iso-2022-jp* 'iso-2022-jp))
 153      (generate-nov   . nnshimbun-generate-nov-for-each-group)
 154      (get-headers    . nnshimbun-netbsd-get-headers)
 155      (index-url      . (format "%s%s/index.html" nnshimbun-url nnshimbun-current-group))
 156      (make-contents  . nnshimbun-make-mhonarc-contents))
 157     ("bbdb-ml"
 158      (url . "http://www.rc.tutrp.tut.ac.jp/bbdb-ml/")
 159      (groups "bbdb-ml")
 160      (coding-system . ,(static-if (boundp 'MULE) '*iso-2022-jp* 'iso-2022-jp))
 161      (generate-nov . nnshimbun-generate-nov-for-each-group)
 162      (get-headers . nnshimbun-fml-get-headers)
 163      (index-url . nnshimbun-url)
 164      (make-contents . nnshimbun-make-fml-contents))
 165     ))
 166
 167 (defvar nnshimbun-x-face-alist
 168   '(("default" .
 169      (("default" .
 170        "X-Face: Ygq$6P.,%Xt$U)DS)cRY@k$VkW!7(X'X'?U{{osjjFG\"E]hND;SPJ-J?O?R|a?L
 171         g2$0rVng=O3Lt}?~IId8Jj&vP^3*o=LKUyk(`t%0c!;t6REk=JbpsEn9MrN7gZ%"))))
 172   "Alist of server vs. alist of group vs. X-Face field.  It looks like:
 173
 174 \((\"asahi\" . ((\"national\" . \"X-face: ***\")
 175              (\"business\" . \"X-Face: ***\")
 176                 ;;
 177                 ;;
 178              (\"default\" . \"X-face: ***\")))
 179  (\"sponichi\" . ((\"baseball\" . \"X-face: ***\")
 180                 (\"soccer\" . \"X-Face: ***\")
 181                 ;;
 182                 ;;
 183                 (\"default\" . \"X-face: ***\")))
 184                 ;;
 185  (\"default\" . ((\"default\" . \"X-face: ***\")))")
 186
 187 (defvoo nnshimbun-directory (nnheader-concat gnus-directory "shimbun/")
 188   "Where nnshimbun will save its files.")
 189
 190 (defvoo nnshimbun-nov-is-evil nil
 191   "*Non-nil means that nnshimbun will never retrieve NOV headers.")
 192
 193 (defvoo nnshimbun-nov-file-name ".overview")
 194
 195 (defvoo nnshimbun-pre-fetch-article nil
 196   "*Non nil means that nnshimbun fetch unread articles when scanning groups.")
 197
 198 ;; set by nnshimbun-possibly-change-group
 199 (defvoo nnshimbun-buffer nil)
 200 (defvoo nnshimbun-current-directory nil)
 201 (defvoo nnshimbun-current-group nil)
 202
 203 ;; set by nnshimbun-open-server
 204 (defvoo nnshimbun-url nil)
 205 (defvoo nnshimbun-coding-system nil)
 206 (defvoo nnshimbun-groups nil)
 207 (defvoo nnshimbun-generate-nov nil)
 208 (defvoo nnshimbun-get-headers nil)
 209 (defvoo nnshimbun-index-url nil)
 210 (defvoo nnshimbun-from-address nil)
 211 (defvoo nnshimbun-make-contents nil)
 212 (defvoo nnshimbun-contents-start nil)
 213 (defvoo nnshimbun-contents-end nil)
 214 (defvoo nnshimbun-server-directory nil)
 215
 216 (defvoo nnshimbun-status-string "")
 217 (defvoo nnshimbun-nov-last-check nil)
 218 (defvoo nnshimbun-nov-buffer-alist nil)
 219 (defvoo nnshimbun-nov-buffer-file-name nil)
 220
 221 (defvoo nnshimbun-keep-backlog 300)
 222 (defvoo nnshimbun-backlog-articles nil)
 223 (defvoo nnshimbun-backlog-hashtb nil)
 224
 225 (defconst nnshimbun-meta-content-type-charset-regexp
 226   (eval-when-compile
 227     (concat "<meta[ \t]+http-equiv=\"?Content-type\"?[ \t]+content=\"\\([^;]+\\)"
 228             ";[ \t]*charset=\"?\\([^\"]+\\)\"?"
 229             ">"))
 230   "Regexp used in parsing `<META HTTP-EQUIV=\"Content-Type\" content=\"...;charset=...\">
 231 for a charset indication")
 232
 233 (defconst nnshimbun-meta-charset-content-type-regexp
 234   (eval-when-compile
 235     (concat "<meta[ \t]+content=\"\\([^;]+\\)"
 236             ";[ \t]*charset=\"?\\([^\"]+\\)\"?"
 237             "[ \t]+http-equiv=\"?Content-type\"?>"))
 238   "Regexp used in parsing `<META content=\"...;charset=...\" HTTP-EQUIV=\"Content-Type\">
 239 for a charset indication")
 240
 241
 242
 243 ;;; backlog
 244 (defmacro nnshimbun-backlog (&rest form)
 245   `(let ((gnus-keep-backlog nnshimbun-keep-backlog)
 246          (gnus-backlog-buffer (format " *nnshimbun backlog %s*" (nnoo-current-server 'nnshimbun)))
 247          (gnus-backlog-articles nnshimbun-backlog-articles)
 248          (gnus-backlog-hashtb nnshimbun-backlog-hashtb))
 249      (unwind-protect
 250          (progn ,@form)
 251        (setq nnshimbun-backlog-articles gnus-backlog-articles
 252              nnshimbun-backlog-hashtb gnus-backlog-hashtb))))
 253 (put 'nnshimbun-backlog 'lisp-indent-function 0)
 254 (put 'nnshimbun-backlog 'edebug-form-spec '(form body))
 255
 256
 257
 258 ;;; Interface Functions
 259 (nnoo-define-basics nnshimbun)
 260
 261 (deffoo nnshimbun-open-server (server &optional defs)
 262   ;; Set default values.
 263   (dolist (default (cdr (assoc server nnshimbun-type-definition)))
 264     (let ((symbol (intern (concat "nnshimbun-" (symbol-name (car default))))))
 265       (unless (assq symbol defs)
 266         (push (list symbol (cdr default)) defs))))
 267   ;; Set directory for server working files.
 268   (push (list 'nnshimbun-server-directory
 269               (file-name-as-directory
 270                (expand-file-name server nnshimbun-directory)))
 271         defs)
 272   (nnoo-change-server 'nnshimbun server defs)
 273   (nnshimbun-possibly-change-group nil server)
 274   ;; Make directories.
 275   (unless (file-exists-p nnshimbun-directory)
 276     (ignore-errors (make-directory nnshimbun-directory t)))
 277   (cond
 278    ((not (file-exists-p nnshimbun-directory))
 279     (nnshimbun-close-server)
 280     (nnheader-report 'nnshimbun "Couldn't create directory: %s" nnshimbun-directory))
 281    ((not (file-directory-p (file-truename nnshimbun-directory)))
 282     (nnshimbun-close-server)
 283     (nnheader-report 'nnshimbun "Not a directory: %s" nnshimbun-directory))
 284    (t
 285     (unless (file-exists-p nnshimbun-server-directory)
 286       (ignore-errors (make-directory nnshimbun-server-directory t)))
 287     (cond
 288      ((not (file-exists-p nnshimbun-server-directory))
 289       (nnshimbun-close-server)
 290       (nnheader-report 'nnshimbun "Couldn't create directory: %s" nnshimbun-server-directory))
 291      ((not (file-directory-p (file-truename nnshimbun-server-directory)))
 292       (nnshimbun-close-server)
 293       (nnheader-report 'nnshimbun "Not a directory: %s" nnshimbun-server-directory))
 294      (t
 295       (nnheader-report 'nnshimbun "Opened server %s using directory %s"
 296                        server nnshimbun-server-directory)
 297       t)))))
 298
 299 (deffoo nnshimbun-close-server (&optional server)
 300   (and (nnshimbun-server-opened server)
 301        (gnus-buffer-live-p nnshimbun-buffer)
 302        (kill-buffer nnshimbun-buffer))
 303   (nnshimbun-backlog (gnus-backlog-shutdown))
 304   (nnshimbun-save-nov)
 305   (nnoo-close-server 'nnshimbun server)
 306   t)
 307
 308 (static-when (boundp 'MULE)
 309   (unless (coding-system-p 'euc-japan)
 310     (copy-coding-system '*euc-japan* 'euc-japan))
 311   (unless (coding-system-p 'shift_jis)
 312     (copy-coding-system '*sjis* 'shift_jis))
 313   (eval-and-compile
 314     (defalias-maybe 'coding-system-category 'get-code-mnemonic)))
 315
 316 (defun nnshimbun-retrieve-url (url &optional no-cache)
 317   "Rertrieve URL contents and insert to current buffer."
 318   (let ((buf (current-buffer))
 319         (url-working-buffer url-working-buffer))
 320     (let ((old-asynch (default-value 'url-be-asynchronous))
 321           (old-caching (default-value 'url-automatic-caching))
 322           (old-mode (default-value 'url-standalone-mode)))
 323       (setq-default url-be-asynchronous nil)
 324       (when no-cache
 325         (setq-default url-automatic-caching nil)
 326         (setq-default url-standalone-mode nil))
 327       (unwind-protect
 328           (let ((coding-system-for-read 'binary)
 329                 (coding-system-for-write 'binary)
 330                 (input-coding-system 'binary)
 331                 (output-coding-system 'binary)
 332                 (default-enable-multibyte-characters nil))
 333             (set-buffer
 334              (setq url-working-buffer
 335                    (cdr (url-retrieve url no-cache))))
 336             (url-uncompress))
 337         (setq-default url-be-asynchronous old-asynch)
 338         (setq-default url-automatic-caching old-caching)
 339         (setq-default url-standalone-mode old-mode)))
 340     (let ((charset
 341            (or url-current-mime-charset
 342                (let ((case-fold-search t))
 343                  (goto-char (point-min))
 344                  (if (or (re-search-forward
 345                           nnshimbun-meta-content-type-charset-regexp nil t)
 346                          (re-search-forward
 347                           nnshimbun-meta-charset-content-type-regexp nil t))
 348                      (buffer-substring-no-properties (match-beginning 2)
 349                                                      (match-end 2)))))))
 350       (decode-coding-region
 351        (point-min) (point-max)
 352        (if charset
 353            (let ((mime-charset-coding-system-alist
 354                   (append '((euc-jp . euc-japan)
 355                             (shift-jis . shift_jis)
 356                             (shift_jis . shift_jis)
 357                             (sjis . shift_jis)
 358                             (x-euc-jp . euc-japan)
 359                             (x-shift-jis . shift_jis)
 360                             (x-shift_jis . shift_jis)
 361                             (x-sjis . shift_jis))
 362                           mime-charset-coding-system-alist)))
 363              (mime-charset-to-coding-system charset))
 364          (let ((default (condition-case nil
 365                             (coding-system-category nnshimbun-coding-system)
 366                           (error nil)))
 367                (candidate (detect-coding-region (point-min) (point-max))))
 368            (unless (listp candidate)
 369              (setq candidate (list candidate)))
 370            (catch 'coding
 371              (dolist (coding candidate)
 372                (if (eq default (coding-system-category coding))
 373                    (throw 'coding coding)))
 374              (if (eq (coding-system-category 'binary)
 375                      (coding-system-category (car candidate)))
 376                  nnshimbun-coding-system
 377                (car candidate)))))))
 378     (set-buffer-multibyte t)
 379     (set-buffer buf)
 380     (insert-buffer url-working-buffer)
 381     (kill-buffer url-working-buffer)))
 382
 383 (deffoo nnshimbun-request-article (article &optional group server to-buffer)
 384   (when (nnshimbun-possibly-change-group group server)
 385     (if (stringp article)
 386         (setq article (nnshimbun-search-id group article)))
 387     (if (integerp article)
 388         (nnshimbun-request-article-1 article group server to-buffer)
 389       (nnheader-report 'nnml "Couldn't retrieve article: %s" (prin1-to-string article))
 390       nil)))
 391
 392 (defsubst nnshimbun-header-xref (x)
 393   (if (and (setq x (mail-header-xref x))
 394            (string-match "^Xref: " x))
 395       (substring x 6)
 396     x))
 397
 398 (defun nnshimbun-request-article-1 (article &optional group server to-buffer)
 399   (if (nnshimbun-backlog
 400         (gnus-backlog-request-article
 401          group article (or to-buffer nntp-server-buffer)))
 402       (cons group article)
 403     (let (header contents)
 404       (when (setq header (save-excursion
 405                            (set-buffer (nnshimbun-open-nov group))
 406                            (and (nnheader-find-nov-line article)
 407                                 (nnheader-parse-nov))))
 408         (let* ((xref (nnshimbun-header-xref header))
 409                (x-faces (cdr (or (assoc (or server
 410                                             (nnoo-current-server 'nnshimbun))
 411                                         nnshimbun-x-face-alist)
 412                                  (assoc "default" nnshimbun-x-face-alist))))
 413                (x-face (cdr (or (assoc group x-faces)
 414                                 (assoc "default" x-faces)))))
 415           (save-excursion
 416             (set-buffer nnshimbun-buffer)
 417             (erase-buffer)
 418             (nnshimbun-retrieve-url xref)
 419             (nnheader-message 6 "nnshimbun: Make contents...")
 420             (goto-char (point-min))
 421             (setq contents (funcall nnshimbun-make-contents header x-face))
 422             (nnheader-message 6 "nnshimbun: Make contents...done"))))
 423       (when contents
 424         (save-excursion
 425           (set-buffer (or to-buffer nntp-server-buffer))
 426           (erase-buffer)
 427           (insert contents)
 428           (nnshimbun-backlog
 429             (gnus-backlog-enter-article group article (current-buffer)))
 430           (nnheader-report 'nnshimbun "Article %s retrieved" (mail-header-id header))
 431           (cons group (mail-header-number header)))))))
 432
 433 (deffoo nnshimbun-request-group (group &optional server dont-check)
 434   (let ((pathname-coding-system 'binary))
 435     (cond
 436      ((not (nnshimbun-possibly-change-group group server))
 437       (nnheader-report 'nnshimbun "Invalid group (no such directory)"))
 438      ((not (file-exists-p nnshimbun-current-directory))
 439       (nnheader-report 'nnshimbun "Directory %s does not exist"
 440                        nnshimbun-current-directory))
 441      ((not (file-directory-p nnshimbun-current-directory))
 442       (nnheader-report 'nnshimbun "%s is not a directory" nnshimbun-current-directory))
 443      (dont-check
 444       (nnheader-report 'nnshimbun "Group %s selected" group)
 445       t)
 446      (t
 447       (let (beg end lines)
 448         (save-excursion
 449           (set-buffer (nnshimbun-open-nov group))
 450           (goto-char (point-min))
 451           (setq beg (ignore-errors (read (current-buffer))))
 452           (goto-char (point-max))
 453           (forward-line -1)
 454           (setq end (ignore-errors (read (current-buffer)))
 455                 lines (count-lines (point-min) (point-max))))
 456         (nnheader-report 'nnshimbunw "Selected group %s" group)
 457         (nnheader-insert "211 %d %d %d %s\n"
 458                          lines (or beg 0) (or end 0) group))))))
 459
 460 (deffoo nnshimbun-request-scan (&optional group server)
 461   (nnshimbun-possibly-change-group group server)
 462   (nnshimbun-generate-nov-database group))
 463
 464 (deffoo nnshimbun-close-group (group &optional server)
 465   (nnshimbun-write-nov group)
 466   t)
 467
 468 (deffoo nnshimbun-request-list (&optional server)
 469   (save-excursion
 470     (set-buffer nntp-server-buffer)
 471     (erase-buffer)
 472     (dolist (group nnshimbun-groups)
 473       (when (nnshimbun-possibly-change-group group server)
 474         (let (beg end)
 475           (save-excursion
 476             (set-buffer (nnshimbun-open-nov group))
 477             (goto-char (point-min))
 478             (setq beg (ignore-errors (read (current-buffer))))
 479             (goto-char (point-max))
 480             (forward-line -1)
 481             (setq end (ignore-errors (read (current-buffer)))))
 482           (insert (format "%s %d %d n\n" group (or end 0) (or beg 0)))))))
 483   t) ; return value
 484
 485 (eval-and-compile
 486   (if (fboundp 'mime-entity-fetch-field)
 487       ;; For Semi-Gnus.
 488       (defun nnshimbun-insert-header (header)
 489         (insert "Subject: " (or (mime-entity-fetch-field header 'Subject) "(none)") "\n"
 490                 "From: " (or (mime-entity-fetch-field header 'From) "(nobody)") "\n"
 491                 "Date: " (or (mail-header-date header) "") "\n"
 492                 "Message-ID: " (or (mail-header-id header) (nnmail-message-id)) "\n")
 493         (let ((refs (mail-header-references header)))
 494           (and refs
 495                (string< "" refs)
 496                (insert "References: " refs "\n")))
 497         (insert "Lines: " (number-to-string (or (mail-header-lines header) 0)) "\n"
 498                 "Xref: " (nnshimbun-header-xref header) "\n"))
 499     ;; For pure Gnus.
 500     (defun nnshimbun-insert-header (header)
 501       (nnheader-insert-header header)
 502       (delete-char -1)
 503       (insert "Xref: " (nnshimbun-header-xref header) "\n"))))
 504
 505 (deffoo nnshimbun-retrieve-headers (articles &optional group server fetch-old)
 506   (when (nnshimbun-possibly-change-group group server)
 507     (if (nnshimbun-retrieve-headers-with-nov articles fetch-old)
 508         'nov
 509       (save-excursion
 510         (set-buffer nntp-server-buffer)
 511         (erase-buffer)
 512         (let (header)
 513           (dolist (art articles)
 514             (if (stringp art)
 515                 (setq art (nnshimbun-search-id group art)))
 516             (if (integerp art)
 517                 (when (setq header
 518                             (save-excursion
 519                               (set-buffer (nnshimbun-open-nov group))
 520                               (and (nnheader-find-nov-line art)
 521                                    (nnheader-parse-nov))))
 522                   (insert (format "220 %d Article retrieved.\n" art))
 523                   (nnshimbun-insert-header header)
 524                   (insert ".\n")
 525                   (delete-region (point) (point-max))))))
 526         'header))))
 527
 528 (defun nnshimbun-retrieve-headers-with-nov (articles &optional fetch-old)
 529   (if (or gnus-nov-is-evil nnshimbun-nov-is-evil)
 530       nil
 531     (let ((nov (expand-file-name nnshimbun-nov-file-name nnshimbun-current-directory)))
 532       (when (file-exists-p nov)
 533         (save-excursion
 534           (set-buffer nntp-server-buffer)
 535           (erase-buffer)
 536           (nnheader-insert-file-contents nov)
 537           (if (and fetch-old (not (numberp fetch-old)))
 538               t                         ; Don't remove anything.
 539             (nnheader-nov-delete-outside-range
 540              (if fetch-old (max 1 (- (car articles) fetch-old))
 541                (car articles))
 542              (car (last articles)))
 543             t))))))
 544
 545
 546
 547 ;;; Nov Database Operations
 548
 549 (defun nnshimbun-generate-nov-database (group)
 550   (prog1 (funcall nnshimbun-generate-nov group)
 551     (nnshimbun-write-nov group)))
 552
 553 (defun nnshimbun-generate-nov-for-each-group (group)
 554   (nnshimbun-possibly-change-group group)
 555   (save-excursion
 556     (set-buffer (nnshimbun-open-nov group))
 557     (let (i)
 558       (goto-char (point-max))
 559       (forward-line -1)
 560       (setq i (or (ignore-errors (read (current-buffer))) 0))
 561       (dolist (header (save-excursion
 562                         (set-buffer nnshimbun-buffer)
 563                         (erase-buffer)
 564                         (nnshimbun-retrieve-url (eval nnshimbun-index-url) t)
 565                         (goto-char (point-min))
 566                         (funcall nnshimbun-get-headers)))
 567         (unless (nnshimbun-search-id group (mail-header-id header))
 568           (mail-header-set-number header (setq i (1+ i)))
 569           (goto-char (point-max))
 570           (nnheader-insert-nov header)
 571           (if nnshimbun-pre-fetch-article
 572               (nnshimbun-request-article-1 i group nil nnshimbun-buffer)))))))
 573
 574 (defun nnshimbun-generate-nov-for-all-groups (&rest args)
 575   (unless (and nnshimbun-nov-last-check
 576                (< (nnshimbun-lapse-seconds nnshimbun-nov-last-check)
 577                   nnshimbun-check-interval))
 578     (save-excursion
 579       (dolist (list (funcall nnshimbun-get-headers))
 580         (let ((group (car list)))
 581           (nnshimbun-possibly-change-group group)
 582           (when (cdr list)
 583             (set-buffer (nnshimbun-open-nov group))
 584             (let (i)
 585               (goto-char (point-max))
 586               (forward-line -1)
 587               (setq i (or (ignore-errors (read (current-buffer))) 0))
 588               (dolist (header (cdr list))
 589                 (unless (nnshimbun-search-id group (mail-header-id header))
 590                   (mail-header-set-number header (setq i (1+ i)))
 591                   (goto-char (point-max))
 592                   (nnheader-insert-nov header)
 593                   (if nnshimbun-pre-fetch-article
 594                       (nnshimbun-request-article-1 i group nil nnshimbun-buffer))))))))
 595       (nnshimbun-save-nov)
 596       (setq nnshimbun-nov-last-check (current-time)))))
 597
 598 (defun nnshimbun-search-id (group id &optional nov)
 599   (save-excursion
 600     (set-buffer (nnshimbun-open-nov group))
 601     (goto-char (point-min))
 602     (let (found)
 603       (while (and (not found)
 604                   (search-forward id nil t)) ; We find the ID.
 605         ;; And the id is in the fourth field.
 606         (if (not (and (search-backward "\t" nil t 4)
 607                       (not (search-backward "\t" (gnus-point-at-bol) t))))
 608             (forward-line 1)
 609           (forward-line 0)
 610           (setq found t)))
 611       (unless found
 612         (goto-char (point-min))
 613         (when (search-forward (concat "X-Nnshimbun-Id: " id) nil t)
 614           (forward-line 0)
 615           (setq found t)))
 616       (if found
 617           (if nov
 618               (nnheader-parse-nov)
 619             ;; We return the article number.
 620             (ignore-errors (read (current-buffer))))))))
 621
 622 (defun nnshimbun-nov-fix-header (group header args)
 623   (save-excursion
 624     (set-buffer (nnshimbun-open-nov group))
 625     (when (nnheader-find-nov-line (mail-header-number header))
 626       (dolist (arg args)
 627         (if (eq (car arg) 'id)
 628             (let ((extra (mail-header-extra header)))
 629               (unless (assq 'X-Nnshimbun-Id extra)
 630                 (mail-header-set-extra
 631                  header
 632                  (cons (cons 'X-Nnshimbun-Id (mail-header-id header))
 633                        extra)))
 634               (mail-header-set-id header (cdr arg)))
 635           (let ((func (intern (concat "mail-header-set-" (symbol-name (car arg))))))
 636             (if (cdr arg) (eval (list func header (cdr arg)))))))
 637       (mail-header-set-xref header (nnshimbun-header-xref header))
 638       (delete-region (point) (progn (forward-line 1) (point)))
 639       (nnheader-insert-nov header))))
 640
 641 (defun nnshimbun-open-nov (group)
 642   (let ((buffer (cdr (assoc group nnshimbun-nov-buffer-alist))))
 643     (if (buffer-live-p buffer)
 644         buffer
 645       (setq buffer (gnus-get-buffer-create
 646                     (format " *nnshimbun overview %s %s*"
 647                             (nnoo-current-server 'nnshimbun) group)))
 648       (save-excursion
 649         (set-buffer buffer)
 650         (set (make-local-variable 'nnshimbun-nov-buffer-file-name)
 651              (expand-file-name
 652               nnshimbun-nov-file-name
 653               (nnmail-group-pathname group nnshimbun-server-directory)))
 654         (erase-buffer)
 655         (when (file-exists-p nnshimbun-nov-buffer-file-name)
 656           (nnheader-insert-file-contents nnshimbun-nov-buffer-file-name))
 657         (set-buffer-modified-p nil))
 658       (push (cons group buffer) nnshimbun-nov-buffer-alist)
 659       buffer)))
 660
 661 (defun nnshimbun-write-nov (group)
 662   (let ((buffer (cdr (assoc group nnshimbun-nov-buffer-alist))))
 663     (when (buffer-live-p buffer)
 664       (save-excursion
 665         (set-buffer buffer)
 666         (buffer-modified-p)
 667         (nnmail-write-region 1 (point-max) nnshimbun-nov-buffer-file-name
 668                              nil 'nomesg)))))
 669
 670 (defun nnshimbun-save-nov ()
 671   (save-excursion
 672     (while nnshimbun-nov-buffer-alist
 673       (when (buffer-name (cdar nnshimbun-nov-buffer-alist))
 674         (set-buffer (cdar nnshimbun-nov-buffer-alist))
 675         (when (buffer-modified-p)
 676           (nnmail-write-region 1 (point-max) nnshimbun-nov-buffer-file-name
 677                                nil 'nomesg))
 678         (set-buffer-modified-p nil)
 679         (kill-buffer (current-buffer)))
 680       (setq nnshimbun-nov-buffer-alist (cdr nnshimbun-nov-buffer-alist)))))
 681
 682
 683
 684 ;;; Server Initialize
 685 (defun nnshimbun-possibly-change-group (group &optional server)
 686   (when server
 687     (unless (nnshimbun-server-opened server)
 688       (nnshimbun-open-server server)))
 689   (unless (gnus-buffer-live-p nnshimbun-buffer)
 690     (setq nnshimbun-buffer
 691           (save-excursion
 692             (nnheader-set-temp-buffer
 693              (format " *nnshimbun %s*" (nnoo-current-server 'nnshimbun))))))
 694   (if (not group)
 695       t
 696     (let ((pathname (nnmail-group-pathname group nnshimbun-server-directory))
 697           (pathname-coding-system 'binary))
 698       (unless (equal pathname nnshimbun-current-directory)
 699         (setq nnshimbun-current-directory pathname
 700               nnshimbun-current-group group))
 701       (unless (file-exists-p nnshimbun-current-directory)
 702         (ignore-errors (make-directory nnshimbun-current-directory t)))
 703       (cond
 704        ((not (file-exists-p nnshimbun-current-directory))
 705         (nnheader-report 'nnshimbun "Couldn't create directory: %s" nnshimbun-current-directory))
 706        ((not (file-directory-p (file-truename nnshimbun-current-directory)))
 707         (nnheader-report 'nnshimbun "Not a directory: %s" nnshimbun-current-directory))
 708        (t t)))))
 709
 710
 711
 712 ;;; Misc Functions
 713
 714 (eval-and-compile
 715   (if (fboundp 'eword-encode-string)
 716       ;; For Semi-Gnus.
 717       (defun nnshimbun-mime-encode-string (string)
 718         (mapconcat
 719          #'identity
 720          (split-string (eword-encode-string (nnweb-decode-entities-string string)) "\n")
 721          ""))
 722     ;; For pure Gnus.
 723     (defun nnshimbun-mime-encode-string (string)
 724       (mapconcat
 725        #'identity
 726        (split-string
 727         (with-temp-buffer
 728           (insert (nnweb-decode-entities-string string))
 729           (rfc2047-encode-region (point-min) (point-max))
 730           (buffer-substring (point-min) (point-max)))
 731         "\n")
 732        ""))))
 733
 734 (defun nnshimbun-lapse-seconds (time)
 735   (let ((now (current-time)))
 736     (+ (* (- (car now) (car time)) 65536)
 737        (- (nth 1 now) (nth 1 time)))))
 738
 739 (defun nnshimbun-make-date-string (year month day &optional time)
 740   (format "%02d %s %04d %s +0900"
 741           day
 742           (aref [nil "Jan" "Feb" "Mar" "Apr" "May" "Jun"
 743                      "Jul" "Aug" "Sep" "Oct" "Nov" "Dec"]
 744                 month)
 745           (cond ((< year 69)
 746                  (+ year 2000))
 747                 ((< year 100)
 748                  (+ year 1900))
 749                 ((< year 1000)  ; possible 3-digit years.
 750                  (+ year 1900))
 751                 (t year))
 752           (or time "00:00")))
 753
 754 (if (fboundp 'regexp-opt)
 755     (defalias 'nnshimbun-regexp-opt 'regexp-opt)
 756   (defun nnshimbun-regexp-opt (strings &optional paren)
 757     "Return a regexp to match a string in STRINGS.
 758 Each string should be unique in STRINGS and should not contain any regexps,
 759 quoted or not.  If optional PAREN is non-nil, ensure that the returned regexp
 760 is enclosed by at least one regexp grouping construct."
 761     (let ((open-paren (if paren "\\(" "")) (close-paren (if paren "\\)" "")))
 762       (concat open-paren (mapconcat 'regexp-quote strings "\\|") close-paren))))
 763
 764
 765 ;; Fast fill-region function
 766
 767 (defvar nnshimbun-fill-column (min 80 (- (frame-width) 4)))
 768
 769 (defconst nnshimbun-kinsoku-bol-list
 770   (append "!)-_~}]:;',.?\e$B!"!#!$!%!&!'!(!)!*!+!,!-!.!/!0!1!2!3!4!5!6!7\e(B\
 771 \e$B!8!9!:!;!<!=!>!?!@!A!B!C!D!E!G!I!K!M!O!Q!S!U!W!Y![!k!l!m!n$!$#$%$'$)\e(B\
 772 \e$B$C$c$e$g$n%!%#%%%'%)%C%c%e%g%n%u%v\e(B" nil))
 773
 774 (defconst nnshimbun-kinsoku-eol-list
 775   (append "({[`\e$B!F!H!J!L!N!P!R!T!V!X!Z!k!l!m!x\e(B" nil))
 776
 777 (defun nnshimbun-fill-line ()
 778   (forward-line 0)
 779   (let ((top (point)) chr)
 780     (while (if (>= (move-to-column nnshimbun-fill-column)
 781                    nnshimbun-fill-column)
 782                (not (progn
 783                       (if (memq (preceding-char) nnshimbun-kinsoku-eol-list)
 784                           (progn
 785                             (backward-char)
 786                             (while (memq (preceding-char) nnshimbun-kinsoku-eol-list)
 787                               (backward-char))
 788                             (insert "\n"))
 789                         (while (memq (setq chr (following-char)) nnshimbun-kinsoku-bol-list)
 790                           (forward-char))
 791                         (if (looking-at "\\s-+")
 792                             (or (eolp) (delete-region (point) (match-end 0)))
 793                           (or (> (char-width chr) 1)
 794                               (re-search-backward "\\<" top t)
 795                               (end-of-line)))
 796                         (or (eolp) (insert "\n"))))))
 797       (setq top (point))))
 798   (forward-line 1)
 799   (not (eobp)))
 800
 801 (defsubst nnshimbun-shallow-rendering ()
 802   (goto-char (point-min))
 803   (while (search-forward "<p>" nil t)
 804     (insert "\n\n"))
 805   (goto-char (point-min))
 806   (while (search-forward "<br>" nil t)
 807     (insert "\n"))
 808   (nnweb-remove-markup)
 809   (nnweb-decode-entities)
 810   (goto-char (point-min))
 811   (while (nnshimbun-fill-line))
 812   (goto-char (point-min))
 813   (when (skip-chars-forward "\n")
 814     (delete-region (point-min) (point)))
 815   (while (search-forward "\n\n" nil t)
 816     (let ((p (point)))
 817       (when (skip-chars-forward "\n")
 818         (delete-region p (point)))))
 819   (goto-char (point-max))
 820   (when (skip-chars-backward "\n")
 821     (delete-region (point) (point-max)))
 822   (insert "\n"))
 823
 824 (defun nnshimbun-make-text-or-html-contents (header &optional x-face)
 825   (let ((case-fold-search t) (html t) (start))
 826     (when (and (re-search-forward nnshimbun-contents-start nil t)
 827                (setq start (point))
 828                (re-search-forward nnshimbun-contents-end nil t))
 829       (delete-region (match-beginning 0) (point-max))
 830       (delete-region (point-min) start)
 831       (nnshimbun-shallow-rendering)
 832       (setq html nil))
 833     (goto-char (point-min))
 834     (nnshimbun-insert-header header)
 835     (insert "Content-Type: " (if html "text/html" "text/plain")
 836             "; charset=ISO-2022-JP\nMIME-Version: 1.0\n")
 837     (when x-face
 838       (insert x-face)
 839       (unless (bolp)
 840         (insert "\n")))
 841     (insert "\n")
 842     (encode-coding-string (buffer-string)
 843                           (mime-charset-to-coding-system "ISO-2022-JP"))))
 844
 845 (defun nnshimbun-make-html-contents (header &optional x-face)
 846   (let (start)
 847     (when (and (re-search-forward nnshimbun-contents-start nil t)
 848                (setq start (point))
 849                (re-search-forward nnshimbun-contents-end nil t))
 850       (delete-region (match-beginning 0) (point-max))
 851       (delete-region (point-min) start))
 852     (goto-char (point-min))
 853     (nnshimbun-insert-header header)
 854     (insert "Content-Type: text/html; charset=ISO-2022-JP\n"
 855             "MIME-Version: 1.0\n")
 856     (when x-face
 857       (insert x-face)
 858       (unless (bolp)
 859         (insert "\n")))
 860     (insert "\n")
 861     (encode-coding-string (buffer-string)
 862                           (mime-charset-to-coding-system "ISO-2022-JP"))))
 863
 864 (defun nnshimbun-make-mhonarc-contents (header &rest args)
 865   (require 'mml)
 866   (if (search-forward "<!--X-Head-End-->" nil t)
 867       (progn
 868         (forward-line 0)
 869         ;; Processing headers.
 870         (save-restriction
 871           (narrow-to-region (point-min) (point))
 872           (nnweb-decode-entities)
 873           (goto-char (point-min))
 874           (while (search-forward "\n<!--X-" nil t)
 875             (replace-match "\n"))
 876           (goto-char (point-min))
 877           (while (search-forward " -->\n" nil t)
 878             (replace-match "\n"))
 879           (goto-char (point-min))
 880           (while (search-forward "\t" nil t)
 881             (replace-match " "))
 882           (goto-char (point-min))
 883           (let (buf refs)
 884             (while (not (eobp))
 885               (cond
 886                ((looking-at "<!--")
 887                 (delete-region (point) (progn (forward-line 1) (point))))
 888                ((looking-at "Subject: +")
 889                 (push (cons 'subject (nnheader-header-value)) buf)
 890                 (delete-region (point) (progn (forward-line 1) (point))))
 891                ((looking-at "From: +")
 892                 (push (cons 'from (nnheader-header-value)) buf)
 893                 (delete-region (point) (progn (forward-line 1) (point))))
 894                ((looking-at "Date: +")
 895                 (push (cons 'date (nnheader-header-value)) buf)
 896                 (delete-region (point) (progn (forward-line 1) (point))))
 897                ((looking-at "Message-Id: +")
 898                 (push (cons 'id (concat "<" (nnheader-header-value) ">")) buf)
 899                 (delete-region (point) (progn (forward-line 1) (point))))
 900                ((looking-at "Reference: +")
 901                 (push (concat "<" (nnheader-header-value) ">") refs)
 902                 (delete-region (point) (progn (forward-line 1) (point))))
 903                ((looking-at "Content-Type: ")
 904                 (unless (search-forward "charset" (gnus-point-at-eol) t)
 905                   (end-of-line)
 906                   (insert "; charset=ISO-2022-JP"))
 907                 (forward-line 1))
 908                (t (forward-line 1))))
 909             (insert "MIME-Version: 1.0\n")
 910             (if refs (push (cons 'references (mapconcat 'identity refs " ")) buf))
 911             (nnshimbun-nov-fix-header nnshimbun-current-group header buf)
 912             (goto-char (point-min))
 913             (nnshimbun-insert-header header))
 914           (goto-char (point-max)))
 915         ;; Processing body.
 916         (save-restriction
 917           (narrow-to-region (point) (point-max))
 918           (delete-region
 919            (point)
 920            (progn
 921              (search-forward "\n<!--X-Body-of-Message-->\n" nil t)
 922              (point)))
 923           (when (search-forward "\n<!--X-Body-of-Message-End-->\n" nil t)
 924             (forward-line -1)
 925             (delete-region (point) (point-max)))
 926           (nnweb-remove-markup)
 927           (nnweb-decode-entities)))
 928     (goto-char (point-min))
 929     (nnshimbun-insert-header header)
 930     (insert "Content-Type: text/html; charset=ISO-2022-JP\nMIME-Version: 1.0\n\n"))
 931   (encode-coding-string (buffer-string)
 932                         (mime-charset-to-coding-system "ISO-2022-JP")))
 933
 934 (defun nnshimbun-make-fml-contents (header &rest args)
 935   (require 'mml)
 936   (catch 'stop
 937     (if (search-forward "<SPAN CLASS=mailheaders>" nil t)
 938         (delete-region (point-min) (point))
 939       (throw 'stop nil))
 940     (if (search-forward "</PRE>")
 941         (progn
 942           (beginning-of-line)
 943           (delete-region (point) (point-max)))
 944       (throw 'stop nil))
 945     (if (search-backward "</SPAN>")
 946         (progn
 947           (beginning-of-line)
 948           (kill-line))
 949       (throw 'stop nil))
 950     (save-restriction
 951       (narrow-to-region (point-min) (point))
 952       (subst-char-in-region (point-min) (point-max) ?\t ?  t)
 953       (nnweb-decode-entities)
 954       (goto-char (point-min))
 955       (let (buf field value start value-beg end)
 956         (while (and (setq start (point))
 957                     (re-search-forward "<SPAN CLASS=\\(.*\\)>\\(.*\\)</SPAN>:"
 958                                        nil t)
 959                     (setq field (match-string 2))
 960                     (re-search-forward
 961                      (concat "<SPAN CLASS=" (match-string 1) "-value>") nil t)
 962                     (setq value-beg (point))
 963                     (search-forward "</SPAN>" nil t)
 964                     (setq end (point)))
 965           (setq value (buffer-substring value-beg
 966                                         (progn (search-backward "</SPAN>")
 967                                                (point))))
 968           (delete-region start end)
 969           (cond ((string= field "Date")
 970                  (push (cons 'date value) buf))
 971                 ((string= field "From")
 972                  (push (cons 'from value) buf))
 973                 ((string= field "Subject")
 974                  (push (cons 'subject value) buf))
 975                 ((string= field "Message-Id")
 976                  (push (cons 'id value) buf))
 977                 ((string= field "References")
 978                  (push (cons 'references value) buf))
 979                 (t
 980                  (insert (concat field ": " value "\n")))))
 981         (nnshimbun-nov-fix-header nnshimbun-current-group header buf)
 982         (goto-char (point-min))
 983         (nnshimbun-insert-header header))
 984       (goto-char (point-max)))
 985     ;; Processing body.
 986     (save-restriction
 987       (narrow-to-region (point) (point-max))
 988       (nnweb-remove-markup)
 989       (nnweb-decode-entities)))
 990   (encode-coding-string (buffer-string)
 991                         (mime-charset-to-coding-system "ISO-2022-JP")))
 992
 993 ;;; www.asahi.com
 994
 995 (defun nnshimbun-asahi-get-headers ()
 996   (when (search-forward "\n<!-- Start of past -->\n" nil t)
 997     (delete-region (point-min) (point))
 998     (when (search-forward "\n<!-- End of past -->\n" nil t)
 999       (forward-line -1)
1000       (delete-region (point) (point-max))
1001       (goto-char (point-min))
1002       (let (headers)
1003         (while (re-search-forward
1004                 "^\e$B"#\e(B<a href=\"\\(\\([0-9][0-9][0-9][0-9]\\)/past/\\([A-z]*[0-9]*\\)\\.html\\)\"> *"
1005                 nil t)
1006           (let ((id (format "<%s%s%%%s>"
1007                             (match-string 2)
1008                             (match-string 3)
1009                             nnshimbun-current-group))
1010                 (url (match-string 1)))
1011             (push (make-full-mail-header
1012                    0
1013                    (nnshimbun-mime-encode-string
1014                     (mapconcat 'identity
1015                                (split-string
1016                                 (buffer-substring
1017                                  (match-end 0)
1018                                  (progn (search-forward "<br>" nil t) (point)))
1019                                 "\\(<[^>]+>\\|\r\\)")
1020                                ""))
1021                    nnshimbun-from-address
1022                    "" id "" 0 0 (concat nnshimbun-url url))
1023                   headers)))
1024         (setq headers (nreverse headers))
1025         (let ((i 0))
1026           (while (and (nth i headers)
1027                       (re-search-forward
1028                        "^\\[\\([0-9][0-9]\\)/\\([0-9][0-9]\\) \\([0-9][0-9]:[0-9][0-9]\\)\\]"
1029                        nil t))
1030             (let ((month (string-to-number (match-string 1)))
1031                   (date (decode-time (current-time))))
1032               (mail-header-set-date
1033                (nth i headers)
1034                (nnshimbun-make-date-string
1035                 (if (and (eq 12 month) (eq 1 (nth 4 date)))
1036                     (1- (nth 5 date))
1037                   (nth 5 date))
1038                 month
1039                 (string-to-number (match-string 2))
1040                 (match-string 3))))
1041             (setq i (1+ i))))
1042         (nreverse headers)))))
1043
1044
1045
1046 ;;; www.sponichi.co.jp
1047
1048 (defun nnshimbun-sponichi-get-headers ()
1049   (when (search-forward "\e$B%K%e!<%9%$%s%G%C%/%9\e(B" nil t)
1050     (delete-region (point-min) (point))
1051     (when (search-forward "\e$B%"%I%?%0\e(B" nil t)
1052       (forward-line 2)
1053       (delete-region (point) (point-max))
1054       (goto-char (point-min))
1055       (let ((case-fold-search t) headers)
1056         (while (re-search-forward
1057                 "^<a href=\"/\\(\\([A-z]*\\)/kiji/\\([0-9][0-9][0-9][0-9]\\)/\\([0-9][0-9]\\)/\\([0-9][0-9]\\)/\\([0-9][0-9]\\)\\.html\\)\">"
1058                 nil t)
1059           (let ((url (match-string 1))
1060                 (id (format "<%s%s%s%s%%%s>"
1061                             (match-string 3)
1062                             (match-string 4)
1063                             (match-string 5)
1064                             (match-string 6)
1065                             nnshimbun-current-group))
1066                 (date (nnshimbun-make-date-string
1067                        (string-to-number (match-string 3))
1068                        (string-to-number (match-string 4))
1069                        (string-to-number (match-string 5)))))
1070             (push (make-full-mail-header
1071                    0
1072                    (nnshimbun-mime-encode-string
1073                     (mapconcat 'identity
1074                                (split-string
1075                                 (buffer-substring
1076                                  (match-end 0)
1077                                  (progn (search-forward "<br>" nil t) (point)))
1078                                 "<[^>]+>")
1079                                ""))
1080                    nnshimbun-from-address
1081                    date id "" 0 0 (concat nnshimbun-url url))
1082                   headers)))
1083         headers))))
1084
1085
1086
1087 ;;; CNET Japan
1088
1089 (defun nnshimbun-cnet-get-headers ()
1090   (let ((case-fold-search t) headers)
1091     (while (search-forward "\n<!--*****\e$B8+=P$7\e(B*****-->\n" nil t)
1092       (let ((subject (buffer-substring (point) (gnus-point-at-eol)))
1093             (point (point)))
1094         (forward-line -2)
1095         (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\\)\">")
1096           (let ((url (match-string 1))
1097                 (id  (format "<%s%s%%%s>"
1098                              (match-string 2)
1099                              (match-string 3)
1100                              nnshimbun-current-group))
1101                 (date (nnshimbun-make-date-string
1102                        (string-to-number (match-string 2))
1103                        (string-to-number (match-string 4))
1104                        (string-to-number (match-string 5)))))
1105             (push (make-full-mail-header
1106                    0
1107                    (nnshimbun-mime-encode-string subject)
1108                    nnshimbun-from-address
1109                    date id "" 0 0 (concat nnshimbun-url url))
1110                   headers)))
1111         (goto-char point)))
1112     headers))
1113
1114
1115
1116 ;;; Wired
1117
1118 (defun nnshimbun-wired-get-all-headers ()
1119   (save-excursion
1120     (set-buffer nnshimbun-buffer)
1121     (let ((group-header-alist (mapcar (lambda (g) (cons g nil)) nnshimbun-groups))
1122           (case-fold-search t)
1123           (regexp (format
1124                    "<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>"
1125                    (regexp-quote nnshimbun-url)
1126                    (nnshimbun-regexp-opt nnshimbun-groups))))
1127       (dolist (xover (list (concat nnshimbun-url "news/news/index.html")
1128                            (concat nnshimbun-url "news/news/last_seven.html")))
1129         (erase-buffer)
1130         (nnshimbun-retrieve-url xover t)
1131         (goto-char (point-min))
1132         (while (re-search-forward regexp nil t)
1133           (let* ((url   (concat nnshimbun-url (match-string 2)))
1134                  (group (downcase (match-string 3)))
1135                  (id    (format "<%s%%%s>" (match-string 4) group))
1136                  (date  (nnshimbun-make-date-string
1137                          (string-to-number (match-string 5))
1138                          (string-to-number (match-string 6))
1139                          (string-to-number (match-string 7))))
1140                  (header (make-full-mail-header
1141                           0
1142                           (nnshimbun-mime-encode-string
1143                            (mapconcat 'identity
1144                                       (split-string
1145                                        (buffer-substring
1146                                         (match-end 0)
1147                                         (progn (search-forward "</b>" nil t) (point)))
1148                                        "<[^>]+>")
1149                                       ""))
1150                           nnshimbun-from-address
1151                           date id "" 0 0 url))
1152                  (x (assoc group group-header-alist)))
1153             (setcdr x (cons header (cdr x))))))
1154       group-header-alist)))
1155
1156
1157
1158 ;;; www.yomiuri.co.jp
1159
1160 (defun nnshimbun-yomiuri-get-all-headers ()
1161   (save-excursion
1162     (set-buffer nnshimbun-buffer)
1163     (erase-buffer)
1164     (nnshimbun-retrieve-url (eval nnshimbun-index-url) t)
1165     (let ((case-fold-search t)
1166           (group-header-alist (mapcar (lambda (g) (cons g nil)) nnshimbun-groups)))
1167       (dolist (group nnshimbun-groups)
1168         (let (start)
1169           (goto-char (point-min))
1170           (when (and (search-forward (format "\n<!-- /news/%s=start -->\n" group) nil t)
1171                      (setq start (point))
1172                      (search-forward (format "\n<!-- /news/%s=end -->\n" group) nil t))
1173             (forward-line -1)
1174             (save-restriction
1175               (narrow-to-region start (point))
1176               (goto-char start)
1177               (while (re-search-forward
1178                       "<a href=\"/\\([0-9]+\\)/\\(\\(\\([0-9][0-9][0-9][0-9]\\)\\([0-9][0-9]\\)\\([0-9][0-9]\\)[A-z0-9]+\\)\\.htm\\)\"[^>]*>"
1179                       nil t)
1180                 (let ((url   (concat (match-string 1) "a/" (match-string 2)))
1181                       (id    (format "<%s%s%%%s>"
1182                                      (match-string 1)
1183                                      (match-string 3)
1184                                      group))
1185                       (year  (string-to-number (match-string 4)))
1186                       (month (string-to-number (match-string 5)))
1187                       (day   (string-to-number (match-string 6)))
1188                       (subject (mapconcat
1189                                 'identity
1190                                 (split-string
1191                                  (buffer-substring
1192                                   (match-end 0)
1193                                   (progn (search-forward "<br>" nil t) (point)))
1194                                  "<[^>]+>")
1195                                 ""))
1196                       date x)
1197                   (when (string-match "^\e$B"!\e(B" subject)
1198                     (setq subject (substring subject (match-end 0))))
1199                   (if (string-match "(\\([0-9][0-9]:[0-9][0-9]\\))$" subject)
1200                       (setq date (nnshimbun-make-date-string
1201                                   year month day (match-string 1 subject))
1202                             subject (substring subject 0 (match-beginning 0)))
1203                     (setq date (nnshimbun-make-date-string year month day)))
1204                   (setcdr (setq x (assoc group group-header-alist))
1205                           (cons (make-full-mail-header
1206                                  0
1207                                  (nnshimbun-mime-encode-string subject)
1208                                  nnshimbun-from-address
1209                                  date id "" 0 0 (concat nnshimbun-url url))
1210                                 (cdr x)))))))))
1211       group-header-alist)))
1212
1213
1214
1215 ;;; Zdnet Japan
1216
1217 (defun nnshimbun-zdnet-get-headers ()
1218   (let ((case-fold-search t) headers)
1219     (goto-char (point-min))
1220     (let (start)
1221       (while (and (search-forward "<!--" nil t)
1222                   (setq start (- (point) 4))
1223                   (search-forward "-->" nil t))
1224         (delete-region start (point))))
1225     (goto-char (point-min))
1226     (while (re-search-forward
1227             "<a href=\"\\(/news/\\)?\\(\\([0-9][0-9]\\)\\([0-9][0-9]\\)/\\([0-9][0-9]\\)/\\([^\\.]+\\).html\\)\"><font size=\"4\"><strong>"
1228             nil t)
1229       (let ((year  (+ 2000 (string-to-number (match-string 3))))
1230             (month (string-to-number (match-string 4)))
1231             (day   (string-to-number (match-string 5)))
1232             (id    (format "<%s%s%s%s%%%s>"
1233                            (match-string 3)
1234                            (match-string 4)
1235                            (match-string 5)
1236                            (match-string 6)
1237                            nnshimbun-current-group))
1238             (url (match-string 2)))
1239         (push (make-full-mail-header
1240                0
1241                (nnshimbun-mime-encode-string
1242                 (mapconcat 'identity
1243                            (split-string
1244                             (buffer-substring
1245                              (match-end 0)
1246                              (progn (search-forward "</a>" nil t) (point)))
1247                             "<[^>]+>")
1248                            ""))
1249                nnshimbun-from-address
1250                (nnshimbun-make-date-string year month day)
1251                id  "" 0 0 (concat nnshimbun-url url))
1252               headers)))
1253     (nreverse headers)))
1254
1255
1256
1257 ;;; MLs on www.mew.org
1258
1259 (defmacro nnshimbun-mew-concat-url (url)
1260   `(concat nnshimbun-url
1261            (nth 1 (assoc nnshimbun-current-group nnshimbun-mew-groups))
1262            "/"
1263            ,url))
1264
1265 (defmacro nnshimbun-mew-reverse-order-p ()
1266   `(nth 2 (assoc nnshimbun-current-group nnshimbun-mew-groups)))
1267
1268 (defmacro nnshimbun-mew-spew-p ()
1269   `(nth 3 (assoc nnshimbun-current-group nnshimbun-mew-groups)))
1270
1271 (defsubst nnshimbun-mew-retrieve-xover (aux)
1272   (erase-buffer)
1273   (nnshimbun-retrieve-url
1274    (nnshimbun-mew-concat-url (if (= aux 1) "index.html" (format "mail%d.html" aux)))
1275    t))
1276
1277 (defconst nnshimbun-mew-regexp "<A[^>]*HREF=\"\\(msg\\([0-9]+\\).html\\)\">\\([^<]+\\)<")
1278
1279 (defmacro nnshimbun-mew-extract-header-values ()
1280   `(progn
1281      (setq url (nnshimbun-mew-concat-url (match-string 1))
1282            id (format "<%05d%%%s>"
1283                       (1- (string-to-number (match-string 2)))
1284                       nnshimbun-current-group)
1285            subject (match-string 3))
1286      (forward-line 1)
1287      (if (nnshimbun-search-id nnshimbun-current-group id)
1288          (throw 'stop headers)
1289        (push (make-full-mail-header
1290               0
1291               (nnshimbun-mime-encode-string subject)
1292               (if (looking-at "<EM>\\([^<]+\\)<")
1293                   (nnshimbun-mime-encode-string (match-string 1))
1294                 "")
1295               "" id "" 0 0 url)
1296              headers))))
1297
1298 (eval-and-compile
1299   (if (fboundp 'mime-entity-fetch-field)
1300       ;; For Semi-Gnus.
1301       (defmacro nnshimbun-mew-mail-header-subject (header)
1302         `(mime-entity-fetch-field ,header 'Subject))
1303     ;; For pure Gnus.
1304     (defalias 'nnshimbun-mew-mail-header-subject 'mail-header-subject)))
1305
1306 (defun nnshimbun-mew-get-headers ()
1307   (if (nnshimbun-mew-spew-p)
1308       (let ((headers (nnshimbun-mew-get-headers-1)))
1309         (erase-buffer)
1310         (insert-buffer-substring (nnshimbun-open-nov nnshimbun-current-group))
1311         (delq nil
1312               (mapcar
1313                (lambda (header)
1314                  (goto-char (point-min))
1315                  (let ((subject (nnshimbun-mew-mail-header-subject header))
1316                        (found))
1317                    (while (and (not found)
1318                                (search-forward subject nil t))
1319                      (if (not (and (search-backward "\t" nil t)
1320                                    (not (search-backward "\t" (gnus-point-at-bol) t))))
1321                          (forward-line 1)
1322                        (setq found t)))
1323                    (if found
1324                        nil
1325                      (goto-char (point-max))
1326                      (nnheader-insert-nov header)
1327                      header)))
1328                headers)))
1329     (nnshimbun-mew-get-headers-1)))
1330
1331 (defun nnshimbun-mew-get-headers-1 ()
1332   (let (headers)
1333     (when (re-search-forward
1334            "<A[^>]*HREF=\"mail\\([0-9]+\\)\\.html\">\\[?Last Page\\]?</A>" nil t)
1335       (let ((limit (string-to-number (match-string 1))))
1336         (catch 'stop
1337           (if (nnshimbun-mew-reverse-order-p)
1338               (let ((aux 1))
1339                 (while (let (id url subject)
1340                          (while (re-search-forward nnshimbun-mew-regexp nil t)
1341                            (nnshimbun-mew-extract-header-values))
1342                          (< aux limit))
1343                   (nnshimbun-mew-retrieve-xover (setq aux (1+ aux)))))
1344             (while (> limit 0)
1345               (nnshimbun-mew-retrieve-xover limit)
1346               (setq limit (1- limit))
1347               (let (id url subject)
1348                 (goto-char (point-max))
1349                 (while (re-search-backward nnshimbun-mew-regexp nil t)
1350                   (nnshimbun-mew-extract-header-values)
1351                   (forward-line -2)))))
1352           headers)))))
1353
1354
1355
1356 ;;; MLs on www.xemacs.org
1357
1358 (defmacro nnshimbun-xemacs-concat-url (url)
1359   `(concat nnshimbun-url nnshimbun-current-group "/" ,url))
1360
1361 (defun nnshimbun-xemacs-get-headers ()
1362   (let (headers auxs aux)
1363     (catch 'stop
1364       (while (re-search-forward
1365               (concat "<A HREF=\"/" nnshimbun-current-group
1366                       "/\\([12][0-9][0-9][0-9][0-1][0-9]\\)/\">\\[Index\\]")
1367               nil t)
1368         (setq auxs (append auxs (list (match-string 1)))))
1369       (while auxs
1370         (erase-buffer)
1371         (nnshimbun-retrieve-url
1372          (nnshimbun-xemacs-concat-url (concat (setq aux (car auxs)) "/")))
1373         (let (id url subject)
1374           (goto-char (point-max))
1375           (while (re-search-backward
1376                   "<A[^>]*HREF=\"\\(msg\\([0-9]+\\).html\\)\">\\([^<]+\\)<"
1377                   nil t)
1378             (setq url (nnshimbun-xemacs-concat-url
1379                        (concat aux "/" (match-string 1)))
1380                   id (format "<%s%05d%%%s>"
1381                              aux
1382                              (string-to-number (match-string 2))
1383                              nnshimbun-current-group)
1384                   subject (match-string 3))
1385             (forward-line 1)
1386             (if (nnshimbun-search-id nnshimbun-current-group id)
1387                 (throw 'stop headers)
1388               (push (make-full-mail-header
1389                      0
1390                      (nnshimbun-mime-encode-string subject)
1391                      (if (looking-at "<td><em>\\([^<]+\\)<")
1392                          (match-string 1)
1393                        "")
1394                      "" id "" 0 0 url)
1395                     headers))
1396             (message "%s" id)
1397             (forward-line -2)))
1398         (setq auxs (cdr auxs))))
1399     headers))
1400
1401 ;;; MLs on www.jp.netbsd.org
1402
1403 (defun nnshimbun-netbsd-get-headers ()
1404   (let ((case-fold-search t) headers months)
1405     (goto-char (point-min))
1406     (while (re-search-forward "<A HREF=\"\\([0-9]+\\)/\\(threads.html\\)?\">" nil t)
1407       (push (match-string 1) months))
1408     (setq months (nreverse months))
1409     (catch 'exit
1410       (dolist (month months)
1411         (erase-buffer)
1412         (nnshimbun-retrieve-url
1413          (format "%s%s/%s/maillist.html" nnshimbun-url nnshimbun-current-group month)
1414          t)
1415         (let (id url subject)
1416           (while (re-search-forward
1417                   "<A[^>]*HREF=\"\\(msg\\([0-9]+\\)\\.html\\)\">\\([^<]+\\)</A>"
1418                   nil t)
1419             (setq url (format "%s%s/%s/%s"
1420                               nnshimbun-url
1421                               nnshimbun-current-group
1422                               month
1423                               (match-string 1))
1424                   id (format "<%s%05d%%%s>"
1425                              month
1426                              (string-to-number (match-string 2))
1427                              nnshimbun-current-group)
1428                   subject (match-string 3))
1429             (if (nnshimbun-search-id nnshimbun-current-group id)
1430                 (throw 'exit headers)
1431               (push (make-full-mail-header
1432                      0
1433                      (nnshimbun-mime-encode-string subject)
1434                      (if (looking-at "</STRONG> *<EM>\\([^<]+\\)<")
1435                          (nnshimbun-mime-encode-string (match-string 1))
1436                        "")
1437                      "" id "" 0 0 url)
1438                     headers)))))
1439       headers)))
1440
1441 ;;; MLs using fml
1442 (defun nnshimbun-fml-get-headers ()
1443   (let (headers auxs aux)
1444     (catch 'stop
1445       (while (re-search-forward "<a href=\"\\([0-9]+\\(\\.week\\|\\.month\\)?\\)/index.html\">" nil t)
1446         (setq auxs (append auxs (list (match-string 1)))))
1447       (while auxs
1448         (erase-buffer)
1449         (nnshimbun-retrieve-url
1450          (concat nnshimbun-url (setq aux (car auxs)) "/"))
1451         (subst-char-in-region (point-min) (point-max) ?\t ?  t)
1452         (let (id url date subject from)
1453           (goto-char (point-min))
1454           (while (re-search-forward
1455                   "<LI><A HREF=\"\\([0-9]+\\.html\\)\">Article .*</A> <DIV><SPAN CLASS=article>Article <SPAN CLASS=article-value>\\([0-9]+\\)</SPAN></SPAN> at <SPAN CLASS=Date-value>\\([^<]*\\)</SPAN> <SPAN CLASS=Subject>Subject: <SPAN CLASS=Subject-value>\\([^<]*\\)</SPAN></SPAN></DIV><DIV><SPAN CLASS=From>From: <SPAN CLASS=From-value>\\([^<]*\\)</SPAN></SPAN></DIV>"
1456                   nil t)
1457             (setq url (concat nnshimbun-url aux "/" (match-string 1))
1458                   id (format "<%s%05d%%%s>"
1459                              aux
1460                              (string-to-number (match-string 2))
1461                              nnshimbun-current-group)
1462                   date (match-string 3)
1463                   subject (match-string 4)
1464                   from (match-string 5))
1465             (forward-line 1)
1466             (if (nnshimbun-search-id nnshimbun-current-group id)
1467                 (throw 'stop headers)
1468               (push (make-full-mail-header
1469                      0
1470                      (nnshimbun-mime-encode-string subject)
1471                      from date id "" 0 0 url)
1472                     headers))
1473             ;;(message "%s" id)
1474             ))
1475         (setq auxs (cdr auxs))))
1476     headers))
1477
1478 (provide 'nnshimbun)
1479 ;;; nnshimbun.el ends here.