Mercurial > hg > xemacs-beta
comparison lisp/w3/w3.el @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
author | cvs |
---|---|
date | Mon, 13 Aug 2007 08:45:50 +0200 |
parents | |
children | ac2d302a0011 |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:376386a54a3c |
---|---|
1 ;;; w3.el,v --- Main functions for emacs-w3 on all platforms/versions | |
2 ;; Author: wmperry | |
3 ;; Created: 1996/06/06 15:03:12 | |
4 ;; Version: 1.550 | |
5 ;; Keywords: faces, help, comm, news, mail, processes, mouse, hypermedia | |
6 | |
7 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
8 ;;; Copyright (c) 1993, 1994, 1995 by William M. Perry (wmperry@spry.com) | |
9 ;;; | |
10 ;;; This file is not part of GNU Emacs, but the same permissions apply. | |
11 ;;; | |
12 ;;; GNU Emacs is free software; you can redistribute it and/or modify | |
13 ;;; it under the terms of the GNU General Public License as published by | |
14 ;;; the Free Software Foundation; either version 2, or (at your option) | |
15 ;;; any later version. | |
16 ;;; | |
17 ;;; GNU Emacs is distributed in the hope that it will be useful, | |
18 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 ;;; GNU General Public License for more details. | |
21 ;;; | |
22 ;;; You should have received a copy of the GNU General Public License | |
23 ;;; along with GNU Emacs; see the file COPYING. If not, write to | |
24 ;;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
25 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
26 | |
27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
28 ;;; This is a major mode for browsing documents written in Hypertext Markup ;;; | |
29 ;;; Language (HTML). These documents are typicallly part of the World Wide ;;; | |
30 ;;; Web (WWW), a project to create a global information net in hypertext ;;; | |
31 ;;; format. ;;; | |
32 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
33 | |
34 ;;; first start by making sure the load path is properly set. This code | |
35 ;;; is mostly taken from calc-2.02b | |
36 ;;; | |
37 ;;; this allows you to put the following in your .emacs file, instead of | |
38 ;;; having to know what the load-path for the w3 files is. | |
39 ;;; | |
40 ;;; (autoload 'w3 "w3/w3" "WWW Browser" t) | |
41 | |
42 ;;; If w3 files exist on the load-path, we're all set. | |
43 (let ((name (and (fboundp 'w3) | |
44 (eq (car-safe (symbol-function 'w3)) 'autoload) | |
45 (nth 1 (symbol-function 'w3)))) | |
46 (p load-path)) | |
47 (while (and p (not (file-exists-p | |
48 (expand-file-name "w3-vars.elc" (car p))))) | |
49 (setq p (cdr p))) | |
50 (or p | |
51 ;;; If w3 is autoloaded using a path name, look there for w3 files. | |
52 ;;; This works for both relative ("w3/w3.elc") and absolute paths. | |
53 (and name (file-name-directory name) | |
54 (let ((p2 load-path) | |
55 (name2 (concat (file-name-directory name) | |
56 "w3-vars.elc"))) | |
57 (while (and p2 (not (file-exists-p | |
58 (expand-file-name name2 (car p2))))) | |
59 (setq p2 (cdr p2))) | |
60 (if p2 | |
61 (setq load-path (nconc load-path | |
62 (list | |
63 (directory-file-name | |
64 (file-name-directory | |
65 (expand-file-name | |
66 name (car p2))))))))))) | |
67 ) | |
68 | |
69 | |
70 (load-library "w3-sysdp") | |
71 (or (featurep 'efs) | |
72 (featurep 'efs-auto) | |
73 (condition-case () | |
74 (require 'ange-ftp) | |
75 (error nil))) | |
76 | |
77 (require 'cl) | |
78 (require 'w3-vars) | |
79 (eval-and-compile | |
80 (require 'w3-draw)) | |
81 | |
82 | |
83 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
84 ;;; Code for printing out roman numerals | |
85 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
86 (defun w3-decimal-to-roman (n) | |
87 ;; Convert from decimal to roman numerals | |
88 (let ((curmod 1000) | |
89 (str "") | |
90 (j 7) | |
91 i2 k curcnt) | |
92 (while (>= curmod 1) | |
93 (if (>= n curmod) | |
94 (progn | |
95 (setq curcnt (/ n curmod) | |
96 n (- n (* curcnt curmod))) | |
97 (if (= 4 (% curcnt 5)) | |
98 (setq i2 (+ j (if (> curcnt 5) 1 0)) | |
99 str (format "%s%c%c" str | |
100 (aref w3-roman-characters (1- j)) | |
101 (aref w3-roman-characters i2))) | |
102 (progn | |
103 (if (>= curcnt 5) | |
104 (setq str (format "%s%c" str (aref w3-roman-characters j)) | |
105 curcnt (- curcnt 5))) | |
106 (setq k 0) | |
107 (while (< k curcnt) | |
108 (setq str (format "%s%c" str | |
109 (aref w3-roman-characters (1- j))) | |
110 k (1+ k))))))) | |
111 (setq curmod (/ curmod 10) | |
112 j (- j 2))) | |
113 str)) | |
114 | |
115 (defun w3-decimal-to-alpha (n) | |
116 ;; Convert from decimal to alphabetical (a, b, c, ..., aa, ab,...) | |
117 (cond | |
118 ((< n 1) (char-to-string ?Z)) | |
119 ((<= n 26) (char-to-string (+ ?A (1- n)))) | |
120 (t (concat (char-to-string (+ ?A (1- (/ n 27)))) | |
121 (w3-decimal-to-alpha (% n 26)))))) | |
122 | |
123 | |
124 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
125 ;;; Functions for compatibility with XMosaic | |
126 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
127 | |
128 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
129 ;;; Parse out the Mosaic documents-menu file | |
130 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
131 (defun w3-parse-docs-menu () | |
132 ;; Parse the Mosaic documents menu | |
133 (let ((tmp-menu (append '((separator)) w3-starting-documents | |
134 '((separator)))) | |
135 real-menu x y name url) | |
136 (if (or (not (file-exists-p w3-documents-menu-file)) | |
137 (not (file-readable-p w3-documents-menu-file))) | |
138 nil | |
139 (save-excursion | |
140 (set-buffer (get-buffer-create " *w3-temp*")) | |
141 (erase-buffer) | |
142 (insert-file-contents w3-documents-menu-file) | |
143 (goto-char (point-min)) | |
144 (while (not (eobp)) | |
145 (if (not (looking-at "-+$")) | |
146 (setq x (progn (beginning-of-line) (point)) | |
147 y (progn (end-of-line) (point)) | |
148 name (prog1 | |
149 (buffer-substring x y) | |
150 (delete-region x (min (1+ y) (point-max)))) | |
151 x (progn (beginning-of-line) (point)) | |
152 y (progn (end-of-line) (point)) | |
153 url (prog1 | |
154 (buffer-substring x y) | |
155 (delete-region x (min (1+ y) (point-max)))) | |
156 tmp-menu (if (rassoc url tmp-menu) tmp-menu | |
157 (cons (cons name url) tmp-menu))) | |
158 (setq tmp-menu (cons '(separator) tmp-menu)) | |
159 (delete-region (point-min) (min (1+ (progn (end-of-line) | |
160 (point))) | |
161 (point-max))))) | |
162 (kill-buffer (current-buffer)))) | |
163 (if (equal (car (car tmp-menu)) "") (setq tmp-menu (cdr tmp-menu))) | |
164 (while tmp-menu | |
165 (setq real-menu (cons (if (equal 'separator (car (car tmp-menu))) | |
166 "--------" | |
167 (vector (car (car tmp-menu)) | |
168 (list 'w3-fetch | |
169 (if (listp (cdr (car tmp-menu))) | |
170 (car (cdr (car tmp-menu))) | |
171 (cdr (car tmp-menu)))) t)) | |
172 real-menu) | |
173 tmp-menu (cdr tmp-menu))) | |
174 (setq w3-navigate-menu (append w3-navigate-menu real-menu | |
175 (list "-----"))))) | |
176 | |
177 | |
178 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
179 ;;; Functions to pass files off to external viewers | |
180 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
181 (defun w3-start-viewer (fname cmd &optional view) | |
182 "Start a subprocess, named FNAME, executing CMD | |
183 If third arg VIEW is non-nil, show the output in a buffer when | |
184 the subprocess exits." | |
185 (if view (save-excursion | |
186 (set-buffer (get-buffer-create view)) | |
187 (erase-buffer))) | |
188 (let ((proc | |
189 (start-process fname view (or shell-file-name | |
190 (getenv "ESHELL") | |
191 (getenv "SHELL") | |
192 "/bin/sh") "-c" cmd))) | |
193 proc)) | |
194 | |
195 (defun w3-viewer-filter (proc string) | |
196 ;; A process filter for asynchronous external viewers | |
197 (let ((buff (get-buffer-create (url-generate-new-buffer-name | |
198 (symbol-name | |
199 (read (nth 2 (process-command proc)))))))) | |
200 (save-excursion | |
201 (set-buffer buff) | |
202 (erase-buffer) | |
203 (insert string) | |
204 (set-process-buffer proc buff) | |
205 (set-process-filter proc nil)))) | |
206 | |
207 (defun w3-viewer-sentinel (proc string) | |
208 ;; Delete any temp files left from a viewer process. | |
209 (let ((fname (process-name proc)) | |
210 (buffr (process-buffer proc)) | |
211 (status (process-exit-status proc))) | |
212 (if buffr | |
213 (w3-notify-when-ready buffr)) | |
214 (and (/= 0 status) | |
215 (funcall url-confirmation-func | |
216 (format "Viewer for %s failed... save to disk? " fname)) | |
217 (copy-file fname (read-file-name "Save as: ") t)) | |
218 (if (and (file-exists-p fname) | |
219 (file-writable-p fname)) | |
220 (delete-file fname)))) | |
221 | |
222 (defun w3-notify-when-ready (buff) | |
223 "Notify the user when BUFF is ready. | |
224 See the variable `w3-notify' for the different notification behaviors." | |
225 (if (stringp buff) (setq buff (get-buffer buff))) | |
226 (cond | |
227 ((null buff) nil) | |
228 ((eq w3-notify 'newframe) | |
229 ;; Since we run asynchronously, perhaps while Emacs is waiting for input, | |
230 ;; we must not leave a different buffer current. | |
231 ;; We can't rely on the editor command loop to reselect | |
232 ;; the selected window's buffer. | |
233 (save-excursion | |
234 (set-buffer buff) | |
235 (make-frame))) | |
236 ((eq w3-notify 'bully) | |
237 (pop-to-buffer buff) | |
238 (delete-other-windows)) | |
239 ((eq w3-notify 'semibully) | |
240 (switch-to-buffer buff)) | |
241 ((eq w3-notify 'aggressive) | |
242 (pop-to-buffer buff)) | |
243 ((eq w3-notify 'friendly) | |
244 (display-buffer buff 'not-this-window)) | |
245 ((eq w3-notify 'polite) | |
246 (beep) | |
247 (message "W3 buffer %s is ready." (buffer-name buff))) | |
248 ((eq w3-notify 'quiet) | |
249 (message "W3 buffer %s is ready." (buffer-name buff))) | |
250 (t (message "")))) | |
251 | |
252 (defun w3-pass-to-viewer () | |
253 ;; Pass a w3 buffer to a viewer | |
254 (set-buffer url-working-buffer) | |
255 (let* ((info url-current-mime-viewer) ; All the MIME viewer info | |
256 (view (cdr-safe (assoc "viewer" info))) ; How to view this file | |
257 (url (url-view-url t)) | |
258 (fmt (cdr-safe (assoc "nametemplate" info)))) ; Template for name | |
259 (cond | |
260 (fmt nil) | |
261 ((cdr-safe (assoc "type" info)) | |
262 (setq fmt (mm-type-to-file (cdr-safe (assoc "type" info)))) | |
263 (if fmt (setq fmt (concat "%s" (car fmt))) | |
264 (setq fmt (concat "%s" (url-file-extension url-current-file)))))) | |
265 (if (null view) | |
266 (setq view 'indented-text-mode)) | |
267 (cond | |
268 ((symbolp view) | |
269 (if (not (memq view '(w3-prepare-buffer w3-print w3-source | |
270 w3-default-local-file | |
271 mm-multipart-viewer))) | |
272 (let ((bufnam (url-generate-new-buffer-name | |
273 (file-name-nondirectory | |
274 (or url-current-file "Unknown"))))) | |
275 (if (string= bufnam "") | |
276 (setq bufnam (url-generate-new-buffer-name | |
277 (url-view-url t)))) | |
278 (rename-buffer bufnam) | |
279 ;; Make the URL show in list-buffers output | |
280 (make-local-variable 'list-buffers-directory) | |
281 (setq list-buffers-directory (url-view-url t)) | |
282 (set-buffer-modified-p nil) | |
283 (buffer-enable-undo) | |
284 (funcall view) | |
285 (w3-notify-when-ready bufnam)) | |
286 (funcall view))) | |
287 ((stringp view) | |
288 (let ((fname (url-generate-unique-filename fmt)) proc) | |
289 (if (url-file-directly-accessible-p (url-view-url t)) | |
290 (make-symbolic-link url-current-file fname t) | |
291 (if (featurep 'mule) | |
292 (write-region (point-min) (point-max) fname nil nil *noconv*) | |
293 (write-region (point-min) (point-max) fname))) | |
294 (if (get-buffer url-working-buffer) | |
295 (kill-buffer url-working-buffer)) | |
296 (if (string-match "%s" view) | |
297 (setq view (concat (substring view 0 (match-beginning 0)) | |
298 fname (substring view (match-end 0))))) | |
299 (if (string-match "%u" view) | |
300 (setq view (concat (substring view 0 (match-beginning 0)) | |
301 url | |
302 (substring view (match-end 0))))) | |
303 (message "Passing to viewer %s " view) | |
304 (setq proc (w3-start-viewer fname view)) | |
305 (set-process-filter proc 'w3-viewer-filter) | |
306 (set-process-sentinel proc 'w3-viewer-sentinel))) | |
307 ((listp view) | |
308 (set-buffer-modified-p nil) | |
309 (buffer-enable-undo) | |
310 (eval view)) | |
311 (t | |
312 (message "Unknown viewer specified: %s" view) | |
313 (w3-notify-when-ready url-working-buffer))))) | |
314 | |
315 (defun w3-save-binary-file () | |
316 "Save a buffer to disk - this is used when `w3-dump-to-disk' is non-nil" | |
317 (interactive) | |
318 (let ((x (read-file-name "Filename to save as: " | |
319 (or mm-download-directory "~/") | |
320 (concat (or mm-download-directory "~/") | |
321 (url-basepath (or url-current-file "") t)) | |
322 nil | |
323 (url-basepath (or url-current-file "") t))) | |
324 (require-final-newline nil)) | |
325 (save-excursion | |
326 ;; more fixes from the MULE guys | |
327 (if w3-dump-to-disk | |
328 (let (jka-compr-compression-info-list | |
329 jam-zcat-filename-list) | |
330 (if (featurep 'mule) | |
331 (let ((mc-flag t)) | |
332 (write-file x *noconv*)) | |
333 (write-file x))) | |
334 (let ((fnha file-name-handler-alist) | |
335 (file-name-handler-alist nil)) | |
336 (if (featurep 'mule) | |
337 (let ((mc-flag t)) | |
338 (write-file x *noconv*)) | |
339 (write-file x)))) | |
340 (kill-buffer (current-buffer))))) | |
341 | |
342 (defun w3-build-url (protocol) | |
343 "Build a url for PROTOCOL, return it as a string" | |
344 (interactive (list (cdr (assoc (completing-read | |
345 "Protocol: " | |
346 w3-acceptable-protocols-alist nil t) | |
347 w3-acceptable-protocols-alist)))) | |
348 (let (user host port file) | |
349 (cond | |
350 ((null protocol) (error "Protocol is unknown to me!")) | |
351 ((string= protocol "news") | |
352 (setq host (read-string "Enter news server name, or blank for default: ") | |
353 port (read-string "Enter port number, or blank for default: ") | |
354 file (read-string "Newgroup name or Message-ID: "))) | |
355 ((string= protocol "mailto") (setq file (read-string "E-mail address: "))) | |
356 ((string= protocol "http") | |
357 (setq host (read-string "Enter server name: ") | |
358 port (read-string "Enter port number, or blank for default: ") | |
359 file (read-string "Remote file: ")) | |
360 (and (string= "" port) (setq port nil)) | |
361 (and (string= "" host) (error "Must specify a remote machine!"))) | |
362 ((string= protocol "file") | |
363 (if (funcall url-confirmation-func "Local file?") | |
364 (setq file (read-file-name "Local File: " nil nil t)) | |
365 (setq user (read-string "Login as user (blank=anonymous): ") | |
366 host (read-string "Remote machine name: ")) | |
367 (and (string= user "") (setq user "anonymous")) | |
368 (and (string= host "") (error "Must specify a remote machine!")) | |
369 (setq file (read-file-name "File: " (format "/%s@%s:" user host) | |
370 nil t) | |
371 file (substring file (length (format "/%s@%s:" user host)))))) | |
372 ((or (string= protocol "telnet") | |
373 (string= protocol "tn3270")) | |
374 (setq user (read-string "Login as user (blank=none): ") | |
375 host (read-string "Remote machine name: ") | |
376 port (read-string "Port number (blank=23): ")) | |
377 (and (string= "" port) (setq port nil)) | |
378 (and (string= "" user) (setq user nil)) | |
379 (and (string= "" host) (error "Must specify a host machine!"))) | |
380 ((string= protocol "gopher") | |
381 (setq host (read-string "Enter server name: ") | |
382 port (read-string "Enter port number, or blank for default: ") | |
383 file (read-string "Remote file: ")) | |
384 (and (string= "" port) (setq port nil)) | |
385 (and (string= "" host) (error "Must specify a remote machine!")))) | |
386 (message "%s:%s%s" | |
387 protocol | |
388 (if (null host) "" (concat "//" host | |
389 (if (null port) "" (concat ":" port)))) | |
390 (if (= ?/ (string-to-char file)) file (concat "/" file))))) | |
391 | |
392 ;;;###autoload | |
393 (defun w3-open-local (fname) | |
394 "Find a local file, and interpret it as a hypertext document. | |
395 It will prompt for an existing file or directory, and retrieve it as a | |
396 hypertext document. If it is a directory, and url-use-hypertext-dired | |
397 is non-nil, then an HTML directory listing is created on the fly. | |
398 Otherwise, dired-mode is used to visit the buffer." | |
399 (interactive "FLocal file: ") | |
400 (if (not w3-setup-done) (w3-do-setup)) | |
401 (w3-fetch (concat "file:" fname))) | |
402 | |
403 ;;;###autoload | |
404 (defun w3-find-file (fname) | |
405 "Find a local file, and interpret it as a hypertext document. | |
406 It will prompt for an existing file or directory, and retrieve it as a | |
407 hypertext document. If it is a directory, and url-use-hypertext-dired | |
408 is non-nil, then an HTML directory listing is created on the fly. | |
409 Otherwise, dired-mode is used to visit the buffer." | |
410 (interactive "FLocal file: ") | |
411 (w3-open-local fname)) | |
412 | |
413 ;;;###autoload | |
414 (defun w3-fetch-other-frame (&optional url) | |
415 "Attempt to follow the hypertext reference under point in a new frame. | |
416 With prefix-arg P, ignore viewers and dump the link straight | |
417 to disk." | |
418 (interactive (list (w3-read-url-with-default))) | |
419 (cond | |
420 ((and (fboundp 'make-frame) | |
421 (fboundp 'select-frame) | |
422 (not (eq (device-type) 'tty))) | |
423 (let ((frm (make-frame))) | |
424 (select-frame frm) | |
425 (delete-other-windows) | |
426 (w3-fetch url))) | |
427 (t (w3-fetch url)))) | |
428 | |
429 (defun w3-fetch-other-window (&optional url) | |
430 "Attempt to follow the hypertext reference under point in a new window. | |
431 With prefix-arg P, ignore viewers and dump the link straight | |
432 to disk." | |
433 (interactive (list (w3-read-url-with-default))) | |
434 (split-window) | |
435 (w3-fetch url)) | |
436 | |
437 (defun w3-url-completion-function (string predicate function) | |
438 (if (not w3-setup-done) (w3-do-setup)) | |
439 (cond | |
440 ((null function) | |
441 (cond | |
442 ((get 'url-gethash 'sysdep-defined-this) | |
443 ;; Cheat! If we know that these are the sysdep-defined version | |
444 ;; of hashtables, they are an obarray. | |
445 (try-completion string url-global-history-hash-table predicate)) | |
446 ((url-hashtablep url-global-history-hash-table) | |
447 (let ((list nil)) | |
448 (url-maphash (function (lambda (key val) | |
449 (setq list (cons (cons (symbol-name key) val) | |
450 list)))) | |
451 url-global-history-hash-table) | |
452 (try-completion string (nreverse list) predicate))) | |
453 (t nil))) | |
454 ((eq function t) | |
455 (cond | |
456 ((get 'url-gethash 'sysdep-defined-this) | |
457 ;; Cheat! If we know that these are the sysdep-defined version | |
458 ;; of hashtables, they are an obarray. | |
459 (all-completions string url-global-history-hash-table predicate)) | |
460 ((url-hashtablep url-global-history-hash-table) | |
461 (let ((stub (concat "^" (regexp-quote string))) | |
462 (retval nil)) | |
463 (url-maphash | |
464 (function | |
465 (lambda (url time) | |
466 (setq url (symbol-name url)) | |
467 (if (string-match stub url) | |
468 (setq retval (cons url retval))))) | |
469 url-global-history-hash-table) | |
470 retval)) | |
471 (t nil))) | |
472 ((eq function 'lambda) | |
473 (and (url-hashtablep url-global-history-hash-table) | |
474 (url-gethash string url-global-history-hash-table) | |
475 t)))) | |
476 | |
477 (defun w3-read-url-with-default () | |
478 (url-do-setup) | |
479 (let* ((completion-ignore-case t) | |
480 (default | |
481 (if (eq major-mode 'w3-mode) | |
482 (if (and current-prefix-arg (w3-view-this-url t)) | |
483 (w3-view-this-url t) | |
484 (url-view-url t)) | |
485 (url-get-url-at-point))) | |
486 (url nil)) | |
487 (if (not default) | |
488 (setq default "http://www.")) | |
489 (setq url | |
490 (completing-read "URL: " 'w3-url-completion-function | |
491 nil nil default)) | |
492 (if (string= url "") | |
493 (setq url (if (eq major-mode 'w3-mode) | |
494 (if (and current-prefix-arg (w3-view-this-url t)) | |
495 (w3-view-this-url t) | |
496 (url-view-url t)) | |
497 (url-get-url-at-point)))) | |
498 url)) | |
499 | |
500 ;;;###autoload | |
501 (defun w3-fetch (&optional url) | |
502 "Retrieve a document over the World Wide Web. | |
503 The World Wide Web is a global hypertext system started by CERN in | |
504 Switzerland in 1991. | |
505 | |
506 The document should be specified by its fully specified | |
507 Uniform Resource Locator. The document will be parsed, printed, or | |
508 passed to an external viewer as appropriate. Variable | |
509 `mm-mime-info' specifies viewers for particular file types." | |
510 (interactive (list (w3-read-url-with-default))) | |
511 (if (not w3-setup-done) (w3-do-setup)) | |
512 (if (boundp 'w3-working-buffer) | |
513 (setq w3-working-buffer url-working-buffer)) | |
514 (if (and (boundp 'command-line-args-left) | |
515 command-line-args-left | |
516 (string-match url-nonrelative-link (car command-line-args-left))) | |
517 (setq url (car command-line-args-left) | |
518 command-line-args-left (cdr command-line-args-left))) | |
519 (if (equal url "") (error "No document specified!")) | |
520 ;; legal use for relative URLs ? | |
521 (if (string-match "^www:[^/].*" url) | |
522 (setq url (concat (file-name-directory url-current-file) | |
523 (substring url 4)))) | |
524 ;; In the common case, this is probably cheaper than searching. | |
525 (while (= (string-to-char url) ? ) | |
526 (setq url (substring url 1))) | |
527 (cond | |
528 ((= (string-to-char url) ?#) | |
529 (w3-relative-link url)) | |
530 ((or (and (interactive-p) current-prefix-arg) w3-dump-to-disk) | |
531 (w3-download-url url)) | |
532 (t | |
533 (let ((x (url-view-url t)) | |
534 (lastbuf (current-buffer)) | |
535 (buf (url-buffer-visiting url))) | |
536 (and x (or (string= "file:nil" x) (string= "" x)) | |
537 (setq x nil)) | |
538 (if (or (not buf) | |
539 (cond | |
540 ((not (equal (downcase (or url-request-method "GET")) "get")) t) | |
541 ((memq w3-reuse-buffers '(no never reload)) t) | |
542 ((memq w3-reuse-buffers '(yes reuse always)) nil) | |
543 (t | |
544 (if (and w3-reuse-buffers (not (eq w3-reuse-buffers 'ask))) | |
545 (progn | |
546 (ding) | |
547 (message | |
548 "Warning: Invalid value for variable w3-reuse-buffers: %s" | |
549 (prin1-to-string w3-reuse-buffers)) | |
550 (sit-for 2))) | |
551 (not (funcall url-confirmation-func | |
552 (format "Reuse URL in buffer %s? " | |
553 (buffer-name buf))))))) | |
554 (let ((cached (url-retrieve url))) | |
555 (if w3-track-last-buffer | |
556 (setq w3-last-buffer (get-buffer url-working-buffer))) | |
557 (if (get-buffer url-working-buffer) | |
558 (cond | |
559 ((and url-be-asynchronous (string-match "^http:" url) | |
560 (not cached)) | |
561 (save-excursion | |
562 (set-buffer url-working-buffer) | |
563 (if x | |
564 (w3-add-urls-to-history x (url-view-url t))) | |
565 (setq w3-current-last-buffer lastbuf))) | |
566 (t | |
567 (w3-add-urls-to-history x url) | |
568 (w3-sentinel lastbuf))))) | |
569 (if w3-track-last-buffer | |
570 (setq w3-last-buffer buf)) | |
571 (let ((w3-notify (if (memq w3-notify '(newframe bully aggressive)) | |
572 w3-notify | |
573 'aggressive))) | |
574 (w3-notify-when-ready buf)) | |
575 (if (string-match "#\\(.*\\)" url) | |
576 (progn | |
577 (push-mark (point) t) | |
578 (w3-find-specific-link (url-match url 1)))) | |
579 (message "Reusing URL. To reload, type %s." | |
580 (substitute-command-keys "\\[w3-reload-document]"))))))) | |
581 | |
582 | |
583 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
584 ;;; History for forward/back buttons | |
585 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
586 (defvar w3-node-history nil "History for forward and backward jumping") | |
587 | |
588 (defun w3-plot-course () | |
589 "Show a map of where the user has been in this session of W3. !!!!NYI!!!" | |
590 (interactive) | |
591 (error "Sorry, w3-plot-course is not yet implemented.")) | |
592 | |
593 (defun w3-forward-in-history () | |
594 "Go forward in the history from this page" | |
595 (interactive) | |
596 (let* ((thisurl (url-view-url t)) | |
597 (node (assoc (if (string= "" thisurl) (current-buffer) thisurl) | |
598 w3-node-history)) | |
599 (url (cdr node)) | |
600 (w3-reuse-buffers 'yes)) | |
601 (cond | |
602 ((null url) (error "No forward found for %s" thisurl)) | |
603 ((and (bufferp url) (buffer-name url)) | |
604 (switch-to-buffer url)) | |
605 ((stringp url) | |
606 (w3-fetch url)) | |
607 ((bufferp url) | |
608 (setq w3-node-history (delete node w3-node-history)) | |
609 (error "Killed buffer in history, removed.")) | |
610 (t | |
611 (error "Something is very wrong with the history!"))))) | |
612 | |
613 (defun w3-backward-in-history () | |
614 "Go backward in the history from this page" | |
615 (interactive) | |
616 (let* ((thisurl (url-view-url t)) | |
617 (node (rassoc (if (string= thisurl "") (current-buffer) thisurl) | |
618 w3-node-history)) | |
619 (url (car node)) | |
620 (w3-reuse-buffers 'yes)) | |
621 (cond | |
622 ((null url) (error "No backward found for %s" thisurl)) | |
623 ((and (bufferp url) (buffer-name url)) | |
624 (switch-to-buffer url)) | |
625 ((stringp url) | |
626 (w3-fetch url)) | |
627 ((bufferp url) | |
628 (setq w3-node-history (delete node w3-node-history)) | |
629 (error "Killed buffer in history, removed.")) | |
630 (t | |
631 (error "Something is very wrong with the history!"))))) | |
632 | |
633 (defun w3-add-urls-to-history (referer url) | |
634 "REFERER is the url we followed this link from. URL is the link we got to." | |
635 (let ((node (assoc referer w3-node-history))) | |
636 (if node | |
637 (setcdr node url) | |
638 (setq w3-node-history (cons (cons referer url) w3-node-history))))) | |
639 | |
640 | |
641 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
642 ;;; Miscellaneous functions | |
643 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
644 (defun w3-describe-entities () | |
645 "Show an DTD fragment listing all the entities currently defined." | |
646 (interactive) | |
647 (switch-to-buffer (get-buffer-create "W3 Entities")) | |
648 (let ((buffer-file-name (concat (make-temp-name "entities") ".dtd"))) | |
649 (set-auto-mode)) | |
650 (erase-buffer) | |
651 (let (entity) | |
652 (mapatoms | |
653 (function | |
654 (lambda (x) | |
655 (setq entity (get x 'html-entity-expansion)) | |
656 (if entity | |
657 (insert (format "<!entity %s %s \"%s\">\n" x (car entity) | |
658 (cdr entity)))))))) | |
659 (goto-char (point-min))) | |
660 | |
661 (defun w3-executable-exists-in-path (exec &optional path) | |
662 (let ((paths (if (consp path) | |
663 path | |
664 (mm-string-to-tokens (or path | |
665 (getenv "PATH") | |
666 (concat | |
667 "/usr/bin:/bin:/usr/local/bin:" | |
668 "/usr/bin/X11:" | |
669 (expand-file-name "~/bin"))) ?:))) | |
670 (done nil)) | |
671 (while (and paths (not done)) | |
672 (if (file-exists-p (expand-file-name exec (car paths))) | |
673 (setq done t)) | |
674 (setq paths (cdr paths))) | |
675 done)) | |
676 | |
677 (defun w3-document-information (&optional buff) | |
678 "Display information on the document in buffer BUFF" | |
679 (interactive) | |
680 (if (interactive-p) | |
681 (let ((w3-notify 'friendly)) | |
682 (if (get-buffer "Document Information") | |
683 (kill-buffer (get-buffer "Document Information"))) | |
684 (w3-fetch "about:document")) | |
685 (setq buff (or buff (current-buffer))) | |
686 (save-excursion | |
687 (set-buffer buff) | |
688 (let* ((url (url-view-url t)) | |
689 (cur-links w3-current-links) | |
690 (title (buffer-name)) | |
691 (lastmod (or (cdr-safe (assoc "last-modified" | |
692 url-current-mime-headers)) | |
693 (and (member url-current-type '("file" "ftp")) | |
694 (nth 5 (url-file-attributes url))))) | |
695 (hdrs url-current-mime-headers)) | |
696 (set-buffer (get-buffer-create url-working-buffer)) | |
697 (setq url-current-can-be-cached nil | |
698 url-current-type "about" | |
699 url-current-file "document") | |
700 (erase-buffer) | |
701 (cond | |
702 ((stringp lastmod) nil) | |
703 ((equal '(0 . 0) lastmod) (setq lastmod nil)) | |
704 ((consp lastmod) (setq lastmod (current-time-string lastmod))) | |
705 (t (setq lastmod nil))) | |
706 (insert "<html>\n" | |
707 " <head>\n" | |
708 " <title>Document Information</title>\n" | |
709 " </head>\n" | |
710 " <body\n" | |
711 " <h1 align=\"center\">Document Information</h1>\n" | |
712 " <hr>\n" | |
713 " <pre>\n" | |
714 " Title: " title "\n" | |
715 " Location: " url "\n" | |
716 " Last Modified: " (or lastmod "None Given") "\n" | |
717 " </pre>\n") | |
718 (if hdrs | |
719 (let* ((maxlength (car (sort (mapcar (function (lambda (x) | |
720 (length (car x)))) | |
721 hdrs) | |
722 '>))) | |
723 (fmtstring (format "%%%ds: %%s" maxlength))) | |
724 (insert " <hr label=\" MetaInformation \" textalign=\"left\">\n" | |
725 " <pre>\n" | |
726 (mapconcat | |
727 (function | |
728 (lambda (x) | |
729 (if (/= (length (car x)) 0) | |
730 (format fmtstring | |
731 (capitalize (car x)) | |
732 (if (numberp (cdr x)) | |
733 (int-to-string (cdr x)) | |
734 (cdr x)))))) | |
735 (sort hdrs | |
736 (function | |
737 (lambda (x y) (string-lessp (car x) (car y))))) | |
738 "\n") | |
739 " </pre>\n"))) | |
740 (if cur-links | |
741 (while cur-links | |
742 (let* ((tmp (car cur-links)) | |
743 (label (car tmp)) | |
744 (nodes (cdr tmp)) | |
745 (links nil) | |
746 (maxlength (car (sort (mapcar | |
747 (function (lambda (x) | |
748 (length (car x)))) | |
749 nodes) | |
750 '>))) | |
751 (fmtstring (format "%%%ds: %%s" maxlength))) | |
752 (insert " \n" | |
753 " <hr width=\"50%\" label=\" " | |
754 label " \" align=\"left\" textalign=\"left\">\n" | |
755 " <pre>\n") | |
756 (while nodes | |
757 (setq label (car (car nodes)) | |
758 links (cdr (car nodes)) | |
759 nodes (cdr nodes)) | |
760 (while links | |
761 (insert (format " %15s -- <a href=\"%s\">%s</a>\n" | |
762 label (car links) (car links))) | |
763 (setq links (cdr links) | |
764 label ""))) | |
765 (insert " </pre>\n")) | |
766 (setq cur-links (cdr cur-links)))) | |
767 (insert " </body>\n" | |
768 "</html>\n"))))) | |
769 | |
770 (defun w3-truncate-menu-item (string) | |
771 (if (<= (length string) w3-max-menu-width) | |
772 string | |
773 (concat (substring string 0 w3-max-menu-width) "$"))) | |
774 | |
775 (defun w3-use-starting-documents () | |
776 "Use the list of predefined starting documents from w3-starting-documents" | |
777 (interactive) | |
778 (let ((w3-hotlist w3-starting-documents)) | |
779 (w3-use-hotlist))) | |
780 | |
781 (defun w3-show-starting-documents () | |
782 "Show the list of predefined starting documents from w3-starting-documents" | |
783 (interactive) | |
784 (if (not w3-setup-done) (w3-do-setup)) | |
785 (w3-fetch "www://auto/starting-points")) | |
786 | |
787 (defun w3-insert-formatted-url (p) | |
788 "Insert a formatted url into a buffer. With prefix arg, insert the url | |
789 under point." | |
790 (interactive "P") | |
791 (let (buff str) | |
792 (cond | |
793 (p | |
794 (setq p (widget-at (point))) | |
795 (or p (error "No url under point")) | |
796 (setq str (format "<A HREF=\"%s\">%s</A>" (widget-get p 'href) | |
797 (read-string "Link text: " | |
798 (buffer-substring | |
799 (car (widget-get p 'title)) | |
800 (cdr (widget-get p 'title))))))) | |
801 (t | |
802 (setq str (format "<A HREF=\"%s\">%s</A>" (url-view-url t) | |
803 (read-string "Link text: " (buffer-name)))))) | |
804 (setq buff (read-buffer "Insert into buffer: " nil t)) | |
805 (if buff | |
806 (save-excursion | |
807 (set-buffer buff) | |
808 (insert str)) | |
809 (message "Cancelled.")))) | |
810 | |
811 (defun w3-first-n-items (l n) | |
812 "Return the first N items from list L" | |
813 (let ((x 0) | |
814 y) | |
815 (if (> n (length l)) | |
816 (setq y l) | |
817 (while (< x n) | |
818 (setq y (nconc y (list (nth x l))) | |
819 x (1+ x)))) | |
820 y)) | |
821 | |
822 (defun w3-widget-button-press () | |
823 (interactive) | |
824 (if (widget-at (point)) | |
825 (widget-button-press (point)))) | |
826 | |
827 (defun w3-widget-button-click (e) | |
828 (interactive "@e") | |
829 (if (widget-at (event-point e)) | |
830 (widget-button-click e))) | |
831 | |
832 (defun w3-breakup-menu (menu-desc max-len) | |
833 (if (> (length menu-desc) max-len) | |
834 (cons (cons "More..." (w3-first-n-items menu-desc max-len)) | |
835 (w3-breakup-menu (nthcdr max-len menu-desc) max-len)) | |
836 menu-desc)) | |
837 | |
838 ;;;###autoload | |
839 (defun w3-maybe-follow-link-mouse (e) | |
840 "Maybe follow a hypertext link under point. | |
841 If there is no link under point, this will try using | |
842 url-get-url-at-point" | |
843 (interactive "e") | |
844 (save-excursion | |
845 (mouse-set-point e) | |
846 (w3-maybe-follow-link))) | |
847 | |
848 ;;;###autoload | |
849 (defun w3-maybe-follow-link () | |
850 "Maybe follow a hypertext link under point. | |
851 If there is no link under point, this will try using | |
852 url-get-url-at-point" | |
853 (interactive) | |
854 (require 'w3) | |
855 (if (not w3-setup-done) (w3-do-setup)) | |
856 (let* ((widget (widget-at (point))) | |
857 (url1 (and widget (widget-get widget 'href))) | |
858 (url2 (url-get-url-at-point))) | |
859 (cond | |
860 (url1 (w3-follow-link)) | |
861 ((and url2 (string-match url-nonrelative-link url2)) (w3-fetch url2)) | |
862 (t (message "No URL could be found!"))))) | |
863 | |
864 ;;;###autoload | |
865 (defun w3-follow-url-at-point-other-frame (&optional pt) | |
866 "Follow the URL under PT, defaults to link under (point)" | |
867 (interactive "d") | |
868 (let ((url (url-get-url-at-point pt))) | |
869 (and url (w3-fetch-other-frame url)))) | |
870 | |
871 ;;;###autoload | |
872 (defun w3-follow-url-at-point (&optional pt) | |
873 "Follow the URL under PT, defaults to link under (point)" | |
874 (interactive "d") | |
875 (let ((url (url-get-url-at-point pt))) | |
876 (and url (w3-fetch url)))) | |
877 | |
878 ;;;###autoload | |
879 (defun w3-batch-fetch () | |
880 "Fetch all the URLs on the command line and save them to files in | |
881 the current directory. The first argument after the -f w3-batch-fetch | |
882 on the command line should be a string specifying how to save the | |
883 information retrieved. If it is \"html\", then the page will be | |
884 unformatted when it is written to disk. If it is \"text\", then the | |
885 page will be formatted before it is written to disk. If it is | |
886 \"binary\" it will not mess with the file extensions, and just save | |
887 the data in raw binary format. If none of those, the default is | |
888 \"text\", and the first argument is treated as a normal URL." | |
889 (if (not w3-setup-done) (w3-do-setup)) | |
890 (if (not noninteractive) | |
891 (error "`w3-batch-fetch' is to be used only with -batch")) | |
892 (let ((fname "") | |
893 (curname "") | |
894 (x 0) | |
895 (args command-line-args-left) | |
896 (w3-strict-width 80) | |
897 (w3-delimit-emphasis nil) | |
898 (w3-delimit-links nil) | |
899 (retrieval-function 'w3-fetch) | |
900 (file-format "text") | |
901 (header "") | |
902 (file-extn ".txt")) | |
903 (setq file-format (downcase (car args))) | |
904 (cond | |
905 ((string= file-format "html") | |
906 (message "Saving all text as raw HTML...") | |
907 (setq retrieval-function 'url-retrieve | |
908 file-extn ".html" | |
909 header "<BASE HREF=\"%s\">" | |
910 args (cdr args))) | |
911 ((string= file-format "binary") | |
912 (message "Saving as raw binary...") | |
913 (setq retrieval-function 'url-retrieve | |
914 file-extn "" | |
915 args (cdr args))) | |
916 ((string= file-format "text") | |
917 (setq header "Text from: %s\n---------------\n") | |
918 (message "Saving all text as formatted...") | |
919 (setq args (cdr args))) | |
920 (t | |
921 (setq header "Text from: %s\n---------------\n") | |
922 (message "Going with default, saving all text as formatted..."))) | |
923 (while args | |
924 (funcall retrieval-function (car args)) | |
925 (goto-char (point-min)) | |
926 (if buffer-read-only (toggle-read-only)) | |
927 (insert (format header (car args))) | |
928 (setq fname (url-basepath url-current-file t)) | |
929 (if (string= file-extn "") nil | |
930 (setq fname (url-file-extension fname t))) | |
931 (if (string= (url-strip-leading-spaces fname) "") | |
932 (setq fname "root")) | |
933 (setq curname fname) | |
934 (while (file-exists-p (concat curname file-extn)) | |
935 (setq curname (concat fname x) | |
936 x (1+ x))) | |
937 (setq fname (concat curname file-extn)) | |
938 (write-region (point-min) (point-max) fname) | |
939 (setq args (cdr args))))) | |
940 | |
941 (defun w3-fix-spaces (x) | |
942 "Remove spaces/tabs at the beginning of a string, | |
943 and convert newlines into spaces." | |
944 (url-convert-newlines-to-spaces | |
945 (url-strip-leading-spaces | |
946 (url-eat-trailing-space x)))) | |
947 | |
948 (defun w3-reload-all-files () | |
949 "Reload all w3 files" | |
950 (interactive) | |
951 (setq w3-setup-done nil | |
952 url-setup-done nil | |
953 w3-hotlist nil | |
954 url-mime-accept-string nil) | |
955 (let ((x '(w3 w3-mule w3-e19 w3-xem20 mm url w3-xemac w3-toolbar font))) | |
956 (while x | |
957 (setq features (delq (car x) features) | |
958 x (cdr x))) | |
959 (require 'w3)) | |
960 (w3-do-setup) | |
961 (url-do-setup) | |
962 ) | |
963 | |
964 (defun w3-source-document-at-point () | |
965 "View source to the document pointed at by link under point" | |
966 (interactive) | |
967 (w3-source-document t)) | |
968 | |
969 (defun w3-my-safe-copy-face (old new locale) | |
970 (let ((fore (face-foreground old)) | |
971 (back (face-background old)) | |
972 (bpxm (face-background-pixmap old)) | |
973 (font (face-font old)) | |
974 (font-spec (get old 'font-specification))) | |
975 (if (color-specifier-p fore) | |
976 (setq fore (color-name fore))) | |
977 (if (color-specifier-p back) | |
978 (setq back (color-name back))) | |
979 (if (font-specifier-p font) | |
980 (setq font (font-name font))) | |
981 (and fore (set-face-foreground new fore locale)) | |
982 (and back (set-face-background new back locale)) | |
983 (and bpxm (set-face-background-pixmap new bpxm locale)) | |
984 (and (or font-spec font) (set-face-font new (or font-spec font) locale)) | |
985 new)) | |
986 | |
987 (defun w3-source-document (under) | |
988 "View this document's source" | |
989 (interactive "P") | |
990 (let* ((url (if under (w3-view-this-url) (url-view-url t))) | |
991 (fil (if under nil url-current-file)) | |
992 (tag '$html-source) ; For the stylesheet info | |
993 (args nil) ; For the stylesheet info | |
994 (face nil) ; For the stylesheet info | |
995 (src | |
996 (cond | |
997 ((or (null url) (string= url "file:nil")) | |
998 (error "Not a w3 buffer!")) | |
999 ((and under (null url)) (error "No link at point!")) | |
1000 ((and (not under) (equal url-current-mime-type "text/plain")) | |
1001 (buffer-string)) | |
1002 ((and (not under) w3-current-source) w3-current-source) | |
1003 (t | |
1004 (prog2 | |
1005 (url-retrieve url) | |
1006 (buffer-string) | |
1007 (setq fil (or fil url-current-file)) | |
1008 (kill-buffer (current-buffer)))))) | |
1009 (tmp (url-generate-new-buffer-name url))) | |
1010 (if (and url (get-buffer url)) | |
1011 (cond | |
1012 ((memq w3-reuse-buffers '(no never reload)) | |
1013 (kill-buffer url)) | |
1014 ((memq w3-reuse-buffers '(yes reuse always)) | |
1015 (w3-notify-when-ready (get-buffer url)) | |
1016 (setq url nil)) | |
1017 ((funcall url-confirmation-func | |
1018 (concat "Source for " url " found, reuse? ")) | |
1019 (w3-notify-when-ready (get-buffer url))))) | |
1020 (if (not url) nil | |
1021 (setq face (and w3-current-stylesheet (cdr (w3-face-for-element)))) | |
1022 (set-buffer (get-buffer-create tmp)) | |
1023 (insert src) | |
1024 (put-text-property (point-min) (point-max) 'face face) | |
1025 (put-text-property (point-min) (point-max) 'w3-base url) | |
1026 (goto-char (point-min)) | |
1027 (setq buffer-file-truename nil | |
1028 buffer-file-name nil) | |
1029 ;; Null filename bugs `set-auto-mode' in Mule ... | |
1030 (if (not (featurep 'mule)) | |
1031 (set-auto-mode)) | |
1032 (buffer-enable-undo) | |
1033 (set-buffer-modified-p nil) | |
1034 (w3-notify-when-ready (get-buffer tmp)))) | |
1035 (run-hooks 'w3-source-file-hook)) | |
1036 | |
1037 (defun w3-mail-document-under-point () | |
1038 "Mail the document pointed to by the hyperlink under point." | |
1039 (interactive) | |
1040 (w3-mail-current-document t)) | |
1041 | |
1042 (defun w3-mail-current-document (under &optional format) | |
1043 "Mail the current-document to someone" | |
1044 (interactive "P") | |
1045 (let* ((completion-ignore-case t) | |
1046 (format (or format | |
1047 (completing-read | |
1048 "Format: " | |
1049 '(("HTML Source") | |
1050 ("Formatted Text") | |
1051 ("PostScript") | |
1052 ("LaTeX Source") | |
1053 ) | |
1054 nil t))) | |
1055 (url (cond | |
1056 ((stringp under) under) | |
1057 (under (w3-view-this-url t)) | |
1058 (t (url-view-url t)))) | |
1059 (content-type "text/plain; charset=iso-8859-1") | |
1060 (str | |
1061 (save-excursion | |
1062 (cond | |
1063 ((and (equal "HTML Source" format) under) | |
1064 (setq content-type "text/html; charset=iso-8859-1") | |
1065 (let ((url-source t)) | |
1066 (url-retrieve url))) | |
1067 ((equal "HTML Source" format) | |
1068 (setq content-type "text/html; charset=iso-8859-1") | |
1069 (if w3-current-source | |
1070 (let ((x w3-current-source)) | |
1071 (set-buffer (get-buffer-create url-working-buffer)) | |
1072 (erase-buffer) | |
1073 (insert x)) | |
1074 (url-retrieve url))) | |
1075 ((and under (equal "PostScript" format)) | |
1076 (setq content-type "application/postscript") | |
1077 (w3-fetch url) | |
1078 (let ((ps-spool-buffer-name " *w3-temp*")) | |
1079 (if (get-buffer ps-spool-buffer-name) | |
1080 (kill-buffer ps-spool-buffer-name)) | |
1081 (w3-print-with-ps-print (current-buffer) | |
1082 'ps-spool-buffer-with-faces) | |
1083 (set-buffer ps-spool-buffer-name))) | |
1084 ((equal "PostScript" format) | |
1085 (let ((ps-spool-buffer-name " *w3-temp*")) | |
1086 (if (get-buffer ps-spool-buffer-name) | |
1087 (kill-buffer ps-spool-buffer-name)) | |
1088 (setq content-type "application/postscript") | |
1089 (w3-print-with-ps-print (current-buffer) | |
1090 'ps-spool-buffer-with-faces) | |
1091 (set-buffer ps-spool-buffer-name))) | |
1092 ((and under (equal "Formatted Text" format)) | |
1093 (setq content-type "text/plain; charset=iso-8859-1") | |
1094 (w3-fetch url)) | |
1095 ((equal "Formatted Text" format) | |
1096 (setq content-type "text/plain; charset=iso-8859-1")) | |
1097 ((and under (equal "LaTeX Source" format)) | |
1098 (let ((old-asynch url-be-asynchronous)) | |
1099 (setq content-type "application/x-latex; charset=iso-8859-1") | |
1100 (setq-default url-be-asynchronous nil) | |
1101 (url-retrieve url) | |
1102 (setq-default url-be-asynchronous old-asynch) | |
1103 (w3-parse-tree-to-latex (w3-parse-buffer (current-buffer) t) | |
1104 url))) | |
1105 ((equal "LaTeX Source" format) | |
1106 (setq content-type "application/x-latex; charset=iso-8859-1") | |
1107 (w3-parse-tree-to-latex w3-current-parse url))) | |
1108 (buffer-string)))) | |
1109 (cond | |
1110 ((and w3-mutable-windows (fboundp w3-mail-other-window-command)) | |
1111 (funcall w3-mail-other-window-command)) | |
1112 ((fboundp w3-mail-command) | |
1113 (funcall w3-mail-command)) | |
1114 (w3-mutable-windows (mail-other-window)) | |
1115 (t (mail))) | |
1116 (mail-subject) | |
1117 (insert format " from URL " url "\n" | |
1118 "Mime-Version: 1.0\n" | |
1119 "Content-transfer-encoding: 8bit\n" | |
1120 "Content-type: " content-type) | |
1121 | |
1122 (re-search-forward mail-header-separator nil) | |
1123 (forward-char 1) | |
1124 (insert (if (equal "HTML Source" format) | |
1125 (format "<BASE HREF=\"%s\">" url) "") | |
1126 str) | |
1127 (mail-to))) | |
1128 | |
1129 (defun w3-internal-use-history (hist-item) | |
1130 ;; Go to the link in the history | |
1131 (let ((url (nth 0 hist-item)) | |
1132 (buf (nth 1 hist-item)) | |
1133 (pnt (nth 2 hist-item))) | |
1134 (cond | |
1135 ((null buf) ; Find a buffer with same url | |
1136 (let ((x (buffer-list)) | |
1137 (found nil)) | |
1138 (while (and x (not found)) | |
1139 (save-excursion | |
1140 (set-buffer (car x)) | |
1141 (setq found (string= (url-view-url t) url)) | |
1142 (if (not found) (setq x (cdr x))))) | |
1143 (cond | |
1144 (found | |
1145 (switch-to-buffer (car x)) | |
1146 (if (number-or-marker-p pnt) (goto-char pnt))) | |
1147 (t | |
1148 (w3-fetch url))))) | |
1149 ((buffer-name buf) ; Reuse the old buffer if possible | |
1150 (switch-to-buffer buf) | |
1151 (if (number-or-marker-p pnt) (goto-char pnt)) | |
1152 (if (and url (= ?# (string-to-char url))) ; Destination link | |
1153 (progn | |
1154 (goto-char (point-min)) | |
1155 (w3-find-specific-link (substring url 1 nil))))) | |
1156 (url (url-maybe-relative url)) ; Get the link | |
1157 (t (message "Couldn't understand whats in the history."))))) | |
1158 | |
1159 (defun w3-relative-link (url) | |
1160 (if (equal "#" (substring url 0 1)) | |
1161 (progn | |
1162 (push-mark (point) t) | |
1163 (goto-char (point-min)) | |
1164 (w3-find-specific-link (substring url 1 nil))) | |
1165 (w3-fetch (url-expand-file-name url)))) | |
1166 | |
1167 (defun w3-maybe-eval () | |
1168 ;; Maybe evaluate a buffer of emacs lisp code | |
1169 (if (funcall url-confirmation-func "This is emacs-lisp code, evaluate it?") | |
1170 (eval-buffer (current-buffer)) | |
1171 (emacs-lisp-mode))) | |
1172 | |
1173 (defun w3-build-continuation () | |
1174 ;; Build a series of functions to be run on this file | |
1175 (save-excursion | |
1176 (set-buffer url-working-buffer) | |
1177 (let ((cont w3-default-continuation) | |
1178 (extn (url-file-extension url-current-file))) | |
1179 (if (assoc extn url-uncompressor-alist) | |
1180 (setq extn (url-file-extension | |
1181 (substring url-current-file 0 (- (length extn)))))) | |
1182 (if w3-source | |
1183 (setq url-current-mime-viewer '(("viewer" . w3-source)))) | |
1184 (if (not url-current-mime-viewer) | |
1185 (setq url-current-mime-viewer | |
1186 (mm-mime-info (or url-current-mime-type | |
1187 (mm-extension-to-mime extn)) nil 5))) | |
1188 (if url-current-mime-viewer | |
1189 (setq cont (append cont '(w3-pass-to-viewer))) | |
1190 (setq cont (append cont (list w3-default-action)))) | |
1191 cont))) | |
1192 | |
1193 (defun w3-use-links () | |
1194 "Select one of the <LINK> tags from this document and fetch it." | |
1195 (interactive) | |
1196 (and (not w3-current-links) | |
1197 (error "No links defined for this document.")) | |
1198 (w3-fetch "about:document")) | |
1199 | |
1200 (defun w3-find-this-file () | |
1201 "Do a find-file on the currently viewed html document if it is a file: or | |
1202 ftp: reference" | |
1203 (interactive) | |
1204 (cond | |
1205 ((and (or (null url-current-type) (equal url-current-type "file")) | |
1206 (eq major-mode 'w3-mode)) | |
1207 (if w3-mutable-windows | |
1208 (find-file-other-window url-current-file) | |
1209 (find-file url-current-file))) | |
1210 ((equal url-current-type "ftp") | |
1211 (if w3-mutable-windows | |
1212 (find-file-other-window | |
1213 (format "/%s@%s:%s" url-current-user url-current-server | |
1214 url-current-file)) | |
1215 (find-file | |
1216 (format "/%s@%s:%s" url-current-user url-current-server | |
1217 url-current-file)))) | |
1218 (t (message "Sorry, I can't get that file so you can alter it.")))) | |
1219 | |
1220 (defun w3-insert-this-url (pref-arg) | |
1221 "Insert the current url in another buffer, with prefix ARG, | |
1222 insert URL under point" | |
1223 (interactive "P") | |
1224 (let ((thebuf (get-buffer (read-buffer "Insert into buffer: "))) | |
1225 (oldbuf (current-buffer)) | |
1226 (url (if pref-arg (w3-view-this-url t) (url-view-url t)))) | |
1227 (if (and url (not (equal "Not on a link!" url))) | |
1228 (progn | |
1229 (set-buffer thebuf) | |
1230 (insert url) | |
1231 (set-buffer oldbuf)) | |
1232 (message "Not on a link!")))) | |
1233 | |
1234 (defun w3-show-hotlist () | |
1235 "View the hotlist in hypertext form" | |
1236 (interactive) | |
1237 (if (not w3-setup-done) (w3-do-setup)) | |
1238 (if (not w3-hotlist) | |
1239 (error "Sorry, no hotlist is in memory.") | |
1240 (let ((x (url-buffer-visiting "www:/auto/hotlist"))) | |
1241 (while x | |
1242 (kill-buffer x) | |
1243 (setq x (url-buffer-visiting "www:/auto/hotlist")))) | |
1244 (w3-fetch "www://auto/hotlist"))) | |
1245 | |
1246 (defun url-maybe-relative (url) | |
1247 "Take a url and either fetch it, or resolve relative refs, then fetch it" | |
1248 (cond | |
1249 ((not | |
1250 (string-match url-nonrelative-link url)) | |
1251 (w3-relative-link url)) | |
1252 (t (w3-fetch url)))) | |
1253 | |
1254 (defun w3-in-assoc (elt list) | |
1255 "Check to see if ELT matches any of the regexps in the car elements of LIST" | |
1256 (let (rslt) | |
1257 (while (and list (not rslt)) | |
1258 (and (car (car list)) | |
1259 (stringp (car (car list))) | |
1260 (not (string= (car (car list)) "")) | |
1261 (string-match (car (car list)) elt) | |
1262 (setq rslt (car list))) | |
1263 (setq list (cdr list))) | |
1264 rslt)) | |
1265 | |
1266 (defun w3-goto-last-buffer () | |
1267 "Go to last WWW buffer visited" | |
1268 (interactive) | |
1269 (if w3-current-last-buffer | |
1270 (w3-notify-when-ready w3-current-last-buffer) | |
1271 (message "No previous buffer found."))) | |
1272 | |
1273 (fset 'w3-replace-regexp 'url-replace-regexp) | |
1274 | |
1275 ;;;###autoload | |
1276 (defun w3-preview-this-buffer () | |
1277 "See what this buffer will look like when its formatted as HTML. | |
1278 HTML is the HyperText Markup Language used by the World Wide Web to | |
1279 specify formatting for text. More information on HTML can be found at | |
1280 ftp.w3.org:/pub/www/doc." | |
1281 (interactive) | |
1282 (w3-fetch (concat "www://preview/" (buffer-name)))) | |
1283 | |
1284 (defun w3-edit-source () | |
1285 "Edit the html document just retrieved" | |
1286 (set-buffer url-working-buffer) | |
1287 (let ((ttl (format "Editing %s Annotation: %s" | |
1288 (cond | |
1289 ((eq w3-editing-annotation 'group) "Group") | |
1290 ((eq w3-editing-annotation 'personal) "Personal") | |
1291 (t "Unknown")) | |
1292 (url-basepath url-current-file t))) | |
1293 (str (buffer-string))) | |
1294 (set-buffer (get-buffer-create ttl)) | |
1295 (insert str) | |
1296 (kill-buffer url-working-buffer))) | |
1297 | |
1298 (defun w3-source () | |
1299 "Show the source of a file" | |
1300 (let ((tmp (buffer-name (generate-new-buffer "Document Source")))) | |
1301 (set-buffer url-working-buffer) | |
1302 (kill-buffer tmp) | |
1303 (rename-buffer tmp) | |
1304 ;; Make the URL show in list-buffers output | |
1305 (make-local-variable 'list-buffers-directory) | |
1306 (setq list-buffers-directory (url-view-url t)) | |
1307 (set-buffer-modified-p nil) | |
1308 (buffer-enable-undo) | |
1309 (w3-notify-when-ready (get-buffer tmp)))) | |
1310 | |
1311 (defun w3-sentinel (&optional proc string) | |
1312 (set-buffer url-working-buffer) | |
1313 (if (or (stringp proc) | |
1314 (bufferp proc)) (setq w3-current-last-buffer proc)) | |
1315 (if (boundp 'after-change-functions) | |
1316 (remove-hook 'after-change-functions 'url-after-change-function)) | |
1317 (if url-be-asynchronous | |
1318 (progn | |
1319 (url-clean-text) | |
1320 (cond | |
1321 ((not (get-buffer url-working-buffer)) nil) | |
1322 ((url-mime-response-p) (url-parse-mime-headers))) | |
1323 (if (not url-current-mime-type) | |
1324 (setq url-current-mime-type (or (mm-extension-to-mime | |
1325 (url-file-extension | |
1326 url-current-file)) | |
1327 "text/html"))))) | |
1328 (let ((x (w3-build-continuation)) | |
1329 (done-mule-conversion nil)) | |
1330 (while x | |
1331 (if (and (featurep 'mule) (not (eq 'url-uncompress (car x))) | |
1332 (not done-mule-conversion)) | |
1333 (progn | |
1334 (if (string-match "^www:" (url-view-url t)) | |
1335 (setq w3-mime-list-for-code-conversion nil)) | |
1336 (w3-convert-code-for-mule url-current-mime-type) | |
1337 (setq done-mule-conversion t))) | |
1338 (funcall (car x)) | |
1339 (setq x (cdr x))))) | |
1340 | |
1341 (defun w3-show-history-list () | |
1342 "Format the url-history-list prettily and show it to the user" | |
1343 (interactive) | |
1344 (w3-fetch "www://auto/history")) | |
1345 | |
1346 (defun w3-save-as (&optional type) | |
1347 "Save a document to the local disk" | |
1348 (interactive) | |
1349 (let* ((completion-ignore-case t) | |
1350 (format (or type (completing-read | |
1351 "Format: " | |
1352 '(("HTML Source") ("Formatted Text") | |
1353 ("LaTeX Source") ("Binary")) | |
1354 nil t))) | |
1355 (fname (expand-file-name | |
1356 (read-file-name "File name: " default-directory))) | |
1357 (url (url-view-url t))) | |
1358 (cond | |
1359 ((equal "Binary" format) | |
1360 (if (not w3-current-source) | |
1361 (let ((url-be-asynchronous nil)) | |
1362 (url-retrieve url)))) | |
1363 ((equal "HTML Source" format) | |
1364 (if (not w3-current-source) | |
1365 (let ((url-be-asynchronous nil)) | |
1366 (url-retrieve url)) ; Get the document if necessary | |
1367 (let ((txt w3-current-source)) | |
1368 (set-buffer (get-buffer-create url-working-buffer)) | |
1369 (insert txt))) | |
1370 (goto-char (point-min)) | |
1371 (insert (format "<BASE HREF=\"%s\">\n" url))) | |
1372 ((or (equal "Formatted Text" format) | |
1373 (equal "" format)) | |
1374 nil) ; Do nothing - we have the text already | |
1375 ((equal "LaTeX Source" format) | |
1376 (w3-parse-tree-to-latex w3-current-parse url) | |
1377 (insert-buffer url-working-buffer))) | |
1378 (write-region (point-min) (point-max) fname))) | |
1379 | |
1380 | |
1381 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1382 ;;; Functions to parse out <A> tags and replace it with a hyperlink zone | |
1383 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1384 (defun w3-popup-image-info (url) | |
1385 (interactive) | |
1386 (let* ((glyph (cdr-safe (assoc url w3-graphics-list))) | |
1387 image w h d info) | |
1388 (save-excursion | |
1389 (if (or (not glyph) (not (glyphp glyph))) | |
1390 (error "No information available.")) | |
1391 (setq image (glyph-image-instance glyph)) | |
1392 (if (or (not image) (not (image-instance-p image))) | |
1393 (error "No information available.")) | |
1394 (setq w (glyph-width glyph) | |
1395 h (glyph-height glyph) | |
1396 d (image-instance-depth image) | |
1397 info (url-popup-info url) | |
1398 ) | |
1399 (set-buffer (get-buffer-create "*Image Info*")) | |
1400 (erase-buffer) | |
1401 (insert | |
1402 "Information for: " url "\n" | |
1403 (make-string (1- (window-width)) ?-) | |
1404 (format "\n%-20s: %s\n" "Type" (image-instance-type image)) | |
1405 (format "%-20s: %d x %d\n" "Dimensions" w h) | |
1406 (format "%-20s: %d-bit\n" "Color" d)) | |
1407 (set-extent-begin-glyph (make-extent (point) (point)) glyph) | |
1408 (insert | |
1409 "\n" | |
1410 (make-string (1- (window-width)) ?-) | |
1411 (or info "")) | |
1412 (display-buffer (current-buffer) t)))) | |
1413 | |
1414 (defun w3-popup-info (&optional url) | |
1415 "Show information about the link under point. (All SGML attributes)" | |
1416 (interactive (list (w3-read-url-with-default))) | |
1417 (let (dat widget) | |
1418 (if (interactive-p) | |
1419 nil | |
1420 (setq widget (widget-at (point)) | |
1421 dat (and widget (widget-get widget 'attributes)))) | |
1422 (if url | |
1423 (save-excursion | |
1424 (set-buffer (get-buffer-create "*Header Info*")) | |
1425 (erase-buffer) | |
1426 (insert "URL: " url "\n" (make-string (1- (window-width)) ?-) "\n") | |
1427 (if (and dat (listp dat)) | |
1428 (insert | |
1429 "Link attributes:\n" | |
1430 (make-string (1- (window-width)) ?-) "\n" | |
1431 (mapconcat | |
1432 (function | |
1433 (lambda (info) | |
1434 (format "%20s :== %s" (car info) (or (cdr info) "On")))) | |
1435 dat "\n") | |
1436 "\n" (make-string (1- (window-width)) ?-) "\n")) | |
1437 (insert (save-excursion (url-popup-info url))) | |
1438 (goto-char (point-min)) | |
1439 (display-buffer (current-buffer) t)) | |
1440 (message "No URL to get information on!")))) | |
1441 | |
1442 (fset 'w3-document-information-this-url 'w3-popup-info) | |
1443 | |
1444 | |
1445 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1446 ;;; Functions for logging of bad HTML | |
1447 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1448 (defun w3-reconstruct-tag (tagname desc) | |
1449 (concat "<" tagname " " | |
1450 (mapconcat | |
1451 (function (lambda (x) | |
1452 (if (cdr x) | |
1453 (concat (car x) "=\"" (cdr x) "\"") | |
1454 (car x)))) desc " ") ">")) | |
1455 | |
1456 (defun w3-debug-if-found (regexp type desc) | |
1457 (and w3-debug-html | |
1458 (save-excursion | |
1459 (if (re-search-forward regexp nil t) | |
1460 (w3-log-bad-html type desc))))) | |
1461 | |
1462 (defun w3-log-bad-html (type desc) | |
1463 ;; Log bad HTML to the buffer specified by w3-debug-buffer | |
1464 (if w3-debug-html | |
1465 (save-excursion | |
1466 (set-buffer (get-buffer-create w3-debug-buffer)) | |
1467 (goto-char (point-max)) | |
1468 (insert (make-string (1- (window-width)) w3-horizontal-rule-char) "\n") | |
1469 (cond | |
1470 ((stringp type) (insert type "\n" desc "\n")) | |
1471 ((eq type 'bad-quote) | |
1472 (insert "Unterminated quoting character in SGML attribute value.\n" | |
1473 desc "\n")) | |
1474 ((eq type 'no-quote) | |
1475 (insert "Unquoted SGML attribute value.\n" desc "\n")) | |
1476 ((eq type 'no-textarea-end) | |
1477 (insert "Unterminated <textarea> tag.\n" | |
1478 (w3-reconstruct-tag "textarea" desc) "\n")) | |
1479 ((eq type 'bad-link-tag) | |
1480 (insert "Must specify either REL or REV with a <link> tag.\n" | |
1481 (w3-reconstruct-tag "link" desc) "\n")) | |
1482 ((eq type 'no-a-end) | |
1483 (insert "Unterminated <a> tag.\n" | |
1484 (w3-reconstruct-tag "a" desc) "\n")) | |
1485 ((eq type 'no-form-end) | |
1486 (insert "Unterminated <form> tag.\n" | |
1487 (w3-reconstruct-tag "form" desc) "\n")) | |
1488 ((eq type 'bad-base-tag) | |
1489 (insert "Malformed <base> tag.\n" | |
1490 (w3-reconstruct-tag "base" desc) "\n")))))) | |
1491 | |
1492 | |
1493 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1494 ;;; Functions to handle formatting an html buffer | |
1495 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1496 (defun w3-insert-entities-in-string (string) | |
1497 "Convert HTML markup-start characters to entity references in STRING. | |
1498 Also replaces the \" character, so that the result may be safely used as | |
1499 an attribute value in a tag. Returns a new string with the result of the | |
1500 conversion. Replaces these characters as follows: | |
1501 & ==> & | |
1502 < ==> < | |
1503 > ==> > | |
1504 \" ==> "" | |
1505 (if (string-match "[&<>\"]" string) | |
1506 (save-excursion | |
1507 (set-buffer (get-buffer-create " *entity*")) | |
1508 (erase-buffer) | |
1509 (buffer-disable-undo (current-buffer)) | |
1510 (insert string) | |
1511 (goto-char (point-min)) | |
1512 (while (progn | |
1513 (skip-chars-forward "^&<>\"") | |
1514 (not (eobp))) | |
1515 (insert (cdr (assq (char-after (point)) | |
1516 '((?\" . """) | |
1517 (?& . "&") | |
1518 (?< . "<") | |
1519 (?> . ">"))))) | |
1520 (delete-char 1)) | |
1521 (buffer-string)) | |
1522 string)) | |
1523 | |
1524 (defun w3-insert-headers () | |
1525 ;; Insert some HTTP/1.0 headers if necessary | |
1526 (url-lazy-message "Inserting HTTP/1.0 headers...") | |
1527 (let ((hdrs (if (eq t w3-show-headers) (mapcar 'car url-current-mime-headers) | |
1528 w3-show-headers)) | |
1529 x y) | |
1530 (goto-char (setq y (point-max))) | |
1531 (while hdrs | |
1532 (if (setq x (w3-in-assoc (car hdrs) url-current-mime-headers)) | |
1533 (insert "<LI> <B>" (car x) "</B>: " (w3-insert-entities-in-string | |
1534 (if (numberp (cdr x)) | |
1535 (int-to-string (cdr x)) | |
1536 (cdr x))))) | |
1537 (setq hdrs (cdr hdrs))) | |
1538 (if (= y (point-max)) | |
1539 nil | |
1540 (insert "</UL>") | |
1541 (goto-char y) | |
1542 (url-lazy-message "Inserting HTTP/1.0 headers... done.") | |
1543 (insert "<HR><UL>")))) | |
1544 | |
1545 (defun w3-add-delayed-mpeg (src st &optional width height) | |
1546 ;; Add a delayed mpeg for the current buffer. | |
1547 (setq w3-delayed-movies (cons (list src | |
1548 (set-marker (make-marker) st) | |
1549 width height) | |
1550 w3-delayed-movies)) | |
1551 (w3-handle-text (concat "[MPEG(" (url-basepath src t) ")]")) | |
1552 (put-text-property st (point) 'w3mpeg (list 'w3mpeg src st))) | |
1553 | |
1554 (defun w3-add-delayed-graphic (src st align alt args) | |
1555 ;; Add a delayed image for the current buffer. | |
1556 (setq st (set-marker (make-marker) st) | |
1557 w3-delayed-images (cons (list src st align alt args) | |
1558 w3-delayed-images)) | |
1559 (w3-handle-text alt) | |
1560 (if (string= alt "") nil | |
1561 (put-text-property st (point) 'w3delayed t))) | |
1562 | |
1563 | |
1564 (defun w3-load-flavors () | |
1565 ;; Load the correct zone/font info for each flavor of emacs | |
1566 (cond | |
1567 ((and w3-running-xemacs (eq system-type 'ms-windows)) | |
1568 (error "WinEmacs no longer supported.")) | |
1569 (w3-running-xemacs (require 'w3-xemac)) | |
1570 (w3-running-FSF19 (require 'w3-e19)) | |
1571 (t | |
1572 (error "Unable to determine the capabilities of this emacs."))) | |
1573 (cond | |
1574 ((boundp 'MULE) | |
1575 (require 'w3-mule)) | |
1576 ((featurep 'mule) | |
1577 (require 'w3-xem20) | |
1578 )) | |
1579 (condition-case () | |
1580 (require 'w3-site-init) | |
1581 (error nil))) | |
1582 | |
1583 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1584 ;;; Automatic bug submission. ;;; | |
1585 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1586 (defun w3-submit-bug () | |
1587 "Submit a bug on Emacs-w3" | |
1588 (interactive) | |
1589 (require 'reporter) | |
1590 (and (yes-or-no-p "Do you really want to submit a bug on Emacs-w3? ") | |
1591 (let ((url (url-view-url t)) | |
1592 (vars '(window-system | |
1593 window-system-version | |
1594 system-type | |
1595 ange-ftp-version | |
1596 url-gateway-method | |
1597 efs-version | |
1598 ange-ftp-version | |
1599 url-version | |
1600 url-be-asynchronous | |
1601 url))) | |
1602 (if (and url (string= url "file:nil")) (setq url nil)) | |
1603 (mapcar | |
1604 (function | |
1605 (lambda (x) | |
1606 (if (not (and (boundp x) (symbol-value x))) | |
1607 (setq vars (delq x vars))))) vars) | |
1608 (reporter-submit-bug-report w3-bug-address | |
1609 (concat "WWW v" w3-version-number " of " | |
1610 w3-version-date) | |
1611 vars | |
1612 nil nil | |
1613 "Description of Problem:")))) | |
1614 | |
1615 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1616 ;;; Support for searching ;;; | |
1617 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1618 (defun w3-nuke-spaces-in-search (x) | |
1619 "Remove spaces from search strings . . ." | |
1620 (let ((new "")) | |
1621 (while (not (equal x "")) | |
1622 (setq new (concat new (if (= (string-to-char x) 32) "+" | |
1623 (substring x 0 1))) | |
1624 x (substring x 1 nil))) | |
1625 new)) | |
1626 | |
1627 (defun w3-search () | |
1628 "Perform a search, if this is a searchable index." | |
1629 (interactive) | |
1630 (or w3-current-isindex | |
1631 (error "Not a searchable index (via <isindex>)")) | |
1632 (let* (querystring ; The string to send to the server | |
1633 (data | |
1634 (cond | |
1635 ((null w3-current-isindex) | |
1636 (let ((rels (mapcar | |
1637 (function | |
1638 (lambda (data) | |
1639 (if (assoc "rel" data) data))) | |
1640 w3-current-links)) | |
1641 val) | |
1642 (while rels | |
1643 (if (string-match "useindex" | |
1644 (or (cdr (assoc "rel" (car rels))) "")) | |
1645 (setq val (cdr (assoc "href" (car rels))) | |
1646 rels nil)) | |
1647 (setq rels (cdr rels))) | |
1648 (cons val "Search on (+ separates keywords): "))) | |
1649 ((eq w3-current-isindex t) | |
1650 (cons (url-view-url t) "Search on (+ separates keywords): ")) | |
1651 ((consp w3-current-isindex) | |
1652 w3-current-isindex) | |
1653 (t nil))) | |
1654 index) | |
1655 (if (null data) (error "Not a searchable index!")) | |
1656 (setq index (car data)) | |
1657 (setq querystring (w3-nuke-spaces-in-search (read-string (cdr data)))) | |
1658 (if (string-match "\\(.*\\)\\?.*" index) | |
1659 (setq index (url-match index 1))) | |
1660 (w3-fetch | |
1661 (concat index (if (= ?? (string-to-char (substring index -1 nil))) | |
1662 "" "?") querystring)))) | |
1663 | |
1664 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1665 ;;; Auto documentation, etc ;;; | |
1666 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1667 (defun w3-help () | |
1668 "Print documentation on w3 mode." | |
1669 (interactive) | |
1670 (w3-fetch "about:")) | |
1671 | |
1672 (defun w3-version (&optional here) | |
1673 "Show the version number of W3 in the minibuffer. | |
1674 If optional argument HERE is non-nil, insert info at point." | |
1675 (interactive "P") | |
1676 (let ((version-string | |
1677 (format "WWW %s, URL %s, MM %s" | |
1678 w3-version-number | |
1679 url-version | |
1680 mm-version))) | |
1681 (if here | |
1682 (insert version-string) | |
1683 (if (interactive-p) | |
1684 (message "%s" version-string) | |
1685 version-string)))) | |
1686 | |
1687 ;;;###autoload | |
1688 (defun w3 () | |
1689 "Retrieve the default World Wide Web home page. | |
1690 The World Wide Web is a global hypertext system started by CERN in | |
1691 Switzerland in 1991. | |
1692 | |
1693 The home page is specified by the variable w3-default-homepage. The | |
1694 document should be specified by its fully specified Uniform Resource | |
1695 Locator. The document will be parsed as HTML (if appropriate) and | |
1696 displayed in a new buffer." | |
1697 (interactive) | |
1698 (if (not w3-setup-done) (w3-do-setup)) | |
1699 (if (and w3-track-last-buffer | |
1700 (bufferp w3-last-buffer) | |
1701 (buffer-name w3-last-buffer)) | |
1702 (progn | |
1703 (switch-to-buffer w3-last-buffer) | |
1704 (message "Reusing buffer. To reload, type %s." | |
1705 (substitute-command-keys "\\[w3-reload-document]"))) | |
1706 (cond | |
1707 ((null w3-default-homepage) (call-interactively 'w3-fetch)) | |
1708 ((not (stringp w3-default-homepage)) | |
1709 (error "Invalid setting for w3-default-homepage: %S" | |
1710 w3-default-homepage)) | |
1711 ((not (string-match ".*:.*" w3-default-homepage)) | |
1712 (w3-fetch (concat "file:" w3-default-homepage))) | |
1713 (t | |
1714 (w3-fetch w3-default-homepage))))) | |
1715 | |
1716 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1717 ;;; Leftover stuff that didn't quite fit into url.el | |
1718 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1719 | |
1720 (defun w3-generate-error (type data) | |
1721 ;; Generate an HTML error buffer for error TYPE with data DATA. | |
1722 (cond | |
1723 ((equal type "nofile") | |
1724 (let ((error (save-excursion | |
1725 (set-buffer (get-buffer-create " *url-error*")) | |
1726 (buffer-string)))) | |
1727 (if (string= "" error) | |
1728 (setq error | |
1729 (format (concat "The file %s could not be found. " | |
1730 "Either it does not exist, or it " | |
1731 "is unreadable.") data))) | |
1732 (insert "<html>\n <head>\n" | |
1733 " <title>Error</title>\n" | |
1734 " </head>\n <body>\n" | |
1735 " <h1>Error accessing " data "</h1>\n" | |
1736 " <hr>\n <p>" | |
1737 error | |
1738 "\n </p>\n"))) | |
1739 ((equal type "nobuf") | |
1740 (insert "<title>Error</title>\n" | |
1741 "<H1>No buffer " data " found</h1>\n" | |
1742 "<HR>\n" | |
1743 "The buffer " data " could not be found. It has either\n" | |
1744 "been killed or renamed.\n")) | |
1745 ((equal type "nohist") | |
1746 (insert "<TITLE>Error</TITLE>\n" | |
1747 "<H1>No history items found.</H1>\n" | |
1748 "<HR>\n" | |
1749 "There is no history list available at this time. Either\n" | |
1750 "you have not visited any nodes, or the variable <i>\n" | |
1751 "url-keep-history</i> is nil.\n")) | |
1752 ) | |
1753 (insert "<hr>\n" | |
1754 "If you feel this is a bug in Emacs-W3, <a href=\"mailto:" | |
1755 w3-bug-address "\">send mail to " w3-bug-address | |
1756 "</a>\n<hr>")) | |
1757 | |
1758 (defun w3-generate-auto-html (type) | |
1759 ;; Generate one of several automatic html pages | |
1760 (setq url-current-mime-type "text/html" | |
1761 url-current-mime-headers '(("content-type" . "text/html"))) | |
1762 (cond | |
1763 ((equal type "hotlist") | |
1764 (let ((tmp (reverse w3-hotlist))) | |
1765 (insert "<html>\n\t<head>\n\t\t" | |
1766 "<title> Hotlist </title>\n\t</head>\n" | |
1767 "\t<body>\n\t\t<div>\n\t\t\t<h1>Hotlist from " w3-hotlist-file | |
1768 "</h1>\n\t\t\t<ol>\n") | |
1769 (while tmp | |
1770 (insert "\t\t\t\t<li> <a href=\"" (car (cdr (car tmp))) | |
1771 "\">" (w3-insert-entities-in-string | |
1772 (car (car tmp))) "</a></li>\n") | |
1773 (setq tmp (cdr tmp))) | |
1774 (insert "\n\t\t\t</ol>\n\t\t</div>\n\t</body>\n</html>\n"))) | |
1775 ((equal type "starting-points") | |
1776 (let ((tmp w3-starting-documents)) | |
1777 (insert "<html>\n\t<head>\n\t\t" | |
1778 "<title> Starting Points </title>\n\t</head>\n" | |
1779 "\t<body>\n\t\t<div>\n\t\t\t<h1>Starting Point on the Web" | |
1780 "</h1>\n\t\t\t<ol>\n") | |
1781 (while tmp | |
1782 (insert (format "\t\t\t\t<li> <a href=\"%s\">%s</a></li>\n" | |
1783 (car (cdr (car tmp))) | |
1784 (car (car tmp)))) | |
1785 (setq tmp (cdr tmp))) | |
1786 (insert "\n\t\t\t</ol>\n\t\t</div>\n\t</body>\n</html>\n"))) | |
1787 ((equal type "history") | |
1788 (if (not url-history-list) | |
1789 (url-retrieve "www://error/nohist") | |
1790 (insert "<html>\n\t<head>\n\t\t" | |
1791 "<title> History List For This Session of W3</title>" | |
1792 "\n\t</head>\n\t<body>\n\t\t<div>\n\t\t\t<h1>" | |
1793 "History List For This Session of W3</h1>\n\t\t\t<ol>\n") | |
1794 (url-maphash | |
1795 (function | |
1796 (lambda (url desc) | |
1797 (insert (format "\t\t\t\t<li> <a href=\"%s\">%s</a>\n" | |
1798 url (w3-insert-entities-in-string desc))))) | |
1799 url-history-list) | |
1800 (insert "\n\t\t\t</ol>\n\t\t</div>\n\t</body>\n</html>\n"))))) | |
1801 | |
1802 (defun w3-internal-handle-preview (buffer) | |
1803 (setq buffer (get-buffer buffer)) | |
1804 (let ((base (get-text-property (point-min) 'w3-base buffer))) | |
1805 (if base | |
1806 (setq base (url-generic-parse-url base))) | |
1807 (insert-buffer buffer) | |
1808 (if (not base) | |
1809 (setq url-current-type "file" | |
1810 url-current-server nil | |
1811 url-current-file (buffer-file-name buffer)) | |
1812 (setq url-current-object base | |
1813 url-current-type (url-type base) | |
1814 url-current-user (url-user base) | |
1815 url-current-port (url-port base) | |
1816 url-current-server (url-host base) | |
1817 url-current-file (url-filename base))))) | |
1818 | |
1819 (defun w3-internal-url (url) | |
1820 ;; Handle internal urls (previewed buffers, etc) | |
1821 (if (not (string-match "www:/+\\([^/]+\\)/\\(.*\\)" url)) | |
1822 (w3-fetch "www://error/") | |
1823 (let ((type (url-match url 1)) | |
1824 (data (url-match url 2))) | |
1825 (set-buffer (get-buffer-create url-working-buffer)) | |
1826 (setq url-current-type "www" | |
1827 url-current-server type | |
1828 url-current-file data) | |
1829 (cond | |
1830 ((equal type "preview") ; Previewing a document | |
1831 (if (get-buffer data) ; Buffer still exists | |
1832 (w3-internal-handle-preview data) | |
1833 (url-retrieve (concat "www://error/nobuf/" data)))) | |
1834 ((equal type "error") ; Error message | |
1835 (if (string-match "\\([^/]+\\)/\\(.*\\)" data) | |
1836 (w3-generate-error (url-match data 1) (url-match data 2)) | |
1837 (w3-generate-error data ""))) | |
1838 ((equal type "auto") ; Hotlist or help stuff | |
1839 (w3-generate-auto-html data)))))) | |
1840 | |
1841 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1842 ;;; Stuff for good local file handling | |
1843 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1844 (defun w3-ff (file) | |
1845 "Find a file in any window already displaying it, otherwise just as | |
1846 display-buffer, and using this function" | |
1847 (if (not (eq 'tty (device-type))) | |
1848 (let ((f (window-frame (display-buffer (find-file-noselect file))))) | |
1849 (set-mouse-position f 1 0) | |
1850 (raise-frame f) | |
1851 (unfocus-frame)) | |
1852 (display-buffer (find-file-noselect file)))) | |
1853 | |
1854 (defun w3-default-local-file() | |
1855 "Use find-file to open the local file" | |
1856 (w3-ff url-current-file)) | |
1857 | |
1858 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1859 ;;; Mode definition ;;; | |
1860 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
1861 (defun w3-search-forward (string) | |
1862 (interactive "sSearch: ") | |
1863 (setq w3-last-search-item string) | |
1864 (if (and (not (search-forward string nil t)) | |
1865 (funcall url-confirmation-func | |
1866 "End of document reached; continue from beginning? ")) | |
1867 (progn | |
1868 (goto-char (point-min)) | |
1869 (w3-search-forward string)))) | |
1870 | |
1871 (defun w3-search-again () | |
1872 (interactive) | |
1873 (if (and w3-last-search-item | |
1874 (stringp w3-last-search-item)) | |
1875 (if (and (not (search-forward w3-last-search-item nil t)) | |
1876 (funcall url-confirmation-func | |
1877 "End of document reached; continue from beginning? ")) | |
1878 (progn | |
1879 (goto-char (point-min)) | |
1880 (w3-search-again))))) | |
1881 | |
1882 (defun w3-find-specific-link (link) | |
1883 (let ((pos (assq (intern link) w3-id-positions))) | |
1884 (if pos | |
1885 (progn | |
1886 (goto-char (cdr pos)) | |
1887 (if (and (eolp) (not (eobp))) | |
1888 (forward-char 1))) | |
1889 (error "Link #%s not found." link)))) | |
1890 | |
1891 (defun w3-force-reload-document () | |
1892 "Reload the current document. Take it from the network, even if | |
1893 cached and in local mode." | |
1894 (let ((url-standalone-mode nil)) | |
1895 (w3-reload-document))) | |
1896 | |
1897 (defun w3-reload-document () | |
1898 "Reload the current document" | |
1899 (interactive) | |
1900 (let ((tmp (url-view-url t)) | |
1901 (pnt (point)) | |
1902 (window-start (progn | |
1903 (move-to-window-line 0) | |
1904 (point))) | |
1905 (url-request-extra-headers '(("Pragma" . "no-cache")))) | |
1906 (kill-buffer (current-buffer)) | |
1907 (w3-fetch tmp) | |
1908 (goto-char pnt) | |
1909 (set-window-start (selected-window) (min window-start (point-max))))) | |
1910 | |
1911 (defun w3-leave-buffer () | |
1912 "Bury this buffer, but don't kill it." | |
1913 (interactive) | |
1914 (let ((x w3-current-last-buffer)) | |
1915 (bury-buffer nil) | |
1916 (if (and (bufferp x) (buffer-name x)) | |
1917 (w3-notify-when-ready x)))) | |
1918 | |
1919 (defun w3-quit (&optional mega) | |
1920 "Quit WWW mode" | |
1921 (interactive "P") | |
1922 (if mega | |
1923 (mapcar | |
1924 (function | |
1925 (lambda (x) | |
1926 (save-excursion | |
1927 (set-buffer (get-buffer x)) | |
1928 (if (eq major-mode 'w3-mode) | |
1929 (w3-quit nil))))) | |
1930 (buffer-list)) | |
1931 (let ((x w3-current-last-buffer)) | |
1932 (and (fboundp 'w3-mpeg-kill-processes) (w3-mpeg-kill-processes)) | |
1933 (kill-buffer (current-buffer)) | |
1934 (if (and (bufferp x) (buffer-name x)) | |
1935 (w3-notify-when-ready x))))) | |
1936 | |
1937 (defun w3-view-this-url (&optional no-show) | |
1938 "View the URL of the link under point" | |
1939 (interactive) | |
1940 (let* ((widget (widget-at (point))) | |
1941 (href (and widget (widget-get widget 'href)))) | |
1942 (cond | |
1943 ((and no-show href) | |
1944 href) | |
1945 (href | |
1946 (message "%s" (url-truncate-url-for-viewing href))) | |
1947 (no-show | |
1948 nil) | |
1949 (t | |
1950 nil)))) | |
1951 | |
1952 (defun w3-load-delayed-images () | |
1953 "Load inlined images that were delayed, if necessary. | |
1954 This function searches through `w3-delayed-images' and fetches the | |
1955 appropriate picture for each point in the buffer and inserts it." | |
1956 (interactive) | |
1957 (and (fboundp 'w3-insert-graphic) | |
1958 (let ((buffer-read-only nil)) | |
1959 (mapcar (function (lambda (data) (apply 'w3-insert-graphic data))) | |
1960 (nreverse w3-delayed-images)))) | |
1961 (setq w3-delayed-images nil)) | |
1962 | |
1963 (defun w3-save-this-url () | |
1964 "Save url under point in the kill ring" | |
1965 (interactive) | |
1966 (w3-save-url t)) | |
1967 | |
1968 (defun w3-save-url (under-pt) | |
1969 "Save current url in the kill ring" | |
1970 (interactive "P") | |
1971 (let ((x (cond | |
1972 ((stringp under-pt) under-pt) | |
1973 (under-pt (w3-view-this-url t)) | |
1974 (t (url-view-url t))))) | |
1975 (if x | |
1976 (progn | |
1977 (setq kill-ring (cons x kill-ring)) | |
1978 (setq kill-ring-yank-pointer kill-ring) | |
1979 (message "Stored URL in kill-ring.") | |
1980 (if (fboundp 'w3-store-in-clipboard) | |
1981 (w3-store-in-clipboard x))) | |
1982 (error "No URL to store.")))) | |
1983 | |
1984 (fset 'w3-end-of-document 'end-of-buffer) | |
1985 (fset 'w3-start-of-document 'beginning-of-buffer) | |
1986 | |
1987 (defun w3-scroll-up (&optional lines) | |
1988 "Scroll forward in View mode, or exit if end of text is visible. | |
1989 No arg means whole window full. Arg is number of lines to scroll." | |
1990 (interactive "P") | |
1991 (if (and (pos-visible-in-window-p (point-max)) | |
1992 ;; Allow scrolling backward at the end of the buffer. | |
1993 (or (null lines) | |
1994 (> lines 0))) | |
1995 nil | |
1996 (let ((view-lines (1- (window-height)))) | |
1997 (setq lines | |
1998 (if lines (prefix-numeric-value lines) | |
1999 view-lines)) | |
2000 (if (>= lines view-lines) | |
2001 (scroll-up nil) | |
2002 (if (>= (- lines) view-lines) | |
2003 (scroll-down nil) | |
2004 (scroll-up lines))) | |
2005 (cond ((pos-visible-in-window-p (point-max)) | |
2006 (goto-char (point-max)) | |
2007 (recenter -1))) | |
2008 (move-to-window-line -1) | |
2009 (beginning-of-line)))) | |
2010 | |
2011 (defun w3-mail-document-author () | |
2012 "Send mail to the author of this document, if possible." | |
2013 (interactive) | |
2014 (let ((x w3-current-links) | |
2015 (y nil) | |
2016 (found nil)) | |
2017 (setq found (cdr-safe (assoc "reply-to" url-current-mime-headers))) | |
2018 (if (and found (not (string-match url-nonrelative-link found))) | |
2019 (setq found (concat "mailto:" found))) | |
2020 (while (and x (not found)) | |
2021 (setq y (car x) | |
2022 x (cdr x) | |
2023 found (cdr-safe (assoc "made" y)))) | |
2024 (if found | |
2025 (let ((possible nil)) | |
2026 (setq x (car found)) ; Fallback if no mail(to|server) found | |
2027 (while found | |
2028 (if (string-match "^mail[^:]+:" (car found)) | |
2029 (setq possible (cons (car found) possible))) | |
2030 (setq found (cdr found))) | |
2031 (case (length possible) | |
2032 (0 ; No mailto links found | |
2033 (w3-fetch x)) ; fall back onto first 'made' link | |
2034 (1 ; Only one found, get it | |
2035 (w3-fetch (car possible))) | |
2036 (otherwise | |
2037 (w3-fetch (completing-read "Choose an address: " | |
2038 (mapcar 'list possible) | |
2039 nil t (car possible)))))) | |
2040 (message "Could not automatically determine authors address, sorry.") | |
2041 (sit-for 1) | |
2042 (w3-fetch (concat "mailto:" | |
2043 (read-string "Email address: " | |
2044 (if url-current-server | |
2045 (concat "@" url-current-server)))))))) | |
2046 | |
2047 (defun w3-kill-emacs-func () | |
2048 "Routine called when exiting emacs. Do miscellaneous clean up." | |
2049 (and (eq url-keep-history t) | |
2050 url-global-history-hash-table | |
2051 (url-write-global-history)) | |
2052 (message "Cleaning up w3 storage...") | |
2053 (let ((x (nconc | |
2054 (and (file-exists-p w3-temporary-directory) | |
2055 (directory-files w3-temporary-directory t "url-tmp.*")) | |
2056 (and (file-exists-p url-temporary-directory) | |
2057 (directory-files url-temporary-directory t | |
2058 (concat "url" | |
2059 (int-to-string | |
2060 (user-real-uid)) ".*"))) | |
2061 (and (file-exists-p url-temporary-directory) | |
2062 (directory-files url-temporary-directory t "url-tmp.*"))))) | |
2063 (while x | |
2064 (condition-case () | |
2065 (delete-file (car x)) | |
2066 (error nil)) | |
2067 (setq x (cdr x)))) | |
2068 (message "Cleaning up w3 storage... done.")) | |
2069 | |
2070 (cond | |
2071 ((fboundp 'display-warning) | |
2072 (fset 'w3-warn 'display-warning)) | |
2073 ((fboundp 'warn) | |
2074 (defun w3-warn (class message &optional level) | |
2075 (if (and (eq class 'html) | |
2076 (not w3-debug-html)) | |
2077 nil | |
2078 (warn "(%s/%s) %s" class (or level 'warning) message)))) | |
2079 (t | |
2080 (defun w3-warn (class message &optional level) | |
2081 (if (and (eq class 'html) | |
2082 (not w3-debug-html)) | |
2083 nil | |
2084 (save-excursion | |
2085 (set-buffer (get-buffer-create "*W3-WARNINGS*")) | |
2086 (goto-char (point-max)) | |
2087 (save-excursion | |
2088 (insert (format "(%s/%s) %s\n" class (or level 'warning) message))) | |
2089 (display-buffer (current-buffer))))))) | |
2090 | |
2091 (defun w3-internal-expander (urlobj defobj) | |
2092 ;; URL Expansion routine for internally handled routines | |
2093 (url-identity-expander urlobj defobj)) | |
2094 | |
2095 (defun w3-map-links (function &optional buffer from to maparg) | |
2096 "Map FUNCTION over the hypertext links which overlap region in BUFFER, | |
2097 starting at FROM and ending at TO. FUNCTION is called with the arguments | |
2098 WIDGET and MAPARG. | |
2099 The arguments FROM, TO, MAPARG, and BUFFER default to the beginning of | |
2100 BUFFER, the end of BUFFER, nil, and (current-buffer), respectively." | |
2101 (let ((cur (point-min)) | |
2102 (widget nil) | |
2103 (url nil)) | |
2104 (while (setq cur (next-single-property-change cur 'button)) | |
2105 (setq widget (widget-at cur)) | |
2106 ;; Check to see if its a push widget, its got the correct callback, | |
2107 ;; and actually has a URL. Remember the url as a side-effect of the | |
2108 ;; test for later use. | |
2109 (if (and (eq (car widget) 'push) | |
2110 (eq (widget-get widget :notify) 'w3-follow-hyperlink) | |
2111 (setq url (widget-get widget 'href))) | |
2112 (funcall function widget maparg))))) | |
2113 | |
2114 (defun w3-emit-image-warnings-if-necessary () | |
2115 (if (and (not w3-delay-image-loads) | |
2116 (fboundp 'w3-insert-graphic) | |
2117 (or (not (featurep 'gif)) | |
2118 (not (featurep 'jpeg))) | |
2119 (not (w3-executable-exists-in-path "ppmtoxpm")) | |
2120 (not (or | |
2121 (w3-executable-exists-in-path "pbmtoxbm") | |
2122 (w3-executable-exists-in-path "ppmtoxbm")))) | |
2123 (w3-warn | |
2124 'image | |
2125 (concat | |
2126 "Could not find some vital ppm utilities in exec-path.\n" | |
2127 "This probably means that you will be unable to view any\n" | |
2128 "inlined images other than: " | |
2129 (mapconcat | |
2130 (function | |
2131 (lambda (x) | |
2132 (if (featurep x) (concat (symbol-name x) ",\n")))) | |
2133 '(png jpg gif xpm xbm) "") | |
2134 "\n\n" | |
2135 "If you do not have the PPM utilities from either the PBMPLUS\n" | |
2136 "or NETPBM distributions installed on your machine, then\n" | |
2137 "please set the variable `w3-delay-image-loads' to t with a\n" | |
2138 "line like:\n\n" | |
2139 "\t(setq w3-delay-image-loads t)\n\n" | |
2140 "in your ~/.emacs file.\n\n" | |
2141 "You can find the NETPBM utilities in:\n" | |
2142 "\tftp://ftp.cs.indiana.edu/pub/elisp/w3/images/\n" | |
2143 )))) | |
2144 | |
2145 (defun w3-find-default-stylesheets () | |
2146 (let* ((lightp (w3-color-light-p 'default)) | |
2147 (longname (if lightp "stylesheet-light" "stylesheet-dark")) | |
2148 (shortname (if lightp "light.css" "dark.css")) | |
2149 (directories (list | |
2150 data-directory | |
2151 (concat data-directory "w3/") | |
2152 (file-name-directory (locate-library "w3")) | |
2153 w3-configuration-directory)) | |
2154 (total-found 0) | |
2155 (possible (append | |
2156 (apply | |
2157 'append | |
2158 (mapcar | |
2159 (function | |
2160 (lambda (dir) | |
2161 (list | |
2162 (expand-file-name shortname dir) | |
2163 (expand-file-name longname dir) | |
2164 (expand-file-name "stylesheet" dir) | |
2165 (expand-file-name "default.css" dir)))) | |
2166 directories)) | |
2167 (list w3-default-stylesheet))) | |
2168 (remember possible) | |
2169 (old-asynch (default-value 'url-be-asynchronous)) | |
2170 (found nil) | |
2171 (cur nil) | |
2172 (url nil)) | |
2173 (setq-default url-be-asynchronous nil) | |
2174 (while possible | |
2175 (setq cur (car possible) | |
2176 possible (cdr possible) | |
2177 found (and cur (file-exists-p cur) (file-readable-p cur) | |
2178 (not (file-directory-p cur)) cur)) | |
2179 (if found | |
2180 (setq total-found (1+ total-found) | |
2181 w3-user-stylesheet (car | |
2182 (w3-style-parse-css | |
2183 (concat "file:" cur) nil | |
2184 w3-user-stylesheet))))) | |
2185 (setq-default url-be-asynchronous old-asynch) | |
2186 (if (= 0 total-found) | |
2187 (w3-warn | |
2188 'style | |
2189 (concat | |
2190 "No stylesheets found! Check configuration! DANGER DANGER!\n" | |
2191 "Emacs-W3 checked for its stylesheet in the following places\n" | |
2192 "and did not find one. This means that some formatting will\n" | |
2193 "be wrong, and most colors and fonts will not be set up correctly.\n" | |
2194 "------\n" | |
2195 (mapconcat 'identity remember "\n") | |
2196 "------"))))) | |
2197 | |
2198 ;;;###autoload | |
2199 (defun w3-do-setup () | |
2200 "Do setup - this is to avoid conflict with user settings when W3 is | |
2201 dumped with emacs." | |
2202 (url-do-setup) | |
2203 (url-register-protocol 'about 'w3-about 'url-identity-expander) | |
2204 (url-register-protocol 'www 'w3-internal-url 'w3-internal-expander) | |
2205 (w3-load-flavors) | |
2206 (w3-setup-version-specifics) | |
2207 (setq w3-default-configuration-file (expand-file-name | |
2208 (or w3-default-configuration-file | |
2209 "profile") | |
2210 w3-configuration-directory)) | |
2211 | |
2212 | |
2213 (if (and w3-default-configuration-file | |
2214 (file-exists-p w3-default-configuration-file)) | |
2215 (condition-case e | |
2216 (load w3-default-configuration-file nil t) | |
2217 (error | |
2218 (let ((buf-name " *Configuration Error*")) | |
2219 (if (get-buffer buf-name) | |
2220 (kill-buffer (get-buffer buf-name))) | |
2221 (display-error e (get-buffer-create buf-name)) | |
2222 (save-excursion | |
2223 (switch-to-buffer-other-window buf-name) | |
2224 (shrink-window-if-larger-than-buffer)) | |
2225 (w3-warn 'configuration | |
2226 (format (eval-when-compile | |
2227 (concat | |
2228 "Configuration file `%s' contains an error.\n" | |
2229 "Please consult the `%s' buffer for details.")) | |
2230 w3-default-configuration-file buf-name)))))) | |
2231 | |
2232 (setq w3-netscape-configuration-file | |
2233 (cond | |
2234 (w3-netscape-configuration-file | |
2235 w3-netscape-configuration-file) | |
2236 ((memq system-type '(ms-dos ms-windows)) | |
2237 (expand-file-name "~/NETSCAPE.CFG")) | |
2238 (t (expand-file-name "~/.netscape/preferences")))) | |
2239 | |
2240 (if (and (eq w3-user-colors-take-precedence 'guess) | |
2241 (not (eq (device-type) 'tty)) | |
2242 (not (eq (device-class) 'mono))) | |
2243 (progn | |
2244 (setq w3-user-colors-take-precedence t) | |
2245 (w3-warn | |
2246 'html | |
2247 "Disabled document color specification because of mono display.")) | |
2248 (setq w3-user-colors-take-precedence nil)) | |
2249 | |
2250 (w3-find-default-stylesheets) | |
2251 (if (not url-global-history-file) | |
2252 (setq url-global-history-file | |
2253 (expand-file-name "history" | |
2254 w3-configuration-directory))) | |
2255 | |
2256 (if w3-user-stylesheet | |
2257 (w3-generate-stylesheet-faces w3-user-stylesheet)) | |
2258 | |
2259 (if (and w3-use-netscape-configuration-file | |
2260 w3-netscape-configuration-file | |
2261 (fboundp 'w3-read-netscape-config)) | |
2262 (w3-read-netscape-config w3-netscape-configuration-file)) | |
2263 | |
2264 (add-minor-mode 'w3-netscape-emulation-minor-mode " NS" | |
2265 w3-netscape-emulation-minor-mode-map) | |
2266 (add-minor-mode 'w3-annotation-minor-mode " Annotating" | |
2267 w3-annotation-minor-mode-map) | |
2268 (add-minor-mode 'w3-lynx-emulation-minor-mode " Lynx" | |
2269 w3-annotation-minor-mode-map) | |
2270 | |
2271 (setq url-package-version w3-version-number | |
2272 url-package-name "Emacs-W3") | |
2273 | |
2274 (w3-emit-image-warnings-if-necessary) | |
2275 (if (eq w3-color-use-reducing 'guess) | |
2276 (setq w3-color-use-reducing | |
2277 (cond | |
2278 ((eq (device-type) 'tty) nil) | |
2279 ((fboundp 'device-class) | |
2280 (not (and (memq (device-class) '(TrueColor true-color)) | |
2281 (<= 16 (or (device-bitplanes) 0))))) | |
2282 (t t)))) | |
2283 | |
2284 (cond | |
2285 ((memq system-type '(ms-dos ms-windows)) | |
2286 (setq w3-documents-menu-file (or w3-documents-menu-file | |
2287 (expand-file-name "~/mosaic.mnu")) | |
2288 w3-hotlist-file (or w3-hotlist-file | |
2289 (expand-file-name "~/mosaic.hot")) | |
2290 w3-personal-annotation-directory (or w3-personal-annotation-directory | |
2291 (expand-file-name | |
2292 "~/mosaic.ann")))) | |
2293 ((memq system-type '(axp-vms vax-vms)) | |
2294 (setq w3-documents-menu-file | |
2295 (or w3-documents-menu-file | |
2296 (expand-file-name "decw$system_defaults:documents.menu")) | |
2297 w3-hotlist-file (or w3-hotlist-file | |
2298 (expand-file-name "~/mosaic.hotlist-default")) | |
2299 w3-personal-annotation-directory | |
2300 (or w3-personal-annotation-directory | |
2301 (expand-file-name "~/mosaic-annotations/")))) | |
2302 (t | |
2303 (setq w3-documents-menu-file | |
2304 (or w3-documents-menu-file | |
2305 (expand-file-name "/usr/local/lib/mosaic/documents.menu")) | |
2306 w3-hotlist-file (or w3-hotlist-file | |
2307 (expand-file-name "~/.mosaic-hotlist-default")) | |
2308 w3-personal-annotation-directory | |
2309 (or w3-personal-annotation-directory | |
2310 (expand-file-name "~/.mosaic-personal-annotations"))))) | |
2311 | |
2312 (if (eq w3-delimit-emphasis 'guess) | |
2313 (setq w3-delimit-emphasis | |
2314 (and (not w3-running-xemacs) | |
2315 (not (and w3-running-FSF19 | |
2316 (memq (device-type) '(x ns pm))))))) | |
2317 | |
2318 (if (eq w3-delimit-links 'guess) | |
2319 (setq w3-delimit-links | |
2320 (and (not w3-running-xemacs) | |
2321 (not (and w3-running-FSF19 | |
2322 (memq (device-type) '(x ns pm))))))) | |
2323 | |
2324 ; Set up a hook that will save the history list when | |
2325 ; exiting emacs | |
2326 (add-hook 'kill-emacs-hook 'w3-kill-emacs-func) | |
2327 | |
2328 (mm-parse-mailcaps) | |
2329 (mm-parse-mimetypes) | |
2330 | |
2331 ; Load in the hotlist if they haven't set it already | |
2332 (or w3-hotlist (w3-parse-hotlist)) | |
2333 | |
2334 ; Load in their personal annotations if they haven't set them already | |
2335 (or w3-personal-annotations (w3-parse-personal-annotations)) | |
2336 | |
2337 ; Set the default home page, honoring their defaults, then | |
2338 ; the standard WWW_HOME, then default to the documentation @ IU | |
2339 (or w3-default-homepage | |
2340 (setq w3-default-homepage | |
2341 (or (getenv "WWW_HOME") | |
2342 "http://www.cs.indiana.edu/elisp/w3/docs.html"))) | |
2343 | |
2344 ; Set up the documents menu | |
2345 (w3-parse-docs-menu) | |
2346 | |
2347 ; Set up the entity definition for PGP and PEM authentication | |
2348 | |
2349 (run-hooks 'w3-load-hook) | |
2350 (setq w3-setup-done t)) | |
2351 | |
2352 (defun w3-mark-link-as-followed (ext dat) | |
2353 ;; Mark a link as followed | |
2354 (let* ((st (w3-zone-start ext)) | |
2355 (nd (w3-zone-end ext)) | |
2356 (tag 'a) | |
2357 (args (list (cons 'class "visited"))) | |
2358 (face (cdr (w3-face-for-element)))) | |
2359 (w3-add-zone st nd face dat t))) | |
2360 | |
2361 (defun w3-only-links () | |
2362 (let* (result temp) | |
2363 (if (widget-at (point-min)) | |
2364 (setq result (list (widget-at (point-min))))) | |
2365 (setq temp (w3-next-widget (point-min))) | |
2366 (while temp | |
2367 (if (widget-get temp 'href) | |
2368 (setq result (cons temp result))) | |
2369 (setq temp (w3-next-widget (widget-get temp :to)))) | |
2370 result)) | |
2371 | |
2372 (defun w3-download-callback (fname buff) | |
2373 (if (and (get-buffer buff) (buffer-name buff)) | |
2374 (save-excursion | |
2375 (set-buffer buff) | |
2376 (let ((require-final-newline nil) | |
2377 (file-name-handler-alist nil) | |
2378 (write-file-hooks nil) | |
2379 (write-contents-hooks nil)) | |
2380 (if (featurep 'mule) | |
2381 (let ((mc-flag t)) | |
2382 (write-file fname nil *noconv*)) | |
2383 (write-file fname)) | |
2384 (message "Download of %s complete." (url-view-url t)) | |
2385 (sit-for 3) | |
2386 (kill-buffer buff))))) | |
2387 | |
2388 (defun w3-download-url (url) | |
2389 (let* ((old-asynch url-be-asynchronous) | |
2390 (url-inhibit-uncompression t) | |
2391 (url-mime-accept-string "*/*") | |
2392 (urlobj (url-generic-parse-url url)) | |
2393 (url-working-buffer | |
2394 (generate-new-buffer (concat " *" url " download*"))) | |
2395 (stub-fname (url-basepath (or (url-filename urlobj) "") t)) | |
2396 (fname (read-file-name "Filename to save as: " | |
2397 (or mm-download-directory "~/") | |
2398 (concat (or mm-download-directory "~/") | |
2399 stub-fname) | |
2400 nil | |
2401 stub-fname))) | |
2402 (setq-default url-be-asynchronous t) | |
2403 (save-excursion | |
2404 (set-buffer url-working-buffer) | |
2405 (setq url-current-callback-data (list fname (current-buffer)) | |
2406 url-be-asynchronous t | |
2407 url-current-callback-func 'w3-download-callback) | |
2408 (url-retrieve url)) | |
2409 (setq-default url-be-asynchronous old-asynch))) | |
2410 | |
2411 ;;;###autoload | |
2412 (defun w3-follow-link-other-frame (&optional p) | |
2413 "Attempt to follow the hypertext reference under point in a new frame. | |
2414 With prefix-arg P, ignore viewers and dump the link straight | |
2415 to disk." | |
2416 (cond | |
2417 ((and (fboundp 'make-frame) | |
2418 (fboundp 'select-frame)) | |
2419 (let ((frm (make-frame))) | |
2420 (select-frame frm) | |
2421 (w3-follow-link p))) | |
2422 (t (w3-follow-link p)))) | |
2423 | |
2424 ;;;###autoload | |
2425 (defun w3-follow-link (&optional p) | |
2426 "Attempt to follow the hypertext reference under point. | |
2427 With prefix-arg P, ignore viewers and dump the link straight | |
2428 to disk." | |
2429 (interactive "P") | |
2430 (let* ((widget (widget-at (point))) | |
2431 (href (and widget (widget-get widget 'href)))) | |
2432 (cond | |
2433 ((null href) nil) | |
2434 ((or p w3-dump-to-disk) | |
2435 (w3-download-url href)) | |
2436 (t | |
2437 (w3-fetch href))))) | |
2438 | |
2439 (defun w3-complete-link () | |
2440 "Choose a link from the current buffer and follow it" | |
2441 (interactive) | |
2442 (let (links-alist | |
2443 link-at-point | |
2444 choice | |
2445 (completion-ignore-case t)) | |
2446 (setq link-at-point (widget-at (point)) | |
2447 link-at-point (and | |
2448 link-at-point | |
2449 (widget-get link-at-point 'href) | |
2450 (w3-fix-spaces | |
2451 (buffer-substring | |
2452 (car (widget-get link-at-point 'title)) | |
2453 (cdr (widget-get link-at-point 'title)))))) | |
2454 (w3-map-links (function | |
2455 (lambda (widget arg) | |
2456 (setq links-alist (cons | |
2457 (cons | |
2458 (w3-fix-spaces | |
2459 (buffer-substring-no-properties | |
2460 (widget-get widget :from) | |
2461 (widget-get widget :to))) | |
2462 (widget-get widget 'href)) | |
2463 links-alist))))) | |
2464 (if (not links-alist) (error "No links in current document.")) | |
2465 (setq links-alist (sort links-alist (function | |
2466 (lambda (x y) | |
2467 (string< (car x) (car y)))))) | |
2468 ;; Destructively remove duplicate entries from links-alist. | |
2469 (let ((remaining-links links-alist)) | |
2470 (while remaining-links | |
2471 (if (equal (car remaining-links) (car (cdr remaining-links))) | |
2472 (setcdr remaining-links (cdr (cdr remaining-links))) | |
2473 (setq remaining-links (cdr remaining-links))))) | |
2474 (setq choice (completing-read | |
2475 (if link-at-point | |
2476 (concat "Link (default " | |
2477 (if (< (length link-at-point) 20) | |
2478 link-at-point | |
2479 (concat | |
2480 (substring link-at-point 0 17) "...")) | |
2481 "): ") | |
2482 "Link: ") links-alist nil t)) | |
2483 (if (string= choice "") | |
2484 (w3-follow-link) | |
2485 (w3-fetch (cdr (assoc choice links-alist)))))) | |
2486 | |
2487 (defun w3-mode () | |
2488 "Mode for viewing HTML documents. If called interactively, will | |
2489 display the current buffer as HTML. | |
2490 | |
2491 Current keymap is: | |
2492 \\{w3-mode-map}" | |
2493 (interactive) | |
2494 (or w3-setup-done (w3-do-setup)) | |
2495 (if (interactive-p) | |
2496 (w3-preview-this-buffer) | |
2497 (let ((tmp (mapcar (function (lambda (x) (cons x (symbol-value x)))) | |
2498 w3-persistent-variables))) | |
2499 (kill-all-local-variables) | |
2500 (use-local-map w3-mode-map) | |
2501 (setq major-mode 'w3-mode) | |
2502 (setq mode-name "WWW") | |
2503 (mapcar (function (lambda (x) (set-variable (car x) (cdr x)))) tmp) | |
2504 (w3-mode-version-specifics) | |
2505 (w3-menu-install-menus) | |
2506 (run-hooks 'w3-mode-hook) | |
2507 (widget-setup) | |
2508 (setq url-current-passwd-count 0 | |
2509 mode-line-format w3-modeline-format) | |
2510 (if (and w3-current-isindex (equal url-current-type "http")) | |
2511 (setq mode-line-process "-Searchable"))))) | |
2512 | |
2513 (require 'mm) | |
2514 (require 'url) | |
2515 (require 'url-hash) | |
2516 (require 'w3-parse) | |
2517 (require 'w3-draw) | |
2518 (require 'w3-auto) | |
2519 (require 'w3-emulate) | |
2520 (require 'w3-menu) | |
2521 (require 'w3-mouse) | |
2522 (provide 'w3) |