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1caf38eb | 1 | ;;; sgml-mode.el --- SGML- and HTML-editing modes |
72c0ae01 | 2 | |
aa7a8f0e | 3 | ;; Copyright (C) 1992, 1995, 1996, 1998 Free Software Foundation, Inc. |
6d74b528 | 4 | |
64ae0c23 | 5 | ;; Author: James Clark <jjc@jclark.com> |
3e910376 | 6 | ;; Adapted-By: ESR, Daniel Pfeiffer <occitan@esperanto.org>, |
a391b179 | 7 | ;; F.Potorti@cnuce.cnr.it |
1caf38eb | 8 | ;; Keywords: wp, hypermedia, comm, languages |
72c0ae01 | 9 | |
72c0ae01 ER |
10 | ;; This file is part of GNU Emacs. |
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 | |
7c938215 | 14 | ;; the Free Software Foundation; either version 2, or (at your option) |
72c0ae01 ER |
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 | |
b578f267 EN |
23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
24 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
25 | ;; Boston, MA 02111-1307, USA. | |
72c0ae01 ER |
26 | |
27 | ;;; Commentary: | |
28 | ||
1caf38eb RS |
29 | ;; Configurable major mode for editing document in the SGML standard general |
30 | ;; markup language. As an example contains a mode for editing the derived | |
31 | ;; HTML hypertext markup language. | |
72c0ae01 ER |
32 | |
33 | ;;; Code: | |
34 | ||
b0a377e6 DL |
35 | (eval-when-compile (require 'skeleton)) |
36 | ||
64ae0c23 RS |
37 | (defgroup sgml nil |
38 | "SGML editing mode" | |
39 | :group 'languages) | |
40 | ||
d10447ba | 41 | (defcustom sgml-transformation 'identity |
a391b179 RS |
42 | "*Default value for `skeleton-transformation' (which see) in SGML mode." |
43 | :type 'function | |
c60e7b0d | 44 | :group 'sgml) |
a391b179 RS |
45 | |
46 | (put 'sgml-transformation 'variable-interactive | |
47 | "aTransformation function: ") | |
48 | ||
1caf38eb RS |
49 | ;; As long as Emacs' syntax can't be complemented with predicates to context |
50 | ;; sensitively confirm the syntax of characters, we have to live with this | |
51 | ;; kludgy kind of tradeoff. | |
21a6f23c | 52 | (defvar sgml-specials '(?\") |
f788776c | 53 | "List of characters that have a special meaning for SGML mode. |
1caf38eb RS |
54 | This list is used when first loading the sgml-mode library. |
55 | The supported characters and potential disadvantages are: | |
56 | ||
57 | ?\\\" Makes \" in text start a string. | |
58 | ?' Makes ' in text start a string. | |
59 | ?- Makes -- in text start a comment. | |
60 | ||
4fa91cfe | 61 | When only one of ?\\\" or ?' are included, \"'\" or '\"', as can be found in |
1caf38eb | 62 | DTDs, start a string. To partially avoid this problem this also makes these |
21a6f23c RS |
63 | self insert as named entities depending on `sgml-quick-keys'. |
64 | ||
65 | Including ?- has the problem of affecting dashes that have nothing to do | |
66 | with comments, so we normally turn it off.") | |
fcc3195e RS |
67 | |
68 | (defvar sgml-quick-keys nil | |
f788776c RS |
69 | "Use <, >, &, SPC and `sgml-specials' keys \"electrically\" when non-nil. |
70 | This takes effect when first loading the sgml-mode library.") | |
1caf38eb RS |
71 | |
72 | ||
73 | (defvar sgml-mode-map | |
74 | (let ((map (list 'keymap (make-vector 256 nil))) | |
75 | (menu-map (make-sparse-keymap "SGML"))) | |
76 | (define-key map "\t" 'indent-relative-maybe) | |
77 | (define-key map "\C-c\C-i" 'sgml-tags-invisible) | |
78 | (define-key map "/" 'sgml-slash) | |
fcc3195e RS |
79 | (define-key map "\C-c\C-n" 'sgml-name-char) |
80 | (define-key map "\C-c\C-t" 'sgml-tag) | |
1caf38eb RS |
81 | (define-key map "\C-c\C-a" 'sgml-attributes) |
82 | (define-key map "\C-c\C-b" 'sgml-skip-tag-backward) | |
83 | (define-key map [?\C-c left] 'sgml-skip-tag-backward) | |
84 | (define-key map "\C-c\C-f" 'sgml-skip-tag-forward) | |
85 | (define-key map [?\C-c right] 'sgml-skip-tag-forward) | |
86 | (define-key map "\C-c\C-d" 'sgml-delete-tag) | |
87 | (define-key map "\C-c\^?" 'sgml-delete-tag) | |
88 | (define-key map "\C-c?" 'sgml-tag-help) | |
1caf38eb RS |
89 | (define-key map "\C-c8" 'sgml-name-8bit-mode) |
90 | (define-key map "\C-c\C-v" 'sgml-validate) | |
fcc3195e RS |
91 | (if sgml-quick-keys |
92 | (progn | |
93 | (define-key map "&" 'sgml-name-char) | |
94 | (define-key map "<" 'sgml-tag) | |
95 | (define-key map " " 'sgml-auto-attributes) | |
96 | (define-key map ">" 'sgml-maybe-end-tag) | |
97 | (if (memq ?\" sgml-specials) | |
98 | (define-key map "\"" 'sgml-name-self)) | |
99 | (if (memq ?' sgml-specials) | |
100 | (define-key map "'" 'sgml-name-self)))) | |
1caf38eb RS |
101 | (let ((c 127) |
102 | (map (nth 1 map))) | |
103 | (while (< (setq c (1+ c)) 256) | |
104 | (aset map c 'sgml-maybe-name-self))) | |
105 | (define-key map [menu-bar sgml] (cons "SGML" menu-map)) | |
106 | (define-key menu-map [sgml-validate] '("Validate" . sgml-validate)) | |
107 | (define-key menu-map [sgml-name-8bit-mode] | |
108 | '("Toggle 8 Bit Insertion" . sgml-name-8bit-mode)) | |
109 | (define-key menu-map [sgml-tags-invisible] | |
110 | '("Toggle Tag Visibility" . sgml-tags-invisible)) | |
111 | (define-key menu-map [sgml-tag-help] | |
112 | '("Describe Tag" . sgml-tag-help)) | |
113 | (define-key menu-map [sgml-delete-tag] | |
114 | '("Delete Tag" . sgml-delete-tag)) | |
115 | (define-key menu-map [sgml-skip-tag-forward] | |
116 | '("Forward Tag" . sgml-skip-tag-forward)) | |
117 | (define-key menu-map [sgml-skip-tag-backward] | |
118 | '("Backward Tag" . sgml-skip-tag-backward)) | |
119 | (define-key menu-map [sgml-attributes] | |
120 | '("Insert Attributes" . sgml-attributes)) | |
121 | (define-key menu-map [sgml-tag] '("Insert Tag" . sgml-tag)) | |
122 | map) | |
123 | "Keymap for SGML mode. See also `sgml-specials'.") | |
124 | ||
125 | ||
126 | (defvar sgml-mode-syntax-table | |
127 | (let ((table (copy-syntax-table text-mode-syntax-table))) | |
128 | (modify-syntax-entry ?< "(>" table) | |
129 | (modify-syntax-entry ?> ")<" table) | |
130 | (if (memq ?- sgml-specials) | |
131 | (modify-syntax-entry ?- "_ 1234" table)) | |
132 | (if (memq ?\" sgml-specials) | |
133 | (modify-syntax-entry ?\" "\"\"" table)) | |
134 | (if (memq ?' sgml-specials) | |
135 | (modify-syntax-entry ?\' "\"'" table)) | |
136 | table) | |
137 | "Syntax table used in SGML mode. See also `sgml-specials'.") | |
138 | ||
72c0ae01 | 139 | |
64ae0c23 | 140 | (defcustom sgml-name-8bit-mode nil |
f788776c | 141 | "*When non-nil, insert 8 bit characters with their names." |
64ae0c23 RS |
142 | :type 'boolean |
143 | :group 'sgml) | |
72c0ae01 | 144 | |
1caf38eb RS |
145 | (defvar sgml-char-names |
146 | [nil nil nil nil nil nil nil nil | |
147 | nil nil nil nil nil nil nil nil | |
148 | nil nil nil nil nil nil nil nil | |
149 | nil nil nil nil nil nil nil nil | |
a391b179 | 150 | "nbsp" "excl" "quot" "num" "dollar" "percnt" "amp" "apos" |
1caf38eb RS |
151 | "lpar" "rpar" "ast" "plus" "comma" "hyphen" "period" "sol" |
152 | nil nil nil nil nil nil nil nil | |
153 | nil nil "colon" "semi" "lt" "eq" "gt" "quest" | |
154 | "commat" nil nil nil nil nil nil nil | |
155 | nil nil nil nil nil nil nil nil | |
156 | nil nil nil nil nil nil nil nil | |
157 | nil nil nil "lsqb" nil "rsqb" "uarr" "lowbar" | |
158 | "lsquo" nil nil nil nil nil nil nil | |
159 | nil nil nil nil nil nil nil nil | |
160 | nil nil nil nil nil nil nil nil | |
161 | nil nil nil "lcub" "verbar" "rcub" "tilde" nil | |
162 | nil nil nil nil nil nil nil nil | |
163 | nil nil nil nil nil nil nil nil | |
164 | nil nil nil nil nil nil nil nil | |
165 | nil nil nil nil nil nil nil nil | |
166 | "nbsp" "iexcl" "cent" "pound" "curren" "yen" "brvbar" "sect" | |
167 | "uml" "copy" "ordf" "laquo" "not" "shy" "reg" "macr" | |
168 | "ring" "plusmn" "sup2" "sup3" "acute" "micro" "para" "middot" | |
169 | "cedil" "sup1" "ordm" "raquo" "frac14" "half" "frac34" "iquest" | |
170 | "Agrave" "Aacute" "Acirc" "Atilde" "Auml" "Aring" "AElig" "Ccedil" | |
171 | "Egrave" "Eacute" "Ecirc" "Euml" "Igrave" "Iacute" "Icirc" "Iuml" | |
172 | "ETH" "Ntilde" "Ograve" "Oacute" "Ocirc" "Otilde" "Ouml" nil | |
173 | "Oslash" "Ugrave" "Uacute" "Ucirc" "Uuml" "Yacute" "THORN" "szlig" | |
174 | "agrave" "aacute" "acirc" "atilde" "auml" "aring" "aelig" "ccedil" | |
175 | "egrave" "eacute" "ecirc" "euml" "igrave" "iacute" "icirc" "iuml" | |
176 | "eth" "ntilde" "ograve" "oacute" "ocirc" "otilde" "ouml" "divide" | |
177 | "oslash" "ugrave" "uacute" "ucirc" "uuml" "yacute" "thorn" "yuml"] | |
178 | "Vector of symbolic character names without `&' and `;'.") | |
179 | ||
180 | ||
5121371d DL |
181 | ;; nsgmls is a free SGML parser in the SP suite available from |
182 | ;; ftp.jclark.com and otherwise packaged for GNU systems. | |
1caf38eb RS |
183 | ;; Its error messages can be parsed by next-error. |
184 | ;; The -s option suppresses output. | |
185 | ||
5121371d | 186 | (defcustom sgml-validate-command "nsgmls -s" ; replaced old `sgmls' |
72c0ae01 ER |
187 | "*The command to validate an SGML document. |
188 | The file name of current buffer file name will be appended to this, | |
64ae0c23 RS |
189 | separated by a space." |
190 | :type 'string | |
5121371d | 191 | :version "20.5" |
64ae0c23 | 192 | :group 'sgml) |
72c0ae01 ER |
193 | |
194 | (defvar sgml-saved-validate-command nil | |
195 | "The command last used to validate in this buffer.") | |
196 | ||
72c0ae01 | 197 | |
1caf38eb RS |
198 | ;;; I doubt that null end tags are used much for large elements, |
199 | ;;; so use a small distance here. | |
64ae0c23 | 200 | (defcustom sgml-slash-distance 1000 |
f788776c | 201 | "*If non-nil, is the maximum distance to search for matching `/'." |
64ae0c23 RS |
202 | :type '(choice (const nil) integer) |
203 | :group 'sgml) | |
72c0ae01 | 204 | |
1caf38eb RS |
205 | (defconst sgml-start-tag-regex |
206 | "<[A-Za-z]\\([-.A-Za-z0-9= \n\t]\\|\"[^\"]*\"\\|'[^']*'\\)*" | |
207 | "Regular expression that matches a non-empty start tag. | |
f788776c | 208 | Any terminating `>' or `/' is not matched.") |
1caf38eb RS |
209 | |
210 | ||
c6a63534 RS |
211 | ;; internal |
212 | (defconst sgml-font-lock-keywords-1 | |
b0a377e6 DL |
213 | '(("<\\([!?][a-z][-.a-z0-9]*\\)" 1 font-lock-keyword-face) |
214 | ("<\\(/?[a-z][-.a-z0-9]*\\)" 1 font-lock-function-name-face) | |
215 | ("[&%][a-z][-.a-z0-9]*;?" . font-lock-variable-name-face) | |
4fa91cfe | 216 | ("<! *--.*-- *>" . font-lock-comment-face))) |
c6a63534 RS |
217 | |
218 | (defconst sgml-font-lock-keywords-2 ()) | |
219 | ||
220 | ;; for font-lock, but must be defvar'ed after | |
221 | ;; sgml-font-lock-keywords-1 and sgml-font-lock-keywords-2 above | |
222 | (defvar sgml-font-lock-keywords sgml-font-lock-keywords-1 | |
1caf38eb RS |
223 | "*Rules for highlighting SGML code. See also `sgml-tag-face-alist'.") |
224 | ||
225 | ;; internal | |
1caf38eb RS |
226 | (defvar sgml-face-tag-alist () |
227 | "Alist of face and tag name for facemenu.") | |
228 | ||
229 | (defvar sgml-tag-face-alist () | |
230 | "Tag names and face or list of faces to fontify with when invisible. | |
231 | When `font-lock-maximum-decoration' is 1 this is always used for fontifying. | |
232 | When more these are fontified together with `sgml-font-lock-keywords'.") | |
233 | ||
234 | ||
235 | (defvar sgml-display-text () | |
236 | "Tag names as lowercase symbols, and display string when invisible.") | |
237 | ||
238 | ;; internal | |
239 | (defvar sgml-tags-invisible nil) | |
240 | ||
241 | ||
64ae0c23 | 242 | (defcustom sgml-tag-alist |
fcc3195e RS |
243 | '(("![" ("ignore" t) ("include" t)) |
244 | ("!attlist") | |
1caf38eb RS |
245 | ("!doctype") |
246 | ("!element") | |
247 | ("!entity")) | |
248 | "*Alist of tag names for completing read and insertion rules. | |
249 | This alist is made up as | |
250 | ||
251 | ((\"tag\" . TAGRULE) | |
252 | ...) | |
253 | ||
254 | TAGRULE is a list of optionally `t' (no endtag) or `\\n' (separate endtag by | |
255 | newlines) or a skeleton with `nil', `t' or `\\n' in place of the interactor | |
256 | followed by an ATTRIBUTERULE (for an always present attribute) or an | |
257 | attribute alist. | |
258 | ||
259 | The attribute alist is made up as | |
260 | ||
261 | ((\"attribute\" . ATTRIBUTERULE) | |
262 | ...) | |
263 | ||
264 | ATTRIBUTERULE is a list of optionally `t' (no value when no input) followed by | |
64ae0c23 RS |
265 | an optional alist of possible values." |
266 | :type '(repeat (cons (string :tag "Tag Name") | |
267 | (repeat :tag "Tag Rule" sexp))) | |
268 | :group 'sgml) | |
1caf38eb | 269 | |
64ae0c23 | 270 | (defcustom sgml-tag-help |
1caf38eb RS |
271 | '(("!" . "Empty declaration for comment") |
272 | ("![" . "Embed declarations with parser directive") | |
273 | ("!attlist" . "Tag attributes declaration") | |
274 | ("!doctype" . "Document type (DTD) declaration") | |
275 | ("!element" . "Tag declaration") | |
276 | ("!entity" . "Entity (macro) declaration")) | |
64ae0c23 RS |
277 | "*Alist of tag name and short description." |
278 | :type '(repeat (cons (string :tag "Tag Name") | |
279 | (string :tag "Description"))) | |
280 | :group 'sgml) | |
1caf38eb | 281 | |
b0a377e6 DL |
282 | (defvar v2) ; free for skeleton |
283 | ||
1caf38eb RS |
284 | (defun sgml-mode-common (sgml-tag-face-alist sgml-display-text) |
285 | "Common code for setting up `sgml-mode' and derived modes. | |
c6a63534 | 286 | SGML-TAG-FACE-ALIST is used for calculating `sgml-font-lock-keywords-2'. |
1caf38eb RS |
287 | SGML-DISPLAY-TEXT sets up alternate text for when tags are invisible (see |
288 | varables of same name)." | |
72c0ae01 | 289 | (setq local-abbrev-table text-mode-abbrev-table) |
1caf38eb RS |
290 | (set-syntax-table sgml-mode-syntax-table) |
291 | (make-local-variable 'indent-line-function) | |
72c0ae01 | 292 | (make-local-variable 'paragraph-start) |
72c0ae01 | 293 | (make-local-variable 'paragraph-separate) |
9e832d81 | 294 | (make-local-variable 'adaptive-fill-regexp) |
72c0ae01 | 295 | (make-local-variable 'sgml-saved-validate-command) |
72c0ae01 | 296 | (make-local-variable 'comment-start) |
72c0ae01 | 297 | (make-local-variable 'comment-end) |
e41b2db1 | 298 | (make-local-variable 'comment-indent-function) |
72c0ae01 | 299 | (make-local-variable 'comment-start-skip) |
1caf38eb RS |
300 | (make-local-variable 'comment-indent-function) |
301 | (make-local-variable 'sgml-tags-invisible) | |
302 | (make-local-variable 'skeleton-transformation) | |
303 | (make-local-variable 'skeleton-further-elements) | |
304 | (make-local-variable 'skeleton-end-hook) | |
305 | (make-local-variable 'font-lock-defaults) | |
306 | (make-local-variable 'sgml-font-lock-keywords-1) | |
c6a63534 | 307 | (make-local-variable 'sgml-font-lock-keywords-2) |
1caf38eb RS |
308 | (make-local-variable 'facemenu-add-face-function) |
309 | (make-local-variable 'facemenu-end-add-face) | |
310 | ;;(make-local-variable 'facemenu-remove-face-function) | |
311 | (and sgml-tag-face-alist | |
312 | (not (assq 1 sgml-tag-face-alist)) | |
313 | (nconc sgml-tag-face-alist | |
314 | `((1 (,(concat "<\\(" | |
315 | (mapconcat 'car sgml-tag-face-alist "\\|") | |
316 | "\\)\\([ \t].+\\)?>\\(.+\\)</\\1>") | |
aa7a8f0e DL |
317 | 3 (cdr (assoc (downcase (match-string 1)) |
318 | ',sgml-tag-face-alist))))))) | |
1caf38eb RS |
319 | (setq indent-line-function 'indent-relative-maybe |
320 | ;; A start or end tag by itself on a line separates a paragraph. | |
321 | ;; This is desirable because SGML discards a newline that appears | |
322 | ;; immediately after a start tag or immediately before an end tag. | |
6c455d5c RS |
323 | paragraph-separate "[ \t]*$\\|\ |
324 | \[ \t]*</?\\([A-Za-z]\\([-.A-Za-z0-9= \t\n]\\|\"[^\"]*\"\\|'[^']*'\\)*\\)?>$" | |
325 | paragraph-start "[ \t]*$\\|\ | |
326 | \[ \t]*</?\\([A-Za-z]\\([-.A-Za-z0-9= \t\n]\\|\"[^\"]*\"\\|'[^']*'\\)*\\)?>$" | |
327 | adaptive-fill-regexp "[ \t]*" | |
1caf38eb RS |
328 | comment-start "<!-- " |
329 | comment-end " -->" | |
330 | comment-indent-function 'sgml-comment-indent | |
331 | ;; This will allow existing comments within declarations to be | |
332 | ;; recognized. | |
333 | comment-start-skip "--[ \t]*" | |
a391b179 | 334 | skeleton-transformation sgml-transformation |
1caf38eb RS |
335 | skeleton-further-elements '((completion-ignore-case t)) |
336 | skeleton-end-hook (lambda () | |
337 | (or (eolp) | |
338 | (not (or (eq v2 '\n) | |
339 | (eq (car-safe v2) '\n))) | |
340 | (newline-and-indent))) | |
c6a63534 RS |
341 | sgml-font-lock-keywords-2 (append |
342 | sgml-font-lock-keywords-1 | |
343 | (cdr (assq 1 sgml-tag-face-alist))) | |
1caf38eb | 344 | font-lock-defaults '((sgml-font-lock-keywords |
c6a63534 RS |
345 | sgml-font-lock-keywords-1 |
346 | sgml-font-lock-keywords-2) | |
1caf38eb RS |
347 | nil |
348 | t) | |
6811a757 | 349 | facemenu-add-face-function 'sgml-mode-facemenu-add-face-function) |
1caf38eb RS |
350 | (while sgml-display-text |
351 | (put (car (car sgml-display-text)) 'before-string | |
352 | (cdr (car sgml-display-text))) | |
a01588fc | 353 | (setq sgml-display-text (cdr sgml-display-text)))) |
72c0ae01 | 354 | |
1caf38eb | 355 | |
6811a757 RS |
356 | (defun sgml-mode-facemenu-add-face-function (face end) |
357 | (if (setq face (cdr (assq face sgml-face-tag-alist))) | |
358 | (progn | |
359 | (setq face (funcall skeleton-transformation face)) | |
360 | (setq facemenu-end-add-face (concat "</" face ">")) | |
361 | (concat "<" face ">")) | |
362 | (error "Face not configured for %s mode." mode-name))) | |
363 | ||
364 | ||
1caf38eb RS |
365 | ;;;###autoload |
366 | (defun sgml-mode (&optional function) | |
367 | "Major mode for editing SGML documents. | |
368 | Makes > match <. Makes / blink matching /. | |
fcc3195e RS |
369 | Keys <, &, SPC within <>, \" and ' can be electric depending on |
370 | `sgml-quick-keys'. | |
1caf38eb | 371 | |
f788776c RS |
372 | An argument of N to a tag-inserting command means to wrap it around |
373 | the next N words. In Transient Mark mode, when the mark is active, | |
374 | N defaults to -1, which means to wrap it around the current region. | |
a391b179 | 375 | |
d10447ba | 376 | If you like upcased tags, put (setq sgml-transformation 'upcase) in |
f788776c | 377 | your `.emacs' file. |
1caf38eb RS |
378 | |
379 | Use \\[sgml-validate] to validate your document with an SGML parser. | |
a391b179 RS |
380 | |
381 | Do \\[describe-variable] sgml- SPC to see available variables. | |
382 | Do \\[describe-key] on the following bindings to discover what they do. | |
1caf38eb RS |
383 | \\{sgml-mode-map}" |
384 | (interactive) | |
a01588fc RS |
385 | (kill-all-local-variables) |
386 | (setq mode-name "SGML" | |
387 | major-mode 'sgml-mode) | |
1caf38eb | 388 | (sgml-mode-common sgml-tag-face-alist sgml-display-text) |
ec79b93a KH |
389 | ;; Set imenu-generic-expression here, rather than in sgml-mode-common, |
390 | ;; because this definition probably is not useful in HTML mode. | |
391 | (make-local-variable 'imenu-generic-expression) | |
392 | (setq imenu-generic-expression | |
393 | "<!\\(element\\|entity\\)[ \t\n]+%?[ \t\n]*\\([A-Za-z][-A-Za-z.0-9]*\\)") | |
1caf38eb | 394 | (use-local-map sgml-mode-map) |
a01588fc | 395 | (run-hooks 'text-mode-hook 'sgml-mode-hook)) |
1caf38eb RS |
396 | |
397 | ||
72c0ae01 ER |
398 | (defun sgml-comment-indent () |
399 | (if (and (looking-at "--") | |
1caf38eb | 400 | (not (and (eq (preceding-char) ?!) |
72c0ae01 ER |
401 | (eq (char-after (- (point) 2)) ?<)))) |
402 | (progn | |
403 | (skip-chars-backward " \t") | |
404 | (max comment-column (1+ (current-column)))) | |
405 | 0)) | |
406 | ||
72c0ae01 | 407 | |
72c0ae01 ER |
408 | |
409 | (defun sgml-slash (arg) | |
f788776c RS |
410 | "Insert `/' and display any previous matching `/'. |
411 | Two `/'s are treated as matching if the first `/' ends a net-enabling | |
412 | start tag, and the second `/' is the corresponding null end tag." | |
72c0ae01 ER |
413 | (interactive "p") |
414 | (insert-char ?/ arg) | |
415 | (if (> arg 0) | |
416 | (let ((oldpos (point)) | |
417 | (blinkpos) | |
418 | (level 0)) | |
419 | (save-excursion | |
420 | (save-restriction | |
421 | (if sgml-slash-distance | |
422 | (narrow-to-region (max (point-min) | |
423 | (- (point) sgml-slash-distance)) | |
424 | oldpos)) | |
425 | (if (and (re-search-backward sgml-start-tag-regex (point-min) t) | |
426 | (eq (match-end 0) (1- oldpos))) | |
427 | () | |
428 | (goto-char (1- oldpos)) | |
429 | (while (and (not blinkpos) | |
430 | (search-backward "/" (point-min) t)) | |
431 | (let ((tagend (save-excursion | |
432 | (if (re-search-backward sgml-start-tag-regex | |
433 | (point-min) t) | |
434 | (match-end 0) | |
435 | nil)))) | |
436 | (if (eq tagend (point)) | |
437 | (if (eq level 0) | |
438 | (setq blinkpos (point)) | |
439 | (setq level (1- level))) | |
440 | (setq level (1+ level))))))) | |
441 | (if blinkpos | |
442 | (progn | |
443 | (goto-char blinkpos) | |
444 | (if (pos-visible-in-window-p) | |
445 | (sit-for 1) | |
446 | (message "Matches %s" | |
447 | (buffer-substring (progn | |
448 | (beginning-of-line) | |
449 | (point)) | |
450 | (1+ blinkpos)))))))))) | |
451 | ||
1caf38eb RS |
452 | |
453 | (defun sgml-name-char (&optional char) | |
454 | "Insert a symbolic character name according to `sgml-char-names'. | |
455 | 8 bit chars may be inserted with the meta key as in M-SPC for no break space, | |
456 | or M-- for a soft hyphen." | |
457 | (interactive "*") | |
458 | (insert ?&) | |
459 | (or char | |
9b0ffdac | 460 | (setq char (read-quoted-char "Enter char or octal number"))) |
1caf38eb RS |
461 | (delete-backward-char 1) |
462 | (insert char) | |
463 | (undo-boundary) | |
464 | (delete-backward-char 1) | |
465 | (insert ?& | |
466 | (or (aref sgml-char-names char) | |
467 | (format "#%d" char)) | |
468 | ?\;)) | |
469 | ||
470 | ||
471 | (defun sgml-name-self () | |
472 | "Insert a symbolic character name according to `sgml-char-names'." | |
473 | (interactive "*") | |
474 | (sgml-name-char last-command-char)) | |
475 | ||
476 | ||
477 | (defun sgml-maybe-name-self () | |
478 | "Insert a symbolic character name according to `sgml-char-names'." | |
479 | (interactive "*") | |
480 | (if sgml-name-8bit-mode | |
481 | (sgml-name-char last-command-char) | |
482 | (self-insert-command 1))) | |
483 | ||
484 | ||
485 | (defun sgml-name-8bit-mode () | |
486 | "Toggle insertion of 8 bit characters." | |
487 | (interactive) | |
d10447ba | 488 | (setq sgml-name-8bit-mode (not sgml-name-8bit-mode)) |
7be38f7d | 489 | (message "sgml name 8 bit mode is now %s" |
d10447ba | 490 | (if sgml-name-8bit-mode "ON" "OFF"))) |
1caf38eb RS |
491 | |
492 | ||
f788776c RS |
493 | ;; When an element of a skeleton is a string "str", it is passed |
494 | ;; through skeleton-transformation and inserted. If "str" is to be | |
495 | ;; inserted literally, one should obtain it as the return value of a | |
496 | ;; function, e.g. (identity "str"). | |
1caf38eb RS |
497 | |
498 | (define-skeleton sgml-tag | |
f788776c RS |
499 | "Prompt for a tag and insert it, optionally with attributes. |
500 | Completion and configuration are done according to `sgml-tag-alist'. | |
d10447ba | 501 | If you like tags and attributes in uppercase do \\[set-variable] |
f788776c RS |
502 | skeleton-transformation RET upcase RET, or put this in your `.emacs': |
503 | (setq sgml-transformation 'upcase)" | |
1caf38eb RS |
504 | (funcall skeleton-transformation |
505 | (completing-read "Tag: " sgml-tag-alist)) | |
506 | ?< (setq v1 (eval str)) | | |
d10447ba | 507 | (("") -1 '(undo-boundary) (identity "<")) | ; see comment above |
1caf38eb | 508 | (("") '(setq v2 (sgml-attributes v1 t)) ?> |
fcc3195e RS |
509 | (if (string= "![" v1) |
510 | (prog1 '(("") " [ " _ " ]]") | |
511 | (backward-char)) | |
512 | (if (or (eq v2 t) | |
513 | (string-match "^[/!?]" v1)) | |
514 | () | |
515 | (if (symbolp v2) | |
516 | '(("") v2 _ v2 "</" v1 ?>) | |
517 | (if (eq (car v2) t) | |
518 | (cons '("") (cdr v2)) | |
519 | (append '(("") (car v2)) | |
520 | (cdr v2) | |
521 | '(resume: (car v2) _ "</" v1 ?>)))))))) | |
1caf38eb RS |
522 | |
523 | (autoload 'skeleton-read "skeleton") | |
524 | ||
d10447ba | 525 | (defun sgml-attributes (tag &optional quiet) |
f788776c | 526 | "When at top level of a tag, interactively insert attributes. |
d10447ba | 527 | |
f788776c RS |
528 | Completion and configuration of TAG are done according to `sgml-tag-alist'. |
529 | If QUIET, do not print a message when there are no attributes for TAG." | |
1caf38eb | 530 | (interactive (list (save-excursion (sgml-beginning-of-tag t)))) |
d10447ba RS |
531 | (or (stringp tag) (error "Wrong context for adding attribute")) |
532 | (if tag | |
1caf38eb | 533 | (let ((completion-ignore-case t) |
d10447ba | 534 | (alist (cdr (assoc (downcase tag) sgml-tag-alist))) |
1caf38eb | 535 | car attribute i) |
1caf38eb RS |
536 | (if (or (symbolp (car alist)) |
537 | (symbolp (car (car alist)))) | |
538 | (setq car (car alist) | |
539 | alist (cdr alist))) | |
540 | (or quiet | |
541 | (message "No attributes configured.")) | |
542 | (if (stringp (car alist)) | |
543 | (progn | |
d10447ba RS |
544 | (insert (if (eq (preceding-char) ? ) "" ? ) |
545 | (funcall skeleton-transformation (car alist))) | |
1caf38eb RS |
546 | (sgml-value alist)) |
547 | (setq i (length alist)) | |
548 | (while (> i 0) | |
549 | (insert ? ) | |
550 | (insert (funcall skeleton-transformation | |
551 | (setq attribute | |
552 | (skeleton-read '(completing-read | |
d10447ba | 553 | "Attribute: " |
1caf38eb RS |
554 | alist))))) |
555 | (if (string= "" attribute) | |
556 | (setq i 0) | |
aa7a8f0e | 557 | (sgml-value (assoc (downcase attribute) alist)) |
1caf38eb RS |
558 | (setq i (1- i)))) |
559 | (if (eq (preceding-char) ? ) | |
560 | (delete-backward-char 1))) | |
561 | car))) | |
562 | ||
563 | (defun sgml-auto-attributes (arg) | |
f788776c RS |
564 | "Self insert the character typed; at top level of tag, prompt for attributes. |
565 | With prefix argument, only self insert." | |
1caf38eb RS |
566 | (interactive "*P") |
567 | (let ((point (point)) | |
568 | tag) | |
569 | (if (or arg | |
1caf38eb RS |
570 | (not sgml-tag-alist) ; no message when nothing configured |
571 | (symbolp (setq tag (save-excursion (sgml-beginning-of-tag t)))) | |
572 | (eq (aref tag 0) ?/)) | |
573 | (self-insert-command (prefix-numeric-value arg)) | |
574 | (sgml-attributes tag) | |
575 | (setq last-command-char ? ) | |
576 | (or (> (point) point) | |
577 | (self-insert-command 1))))) | |
578 | ||
579 | ||
580 | (defun sgml-tag-help (&optional tag) | |
f788776c | 581 | "Display description of tag TAG. If TAG is omitted, use the tag at point." |
1caf38eb RS |
582 | (interactive) |
583 | (or tag | |
584 | (save-excursion | |
585 | (if (eq (following-char) ?<) | |
586 | (forward-char)) | |
587 | (setq tag (sgml-beginning-of-tag)))) | |
588 | (or (stringp tag) | |
589 | (error "No tag selected")) | |
590 | (setq tag (downcase tag)) | |
f68f40e0 | 591 | (message "%s" |
aa7a8f0e | 592 | (or (cdr (assoc (downcase tag) sgml-tag-help)) |
1caf38eb | 593 | (and (eq (aref tag 0) ?/) |
aa7a8f0e | 594 | (cdr (assoc (downcase (substring tag 1)) sgml-tag-help))) |
1caf38eb RS |
595 | "No description available"))) |
596 | ||
597 | ||
598 | (defun sgml-maybe-end-tag () | |
599 | "Name self unless in position to end a tag." | |
600 | (interactive) | |
601 | (or (condition-case nil | |
602 | (save-excursion (up-list -1)) | |
603 | (error | |
604 | (sgml-name-self) | |
605 | t)) | |
606 | (condition-case nil | |
607 | (progn | |
608 | (save-excursion (up-list 1)) | |
609 | (sgml-name-self)) | |
610 | (error (self-insert-command 1))))) | |
611 | ||
612 | ||
613 | (defun sgml-skip-tag-backward (arg) | |
614 | "Skip to beginning of tag or matching opening tag if present. | |
f788776c | 615 | With prefix argument ARG, repeat this ARG times." |
1caf38eb RS |
616 | (interactive "p") |
617 | (while (>= arg 1) | |
618 | (search-backward "<" nil t) | |
619 | (if (looking-at "</\\([^ \n\t>]+\\)") | |
620 | ;; end tag, skip any nested pairs | |
621 | (let ((case-fold-search t) | |
622 | (re (concat "</?" (regexp-quote (match-string 1))))) | |
623 | (while (and (re-search-backward re nil t) | |
624 | (eq (char-after (1+ (point))) ?/)) | |
625 | (forward-char 1) | |
626 | (sgml-skip-tag-backward 1)))) | |
627 | (setq arg (1- arg)))) | |
628 | ||
629 | (defun sgml-skip-tag-forward (arg &optional return) | |
630 | "Skip to end of tag or matching closing tag if present. | |
f788776c | 631 | With prefix argument ARG, repeat this ARG times. |
1caf38eb RS |
632 | Return t iff after a closing tag." |
633 | (interactive "p") | |
634 | (setq return t) | |
635 | (while (>= arg 1) | |
636 | (skip-chars-forward "^<>") | |
637 | (if (eq (following-char) ?>) | |
638 | (up-list -1)) | |
639 | (if (looking-at "<\\([^/ \n\t>]+\\)") | |
640 | ;; start tag, skip any nested same pairs _and_ closing tag | |
641 | (let ((case-fold-search t) | |
642 | (re (concat "</?" (regexp-quote (match-string 1)))) | |
643 | point close) | |
644 | (forward-list 1) | |
645 | (setq point (point)) | |
646 | (while (and (re-search-forward re nil t) | |
647 | (not (setq close | |
648 | (eq (char-after (1+ (match-beginning 0))) ?/))) | |
649 | (not (up-list -1)) | |
650 | (sgml-skip-tag-forward 1)) | |
651 | (setq close nil)) | |
652 | (if close | |
653 | (up-list 1) | |
654 | (goto-char point) | |
655 | (setq return))) | |
656 | (forward-list 1)) | |
657 | (setq arg (1- arg))) | |
658 | return) | |
659 | ||
660 | (defun sgml-delete-tag (arg) | |
661 | "Delete tag on or after cursor, and matching closing or opening tag. | |
f788776c | 662 | With prefix argument ARG, repeat this ARG times." |
1caf38eb RS |
663 | (interactive "p") |
664 | (while (>= arg 1) | |
665 | (save-excursion | |
666 | (let* (close open) | |
fcc3195e | 667 | (if (looking-at "[ \t\n]*<") |
1caf38eb RS |
668 | ;; just before tag |
669 | (if (eq (char-after (match-end 0)) ?/) | |
670 | ;; closing tag | |
671 | (progn | |
672 | (setq close (point)) | |
673 | (goto-char (match-end 0)))) | |
674 | ;; on tag? | |
675 | (or (save-excursion (setq close (sgml-beginning-of-tag) | |
676 | close (and (stringp close) | |
677 | (eq (aref close 0) ?/) | |
678 | (point)))) | |
679 | ;; not on closing tag | |
680 | (let ((point (point))) | |
681 | (sgml-skip-tag-backward 1) | |
682 | (if (or (not (eq (following-char) ?<)) | |
683 | (save-excursion | |
684 | (forward-list 1) | |
685 | (<= (point) point))) | |
686 | (error "Not on or before tag"))))) | |
687 | (if close | |
688 | (progn | |
689 | (sgml-skip-tag-backward 1) | |
690 | (setq open (point)) | |
691 | (goto-char close) | |
692 | (kill-sexp 1)) | |
693 | (setq open (point)) | |
694 | (sgml-skip-tag-forward 1) | |
695 | (backward-list) | |
696 | (forward-char) | |
697 | (if (eq (aref (sgml-beginning-of-tag) 0) ?/) | |
698 | (kill-sexp 1))) | |
699 | (goto-char open) | |
700 | (kill-sexp 1))) | |
701 | (setq arg (1- arg)))) | |
a391b179 RS |
702 | \f |
703 | ;; Put read-only last to enable setting this even when read-only enabled. | |
704 | (or (get 'sgml-tag 'invisible) | |
705 | (setplist 'sgml-tag | |
706 | (append '(invisible t | |
707 | intangible t | |
708 | point-entered sgml-point-entered | |
709 | rear-nonsticky t | |
710 | read-only t) | |
711 | (symbol-plist 'sgml-tag)))) | |
1caf38eb RS |
712 | |
713 | (defun sgml-tags-invisible (arg) | |
714 | "Toggle visibility of existing tags." | |
715 | (interactive "P") | |
716 | (let ((modified (buffer-modified-p)) | |
717 | (inhibit-read-only t) | |
a391b179 RS |
718 | ;; This is needed in case font lock gets called, |
719 | ;; since it moves point and might call sgml-point-entered. | |
720 | (inhibit-point-motion-hooks t) | |
1caf38eb RS |
721 | symbol) |
722 | (save-excursion | |
a391b179 | 723 | (goto-char (point-min)) |
1caf38eb RS |
724 | (if (setq sgml-tags-invisible |
725 | (if arg | |
726 | (>= (prefix-numeric-value arg) 0) | |
727 | (not sgml-tags-invisible))) | |
728 | (while (re-search-forward "<\\([!/?A-Za-z][-A-Za-z0-9]*\\)" | |
729 | nil t) | |
730 | (setq symbol (intern-soft (downcase (match-string 1)))) | |
731 | (goto-char (match-beginning 0)) | |
732 | (and (get symbol 'before-string) | |
733 | (not (overlays-at (point))) | |
734 | (overlay-put (make-overlay (point) | |
735 | (match-beginning 1)) | |
736 | 'category symbol)) | |
a391b179 RS |
737 | (put-text-property (point) |
738 | (progn (forward-list) (point)) | |
1caf38eb | 739 | 'category 'sgml-tag)) |
a391b179 RS |
740 | (let ((pos (point))) |
741 | (while (< (setq pos (next-overlay-change pos)) (point-max)) | |
742 | (delete-overlay (car (overlays-at pos))))) | |
1caf38eb RS |
743 | (remove-text-properties (point-min) (point-max) |
744 | '(category sgml-tag intangible t)))) | |
745 | (set-buffer-modified-p modified) | |
746 | (run-hooks 'sgml-tags-invisible-hook) | |
747 | (message ""))) | |
748 | ||
749 | (defun sgml-point-entered (x y) | |
750 | ;; Show preceding or following hidden tag, depending of cursor direction. | |
751 | (let ((inhibit-point-motion-hooks t)) | |
752 | (save-excursion | |
753 | (message "Invisible tag: %s" | |
754 | (buffer-substring | |
755 | (point) | |
756 | (if (or (and (> x y) | |
757 | (not (eq (following-char) ?<))) | |
758 | (and (< x y) | |
759 | (eq (preceding-char) ?>))) | |
760 | (backward-list) | |
761 | (forward-list))))))) | |
a391b179 | 762 | \f |
1caf38eb RS |
763 | (autoload 'compile-internal "compile") |
764 | ||
72c0ae01 ER |
765 | (defun sgml-validate (command) |
766 | "Validate an SGML document. | |
767 | Runs COMMAND, a shell command, in a separate process asynchronously | |
f788776c | 768 | with output going to the buffer `*compilation*'. |
72c0ae01 ER |
769 | You can then use the command \\[next-error] to find the next error message |
770 | and move to the line in the SGML document that caused it." | |
771 | (interactive | |
772 | (list (read-string "Validate command: " | |
773 | (or sgml-saved-validate-command | |
774 | (concat sgml-validate-command | |
775 | " " | |
776 | (let ((name (buffer-file-name))) | |
777 | (and name | |
778 | (file-name-nondirectory name)))))))) | |
779 | (setq sgml-saved-validate-command command) | |
b7cd1746 | 780 | (save-some-buffers (not compilation-ask-about-save) nil) |
c7aa4667 | 781 | (compile-internal command "No more errors")) |
72c0ae01 | 782 | |
1caf38eb RS |
783 | |
784 | (defun sgml-beginning-of-tag (&optional top-level) | |
785 | "Skip to beginning of tag and return its name. | |
f788776c | 786 | If this can't be done, return t." |
1caf38eb RS |
787 | (or (if top-level |
788 | (condition-case nil | |
789 | (up-list -1) | |
790 | (error t)) | |
791 | (>= (point) | |
792 | (if (search-backward "<" nil t) | |
793 | (save-excursion | |
794 | (forward-list) | |
795 | (point)) | |
796 | 0))) | |
797 | (if (looking-at "<[!?/]?[[A-Za-z][A-Za-z0-9]*") | |
798 | (buffer-substring-no-properties | |
799 | (1+ (point)) | |
800 | (match-end 0)) | |
801 | t))) | |
802 | ||
803 | (defun sgml-value (alist) | |
f788776c RS |
804 | "Interactively insert value taken from attributerule ALIST. |
805 | See `sgml-tag-alist' for info about attributerules.." | |
1caf38eb RS |
806 | (setq alist (cdr alist)) |
807 | (if (stringp (car alist)) | |
808 | (insert "=\"" (car alist) ?\") | |
809 | (if (eq (car alist) t) | |
810 | (if (cdr alist) | |
811 | (progn | |
812 | (insert "=\"") | |
813 | (setq alist (skeleton-read '(completing-read | |
d10447ba | 814 | "Value: " (cdr alist)))) |
1caf38eb | 815 | (if (string< "" alist) |
a391b179 | 816 | (insert alist ?\") |
1caf38eb RS |
817 | (delete-backward-char 2)))) |
818 | (insert "=\"") | |
819 | (if alist | |
a391b179 | 820 | (insert (skeleton-read '(completing-read "Value: " alist)))) |
1caf38eb RS |
821 | (insert ?\")))) |
822 | ||
823 | (provide 'sgml-mode) | |
824 | \f | |
fcc3195e | 825 | (defvar html-quick-keys sgml-quick-keys |
b1e7bb48 | 826 | "Use C-c X combinations for quick insertion of frequent tags when non-nil. |
fcc3195e | 827 | This defaults to `sgml-quick-keys'. |
1caf38eb RS |
828 | This takes effect when first loading the library.") |
829 | ||
830 | (defvar html-mode-map | |
831 | (let ((map (nconc (make-sparse-keymap) sgml-mode-map)) | |
832 | (menu-map (make-sparse-keymap "HTML"))) | |
7e49eef2 RS |
833 | (define-key map "\C-c6" 'html-headline-6) |
834 | (define-key map "\C-c5" 'html-headline-5) | |
835 | (define-key map "\C-c4" 'html-headline-4) | |
836 | (define-key map "\C-c3" 'html-headline-3) | |
837 | (define-key map "\C-c2" 'html-headline-2) | |
838 | (define-key map "\C-c1" 'html-headline-1) | |
fcc3195e RS |
839 | (define-key map "\C-c\r" 'html-paragraph) |
840 | (define-key map "\C-c\n" 'html-line) | |
841 | (define-key map "\C-c\C-c-" 'html-horizontal-rule) | |
7e49eef2 RS |
842 | (define-key map "\C-c\C-co" 'html-ordered-list) |
843 | (define-key map "\C-c\C-cu" 'html-unordered-list) | |
fcc3195e RS |
844 | (define-key map "\C-c\C-cr" 'html-radio-buttons) |
845 | (define-key map "\C-c\C-cc" 'html-checkboxes) | |
846 | (define-key map "\C-c\C-cl" 'html-list-item) | |
847 | (define-key map "\C-c\C-ch" 'html-href-anchor) | |
848 | (define-key map "\C-c\C-cn" 'html-name-anchor) | |
849 | (define-key map "\C-c\C-ci" 'html-image) | |
1caf38eb RS |
850 | (if html-quick-keys |
851 | (progn | |
1caf38eb | 852 | (define-key map "\C-c-" 'html-horizontal-rule) |
7e49eef2 RS |
853 | (define-key map "\C-co" 'html-ordered-list) |
854 | (define-key map "\C-cu" 'html-unordered-list) | |
1caf38eb | 855 | (define-key map "\C-cr" 'html-radio-buttons) |
fcc3195e | 856 | (define-key map "\C-cc" 'html-checkboxes) |
1caf38eb RS |
857 | (define-key map "\C-cl" 'html-list-item) |
858 | (define-key map "\C-ch" 'html-href-anchor) | |
859 | (define-key map "\C-cn" 'html-name-anchor) | |
860 | (define-key map "\C-ci" 'html-image))) | |
861 | (define-key map "\C-c\C-s" 'html-autoview-mode) | |
862 | (define-key map "\C-c\C-v" 'browse-url-of-buffer) | |
863 | (define-key map [menu-bar html] (cons "HTML" menu-map)) | |
864 | (define-key menu-map [html-autoview-mode] | |
865 | '("Toggle Autoviewing" . html-autoview-mode)) | |
866 | (define-key menu-map [browse-url-of-buffer] | |
867 | '("View Buffer Contents" . browse-url-of-buffer)) | |
868 | (define-key menu-map [nil] '("--")) | |
7e49eef2 RS |
869 | ;;(define-key menu-map "6" '("Heading 6" . html-headline-6)) |
870 | ;;(define-key menu-map "5" '("Heading 5" . html-headline-5)) | |
871 | ;;(define-key menu-map "4" '("Heading 4" . html-headline-4)) | |
872 | (define-key menu-map "3" '("Heading 3" . html-headline-3)) | |
873 | (define-key menu-map "2" '("Heading 2" . html-headline-2)) | |
874 | (define-key menu-map "1" '("Heading 1" . html-headline-1)) | |
1caf38eb | 875 | (define-key menu-map "l" '("Radio Buttons" . html-radio-buttons)) |
fcc3195e | 876 | (define-key menu-map "c" '("Checkboxes" . html-checkboxes)) |
1caf38eb | 877 | (define-key menu-map "l" '("List Item" . html-list-item)) |
7e49eef2 RS |
878 | (define-key menu-map "u" '("Unordered List" . html-unordered-list)) |
879 | (define-key menu-map "o" '("Ordered List" . html-ordered-list)) | |
fcc3195e | 880 | (define-key menu-map "-" '("Horizontal Rule" . html-horizontal-rule)) |
1caf38eb RS |
881 | (define-key menu-map "\n" '("Line Break" . html-line)) |
882 | (define-key menu-map "\r" '("Paragraph" . html-paragraph)) | |
883 | (define-key menu-map "i" '("Image" . html-image)) | |
884 | (define-key menu-map "h" '("Href Anchor" . html-href-anchor)) | |
885 | (define-key menu-map "n" '("Name Anchor" . html-name-anchor)) | |
886 | map) | |
887 | "Keymap for commands for use in HTML mode.") | |
888 | ||
889 | ||
890 | (defvar html-face-tag-alist | |
891 | '((bold . "b") | |
892 | (italic . "i") | |
893 | (underline . "u") | |
894 | (modeline . "rev")) | |
895 | "Value of `sgml-face-tag-alist' for HTML mode.") | |
896 | ||
897 | (defvar html-tag-face-alist | |
898 | '(("b" . bold) | |
899 | ("big" . bold) | |
900 | ("blink" . highlight) | |
901 | ("cite" . italic) | |
902 | ("em" . italic) | |
903 | ("h1" bold underline) | |
904 | ("h2" bold-italic underline) | |
905 | ("h3" italic underline) | |
906 | ("h4" . underline) | |
907 | ("h5" . underline) | |
908 | ("h6" . underline) | |
909 | ("i" . italic) | |
910 | ("rev" . modeline) | |
911 | ("s" . underline) | |
912 | ("small" . default) | |
913 | ("strong" . bold) | |
914 | ("title" bold underline) | |
915 | ("tt" . default) | |
916 | ("u" . underline) | |
917 | ("var" . italic)) | |
918 | "Value of `sgml-tag-face-alist' for HTML mode.") | |
919 | ||
920 | ||
921 | (defvar html-display-text | |
922 | '((img . "[/]") | |
923 | (hr . "----------") | |
924 | (li . "o ")) | |
925 | "Value of `sgml-display-text' for HTML mode.") | |
3bf0b727 RS |
926 | \f |
927 | ;; should code exactly HTML 3 here when that is finished | |
1caf38eb | 928 | (defvar html-tag-alist |
d10447ba RS |
929 | (let* ((1-7 '(("1") ("2") ("3") ("4") ("5") ("6") ("7"))) |
930 | (1-9 '(,@1-7 ("8") ("9"))) | |
1caf38eb RS |
931 | (align '(("align" ("left") ("center") ("right")))) |
932 | (valign '(("top") ("middle") ("bottom") ("baseline"))) | |
933 | (rel '(("next") ("previous") ("parent") ("subdocument") ("made"))) | |
934 | (href '("href" ("ftp:") ("file:") ("finger:") ("gopher:") ("http:") | |
935 | ("mailto:") ("news:") ("rlogin:") ("telnet:") ("tn3270:") | |
fcc3195e | 936 | ("wais:") ("/cgi-bin/"))) |
1caf38eb RS |
937 | (name '("name")) |
938 | (link `(,href | |
939 | ("rel" ,@rel) | |
940 | ("rev" ,@rel) | |
941 | ("title"))) | |
d10447ba RS |
942 | (list '((nil \n ( "List item: " |
943 | "<li>" str \n)))) | |
1caf38eb RS |
944 | (cell `(t |
945 | ,align | |
946 | ("valign" ,@valign) | |
947 | ("colspan" ,@1-9) | |
948 | ("rowspan" ,@1-9) | |
949 | ("nowrap" t)))) | |
950 | ;; put ,-expressions first, else byte-compile chokes (as of V19.29) | |
951 | ;; and like this it's more efficient anyway | |
952 | `(("a" ,name ,@link) | |
953 | ("base" t ,@href) | |
954 | ("dir" ,@list) | |
d10447ba | 955 | ("font" nil "size" ("-1") ("+1") ("-2") ("+2") ,@1-7) |
fcc3195e RS |
956 | ("form" (\n _ \n "<input type=\"submit\" value=\"\">") |
957 | ("action" ,@(cdr href)) ("method" ("get") ("post"))) | |
1caf38eb RS |
958 | ("h1" ,@align) |
959 | ("h2" ,@align) | |
960 | ("h3" ,@align) | |
961 | ("h4" ,@align) | |
962 | ("h5" ,@align) | |
963 | ("h6" ,@align) | |
964 | ("hr" t ("size" ,@1-9) ("width") ("noshade" t) ,@align) | |
965 | ("img" t ("align" ,@valign ("texttop") ("absmiddle") ("absbottom")) | |
966 | ("src") ("alt") ("width" "1") ("height" "1") | |
967 | ("border" "1") ("vspace" "1") ("hspace" "1") ("ismap" t)) | |
968 | ("input" t ("size" ,@1-9) ("maxlength" ,@1-9) ("checked" t) ,name | |
fcc3195e RS |
969 | ("type" ("text") ("password") ("checkbox") ("radio") |
970 | ("submit") ("reset")) | |
1caf38eb RS |
971 | ("value")) |
972 | ("link" t ,@link) | |
973 | ("menu" ,@list) | |
d10447ba | 974 | ("ol" ,@list ("type" ("A") ("a") ("I") ("i") ("1"))) |
1caf38eb RS |
975 | ("p" t ,@align) |
976 | ("select" (nil \n | |
977 | ("Text: " | |
978 | "<option>" str \n)) | |
979 | ,name ("size" ,@1-9) ("multiple" t)) | |
980 | ("table" (nil \n | |
981 | ((completing-read "Cell kind: " '(("td") ("th")) | |
982 | nil t "t") | |
983 | "<tr><" str ?> _ \n)) | |
984 | ("border" t ,@1-9) ("width" "10") ("cellpadding")) | |
985 | ("td" ,@cell) | |
986 | ("textarea" ,name ("rows" ,@1-9) ("cols" ,@1-9)) | |
987 | ("th" ,@cell) | |
d10447ba | 988 | ("ul" ,@list ("type" ("disc") ("circle") ("square"))) |
1caf38eb RS |
989 | |
990 | ,@sgml-tag-alist | |
991 | ||
992 | ("abbrev") | |
993 | ("acronym") | |
994 | ("address") | |
995 | ("array" (nil \n | |
996 | ("Item: " "<item>" str \n)) | |
997 | "align") | |
998 | ("au") | |
999 | ("b") | |
1000 | ("big") | |
1001 | ("blink") | |
1002 | ("blockquote" \n) | |
1003 | ("body" \n ("background" ".gif") ("bgcolor" "#") ("text" "#") | |
1004 | ("link" "#") ("alink" "#") ("vlink" "#")) | |
1005 | ("box" (nil _ "<over>" _)) | |
1006 | ("br" t ("clear" ("left") ("right"))) | |
1007 | ("caption" ("valign" ("top") ("bottom"))) | |
1008 | ("center" \n) | |
1009 | ("cite") | |
1010 | ("code" \n) | |
1011 | ("dd" t) | |
1012 | ("del") | |
1013 | ("dfn") | |
1014 | ("dl" (nil \n | |
1015 | ( "Term: " | |
1016 | "<dt>" str "<dd>" _ \n))) | |
1017 | ("dt" (t _ "<dd>")) | |
1018 | ("em") | |
d10447ba | 1019 | ;("fn" "id" "fn") ; ??? |
1caf38eb RS |
1020 | ("head" \n) |
1021 | ("html" (\n | |
1022 | "<head>\n" | |
1023 | "<title>" (setq str (read-input "Title: ")) "</title>\n" | |
5e532c5c | 1024 | "</head>\n" |
1caf38eb RS |
1025 | "<body>\n<h1>" str "</h1>\n" _ |
1026 | "\n<address>\n<a href=\"mailto:" | |
be047262 | 1027 | user-mail-address |
5e532c5c RS |
1028 | "\">" (user-full-name) "</a>\n</address>\n" |
1029 | "</body>" | |
1030 | )) | |
1caf38eb RS |
1031 | ("i") |
1032 | ("ins") | |
1033 | ("isindex" t ("action") ("prompt")) | |
1034 | ("kbd") | |
1035 | ("lang") | |
1036 | ("li" t) | |
1037 | ("math" \n) | |
1038 | ("nobr") | |
1039 | ("option" t ("value") ("label") ("selected" t)) | |
1040 | ("over" t) | |
1041 | ("person") | |
1042 | ("pre" \n) | |
1043 | ("q") | |
1044 | ("rev") | |
1045 | ("s") | |
1046 | ("samp") | |
1047 | ("small") | |
1048 | ("strong") | |
1049 | ("sub") | |
1050 | ("sup") | |
1051 | ("title") | |
1052 | ("tr" t) | |
1053 | ("tt") | |
1054 | ("u") | |
1055 | ("var") | |
1056 | ("wbr" t))) | |
1057 | "*Value of `sgml-tag-alist' for HTML mode.") | |
1058 | ||
1059 | (defvar html-tag-help | |
1060 | `(,@sgml-tag-help | |
1061 | ("a" . "Anchor of point or link elsewhere") | |
1062 | ("abbrev" . "?") | |
1063 | ("acronym" . "?") | |
1064 | ("address" . "Formatted mail address") | |
1065 | ("array" . "Math array") | |
1066 | ("au" . "?") | |
1067 | ("b" . "Bold face") | |
1068 | ("base" . "Base address for URLs") | |
1069 | ("big" . "Font size") | |
1070 | ("blink" . "Blinking text") | |
1071 | ("blockquote" . "Indented quotation") | |
1072 | ("body" . "Document body") | |
1073 | ("box" . "Math fraction") | |
1074 | ("br" . "Line break") | |
1075 | ("caption" . "Table caption") | |
1076 | ("center" . "Centered text") | |
1077 | ("changed" . "Change bars") | |
1078 | ("cite" . "Citation of a document") | |
1079 | ("code" . "Formatted source code") | |
1080 | ("dd" . "Definition of term") | |
1081 | ("del" . "?") | |
1082 | ("dfn" . "?") | |
1083 | ("dir" . "Directory list (obsolete)") | |
1084 | ("dl" . "Definition list") | |
1085 | ("dt" . "Term to be definined") | |
1086 | ("em" . "Emphasised") | |
1087 | ("embed" . "Embedded data in foreign format") | |
1088 | ("fig" . "Figure") | |
1089 | ("figa" . "Figure anchor") | |
1090 | ("figd" . "Figure description") | |
1091 | ("figt" . "Figure text") | |
d10447ba | 1092 | ;("fn" . "?") ; ??? |
1caf38eb RS |
1093 | ("font" . "Font size") |
1094 | ("form" . "Form with input fields") | |
1095 | ("group" . "Document grouping") | |
1096 | ("h1" . "Most important section headline") | |
1097 | ("h2" . "Important section headline") | |
1098 | ("h3" . "Section headline") | |
1099 | ("h4" . "Minor section headline") | |
1100 | ("h5" . "Unimportant section headline") | |
1101 | ("h6" . "Least important section headline") | |
1102 | ("head" . "Document header") | |
1103 | ("hr" . "Horizontal rule") | |
1104 | ("html" . "HTML Document") | |
1105 | ("i" . "Italic face") | |
1106 | ("img" . "Graphic image") | |
1107 | ("input" . "Form input field") | |
1108 | ("ins" . "?") | |
1109 | ("isindex" . "Input field for index search") | |
1110 | ("kbd" . "Keybard example face") | |
1111 | ("lang" . "Natural language") | |
1112 | ("li" . "List item") | |
1113 | ("link" . "Link relationship") | |
1114 | ("math" . "Math formula") | |
1115 | ("menu" . "Menu list (obsolete)") | |
1116 | ("mh" . "Form mail header") | |
1117 | ("nextid" . "Allocate new id") | |
1118 | ("nobr" . "Text without line break") | |
1119 | ("ol" . "Ordered list") | |
1120 | ("option" . "Selection list item") | |
1121 | ("over" . "Math fraction rule") | |
1122 | ("p" . "Paragraph start") | |
1123 | ("panel" . "Floating panel") | |
1124 | ("person" . "?") | |
1125 | ("pre" . "Preformatted fixed width text") | |
1126 | ("q" . "?") | |
1127 | ("rev" . "Reverse video") | |
1128 | ("s" . "?") | |
1129 | ("samp" . "Sample text") | |
1130 | ("select" . "Selection list") | |
1131 | ("small" . "Font size") | |
1132 | ("sp" . "Nobreak space") | |
1133 | ("strong" . "Standout text") | |
1134 | ("sub" . "Subscript") | |
1135 | ("sup" . "Superscript") | |
1136 | ("table" . "Table with rows and columns") | |
1137 | ("tb" . "Table vertical break") | |
1138 | ("td" . "Table data cell") | |
1139 | ("textarea" . "Form multiline edit area") | |
1140 | ("th" . "Table header cell") | |
1141 | ("title" . "Document title") | |
1142 | ("tr" . "Table row separator") | |
1143 | ("tt" . "Typewriter face") | |
1144 | ("u" . "Underlined text") | |
1145 | ("ul" . "Unordered list") | |
1146 | ("var" . "Math variable face") | |
1147 | ("wbr" . "Enable <br> within <nobr>")) | |
1148 | "*Value of `sgml-tag-help' for HTML mode.") | |
3bf0b727 | 1149 | \f |
1caf38eb RS |
1150 | ;;;###autoload |
1151 | (defun html-mode () | |
1152 | "Major mode based on SGML mode for editing HTML documents. | |
7be38f7d | 1153 | This allows inserting skeleton constructs used in hypertext documents with |
fcc3195e RS |
1154 | completion. See below for an introduction to HTML. Use |
1155 | \\[browse-url-of-buffer] to see how this comes out. See also `sgml-mode' on | |
1156 | which this is based. | |
1caf38eb | 1157 | |
fcc3195e | 1158 | Do \\[describe-variable] html- SPC and \\[describe-variable] sgml- SPC to see available variables. |
1caf38eb RS |
1159 | |
1160 | To write fairly well formatted pages you only need to know few things. Most | |
1161 | browsers have a function to read the source code of the page being seen, so | |
1162 | you can imitate various tricks. Here's a very short HTML primer which you | |
1163 | can also view with a browser to see what happens: | |
1164 | ||
1165 | <title>A Title Describing Contents</title> should be on every page. Pages can | |
1166 | have <h1>Very Major Headlines</h1> through <h6>Very Minor Headlines</h6> | |
1167 | <hr> Parts can be separated with horizontal rules. | |
1168 | ||
1169 | <p>Paragraphs only need an opening tag. Line breaks and multiple spaces are | |
1170 | ignored unless the text is <pre>preformatted.</pre> Text can be marked as | |
1171 | <b>bold</b>, <i>italic</i> or <u>underlined</u> using the normal M-g or | |
1172 | Edit/Text Properties/Face commands. | |
1173 | ||
1174 | Pages can have <a name=\"SOMENAME\">named points</a> and can link other points | |
1175 | to them with <a href=\"#SOMENAME\">see also somename</a>. In the same way <a | |
1176 | href=\"URL\">see also URL</a> where URL is a filename relative to current | |
f788776c | 1177 | directory, or absolute as in `http://www.cs.indiana.edu/elisp/w3/docs.html'. |
1caf38eb RS |
1178 | |
1179 | Images in many formats can be inlined with <img src=\"URL\">. | |
1180 | ||
f788776c RS |
1181 | If you mainly create your own documents, `sgml-specials' might be |
1182 | interesting. But note that some HTML 2 browsers can't handle `''. | |
1183 | To work around that, do: | |
1184 | (eval-after-load \"sgml-mode\" '(aset sgml-char-names ?' nil)) | |
1caf38eb | 1185 | |
1caf38eb RS |
1186 | \\{html-mode-map}" |
1187 | (interactive) | |
a01588fc RS |
1188 | (kill-all-local-variables) |
1189 | (setq mode-name "HTML" | |
1190 | major-mode 'html-mode) | |
1caf38eb RS |
1191 | (sgml-mode-common html-tag-face-alist html-display-text) |
1192 | (use-local-map html-mode-map) | |
1193 | (make-local-variable 'sgml-tag-alist) | |
1194 | (make-local-variable 'sgml-face-tag-alist) | |
1195 | (make-local-variable 'sgml-tag-help) | |
1196 | (make-local-variable 'outline-regexp) | |
1197 | (make-local-variable 'outline-heading-end-regexp) | |
1198 | (make-local-variable 'outline-level) | |
da84bdc4 RS |
1199 | (make-local-variable 'sentence-end) |
1200 | (setq sentence-end | |
b8b14971 DL |
1201 | (if sentence-end-double-space |
1202 | "[.?!][]\"')}]*\\(<[^>]*>\\)*\\($\\| $\\|\t\\| \\)[ \t\n]*" | |
1203 | ||
1204 | "[.?!][]\"')}]*\\(<[^>]*>\\)*\\($\\| \\|\t\\)[ \t\n]*")) | |
a01588fc | 1205 | (setq sgml-tag-alist html-tag-alist |
1caf38eb RS |
1206 | sgml-face-tag-alist html-face-tag-alist |
1207 | sgml-tag-help html-tag-help | |
1208 | outline-regexp "^.*<[Hh][1-6]\\>" | |
1209 | outline-heading-end-regexp "</[Hh][1-6]>" | |
1210 | outline-level (lambda () | |
1211 | (char-after (1- (match-end 0))))) | |
3bf0b727 RS |
1212 | (setq imenu-create-index-function 'html-imenu-index) |
1213 | (make-local-variable 'imenu-sort-function) | |
1214 | (setq imenu-sort-function nil) ; sorting the menu defeats the purpose | |
a01588fc | 1215 | (run-hooks 'text-mode-hook 'sgml-mode-hook 'html-mode-hook)) |
3bf0b727 RS |
1216 | \f |
1217 | (defvar html-imenu-regexp | |
1218 | "\\s-*<h\\([1-9]\\)[^\n<>]*>\\(<[^\n<>]*>\\)*\\s-*\\([^\n<>]*\\)" | |
1219 | "*A regular expression matching a head line to be added to the menu. | |
1220 | The first `match-string' should be a number from 1-9. | |
1221 | The second `match-string' matches extra tags and is ignored. | |
1222 | The third `match-string' will be the used in the menu.") | |
1223 | ||
1224 | (defun html-imenu-index () | |
1225 | "Return an table of contents for an HTML buffer for use with Imenu." | |
1226 | (let (toc-index) | |
1227 | (save-excursion | |
1228 | (goto-char (point-min)) | |
1229 | (while (re-search-forward html-imenu-regexp nil t) | |
1230 | (setq toc-index | |
1231 | (cons (cons (concat (make-string | |
1232 | (* 2 (1- (string-to-number (match-string 1)))) | |
1233 | ?\ ) | |
1234 | (match-string 3)) | |
1235 | (save-excursion (beginning-of-line) (point))) | |
1236 | toc-index)))) | |
1237 | (nreverse toc-index))) | |
1caf38eb | 1238 | |
3bf0b727 RS |
1239 | (defun html-autoview-mode (&optional arg) |
1240 | "Toggle automatic viewing via `html-viewer' upon saving buffer. | |
1241 | With positive prefix ARG always turns viewing on, with negative ARG always off. | |
1242 | Can be used as a value for `html-mode-hook'." | |
1243 | (interactive "P") | |
1244 | (if (setq arg (if arg | |
1245 | (< (prefix-numeric-value arg) 0) | |
1246 | (and (boundp 'after-save-hook) | |
1247 | (memq 'browse-url-of-buffer after-save-hook)))) | |
1248 | (setq after-save-hook (delq 'browse-url-of-buffer after-save-hook)) | |
1249 | (make-local-hook 'after-save-hook) | |
1250 | (add-hook 'after-save-hook 'browse-url-of-buffer nil t)) | |
1251 | (message "Autoviewing turned %s." | |
1252 | (if arg "off" "on"))) | |
1253 | \f | |
1caf38eb RS |
1254 | (define-skeleton html-href-anchor |
1255 | "HTML anchor tag with href attribute." | |
a391b179 RS |
1256 | "URL: " |
1257 | '(setq input "http:") | |
1258 | "<a href=\"" str "\">" _ "</a>") | |
1caf38eb RS |
1259 | |
1260 | (define-skeleton html-name-anchor | |
1261 | "HTML anchor tag with name attribute." | |
a391b179 RS |
1262 | "Name: " |
1263 | "<a name=\"" str "\">" _ "</a>") | |
1caf38eb | 1264 | |
7e49eef2 RS |
1265 | (define-skeleton html-headline-1 |
1266 | "HTML level 1 headline tags." | |
1267 | nil | |
1268 | "<h1>" _ "</h1>") | |
1269 | ||
1270 | (define-skeleton html-headline-2 | |
1271 | "HTML level 2 headline tags." | |
1272 | nil | |
1273 | "<h2>" _ "</h2>") | |
1274 | ||
1275 | (define-skeleton html-headline-3 | |
1276 | "HTML level 3 headline tags." | |
1277 | nil | |
1278 | "<h3>" _ "</h3>") | |
1279 | ||
1280 | (define-skeleton html-headline-4 | |
1281 | "HTML level 4 headline tags." | |
1282 | nil | |
1283 | "<h4>" _ "</h4>") | |
1284 | ||
1285 | (define-skeleton html-headline-5 | |
1286 | "HTML level 5 headline tags." | |
1287 | nil | |
1288 | "<h5>" _ "</h5>") | |
1289 | ||
1290 | (define-skeleton html-headline-6 | |
1291 | "HTML level 6 headline tags." | |
1292 | nil | |
1293 | "<h6>" _ "</h6>") | |
1caf38eb RS |
1294 | |
1295 | (define-skeleton html-horizontal-rule | |
1296 | "HTML horizontal rule tag." | |
1297 | nil | |
1298 | "<hr>" \n) | |
1299 | ||
1300 | (define-skeleton html-image | |
1301 | "HTML image tag." | |
1302 | nil | |
a391b179 | 1303 | "<img src=\"" _ "\">") |
1caf38eb RS |
1304 | |
1305 | (define-skeleton html-line | |
1306 | "HTML line break tag." | |
1307 | nil | |
1308 | "<br>" \n) | |
1309 | ||
7e49eef2 RS |
1310 | (define-skeleton html-ordered-list |
1311 | "HTML ordered list tags." | |
1312 | nil | |
a391b179 | 1313 | "<ol>" \n |
7e49eef2 RS |
1314 | "<li>" _ \n |
1315 | "</ol>") | |
1316 | ||
1317 | (define-skeleton html-unordered-list | |
1318 | "HTML unordered list tags." | |
1319 | nil | |
a391b179 | 1320 | "<ul>" \n |
1caf38eb | 1321 | "<li>" _ \n |
7e49eef2 | 1322 | "</ul>") |
1caf38eb RS |
1323 | |
1324 | (define-skeleton html-list-item | |
1325 | "HTML list item tag." | |
1326 | nil | |
1327 | (if (bolp) nil '\n) | |
1328 | "<li>") | |
1329 | ||
1330 | (define-skeleton html-paragraph | |
1331 | "HTML paragraph tag." | |
1332 | nil | |
1333 | (if (bolp) nil ?\n) | |
1334 | \n "<p>") | |
1335 | ||
fcc3195e RS |
1336 | (define-skeleton html-checkboxes |
1337 | "Group of connected checkbox inputs." | |
1338 | nil | |
a391b179 RS |
1339 | '(setq v1 nil |
1340 | v2 nil) | |
1341 | ("Value: " | |
d10447ba | 1342 | "<input type=\"" (identity "checkbox") ; see comment above about identity |
a391b179 | 1343 | "\" name=\"" (or v1 (setq v1 (skeleton-read "Name: "))) |
fcc3195e | 1344 | "\" value=\"" str ?\" |
a391b179 RS |
1345 | (if (y-or-n-p "Set \"checked\" attribute? ") |
1346 | (funcall skeleton-transformation " checked")) ">" | |
1347 | (skeleton-read "Text: " (capitalize str)) | |
1348 | (or v2 (setq v2 (if (y-or-n-p "Newline after text? ") | |
1349 | (funcall skeleton-transformation "<br>") | |
1350 | ""))) | |
1351 | \n)) | |
fcc3195e | 1352 | |
1caf38eb RS |
1353 | (define-skeleton html-radio-buttons |
1354 | "Group of connected radio button inputs." | |
1355 | nil | |
a391b179 RS |
1356 | '(setq v1 nil |
1357 | v2 (cons nil nil)) | |
1358 | ("Value: " | |
d10447ba | 1359 | "<input type=\"" (identity "radio") ; see comment above about identity |
a391b179 | 1360 | "\" name=\"" (or (car v2) (setcar v2 (skeleton-read "Name: "))) |
1caf38eb | 1361 | "\" value=\"" str ?\" |
a391b179 RS |
1362 | (if (and (not v1) (setq v1 (y-or-n-p "Set \"checked\" attribute? "))) |
1363 | (funcall skeleton-transformation " checked") ">") | |
1364 | (skeleton-read "Text: " (capitalize str)) | |
1365 | (or (cdr v2) (setcdr v2 (if (y-or-n-p "Newline after text? ") | |
1366 | (funcall skeleton-transformation "<br>") | |
1367 | ""))) | |
1368 | \n)) | |
1caf38eb | 1369 | |
72c0ae01 | 1370 | ;;; sgml-mode.el ends here |