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be010748 | 1 | ;;; makeinfo.el --- run makeinfo conveniently |
bab8cd70 | 2 | |
be010748 | 3 | ;; Copyright (C) 1991, 1993 Free Software Foundation, Inc. |
bab8cd70 | 4 | |
be010748 RS |
5 | ;; Author: Robert J. Chassell |
6 | ;; Maintainer: FSF | |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
bab8cd70 RS |
9 | |
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
bab8cd70 RS |
24 | |
25 | ;;; Commentary: | |
26 | ||
27 | ;;; The Texinfo mode `makeinfo' related commands are: | |
28 | ||
29 | ;; makeinfo-region to run makeinfo on the current region. | |
30 | ;; makeinfo-buffer to run makeinfo on the current buffer, or | |
31 | ;; with optional prefix arg, on current region | |
32 | ;; kill-compilation to kill currently running makeinfo job | |
33 | ;; makeinfo-recenter-makeinfo-buffer to redisplay *compilation* buffer | |
34 | ||
35 | ;;; Keybindings (defined in `texinfo.el') | |
36 | ||
37 | ;; makeinfo bindings | |
38 | ; (define-key texinfo-mode-map "\C-c\C-m\C-r" 'makeinfo-region) | |
39 | ; (define-key texinfo-mode-map "\C-c\C-m\C-b" 'makeinfo-buffer) | |
40 | ; (define-key texinfo-mode-map "\C-c\C-m\C-k" 'kill-compilation) | |
41 | ; (define-key texinfo-mode-map "\C-c\C-m\C-l" | |
42 | ; 'makeinfo-recenter-compilation-buffer) | |
43 | \f | |
44 | ;;; Code: | |
45 | ||
46 | ;;; Variables used by `makeinfo' | |
47 | ||
48 | (require 'compile) | |
49 | ||
50 | (defvar makeinfo-run-command "makeinfo" | |
51 | "*Command used to run `makeinfo' subjob. | |
52 | The name of the file is appended to this string, separated by a space.") | |
53 | ||
f66c5d9a | 54 | (defvar makeinfo-options "--fill-column=70" |
bab8cd70 RS |
55 | "*String containing options for running `makeinfo'. |
56 | Do not include `--footnote-style' or `--paragraph-indent'; | |
57 | the proper way to specify those is with the Texinfo commands | |
58 | `@footnotestyle` and `@paragraphindent'.") | |
59 | ||
60 | (require 'texinfo) | |
bab8cd70 RS |
61 | |
62 | (defvar makeinfo-compilation-process nil | |
63 | "Process that runs `makeinfo'. Should start out nil.") | |
64 | ||
65 | (defvar makeinfo-temp-file nil | |
66 | "Temporary file name used for text being sent as input to `makeinfo'.") | |
67 | ||
68 | (defvar makeinfo-output-file-name nil | |
69 | "Info file name used for text output by `makeinfo'.") | |
70 | ||
71 | \f | |
72 | ;;; The `makeinfo' function definitions | |
73 | ||
74 | (defun makeinfo-region (region-beginning region-end) | |
75 | "Make Info file from region of current Texinfo file, and switch to it. | |
76 | ||
77 | This command does not offer the `next-error' feature since it would | |
78 | apply to a temporary file, not the original; use the `makeinfo-buffer' | |
79 | command to gain use of `next-error'." | |
80 | ||
81 | (interactive "r") | |
82 | (let (filename-or-header | |
83 | filename-or-header-beginning | |
84 | filename-or-header-end) | |
85 | ;; Cannot use `let' for makeinfo-temp-file or | |
86 | ;; makeinfo-output-file-name since `makeinfo-compilation-sentinel' | |
87 | ;; needs them. | |
88 | ||
89 | (setq makeinfo-temp-file | |
90 | (concat | |
91 | (make-temp-name | |
92 | (substring (buffer-file-name) | |
93 | 0 | |
94 | (or (string-match "\\.tex" (buffer-file-name)) | |
95 | (length (buffer-file-name))))) | |
96 | ".texinfo")) | |
97 | ||
98 | (save-excursion | |
99 | (save-restriction | |
100 | (widen) | |
101 | (goto-char (point-min)) | |
102 | (let ((search-end (save-excursion (forward-line 100) (point)))) | |
103 | ;; Find and record the Info filename, | |
104 | ;; or else explain that a filename is needed. | |
105 | (if (re-search-forward | |
106 | "^@setfilename[ \t]+\\([^ \t\n]+\\)[ \t]*" | |
107 | search-end t) | |
108 | (setq makeinfo-output-file-name | |
109 | (buffer-substring (match-beginning 1) (match-end 1))) | |
110 | (error | |
111 | "The texinfo file needs a line saying: @setfilename <name>")) | |
112 | ||
113 | ;; Find header and specify its beginning and end. | |
114 | (goto-char (point-min)) | |
115 | (if (and | |
116 | (prog1 | |
86c57d9f | 117 | (search-forward tex-start-of-header search-end t) |
bab8cd70 RS |
118 | (beginning-of-line) |
119 | ;; Mark beginning of header. | |
120 | (setq filename-or-header-beginning (point))) | |
121 | (prog1 | |
86c57d9f | 122 | (search-forward tex-end-of-header nil t) |
bab8cd70 RS |
123 | (beginning-of-line) |
124 | ;; Mark end of header | |
125 | (setq filename-or-header-end (point)))) | |
126 | ||
127 | ;; Insert the header into the temporary file. | |
128 | (write-region | |
129 | (min filename-or-header-beginning region-beginning) | |
130 | filename-or-header-end | |
131 | makeinfo-temp-file nil nil) | |
132 | ||
133 | ;; Else no header; insert @filename line into temporary file. | |
134 | (goto-char (point-min)) | |
135 | (search-forward "@setfilename" search-end t) | |
136 | (beginning-of-line) | |
137 | (setq filename-or-header-beginning (point)) | |
138 | (forward-line 1) | |
139 | (setq filename-or-header-end (point)) | |
140 | (write-region | |
141 | (min filename-or-header-beginning region-beginning) | |
142 | filename-or-header-end | |
143 | makeinfo-temp-file nil nil)) | |
144 | ||
145 | ;; Insert the region into the file. | |
146 | (write-region | |
147 | (max region-beginning filename-or-header-end) | |
148 | region-end | |
149 | makeinfo-temp-file t nil) | |
150 | ||
151 | ;; Run the `makeinfo-compile' command in the *compilation* buffer | |
152 | (save-excursion | |
153 | (makeinfo-compile | |
154 | (concat makeinfo-run-command | |
155 | " " | |
156 | makeinfo-options | |
157 | " " | |
158 | makeinfo-temp-file) | |
0f99112d RS |
159 | "Use `makeinfo-buffer' to gain use of the `next-error' command" |
160 | nil))))))) | |
161 | ||
162 | ;;; Actually run makeinfo. COMMAND is the command to run. | |
163 | ;;; ERROR-MESSAGE is what to say when next-error can't find another error. | |
164 | ;;; If PARSE-ERRORS is non-nil, do try to parse error messages. | |
165 | (defun makeinfo-compile (command error-message parse-errors) | |
166 | (let ((buffer | |
167 | (compile-internal command error-message nil | |
168 | (and (not parse-errors) | |
169 | ;; If we do want to parse errors, pass nil. | |
170 | ;; Otherwise, use this function, which won't | |
171 | ;; ever find any errors. | |
172 | '(lambda (&rest ignore) | |
173 | (setq compilation-error-list nil)))))) | |
174 | (set-process-sentinel (get-buffer-process buffer) | |
175 | 'makeinfo-compilation-sentinel))) | |
176 | ||
177 | ;; Delete makeinfo-temp-file after processing is finished, | |
bab8cd70 RS |
178 | ;; and visit Info file. |
179 | ;; This function is called when the compilation process changes state. | |
180 | ;; Based on `compilation-sentinel' in compile.el | |
181 | (defun makeinfo-compilation-sentinel (proc msg) | |
0f99112d RS |
182 | (compilation-sentinel proc msg) |
183 | (if (and makeinfo-temp-file (file-exists-p makeinfo-temp-file)) | |
184 | (delete-file makeinfo-temp-file)) | |
185 | ;; Always use the version on disk. | |
186 | (if (get-file-buffer makeinfo-output-file-name) | |
187 | (progn (set-buffer makeinfo-output-file-name) | |
188 | (revert-buffer t t)) | |
189 | (find-file makeinfo-output-file-name)) | |
190 | (goto-char (point-min))) | |
191 | ||
192 | (defun makeinfo-buffer () | |
bab8cd70 RS |
193 | "Make Info file from current buffer. |
194 | ||
0f99112d RS |
195 | Use the \\[next-error] command to move to the next error |
196 | \(if there are errors\)." | |
197 | ||
198 | (interactive) | |
bab8cd70 | 199 | (cond ((null buffer-file-name) |
0f99112d | 200 | (error "Buffer not visiting any file")) |
bab8cd70 RS |
201 | ((buffer-modified-p) |
202 | (if (y-or-n-p "Buffer modified; do you want to save it? ") | |
203 | (save-buffer)))) | |
204 | ||
205 | ;; Find and record the Info filename, | |
206 | ;; or else explain that a filename is needed. | |
207 | (save-excursion | |
208 | (goto-char (point-min)) | |
209 | (let ((search-end (save-excursion (forward-line 100) (point)))) | |
210 | (if (re-search-forward | |
211 | "^@setfilename[ \t]+\\([^ \t\n]+\\)[ \t]*" | |
212 | search-end t) | |
213 | (setq makeinfo-output-file-name | |
214 | (buffer-substring (match-beginning 1) (match-end 1))) | |
215 | (error | |
216 | "The texinfo file needs a line saying: @setfilename <name>")))) | |
217 | ||
218 | (save-excursion | |
219 | (makeinfo-compile | |
0f99112d RS |
220 | (concat makeinfo-run-command " " makeinfo-options |
221 | " " buffer-file-name) | |
222 | "No more errors." | |
223 | t))) | |
bab8cd70 RS |
224 | |
225 | (defun makeinfo-recenter-compilation-buffer (linenum) | |
226 | "Redisplay `*compilation*' buffer so most recent output can be seen. | |
227 | The last line of the buffer is displayed on | |
228 | line LINE of the window, or centered if LINE is nil." | |
229 | (interactive "P") | |
230 | (let ((makeinfo-buffer (get-buffer "*compilation*")) | |
231 | (old-buffer (current-buffer))) | |
232 | (if (null makeinfo-buffer) | |
233 | (message "No *compilation* buffer") | |
234 | (pop-to-buffer makeinfo-buffer) | |
235 | (bury-buffer makeinfo-buffer) | |
236 | (goto-char (point-max)) | |
237 | (recenter (if linenum | |
238 | (prefix-numeric-value linenum) | |
239 | (/ (window-height) 2))) | |
240 | (pop-to-buffer old-buffer) | |
241 | ))) | |
242 | ||
bab8cd70 RS |
243 | ;;; Place `provide' at end of file. |
244 | (provide 'makeinfo) | |
245 | ||
246 | ;;; makeinfo.el ends here | |
247 |