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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 | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to | |
22 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | ||
24 | ;;; Commentary: | |
25 | ||
26 | ;;; The Texinfo mode `makeinfo' related commands are: | |
27 | ||
28 | ;; makeinfo-region to run makeinfo on the current region. | |
29 | ;; makeinfo-buffer to run makeinfo on the current buffer, or | |
30 | ;; with optional prefix arg, on current region | |
31 | ;; kill-compilation to kill currently running makeinfo job | |
32 | ;; makeinfo-recenter-makeinfo-buffer to redisplay *compilation* buffer | |
33 | ||
34 | ;;; Keybindings (defined in `texinfo.el') | |
35 | ||
36 | ;; makeinfo bindings | |
37 | ; (define-key texinfo-mode-map "\C-c\C-m\C-r" 'makeinfo-region) | |
38 | ; (define-key texinfo-mode-map "\C-c\C-m\C-b" 'makeinfo-buffer) | |
39 | ; (define-key texinfo-mode-map "\C-c\C-m\C-k" 'kill-compilation) | |
40 | ; (define-key texinfo-mode-map "\C-c\C-m\C-l" | |
41 | ; 'makeinfo-recenter-compilation-buffer) | |
42 | \f | |
43 | ;;; Code: | |
44 | ||
45 | ;;; Variables used by `makeinfo' | |
46 | ||
47 | (require 'compile) | |
48 | ||
49 | (defvar makeinfo-run-command "makeinfo" | |
50 | "*Command used to run `makeinfo' subjob. | |
51 | The name of the file is appended to this string, separated by a space.") | |
52 | ||
f66c5d9a | 53 | (defvar makeinfo-options "--fill-column=70" |
bab8cd70 RS |
54 | "*String containing options for running `makeinfo'. |
55 | Do not include `--footnote-style' or `--paragraph-indent'; | |
56 | the proper way to specify those is with the Texinfo commands | |
57 | `@footnotestyle` and `@paragraphindent'.") | |
58 | ||
59 | (require 'texinfo) | |
bab8cd70 RS |
60 | |
61 | (defvar makeinfo-compilation-process nil | |
62 | "Process that runs `makeinfo'. Should start out nil.") | |
63 | ||
64 | (defvar makeinfo-temp-file nil | |
65 | "Temporary file name used for text being sent as input to `makeinfo'.") | |
66 | ||
67 | (defvar makeinfo-output-file-name nil | |
68 | "Info file name used for text output by `makeinfo'.") | |
69 | ||
70 | \f | |
71 | ;;; The `makeinfo' function definitions | |
72 | ||
73 | (defun makeinfo-region (region-beginning region-end) | |
74 | "Make Info file from region of current Texinfo file, and switch to it. | |
75 | ||
76 | This command does not offer the `next-error' feature since it would | |
77 | apply to a temporary file, not the original; use the `makeinfo-buffer' | |
78 | command to gain use of `next-error'." | |
79 | ||
80 | (interactive "r") | |
81 | (let (filename-or-header | |
82 | filename-or-header-beginning | |
83 | filename-or-header-end) | |
84 | ;; Cannot use `let' for makeinfo-temp-file or | |
85 | ;; makeinfo-output-file-name since `makeinfo-compilation-sentinel' | |
86 | ;; needs them. | |
87 | ||
88 | (setq makeinfo-temp-file | |
89 | (concat | |
90 | (make-temp-name | |
91 | (substring (buffer-file-name) | |
92 | 0 | |
93 | (or (string-match "\\.tex" (buffer-file-name)) | |
94 | (length (buffer-file-name))))) | |
95 | ".texinfo")) | |
96 | ||
97 | (save-excursion | |
98 | (save-restriction | |
99 | (widen) | |
100 | (goto-char (point-min)) | |
101 | (let ((search-end (save-excursion (forward-line 100) (point)))) | |
102 | ;; Find and record the Info filename, | |
103 | ;; or else explain that a filename is needed. | |
104 | (if (re-search-forward | |
105 | "^@setfilename[ \t]+\\([^ \t\n]+\\)[ \t]*" | |
106 | search-end t) | |
107 | (setq makeinfo-output-file-name | |
108 | (buffer-substring (match-beginning 1) (match-end 1))) | |
109 | (error | |
110 | "The texinfo file needs a line saying: @setfilename <name>")) | |
111 | ||
112 | ;; Find header and specify its beginning and end. | |
113 | (goto-char (point-min)) | |
114 | (if (and | |
115 | (prog1 | |
86c57d9f | 116 | (search-forward tex-start-of-header search-end t) |
bab8cd70 RS |
117 | (beginning-of-line) |
118 | ;; Mark beginning of header. | |
119 | (setq filename-or-header-beginning (point))) | |
120 | (prog1 | |
86c57d9f | 121 | (search-forward tex-end-of-header nil t) |
bab8cd70 RS |
122 | (beginning-of-line) |
123 | ;; Mark end of header | |
124 | (setq filename-or-header-end (point)))) | |
125 | ||
126 | ;; Insert the header into the temporary file. | |
127 | (write-region | |
128 | (min filename-or-header-beginning region-beginning) | |
129 | filename-or-header-end | |
130 | makeinfo-temp-file nil nil) | |
131 | ||
132 | ;; Else no header; insert @filename line into temporary file. | |
133 | (goto-char (point-min)) | |
134 | (search-forward "@setfilename" search-end t) | |
135 | (beginning-of-line) | |
136 | (setq filename-or-header-beginning (point)) | |
137 | (forward-line 1) | |
138 | (setq filename-or-header-end (point)) | |
139 | (write-region | |
140 | (min filename-or-header-beginning region-beginning) | |
141 | filename-or-header-end | |
142 | makeinfo-temp-file nil nil)) | |
143 | ||
144 | ;; Insert the region into the file. | |
145 | (write-region | |
146 | (max region-beginning filename-or-header-end) | |
147 | region-end | |
148 | makeinfo-temp-file t nil) | |
149 | ||
150 | ;; Run the `makeinfo-compile' command in the *compilation* buffer | |
151 | (save-excursion | |
152 | (makeinfo-compile | |
153 | (concat makeinfo-run-command | |
154 | " " | |
155 | makeinfo-options | |
156 | " " | |
157 | makeinfo-temp-file) | |
0f99112d RS |
158 | "Use `makeinfo-buffer' to gain use of the `next-error' command" |
159 | nil))))))) | |
160 | ||
161 | ;;; Actually run makeinfo. COMMAND is the command to run. | |
162 | ;;; ERROR-MESSAGE is what to say when next-error can't find another error. | |
163 | ;;; If PARSE-ERRORS is non-nil, do try to parse error messages. | |
164 | (defun makeinfo-compile (command error-message parse-errors) | |
165 | (let ((buffer | |
166 | (compile-internal command error-message nil | |
167 | (and (not parse-errors) | |
168 | ;; If we do want to parse errors, pass nil. | |
169 | ;; Otherwise, use this function, which won't | |
170 | ;; ever find any errors. | |
171 | '(lambda (&rest ignore) | |
172 | (setq compilation-error-list nil)))))) | |
173 | (set-process-sentinel (get-buffer-process buffer) | |
174 | 'makeinfo-compilation-sentinel))) | |
175 | ||
176 | ;; Delete makeinfo-temp-file after processing is finished, | |
bab8cd70 RS |
177 | ;; and visit Info file. |
178 | ;; This function is called when the compilation process changes state. | |
179 | ;; Based on `compilation-sentinel' in compile.el | |
180 | (defun makeinfo-compilation-sentinel (proc msg) | |
0f99112d RS |
181 | (compilation-sentinel proc msg) |
182 | (if (and makeinfo-temp-file (file-exists-p makeinfo-temp-file)) | |
183 | (delete-file makeinfo-temp-file)) | |
184 | ;; Always use the version on disk. | |
185 | (if (get-file-buffer makeinfo-output-file-name) | |
186 | (progn (set-buffer makeinfo-output-file-name) | |
187 | (revert-buffer t t)) | |
188 | (find-file makeinfo-output-file-name)) | |
189 | (goto-char (point-min))) | |
190 | ||
191 | (defun makeinfo-buffer () | |
bab8cd70 RS |
192 | "Make Info file from current buffer. |
193 | ||
0f99112d RS |
194 | Use the \\[next-error] command to move to the next error |
195 | \(if there are errors\)." | |
196 | ||
197 | (interactive) | |
bab8cd70 | 198 | (cond ((null buffer-file-name) |
0f99112d | 199 | (error "Buffer not visiting any file")) |
bab8cd70 RS |
200 | ((buffer-modified-p) |
201 | (if (y-or-n-p "Buffer modified; do you want to save it? ") | |
202 | (save-buffer)))) | |
203 | ||
204 | ;; Find and record the Info filename, | |
205 | ;; or else explain that a filename is needed. | |
206 | (save-excursion | |
207 | (goto-char (point-min)) | |
208 | (let ((search-end (save-excursion (forward-line 100) (point)))) | |
209 | (if (re-search-forward | |
210 | "^@setfilename[ \t]+\\([^ \t\n]+\\)[ \t]*" | |
211 | search-end t) | |
212 | (setq makeinfo-output-file-name | |
213 | (buffer-substring (match-beginning 1) (match-end 1))) | |
214 | (error | |
215 | "The texinfo file needs a line saying: @setfilename <name>")))) | |
216 | ||
217 | (save-excursion | |
218 | (makeinfo-compile | |
0f99112d RS |
219 | (concat makeinfo-run-command " " makeinfo-options |
220 | " " buffer-file-name) | |
221 | "No more errors." | |
222 | t))) | |
bab8cd70 RS |
223 | |
224 | (defun makeinfo-recenter-compilation-buffer (linenum) | |
225 | "Redisplay `*compilation*' buffer so most recent output can be seen. | |
226 | The last line of the buffer is displayed on | |
227 | line LINE of the window, or centered if LINE is nil." | |
228 | (interactive "P") | |
229 | (let ((makeinfo-buffer (get-buffer "*compilation*")) | |
230 | (old-buffer (current-buffer))) | |
231 | (if (null makeinfo-buffer) | |
232 | (message "No *compilation* buffer") | |
233 | (pop-to-buffer makeinfo-buffer) | |
234 | (bury-buffer makeinfo-buffer) | |
235 | (goto-char (point-max)) | |
236 | (recenter (if linenum | |
237 | (prefix-numeric-value linenum) | |
238 | (/ (window-height) 2))) | |
239 | (pop-to-buffer old-buffer) | |
240 | ))) | |
241 | ||
bab8cd70 RS |
242 | ;;; Place `provide' at end of file. |
243 | (provide 'makeinfo) | |
244 | ||
245 | ;;; makeinfo.el ends here | |
246 |