yatex

view yatexsec.el @ 45:b0fc9c2950cd

Prepare for supporting Emacs-19.
author yuuji
date Sun, 24 Jul 1994 15:07:23 +0000
parents
children cd1b63102eed
line source
1 ;;; -*- Emacs-Lisp -*-
2 ;;; YaTeX sectioning browser.
3 ;;; yatexsec.el
4 ;;; (c ) 1994 by HIROSE Yuuji [yuuji@ae.keio.ac.jp]
5 ;;; Last modified Thu Jul 7 01:26:26 1994 on 98fa
6 ;;; $Id$
8 (defvar YaTeX-sectioning-level
9 '(("part" . 0) ("chapter" . 1) ("section" . 2) ("subsection" . 3)
10 ("subsubsection" . 4) ("paragraph" . 5) ("subparagraph" . 6))
11 "Sectioning level.")
13 (defun YaTeX-sectioning-map-hide (map)
14 (let ((ch ?0))
15 (while (<= ch ?9)
16 (define-key map (char-to-string ch) 'YaTeX-sectioning-hide)
17 (setq ch (1+ ch))))
18 )
20 (defvar YaTeX-minibuffer-sectioning-map nil
21 "Key map used in minibuffer for sectioning.")
22 (if YaTeX-minibuffer-sectioning-map nil
23 (setq YaTeX-minibuffer-sectioning-map
24 (copy-keymap minibuffer-local-completion-map))
25 (define-key YaTeX-minibuffer-sectioning-map "\C-p"
26 'YaTeX-sectioning-up)
27 (define-key YaTeX-minibuffer-sectioning-map "\C-e"
28 'YaTeX-sectioning-up)
29 (define-key YaTeX-minibuffer-sectioning-map "\C-i"
30 'YaTeX-minibuffer-complete)
31 (define-key YaTeX-minibuffer-sectioning-map " "
32 'YaTeX-minibuffer-complete)
33 (define-key YaTeX-minibuffer-sectioning-map "\C-n"
34 'YaTeX-sectioning-down)
35 (define-key YaTeX-minibuffer-sectioning-map "\C-x"
36 'YaTeX-sectioning-down)
37 (define-key YaTeX-minibuffer-sectioning-map "\C-v"
38 'YaTeX-sectioning-scroll-up)
39 (define-key YaTeX-minibuffer-sectioning-map "\C-c"
40 'YaTeX-sectioning-scroll-up)
41 (define-key YaTeX-minibuffer-sectioning-map "\M-v"
42 'YaTeX-sectioning-scroll-down)
43 (define-key YaTeX-minibuffer-sectioning-map "\C-r"
44 'YaTeX-sectioning-scroll-down)
45 (define-key YaTeX-minibuffer-sectioning-map "\C-w"
46 '(lambda () (interactive) (YaTeX-sectioning-scroll-down 1)))
47 (define-key YaTeX-minibuffer-sectioning-map "\C-z"
48 '(lambda () (interactive) (YaTeX-sectioning-scroll-up 1)))
49 (define-key YaTeX-minibuffer-sectioning-map "\C-l"
50 'YaTeX-sectioning-recenter)
51 (define-key YaTeX-minibuffer-sectioning-map "?"
52 'YaTeX-sectioning-help)
53 (YaTeX-sectioning-map-hide YaTeX-minibuffer-sectioning-map)
54 )
56 (defvar YaTeX-sectioning-buffer-map nil
57 "Key map used in YaTeX-sectioning-buffer.")
58 (if YaTeX-sectioning-buffer-map nil
59 (setq YaTeX-sectioning-buffer-map (make-sparse-keymap))
60 (define-key YaTeX-sectioning-buffer-map " "
61 'YaTeX-sectioning-buffer-jump)
62 (define-key YaTeX-sectioning-buffer-map (concat YaTeX-prefix "\C-c")
63 'YaTeX-sectioning-buffer-jump)
64 (YaTeX-sectioning-map-hide YaTeX-sectioning-buffer-map)
65 )
67 (defvar YaTeX-sectioning-buffer-parent nil)
68 (defun YaTeX-sectioning-buffer-jump ()
69 (interactive)
70 (if (and YaTeX-sectioning-buffer-parent
71 (get-buffer YaTeX-sectioning-buffer-parent))
72 (let (ptn)
73 (beginning-of-line)
74 (if (re-search-forward YaTeX-sectioning-regexp)
75 (progn (setq ptn (buffer-substring
76 (1- (match-beginning 0))
77 (progn (skip-chars-forward "^}") (1+ (point)))))
78 (YaTeX-showup-buffer YaTeX-sectioning-buffer-parent nil t)
79 (goto-char (point-max))
80 (search-backward ptn))
81 (message "No line number expression."))))
82 )
84 (defun YaTeX-sectioning-hide-under (n)
85 "Hide sectioning commands under level N."
86 (let ((cw (selected-window)))
87 (YaTeX-showup-buffer YaTeX-sectioning-buffer nil t)
88 (if (>= n (1- (length YaTeX-sectioning-level)))
89 (progn
90 (set-selective-display nil)
91 (message "Show all."))
92 (set-selective-display (1+ n))
93 (if (nth n YaTeX-sectioning-level)
94 (message "Hide lower than %s" (car (nth n YaTeX-sectioning-level)))
95 (message "")))
96 (if (numberp selective-display)
97 (setq mode-name (format "level %d" (1- selective-display)))
98 (setq mode-name (format "all")))
99 (select-window cw))
100 )
101 (defun YaTeX-sectioning-hide ()
102 "Call YaTeX-sectioning-hide-under with argument according to pressed key."
103 (interactive)
104 (YaTeX-sectioning-hide-under (- last-command-char ?0)))
106 (defun YaTeX-sectioning-help ()
107 "Show help of sectioning."
108 (interactive)
109 (let ((cw (selected-window)) sb (hb (get-buffer-create "*Help*")))
110 (unwind-protect
111 (progn
112 (other-window 1)
113 (setq sb (current-buffer))
114 (switch-to-buffer hb)
115 (erase-buffer)
116 (insert "===== View sectioning =====
117 C-p Up sectioning level. 0 Show only \\part,
118 C-n Down sectioning level. 1 and \\chapter,
119 C-v Scroll up *Sectioning line* buffer. 2 and \\section,
120 M-v Scroll down *Sectioning line* buffer. 3 and \\subsection,
121 SPC Complete word. 4 and \\subsubsection,
122 TAB Complete word. 5 and \\paragraph.
123 C-l Recenter recent line. 6 Show all.
124 RET Select.
125 ==== End of HELP =====
126 ")
127 (set-buffer-modified-p nil)
128 (goto-char (point-min))
129 (momentary-string-display "" (point-min)))
130 (bury-buffer hb)
131 (switch-to-buffer sb)
132 (select-window cw)))
133 )
135 (defun YaTeX-sectioning-up (n)
136 "Up section level.
137 Refers the YaTeX-read-section-in-minibuffer's local variable minibuffer-start."
138 (interactive "p")
139 (if (eq (selected-window) (minibuffer-window))
140 (let*((command (buffer-string))
141 (alist YaTeX-sectioning-level)
142 (level (cdr-safe (assoc command alist))))
143 (or level (error "No such sectioning command."))
144 (setq level (- level n))
145 (if (or (< level 0) (>= level (length alist)))
146 (ding)
147 (erase-buffer)
148 (insert (car (nth level alist))))
149 ))
150 )
152 (defun YaTeX-sectioning-down (n)
153 "Down section level."
154 (interactive "p")
155 (YaTeX-sectioning-up (- n))
156 )
158 (defun YaTeX-sectioning-scroll-up (n)
159 (interactive "P")
160 (let ((section-buffer YaTeX-sectioning-buffer)
161 (cw (selected-window)))
162 (YaTeX-showup-buffer section-buffer nil t)
163 (unwind-protect
164 (scroll-up (or n (- (window-height) 2)))
165 (select-window cw)))
166 )
168 (defun YaTeX-sectioning-scroll-down (n)
169 (interactive "P")
170 (let ((section-buffer YaTeX-sectioning-buffer)
171 (cw (selected-window)))
172 (YaTeX-showup-buffer section-buffer nil t)
173 (unwind-protect
174 (scroll-down (or n (- (window-height) 2)))
175 (select-window cw)))
176 )
178 (defun YaTeX-sectioning-recenter (arg)
179 "Recenter `<<--' line"
180 (interactive "P")
181 (let ((cw (selected-window)))
182 (unwind-protect
183 (progn
184 (YaTeX-showup-buffer YaTeX-sectioning-buffer nil t)
185 (or (search-forward "<<--" nil t)
186 (search-backward "<<--" nil t))
187 (recenter (or arg (/ (window-height) 2))))
188 (select-window cw)))
189 )
191 (defvar YaTeX-sectioning-minibuffer " *sectioning*"
192 "Miniuffer used for sectioning")
193 (defun YaTeX-read-section-in-minibuffer (prompt table &optional default delim)
194 (interactive)
195 (let ((minibuffer-completion-table table))
196 (read-from-minibuffer
197 prompt default YaTeX-minibuffer-sectioning-map))
198 )
200 (defun YaTeX-get-sectioning-level ()
201 "Get section-level on the cursor."
202 (cdr-safe (assoc (buffer-substring
203 (point)
204 (progn (skip-chars-forward "a-z") (point)))
205 YaTeX-sectioning-level))
206 )
208 (defvar YaTeX-sectioning-buffer "*Sectioning lines*")
209 (defun YaTeX-colloect-sections ()
210 "Collect all the lines which contains sectioning command."
211 (let ((cw (selected-window)) level indent begp (prevp 1) (prevl 1)
212 (pattern (concat YaTeX-ec-regexp
213 "\\(" YaTeX-sectioning-regexp "\\)\\*?{"))
214 (cb (current-buffer)))
215 (save-excursion
216 (YaTeX-showup-buffer YaTeX-sectioning-buffer) ;show buffer
217 (goto-char (point-min))
218 (with-output-to-temp-buffer YaTeX-sectioning-buffer
219 (while (re-search-forward pattern nil t)
220 (goto-char (1+ (match-beginning 0)))
221 (setq level (YaTeX-get-sectioning-level)
222 begp (match-beginning 0))
223 ;;(beginning-of-line)
224 ;;(skip-chars-forward " \t")
225 (setq indent (format "%%%ds" level))
226 (princ (format indent ""))
227 (if (YaTeX-on-comment-p) (princ "%"))
228 (princ (buffer-substring begp (progn (forward-list 1) (point))))
229 (setq prevl (+ prevl (count-lines prevp (point)) -1)
230 prevp (point))
231 (princ (format " (line:%d)" prevl))
232 (princ "\n")))
233 (set-buffer YaTeX-sectioning-buffer)
234 (make-local-variable 'YaTeX-sectioning-buffer-parent)
235 (use-local-map YaTeX-sectioning-buffer-map)
236 (setq YaTeX-sectioning-buffer-parent cb)
237 (if (numberp selective-display)
238 (setq mode-name (format "level %d" (1- selective-display))))
239 YaTeX-sectioning-buffer))
240 )
242 (defun YaTeX-section-overview ()
243 "Show section overview. Return the nearest sectioning command."
244 (interactive)
245 (let ((cw (selected-window)) (ln (count-lines (point-min) (point)))
246 (pattern "(line:\\([0-9]+\\))")
247 (secbuf YaTeX-sectioning-buffer) (command ""))
248 (save-excursion
249 (setq secbuf (YaTeX-colloect-sections))
250 (YaTeX-showup-buffer secbuf nil t)
251 (goto-char (point-max))
252 (while (re-search-backward pattern nil t)
253 (if (< ln (string-to-int (YaTeX-match-string 1))) nil
254 (beginning-of-line)
255 (search-forward YaTeX-ec)
256 (looking-at YaTeX-TeX-token-regexp)
257 (setq command (YaTeX-match-string 0))
258 (end-of-line)
259 (insert " <<--")
260 (setq pattern (concat "HackyRegexp" "ForFailure"))))
261 (set-buffer-modified-p nil)
262 (forward-line 1)
263 (if (eobp) (recenter -1) (recenter -3))
264 (select-window cw)
265 command))
266 )
268 (defun YaTeX-make-section-with-overview ()
269 "Input sectining command with previous overview."
270 (interactive)
271 (insert
272 YaTeX-ec
273 (YaTeX-read-section-in-minibuffer
274 "Sectioning(Up=C-p, Down=C-n, Help=?): "
275 YaTeX-sectioning-level (YaTeX-section-overview))
276 "{}")
277 (forward-char -1)
278 )
280 (provide 'yatexsec)
281 ;;(YaTeX-define-key "o" 'YaTeX-make-section-with-overview)