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annotate yatexenv.el @ 270:1b4e0acd0106 dev
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author | HIROSE Yuuji <yuuji@gentei.org> |
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date | Thu, 10 May 2012 11:10:13 +0900 |
parents | 2b85ef062ccf |
children | 5921f28ef77c |
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23 | 1 ;;; -*- Emacs-Lisp -*- |
2 ;;; YaTeX environment-specific functions. | |
3 ;;; yatexenv.el | |
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4 ;;; (c) 1994-2012 by HIROSE Yuuji.[yuuji@yatex.org] |
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5 ;;; Last modified Sun Feb 12 11:15:33 2012 on firestorm |
23 | 6 ;;; $Id$ |
7 | |
8 ;;; | |
9 ;; Functions for tabular environment | |
10 ;;; | |
11 | |
12 ;; Showing the matching column of tabular environment. | |
80 | 13 (defun YaTeX-array-what-column-internal () |
14 "Return the cons of matching column and its title of array environment. | |
23 | 15 When calling from a program, make sure to be in array/tabular environment." |
49 | 16 (let ((p (point)) beg eot bor (nlptn "\\\\\\\\") (andptn "[^\\]&") |
17 (n 0) j | |
23 | 18 (firsterr "This line might be the first row.")) |
19 (save-excursion | |
20 (YaTeX-beginning-of-environment) | |
21 (search-forward "{" p) (up-list 1) | |
22 (search-forward "{" p) (up-list 1) | |
23 ;;(re-search-forward andptn p) | |
24 (while (progn (search-forward "&" p) | |
25 (equal (char-after (1- (match-beginning 0))) ?\\ ))) | |
26 (setq beg (1- (point))) ;beg is the point of the first & | |
27 (or (re-search-forward nlptn p t) | |
28 (error firsterr)) | |
29 (setq eot (point)) ;eot is the point of the first \\ | |
30 (goto-char p) | |
31 (or (re-search-backward nlptn beg t) | |
32 (error firsterr)) | |
33 (setq bor (point)) ;bor is the beginning of this row. | |
34 (while (< (1- (point)) p) | |
35 (if (equal (following-char) ?&) | |
36 (forward-char 1) | |
37 (re-search-forward andptn nil 1)) | |
38 (setq n (1+ n))) ;Check current column number | |
39 (goto-char p) | |
40 (cond ;Start searching \multicolumn{N} | |
41 ((> n 1) | |
42 (re-search-backward andptn) ;Sure to find! | |
43 (while (re-search-backward "\\\\multicolumn{\\([0-9]+\\)}" bor t) | |
44 (setq n (+ n (string-to-int | |
45 (buffer-substring (match-beginning 1) | |
46 (match-end 1))) | |
47 -1))))) | |
48 (message "%s" n) | |
49 (goto-char (1- beg)) | |
59 | 50 (beginning-of-line) |
49 | 51 (setq j n) |
52 (while (> j 1) | |
53 (or (re-search-forward andptn p nil) | |
54 (error "This column exceeds the limit.")) | |
55 (setq j (1- j))) | |
56 (skip-chars-forward "\\s ") | |
80 | 57 (list n |
58 (buffer-substring | |
59 (point) | |
60 (progn | |
61 (re-search-forward (concat andptn "\\|" nlptn) eot) | |
62 (goto-char (match-beginning 0)) | |
63 (if (looking-at andptn) | |
64 (forward-char 1)) | |
65 (skip-chars-backward "\\s ") | |
66 (point))))))) | |
67 | |
68 (defun YaTeX-array-what-column () | |
69 "Show matching column title of array environment. | |
70 When calling from a program, make sure to be in array/tabular environment." | |
71 (apply 'message | |
72 "This is the column(#%d) of: %s" | |
73 (YaTeX-array-what-column-internal))) | |
23 | 74 |
75 ;;;###autoload | |
76 (defun YaTeX-what-column () | |
77 "Show which kind of column the current position is belonging to." | |
78 (interactive) | |
79 (cond | |
80 ((YaTeX-quick-in-environment-p '("tabular" "tabular*" "array" "array*")) | |
81 (YaTeX-array-what-column)) | |
80 | 82 (t (message "Not in array/tabular environment.")))) |
23 | 83 |
80 | 84 (defun YaTeX-tabular-parse-format-count-cols (beg end) |
85 (goto-char beg) | |
86 (let (elt (cols 0)) | |
87 (while (< (point) end) | |
31 | 88 (setq elt (following-char)) |
89 (cond | |
90 ((string-match (char-to-string elt) "clr") ;normal indicators. | |
91 (setq cols (1+ cols)) | |
92 (forward-char 1)) | |
93 ((equal elt ?|) ;vertical | |
94 (forward-char 1)) | |
95 ((string-match (char-to-string elt) "p@") ;p or @ expression | |
96 (setq cols (+ (if (eq elt ?p) 1 0) cols)) | |
80 | 97 ;;(skip-chars-forward "^{" p) |
98 (skip-chars-forward "^{" end) | |
56 | 99 (forward-list 1)) |
80 | 100 ((equal elt ?*) ;*{N}{EXP} -> Repeat EXP N times |
101 (skip-chars-forward "^{" end) | |
102 (setq cols (* (string-to-int | |
103 (buffer-substring | |
104 (1+ (point)) | |
105 (progn (forward-list 1) (1- (point))))) | |
106 (YaTeX-tabular-parse-format-count-cols | |
107 (progn (skip-chars-forward "^{" end) (1+ (point))) | |
108 (progn (forward-list 1) (1- (point))))))) | |
56 | 109 (t (forward-char 1)) ;unknown char |
110 )) | |
80 | 111 cols)) |
112 | |
113 (defun YaTeX-tabular-parse-format (&optional type) | |
114 "Parse `tabular' format. | |
115 Return the list of (No.ofCols PointEndofFormat)" | |
116 (let ((p (point)) boform eoform (cols 0)) | |
117 (save-excursion | |
118 (if (null (YaTeX-beginning-of-environment t)) | |
119 (error "Beginning of tabular not found.")) | |
120 (skip-chars-forward "^{") | |
121 (forward-list 1) | |
122 (cond | |
123 ((eq type 'tabular*) | |
124 (skip-chars-forward "^{") | |
125 (forward-list 1))) | |
126 (skip-chars-forward "^{" p) | |
127 (if (/= (following-char) ?\{) (error "Tabular format not found.")) | |
128 (setq boform (1+ (point)) | |
129 eoform (progn (forward-list 1) (1- (point)))) | |
130 (if (> eoform p) (error "Non-terminated tabular format.")) | |
131 (goto-char boform) | |
132 (setq cols | |
133 (cond | |
134 ((eq type 'alignat) | |
135 (max | |
136 1 | |
250 | 137 (* 2 (string-to-int |
138 (buffer-substring | |
139 (point) | |
140 (progn (up-list -1) (forward-list 1) (1- (point)))))))) | |
80 | 141 (t |
142 (YaTeX-tabular-parse-format-count-cols (point) eoform)))) | |
143 (list cols (1+ eoform))))) | |
144 | |
31 | 145 ;; Insert & |
80 | 146 (defun YaTeX-intelligent-newline-tabular (&optional type) |
31 | 147 "Parse current tabular format and insert that many `&'s." |
80 | 148 (let*((p (point)) (format (YaTeX-tabular-parse-format type)) |
31 | 149 (cols (car format)) (beg (car (cdr format))) |
150 space hline) | |
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151 (cond |
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152 ((search-backward "&" beg t) |
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153 (goto-char p) |
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154 (setq hline (search-backward "\\hline" beg t)) |
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155 (setq space (if (search-backward "\t&" beg t) "\t" " ")) |
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156 (goto-char p)) |
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157 (t ;;(insert "\\hline\n") |
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158 (setq space " "))) |
31 | 159 (goto-char p) |
160 (while (> (1- cols) 0) | |
161 (insert "&" space) | |
162 (setq cols (1- cols))) | |
163 (insert "\\\\") | |
164 (if hline (insert " \\hline")) | |
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165 (goto-char p) |
80 | 166 (YaTeX-indent-line))) |
31 | 167 |
168 (defun YaTeX-intelligent-newline-tabular* () | |
169 "Parse current tabular* format and insert that many `&'s." | |
80 | 170 (YaTeX-intelligent-newline-tabular 'tabular*)) |
31 | 171 |
172 (fset 'YaTeX-intelligent-newline-array 'YaTeX-intelligent-newline-tabular) | |
80 | 173 (fset 'YaTeX-intelligent-newline-supertabular 'YaTeX-intelligent-newline-tabular) |
174 | |
175 (defun YaTeX-intelligent-newline-align () | |
176 "Intelligent newline function for align. | |
177 Count the number of & in the first align line and insert that many &s." | |
250 | 178 (let*((p (point)) (amps 0)) |
179 (if (string-match "alignat" env) | |
180 (setq amps (1- (car (YaTeX-tabular-parse-format 'alignat)))) | |
181 (save-excursion | |
182 (YaTeX-beginning-of-environment) | |
183 (catch 'done | |
184 (while (YaTeX-re-search-active-forward | |
185 "\\(&\\)\\|\\(\\\\\\\\\\)" YaTeX-comment-prefix p t) | |
186 (if (match-beginning 1) (setq amps (1+ amps)) (throw 'done t)))))) | |
80 | 187 (save-excursion |
250 | 188 (forward-line -1) |
189 (skip-chars-forward " \t") | |
190 (or (prog1 (looking-at "\\\\begin{") (end-of-line)) | |
191 (save-excursion | |
192 (skip-chars-backward " \t") | |
193 (and (= (preceding-char) ?\\) (= (char-after (- (point) 2)) ?\\))) | |
194 (insert "\\\\"))) | |
80 | 195 (save-excursion |
250 | 196 (while (>= (setq amps (1- amps)) 0) |
236
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197 (insert "& "))) |
80 | 198 (YaTeX-indent-line))) |
199 | |
200 (mapcar | |
201 '(lambda (s) | |
202 (fset (intern (concat "YaTeX-intelligent-newline-" | |
203 (symbol-name s))) | |
204 'YaTeX-intelligent-newline-align)) | |
205 '(align* flalign flalign* matrix pmatrix bmatrix Bmatrix vmatrix Vmatrix | |
250 | 206 cases eqnarray eqnarray* alignat alignat*)) |
31 | 207 |
23 | 208 ;;; |
209 ;; Functions for tabbing environment | |
210 ;;; | |
211 (defun YaTeX-intelligent-newline-tabbing () | |
212 "Check the number of \\= in the first line and insert that many \\>." | |
213 (let ((p (point)) begenv tabcount) | |
214 (save-excursion | |
215 (YaTeX-beginning-of-environment) | |
216 (setq begenv (point-end-of-line)) | |
217 (if (YaTeX-search-active-forward "\\\\" YaTeX-comment-prefix p t) | |
218 (progn | |
219 (setq tabcount 0) | |
220 (while (> (point) begenv) | |
221 (if (search-backward "\\=" begenv 1) | |
222 (setq tabcount (1+ tabcount))))))) | |
223 (YaTeX-indent-line) | |
224 (if tabcount | |
225 (progn | |
226 (save-excursion | |
227 (while (> tabcount 0) | |
228 (insert "\\>\t") | |
229 (setq tabcount (1- tabcount)))) | |
230 (forward-char 2)) | |
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231 (insert "\\= \\\\") |
233 | 232 (forward-char -5)))) |
23 | 233 |
234 ;;; | |
235 ;; Functions for itemize/enumerate/list environments | |
236 ;;; | |
237 | |
238 (defun YaTeX-intelligent-newline-itemize () | |
239 "Insert '\\item '." | |
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240 (insert "\\item ") |
233 | 241 (YaTeX-indent-line)) |
242 | |
23 | 243 (fset 'YaTeX-intelligent-newline-enumerate 'YaTeX-intelligent-newline-itemize) |
244 (fset 'YaTeX-intelligent-newline-list 'YaTeX-intelligent-newline-itemize) | |
245 | |
246 (defun YaTeX-intelligent-newline-description () | |
247 (insert "\\item[] ") | |
248 (forward-char -2) | |
233 | 249 (YaTeX-indent-line)) |
23 | 250 |
64 | 251 (defun YaTeX-intelligent-newline-thebibliography () |
252 "Insert '\\bibitem '." | |
253 (YaTeX-indent-line) | |
254 (YaTeX-make-section nil nil nil "bibitem") | |
233 | 255 (YaTeX-indent-line)) |
256 | |
23 | 257 ;;; |
234
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258 ;; For document environment |
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259 ;;; |
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260 (defun YaTeX-intelligent-newline-document () |
239
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261 "New paragraph by null line or `\\par'." |
257
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262 (if (< (count-lines |
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263 (or (get 'YaTeX-inner-environment 'point) |
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264 (max 1 (- (point) 17))) ;"\begin{document}\n" == 17 |
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265 (point)) |
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266 2) |
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267 nil |
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268 (if (save-excursion (re-search-backward "\\\\par\\>" nil t)) |
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269 (progn |
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270 (YaTeX-indent-line) |
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271 (insert "\\par"))) |
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272 (newline)) |
239
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273 (YaTeX-indent-line)) |
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274 |
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275 ;;; |
23 | 276 ;; Intelligent newline |
277 ;;; | |
278 ;;;###autoload | |
279 (defun YaTeX-intelligent-newline (arg) | |
280 "Insert newline and environment-specific entry. | |
281 `\\item' for some itemizing environment, | |
282 `\\> \\> \\' for tabbing environemnt, | |
283 `& & \\ \hline' for tabular environment." | |
284 (interactive "P") | |
61 | 285 (let*(env func) |
286 (end-of-line) | |
287 (setq env (YaTeX-inner-environment)) | |
23 | 288 (if arg (setq env (YaTeX-read-environment "For what environment? "))) |
289 (setq func (intern-soft (concat "YaTeX-intelligent-newline-" env))) | |
290 (end-of-line) | |
291 (newline) | |
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292 (undo-boundary) |
23 | 293 (if (and env func (fboundp func)) |
80 | 294 (funcall func)))) |
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295 |
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296 ;;; |
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297 ;; Environment-specific line indenting functions |
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298 ;;; |
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299 ;;;###autoload |
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300 (defun YaTeX-indent-line-equation () |
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301 "Indent a line in equation family." |
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302 (let ((p (point)) (l-r 0) right-p peol depth (mp YaTeX-environment-indent)) |
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303 (if (save-excursion |
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304 (beginning-of-line) |
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305 (skip-chars-forward " \t") |
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306 (looking-at "\\\\right\\b")) |
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307 (progn (YaTeX-reindent |
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308 (save-excursion (YaTeX-goto-corresponding-leftright) |
73 | 309 (- (current-column) 0)))) |
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310 (save-excursion |
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311 (forward-line -1) |
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312 (while (and (not (bobp)) (YaTeX-on-comment-p)) |
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313 (forward-line -1)) |
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314 ;;(beginning-of-line) ;must be unnecessary |
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315 (skip-chars-forward " \t") |
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316 (if (eolp) (error "Math-environment can't have a null line!!")) |
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317 (setq depth (current-column) |
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318 peol (point-end-of-line)) |
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319 (while (re-search-forward |
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320 "\\\\\\(\\(left\\)\\|\\(right\\)\\)\\b" peol t) |
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321 (setq l-r (+ l-r (if (match-beginning 2) 1 -1)))) |
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322 (cond |
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323 ((progn (beginning-of-line) |
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324 (re-search-forward "\\\\\\\\\\s *$" (point-end-of-line) t)) |
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325 ;;If previous line has `\\', this indentation is always normal. |
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326 (setq depth (+ (YaTeX-current-indentation) mp))) |
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327 ((> l-r 0) |
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328 (beginning-of-line) |
68 | 329 (search-forward "\\left" peol nil l-r) |
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330 (goto-char (1+ (match-beginning 0))) |
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331 (setq depth (current-column))) |
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332 ((< l-r 0) |
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333 (goto-char (match-beginning 0)) ;should be \right |
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334 (YaTeX-goto-corresponding-leftright) |
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335 (beginning-of-line) |
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336 (skip-chars-forward " \t") |
68 | 337 ;(setq depth (+ (current-column) mp)) ;+mp is good? |
338 (setq depth (current-column))) | |
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339 (t ;if \left - \right = 0 |
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340 (cond |
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341 ((re-search-forward "\\\\\\\\\\s *$" peol t) |
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342 (setq depth (+ (YaTeX-current-indentation) mp))) |
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343 ((re-search-forward "\\\\end{" peol t) |
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344 nil) ;same indentation as previous line's |
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345 ((re-search-forward "\\\\begin{" peol t) |
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346 (setq depth (+ depth mp))) |
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347 (t |
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348 (or (bobp) (forward-line -1)) |
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349 (cond |
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350 ((re-search-forward |
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351 "\\\\\\\\\\s *$\\|\\\\begin{" (point-end-of-line) t) |
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352 (setq depth (+ depth mp))) |
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353 ))))) |
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354 (goto-char p)) |
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355 (YaTeX-reindent depth)))) |
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356 |
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357 ;;;###autoload |
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358 (defun YaTeX-goto-corresponding-leftright () |
77 | 359 "Go to corresponding \left or \right." |
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360 (let ((YaTeX-struct-begin "\\left%1") |
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361 (YaTeX-struct-end "\\right%1") |
77 | 362 (YaTeX-struct-name-regexp "[][(){}\\.|]") |
363 (in-leftright-p t)) | |
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364 (YaTeX-goto-corresponding-environment t))) |
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365 |
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366 ;;; |
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367 ;; Functions for formatting region being enclosed with environment |
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368 ;;; |
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369 ; These functions must take two argument; region-beginning, region-end. |
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370 |
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371 (defun YaTeX-enclose-equation (beg end) |
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372 (goto-char beg) |
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373 (save-restriction |
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374 (let (m0 bsl) |
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375 (narrow-to-region beg end) |
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376 (while (YaTeX-re-search-active-forward |
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377 "\\(\\$\\)" YaTeX-comment-prefix nil t) |
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378 (goto-char (setq m0 (match-beginning 0))) |
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379 (setq bsl 0) |
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380 (if (and (not (bobp)) (= (char-after (1- (point))) ?\\ )) |
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381 (while (progn (forward-char -1) (= (char-after (point)) ?\\ )) |
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382 (setq bsl (1+ bsl)))) |
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383 (goto-char m0) |
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384 (if (= 0 (% bsl 2)) |
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385 (delete-char 1) |
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386 (forward-char 1)))))) |
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387 |
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388 (fset 'YaTeX-enclose-eqnarray 'YaTeX-enclose-equation) |
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389 (fset 'YaTeX-enclose-eqnarray* 'YaTeX-enclose-equation) |
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390 |
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391 (defun YaTeX-enclose-verbatim (beg end)) ;do nothing when enclose verbatim |
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392 (fset 'YaTeX-enclose-verbatim* 'YaTeX-enclose-verbatim) |
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393 |
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394 (provide 'yatexenv) |