yatex

view yatexenv.el @ 34:c61405ef1bd1

Change the message of dictionary selection menu.
author yuuji
date Wed, 13 Jul 1994 16:11:27 +0000
parents b00c74813e56
children cd1b63102eed
line source
1 ;;; -*- Emacs-Lisp -*-
2 ;;; YaTeX environment-specific functions.
3 ;;; yatexenv.el
4 ;;; (c ) 1994 by HIROSE Yuuji.[yuuji@ae.keio.ac.jp]
5 ;;; Last modified Mon Jul 11 02:01:18 1994 on 98fa
6 ;;; $Id$
8 ;;;
9 ;; Functions for tabular environment
10 ;;;
12 ;; Showing the matching column of tabular environment.
13 (defun YaTeX-array-what-column ()
14 "Show matching columne title of array environment.
15 When calling from a program, make sure to be in array/tabular environment."
16 (let ((p (point)) beg eot bor (nlptn "\\\\\\\\") (andptn "[^\\]&") (n 0)
17 (firsterr "This line might be the first row."))
18 (save-excursion
19 (YaTeX-beginning-of-environment)
20 (search-forward "{" p) (up-list 1)
21 (search-forward "{" p) (up-list 1)
22 ;;(re-search-forward andptn p)
23 (while (progn (search-forward "&" p)
24 (equal (char-after (1- (match-beginning 0))) ?\\ )))
25 (setq beg (1- (point))) ;beg is the point of the first &
26 (or (re-search-forward nlptn p t)
27 (error firsterr))
28 (setq eot (point)) ;eot is the point of the first \\
29 (goto-char p)
30 (or (re-search-backward nlptn beg t)
31 (error firsterr))
32 (setq bor (point)) ;bor is the beginning of this row.
33 (while (< (1- (point)) p)
34 (if (equal (following-char) ?&)
35 (forward-char 1)
36 (re-search-forward andptn nil 1))
37 (setq n (1+ n))) ;Check current column number
38 (goto-char p)
39 (cond ;Start searching \multicolumn{N}
40 ((> n 1)
41 (re-search-backward andptn) ;Sure to find!
42 (while (re-search-backward "\\\\multicolumn{\\([0-9]+\\)}" bor t)
43 (setq n (+ n (string-to-int
44 (buffer-substring (match-beginning 1)
45 (match-end 1)))
46 -1)))))
47 (message "%s" n)
48 (goto-char (1- beg))
49 (cond
50 ((= n 1) (message "Here is the FIRST column!"))
51 (t (while (> n 1)
52 (or (re-search-forward andptn p nil)
53 (error "This column exceeds the limit."))
54 (setq n (1- n)))
55 (skip-chars-forward "\\s ")
56 (message
57 "Here is the column of: %s"
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 )
69 ;;;###autoload
70 (defun YaTeX-what-column ()
71 "Show which kind of column the current position is belonging to."
72 (interactive)
73 (cond
74 ((YaTeX-quick-in-environment-p '("tabular" "tabular*" "array" "array*"))
75 (YaTeX-array-what-column))
76 (t (message "Not in array/tabuar environment.")))
77 )
79 (defun YaTeX-tabular-parse-format (&optional tabular*)
80 "Parse `tabular' format.
81 Return the list of (No.ofCols PointEndofFormat)"
82 (let ((p (point)) elt boform eoform (cols 0))
83 (save-excursion
84 (if (null (YaTeX-beginning-of-environment t))
85 (error "Beginning of tabular not found."))
86 (skip-chars-forward "^{")
87 (forward-list 1)
88 (if tabular*
89 (progn (skip-chars-forward "^{")
90 (forward-list 1)))
91 (skip-chars-forward "^{" p)
92 (if (/= (following-char) ?\{) (error "Tabular format not found."))
93 (setq boform (1+ (point))
94 eoform (progn (forward-list 1) (1- (point))))
95 (if (> eoform p) (error "Non-terminated tabular format."))
96 (goto-char boform)
97 (while (< (point) eoform)
98 (setq elt (following-char))
99 (cond
100 ((string-match (char-to-string elt) "clr") ;normal indicators.
101 (setq cols (1+ cols))
102 (forward-char 1))
103 ((equal elt ?|) ;vertical
104 (forward-char 1))
105 ((string-match (char-to-string elt) "p@") ;p or @ expression
106 (setq cols (+ (if (eq elt ?p) 1 0) cols))
107 (skip-chars-forward "^{" p)
108 (forward-list 1))))
109 (list cols (1+ eoform))))
110 )
111 ;; Insert &
112 (defun YaTeX-intelligent-newline-tabular (&optional tabular*)
113 "Parse current tabular format and insert that many `&'s."
114 (let*((p (point)) (format (YaTeX-tabular-parse-format tabular*))
115 (cols (car format)) (beg (car (cdr format)))
116 space hline)
117 (setq hline (search-backward "\\hline" beg t))
118 (goto-char p)
119 (setq space (if (search-backward "\t&" beg t) "\t" " "))
120 (goto-char p)
121 (YaTeX-indent-line)
122 (setq p (point))
123 (while (> (1- cols) 0)
124 (insert "&" space)
125 (setq cols (1- cols)))
126 (insert "\\\\")
127 (if hline (insert " \\hline"))
128 (goto-char p))
129 )
131 (defun YaTeX-intelligent-newline-tabular* ()
132 "Parse current tabular* format and insert that many `&'s."
133 (YaTeX-intelligent-newline-tabular t)
134 )
136 (fset 'YaTeX-intelligent-newline-array 'YaTeX-intelligent-newline-tabular)
138 ;;;
139 ;; Functions for tabbing environment
140 ;;;
141 (defun YaTeX-intelligent-newline-tabbing ()
142 "Check the number of \\= in the first line and insert that many \\>."
143 (let ((p (point)) begenv tabcount)
144 (save-excursion
145 (YaTeX-beginning-of-environment)
146 (setq begenv (point-end-of-line))
147 (if (YaTeX-search-active-forward "\\\\" YaTeX-comment-prefix p t)
148 (progn
149 (setq tabcount 0)
150 (while (> (point) begenv)
151 (if (search-backward "\\=" begenv 1)
152 (setq tabcount (1+ tabcount)))))))
153 (YaTeX-indent-line)
154 (if tabcount
155 (progn
156 (save-excursion
157 (while (> tabcount 0)
158 (insert "\\>\t")
159 (setq tabcount (1- tabcount))))
160 (forward-char 2))
161 (insert "\\=")))
162 )
164 ;;;
165 ;; Functions for itemize/enumerate/list environments
166 ;;;
168 (defun YaTeX-indent-for-item ()
169 (let (col (p (point)) begenv)
170 (save-excursion
171 (YaTeX-beginning-of-environment t)
172 (setq begenv (point-end-of-line))
173 (goto-char p)
174 (if (YaTeX-search-active-backward "\\item" YaTeX-comment-prefix begenv t)
175 (setq col (current-column))))
176 (if col (indent-to col) (YaTeX-indent-line)))
177 )
179 (defvar YaTeX-item-for-insert "\\item ")
180 (defun YaTeX-intelligent-newline-itemize ()
181 "Insert '\\item '."
182 (YaTeX-indent-for-item)
183 (insert YaTeX-item-for-insert)
184 )
185 (fset 'YaTeX-intelligent-newline-enumerate 'YaTeX-intelligent-newline-itemize)
186 (fset 'YaTeX-intelligent-newline-list 'YaTeX-intelligent-newline-itemize)
188 (defun YaTeX-intelligent-newline-description ()
189 (YaTeX-indent-for-item)
190 (insert "\\item[] ")
191 (forward-char -2)
192 )
195 ;;;
196 ;; Intelligent newline
197 ;;;
198 ;;;###autoload
199 (defun YaTeX-intelligent-newline (arg)
200 "Insert newline and environment-specific entry.
201 `\\item' for some itemizing environment,
202 `\\> \\> \\' for tabbing environemnt,
203 `& & \\ \hline' for tabular environment."
204 (interactive "P")
205 (let*((env (YaTeX-inner-environment))
206 func)
207 (if arg (setq env (YaTeX-read-environment "For what environment? ")))
208 (setq func (intern-soft (concat "YaTeX-intelligent-newline-" env)))
209 (end-of-line)
210 (newline)
211 (if (and env func (fboundp func))
212 (funcall func)))
213 )