yatex

annotate yatexenv.el @ 56:a9653fbd1c1c

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Bug fix version
author yuuji
date Thu, 29 Jun 1995 13:46:57 +0000
parents 5f4b18da14b3
children 3a7c0c2bf16d
rev   line source
yuuji@23 1 ;;; -*- Emacs-Lisp -*-
yuuji@23 2 ;;; YaTeX environment-specific functions.
yuuji@23 3 ;;; yatexenv.el
yuuji@56 4 ;;; (c ) 1994, 1995 by HIROSE Yuuji.[yuuji@ae.keio.ac.jp]
yuuji@56 5 ;;; Last modified Thu May 18 11:52:05 1995 on inspire
yuuji@23 6 ;;; $Id$
yuuji@23 7
yuuji@23 8 ;;;
yuuji@23 9 ;; Functions for tabular environment
yuuji@23 10 ;;;
yuuji@23 11
yuuji@23 12 ;; Showing the matching column of tabular environment.
yuuji@23 13 (defun YaTeX-array-what-column ()
yuuji@23 14 "Show matching columne title of array environment.
yuuji@23 15 When calling from a program, make sure to be in array/tabular environment."
yuuji@49 16 (let ((p (point)) beg eot bor (nlptn "\\\\\\\\") (andptn "[^\\]&")
yuuji@49 17 (n 0) j
yuuji@23 18 (firsterr "This line might be the first row."))
yuuji@23 19 (save-excursion
yuuji@23 20 (YaTeX-beginning-of-environment)
yuuji@23 21 (search-forward "{" p) (up-list 1)
yuuji@23 22 (search-forward "{" p) (up-list 1)
yuuji@23 23 ;;(re-search-forward andptn p)
yuuji@23 24 (while (progn (search-forward "&" p)
yuuji@23 25 (equal (char-after (1- (match-beginning 0))) ?\\ )))
yuuji@23 26 (setq beg (1- (point))) ;beg is the point of the first &
yuuji@23 27 (or (re-search-forward nlptn p t)
yuuji@23 28 (error firsterr))
yuuji@23 29 (setq eot (point)) ;eot is the point of the first \\
yuuji@23 30 (goto-char p)
yuuji@23 31 (or (re-search-backward nlptn beg t)
yuuji@23 32 (error firsterr))
yuuji@23 33 (setq bor (point)) ;bor is the beginning of this row.
yuuji@23 34 (while (< (1- (point)) p)
yuuji@23 35 (if (equal (following-char) ?&)
yuuji@23 36 (forward-char 1)
yuuji@23 37 (re-search-forward andptn nil 1))
yuuji@23 38 (setq n (1+ n))) ;Check current column number
yuuji@23 39 (goto-char p)
yuuji@23 40 (cond ;Start searching \multicolumn{N}
yuuji@23 41 ((> n 1)
yuuji@23 42 (re-search-backward andptn) ;Sure to find!
yuuji@23 43 (while (re-search-backward "\\\\multicolumn{\\([0-9]+\\)}" bor t)
yuuji@23 44 (setq n (+ n (string-to-int
yuuji@23 45 (buffer-substring (match-beginning 1)
yuuji@23 46 (match-end 1)))
yuuji@23 47 -1)))))
yuuji@23 48 (message "%s" n)
yuuji@23 49 (goto-char (1- beg))
yuuji@49 50 (setq j n)
yuuji@49 51 (while (> j 1)
yuuji@49 52 (or (re-search-forward andptn p nil)
yuuji@49 53 (error "This column exceeds the limit."))
yuuji@49 54 (setq j (1- j)))
yuuji@49 55 (skip-chars-forward "\\s ")
yuuji@49 56 (message
yuuji@49 57 "This is the column(#%d) of: %s" n
yuuji@49 58 (buffer-substring
yuuji@49 59 (point)
yuuji@49 60 (progn
yuuji@49 61 (re-search-forward (concat andptn "\\|" nlptn) eot)
yuuji@49 62 (goto-char (match-beginning 0))
yuuji@49 63 (if (looking-at andptn)
yuuji@49 64 (forward-char 1))
yuuji@49 65 (skip-chars-backward "\\s ")
yuuji@49 66 (point))))))
yuuji@23 67 )
yuuji@23 68
yuuji@23 69 ;;;###autoload
yuuji@23 70 (defun YaTeX-what-column ()
yuuji@23 71 "Show which kind of column the current position is belonging to."
yuuji@23 72 (interactive)
yuuji@23 73 (cond
yuuji@23 74 ((YaTeX-quick-in-environment-p '("tabular" "tabular*" "array" "array*"))
yuuji@23 75 (YaTeX-array-what-column))
yuuji@23 76 (t (message "Not in array/tabuar environment.")))
yuuji@23 77 )
yuuji@23 78
yuuji@31 79 (defun YaTeX-tabular-parse-format (&optional tabular*)
yuuji@31 80 "Parse `tabular' format.
yuuji@31 81 Return the list of (No.ofCols PointEndofFormat)"
yuuji@31 82 (let ((p (point)) elt boform eoform (cols 0))
yuuji@31 83 (save-excursion
yuuji@31 84 (if (null (YaTeX-beginning-of-environment t))
yuuji@31 85 (error "Beginning of tabular not found."))
yuuji@31 86 (skip-chars-forward "^{")
yuuji@31 87 (forward-list 1)
yuuji@31 88 (if tabular*
yuuji@31 89 (progn (skip-chars-forward "^{")
yuuji@31 90 (forward-list 1)))
yuuji@31 91 (skip-chars-forward "^{" p)
yuuji@31 92 (if (/= (following-char) ?\{) (error "Tabular format not found."))
yuuji@31 93 (setq boform (1+ (point))
yuuji@31 94 eoform (progn (forward-list 1) (1- (point))))
yuuji@31 95 (if (> eoform p) (error "Non-terminated tabular format."))
yuuji@31 96 (goto-char boform)
yuuji@31 97 (while (< (point) eoform)
yuuji@31 98 (setq elt (following-char))
yuuji@31 99 (cond
yuuji@31 100 ((string-match (char-to-string elt) "clr") ;normal indicators.
yuuji@31 101 (setq cols (1+ cols))
yuuji@31 102 (forward-char 1))
yuuji@31 103 ((equal elt ?|) ;vertical
yuuji@31 104 (forward-char 1))
yuuji@31 105 ((string-match (char-to-string elt) "p@") ;p or @ expression
yuuji@31 106 (setq cols (+ (if (eq elt ?p) 1 0) cols))
yuuji@31 107 (skip-chars-forward "^{" p)
yuuji@56 108 (forward-list 1))
yuuji@56 109 (t (forward-char 1)) ;unknown char
yuuji@56 110 ))
yuuji@31 111 (list cols (1+ eoform))))
yuuji@31 112 )
yuuji@31 113 ;; Insert &
yuuji@31 114 (defun YaTeX-intelligent-newline-tabular (&optional tabular*)
yuuji@31 115 "Parse current tabular format and insert that many `&'s."
yuuji@31 116 (let*((p (point)) (format (YaTeX-tabular-parse-format tabular*))
yuuji@31 117 (cols (car format)) (beg (car (cdr format)))
yuuji@31 118 space hline)
yuuji@31 119 (setq hline (search-backward "\\hline" beg t))
yuuji@31 120 (goto-char p)
yuuji@31 121 (setq space (if (search-backward "\t&" beg t) "\t" " "))
yuuji@31 122 (goto-char p)
yuuji@31 123 (YaTeX-indent-line)
yuuji@31 124 (setq p (point))
yuuji@31 125 (while (> (1- cols) 0)
yuuji@31 126 (insert "&" space)
yuuji@31 127 (setq cols (1- cols)))
yuuji@31 128 (insert "\\\\")
yuuji@31 129 (if hline (insert " \\hline"))
yuuji@31 130 (goto-char p))
yuuji@31 131 )
yuuji@31 132
yuuji@31 133 (defun YaTeX-intelligent-newline-tabular* ()
yuuji@31 134 "Parse current tabular* format and insert that many `&'s."
yuuji@31 135 (YaTeX-intelligent-newline-tabular t)
yuuji@31 136 )
yuuji@31 137
yuuji@31 138 (fset 'YaTeX-intelligent-newline-array 'YaTeX-intelligent-newline-tabular)
yuuji@31 139
yuuji@23 140 ;;;
yuuji@23 141 ;; Functions for tabbing environment
yuuji@23 142 ;;;
yuuji@23 143 (defun YaTeX-intelligent-newline-tabbing ()
yuuji@23 144 "Check the number of \\= in the first line and insert that many \\>."
yuuji@23 145 (let ((p (point)) begenv tabcount)
yuuji@23 146 (save-excursion
yuuji@23 147 (YaTeX-beginning-of-environment)
yuuji@23 148 (setq begenv (point-end-of-line))
yuuji@23 149 (if (YaTeX-search-active-forward "\\\\" YaTeX-comment-prefix p t)
yuuji@23 150 (progn
yuuji@23 151 (setq tabcount 0)
yuuji@23 152 (while (> (point) begenv)
yuuji@23 153 (if (search-backward "\\=" begenv 1)
yuuji@23 154 (setq tabcount (1+ tabcount)))))))
yuuji@23 155 (YaTeX-indent-line)
yuuji@23 156 (if tabcount
yuuji@23 157 (progn
yuuji@23 158 (save-excursion
yuuji@23 159 (while (> tabcount 0)
yuuji@23 160 (insert "\\>\t")
yuuji@23 161 (setq tabcount (1- tabcount))))
yuuji@23 162 (forward-char 2))
yuuji@23 163 (insert "\\=")))
yuuji@23 164 )
yuuji@23 165
yuuji@23 166 ;;;
yuuji@23 167 ;; Functions for itemize/enumerate/list environments
yuuji@23 168 ;;;
yuuji@23 169
yuuji@23 170 (defvar YaTeX-item-for-insert "\\item ")
yuuji@23 171 (defun YaTeX-intelligent-newline-itemize ()
yuuji@23 172 "Insert '\\item '."
yuuji@23 173 (insert YaTeX-item-for-insert)
yuuji@53 174 (YaTeX-indent-line)
yuuji@23 175 )
yuuji@23 176 (fset 'YaTeX-intelligent-newline-enumerate 'YaTeX-intelligent-newline-itemize)
yuuji@23 177 (fset 'YaTeX-intelligent-newline-list 'YaTeX-intelligent-newline-itemize)
yuuji@23 178
yuuji@23 179 (defun YaTeX-intelligent-newline-description ()
yuuji@23 180 (insert "\\item[] ")
yuuji@23 181 (forward-char -2)
yuuji@53 182 (YaTeX-indent-line)
yuuji@23 183 )
yuuji@23 184
yuuji@23 185
yuuji@23 186 ;;;
yuuji@23 187 ;; Intelligent newline
yuuji@23 188 ;;;
yuuji@23 189 ;;;###autoload
yuuji@23 190 (defun YaTeX-intelligent-newline (arg)
yuuji@23 191 "Insert newline and environment-specific entry.
yuuji@23 192 `\\item' for some itemizing environment,
yuuji@23 193 `\\> \\> \\' for tabbing environemnt,
yuuji@23 194 `& & \\ \hline' for tabular environment."
yuuji@23 195 (interactive "P")
yuuji@23 196 (let*((env (YaTeX-inner-environment))
yuuji@23 197 func)
yuuji@23 198 (if arg (setq env (YaTeX-read-environment "For what environment? ")))
yuuji@23 199 (setq func (intern-soft (concat "YaTeX-intelligent-newline-" env)))
yuuji@23 200 (end-of-line)
yuuji@23 201 (newline)
yuuji@23 202 (if (and env func (fboundp func))
yuuji@23 203 (funcall func)))
yuuji@23 204 )
yuuji@53 205
yuuji@53 206 ;;;
yuuji@53 207 ;; Environment-specific line indenting functions
yuuji@53 208 ;;;
yuuji@53 209 ;;;###autoload
yuuji@53 210 (defun YaTeX-indent-line-equation ()
yuuji@53 211 "Indent a line in equation family."
yuuji@53 212 (let ((p (point)) (l-r 0) right-p peol depth (mp YaTeX-environment-indent))
yuuji@53 213 (if (save-excursion
yuuji@53 214 (beginning-of-line)
yuuji@53 215 (skip-chars-forward " \t")
yuuji@53 216 (looking-at "\\\\right\\b"))
yuuji@53 217 (progn (YaTeX-reindent
yuuji@53 218 (save-excursion (YaTeX-goto-corresponding-leftright)
yuuji@53 219 (current-column))))
yuuji@53 220 (save-excursion
yuuji@53 221 (forward-line -1)
yuuji@53 222 (while (and (not (bobp)) (YaTeX-on-comment-p))
yuuji@53 223 (forward-line -1))
yuuji@53 224 ;;(beginning-of-line) ;must be unnecessary
yuuji@53 225 (skip-chars-forward " \t")
yuuji@53 226 (if (eolp) (error "Math-environment can't have a null line!!"))
yuuji@53 227 (setq depth (current-column)
yuuji@53 228 peol (point-end-of-line))
yuuji@53 229 (while (re-search-forward
yuuji@53 230 "\\\\\\(\\(left\\)\\|\\(right\\)\\)\\b" peol t)
yuuji@53 231 (setq l-r (+ l-r (if (match-beginning 2) 1 -1))))
yuuji@53 232 (cond
yuuji@53 233 ((progn (beginning-of-line)
yuuji@53 234 (re-search-forward "\\\\\\\\\\s *$" (point-end-of-line) t))
yuuji@53 235 ;;If previous line has `\\', this indentation is always normal.
yuuji@53 236 (setq depth (+ (YaTeX-current-indentation) mp)))
yuuji@53 237 ((> l-r 0)
yuuji@53 238 (beginning-of-line)
yuuji@53 239 (search-forward "\\left" peol)
yuuji@53 240 (goto-char (1+ (match-beginning 0)))
yuuji@53 241 (setq depth (current-column)))
yuuji@53 242 ((< l-r 0)
yuuji@53 243 (goto-char (match-beginning 0)) ;should be \right
yuuji@53 244 (YaTeX-goto-corresponding-leftright)
yuuji@53 245 (beginning-of-line)
yuuji@53 246 (skip-chars-forward " \t")
yuuji@53 247 (setq depth (+ (current-column) mp))) ;+mp is good?
yuuji@53 248 (t ;if \left - \right = 0
yuuji@53 249 (cond
yuuji@53 250 ((re-search-forward "\\\\\\\\\\s *$" peol t)
yuuji@53 251 (setq depth (+ (YaTeX-current-indentation) mp)))
yuuji@53 252 ((re-search-forward "\\\\end{" peol t)
yuuji@53 253 nil) ;same indentation as previous line's
yuuji@53 254 ((re-search-forward "\\\\begin{" peol t)
yuuji@53 255 (setq depth (+ depth mp)))
yuuji@53 256 (t
yuuji@53 257 (or (bobp) (forward-line -1))
yuuji@53 258 (cond
yuuji@53 259 ((re-search-forward
yuuji@53 260 "\\\\\\\\\\s *$\\|\\\\begin{" (point-end-of-line) t)
yuuji@53 261 (setq depth (+ depth mp)))
yuuji@53 262 )))))
yuuji@53 263 (goto-char p))
yuuji@53 264 (YaTeX-reindent depth))))
yuuji@53 265
yuuji@53 266 ;;;###autoload
yuuji@53 267 (defun YaTeX-goto-corresponding-leftright ()
yuuji@53 268 "Go to corresponding \left or \right.
yuuji@53 269 Note that this function assumes the corresponding \left\right
yuuji@53 270 is on another line."
yuuji@53 271 (let ((YaTeX-struct-begin "\\left%1")
yuuji@53 272 (YaTeX-struct-end "\\right%1")
yuuji@53 273 (YaTeX-struct-name-regexp "[][(){}.|]"))
yuuji@53 274 (YaTeX-goto-corresponding-environment t)))
yuuji@53 275
yuuji@53 276 ;;;
yuuji@53 277 ;; Functions for formatting region being enclosed with environment
yuuji@53 278 ;;;
yuuji@53 279 ; These functions must take two argument; region-beginning, region-end.
yuuji@53 280
yuuji@53 281 (defun YaTeX-enclose-equation (beg end)
yuuji@53 282 (goto-char beg)
yuuji@53 283 (save-restriction
yuuji@53 284 (let (m0 bsl)
yuuji@53 285 (narrow-to-region beg end)
yuuji@53 286 (while (YaTeX-re-search-active-forward
yuuji@53 287 "\\(\\$\\)" YaTeX-comment-prefix nil t)
yuuji@53 288 (goto-char (setq m0 (match-beginning 0)))
yuuji@53 289 (setq bsl 0)
yuuji@53 290 (if (and (not (bobp)) (= (char-after (1- (point))) ?\\ ))
yuuji@53 291 (while (progn (forward-char -1) (= (char-after (point)) ?\\ ))
yuuji@53 292 (setq bsl (1+ bsl))))
yuuji@53 293 (goto-char m0)
yuuji@53 294 (if (= 0 (% bsl 2))
yuuji@53 295 (delete-char 1)
yuuji@53 296 (forward-char 1))))))
yuuji@53 297
yuuji@53 298 (fset 'YaTeX-enclose-eqnarray 'YaTeX-enclose-equation)
yuuji@53 299 (fset 'YaTeX-enclose-eqnarray* 'YaTeX-enclose-equation)
yuuji@53 300
yuuji@53 301 (defun YaTeX-enclose-verbatim (beg end)) ;do nothing when enclose verbatim
yuuji@53 302 (fset 'YaTeX-enclose-verbatim* 'YaTeX-enclose-verbatim)
yuuji@53 303
yuuji@53 304 (provide 'yatexenv)