cgit.sxemacs.org Git - gnus/blob - texi/texi2latex.el

   1 ;;; texi2latex.el --- convert a texi file into a LaTeX file.
   2 ;; Copyright (C) 1996 Lars Magne Ingebrigtsen
   3
   4 (require 'cl)
   5
   6 (defun latexi-discard-until (string)
   7   (let ((beg (match-beginning 0)))
   8     (unless (re-search-forward (concat "^@end +" string "[ \t]*\n") nil t)
   9       (error "No end: %s" string))
  10     (delete-region beg (match-end 0))))
  11
  12 (defun latexi-strip-line ()
  13   (delete-region (progn (beginning-of-line) (point))
  14                  (progn (forward-line 1) (point))))
  15
  16 (defun latexi-switch-line (command arg)
  17   (latexi-strip-line)
  18   (insert (format "\\%s{%s}\n" command arg)))
  19
  20 (defun latexi-index-command (command arg)
  21   (latexi-strip-line)
  22   (insert (format "\\gnus%sindex{%s}\n"
  23                   (if (equal command "kindex") "k" "")
  24                   arg)))
  25
  26 (defun latexi-begin-command (command)
  27   (latexi-strip-line)
  28   (insert (format "\\begin{%s}\n" command)))
  29
  30 (defun latexi-exchange-command (command arg)
  31   (delete-region (match-beginning 0) (match-end 0))
  32   (insert (format "\\%s{%s}" command arg)))
  33
  34 (defun latexi-translate ()
  35   "Translate."
  36   (interactive)
  37   (latexi-translate-file "gnus")
  38   (latexi-translate-file "gnus-faq"))
  39
  40 (defun latexi-translate-file (file)
  41   "Translate file a LaTeX file."
  42   (let ((item-string "")
  43         (item-stack nil)
  44         (list-stack nil)
  45         (latexi-buffer (get-buffer-create "*LaTeXi*"))
  46         verbatim
  47         (regexp
  48          (concat
  49             "@\\([^{} \t\n]+\\)"
  50             "\\(\\( +\\(.*$\\)\\|[ \t]*$\\)\\|{\\([^}]*\\)}\\)"))
  51         (cur (find-file-noselect (concat file ".texi")))
  52         (times 3)
  53         (chapter 0)
  54         command arg)
  55     (pop-to-buffer latexi-buffer)
  56     (buffer-disable-undo)
  57     (erase-buffer)
  58     (insert-buffer-substring cur)
  59     (goto-char (point-min))
  60     (latexi-strip-line)
  61     (latexi-translate-string "%@{" "\\gnuspercent{}\\gnusbraceleft{}")
  62     (latexi-translate-string "%@}" "\\gnuspercent{}\\gnusbraceright{}")
  63     (latexi-translate-string "%1@{" "\\gnuspercent{}1\\gnusbraceright{}")
  64 ;    (while (re-search-forward "{\"[^\"]*\\(\\\\\\)[^\"]*\"}\\\\" nil t)
  65 ;      (replace-match "\\verb+\\\\+ " t t))
  66     (while (not (zerop (decf times)))
  67       (goto-char (point-min))
  68       (while (re-search-forward regexp nil t)
  69         (setq command (match-string 1))
  70         (if (match-beginning 3)
  71             (progn
  72               (setq arg (or (match-string 4) ""))
  73               (save-match-data
  74                 (when (string-match "[ \t]+$" arg)
  75                   (setq arg (substring arg 0 (match-beginning 0)))))
  76               (cond
  77                ((member command '("c" "comment"))
  78                 (if (string-match "@icon" (or arg ""))
  79                     (progn
  80                       (beginning-of-line)
  81                       (delete-region (point) (+ (point) 4))
  82                       (insert "\\gnus"))
  83                   (delete-region (match-beginning 0)
  84                                  (progn (end-of-line) (point))))
  85                 (if (equal arg "@head")
  86                     (insert "\\gnusinteresting")))
  87                ((member command '("setfilename"
  88                                   "synindex" "setchapternewpage"
  89                                   "summarycontents" "bye"
  90                                   "top" "iftex" "cartouche"
  91                                   "iflatex" "finalout" "vskip"))
  92                 (latexi-strip-line))
  93                ((member command '("menu" "tex" "ifinfo" "ignore"))
  94                 (latexi-discard-until command))
  95                ((member command '("subsection" "subsubsection"))
  96                 (latexi-switch-line command arg))
  97                ((member command '("chapter"))
  98                 (latexi-switch-line
  99                  (format
 100                   "gnus%s{\\epsfig{figure=tmp/new-herd-%d.ps,scale=.5}}"
 101                    command (incf chapter))
 102                  arg))
 103                ((member command '("section"))
 104                 (latexi-switch-line (format "gnus%s" command) arg))
 105                ((member command '("cindex" "findex" "kindex" "vindex"))
 106                 (latexi-index-command command arg))
 107                ((member command '("*"))
 108                 (delete-char -2)
 109                 (insert "\\\\"))
 110                ((equal command "sp")
 111                 (replace-match "" t t))
 112                ((equal command "node")
 113                 (latexi-strip-line)
 114                 (insert (format "\\label{%s}\n" arg)))
 115                ((equal command "contents")
 116                 (latexi-strip-line)
 117                 ;;(insert (format "\\tableofcontents\n" arg))
 118                 )
 119                ((member command '("titlepage"))
 120                 (latexi-begin-command command))
 121                ((member command '("lisp" "example"))
 122                 (latexi-strip-line)
 123                 (insert (format "\\begin{verbatim}\n"))
 124                 (setq verbatim (point)))
 125                ((member command '("center"))
 126                 (latexi-strip-line)
 127                 (insert (format "\\begin{%s}%s\\end{%s}\n"
 128                                 command arg command)))
 129                ((member command '("end"))
 130                 (cond
 131                  ((member arg '("titlepage"))
 132                   (latexi-strip-line)
 133                   (insert (format "\\end{%s}\n" arg)))
 134                  ((equal arg "quotation")
 135                   (latexi-strip-line)
 136                   (insert (format "\\end{verse}\n")))
 137                  ((member arg '("lisp" "example"))
 138                   (latexi-strip-line)
 139                   (save-excursion
 140                     (save-restriction
 141                       (narrow-to-region verbatim (point))
 142                       (goto-char (point-min))
 143                       (while (search-forward "@{" nil t)
 144                         (replace-match "{" t t))
 145                       (goto-char (point-min))
 146                       (while (search-forward "@}" nil t)
 147                         (replace-match "}" t t))))
 148                   (setq verbatim nil)
 149                   (insert "\\end{verbatim}\n"))
 150                  ((member arg '("table"))
 151                   (setq item-string (pop item-stack))
 152                   (latexi-strip-line)
 153                   (insert (format "\\end{%slist}\n" (pop list-stack))))
 154                  ((member arg '("itemize" "enumerate"))
 155                   (setq item-string (pop item-stack))
 156                   (latexi-strip-line)
 157                   (insert (format "\\end{%s}\n" arg)))
 158                  ((member arg '("iflatex" "iftex" "cartouche"))
 159                   (latexi-strip-line))
 160                  (t
 161                   (error "Unknown end arg: %s" arg))))
 162                ((member command '("table"))
 163                 (push item-string item-stack)
 164                 (push (substring arg 1) list-stack)
 165                 (setq item-string
 166                       (format "[@%s{%%s}]" (car list-stack)))
 167                 (latexi-strip-line)
 168                 (insert (format "\\begin{%slist}\n" (car list-stack))))
 169                ((member command '("itemize" "enumerate"))
 170                 (push item-string item-stack)
 171                 (cond
 172                  ((member arg '("@bullet"))
 173                   (setq item-string "[\\gnusbullet]"))
 174                  (t
 175                   (setq item-string "")))
 176                 (latexi-strip-line)
 177                 (insert (format "\\begin{%s}\n" command)))
 178                ((member command '("item"))
 179                 (latexi-strip-line)
 180                 (insert (format "\\%s%s\n" command (format item-string arg))))
 181                ((equal command "itemx")
 182                 (latexi-strip-line)
 183                 (insert (format "\\gnusitemx{%s}\n" (format item-string arg))))
 184                ((eq (aref command 0) ?@)
 185                 (goto-char (match-beginning 0))
 186                 (delete-char 2)
 187                 (insert "duppat{}"))
 188                ((equal command "settitle")
 189                 (latexi-strip-line)
 190                 (insert (format "\\newcommand{\\gnustitlename}{%s}\n" arg)))
 191                ((equal command "title")
 192                 (latexi-strip-line)
 193                 (insert (format "\\gnustitlename{%s}\n" arg)))
 194                ((equal command "author")
 195                 (latexi-strip-line)
 196                 (insert (format "\\gnusauthor{%s}\n" arg)))
 197                ((equal command "quotation")
 198                 (latexi-begin-command "verse"))
 199                ((equal command "page")
 200                 (latexi-strip-line)
 201                 (insert (format "\\newpage\n" arg)))
 202                ((equal command "'s")
 203                 (goto-char (match-beginning 0))
 204                 (delete-char 1))
 205                ((equal command "include")
 206                 (latexi-strip-line)
 207                 (insert "\\input{gnus-faq.latexi}\n"))
 208                ((equal command "printindex")
 209                 (latexi-strip-line)
 210                 ;;(insert
 211                 ;; (format
 212                 ;;  "\\begin{theindex}\\input{gnus.%s}\\end{theindex}\n" arg))
 213                 )
 214                (t
 215                 (error "Unknown command: %s" command))))
 216           ;; These are commands with {}.
 217           (setq arg (match-string 5))
 218           (cond
 219            ((member command '("xref" "pxref"))
 220             (latexi-exchange-command (concat "gnus" command) arg))
 221            ((member command '("sc" "file" "dfn" "emph" "kbd"
 222                               "code" "samp" "var" "strong" "i"))
 223             (goto-char (match-beginning 0))
 224             (delete-char 1)
 225             (insert "\\gnus"))
 226            ((member command '("copyright"))
 227             (goto-char (match-beginning 0))
 228             (delete-char 1)
 229             (insert "\\"))
 230            ((eq (aref command 0) ?@)
 231             (goto-char (match-beginning 0))
 232             (delete-char 2)
 233             (insert "duppat{}"))
 234            (t
 235             (error "Unknown command: %s" command))))))
 236     (latexi-translate-string "$" "\\gnusdollar{}")
 237     (latexi-translate-string "&" "\\gnusampersand{}")
 238     (latexi-translate-string "%" "\\gnuspercent{}")
 239     (latexi-translate-string "#" "\\gnushash{}")
 240     (latexi-translate-string "^" "\\gnushat{}")
 241     (latexi-translate-string "~" "\\gnustilde{}")
 242     (latexi-translate-string "_" "\\gnusunderline{}")
 243     (latexi-translate-string "¬" "\\gnusnot{}")
 244     (goto-char (point-min))
 245     (while (search-forward "duppat{}" nil t)
 246       (replace-match "@" t t))
 247     (latexi-translate-string "@@" "@")
 248     (latexi-translate-string "<" "\\gnusless{}")
 249     (latexi-translate-string ">" "\\gnusgreater{}")
 250     (goto-char (point-min))
 251     (search-forward "label{Top}" nil t)
 252     (while (re-search-forward "\\\\[ntr]\\b" nil t)
 253       (when (save-match-data
 254               (or (not (save-excursion
 255                          (search-backward "begin{verbatim}" nil t)))
 256                   (> (save-excursion
 257                        (search-backward "end{verbatim"))
 258                      (save-excursion
 259                        (search-backward "begin{verbatim}")))))
 260         (goto-char (match-beginning 0))
 261         (delete-char 1)
 262         (insert "\\gnusbackslash{}")))
 263     (latexi-translate-string "\\\\" "\\gnusbackslash{}")
 264     (goto-char (point-min))
 265     (while (re-search-forward "\\\\[][{}]" nil t)
 266       (goto-char (match-beginning 0))
 267       (delete-char 1))
 268     (latexi-contributors)
 269     (write-region (point-min) (point-max) (concat file ".latexi"))))
 270
 271 (defun latexi-translate-string (in out)
 272   (let (yes)
 273     (goto-char (point-min))
 274     (search-forward "label{Top}" nil t)
 275     (while (search-forward in nil t)
 276       (when (save-match-data
 277               (or (not (save-excursion
 278                          (search-backward "begin{verbatim}" nil t)))
 279                   (> (save-excursion
 280                        (re-search-backward "end{verbatim}\\|end{verse}"))
 281                      (save-excursion
 282                        (re-search-backward
 283                         "begin{verbatim}\\|begin{verse}")))))
 284         (replace-match out t t)))))
 285
 286 (defun latexi-contributors ()
 287   (goto-char (point-min))
 288   (when (re-search-forward "^Also thanks to the following" nil t)
 289     (forward-line 2)
 290     (narrow-to-region
 291      (point)
 292      (1- (search-forward "\n\n")))
 293     (when (re-search-backward "^and" nil t)
 294       (latexi-strip-line))
 295     (goto-char (point-min))
 296     (while (re-search-forward "[.,] *$" nil t)
 297       (replace-match "" t t))
 298     (goto-char (point-min))
 299     (let (names)
 300       (while (not (eobp))
 301         (push (buffer-substring (point) (progn (end-of-line) (point)))
 302               names)
 303         (forward-line 1))
 304       (delete-region (point-min) (point-max))
 305       (insert "\\begin{tabular}{lll}\n")
 306       (setq names (nreverse (delete "" names)))
 307       (while names
 308         (insert (pop names) " & " (or (pop names) "\\mbox{}")
 309                 " & " (or (pop names) "\\mbox{}")
 310                 "\\\\\n"))
 311       (insert "\\end{tabular}\n")
 312       (widen))))
 313