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 (or (getenv "srcdir") ".")
  52                                          "/" file ".texi")))
  53         (times 3)
  54         (chapter 0)
  55         command arg)
  56     (pop-to-buffer latexi-buffer)
  57     (buffer-disable-undo)
  58     (erase-buffer)
  59     (insert-buffer-substring cur)
  60     (goto-char (point-min))
  61     (latexi-strip-line)
  62     (latexi-translate-string "%@{" "\\gnuspercent{}\\gnusbraceleft{}")
  63     (latexi-translate-string "%@}" "\\gnuspercent{}\\gnusbraceright{}")
  64     (latexi-translate-string "%1@{" "\\gnuspercent{}1\\gnusbraceright{}")
  65     (latexi-translate-string "@*" "\\newline{}")
  66     (latexi-translate-string "S@{" "S\\gnusbraceleft{}")
  67     (latexi-translate-string "@code{\\222}" "@code{\\gnusbackslash{}222}")
  68     (latexi-translate-string "@code{\\264}" "@code{\\gnusbackslash{}264}")
  69     (latexi-translate-string "@samp{\\Deleted}" "@samp{\\gnusbackslash{}Deleted}")
  70     (latexi-translate-string "@samp{\\Seen}" "@samp{\\gnusbackslash{}Seen}")
  71 ;    (while (re-search-forward "{\"[^\"]*\\(\\\\\\)[^\"]*\"}\\\\" nil t)
  72 ;      (replace-match "\\verb+\\\\+ " t t))
  73     (while (not (zerop (decf times)))
  74       (goto-char (point-min))
  75       (while (re-search-forward regexp nil t)
  76         (setq command (match-string 1))
  77         (if (match-beginning 3)
  78             (progn
  79               (setq arg (or (match-string 4) ""))
  80               (save-match-data
  81                 (when (string-match "[ \t]+$" arg)
  82                   (setq arg (substring arg 0 (match-beginning 0)))))
  83               (cond
  84                ((member command '("c" "comment"))
  85                 (if (string-match "@icon" (or arg ""))
  86                     (progn
  87                       (beginning-of-line)
  88                       (delete-region (point) (+ (point) 4))
  89                       (insert "\\gnus"))
  90                   (delete-region (match-beginning 0)
  91                                  (progn (end-of-line) (point))))
  92                 (if (equal arg "@head")
  93                     (insert "\\gnusinteresting")))
  94                ((member command '("setfilename"
  95                                   "synindex" "setchapternewpage"
  96                                   "summarycontents" "bye"
  97                                   "top" "iftex" "cartouche"
  98                                   "iflatex" "finalout" "vskip"
  99                                   "dircategory"))
 100                 (latexi-strip-line))
 101                ((member command '("menu" "tex" "ifinfo" "ignore"
 102                                   "ifnottex" "direntry"))
 103                 (latexi-discard-until command))
 104                ((member command '("subsection" "subsubsection"))
 105                 (latexi-switch-line command arg))
 106                ((member command '("chapter"))
 107                 (latexi-switch-line
 108                  (format
 109                   "gnus%s{\\epsfig{figure=ps/new-herd-%d.ps,scale=.5}}"
 110                    command (incf chapter))
 111                  arg))
 112                ((member command '("section"))
 113                 (latexi-switch-line (format "gnus%s" command) arg))
 114                ((member command '("cindex" "findex" "kindex" "vindex"))
 115                 (latexi-index-command command arg))
 116                ((member command '("*"))
 117                 (delete-char -2)
 118                 (insert "\\\\"))
 119                ((equal command "sp")
 120                 (replace-match "" t t))
 121                ((equal command "node")
 122                 (latexi-strip-line)
 123                 (insert (format "\\label{%s}\n" arg)))
 124                ((equal command "contents")
 125                 (latexi-strip-line)
 126                 ;;(insert (format "\\tableofcontents\n" arg))
 127                 )
 128                ((member command '("titlepage"))
 129                 (latexi-begin-command command))
 130                ((member command '("lisp" "example"))
 131                 (latexi-strip-line)
 132                 (insert (format "\\begin{verbatim}\n"))
 133                 (setq verbatim (point)))
 134                ((member command '("center"))
 135                 (latexi-strip-line)
 136                 (insert (format "\\begin{%s}%s\\end{%s}\n"
 137                                 command arg command)))
 138                ((member command '("end"))
 139                 (cond
 140                  ((member arg '("titlepage"))
 141                   (latexi-strip-line)
 142                   (insert (format "\\end{%s}\n" arg)))
 143                  ((equal arg "quotation")
 144                   (latexi-strip-line)
 145                   (insert (format "\\end{verse}\n")))
 146                  ((member arg '("lisp" "example"))
 147                   (latexi-strip-line)
 148                   (save-excursion
 149                     (save-restriction
 150                       (narrow-to-region verbatim (point))
 151                       (goto-char (point-min))
 152                       (while (search-forward "@{" nil t)
 153                         (replace-match "{" t t))
 154                       (goto-char (point-min))
 155                       (while (search-forward "@}" nil t)
 156                         (replace-match "}" t t))))
 157                   (setq verbatim nil)
 158                   (insert "\\end{verbatim}\n"))
 159                  ((member arg '("table"))
 160                   (setq item-string (pop item-stack))
 161                   (latexi-strip-line)
 162                   (insert (format "\\end{%slist}\n" (pop list-stack))))
 163                  ((member arg '("itemize" "enumerate"))
 164                   (setq item-string (pop item-stack))
 165                   (latexi-strip-line)
 166                   (insert (format "\\end{%s}\n" arg)))
 167                  ((member arg '("iflatex" "iftex" "cartouche"))
 168                   (latexi-strip-line))
 169                  (t
 170                   (error "Unknown end arg: %s" arg))))
 171                ((member command '("table"))
 172                 (push item-string item-stack)
 173                 (push (substring arg 1) list-stack)
 174                 (setq item-string
 175                       (format "[@%s{%%s}]" (car list-stack)))
 176                 (latexi-strip-line)
 177                 (insert (format "\\begin{%slist}\n" (car list-stack))))
 178                ((member command '("itemize" "enumerate"))
 179                 (push item-string item-stack)
 180                 (cond
 181                  ((member arg '("@bullet"))
 182                   (setq item-string "[\\gnusbullet]"))
 183                  (t
 184                   (setq item-string "")))
 185                 (latexi-strip-line)
 186                 (insert (format "\\begin{%s}\n" command)))
 187                ((member command '("item"))
 188                 (latexi-strip-line)
 189                 (insert (format "\\%s%s\n" command (format item-string arg))))
 190                ((equal command "itemx")
 191                 (latexi-strip-line)
 192                 (insert (format "\\gnusitemx{%s}\n" (format item-string arg))))
 193                ((eq (aref command 0) ?@)
 194                 (goto-char (match-beginning 0))
 195                 (delete-char 2)
 196                 (insert "duppat{}"))
 197                ((equal command "settitle")
 198                 (latexi-strip-line)
 199                 (insert (format "\\newcommand{\\gnustitlename}{%s}\n" arg)))
 200                ((equal command "title")
 201                 (latexi-strip-line)
 202                 (insert (format "\\gnustitlename{%s}\n" arg)))
 203                ((equal command "author")
 204                 (latexi-strip-line)
 205                 (insert (format "\\gnusauthor{%s}\n" arg)))
 206                ((equal command "quotation")
 207                 (latexi-begin-command "verse"))
 208                ((equal command "page")
 209                 (latexi-strip-line)
 210                 (insert (format "\\newpage\n" arg)))
 211                ((equal command "'s")
 212                 (goto-char (match-beginning 0))
 213                 (delete-char 1))
 214                ((equal command "include")
 215                 (latexi-strip-line)
 216                 (insert "\\input{gnus-faq.latexi}\n"))
 217                ((equal command "noindent")
 218                 (latexi-strip-line)
 219                 (insert "\\noindent\n"))
 220                ((equal command "printindex")
 221                 (latexi-strip-line)
 222                 ;;(insert
 223                 ;; (format
 224                 ;;  "\\begin{theindex}\\input{gnus.%s}\\end{theindex}\n" arg))
 225                 )
 226                (t
 227                 (error "Unknown command (line %d): %s"
 228                        (save-excursion
 229                          (widen)
 230                          (1+ (count-lines (point-min) (progn
 231                                                         (beginning-of-line)
 232                                                         (point)))))
 233                        command))))
 234           ;; These are commands with {}.
 235           (setq arg (match-string 5))
 236           (cond
 237            ((member command '("anchor"))
 238             (latexi-strip-line))
 239            ((member command '("ref" "xref" "pxref"))
 240             (latexi-exchange-command (concat "gnus" command) arg))
 241            ((member command '("sc" "file" "dfn" "emph" "kbd" "uref"
 242                               "code" "samp" "var" "strong" "i"
 243                               "result"))
 244             (goto-char (match-beginning 0))
 245             (delete-char 1)
 246             (insert "\\gnus"))
 247            ((member command '("copyright" "footnote"))
 248             (goto-char (match-beginning 0))
 249             (delete-char 1)
 250             (insert "\\"))
 251            ((member command '("dots"))
 252             (goto-char (match-beginning 0))
 253             (delete-region (match-beginning 0) (match-end 0))
 254             (insert "..."))
 255            ((eq (aref command 0) ?@)
 256             (goto-char (match-beginning 0))
 257             (delete-char 2)
 258             (insert "duppat{}"))
 259            (t
 260             (error "Unknown command (line %d): %s"
 261                    (save-excursion
 262                      (widen)
 263                      (1+ (count-lines (point-min) (progn
 264                                                     (beginning-of-line)
 265                                                     (point)))))
 266                    command))))))
 267     (latexi-translate-string "$" "\\gnusdollar{}")
 268     (latexi-translate-string "&" "\\gnusampersand{}")
 269     (latexi-translate-string "%" "\\gnuspercent{}")
 270     (latexi-translate-string "#" "\\gnushash{}")
 271     (latexi-translate-string "^" "\\gnushat{}")
 272     (latexi-translate-string "~" "\\gnustilde{}")
 273     (latexi-translate-string "_" "\\gnusunderline{}")
 274     (latexi-translate-string "¬" "\\gnusnot{}")
 275     (goto-char (point-min))
 276     (while (search-forward "duppat{}" nil t)
 277       (replace-match "@" t t))
 278     (latexi-translate-string "@@" "@")
 279     (latexi-translate-string "<" "\\gnusless{}")
 280     (latexi-translate-string ">" "\\gnusgreater{}")
 281     (goto-char (point-min))
 282     (search-forward "label{Top}" nil t)
 283     (while (re-search-forward "\\\\[ntr]\\b" nil t)
 284       (when (save-match-data
 285               (or (not (save-excursion
 286                          (search-backward "begin{verbatim}" nil t)))
 287                   (> (save-excursion
 288                        (search-backward "end{verbatim"))
 289                      (save-excursion
 290                        (search-backward "begin{verbatim}")))))
 291         (goto-char (match-beginning 0))
 292         (delete-char 1)
 293         (insert "\\gnusbackslash{}")))
 294     (latexi-translate-string "\\\\" "\\gnusbackslash{}")
 295     (goto-char (point-min))
 296     (while (re-search-forward "\\\\[][{}]" nil t)
 297       (goto-char (match-beginning 0))
 298       (delete-char 1))
 299     (latexi-contributors)
 300     (let ((coding-system-for-write 'iso-8859-1))
 301       (write-region (point-min) (point-max) (concat file ".latexi")))))
 302
 303 (defun latexi-translate-string (in out)
 304   (let (yes)
 305     (goto-char (point-min))
 306     (search-forward "label{Top}" nil t)
 307     (while (search-forward in nil t)
 308       (when (save-match-data
 309               (or (not (save-excursion
 310                          (search-backward "begin{verbatim}" nil t)))
 311                   (> (save-excursion
 312                        (re-search-backward "end{verbatim}\\|end{verse}"))
 313                      (save-excursion
 314                        (re-search-backward
 315                         "begin{verbatim}\\|begin{verse}")))))
 316         (replace-match out t t)))))
 317
 318 (defun latexi-contributors ()
 319   (goto-char (point-min))
 320   (when (re-search-forward "^Also thanks to the following" nil t)
 321     (forward-line 2)
 322     (narrow-to-region
 323      (point)
 324      (1- (search-forward "\n\n")))
 325     (when (re-search-backward "^and" nil t)
 326       (latexi-strip-line))
 327     (goto-char (point-min))
 328     (while (re-search-forward "[.,] *$" nil t)
 329       (replace-match "" t t))
 330     (goto-char (point-min))
 331     (let (names)
 332       (while (not (eobp))
 333         (push (buffer-substring (point) (progn (end-of-line) (point)))
 334               names)
 335         (forward-line 1))
 336       (delete-region (point-min) (point-max))
 337       (insert "\\begin{tabular}{lll}\n")
 338       (setq names (nreverse (delete "" names)))
 339       (while names
 340         (insert (pop names) " & " (or (pop names) "\\mbox{}")
 341                 " & " (or (pop names) "\\mbox{}")
 342                 "\\\\\n"))
 343       (insert "\\end{tabular}\n")
 344       (widen))))
 345