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1.1 ! root 1: ;;; Grind GNU Emacs DOC file into LaTeX input ! 2: ;;; Copyright (C) 1987 Kyle E. Jones, Tor Lillqvist ! 3: ! 4: ;;; This file may be redistributed provided the above copyright ! 5: ;;; notice appears on all copies and that the further free redistribution ! 6: ;;; of this file is not in any way restricted by those who ! 7: ;;; redistribute it. ! 8: ! 9: ;;; Based on Kyle E. Jones's grind-DOC package. ! 10: ! 11: ;;; This software is distributed 'as is', without warranties of any kind. ! 12: ! 13: ;;; This file is not part of GNU Emacs. ! 14: ! 15: ;;; The document that is the output from the (LaTeXify-DOC) function is ! 16: ;;; part of GNU Emacs. ! 17: ! 18: ! 19: (defvar LaTeXify-DOC-style "report" ! 20: "*Should be bound to a string indicating what LaTeX document style ! 21: should be used to format the DOC file. If this variable is set to nil ! 22: the report style will be used.") ! 23: ! 24: (defvar LaTeXify-DOC-style-options "" ! 25: "*A string containing a list of document style options for LaTeX") ! 26: ! 27: (defun LaTeXify-DOC () (interactive) ! 28: "Reads the etc/DOC-xx.xx.x file into a buffer and converts it to a form ! 29: suitable as LaTeX input." ! 30: ; ! 31: ; Make sure we can deal with the macro package and the point size. ! 32: ; ! 33: (cond ! 34: ((not (stringp LaTeXify-DOC-style)) ! 35: (error "LaTeXify-DOC-style must be a string"))) ! 36: ; ! 37: ; Select the DOC file. ! 38: ; ! 39: (find-file (expand-file-name ! 40: (if (fboundp 'dump-emacs) ! 41: (concat "DOC-" emacs-version) ! 42: "DOC") ! 43: exec-directory)) ! 44: (setq buffer-read-only nil) ! 45: (auto-save-mode 0) ! 46: (set-visited-file-name (concat (buffer-file-name) ".tex")) ! 47: (delete-other-windows) ! 48: ; ! 49: ; Save-excursion just in case the DOC file was already selected. ! 50: ; ! 51: (save-excursion ! 52: (let (case-fold-search mode-line-format varstart-point bufstring name odot) ! 53: ; ! 54: ; The first thing we must do is convert the \[COMMAND] sequences ! 55: ; into the keys that the COMMANDs are bound to. ! 56: ; ! 57: (setq mode-line-format ! 58: " Grinding the DOC file... be patient.") ! 59: (sit-for 0) ! 60: (replace-regexp "\\\\{\\(\\s_\\|\\sw\\)*}" ! 61: "]]bgroup]]obeylines\\&]]egroup") ! 62: (setq bufstring (substitute-command-keys (buffer-string))) ! 63: (erase-buffer) ! 64: (insert bufstring) ! 65: ; ! 66: ; Here we make each docstring begin and end with C-_ for ! 67: ; easier manipulation. This is undone later. ! 68: ; ! 69: (goto-char (1+ (point-min))) ! 70: (replace-string "\C-_" "\C-_\C-_" nil) ! 71: (goto-char (point-max)) ! 72: (insert "\C-_") ! 73: ; ! 74: ; Sort the docstrings. This implicitly separates function ! 75: ; documentation from the variable documentation. ! 76: ; ! 77: (sort-regexp-fields nil "\C-_\\([FV].*\\)[^\C-_]*\C-_" "\\1" ! 78: (point-min) (point-max)) ! 79: ; ! 80: ; Handle TeX special characters ! 81: ; ! 82: (goto-char (point-min)) ! 83: (mapcar ! 84: '(lambda (x) (save-excursion (eval x))) ! 85: '((replace-string "#" "]]#") ! 86: (replace-string "$" "]]$") ! 87: (replace-string "%" "]]%") ! 88: (replace-string "&" "]]&") ! 89: (replace-string "~" "]]verb+~+") ! 90: (replace-string "_" "]]verb+_+") ! 91: (replace-string "^" "]]verb+^+") ! 92: (replace-string "\\" "]]verb+]]+") ! 93: (replace-string "{" "]]{") ! 94: (replace-string "}" "]]}") ! 95: (replace-string "<" "]]verb+<+") ! 96: (replace-string ">" "]]verb+>+") ! 97: (replace-string "]]" "\\"))) ! 98: ; ! 99: ; Now add the indentation commands and put ( ...) around the functions ! 100: ; ! 101: (save-restriction ! 102: (goto-char (point-min)) ! 103: (search-forward "\C-_V" (point-max) nil 1) ! 104: (backward-char 2) ! 105: (narrow-to-region (point-min) (dot)) ! 106: (goto-char (point-min)) ! 107: (insert "\\section*{Functions}\n" ! 108: "\\begin{description}\n") ! 109: (while (search-forward "\C-_F" (point-max) t 1) ! 110: (delete-char -2) ! 111: (insert "\n\\item[\\sf(") ! 112: (end-of-line 1) ! 113: (insert " ...)]") ! 114: (search-forward "\C-_" (point-max) nil 1) ! 115: (delete-char -1)) ! 116: (insert "\\end{description}\n")) ! 117: (insert "\\section*{Variables} ! 118: Variables whose documentation begins with an ! 119: asterisk `*' are user definable options. These variables are ! 120: used to customize Emacs. Other variables are generally of ! 121: interest only to Emacs Lisp programmers. ! 122: \\begin{description}\n") ! 123: (while (search-forward "\C-_V" (point-max) t 1) ! 124: (delete-char -2) ! 125: (insert "\n\\item[\\sf ") ! 126: (end-of-line 1) ! 127: (insert "]") ! 128: (search-forward "\C-_" (point-max) nil 1) ! 129: (delete-char -1)) ! 130: (insert "\\end{description}\n" ! 131: "\\end{document}\n") ! 132: ; ! 133: ; Try to make those parameters that are in all-caps look better ! 134: ; ! 135: (goto-char (point-min)) ! 136: (mapcar ! 137: '(lambda (x) (save-excursion (eval x))) ! 138: '((replace-regexp "[A-Z][A-Z]+" "\n{\\\\lowercase{\\\\sf \\&}}" nil) ! 139: (replace-string "\\lowercase{\\sf TAB}" "{\\tt TAB}") ! 140: (replace-string "\\lowercase{\\sf LFD}" "{\\tt LFD}") ! 141: (replace-string "\\lowercase{\\sf RET}" "{\\tt RET}") ! 142: (replace-string "\\lowercase{\\sf ESC}" "{\\tt ESC}") ! 143: (replace-string "\\lowercase{\\sf SPC}" "{\\tt SPC}") ! 144: (replace-string "\\lowercase{\\sf DEL}" "{\\tt DEL}"))) ! 145: ; ! 146: ; Handle document style and front matter ! 147: ; ! 148: (goto-char (point-min)) ! 149: (insert "\\documentstyle[" ! 150: LaTeXify-DOC-style-options ! 151: "]{" LaTeXify-DOC-style "}\n" ! 152: "\\begin{document}\n" ! 153: "\\title{GNU Emacs Lisp Reference \\\\\n" ! 154: "Version " emacs-version " \\\\\n" ! 155: "\\large (gouged with a blunt instrument from the DOC file)}\n" ! 156: "\\author{Richard M. Stallman}\n" ! 157: "\\date{" (substring emacs-build-time 4 8) ! 158: (substring emacs-build-time 20) "}\n" ! 159: "\\maketitle\n") ! 160: ; ! 161: ; Insert the GNU Emacs copyright notice. ! 162: ; ! 163: (insert ! 164: "\\begin{centering}\n" ! 165: "Copyright \\copyright" (substring emacs-build-time 20) ! 166: " Free Software Foundation, Inc. \\\\\n" ! 167: "\\end{centering} ! 168: \\vspace{\\baselineskip} ! 169: \\noindent ! 170: This document is part of GNU Emacs. ! 171: ! 172: GNU Emacs is distributed in the hope that it will be useful, ! 173: but WITHOUT ANY WARRANTY. No author or distributor ! 174: accepts responsibility to anyone for the consequences of using it ! 175: or for whether it serves any particular purpose or works at all, ! 176: unless he says so in writing. Refer to the GNU Emacs General Public ! 177: License for full details. ! 178: ! 179: Everyone is granted permission to copy, modify and redistribute ! 180: GNU Emacs, but only under the conditions described in the ! 181: GNU Emacs General Public License. A copy of this license is ! 182: supposed to have been given to you along with GNU Emacs so you ! 183: can know your rights and responsibilities. It should be in a ! 184: file named COPYING. Among other things, the copyright notice ! 185: and this notice must be preserved on all copies. ! 186: \\newpage\\sloppy\n") ! 187: ; ! 188: ; That's it ! 189: ; ! 190: (message "Grinding completed. Behold!"))))
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