;;; scribe.el --- scribe mode, and its idiosyncratic commands ;; Copyright (C) 1985 Free Software Foundation, Inc. ;; Maintainer: FSF ;; Keywords: wp ;; This file is part of GNU Emacs. ;; GNU Emacs is free software; you can redistribute it and/or modify ;; it under the terms of the GNU General Public License as published by ;; the Free Software Foundation; either version 2, or (at your option) ;; any later version. ;; GNU Emacs is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; You should have received a copy of the GNU General Public License ;; along with GNU Emacs; see the file COPYING. If not, write to the ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA. ;;; Commentary: ;; A major mode for editing source in written for the Scribe text formatter. ;; Knows about Scribe syntax and standard layout rules. The command to ;; run Scribe on a buffer is bogus; someone interested should fix it. ;;; Code: (defgroup scribe nil "Scribe mode." :prefix "scribe-" :group 'wp) (defvar scribe-mode-syntax-table nil "Syntax table used while in scribe mode.") (defvar scribe-mode-abbrev-table nil "Abbrev table used while in scribe mode.") (defcustom scribe-fancy-paragraphs nil "*Non-nil makes Scribe mode use a different style of paragraph separation." :type 'boolean :group 'scribe) (defcustom scribe-electric-quote nil "*Non-nil makes insert of double quote use `` or '' depending on context." :type 'boolean :group 'scribe) (defcustom scribe-electric-parenthesis nil "*Non-nil makes parenthesis char ( (]}> ) automatically insert its close if typed after an @Command form." :type 'boolean :group 'scribe) (defconst scribe-open-parentheses "[({<" "Open parenthesis characters for Scribe.") (defconst scribe-close-parentheses "])}>" "Close parenthesis characters for Scribe. These should match up with `scribe-open-parenthesis'.") (if (null scribe-mode-syntax-table) (let ((st (syntax-table))) (unwind-protect (progn (setq scribe-mode-syntax-table (copy-syntax-table text-mode-syntax-table)) (set-syntax-table scribe-mode-syntax-table) (modify-syntax-entry ?\" " ") (modify-syntax-entry ?\\ " ") (modify-syntax-entry ?@ "w ") (modify-syntax-entry ?< "(> ") (modify-syntax-entry ?> ")< ") (modify-syntax-entry ?[ "(] ") (modify-syntax-entry ?] ")[ ") (modify-syntax-entry ?{ "(} ") (modify-syntax-entry ?} "){ ") (modify-syntax-entry ?' "w ")) (set-syntax-table st)))) (defvar scribe-mode-map nil) (if scribe-mode-map nil (setq scribe-mode-map (make-sparse-keymap)) (define-key scribe-mode-map "\t" 'scribe-tab) (define-key scribe-mode-map "\e\t" 'tab-to-tab-stop) (define-key scribe-mode-map "\es" 'center-line) (define-key scribe-mode-map "\e}" 'up-list) (define-key scribe-mode-map "\eS" 'center-paragraph) (define-key scribe-mode-map "\"" 'scribe-insert-quote) (define-key scribe-mode-map "(" 'scribe-parenthesis) (define-key scribe-mode-map "[" 'scribe-parenthesis) (define-key scribe-mode-map "{" 'scribe-parenthesis) (define-key scribe-mode-map "<" 'scribe-parenthesis) (define-key scribe-mode-map "\C-c\C-c" 'scribe-chapter) (define-key scribe-mode-map "\C-c\C-t" 'scribe-section) (define-key scribe-mode-map "\C-c\C-s" 'scribe-subsection) (define-key scribe-mode-map "\C-c\C-v" 'scribe-insert-environment) (define-key scribe-mode-map "\C-c\C-e" 'scribe-bracket-region-be) (define-key scribe-mode-map "\C-c[" 'scribe-begin) (define-key scribe-mode-map "\C-c]" 'scribe-end) (define-key scribe-mode-map "\C-c\C-i" 'scribe-italicize-word) (define-key scribe-mode-map "\C-c\C-b" 'scribe-bold-word) (define-key scribe-mode-map "\C-c\C-u" 'scribe-underline-word)) ;;;###autoload (define-derived-mode scribe-mode text-mode "Scribe" "Major mode for editing files of Scribe (a text formatter) source. Scribe-mode is similar to text-mode, with a few extra commands added. \\{scribe-mode-map} Interesting variables: `scribe-fancy-paragraphs' Non-nil makes Scribe mode use a different style of paragraph separation. `scribe-electric-quote' Non-nil makes insert of double quote use `` or '' depending on context. `scribe-electric-parenthesis' Non-nil makes an open-parenthesis char (one of `([<{') automatically insert its close if typed after an @Command form." (set (make-local-variable 'comment-start) "@Comment[") (set (make-local-variable 'comment-start-skip) (concat "@Comment[" scribe-open-parentheses "]")) (set (make-local-variable 'comment-column) 0) (set (make-local-variable 'comment-end) "]") (set (make-local-variable 'paragraph-start) (concat "\\([\n\f]\\)\\|\\(@\\w+[" scribe-open-parentheses "].*[" scribe-close-parentheses "]$\\)")) (set (make-local-variable 'paragraph-separate) (if scribe-fancy-paragraphs paragraph-start "$")) (set (make-local-variable 'sentence-end) "\\([.?!]\\|@:\\)[]\"')}]*\\($\\| $\\|\t\\| \\)[ \t\n]*") (set (make-local-variable 'compile-command) (concat "scribe " (buffer-file-name)))) (defun scribe-tab () (interactive) (insert "@\\")) ;; This algorithm could probably be improved somewhat. ;; Right now, it loses seriously... (defun scribe () "Run Scribe on the current buffer." (interactive) (call-interactively 'compile)) (defun scribe-envelop-word (string count) "Surround current word with Scribe construct @STRING[...]. COUNT specifies how many words to surround. A negative count means to skip backward." (let ((spos (point)) (epos (point)) (ccoun 0) noparens) (if (not (zerop count)) (progn (if (= (char-syntax (preceding-char)) ?w) (forward-sexp (min -1 count))) (setq spos (point)) (if (looking-at (concat "@\\w[" scribe-open-parentheses "]")) (forward-char 2) (goto-char epos) (skip-chars-backward "\\W") (forward-char -1)) (forward-sexp (max count 1)) (setq epos (point)))) (goto-char spos) (while (and (< ccoun (length scribe-open-parentheses)) (save-excursion (or (search-forward (char-to-string (aref scribe-open-parentheses ccoun)) epos t) (search-forward (char-to-string (aref scribe-close-parentheses ccoun)) epos t))) (setq ccoun (1+ ccoun)))) (if (>= ccoun (length scribe-open-parentheses)) (progn (goto-char epos) (insert "@end(" string ")") (goto-char spos) (insert "@begin(" string ")")) (goto-char epos) (insert (aref scribe-close-parentheses ccoun)) (goto-char spos) (insert "@" string (aref scribe-open-parentheses ccoun)) (goto-char epos) (forward-char 3) (skip-chars-forward scribe-close-parentheses)))) (defun scribe-underline-word (count) "Underline COUNT words around point by means of Scribe constructs." (interactive "p") (scribe-envelop-word "u" count)) (defun scribe-bold-word (count) "Boldface COUNT words around point by means of Scribe constructs." (interactive "p") (scribe-envelop-word "b" count)) (defun scribe-italicize-word (count) "Italicize COUNT words around point by means of Scribe constructs." (interactive "p") (scribe-envelop-word "i" count)) (defun scribe-begin () (interactive) (insert "\n") (forward-char -1) (scribe-envelop-word "Begin" 0) (re-search-forward (concat "[" scribe-open-parentheses "]"))) (defun scribe-end () (interactive) (insert "\n") (forward-char -1) (scribe-envelop-word "End" 0) (re-search-forward (concat "[" scribe-open-parentheses "]"))) (defun scribe-chapter () (interactive) (insert "\n") (forward-char -1) (scribe-envelop-word "Chapter" 0) (re-search-forward (concat "[" scribe-open-parentheses "]"))) (defun scribe-section () (interactive) (insert "\n") (forward-char -1) (scribe-envelop-word "Section" 0) (re-search-forward (concat "[" scribe-open-parentheses "]"))) (defun scribe-subsection () (interactive) (insert "\n") (forward-char -1) (scribe-envelop-word "SubSection" 0) (re-search-forward (concat "[" scribe-open-parentheses "]"))) (defun scribe-bracket-region-be (env min max) (interactive "sEnvironment: \nr") (save-excursion (goto-char max) (insert "@end(" env ")\n") (goto-char min) (insert "@begin(" env ")\n"))) (defun scribe-insert-environment (env) (interactive "sEnvironment: ") (scribe-bracket-region-be env (point) (point)) (forward-line 1) (insert ?\n) (forward-char -1)) (defun scribe-insert-quote (count) "Insert ``, '' or \" according to preceding character. If `scribe-electric-quote' is non-nil, insert ``, '' or \" according to preceding character. With numeric arg N, always insert N \" characters. Else just insert \"." (interactive "P") (if (or count (not scribe-electric-quote)) (self-insert-command (prefix-numeric-value count)) (let (lastfore lastback lastquote) (insert (cond ((= (preceding-char) ?\\) ?\") ((bobp) "``") (t (setq lastfore (save-excursion (and (search-backward "``" (- (point) 1000) t) (point))) lastback (save-excursion (and (search-backward "''" (- (point) 1000) t) (point))) lastquote (save-excursion (and (search-backward "\"" (- (point) 100) t) (point)))) (if (not lastquote) (cond ((not lastfore) "``") ((not lastback) "''") ((> lastfore lastback) "''") (t "``")) (cond ((and (not lastback) (not lastfore)) "\"") ((and lastback (not lastfore) (> lastquote lastback)) "\"") ((and lastback (not lastfore) (> lastback lastquote)) "``") ((and lastfore (not lastback) (> lastquote lastfore)) "\"") ((and lastfore (not lastback) (> lastfore lastquote)) "''") ((and (> lastquote lastfore) (> lastquote lastback)) "\"") ((> lastfore lastback) "''") (t "``"))))))))) (defun scribe-parenthesis (count) "If scribe-electric-parenthesis is non-nil, insertion of an open-parenthesis character inserts the following close parenthesis character if the preceding text is of the form @Command." (interactive "P") (self-insert-command (prefix-numeric-value count)) (let (at-command paren-char point-save) (if (or count (not scribe-electric-parenthesis)) nil (save-excursion (forward-char -1) (setq point-save (point)) (skip-chars-backward (concat "^ \n\t\f" scribe-open-parentheses)) (setq at-command (and (equal (following-char) ?@) (/= (point) (1- point-save))))) (if (and at-command (setq paren-char (string-match (regexp-quote (char-to-string (preceding-char))) scribe-open-parentheses))) (save-excursion (insert (aref scribe-close-parentheses paren-char))))))) (provide 'scribe) ;;; arch-tag: 64f454c4-7544-4ea2-9d14-f0b668f2cdc6 ;;; scribe.el ends here