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- ;;; bib-mode.el --- bib-mode, major mode for editing bib files.
-
- ;; Copyright (C) 1989 Free Software Foundation, Inc.
-
- ;; Maintainer: FSF
- ;; Keywords: bib
-
- ;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- ;;; Commentary:
-
- ;; GNU Emacs code to help maintain databases compatible with (troff)
- ;; refer and lookbib. The file bib-file should be set to your
- ;; bibliography file. Keys are automagically inserted as you type,
- ;; and appropriate keys are presented for various kinds of entries.
-
- ;;; Code:
-
- (defvar bib-file "~/my-bibliography.bib"
- "Default name of file used by `addbib'.")
-
- (defvar unread-bib-file "~/to-be-read.bib"
- "Default name of file used by `unread-bib' in Bib mode.")
-
- (defvar bib-mode-map (copy-keymap text-mode-map))
- (define-key bib-mode-map "\C-M" 'return-key-bib)
- (define-key bib-mode-map "\C-c\C-u" 'unread-bib)
- (define-key bib-mode-map "\C-c\C-@" 'mark-bib)
- (define-key bib-mode-map "\e`" 'abbrev-mode)
- (defvar bib-mode-abbrev-table nil
- "Abbrev table used in Bib mode")
-
- (defun addbib ()
- "Set up editor to add to troff bibliography file specified
- by global variable `bib-file'. See description of `bib-mode'."
- (interactive)
- (find-file bib-file)
- (goto-char (point-max))
- (bib-mode)
- )
-
- (defun bib-mode ()
- "Mode for editing `lookbib' style bibliographies.
- Hit RETURN to get next % field key.
- If you want to ignore this field, just hit RETURN again.
- Use `text-mode' to turn this feature off.
-
- journal papers: A* T D J V N P K W X
- articles in books & proceedings: A* T D B E* I C P K W X
- tech reports: A* T D R I C K W X
- books: A* T D I C K W X
-
- Fields:
-
- A uthor T itle D ate J ournal
- V olume N umber P age K eywords
- B in book or proceedings E ditor C ity & state
- I nstitution, school, or publisher
- R eport number or 'phd thesis' or 'masters thesis' or 'draft' or
- 'unnumbered' or 'unpublished'
- W here can be found locally (login name, or ailib, etc.)
- X comments (not used in indexing)
-
- \\[unread-bib] appends current entry to a different file (for example,
- a file of papers to be read in the future), given by the value of the
- variable `unread-bib-file'.
- \\[mark-bib] marks current or previous entry.
- Abbreviations are saved in `bib-mode-abbrev-table'.
- Hook can be stored in `bib-mode-hook'.
- Field keys given by variable `bib-assoc'.
-
- Commands:
- \\{bib-mode-map}
- "
- (interactive)
- (text-mode)
- (use-local-map bib-mode-map)
- (setq mode-name "Bib")
- (setq major-mode 'bib-mode)
- (define-abbrev-table 'bib-mode-abbrev-table ())
- (setq local-abbrev-table bib-mode-abbrev-table)
- (abbrev-mode 1)
- (run-hooks 'bib-mode-hook)
- )
-
- (defconst bib-assoc '(
- (" *$" . "%A ")
- ("%A ." . "%A ")
- ("%A $" . "%T ")
- ("%T " . "%D ")
- ("%D " . "%J ")
- ("%J ." . "%V ")
- ("%V " . "%N ")
- ("%N " . "%P ")
- ("%P " . "%K ")
- ("%K " . "%W ")
- ("%W " . "%X ")
- ("%X " . "")
- ("%J $" . "%B ")
- ("%B ." . "%E ")
- ("%E ." . "%E ")
- ("%E $" . "%I ")
- ("%I " . "%C ")
- ("%C " . "%P ")
- ("%B $" . "%R ")
- ("%R " . "%I ")
- )
-
- "Describes bibliographic database format. A line beginning with
- the car of an entry is followed by one beginning with the cdr.
- ")
-
- (defun bib-find-key (slots)
- (cond
- ((null slots)
- (if (bobp)
- ""
- (progn (previous-line 1) (bib-find-key bib-assoc))))
- ((looking-at (car (car slots)))
- (cdr (car slots)))
- (t (bib-find-key (cdr slots)))
- ))
-
-
- (defvar bib-auto-capitalize t
- "*True to automatically capitalize appropriate fields in Bib mode.")
-
- (defconst bib-capitalized-fields "%[AETCBIJR]")
-
- (defun return-key-bib ()
- "Magic when user hits return, used by `bib-mode'."
- (interactive)
- (if (eolp)
- (let (empty new-key beg-current end-current)
- (beginning-of-line)
- (setq empty (looking-at "%. $"))
- (if (not empty)
- (progn
- (end-of-line)
- (newline)
- (forward-line -1)
- ))
- (end-of-line)
- (setq end-current (point))
- (beginning-of-line)
- (setq beg-current (point))
- (setq new-key (bib-find-key bib-assoc))
- (if (and (not empty) bib-auto-capitalize
- (looking-at bib-capitalized-fields))
- (save-excursion
- (capitalize-title-region (+ (point) 3) end-current)))
- (goto-char beg-current)
- (if empty
- (kill-line nil)
- (forward-line 1)
- )
- (insert-string new-key))
- (newline)))
-
- (defun mark-bib ()
- "Set mark at beginning of current or previous bib entry, point at end."
- (interactive)
- (beginning-of-line nil)
- (if (looking-at "^ *$") (re-search-backward "[^ \n]" nil 2))
- (re-search-backward "^ *$" nil 2)
- (re-search-forward "^%")
- (beginning-of-line nil)
- (push-mark (point))
- (re-search-forward "^ *$" nil 2)
- (next-line 1)
- (beginning-of-line nil))
-
- (defun unread-bib ()
- "Append current or previous entry to file of unread papers
- named by variable `unread-bib-file'."
- (interactive)
- (mark-bib)
- (if (get-file-buffer unread-bib-file)
- (append-to-buffer (get-file-buffer unread-bib-file) (mark) (point))
- (append-to-file (mark) (point) unread-bib-file)))
-
-
- (defvar capitalize-title-stop-words
- (concat
- "the\\|and\\|of\\|is\\|a\\|an\\|of\\|for\\|in\\|to\\|in\\|on\\|at\\|"
- "by\\|with\\|that\\|its")
- "Words not to be capitialized in a title (unless they're the first word
- in the title).")
-
- (defvar capitalize-title-stop-regexp
- (concat "\\(" capitalize-title-stop-words "\\)\\(\\b\\|'\\)"))
-
- (defun capitalize-title-region (begin end)
- "Like `capitalize-region', but don't capitalize stop words, except the first."
- (interactive "r")
- (let ((case-fold-search nil) (orig-syntax-table (syntax-table)))
- (unwind-protect
- (save-restriction
- (set-syntax-table text-mode-syntax-table)
- (narrow-to-region begin end)
- (goto-char (point-min))
- (if (looking-at "[A-Z][a-z]*[A-Z]")
- (forward-word 1)
- (capitalize-word 1))
- (while (re-search-forward "\\<" nil t)
- (if (looking-at "[A-Z][a-z]*[A-Z]")
- (forward-word 1)
- (if (let ((case-fold-search t))
- (looking-at capitalize-title-stop-regexp))
- (downcase-word 1)
- (capitalize-word 1)))
- ))
- (set-syntax-table orig-syntax-table))))
-
-
- (defun capitalize-title (s)
- "Like `capitalize', but don't capitalize stop words, except the first."
- (save-excursion
- (set-buffer (get-buffer-create "$$$Scratch$$$"))
- (erase-buffer)
- (insert s)
- (capitalize-title-region (point-min) (point-max))
- (buffer-string)))
-
- (provide 'bib-mode)
-
- ;;; bib-mode.el ends here
-