emacs/lisp/textmodes/reftex-auc.el

246 lines
9.4 KiB
EmacsLisp

;;; reftex-auc.el --- RefTeX's interface to AUCTeX -*- lexical-binding: t; -*-
;; Copyright (C) 1997-2024 Free Software Foundation, Inc.
;; Author: Carsten Dominik <dominik@science.uva.nl>
;; Maintainer: auctex-devel@gnu.org
;; 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 3 of the License, 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. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(eval-when-compile (require 'cl-lib))
(require 'reftex)
(declare-function TeX-argument-prompt "ext:tex"
(optional prompt default &optional complete))
(declare-function TeX-argument-insert "ext:tex"
(name optional &optional prefix))
(declare-function LaTeX-add-labels "ext:latex" (&rest labels) t)
(declare-function LaTeX-add-index-entries "ext:latex" (&rest index-entries) t)
(declare-function LaTeX-add-bibitems "ext:latex" (&rest bibitems) t)
(declare-function LaTeX-bibitem-list "ext:latex" () t)
(declare-function LaTeX-index-entry-list "ext:latex" () t)
(declare-function LaTeX-label-list "ext:latex" () t)
(declare-function multi-prompt "ext:multi-prompt"
(separator unique prompt table &optional
mp-predicate require-match initial history))
(defun reftex-plug-flag (which)
;; Tell if a certain flag is set in reftex-plug-into-AUCTeX
(or (eq t reftex-plug-into-AUCTeX)
(and (listp reftex-plug-into-AUCTeX)
(nth which reftex-plug-into-AUCTeX))))
;;;###autoload
(defun reftex-arg-label (optional &optional prompt definition)
"Use `reftex-label', `reftex-reference' or AUCTeX's code to insert label arg.
What is being used depends upon `reftex-plug-into-AUCTeX'."
(let (label)
(cond
((and definition (reftex-plug-flag 1))
;; Create a new label, with a temporary brace for `reftex-what-macro'
(unwind-protect
(progn (insert "{") (setq label (or (reftex-label nil t) "")))
(delete-char -1)))
((and (not definition) (reftex-plug-flag 2))
;; Reference a label with RefTeX
(setq label (reftex-reference nil t)))
(t
;; AUCTeX's default mechanism
(setq label (completing-read (TeX-argument-prompt optional prompt "Key")
(LaTeX-label-list)))))
(if (and definition (not (string-equal "" label)))
(LaTeX-add-labels label))
(TeX-argument-insert label optional)))
;;;###autoload
(defun reftex-arg-cite (optional &optional prompt definition)
"Use `reftex-citation' or AUCTeX's code to insert a cite-key macro argument.
What is being used depends upon `reftex-plug-into-AUCTeX'."
(let (items)
(cond
((and (not definition) (reftex-plug-flag 3))
(setq items (or (reftex-citation t) (list ""))))
(t
(setq prompt (concat (if optional "(Optional) " "")
(if prompt prompt "Add key")
" (default none): "))
(setq items (multi-prompt "," t prompt (LaTeX-bibitem-list)))))
(apply #'LaTeX-add-bibitems items)
(TeX-argument-insert (mapconcat #'identity items reftex-cite-key-separator)
optional)))
;;;###autoload
(defun reftex-arg-index-tag (optional &optional prompt &rest _args)
"Prompt for an index tag with completion.
This is the name of an index, not the entry."
(let (tag taglist)
(setq prompt (concat (if optional "(Optional) " "")
(if prompt prompt "Index tag")
" (default none): "))
(if (and reftex-support-index (reftex-plug-flag 4))
;; Use RefTeX completion
(progn
(reftex-access-scan-info nil)
(setq taglist
(cdr (assoc 'index-tags
(symbol-value reftex-docstruct-symbol)))
tag (completing-read prompt (mapcar #'list taglist))))
;; Just ask like AUCTeX does.
(setq tag (read-string prompt)))
(TeX-argument-insert tag optional)))
;;;###autoload
(defun reftex-arg-index (optional &optional prompt &rest _args)
"Prompt for an index entry completing with known entries.
Completion is specific for just one index, if the macro or a tag
argument identify one of multiple indices."
(let* (tag key)
(if (and reftex-support-index (reftex-plug-flag 4))
(progn
(reftex-access-scan-info nil)
(setq tag (reftex-what-index-tag)
key (reftex-index-complete-key (or tag "idx"))))
(setq key (completing-read (TeX-argument-prompt optional prompt "Key")
(LaTeX-index-entry-list))))
(unless (string-equal "" key)
(LaTeX-add-index-entries key))
(TeX-argument-insert key optional)))
(defun reftex-what-index-tag ()
;; Look backward to find out what index the macro at point belongs to
(let ((macro (save-excursion
(and (re-search-backward "\\\\[a-zA-Z*]+" nil t)
(match-string 0))))
tag entry)
(when (and macro
(setq entry (assoc macro reftex-index-macro-alist)))
(setq tag (nth 1 entry))
(cond
((stringp tag) tag)
((integerp tag)
(save-excursion
(goto-char (match-end 0))
(or (reftex-nth-arg tag (nth 6 entry)) "idx")))
(t "idx")))))
(defvar LaTeX-label-function)
;;;###autoload
(defun reftex-plug-into-AUCTeX ()
;; Replace AUCTeX functions with RefTeX functions.
;; Which functions are replaced is controlled by the variable
;; `reftex-plug-into-AUCTeX'.
(if (reftex-plug-flag 0)
(if (bound-and-true-p LaTeX-label-function)
(add-function :override LaTeX-label-function #'reftex-label)
(setq LaTeX-label-function #'reftex-label))
(if (eq #'reftex-label (bound-and-true-p LaTeX-label-function))
(setq LaTeX-label-function nil)
(remove-function LaTeX-label-function #'reftex-label)))
(if (or (reftex-plug-flag 1) (reftex-plug-flag 2))
(advice-add 'TeX-arg-label :override #'reftex-arg-label)
(advice-remove 'TeX-arg-label #'reftex-arg-label))
(if (reftex-plug-flag 3)
(advice-add 'TeX-arg-cite :override #'reftex-arg-cite)
(advice-remove 'TeX-arg-cite #'reftex-arg-cite))
(if (reftex-plug-flag 4)
(advice-add 'TeX-arg-index-tag :override #'reftex-arg-index-tag)
(advice-remove 'TeX-arg-index-tag #'reftex-arg-index-tag))
(if (reftex-plug-flag 4)
(advice-add 'TeX-arg-index :override #'reftex-arg-index)
(advice-remove 'TeX-arg-index #'reftex-arg-index)))
;;;###autoload
(defun reftex-toggle-plug-into-AUCTeX ()
"Toggle Interface between AUCTeX and RefTeX on and off."
(interactive)
(unless (and (featurep 'tex-site) (featurep 'latex))
(error "AUCTeX's LaTeX mode does not seem to be loaded"))
(setq reftex-plug-into-AUCTeX (not reftex-plug-into-AUCTeX))
(reftex-plug-into-AUCTeX)
(if reftex-plug-into-AUCTeX
(message "RefTeX has been plugged into AUCTeX.")
(message "RefTeX no longer interacts with AUCTeX.")))
;;;###autoload
(defun reftex-add-label-environments (entry-list)
"Add label environment descriptions to `reftex-label-alist-style'.
The format of ENTRY-LIST is exactly like `reftex-label-alist'. See there
for details.
This function makes it possible to support RefTeX from AUCTeX style files.
The entries in ENTRY-LIST will be processed after the user settings in
`reftex-label-alist', and before the defaults (specified in
`reftex-default-label-alist-entries'). Any changes made to
`reftex-label-alist-style' will raise a flag to the effect that
the label information is recompiled on next use."
(unless reftex-docstruct-symbol
(reftex-tie-multifile-symbols))
(when (and reftex-docstruct-symbol
(symbolp reftex-docstruct-symbol))
(let ((list (get reftex-docstruct-symbol 'reftex-label-alist-style))
entry changed)
(while entry-list
(setq entry (pop entry-list))
(unless (member entry list)
(setq reftex-tables-dirty t
changed t)
(push entry list)))
(when changed
(put reftex-docstruct-symbol 'reftex-label-alist-style list)))))
;;;###autoload
(defalias 'reftex-add-to-label-alist #'reftex-add-label-environments)
;;;###autoload
(defun reftex-add-section-levels (entry-list)
"Add entries to the value of `reftex-section-levels'.
The added values are kept local to the current document. The format
of ENTRY-LIST is a list of cons cells (\"MACRONAME\" . LEVEL). See
`reftex-section-levels' for an example."
(unless reftex-docstruct-symbol
(reftex-tie-multifile-symbols))
(when (and reftex-docstruct-symbol
(symbolp reftex-docstruct-symbol))
(let ((list (get reftex-docstruct-symbol 'reftex-section-levels))
entry changed)
(while entry-list
(setq entry (pop entry-list))
(unless (member entry list)
(setq reftex-tables-dirty t
changed t)
(push entry list)))
(when changed
(put reftex-docstruct-symbol 'reftex-section-levels list)))))
;;;###autoload
(defun reftex-notice-new-section ()
(reftex-notice-new 1 'force))
(provide 'reftex-auc)
;;; reftex-auc.el ends here
;; Local Variables:
;; generated-autoload-file: "reftex-loaddefs.el"
;; End: