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852 lines
34 KiB
EmacsLisp
852 lines
34 KiB
EmacsLisp
;;; reftex-ref.el --- code to create labels and references with RefTeX
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;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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;; 2006 Free Software Foundation, Inc.
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;; Author: Carsten Dominik <dominik@science.uva.nl>
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;; Version: 4.31
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; Code:
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(eval-when-compile (require 'cl))
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(provide 'reftex-ref)
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(require 'reftex)
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(require 'reftex-parse)
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;;;
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(defun reftex-label-location (&optional bound)
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"Return the environment or macro which determines the label type at point.
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If optional BOUND is an integer, limit backward searches to that point."
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(let* ((loc1 (reftex-what-macro reftex-label-mac-list bound))
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(loc2 (reftex-what-environment reftex-label-env-list bound))
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(loc3 (reftex-what-special-env 1 bound))
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(p1 (or (cdr loc1) 0))
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(p2 (or (cdr loc2) 0))
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(p3 (or (cdr loc3) 0))
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(pmax (max p1 p2 p3)))
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(setq reftex-location-start pmax)
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(cond
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((= p1 pmax)
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;; A macro. Default context after macro name.
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(setq reftex-default-context-position (+ p1 (length (car loc1))))
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(or (car loc1) "section"))
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((= p2 pmax)
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;; An environment. Default context after \begin{name}.
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(setq reftex-default-context-position (+ p2 8 (length (car loc2))))
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(or (car loc2) "section"))
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((= p3 pmax)
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;; A special. Default context right there.
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(setq reftex-default-context-position p3)
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(setq loc3 (car loc3))
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(cond ((null loc3) "section")
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((symbolp loc3) (symbol-name loc3))
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((stringp loc3) loc3)
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(t "section")))
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(t ;; This should not happen, I think?
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"section"))))
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(defun reftex-label-info-update (cell)
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;; Update information about just one label in a different file.
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;; CELL contains the old info list
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(let* ((label (nth 0 cell))
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(typekey (nth 1 cell))
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;; (text (nth 2 cell))
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(file (nth 3 cell))
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(comment (nth 4 cell))
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(note (nth 5 cell))
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(buf (reftex-get-file-buffer-force
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file (not (eq t reftex-keep-temporary-buffers)))))
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(if (not buf)
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(list label typekey "" file comment "LOST LABEL. RESCAN TO FIX.")
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(save-excursion
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(set-buffer buf)
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(save-restriction
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(widen)
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(goto-char 1)
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(if (or (re-search-forward
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(format reftex-find-label-regexp-format
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(regexp-quote label)) nil t)
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(re-search-forward
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(format reftex-find-label-regexp-format2
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(regexp-quote label)) nil t))
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(progn
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(backward-char 1)
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(append (reftex-label-info label file) (list note)))
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(list label typekey "" file "LOST LABEL. RESCAN TO FIX.")))))))
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(defun reftex-label-info (label &optional file bound derive env-or-mac)
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;; Return info list on LABEL at point.
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(let* ((prefix (if (string-match "^[a-zA-Z0-9]+:" label)
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(match-string 0 label)))
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(typekey (cdr (assoc prefix reftex-prefix-to-typekey-alist)))
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(file (or file (buffer-file-name)))
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(trust reftex-trust-label-prefix)
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(in-comment (reftex-in-comment)))
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(if (and typekey
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(cond ((eq trust t) t)
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((null trust) nil)
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((stringp trust) (string-match trust typekey))
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((listp trust) (member typekey trust))
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(t nil)))
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(list label typekey
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(reftex-nicify-text (reftex-context-substring))
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file in-comment)
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(let* ((env-or-mac (or env-or-mac (reftex-label-location bound)))
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(typekey (nth 1 (assoc env-or-mac reftex-env-or-mac-alist)))
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(parse (nth 2 (assoc env-or-mac reftex-env-or-mac-alist)))
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(text (reftex-short-context env-or-mac parse reftex-location-start
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derive)))
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(list label typekey text file in-comment)))))
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;;; Creating labels ---------------------------------------------------------
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(defun reftex-label (&optional environment no-insert)
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"Insert a unique label. Return the label.
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If ENVIRONMENT is given, don't bother to find out yourself.
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If NO-INSERT is non-nil, do not insert label into buffer.
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With prefix arg, force to rescan document first.
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When you are prompted to enter or confirm a label, and you reply with
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just the prefix or an empty string, no label at all will be inserted.
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A new label is also recorded into the label list.
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This function is controlled by the settings of reftex-insert-label-flags."
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(interactive)
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;; Ensure access to scanning info and rescan buffer if prefix are is '(4).
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(reftex-access-scan-info current-prefix-arg)
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;; Find out what kind of environment this is and abort if necessary.
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(if (or (not environment)
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(not (assoc environment reftex-env-or-mac-alist)))
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(setq environment (reftex-label-location)))
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(unless environment
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(error "Can't figure out what kind of label should be inserted"))
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;; Ok, go ahead.
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(catch 'exit
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(let* ((entry (assoc environment reftex-env-or-mac-alist))
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(typekey (nth 1 entry))
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(format (nth 3 entry))
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(macro-cell (reftex-what-macro 1))
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(entry1 (assoc (car macro-cell) reftex-env-or-mac-alist))
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label naked prefix valid default force-prompt rescan-is-useful)
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(when (and (or (nth 5 entry) (nth 5 entry1))
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(memq (preceding-char) '(?\[ ?\{)))
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;; This is an argument of a label macro. Insert naked label.
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(setq naked t format "%s"))
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(setq prefix (or (cdr (assoc typekey reftex-typekey-to-prefix-alist))
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(concat typekey "-")))
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;; Replace any escapes in the prefix
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(setq prefix (reftex-replace-prefix-escapes prefix))
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;; Make a default label.
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(cond
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((reftex-typekey-check typekey (nth 0 reftex-insert-label-flags))
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;; Derive a label from context.
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(setq reftex-active-toc (reftex-last-assoc-before-elt
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'toc (car (reftex-where-am-I))
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(symbol-value reftex-docstruct-symbol)))
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(setq default (reftex-no-props
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(nth 2 (reftex-label-info " " nil nil t))))
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;; Catch the cases where the is actually no context available.
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(if (or (string-match "NO MATCH FOR CONTEXT REGEXP" default)
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(string-match "INVALID VALUE OF PARSE" default)
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(string-match "SECTION HEADING NOT FOUND" default)
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(string-match "HOOK ERROR" default)
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(string-match "^[ \t]*$" default))
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(setq default prefix
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force-prompt t) ; need to prompt
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(setq default
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(concat prefix
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(funcall reftex-string-to-label-function default)))
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;; Make it unique.
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(setq default (reftex-uniquify-label default nil "-"))))
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((reftex-typekey-check typekey (nth 1 reftex-insert-label-flags))
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;; Minimal default: the user will be prompted.
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(setq default prefix))
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(t
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;; Make an automatic label.
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(setq default (reftex-uniquify-label prefix t))))
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;; Should we ask the user?
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(if (or (reftex-typekey-check typekey
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(nth 1 reftex-insert-label-flags)) ; prompt
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force-prompt)
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(while (not valid)
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;; iterate until we get a valid label
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(setq label (read-string
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(if naked "Naked Label: " "Label: ")
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default))
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;; Lets make sure that this is a valid label
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(cond
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((string-match (concat "\\`\\(" (regexp-quote prefix)
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"\\)?[ \t]*\\'")
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label)
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;; No label at all, please
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(message "No label inserted.")
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(throw 'exit nil))
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;; Test if label contains strange characters
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((string-match reftex-label-illegal-re label)
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(message "Label \"%s\" contains invalid characters" label)
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(ding)
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(sit-for 2))
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;; Look it up in the label list
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((setq entry (assoc label
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(symbol-value reftex-docstruct-symbol)))
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(ding)
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(if (y-or-n-p
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(format "Label '%s' exists. Use anyway? " label))
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(setq valid t)))
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;; Label is ok
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(t
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(setq valid t))))
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(setq label default))
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;; Insert the label into the label list
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(let* ((here-I-am-info
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(save-excursion
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(if (and (or naked no-insert)
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(integerp (cdr macro-cell)))
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(goto-char (cdr macro-cell)))
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(reftex-where-am-I)))
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(here-I-am (car here-I-am-info))
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(note (if (cdr here-I-am-info)
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""
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"POSITION UNCERTAIN. RESCAN TO FIX."))
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(file (buffer-file-name))
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(text nil)
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(tail (memq here-I-am (symbol-value reftex-docstruct-symbol))))
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(or (cdr here-I-am-info) (setq rescan-is-useful t))
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(when tail
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(push (list label typekey text file nil note) (cdr tail))
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(put reftex-docstruct-symbol 'modified t)))
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;; Insert the label into the buffer
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(unless no-insert
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(insert
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(if reftex-format-label-function
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(funcall reftex-format-label-function label format)
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(format format label)))
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(if (and reftex-plug-into-AUCTeX
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(fboundp 'LaTeX-add-labels))
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;; Tell AUCTeX about this
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(LaTeX-add-labels label)))
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;; Delete the corresponding selection buffers to force update on next use.
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(when reftex-auto-update-selection-buffers
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(reftex-erase-buffer (reftex-make-selection-buffer-name typekey))
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(reftex-erase-buffer (reftex-make-selection-buffer-name " ")))
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(when (and rescan-is-useful reftex-allow-automatic-rescan)
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(reftex-parse-one))
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;; return value of the function is the label
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label)))
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(defun reftex-string-to-label (string)
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"Convert a string (a sentence) to a label.
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Uses `reftex-derive-label-parameters' and `reftex-label-illegal-re'. It
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also applies `reftex-translate-to-ascii-function' to the string."
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(when (and reftex-translate-to-ascii-function
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(fboundp reftex-translate-to-ascii-function))
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(setq string (funcall reftex-translate-to-ascii-function string)))
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(apply 'reftex-convert-string string
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"[-~ \t\n\r,;]+" reftex-label-illegal-re nil nil
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reftex-derive-label-parameters))
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(defun reftex-latin1-to-ascii (string)
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;; Translate the upper 128 chars in the Latin-1 charset to ASCII equivalents
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(let ((tab "@@@@@@@@@@@@@@@@@@'@@@@@@@@@@@@@ icLxY|S\"ca<--R-o|23'uq..1o>423?AAAAAAACEEEEIIIIDNOOOOOXOUUUUYP3aaaaaaaceeeeiiiidnooooo:ouuuuypy")
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(emacsp (not (featurep 'xemacs))))
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(mapconcat
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(lambda (c)
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(cond ((and (> c 127) (< c 256)) ; 8 bit Latin-1
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(char-to-string (aref tab (- c 128))))
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((and emacsp ; Not for XEmacs
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(> c 2175) (< c 2304)) ; Mule Latin-1
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(char-to-string (aref tab (- c 2176))))
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(t (char-to-string c))))
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string "")))
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(defun reftex-replace-prefix-escapes (prefix)
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;; Replace %escapes in a label prefix
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(save-match-data
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(let (letter (num 0) replace)
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(while (string-match "\\%\\([a-zA-Z]\\)" prefix num)
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(setq letter (match-string 1 prefix))
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(setq replace
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(save-match-data
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(cond
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((equal letter "f")
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(file-name-sans-extension
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(file-name-nondirectory (buffer-file-name))))
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((equal letter "F")
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(let ((masterdir (file-name-directory (reftex-TeX-master-file)))
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(file (file-name-sans-extension (buffer-file-name))))
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(if (string-match (concat "\\`" (regexp-quote masterdir))
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file)
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(substring file (length masterdir))
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file)))
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((equal letter "m")
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(file-name-sans-extension
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(file-name-nondirectory (reftex-TeX-master-file))))
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((equal letter "M")
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(file-name-nondirectory
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(substring (file-name-directory (reftex-TeX-master-file))
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0 -1)))
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((equal letter "u")
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(or (user-login-name) ""))
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((equal letter "S")
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(let* (macro level-exp level)
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(save-excursion
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(save-match-data
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(when (re-search-backward reftex-section-regexp nil t)
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(setq macro (reftex-match-string 2)
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level-exp (cdr (assoc macro reftex-section-levels-all))
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level (if (symbolp level-exp)
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(abs (save-match-data
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(funcall level-exp)))
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(abs level-exp))))
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(cdr (or (assoc macro reftex-section-prefixes)
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(assoc level reftex-section-prefixes)
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(assq t reftex-section-prefixes)
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(list t "sec:")))))))
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(t ""))))
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(setq num (1- (+ (match-beginning 1) (length replace)))
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prefix (replace-match replace nil nil prefix)))
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prefix)))
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(defun reftex-uniquify-label (label &optional force separator)
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;; Make label unique by appending a number.
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;; Optional FORCE means, force appending a number, even if label is unique.
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;; Optional SEPARATOR is a string to stick between label and number.
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;; Ensure access to scanning info
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(reftex-access-scan-info)
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(cond
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((and (not force)
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(not (assoc label (symbol-value reftex-docstruct-symbol))))
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label)
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(t
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(let* ((label-numbers (assq 'label-numbers
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(symbol-value reftex-docstruct-symbol)))
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(label-numbers-alist (cdr label-numbers))
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(cell (or (assoc label label-numbers-alist)
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(car (setcdr label-numbers
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(cons (cons label 0)
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label-numbers-alist)))))
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(num (1+ (cdr cell)))
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(sep (or separator "")))
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(while (assoc (concat label sep (int-to-string num))
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(symbol-value reftex-docstruct-symbol))
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(incf num))
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(setcdr cell num)
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(concat label sep (int-to-string num))))))
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;;; Referencing labels ------------------------------------------------------
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;; Help string for the reference label menu
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(defconst reftex-select-label-prompt
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"Select: [n]ext [p]revious [r]escan [ ]context e[x]tern [q]uit RET [?]HELP+more")
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(defconst reftex-select-label-help
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" n / p Go to next/previous label (Cursor motion works as well)
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C-c C-n/p Go to next/previous section heading.
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b / l Jump back to previous selection / Reuse last referenced label.
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z Jump to a specific section, e.g. '3 z' jumps to section 3.
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g / s Update menu / Switch label type.
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r / C-u r Reparse document / Reparse entire document.
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x Switch to label menu of external document (with LaTeX package `xr').
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F t c Toggle: [F]ile borders, [t]able of contents, [c]ontext
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# % Toggle: [#] label counters, [%] labels in comments
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SPC / f Show full context in other window / Toggle follow mode.
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. Show insertion point in other window.
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v / V Toggle \\ref <-> \\vref / Rotate \\ref <=> \\fref <=> \\Fref
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TAB Enter a label with completion.
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m , - + Mark entry. `,-+' also assign a separator.
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a / A Put all marked entries into one/many \\ref commands.
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q / RET Quit without referencing / Accept current label (also on mouse-2).")
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(defun reftex-reference (&optional type no-insert cut)
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"Make a LaTeX reference. Look only for labels of a certain TYPE.
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With prefix arg, force to rescan buffer for labels. This should only be
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necessary if you have recently entered labels yourself without using
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reftex-label. Rescanning of the buffer can also be requested from the
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label selection menu.
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The function returns the selected label or nil.
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If NO-INSERT is non-nil, do not insert \\ref command, just return label.
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When called with 2 C-u prefix args, disable magic word recognition."
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(interactive)
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;; check for active recursive edits
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(reftex-check-recursive-edit)
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;; Ensure access to scanning info and rescan buffer if prefix are is '(4)
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(reftex-access-scan-info current-prefix-arg)
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(unless type
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;; guess type from context
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(if (and reftex-guess-label-type
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(setq type (reftex-guess-label-type)))
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(setq cut (cdr type)
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type (car type))
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(setq type (reftex-query-label-type))))
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(let* ((refstyle
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(cond ((reftex-typekey-check type reftex-vref-is-default) "\\vref")
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((reftex-typekey-check type reftex-fref-is-default) "\\fref")
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(t "\\ref")))
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(reftex-format-ref-function reftex-format-ref-function)
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(form "\\ref{%s}")
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label labels sep sep1)
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;; Have the user select a label
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(set-marker reftex-select-return-marker (point))
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(setq labels (save-excursion
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(reftex-offer-label-menu type)))
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(reftex-ensure-compiled-variables)
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(set-marker reftex-select-return-marker nil)
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;; If the first entry is the symbol 'concat, concat all labels.
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;; We keep the cdr of the first label for typekey etc information.
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(if (eq (car labels) 'concat)
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(setq labels (list (list (mapconcat 'car (cdr labels) ",")
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(cdr (nth 1 labels))))))
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(setq type (nth 1 (car labels))
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form (or (cdr (assoc type reftex-typekey-to-format-alist))
|
|
form))
|
|
|
|
(cond
|
|
(no-insert
|
|
;; Just return the first label
|
|
(car (car labels)))
|
|
((null labels)
|
|
(message "Quit")
|
|
nil)
|
|
(t
|
|
(while labels
|
|
(setq label (car (car labels))
|
|
sep (nth 2 (car labels))
|
|
sep1 (cdr (assoc sep reftex-multiref-punctuation))
|
|
labels (cdr labels))
|
|
(when cut
|
|
(backward-delete-char cut)
|
|
(setq cut nil))
|
|
|
|
;; remove ~ if we do already have a space
|
|
(when (and (= ?~ (string-to-char form))
|
|
(member (preceding-char) '(?\ ?\t ?\n ?~)))
|
|
(setq form (substring form 1)))
|
|
;; do we have a special format?
|
|
(setq reftex-format-ref-function
|
|
(cond
|
|
((string= refstyle "\\vref") 'reftex-format-vref)
|
|
((string= refstyle "\\fref") 'reftex-format-fref)
|
|
((string= refstyle "\\Fref") 'reftex-format-Fref)
|
|
(t reftex-format-ref-function)))
|
|
;; ok, insert the reference
|
|
(if sep1 (insert sep1))
|
|
(insert
|
|
(if reftex-format-ref-function
|
|
(funcall reftex-format-ref-function label form)
|
|
(format form label label)))
|
|
;; take out the initial ~ for good
|
|
(and (= ?~ (string-to-char form))
|
|
(setq form (substring form 1))))
|
|
(message "")
|
|
label))))
|
|
|
|
(defun reftex-guess-label-type ()
|
|
;; Examine context to guess what a \ref might want to reference.
|
|
(let ((words reftex-words-to-typekey-alist)
|
|
(case-fold-search t)
|
|
(bound (max (point-min) (- (point) 35)))
|
|
matched cell)
|
|
(save-excursion
|
|
(while (and (setq cell (pop words))
|
|
(not (setq matched
|
|
(re-search-backward (car cell) bound t))))))
|
|
(if matched
|
|
(cons (cdr cell) (- (match-end 0) (match-end 1)))
|
|
nil)))
|
|
|
|
(defvar reftex-select-label-map)
|
|
(defun reftex-offer-label-menu (typekey)
|
|
;; Offer a menu with the appropriate labels.
|
|
(let* ((buf (current-buffer))
|
|
(xr-data (assq 'xr (symbol-value reftex-docstruct-symbol)))
|
|
(xr-alist (cons (cons "" (buffer-file-name)) (nth 1 xr-data)))
|
|
(xr-index 0)
|
|
(here-I-am (car (reftex-where-am-I)))
|
|
(here-I-am1 here-I-am)
|
|
(toc (reftex-typekey-check typekey reftex-label-menu-flags 0))
|
|
(files (reftex-typekey-check typekey reftex-label-menu-flags 7))
|
|
(context (not (reftex-typekey-check
|
|
typekey reftex-label-menu-flags 3)))
|
|
(counter (reftex-typekey-check
|
|
typekey reftex-label-menu-flags 2))
|
|
(follow (reftex-typekey-check
|
|
typekey reftex-label-menu-flags 4))
|
|
(commented (nth 5 reftex-label-menu-flags))
|
|
(prefix "")
|
|
selection-buffers
|
|
offset rtn key data last-data entries)
|
|
|
|
(unwind-protect
|
|
(catch 'exit
|
|
(while t
|
|
(save-window-excursion
|
|
(delete-other-windows)
|
|
(setq reftex-call-back-to-this-buffer buf
|
|
reftex-latex-syntax-table (syntax-table))
|
|
(let ((default-major-mode 'reftex-select-label-mode))
|
|
(if reftex-use-multiple-selection-buffers
|
|
(switch-to-buffer-other-window
|
|
(save-excursion
|
|
(set-buffer buf)
|
|
(reftex-make-selection-buffer-name typekey)))
|
|
(switch-to-buffer-other-window "*RefTeX Select*")
|
|
(reftex-erase-buffer)))
|
|
(unless (eq major-mode 'reftex-select-label-mode)
|
|
(reftex-select-label-mode))
|
|
(add-to-list 'selection-buffers (current-buffer))
|
|
(setq truncate-lines t)
|
|
(setq mode-line-format
|
|
(list "---- " 'mode-line-buffer-identification
|
|
" " 'global-mode-string " (" mode-name ")"
|
|
" S<" 'refstyle ">"
|
|
" -%-"))
|
|
(cond
|
|
((= 0 (buffer-size))
|
|
(let ((buffer-read-only nil))
|
|
(message "Creating Selection Buffer...")
|
|
(setq offset (reftex-insert-docstruct
|
|
buf
|
|
toc
|
|
typekey
|
|
nil ; index
|
|
files
|
|
context
|
|
counter
|
|
commented
|
|
(or here-I-am offset)
|
|
prefix
|
|
nil ; no a toc buffer
|
|
))))
|
|
(here-I-am
|
|
(setq offset (reftex-get-offset buf here-I-am typekey)))
|
|
(t (setq offset t)))
|
|
(setq buffer-read-only t)
|
|
(setq offset (or offset t))
|
|
|
|
(setq here-I-am nil) ; turn off determination of offset
|
|
(setq rtn
|
|
(reftex-select-item
|
|
reftex-select-label-prompt
|
|
reftex-select-label-help
|
|
reftex-select-label-map
|
|
offset
|
|
'reftex-show-label-location follow))
|
|
(setq key (car rtn)
|
|
data (nth 1 rtn)
|
|
last-data (nth 2 rtn)
|
|
offset t)
|
|
(unless key (throw 'exit nil))
|
|
(cond
|
|
((eq key ?g)
|
|
;; update buffer
|
|
(reftex-erase-buffer))
|
|
((or (eq key ?r)
|
|
(eq key ?R))
|
|
;; rescan buffer
|
|
(and current-prefix-arg (setq key ?R))
|
|
(reftex-erase-buffer)
|
|
(reftex-reparse-document buf last-data key))
|
|
((eq key ?c)
|
|
;; toggle context mode
|
|
(reftex-erase-buffer)
|
|
(setq context (not context)))
|
|
((eq key ?s)
|
|
;; switch type
|
|
(setq here-I-am here-I-am1)
|
|
(setq typekey (reftex-query-label-type)))
|
|
((eq key ?t)
|
|
;; toggle table of contents display, or change depth
|
|
(reftex-erase-buffer)
|
|
(if current-prefix-arg
|
|
(setq reftex-toc-max-level (prefix-numeric-value
|
|
current-prefix-arg))
|
|
(setq toc (not toc))))
|
|
((eq key ?F)
|
|
;; toggle display of included file borders
|
|
(reftex-erase-buffer)
|
|
(setq files (not files)))
|
|
((eq key ?#)
|
|
;; toggle counter display
|
|
(reftex-erase-buffer)
|
|
(setq counter (not counter)))
|
|
((eq key ?%)
|
|
;; toggle display of commented labels
|
|
(reftex-erase-buffer)
|
|
(setq commented (not commented)))
|
|
((eq key ?l)
|
|
;; reuse the last referenced label again
|
|
(setq entries reftex-last-used-reference)
|
|
(throw 'exit t))
|
|
((eq key ?x)
|
|
;; select an external document
|
|
(setq xr-index (reftex-select-external-document
|
|
xr-alist xr-index))
|
|
(setq buf (or (reftex-get-file-buffer-force
|
|
(cdr (nth xr-index xr-alist)))
|
|
(error "Cannot switch document"))
|
|
prefix (or (car (nth xr-index xr-alist)) ""))
|
|
(set-buffer buf)
|
|
(reftex-access-scan-info))
|
|
((stringp key)
|
|
(setq entries
|
|
(list
|
|
(list
|
|
(or (assoc key (symbol-value reftex-docstruct-symbol))
|
|
(list key typekey)))))
|
|
(throw 'exit t))
|
|
((memq key '(?a ?A return))
|
|
(cond
|
|
(reftex-select-marked
|
|
(setq entries (nreverse reftex-select-marked)))
|
|
(data
|
|
(setq entries (list (list data))))
|
|
(t (setq entries nil)))
|
|
(when entries
|
|
(if (equal key ?a) (push 'concat entries))
|
|
(setq reftex-last-used-reference entries))
|
|
(set-buffer buf)
|
|
(throw 'exit t))
|
|
(t (error "This should not happen (reftex-offer-label-menu)"))))))
|
|
(save-excursion
|
|
(while reftex-buffers-with-changed-invisibility
|
|
(set-buffer (car (car reftex-buffers-with-changed-invisibility)))
|
|
(setq buffer-invisibility-spec
|
|
(cdr (pop reftex-buffers-with-changed-invisibility)))))
|
|
(mapcar (lambda (buf) (and (buffer-live-p buf) (bury-buffer buf)))
|
|
selection-buffers)
|
|
(reftex-kill-temporary-buffers))
|
|
;; Add the prefixes, put together the relevant information in the form
|
|
;; (LABEL TYPEKEY SEPARATOR) and return a list of those.
|
|
(mapcar (lambda (x)
|
|
(if (listp x)
|
|
(list (concat prefix (car (car x)))
|
|
(nth 1 (car x))
|
|
(nth 2 x))
|
|
x))
|
|
entries)))
|
|
|
|
(defun reftex-reparse-document (&optional buffer data key)
|
|
;; Rescan the document.
|
|
(save-window-excursion
|
|
(save-excursion
|
|
(if buffer
|
|
(if (not (bufferp buffer))
|
|
(error "No such buffer %s" (buffer-name buffer))
|
|
(set-buffer buffer)))
|
|
(let ((arg (if (eq key ?R) '(16) '(4)))
|
|
(file (nth 3 data)))
|
|
(reftex-access-scan-info arg file)))))
|
|
|
|
(defun reftex-query-label-type ()
|
|
;; Ask for label type
|
|
(let ((key (reftex-select-with-char
|
|
reftex-type-query-prompt reftex-type-query-help 3)))
|
|
(unless (member (char-to-string key) reftex-typekey-list)
|
|
(error "No such label type: %s" (char-to-string key)))
|
|
(char-to-string key)))
|
|
|
|
(defun reftex-show-label-location (data forward no-revisit
|
|
&optional stay error)
|
|
;; View the definition site of a label in another window.
|
|
;; DATA is an entry from the docstruct list.
|
|
;; FORWARD indicates if the label is likely forward from current point.
|
|
;; NO-REVISIT means do not load a file to show this label.
|
|
;; STAY means leave the new window selected.
|
|
;; ERROR means throw an error exception when the label cannot be found.
|
|
;; If ERROR is nil, the return value of this function indicates success.
|
|
(let* ((this-window (selected-window))
|
|
(errorf (if error 'error 'message))
|
|
label file buffer re found)
|
|
|
|
(catch 'exit
|
|
(setq label (nth 0 data)
|
|
file (nth 3 data))
|
|
|
|
(unless file
|
|
(funcall errorf "Unknown label - reparse might help")
|
|
(throw 'exit nil))
|
|
|
|
;; Goto the file in another window
|
|
(setq buffer
|
|
(if no-revisit
|
|
(reftex-get-buffer-visiting file)
|
|
(reftex-get-file-buffer-force
|
|
file (not reftex-keep-temporary-buffers))))
|
|
(if buffer
|
|
;; good - the file is available
|
|
(switch-to-buffer-other-window buffer)
|
|
;; we have got a problem here. The file does not exist.
|
|
;; Let' get out of here..
|
|
(funcall errorf "Label %s not found" label)
|
|
(throw 'exit nil))
|
|
|
|
;; search for that label
|
|
(setq re (format reftex-find-label-regexp-format (regexp-quote label)))
|
|
(setq found
|
|
(if forward
|
|
(re-search-forward re nil t)
|
|
(re-search-backward re nil t)))
|
|
(unless found
|
|
(goto-char (point-min))
|
|
(unless (setq found (re-search-forward re nil t))
|
|
;; Ooops. Must be in a macro with distributed args.
|
|
(setq found
|
|
(re-search-forward
|
|
(format reftex-find-label-regexp-format2
|
|
(regexp-quote label)) nil t))))
|
|
(if (match-end 3)
|
|
(progn
|
|
(reftex-highlight 0 (match-beginning 3) (match-end 3))
|
|
(reftex-show-entry (match-beginning 3) (match-end 3))
|
|
(recenter '(4))
|
|
(unless stay (select-window this-window)))
|
|
(select-window this-window)
|
|
(funcall errorf "Label %s not found" label))
|
|
found)))
|
|
|
|
(defvar font-lock-mode)
|
|
(defun reftex-show-entry (beg-hlt end-hlt)
|
|
;; Show entry if point is hidden
|
|
(let* ((n (/ (reftex-window-height) 2))
|
|
(beg (save-excursion
|
|
(re-search-backward "[\n\r]" nil 1 n) (point)))
|
|
(end (save-excursion
|
|
(re-search-forward "[\n\r]" nil 1 n) (point))))
|
|
(cond
|
|
((and (boundp 'buffer-invisibility-spec) buffer-invisibility-spec
|
|
(get-char-property (1+ beg-hlt) 'invisible))
|
|
;; Invisible with text properties. That is easy to change.
|
|
(push (cons (current-buffer) buffer-invisibility-spec)
|
|
reftex-buffers-with-changed-invisibility)
|
|
(setq buffer-invisibility-spec nil))
|
|
((string-match "\r" (buffer-substring beg end))
|
|
;; Invisible with selective display. We need to copy it.
|
|
(let ((string (buffer-substring-no-properties beg end)))
|
|
(switch-to-buffer "*RefTeX Context Copy*")
|
|
(setq buffer-read-only nil)
|
|
(erase-buffer)
|
|
(insert string)
|
|
(subst-char-in-region (point-min) (point-max) ?\r ?\n t)
|
|
(goto-char (- beg-hlt beg))
|
|
(reftex-highlight 0 (1+ (- beg-hlt beg)) (1+ (- end-hlt beg)))
|
|
(if (reftex-refontify)
|
|
(when (or (not (eq major-mode 'latex-mode))
|
|
(not font-lock-mode))
|
|
(latex-mode)
|
|
(run-hook-with-args
|
|
'reftex-pre-refontification-functions
|
|
reftex-call-back-to-this-buffer 'reftex-hidden)
|
|
(turn-on-font-lock))
|
|
(when (or (not (eq major-mode 'fundamental-mode))
|
|
font-lock-mode)
|
|
(fundamental-mode)))
|
|
(run-hooks 'reftex-display-copied-context-hook)
|
|
(setq buffer-read-only t))))))
|
|
|
|
(defun reftex-varioref-vref ()
|
|
"Insert a reference using the `\\vref' macro from the varioref package."
|
|
(interactive)
|
|
(let ((reftex-format-ref-function 'reftex-format-vref))
|
|
(reftex-reference)))
|
|
(defun reftex-fancyref-fref ()
|
|
"Insert a reference using the `\\fref' macro from the fancyref package."
|
|
(interactive)
|
|
(let ((reftex-format-ref-function 'reftex-format-fref)
|
|
;;(reftex-guess-label-type nil) ;FIXME do we want this????
|
|
)
|
|
(reftex-reference)))
|
|
(defun reftex-fancyref-Fref ()
|
|
"Insert a reference using the `\\Fref' macro from the fancyref package."
|
|
(interactive)
|
|
(let ((reftex-format-ref-function 'reftex-format-Fref)
|
|
;;(reftex-guess-label-type nil) ;FIXME do we want this????
|
|
)
|
|
(reftex-reference)))
|
|
|
|
(defun reftex-format-vref (label fmt)
|
|
(while (string-match "\\\\ref{" fmt)
|
|
(setq fmt (replace-match "\\vref{" t t fmt)))
|
|
(format fmt label label))
|
|
(defun reftex-format-Fref (label def-fmt)
|
|
(format "\\Fref{%s}" label))
|
|
(defun reftex-format-fref (label def-fmt)
|
|
(format "\\fref{%s}" label))
|
|
|
|
(defun reftex-goto-label (&optional other-window)
|
|
"Prompt for a label (with completion) and jump to the location of this label.
|
|
Optional prefix argument OTHER-WINDOW goes to the label in another window."
|
|
(interactive "P")
|
|
(reftex-access-scan-info)
|
|
(let* ((wcfg (current-window-configuration))
|
|
(docstruct (symbol-value reftex-docstruct-symbol))
|
|
(label (completing-read "Label: " docstruct
|
|
(lambda (x) (stringp (car x))) t))
|
|
(selection (assoc label docstruct))
|
|
(where (progn
|
|
(reftex-show-label-location selection t nil 'stay)
|
|
(point-marker))))
|
|
(unless other-window
|
|
(set-window-configuration wcfg)
|
|
(switch-to-buffer (marker-buffer where))
|
|
(goto-char where))
|
|
(reftex-unhighlight 0)))
|
|
|
|
|
|
|
|
;;; arch-tag: 52f14032-fb76-4d31-954f-750c72415675
|
|
;;; reftex-ref.el ends here
|