mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-14 09:39:42 +00:00
887 lines
36 KiB
EmacsLisp
887 lines
36 KiB
EmacsLisp
;;; reftex-ref.el --- code to create labels and references with RefTeX
|
|
|
|
;; Copyright (C) 1997-2020 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)
|
|
(require 'reftex-parse)
|
|
|
|
;;;###autoload
|
|
(defun reftex-label-location (&optional bound)
|
|
"Return the environment or macro which determines the label type at point.
|
|
If optional BOUND is an integer, limit backward searches to that point."
|
|
|
|
(let* ((loc1 (reftex-what-macro reftex-label-mac-list bound))
|
|
(loc2 (reftex-what-environment reftex-label-env-list bound))
|
|
(loc3 (reftex-what-special-env 1 bound))
|
|
(p1 (or (cdr loc1) 0))
|
|
(p2 (or (cdr loc2) 0))
|
|
(p3 (or (cdr loc3) 0))
|
|
(pmax (max p1 p2 p3)))
|
|
|
|
(setq reftex-location-start pmax)
|
|
(cond
|
|
((= p1 pmax)
|
|
;; A macro. Default context after macro name.
|
|
(setq reftex-default-context-position (+ p1 (length (car loc1))))
|
|
(or (car loc1) "section"))
|
|
((= p2 pmax)
|
|
;; An environment. Default context after \begin{name}.
|
|
(setq reftex-default-context-position (+ p2 8 (length (car loc2))))
|
|
(or (car loc2) "section"))
|
|
((= p3 pmax)
|
|
;; A special. Default context right there.
|
|
(setq reftex-default-context-position p3)
|
|
(setq loc3 (car loc3))
|
|
(cond ((null loc3) "section")
|
|
((symbolp loc3) (symbol-name loc3))
|
|
((stringp loc3) loc3)
|
|
(t "section")))
|
|
(t ;; This should not happen, I think?
|
|
"section"))))
|
|
|
|
;;;###autoload
|
|
(defun reftex-label-info-update (cell)
|
|
;; Update information about just one label in a different file.
|
|
;; CELL contains the old info list
|
|
(let* ((label (nth 0 cell))
|
|
(typekey (nth 1 cell))
|
|
;; (text (nth 2 cell))
|
|
(file (nth 3 cell))
|
|
(comment (nth 4 cell))
|
|
(note (nth 5 cell))
|
|
(buf (reftex-get-file-buffer-force
|
|
file (not (eq t reftex-keep-temporary-buffers)))))
|
|
(if (not buf)
|
|
(list label typekey "" file comment "LOST LABEL. RESCAN TO FIX.")
|
|
(with-current-buffer buf
|
|
(save-restriction
|
|
(widen)
|
|
(goto-char 1)
|
|
|
|
(if (or (re-search-forward
|
|
(format reftex-find-label-regexp-format
|
|
(regexp-quote label)) nil t)
|
|
(re-search-forward
|
|
(format reftex-find-label-regexp-format2
|
|
(regexp-quote label)) nil t))
|
|
|
|
(progn
|
|
(backward-char 1)
|
|
(append (reftex-label-info label file) (list note)))
|
|
(list label typekey "" file "LOST LABEL. RESCAN TO FIX.")))))))
|
|
|
|
;;;###autoload
|
|
(defun reftex-label-info (label &optional file bound derive env-or-mac)
|
|
;; Return info list on LABEL at point.
|
|
(let* ((prefix (if (string-match "^[a-zA-Z0-9]+:" label)
|
|
(match-string 0 label)))
|
|
(typekey (cdr (assoc prefix reftex-prefix-to-typekey-alist)))
|
|
(file (or file (buffer-file-name)))
|
|
(trust reftex-trust-label-prefix)
|
|
(in-comment (reftex-in-comment)))
|
|
(if (and typekey
|
|
(cond ((eq trust t) t)
|
|
((null trust) nil)
|
|
((stringp trust) (string-match trust typekey))
|
|
((listp trust) (member typekey trust))
|
|
(t nil)))
|
|
(list label typekey
|
|
(reftex-nicify-text (reftex-context-substring))
|
|
file in-comment)
|
|
(let* ((env-or-mac (or env-or-mac (reftex-label-location bound)))
|
|
(typekey (nth 1 (assoc env-or-mac reftex-env-or-mac-alist)))
|
|
(parse (nth 2 (assoc env-or-mac reftex-env-or-mac-alist)))
|
|
(text (reftex-short-context env-or-mac parse reftex-location-start
|
|
derive)))
|
|
(list label typekey text file in-comment)))))
|
|
|
|
;;; Creating labels ---------------------------------------------------------
|
|
|
|
;;;###autoload
|
|
(defun reftex-label (&optional environment no-insert)
|
|
"Insert a unique label. Return the label.
|
|
If ENVIRONMENT is given, don't bother to find out yourself.
|
|
If NO-INSERT is non-nil, do not insert label into buffer.
|
|
With prefix arg, force to rescan document first.
|
|
When you are prompted to enter or confirm a label, and you reply with
|
|
just the prefix or an empty string, no label at all will be inserted.
|
|
A new label is also recorded into the label list.
|
|
This function is controlled by the settings of reftex-insert-label-flags."
|
|
|
|
(interactive)
|
|
|
|
;; Ensure access to scanning info and rescan buffer if prefix arg is '(4).
|
|
(reftex-access-scan-info current-prefix-arg)
|
|
|
|
;; Find out what kind of environment this is and abort if necessary.
|
|
(if (or (not environment)
|
|
(not (assoc environment reftex-env-or-mac-alist)))
|
|
(setq environment (reftex-label-location)))
|
|
(unless environment
|
|
(error "Can't figure out what kind of label should be inserted"))
|
|
|
|
;; Ok, go ahead.
|
|
(catch 'exit
|
|
(let* ((entry (assoc environment reftex-env-or-mac-alist))
|
|
(typekey (nth 1 entry))
|
|
(format (nth 3 entry))
|
|
(macro-cell (reftex-what-macro 1))
|
|
(entry1 (assoc (car macro-cell) reftex-env-or-mac-alist))
|
|
label naked prefix valid default force-prompt rescan-is-useful)
|
|
(when (and (or (nth 5 entry) (nth 5 entry1))
|
|
(memq (preceding-char) '(?\[ ?\{)))
|
|
;; This is an argument of a label macro. Insert naked label.
|
|
(setq naked t format "%s"))
|
|
|
|
(setq prefix (or (cdr (assoc typekey reftex-typekey-to-prefix-alist))
|
|
(concat typekey "-")))
|
|
;; Replace any escapes in the prefix
|
|
(setq prefix (reftex-replace-prefix-escapes prefix))
|
|
|
|
;; Make a default label.
|
|
(cond
|
|
|
|
((reftex-typekey-check typekey (nth 0 reftex-insert-label-flags))
|
|
;; Derive a label from context.
|
|
(setq reftex-active-toc (reftex-last-assoc-before-elt
|
|
'toc (car (reftex-where-am-I))
|
|
(symbol-value reftex-docstruct-symbol)))
|
|
(setq default (reftex-no-props
|
|
(nth 2 (reftex-label-info " " nil nil t))))
|
|
;; Catch the cases where the is actually no context available.
|
|
(if (or (string-match "NO MATCH FOR CONTEXT REGEXP" default)
|
|
(string-match "INVALID VALUE OF PARSE" default)
|
|
(string-match "SECTION HEADING NOT FOUND" default)
|
|
(string-match "HOOK ERROR" default)
|
|
(string-match "^[ \t]*$" default))
|
|
(setq default prefix
|
|
force-prompt t) ; need to prompt
|
|
(setq default
|
|
(concat prefix
|
|
(funcall reftex-string-to-label-function default)))
|
|
|
|
;; Make it unique.
|
|
(setq default (reftex-uniquify-label default nil "-"))))
|
|
|
|
((reftex-typekey-check typekey (nth 1 reftex-insert-label-flags))
|
|
;; Minimal default: the user will be prompted.
|
|
(setq default prefix))
|
|
|
|
(t
|
|
;; Make an automatic label.
|
|
(setq default (reftex-uniquify-label prefix t))))
|
|
|
|
;; Should we ask the user?
|
|
(if (or (reftex-typekey-check typekey
|
|
(nth 1 reftex-insert-label-flags)) ; prompt
|
|
force-prompt)
|
|
|
|
(while (not valid)
|
|
;; iterate until we get a valid label
|
|
|
|
(setq label (read-string
|
|
(if naked "Naked Label: " "Label: ")
|
|
default))
|
|
|
|
;; Let's make sure that this is a valid label
|
|
(cond
|
|
|
|
((string-match (concat "\\`\\(" (regexp-quote prefix)
|
|
"\\)?[ \t]*\\'")
|
|
label)
|
|
;; No label at all, please
|
|
(message "No label inserted.")
|
|
(throw 'exit nil))
|
|
|
|
;; Test if label contains strange characters
|
|
((string-match reftex-label-illegal-re label)
|
|
(message "Label \"%s\" contains invalid characters" label)
|
|
(ding)
|
|
(sit-for 2))
|
|
|
|
;; Look it up in the label list
|
|
((setq entry (assoc label
|
|
(symbol-value reftex-docstruct-symbol)))
|
|
(ding)
|
|
(if (y-or-n-p
|
|
(format-message "Label `%s' exists. Use anyway? " label))
|
|
(setq valid t)))
|
|
|
|
;; Label is ok
|
|
(t
|
|
(setq valid t))))
|
|
(setq label default))
|
|
|
|
;; Insert the label into the label list
|
|
(let* ((here-I-am-info
|
|
(save-excursion
|
|
(if (and (or naked no-insert)
|
|
(integerp (cdr macro-cell)))
|
|
(goto-char (cdr macro-cell)))
|
|
(reftex-where-am-I)))
|
|
(here-I-am (car here-I-am-info))
|
|
(note (if (cdr here-I-am-info)
|
|
""
|
|
"POSITION UNCERTAIN. RESCAN TO FIX."))
|
|
(file (buffer-file-name))
|
|
(text nil)
|
|
(tail (memq here-I-am (symbol-value reftex-docstruct-symbol))))
|
|
|
|
(or (cdr here-I-am-info) (setq rescan-is-useful t))
|
|
|
|
(when tail
|
|
(push (list label typekey text file nil note) (cdr tail))
|
|
(put reftex-docstruct-symbol 'modified t)))
|
|
|
|
;; Insert the label into the buffer
|
|
(unless no-insert
|
|
(insert
|
|
(if reftex-format-label-function
|
|
(funcall reftex-format-label-function label format)
|
|
(format format label)))
|
|
(if (and reftex-plug-into-AUCTeX
|
|
(fboundp 'LaTeX-add-labels))
|
|
;; Tell AUCTeX about this
|
|
(LaTeX-add-labels label)))
|
|
|
|
;; Delete the corresponding selection buffers to force update on next use.
|
|
(when reftex-auto-update-selection-buffers
|
|
(reftex-erase-buffer (reftex-make-selection-buffer-name typekey))
|
|
(reftex-erase-buffer (reftex-make-selection-buffer-name " ")))
|
|
|
|
(when (and rescan-is-useful reftex-allow-automatic-rescan)
|
|
(reftex-parse-one))
|
|
|
|
;; return value of the function is the label
|
|
label)))
|
|
|
|
(defun reftex-string-to-label (string)
|
|
"Convert a string (a sentence) to a label.
|
|
Uses `reftex-derive-label-parameters' and `reftex-label-illegal-re'. It
|
|
also applies `reftex-translate-to-ascii-function' to the string."
|
|
(when (and reftex-translate-to-ascii-function
|
|
(fboundp reftex-translate-to-ascii-function))
|
|
(setq string (funcall reftex-translate-to-ascii-function string)))
|
|
(apply 'reftex-convert-string string
|
|
"[-~ \t\n\r,;]+" reftex-label-illegal-re nil nil
|
|
reftex-derive-label-parameters))
|
|
|
|
(defun reftex-latin1-to-ascii (string)
|
|
;; Translate the upper 128 chars in the Latin-1 charset to ASCII equivalents
|
|
(let ((tab "@@@@@@@@@@@@@@@@@@'@@@@@@@@@@@@@ icLxY|S\"ca<--R-o|23'uq..1o>423?AAAAAAACEEEEIIIIDNOOOOOXOUUUUYP3aaaaaaaceeeeiiiidnooooo:ouuuuypy")
|
|
(emacsp (not (featurep 'xemacs))))
|
|
(mapconcat
|
|
(lambda (c)
|
|
(cond ((and (> c 127) (< c 256)) ; 8 bit Latin-1
|
|
(char-to-string (aref tab (- c 128))))
|
|
((and emacsp ; Not for XEmacs
|
|
(> c 2175) (< c 2304)) ; Mule Latin-1
|
|
(char-to-string (aref tab (- c 2176))))
|
|
(t (char-to-string c))))
|
|
string "")))
|
|
|
|
(defun reftex-replace-prefix-escapes (prefix)
|
|
;; Replace %escapes in a label prefix
|
|
(save-match-data
|
|
(let (letter (num 0) replace)
|
|
(while (string-match "%\\([a-zA-Z]\\)" prefix num)
|
|
(setq letter (match-string 1 prefix))
|
|
(setq replace
|
|
(save-match-data
|
|
(cond
|
|
((equal letter "f")
|
|
(file-name-base (buffer-file-name)))
|
|
((equal letter "F")
|
|
(let ((masterdir (file-name-directory (reftex-TeX-master-file)))
|
|
(file (file-name-sans-extension (buffer-file-name))))
|
|
(if (string-match (concat "\\`" (regexp-quote masterdir))
|
|
file)
|
|
(substring file (length masterdir))
|
|
file)))
|
|
((equal letter "m")
|
|
(file-name-base (reftex-TeX-master-file)))
|
|
((equal letter "M")
|
|
(file-name-nondirectory
|
|
(substring (file-name-directory (reftex-TeX-master-file))
|
|
0 -1)))
|
|
((equal letter "u")
|
|
(or (user-login-name) ""))
|
|
((equal letter "S")
|
|
(let* (macro level-exp level)
|
|
(save-excursion
|
|
(save-match-data
|
|
(when (re-search-backward reftex-section-regexp nil t)
|
|
(setq macro (reftex-match-string 2)
|
|
level-exp (cdr (assoc macro reftex-section-levels-all))
|
|
level (if (symbolp level-exp)
|
|
(abs (save-match-data
|
|
(funcall level-exp)))
|
|
(abs level-exp))))
|
|
(cdr (or (assoc macro reftex-section-prefixes)
|
|
(assoc level reftex-section-prefixes)
|
|
(assq t reftex-section-prefixes)
|
|
(list t "sec:")))))))
|
|
(t ""))))
|
|
(setq num (1- (+ (match-beginning 1) (length replace)))
|
|
prefix (replace-match replace nil nil prefix)))
|
|
prefix)))
|
|
|
|
(defun reftex-uniquify-label (label &optional force separator)
|
|
;; Make label unique by appending a number.
|
|
;; Optional FORCE means, force appending a number, even if label is unique.
|
|
;; Optional SEPARATOR is a string to stick between label and number.
|
|
|
|
;; Ensure access to scanning info
|
|
(reftex-access-scan-info)
|
|
|
|
(cond
|
|
((and (not force)
|
|
(not (assoc label (symbol-value reftex-docstruct-symbol))))
|
|
label)
|
|
(t
|
|
(let* ((label-numbers (assq 'label-numbers
|
|
(symbol-value reftex-docstruct-symbol)))
|
|
(label-numbers-alist (cdr label-numbers))
|
|
(cell (or (assoc label label-numbers-alist)
|
|
(car (setcdr label-numbers
|
|
(cons (cons label 0)
|
|
label-numbers-alist)))))
|
|
(num (1+ (cdr cell)))
|
|
(sep (or separator "")))
|
|
(while (assoc (concat label sep (int-to-string num))
|
|
(symbol-value reftex-docstruct-symbol))
|
|
(cl-incf num))
|
|
(setcdr cell num)
|
|
(concat label sep (int-to-string num))))))
|
|
|
|
;;; Referencing labels ------------------------------------------------------
|
|
|
|
;; Help string for the reference label menu
|
|
(defconst reftex-select-label-prompt
|
|
"Select: [n]ext [p]revious [r]escan [ ]context e[x]tern [q]uit RET [?]HELP+more")
|
|
|
|
(defconst reftex-select-label-help
|
|
" n / p Go to next/previous label (Cursor motion works as well)
|
|
C-c C-n/p Go to next/previous section heading.
|
|
b / l Jump back to previous selection / Reuse last referenced label.
|
|
z Jump to a specific section, e.g. '3 z' jumps to section 3.
|
|
g / s Update menu / Switch label type.
|
|
r / C-u r Reparse document / Reparse entire document.
|
|
x Switch to label menu of external document (with LaTeX package `xr').
|
|
F t c Toggle: [F]ile borders, [t]able of contents, [c]ontext
|
|
# % Toggle: [#] label counters, [%] labels in comments
|
|
SPC / f Show full context in other window / Toggle follow mode.
|
|
. Show insertion point in other window.
|
|
v / V Toggle \\ref <-> \\vref / Rotate \\ref <=> \\fref <=> \\Fref
|
|
TAB Enter a label with completion.
|
|
m , - + Mark entry. `,-+' also assign a separator.
|
|
a / A Put all marked entries into one/many \\ref commands.
|
|
q / RET Quit without referencing / Accept current label (also on mouse-2).")
|
|
|
|
;;;###autoload
|
|
(defun reftex-reference (&optional type no-insert cut)
|
|
"Make a LaTeX reference. Look only for labels of a certain TYPE.
|
|
With prefix arg, force to rescan buffer for labels. This should only be
|
|
necessary if you have recently entered labels yourself without using
|
|
reftex-label. Rescanning of the buffer can also be requested from the
|
|
label selection menu.
|
|
The function returns the selected label or nil.
|
|
If NO-INSERT is non-nil, do not insert \\ref command, just return label.
|
|
When called with 2 C-u prefix args, disable magic word recognition."
|
|
|
|
(interactive)
|
|
|
|
;; Check for active recursive edits
|
|
(reftex-check-recursive-edit)
|
|
|
|
;; Ensure access to scanning info and rescan buffer if prefix is '(4)
|
|
(reftex-access-scan-info current-prefix-arg)
|
|
|
|
(let ((reftex-refstyle (when (and (boundp 'reftex-refstyle) reftex-refstyle)
|
|
reftex-refstyle))
|
|
(reftex-format-ref-function reftex-format-ref-function)
|
|
(form "\\ref{%s}")
|
|
label labels sep sep1 style-alist)
|
|
|
|
(unless reftex-refstyle
|
|
(if reftex-ref-macro-prompt
|
|
(progn
|
|
;; Build a temporary list which handles more easily.
|
|
(dolist (elt reftex-ref-style-alist)
|
|
(when (member (car elt) (reftex-ref-style-list))
|
|
(mapc (lambda (x)
|
|
(add-to-list 'style-alist (cons (cadr x) (car x)) t))
|
|
(nth 2 elt))))
|
|
;; Prompt the user for the macro.
|
|
(let ((key (reftex-select-with-char
|
|
"" (concat "SELECT A REFERENCE FORMAT\n\n"
|
|
(mapconcat
|
|
(lambda (x)
|
|
(format "[%c] %s %s" (car x)
|
|
(if (> (car x) 31) " " "")
|
|
(cdr x)))
|
|
style-alist "\n")))))
|
|
(setq reftex-refstyle (cdr (assoc key style-alist)))
|
|
(unless reftex-refstyle
|
|
(error "No reference macro associated with key `%c'" key))))
|
|
;; Get the first macro from `reftex-ref-style-alist' which
|
|
;; matches the first entry in the list of active styles.
|
|
(setq reftex-refstyle
|
|
(or (caar (nth 2 (assoc (car (reftex-ref-style-list))
|
|
reftex-ref-style-alist)))
|
|
;; Use the first entry in r-r-s-a as a last resort.
|
|
(caar (nth 2 (car reftex-ref-style-alist)))))))
|
|
|
|
(unless type
|
|
;; Guess type from context
|
|
(if (and reftex-guess-label-type
|
|
(setq type (reftex-guess-label-type)))
|
|
(setq cut (cdr type)
|
|
type (car type))
|
|
(setq type (reftex-query-label-type))))
|
|
|
|
;; Have the user select a label
|
|
(set-marker reftex-select-return-marker (point))
|
|
(setq labels (save-excursion
|
|
(reftex-offer-label-menu type)))
|
|
(reftex-ensure-compiled-variables)
|
|
(set-marker reftex-select-return-marker nil)
|
|
;; If the first entry is the symbol 'concat, concat all labels.
|
|
;; We keep the cdr of the first label for typekey etc information.
|
|
(if (eq (car labels) 'concat)
|
|
(setq labels (list (list (mapconcat 'car (cdr labels) ",")
|
|
(cdr (nth 1 labels))))))
|
|
(setq type (nth 1 (car labels))
|
|
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?
|
|
(unless (string= reftex-refstyle "\\ref")
|
|
(setq reftex-format-ref-function 'reftex-format-special))
|
|
;; ok, insert the reference
|
|
(if sep1 (insert sep1))
|
|
(insert
|
|
(if reftex-format-ref-function
|
|
(funcall reftex-format-ref-function label form reftex-refstyle)
|
|
(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))
|
|
(if reftex-use-multiple-selection-buffers
|
|
(switch-to-buffer-other-window
|
|
(with-current-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))
|
|
(cl-pushnew (current-buffer) selection-buffers)
|
|
(setq truncate-lines t)
|
|
(setq mode-line-format
|
|
(list "---- " 'mode-line-buffer-identification
|
|
" " 'global-mode-string " (" mode-name ")"
|
|
" S<" 'reftex-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)))))
|
|
(mapc (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)))))
|
|
|
|
;;;###autoload
|
|
(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)))
|
|
|
|
;;;###autoload
|
|
(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))))))
|
|
|
|
;; Generate functions for direct insertion of specific referencing
|
|
;; macros. The functions are named `reftex-<package>-<macro>',
|
|
;; e.g. `reftex-varioref-vref'.
|
|
(dolist (elt reftex-ref-style-alist)
|
|
(when (stringp (nth 1 elt))
|
|
(dolist (item (nth 2 elt))
|
|
(let ((macro (car item))
|
|
(package (nth 1 elt)))
|
|
(eval `(defun ,(intern (format "reftex-%s-%s" package
|
|
(substring macro 1 (length macro)))) ()
|
|
,(format "Insert a reference using the `%s' macro from the %s \
|
|
package.\n\nThis is a generated function."
|
|
macro package)
|
|
(interactive)
|
|
(let ((reftex-refstyle ,macro))
|
|
(reftex-reference))))))))
|
|
|
|
(defun reftex-format-special (label fmt refstyle)
|
|
"Apply selected reference style to format FMT and add LABEL.
|
|
Replace any occurrences of \"\\ref\" with REFSTYLE."
|
|
;; Replace instances of \ref in `fmt' with the special reference
|
|
;; style selected by the user.
|
|
(cond
|
|
((while (let ((case-fold-search nil))
|
|
(string-match "\\(\\\\ref\\)[ \t]*{" fmt))
|
|
(setq fmt (replace-match refstyle t t fmt 1))))
|
|
((string-match "\\(\\\\[[:alpha:]]+\\)[ \t]*{" fmt)
|
|
(setq fmt (replace-match refstyle t t fmt 1))))
|
|
(format fmt label))
|
|
|
|
;;;###autoload
|
|
(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))
|
|
;; If point is inside a \ref{} or \pageref{}, use that as
|
|
;; default value.
|
|
(default (when (looking-back "\\\\\\(?:page\\)?ref{[-a-zA-Z0-9_*.:]*"
|
|
(line-beginning-position))
|
|
(reftex-this-word "-a-zA-Z0-9_*.:")))
|
|
(label (completing-read (if default
|
|
(format "Label (default %s): " default)
|
|
"Label: ")
|
|
docstruct
|
|
(lambda (x) (stringp (car x))) t nil nil
|
|
default))
|
|
(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)))
|
|
|
|
(provide 'reftex-ref)
|
|
|
|
;;; reftex-ref.el ends here
|
|
|
|
;; Local Variables:
|
|
;; generated-autoload-file: "reftex-loaddefs.el"
|
|
;; End:
|