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-;;; theorem.el --- AUCTeX style for `theorem.sty' (v2.2c) -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2015-2021 Free Software Foundation, Inc.
-
-;; Author: Arash Esbati <arash@gnu.org>
-;; Maintainer: auctex-devel@gnu.org
-;; Created: 2015-10-31
-;; Keywords: tex
-
-;; This file is part of AUCTeX.
-
-;; AUCTeX 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, or (at your option)
-;; any later version.
-
-;; AUCTeX 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 AUCTeX; see the file COPYING. If not, write to the Free
-;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-;; 02110-1301, USA.
-
-;;; Commentary:
-
-;; This file adds support for `theorem.sty' (v2.2c) from 2014/10/28.
-;; `theorem.sty' is a standard LaTeX package and part of TeXLive.
-
-;; The style provides the function `LaTeX-theorem-env-label' which
-;; enables new defined environments with "\newtheoreom" to interact
-;; with AUCTeX and RefTeX mechanisms for inserting labels. Check
-;; docstring of `LaTeX-theorem-env-label' for instructions.
-
-;;; Code:
-
-(require 'crm)
-(require 'tex)
-(require 'latex)
-
-;; Silence the compiler:
-(declare-function font-latex-add-keywords
- "font-latex"
- (keywords class))
-
-(defvar LaTeX-theorem-theoremstyle-list
- '(("plain") ("break") ("margin") ("change")
- ("marginbreak") ("changebreak"))
- "List of theorem styles provided by `theorem.sty'.")
-
-(defvar LaTeX-theorem-fontdecl
- '(;; family
- "rmfamily" "sffamily" "ttfamily"
- ;; series
- "mdseries" "bfseries"
- ;; shape
- "upshape" "itshape" "slshape" "scshape"
- ;; size
- "tiny" "scriptsize" "footnotesize"
- "small" "normalsize" "large"
- "Large" "LARGE" "huge" "Huge"
- ;; reset macro
- "normalfont")
- "List of font declaration commands for \"\\theorem(body|header)font\".")
-
-(defun LaTeX-arg-theorem-fontdecl (optional &optional prompt)
- "Prompt for font declaration commands in \"\\theorem(body|header)font\".
-If OPTIONAL is non-nil, insert the resulting value as an optional
-argument. Use PROMPT as the prompt string."
- ;; `INITIAL-INPUT' (5th argument to `TeX-completing-read-multiple')
- ;; is hard-coded to `TeX-esc'.
- (let* ((crm-separator (regexp-quote TeX-esc))
- (fontdecl (mapconcat #'identity
- (TeX-completing-read-multiple
- (TeX-argument-prompt optional prompt "Font")
- LaTeX-theorem-fontdecl nil nil TeX-esc)
- TeX-esc)))
- (TeX-argument-insert fontdecl optional)))
-
-(defun LaTeX-theorem-env-label (environment)
- "Insert ENVIRONMENT, query for an optional argument and prompt
-for label. AUCTeX users should add ENVIRONMENT to
-`LaTeX-label-alist' via customize or in init-file with:
-
- (add-to-list \\='LaTeX-label-alist \\='(\"lemma\" . \"lem:\"))
-
-RefTeX users should customize or add ENVIRONMENT to
-`LaTeX-label-alist' and `reftex-label-alist', for example
-
- (add-to-list \\='LaTeX-label-alist \\='(\"lemma\" . \"lem:\"))
- (add-to-list \\='reftex-label-alist
- \\='(\"lemma\" ?m \"lem:\" \"~\\ref{%s}\"
- nil (\"Lemma\" \"lemma\") nil))"
- (let ((opthead (TeX-read-string
- (TeX-argument-prompt t nil "Heading"))))
- (LaTeX-insert-environment environment
- (when (and opthead
- (not (string= opthead "")))
- (format "[%s]" opthead))))
- (when (LaTeX-label environment 'environment)
- (LaTeX-newline)
- (indent-according-to-mode)))
-
-;; Setup parsing for \newtheorem
-(TeX-auto-add-type "theorem-newtheorem" "LaTeX")
-
-(defun LaTeX-theorem-auto-prepare ()
- "Clear `LaTeX-auto-theorem-newtheorem' before parsing."
- (setq LaTeX-auto-theorem-newtheorem nil))
-
-(defun LaTeX-theorem-auto-cleanup ()
- "Move parsed results from `LaTeX-auto-theorem-newtheorem' and
-make them available as new environments."
- (dolist (newthm (mapcar #'car (LaTeX-theorem-newtheorem-list)))
- (LaTeX-add-environments (list newthm #'LaTeX-theorem-env-label))))
-
-(add-hook 'TeX-auto-prepare-hook #'LaTeX-theorem-auto-prepare t)
-(add-hook 'TeX-auto-cleanup-hook #'LaTeX-theorem-auto-cleanup t)
-(add-hook 'TeX-update-style-hook #'TeX-auto-parse t)
-
-(TeX-add-style-hook
- "theorem"
- (lambda ()
-
- (TeX-auto-add-regexp
- `(,(concat "\\\\newtheorem{\\(" TeX-token-char "+\\)}")
- 1 LaTeX-auto-theorem-newtheorem))
-
- (TeX-add-symbols
- ;; Overrule the defintion in `latex.el':
- '("newtheorem"
- (TeX-arg-eval
- (lambda ()
- (let ((nthm (TeX-read-string
- (TeX-argument-prompt nil nil "Environment"))))
- (LaTeX-add-theorem-newtheorems nthm)
- (LaTeX-add-environments (list nthm #'LaTeX-theorem-env-label))
- (format "%s" nthm))))
- [ TeX-arg-environment "Numbered like" ]
- t [ (TeX-arg-eval progn (if (eq (save-excursion
- (backward-char 2)
- (preceding-char)) ?\])
- ()
- (TeX-arg-counter t "Within counter"))
- "") ])
-
- '("theoremstyle"
- (TeX-arg-eval completing-read
- "Style: "
- LaTeX-theorem-theoremstyle-list))
-
- '("theorembodyfont"
- (LaTeX-arg-theorem-fontdecl "Body font"))
-
- '("theoremheaderfont"
- (LaTeX-arg-theorem-fontdecl "Header font"))
-
- '("theorempreskipamount"
- (TeX-arg-length "Skip before theorem"))
-
- '("theorempostskipamount"
- (TeX-arg-length "Skip after theorem")))
-
- ;; Fontification
- (when (and (featurep 'font-latex)
- (eq TeX-install-font-lock 'font-latex-setup))
- (font-latex-add-keywords '(("theoremstyle" "{")
- ("theorembodyfont" "{")
- ("theoremheaderfont" "{")
- ("theorempreskipamount" "{")
- ("theorempostskipamount" "{"))
- 'function)))
- TeX-dialect)
-
-(defvar LaTeX-theorem-package-options nil
- "Package options for the theorem package.")
-
-;;; theorem.el ends here