114 lines
3.8 KiB
EmacsLisp
114 lines
3.8 KiB
EmacsLisp
;;; changebar.el --- AUCTeX style for `changebar.sty' (v3.7b) -*- lexical-binding: t; -*-
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;; Copyright (C) 2024 Free Software Foundation, Inc.
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;; Author: Arash Esbati <arash@gnu.org>
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;; Maintainer: auctex-devel@gnu.org
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;; Created: 2023-12-30
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;; Keywords: tex
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;; This file is part of AUCTeX.
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;; AUCTeX is free software; you can redistribute it and/or modify it
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;; under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; AUCTeX is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; 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 AUCTeX; see the file COPYING. If not, write to the Free
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;; Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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;; 02110-1301, USA.
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;;; Commentary:
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;; This file adds support for `changebar.sty' (v3.7b) from 2023/12/30.
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;; `changebar.sty' is part of TeXLive.
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;;; Code:
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(require 'tex)
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(require 'latex)
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;; Silence the compiler:
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(declare-function font-latex-add-keywords "font-latex" (keywords class))
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(TeX-add-style-hook
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"changebar"
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(lambda ()
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;; 2.2 Macros defined by the package
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(TeX-add-symbols
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'("cbstart"
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[TeX-arg-length "Width"]
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(lambda (_)
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(indent-according-to-mode)
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(LaTeX-newline)
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(indent-according-to-mode)
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(save-excursion
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(LaTeX-newline)
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(insert "\\cbend")
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(indent-according-to-mode))))
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'("cbend" 0)
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'("cbdelete" [TeX-arg-length "Width"])
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"nochangebars")
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;; Options management:
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(when (LaTeX-provided-package-options-member "changebar" "color")
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(TeX-run-style-hooks "color")
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(TeX-add-symbols '("cbcolor" TeX-arg-color)))
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(when (LaTeX-provided-package-options-member "changebar" "xcolor")
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(TeX-run-style-hooks "xcolor")
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(TeX-add-symbols '("cbcolor" TeX-arg-xcolor)))
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(when (or (LaTeX-provided-package-options-member "changebar" "xetex")
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(LaTeX-provided-package-options-member "changebar" "XeTeX"))
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(TeX-check-engine-add-engines 'xetex))
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(when (or (LaTeX-provided-package-options-member "changebar" "luatex")
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(LaTeX-provided-package-options-member "changebar" "luaTeX"))
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(TeX-check-engine-add-engines 'luatex))
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(LaTeX-add-environments
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'("changebar" LaTeX-env-args [TeX-arg-length "Width"]))
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;; Let the commands have their own lines:
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(LaTeX-paragraph-commands-add-locally '("cbstart" "cbend"))
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;; Cater for indentation:
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(add-to-list 'LaTeX-indent-begin-list "cbstart" t)
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(add-to-list 'LaTeX-indent-end-list "cbend" t)
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(LaTeX-indent-commands-regexp-make)
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;; 2.3 Changebar parameters
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(LaTeX-add-lengths "changebarwidth" "deletebarwidth" "changebarsep")
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(LaTeX-add-counters "changebargrey")
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;; Fontification
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(when (and (featurep 'font-latex)
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(eq TeX-install-font-lock 'font-latex-setup))
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(font-latex-add-keywords '(("cbstart" "[")
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("cbdelete" "["))
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'function)
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(font-latex-add-keywords '("cbend" "nochangebars")
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'function-noarg)
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(when (or (member "xcolor" (TeX-style-list))
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(member "color" TeX-active-styles))
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(font-latex-add-keywords '(("cbcolor" "[{"))
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'type-declaration))))
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TeX-dialect)
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(defvar LaTeX-changebar-package-options
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'("dvitoln03" "dvitops" "dvips" "emtex" "textures"
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"vtex" "pdftex" "xetex" "luatex"
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"outerbars" "innerbars" "leftbars" "rightbars"
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"traceon" "traceoff" "tracestacks"
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"grey" "color" "xcolor")
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"Package options for the changebar package.
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This variable contains only the lowercase version of the options.")
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