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smartparens-latex.el
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;;; smartparens-latex.el --- Additional configuration for (La)TeX based modes.
;; Copyright (C) 2013-2016 Matus Goljer
;; Author: Matus Goljer <[email protected]>
;; Maintainer: Matus Goljer <[email protected]>
;; Created: 14 Feb 2013
;; Keywords: abbrev convenience editing
;; URL: https://github.com/Fuco1/smartparens
;; This file is not part of GNU Emacs.
;;; License:
;; This file is part of Smartparens.
;; Smartparens 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.
;; Smartparens 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 Smartparens. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file provides some additional configuration for (La)TeX based
;; modes. To use it, simply add:
;;
;; (require 'smartparens-latex)
;;
;; into your configuration. You can use this in conjunction with the
;; default config or your own configuration.
;; It is advised that you add `latex-mode' to the list
;; `sp-navigate-consider-stringlike-sexp'. This will tell
;; smartparens to treat the $$ math blocks as sexps, and enable you
;; to use all the sexp-based commands on them (such as
;; `sp-down-sexp', `sp-up-sexp' etc.)
;; If you have good ideas about what should be added please file an
;; issue on the github tracker.
;; For more info, see github readme at
;; https://github.com/Fuco1/smartparens
;;; Code:
(require 'smartparens)
(defun sp-latex-insert-spaces-inside-pair (id action context)
(when (eq action 'insert)
(insert " ")
(backward-char 1))
(when (and (eq action 'wrap)
(save-excursion
(goto-char (sp-get sp-last-wrapped-region :beg-in))
(not (sp--looking-back-p "[[{(]"))))
(save-excursion
(goto-char (sp-get sp-last-wrapped-region :end-in))
(insert " ")
(goto-char (sp-get sp-last-wrapped-region :beg-in))
(insert " "))))
(defun sp-latex-skip-match-apostrophe (ms mb me)
(when (equal ms "'")
(save-excursion
(goto-char me)
(looking-at-p "\\sw"))))
(defun sp-latex-skip-double-quote (_1 action _2)
(when (eq action 'insert)
(when (looking-at-p "''''")
(delete-char -2)
(delete-char 2)
(forward-char 2))))
(defun sp-latex-point-after-backslash (id action context)
"Return t if point follows a backslash, nil otherwise.
This predicate is only tested on \"insert\" action."
(when (eq action 'insert)
(let ((trigger (sp-get-pair id :trigger)))
(looking-back (concat "\\\\" (regexp-quote (if trigger trigger id)))))))
(add-to-list 'sp-navigate-skip-match
'((tex-mode plain-tex-mode latex-mode) . sp--backslash-skip-match))
(sp-with-modes '(
tex-mode
plain-tex-mode
latex-mode
)
(sp-local-pair "`" "'"
:actions '(:rem autoskip)
:skip-match 'sp-latex-skip-match-apostrophe
:unless '(sp-latex-point-after-backslash))
;; math modes, yay. The :actions are provided automatically if
;; these pairs do not have global definitions.
(sp-local-pair "$" "$")
(sp-local-pair "\\[" "\\]" :unless '(sp-latex-point-after-backslash))
;; disable useless pairs. Maybe also remove " ' and \"?
(sp-local-pair "/*" nil :actions nil)
(sp-local-pair "\\\\(" nil :actions nil)
(sp-local-pair "'" nil :actions nil)
(sp-local-pair "\\\"" nil :actions nil)
;; quote should insert ``'' instead of double quotes. If we ever
;; need to insert ", C-q is our friend.
(sp-local-pair "``" "''"
:trigger "\""
:unless '(sp-latex-point-after-backslash)
:post-handlers '(sp-latex-skip-double-quote))
;; add the prefix function sticking to {} pair
(sp-local-pair "{" nil :prefix "\\\\\\(\\sw\\|\\s_\\)*")
;; pairs for big brackets. Needs more research on what pairs are
;; useful to add here. Post suggestions if you know some.
(sp-local-pair "\\left(" "\\right)"
:trigger "\\l("
:when '(sp-in-math-p)
:post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\left[" "\\right]"
:trigger "\\l["
:when '(sp-in-math-p)
:post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\left\\{" "\\right\\}"
:trigger "\\l{"
:when '(sp-in-math-p)
:post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\bigl(" "\\bigr)" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\biggl(" "\\biggr)" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\Bigl(" "\\Bigr)" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\Biggl(" "\\Biggr)" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\bigl[" "\\bigr]" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\biggl[" "\\biggr]" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\Bigl[" "\\Bigr]" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\Biggl[" "\\Biggr]" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\bigl\\{" "\\bigr\\}" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\biggl\\{" "\\biggr\\}" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\Bigl\\{" "\\Bigr\\}" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\Biggl\\{" "\\Biggr\\}" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\lfloor" "\\rfloor" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\lceil" "\\rceil" :post-handlers '(sp-latex-insert-spaces-inside-pair))
(sp-local-pair "\\langle" "\\rangle" :post-handlers '(sp-latex-insert-spaces-inside-pair))
;; some common wrappings
(sp-local-tag "\"" "``" "''" :actions '(wrap))
(sp-local-tag "\\b" "\\begin{_}" "\\end{_}")
(sp-local-tag "bi" "\\begin{itemize}" "\\end{itemize}")
(sp-local-tag "be" "\\begin{enumerate}" "\\end{enumerate}"))
(provide 'smartparens-latex)
;;; smartparens-latex.el ends here