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emacs/code/elpa/auctex-13.2.1/style/letter.el

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EmacsLisp

;;; letter.el - Special code for letter style. -*- lexical-binding: t; -*-
;; Copyright (C) 1993-2023 Free Software Foundation, Inc.
;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
;; Maintainer: auctex-devel@gnu.org
;; 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.
;;; Code:
(require 'tex)
(require 'latex)
;; Silence the compiler:
(declare-function font-latex-add-keywords
"font-latex"
(keywords class))
(defvar LaTeX-letter-class-options
'("a4paper" "a5paper" "b5paper" "letterpaper" "legalpaper" "executivepaper"
"landscape" "10pt" "11pt" "12pt" "oneside" "twoside" "draft" "final"
"leqno" "fleqn")
"Package options for the letter class.")
;; You may want to define this in tex-site.el to contain your
;; organizations address.
(defvar LaTeX-letter-sender-address ""
"Initial value when prompting for a sender address in the letter style.")
(TeX-add-style-hook
"letter"
(lambda ()
(LaTeX-add-environments
'("letter" LaTeX-env-recipient))
(LaTeX-add-pagestyles "headings" "firstpage")
(setq LaTeX-default-document-environment "letter")
(TeX-add-symbols
'("name" "Sender")
'("address" "Sender address")
'("signature" "Signature")
'("opening" "Opening")
'("closing" "Closing")
"location"
"telephone"
"makelabels"
"stopbreaks"
"startbreaks"
"cc"
"encl"
"ps"
"stopletter"
"returnaddress"
"startlabels"
"mlabel"
"descriptionlabel"
"ccname"
"enclname"
"pagename"
"headtoname")
;; Fontification
(when (and (featurep 'font-latex)
(eq TeX-install-font-lock 'font-latex-setup))
(font-latex-add-keywords '(("name" "{")
("address" "{")
("signature" "{")
("opening" "{")
("closing" "{")
("location" "{")
("telephone" "{")
("cc" "{")
("encl" "{")
("ps" "{"))
'function)))
TeX-dialect)
(defun LaTeX-env-recipient (environment)
"Insert ENVIRONMENT and prompt for recipient and address."
(let ((sender (TeX-read-string "Sender: " (user-full-name)))
(sender-address (TeX-read-string "Sender address: "
LaTeX-letter-sender-address))
(recipient (TeX-read-string "Recipient: "))
(address (TeX-read-string "Recipient address: "))
(signature (TeX-read-string "Signature: "))
(opening (TeX-read-string "Opening: "))
(closing (TeX-read-string "Closing: "))
(date (TeX-read-string "Date: " (LaTeX-today))))
(insert TeX-esc "name" TeX-grop sender TeX-grcl)
(newline-and-indent)
(if (not (zerop (length sender-address)))
(progn
(setq LaTeX-letter-sender-address sender-address)
(insert TeX-esc "address" TeX-grop sender-address TeX-grcl)
(newline-and-indent)))
(if (not (zerop (length signature)))
(progn
(insert TeX-esc "signature" TeX-grop signature TeX-grcl)
(newline-and-indent)))
(if (not (zerop (length date)))
(progn
(insert TeX-esc "renewcommand" TeX-grop TeX-esc "today" TeX-grcl
TeX-grop date TeX-grcl)
(newline-and-indent)))
(newline-and-indent)
(let ((indentation (current-column)))
(LaTeX-insert-environment
environment
(concat TeX-grop recipient
(if (not (zerop (length address)))
(concat
(if (not (zerop (length recipient)))
(concat " " TeX-esc TeX-esc " "))
address))
TeX-grcl))
(save-excursion ; Fix indentation of address
(if (search-backward TeX-grcl nil 'move)
(let ((addr-end (point-marker)))
(if (search-backward TeX-grop nil 'move)
(let ((addr-column (current-column)))
(while (search-forward
(concat TeX-esc TeX-esc)
(marker-position addr-end) 'move)
(progn
(newline)
(indent-to addr-column)))))
(set-marker addr-end nil))))
(insert "\n")
(indent-to indentation))
(insert TeX-esc "opening"
TeX-grop
(if (zerop (length opening))
(concat TeX-esc " ")
opening)
TeX-grcl "\n")
(indent-relative-first-indent-point)
(save-excursion
(insert "\n" TeX-esc "closing"
TeX-grop
(if (zerop (length closing))
(concat TeX-esc " ")
closing)
TeX-grcl "\n")
(indent-relative-first-indent-point))))
(defun LaTeX-today nil
"Return a string representing todays date according to flavor."
(interactive)
(let ((ctime-string (current-time-string))
(month-alist '(("Jan". "01")
("Feb" . "02")
("Mar" . "03")
("Apr" . "04")
("May" . "05")
("Jun" . "06")
("Jul" . "07")
("Aug" . "08")
("Sep" . "09")
("Oct" . "10")
("Nov" . "11")
("Dec" . "12"))))
(string-match
"^\\S-+\\s-+\\(\\S-+\\)\\s-+\\(\\S-+\\)\\s-+\\S-+\\s-+\\(\\S-+\\)"
ctime-string)
(let ((year (substring ctime-string (match-beginning 3) (match-end 3)))
(month (substring ctime-string (match-beginning 1) (match-end 1)))
(day (substring ctime-string (match-beginning 2) (match-end 2))))
(if (assoc month month-alist)
(progn
(setq month (cdr (assoc month month-alist)))
(if (> 2 (length day))
(setq day (concat "0" day)))))
(format "%s-%s-%s" year month day))))
;;; letter.el ends here