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;;; url.el --- AUCTeX style for `url.sty' -*- lexical-binding: t; -*-
;; Copyright (C) 2004-2021 Free Software Foundation, Inc.
;; Author: Ralf Angeli <angeli@iwi.uni-sb.de>
;; Maintainer: auctex-devel@gnu.org
;; Created: 2004-10-13
;; 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 `url.sty' v3.4 dated 2013-09-16.
;;; Code:
(require 'tex)
(require 'latex)
;; Silence the compiler:
(declare-function font-latex-add-keywords
"font-latex"
(keywords class))
(declare-function font-latex-set-syntactic-keywords
"font-latex")
;; Setup for \DeclareUrlCommand:
(TeX-auto-add-type "url-DeclareUrlCommand" "LaTeX")
(defvar LaTeX-url-DeclareUrlCommand-regexp
`(,(concat
"\\\\DeclareUrlCommand"
"[ \n\r\t]*"
"{?"
"\\\\\\([a-zA-Z]+\\)"
"}?")
1 LaTeX-auto-url-DeclareUrlCommand)
"Matches the argument of `\\DeclareUrlCommand' from `url' package.")
(defun LaTeX-url-DeclareUrlCommand-prepare ()
"Process macros parsed from `\\DeclareUrlCommand'."
;; \DeclareUrlCommand\abc{settings}: makes \abc{ } like \url{ } with
;; settings.
(when (LaTeX-url-DeclareUrlCommand-list)
(dolist (cmd (mapcar #'car (LaTeX-url-DeclareUrlCommand-list)))
(TeX-add-symbols `(,cmd TeX-arg-verb-delim-or-brace))
(add-to-list 'LaTeX-verbatim-macros-with-delims-local cmd)
(add-to-list 'LaTeX-verbatim-macros-with-braces-local cmd))
;; Fontification
(when (and (fboundp 'font-latex-add-keywords)
(fboundp 'font-latex-set-syntactic-keywords)
(eq TeX-install-font-lock 'font-latex-setup))
(font-latex-add-keywords
(mapcar (lambda (cmd)
(list cmd ""))
(mapcar #'car (LaTeX-url-DeclareUrlCommand-list)))
'reference)
;; Tell font-lock about the update.
(font-latex-set-syntactic-keywords))))
;; Setup for \urldef:
(TeX-auto-add-type "url-urldef" "LaTeX")
(defvar LaTeX-url-urldef-regexp
`(,(concat
"\\\\urldef"
"[ \n\r\t]*"
"{?"
"\\\\\\([a-zA-Z]+\\)"
"}?")
1 LaTeX-auto-url-urldef)
"Matches the argument of `\\urldef' from `url' package.")
(defun LaTeX-url-urldef-prepare ()
"Process macros parsed from `\\urldef'."
(when (LaTeX-url-urldef-list)
(mapc #'TeX-add-symbols (mapcar #'car (LaTeX-url-urldef-list)))
;; Fontification
(when (and (fboundp 'font-latex-add-keywords)
(eq TeX-install-font-lock 'font-latex-setup))
(font-latex-add-keywords
(mapcar (lambda (cmd)
(list cmd ""))
(mapcar #'car (LaTeX-url-urldef-list)))
'reference))))
(defun LaTeX-url-auto-prepare ()
"Clear `LaTeX-auto-url-*' before parsing."
(setq LaTeX-auto-url-DeclareUrlCommand nil
LaTeX-auto-url-urldef nil))
(defun LaTeX-url-auto-cleanup ()
"Process parsed elements from url.sty."
(LaTeX-url-DeclareUrlCommand-prepare)
(LaTeX-url-urldef-prepare))
(add-hook 'TeX-auto-prepare-hook #'LaTeX-url-auto-prepare t)
(add-hook 'TeX-auto-cleanup-hook #'LaTeX-url-auto-cleanup t)
(add-hook 'TeX-update-style-hook #'TeX-auto-parse t)
(defun TeX-arg-url-urlstyle (optional &optional prompt)
"Prompt for style used in \\urlstyle with completion.
If OPTIONAL is non-nil, indicate it in the minibuffer during the
query and insert the result in brackets. PROMPT replaces the
standard one."
(TeX-argument-insert
(completing-read (TeX-argument-prompt optional prompt "Style")
'("rm" "same" "sf" "tt"))
optional))
(defun TeX-arg-url-DeclareUrlCommand (optional &optional prompt)
"Prompt for arguments of \\DeclareUrlCommand with completion.
If OPTIONAL is non-nil, indicate it in the minibuffer during the
query and insert the result in brackets. PROMPT replaces the
standard one."
(let ((cmd (TeX-read-string
(TeX-argument-prompt optional prompt "Command: \\" t)))
(style (completing-read
(TeX-argument-prompt optional prompt "Style")
'("rm" "same" "sf" "tt"))))
(insert TeX-esc cmd TeX-grop)
(when (and style (not (string= style "")))
(insert TeX-esc "urlstyle" TeX-grop style TeX-grcl))
(insert TeX-grcl)
(LaTeX-add-url-DeclareUrlCommands cmd)
(LaTeX-url-DeclareUrlCommand-prepare)))
(defun TeX-arg-url-urldef (optional &optional prompt)
"Prompt for arguments of \\urldef with completion."
(let ((cmd (TeX-read-string
(TeX-argument-prompt optional prompt "Command: \\" t))))
(TeX-argument-insert cmd optional TeX-esc)
(LaTeX-add-url-urldefs cmd)
(LaTeX-url-urldef-prepare))
(TeX-insert-macro
(completing-read
(TeX-argument-prompt optional prompt "Macro: \\" t)
(append (mapcar #'car (LaTeX-url-DeclareUrlCommand-list))
'("url")))))
(TeX-add-style-hook
"url"
(lambda ()
;; Add url to the parser
(TeX-auto-add-regexp LaTeX-url-DeclareUrlCommand-regexp)
(TeX-auto-add-regexp LaTeX-url-urldef-regexp)
;; New symbols
(TeX-add-symbols
;; Macros for defining new styles, changing font, linebreaks etc.
"Url"
"UrlBigBreakPenalty"
"UrlBigBreaks"
"UrlBreakPenalty"
"UrlBreaks"
"UrlFont"
"UrlLeft"
"UrlNoBreaks"
"UrlOrds"
"UrlRight"
"UrlSpecials"
;; "hyperref" redefines \url so that the argument is only in
;; braces. We check here if hyperref is loaded:
'("url" (TeX-arg-conditional (member "hyperref" (TeX-style-list))
("Url")
((TeX-arg-verb-delim-or-brace "Url"))))
'("urldef" TeX-arg-url-urldef)
'("urlstyle" TeX-arg-url-urlstyle))
;; For '\path', use the facilities provided by this style. Also
;; don't add "path" for fontification below since
;; `LaTeX-url-DeclareUrlCommand-prepare' takes care of it.
(LaTeX-add-url-DeclareUrlCommands "path")
(LaTeX-url-DeclareUrlCommand-prepare)
;; Don't do the same for '\url' because hyperref.el has some code
;; to remove "url" from `LaTeX-verbatim-macros-with-delims-local',
;; but we check here as well if "hyperref" is already loaded:
(unless (member "hyperref" (TeX-style-list))
(add-to-list 'LaTeX-verbatim-macros-with-delims-local "url"))
(add-to-list 'LaTeX-verbatim-macros-with-braces-local "url")
;; Fontification
(when (and (fboundp 'font-latex-add-keywords)
(eq TeX-install-font-lock 'font-latex-setup))
(font-latex-add-keywords '(("url" ""))
'reference)
;; Don't fontify the second argument of 'DeclareUrlCommand' since
;; it gets the `font-latex-verbatim-face' from the first
;; argument. Same applies also to '\urldef' where we don't
;; fontify any arguments:
(font-latex-add-keywords '(("DeclareUrlCommand" "\\")
("urldef" "")
("urlstyle" "{"))
'function)
;; Tell font-lock about the update.
(font-latex-set-syntactic-keywords)))
TeX-dialect)
(defvar LaTeX-url-package-options '("hyphens" "obeyspaces" "spaces"
"allowmove" "lowtilde")
"Package options for the url package.")
;;; url.el ends here
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