123 lines
4.4 KiB
EmacsLisp
123 lines
4.4 KiB
EmacsLisp
;;; catchfilebetweentags.el --- AUCTeX style for catchfilebetweentags package -*- lexical-binding: t; -*-
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;; Copyright (C) 2022 Free Software Foundation, Inc.
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;; Author: Uwe Brauer <oub@mat.ucm.es>
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;; Maintainer: auctex-devel@gnu.org
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;; Created: Aug 23, 2022
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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 the catchfilebetweentags package.
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;; Acknowledgements
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;; Arash Esbati <arash@gnu.org> for, basically, a complete rewrite, thanks.
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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
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"font-latex"
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(keywords class))
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(defvar-local LaTeX-catchfilebetweentags-counter nil
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"Counter for LaTeX-catchfilebetweentags numbers.")
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;; Scanning function, stolen from markdown-mode
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(defun LaTeX-catchfilebetweentags-counter-inc ()
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"Increment `LaTeX-catchfilebetweentags-counter' and return the new value."
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(when (null LaTeX-catchfilebetweentags-counter)
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(setq LaTeX-catchfilebetweentags-counter 0)
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(save-excursion
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(goto-char (point-min))
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(while (re-search-forward "^%<\\*[^:]*:\\([^>]+\\)>$"
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(point-max) t)
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(let ((fn (string-to-number (match-string 1))))
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(when (> fn LaTeX-catchfilebetweentags-counter)
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(setq LaTeX-catchfilebetweentags-counter fn))))))
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(setq LaTeX-catchfilebetweentags-counter
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(1+ LaTeX-catchfilebetweentags-counter)))
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(defun LaTeX-env-catchfilebetweentags (_environment)
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"Insert a tag-skeleton defined by `LaTeX-catchfilebetweentags'.
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ENVIRONMENT is ignored."
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;; The following code, adds the file name as a prefix to the tag, in
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;; a similar way reftex does this, which is useful for combining
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;; several external files to a singular one.
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(let* ((file (file-name-sans-extension
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(file-name-nondirectory
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(buffer-file-name (current-buffer)))))
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(fn (when LaTeX-catchfilebetweentags-use-numeric-label
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(LaTeX-catchfilebetweentags-counter-inc)))
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(tag (concat file ":"
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(TeX-read-string
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(if fn (format "Tag (default %s): " fn) "Tag: ")
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nil nil (when fn (number-to-string fn))))))
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(unless (bolp)
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(newline)
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(delete-horizontal-space))
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(save-excursion
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(insert (concat (format "%%<*%s>" tag)
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"\n\n"
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(format "%%</%s>" tag)))))
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(forward-line))
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(TeX-add-style-hook
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"catchfilebetweentags"
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(lambda ()
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(TeX-add-symbols
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'("ExecuteMetaData"
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;; Act like \include and not like \input:
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[TeX-arg-input-file "File" t] "Tag")
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'("ExecuteMetaData*"
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[TeX-arg-input-file "File" t] "Tag")
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'("CatchFileBetweenTags"
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TeX-arg-define-macro (TeX-arg-input-file "File-name" t) "Tag")
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'("CatchFileBetweenTags*"
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TeX-arg-define-macro (TeX-arg-input-file "File-name" t) "Tag")
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'("CatchFileBetweenDelims"
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TeX-arg-define-macro (TeX-arg-input-file "File-name" t)
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"Start delimiter" "Stop delimiter" ["Setup"]))
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(LaTeX-add-environments
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'("catchfilebetweenfiletags" LaTeX-env-catchfilebetweentags))
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;; Add `LaTeX-catchfilebetweentags-counter' to
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;; `TeX-normal-mode-reset-list' in case the variable gets out of
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;; sync:
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(add-to-list 'TeX-normal-mode-reset-list
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'LaTeX-catchfilebetweentags-counter)
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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 '(("ExecuteMetaData" "*[{")
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("CatchFileBetweenTags" "*|{\\{{")
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("CatchFileBetweenDelims" "|{\\{{{["))
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'function)))
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TeX-dialect)
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;;; catchfilebetweentags.el ends here
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