emacs/org/elpa/pdf-tools-20220823.513/pdf-dev.el

90 lines
2.9 KiB
EmacsLisp

;;; pdf-dev.el --- Mother's little development helper -*- lexical-binding: t; -*-
;; Copyright (C) 2015 Andreas Politz
;; Author: Andreas Politz <politza@hochschule-trier.de>
;; Keywords:
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; This file is only meant for developers. The entry point is
;; pdf-dev-minor-mode, which see.
;;; Code:
(defvar pdf-dev-root-directory
(file-name-directory
(directory-file-name
(file-name-directory load-file-name))))
(defun pdf-dev-reload ()
"Reload Lisp files from source."
(interactive)
(let ((default-directory (expand-file-name
"lisp"
pdf-dev-root-directory))
loaded)
(dolist (file (directory-files default-directory nil "\\`pdf-\\w*\\.el\\'"))
(push file loaded)
(load-file file))
(message "Loaded %s" (mapconcat 'identity loaded " "))))
(define-minor-mode pdf-dev-minor-mode
"Make developing pdf-tools easier.
It does the following:
Quits the server and sets `pdf-info-epdfinfo-program' to
../server/epdfinfo.
Installs a `compilation-finish-functions' which will restart
epdfinfo after a successful recompilation.
Sets up `load-path' and reloads all PDF Tools Lisp files."
:group 'pdf-dev
(let ((lisp-dir (expand-file-name "lisp" pdf-dev-root-directory)))
(setq load-path (remove lisp-dir load-path))
(cond
(pdf-dev-minor-mode
(add-hook 'compilation-finish-functions 'pdf-dev-compilation-finished)
(add-to-list 'load-path lisp-dir)
(setq pdf-info-epdfinfo-program
(expand-file-name
"epdfinfo"
(expand-file-name "server" pdf-dev-root-directory)))
(pdf-info-quit)
(pdf-dev-reload))
(t
(remove-hook 'compilation-finish-functions 'pdf-dev-compilation-finished)))))
(defun pdf-dev-compilation-finished (buffer status)
"Restart the epdfinfo server.
BUFFER is the PDF buffer and STATUS is the compilation status of
building epdfinfo."
(with-current-buffer buffer
(when (and (equal status "finished\n")
(file-equal-p
(expand-file-name "server" pdf-dev-root-directory)
default-directory))
(message "Restarting epdfinfo server")
(pdf-info-quit)
(let ((pdf-info-restart-process-p t))
(pdf-info-process-assert-running)))))
(provide 'pdf-dev)
;;; pdf-dev.el ends here