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103 lines
4.1 KiB
103 lines
4.1 KiB
15 years ago
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;;; (X)Emacs frontend to forward search with kdvi. See the section on
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;;; FORWARD SEARCH in the kdvi manual for more information on forward
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;;; search, and for an explanation how to use this script. This script
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;;; is a modified version of the script "xdvi-search.el" by Stefan
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;;; Ulrich <ulrich@cis.uni-muenchen.de>, version 2000/03/13. The
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;;; modifications were performed by Stefan Kebekus
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;;; <kebekus@kde.org>. Tested with Emacs 20.7.1 and Xemacs 21.4.
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;;;
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;;; This program is free software; you can redistribute it and/or
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;;; modify it under the terms of the GNU General Public License as
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;;; published by the Free Software Foundation; either version 2 of the
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;;; License, or (at your option) any later version.
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;;;
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;;; This program is distributed in the hope that it will be useful,
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;;; but 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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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with this program; if not, write to the Free Software
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;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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;;; 02110-1301, USA.
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;;;
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;;; Please report bugs or improvements, etc. via the "Report bug"-Menu
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;;; of kdvi.
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;;;
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(defvar kdvi-script "kdvi"
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"*Name of start script for kdvi.")
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(defun kdvi-jump-to-line ()
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"Call kdvi-script to perform a `forward search' for current file and line number.
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See contents of kdvi-script for details.
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If AucTeX is used, the value of TeX-master-file is used as filename
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for the master .dvi file; else, the return value of kdvi-master-file-name
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is used (which see)."
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(interactive)
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(save-excursion
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(save-restriction
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(widen)
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(beginning-of-line 1)
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(let* (;;; current line in file, as found in the documentation
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;;; of emacs. Slightly non-intuitive.
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(current-line (format "%d" (+ 1 (count-lines (point-min) (point)))))
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;;; name of the `main' .tex file, which is also used as .dvi basename:
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(master-file (expand-file-name (if (fboundp 'TeX-master-file)
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(TeX-master-file t)
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(kdvi-get-masterfile (kdvi-master-file-name)))))
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;;; .dvi file name:
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(dvi-file (concat (file-name-sans-extension master-file) ".dvi"))
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;;; current source file name.
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(filename (expand-file-name (buffer-file-name))))
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(start-process "kdvi"
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"kdvi-output" "kdvi" ;;; src-args
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;;; args for -sourceposition:
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"--unique" (concat "file:" dvi-file "#src:" current-line filename)
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)))))
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(defun kdvi-get-masterfile (file)
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"Small helper function for AucTeX compatibility.
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Converts the special value t that TeX-master might be set to
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into a real file name."
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(if (eq file t)
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(buffer-file-name)
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file))
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(defun kdvi-master-file-name ()
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"Emulate AucTeX's TeX-master-file function.
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Partly copied from tex.el's TeX-master-file and TeX-add-local-master."
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(if (boundp 'TeX-master)
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TeX-master
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(let ((master-file (read-file-name "Master file (default this file): ")))
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(if (y-or-n-p "Save info as local variable? ")
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(progn
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(goto-char (point-max))
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(if (re-search-backward "^\\([^\n]+\\)Local Variables:" nil t)
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(let* ((prefix (if (match-beginning 1)
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(buffer-substring (match-beginning 1) (match-end 1))
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""))
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(start (point)))
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(re-search-forward (regexp-quote (concat prefix "End:")) nil t)
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(if (re-search-backward (regexp-quote (concat prefix "TeX-master")) start t)
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;;; if TeX-master line exists already, replace it
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(progn
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(beginning-of-line 1)
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(kill-line 1))
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(beginning-of-line 1))
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(insert prefix "TeX-master: " (prin1-to-string master-file) "\n"))
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(insert "\n%%% Local Variables: "
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;;; mode is of little use without AucTeX ...
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;;; "\n%%% mode: " (substring (symbol-name major-mode) 0 -5)
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"\n%%% TeX-master: " (prin1-to-string master-file)
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"\n%%% End: \n"))
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(save-buffer)
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(message "(local variables written.)"))
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(message "(nothing written.)"))
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(set (make-local-variable 'TeX-master) master-file))))
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(provide 'kdvi-search)
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