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;;; pg-movie.el --- Export a processed script buffer for external replay
;; This file is part of Proof General.
;; Portions © Copyright 1994-2012 David Aspinall and University of Edinburgh
;; Portions © Copyright 2003-2018 Free Software Foundation, Inc.
;; Portions © Copyright 2001-2017 Pierre Courtieu
;; Portions © Copyright 2010, 2016 Erik Martin-Dorel
;; Portions © Copyright 2011-2013, 2016-2017 Hendrik Tews
;; Portions © Copyright 2015-2017 Clément Pit-Claudel
;; Author: David Aspinall <David.Aspinall@ed.ac.uk> and others
;; License: GPL (GNU GENERAL PUBLIC LICENSE)
;;; Commentary:
;;
;; Given a processed proof script, write out an XML file that
;; contains the buffer contents and the contents of prover
;; output attached to spans.
;;
;; See etc/proviola and http://mws.cs.ru.nl/proviola/
;;
;; Much more could be done to dump the prettified output from the
;; prover, but this is probably not the right way of doing things in
;; general (one would rather have prover-integrated batch tools).
;;
;; It does give quick and easy results for provers already supported by
;; Proof General though!
;;
;;; Code:
(eval-when-compile (require 'cl-lib))
(eval-when-compile
(require 'span)
(require 'unicode-tokens))
(require 'pg-xml)
(defconst pg-movie-xml-header "<?xml version=\"1.0\"?>")
(defconst pg-movie-stylesheet
"<?xml-stylesheet type=\"text/xsl\" href=\"proviola-spp.xsl\"?>")
(defun pg-movie-stylesheet-location ()
(concat proof-home-directory "etc/proviola/proviola-spp.xsl"))
(defvar pg-movie-frame 0 "Frame counter for movie.")
(defun pg-movie-of-span (span)
"Render annotated SPAN in XML."
(let* ((tokens (proof-ass unicode-tokens-enable))
(cmd (buffer-substring-no-properties
(span-start span) (span-end span)))
(tcmd (if tokens
;; no subscripts of course
(unicode-tokens-encode-str cmd)
cmd))
(helpspan (span-property span 'pg-helpspan))
(resp (when helpspan
(span-property helpspan 'response)))
(tresp (if resp
(if tokens
(unicode-tokens-encode-str resp)
resp)
""))
(type (span-property span 'type))
(class (cond
((eq type 'comment) "comment")
((eq type 'proof) "lemma")
((eq type 'goalsave) "lemma")
(t "command")))
(label (span-property span 'rawname))
(frameid (int-to-string pg-movie-frame)))
(cl-incf pg-movie-frame)
(pg-xml-node frame
(list (pg-xml-attr frameNumber frameid))
(list
(pg-xml-node command
(append
(list (pg-xml-attr class class))
(if label (list (pg-xml-attr label label))))
(list tcmd))
(pg-xml-node response nil (list tresp))))))
(defun pg-movie-of-region (start end)
(list (pg-xml-node movie nil
(list (pg-xml-node film nil
(span-mapcar-spans-inorder
'pg-movie-of-span start end 'type))))))
;;;###autoload
(defun pg-movie-export (&optional force)
"Export the movie file from the current script buffer.
If FORCE, overwrite existing file without asking."
(interactive "DP")
(setq pg-movie-frame 0)
(let ((movie (pg-movie-of-region
(point-min)
(point-max)))
(movie-file-name
(concat
(file-name-sans-extension
(buffer-file-name)) ".xml")))
(with-current-buffer
(get-buffer-create "*pg-movie*")
(erase-buffer)
(insert pg-movie-xml-header "\n")
(insert pg-movie-stylesheet "\n")
(xml-print movie)
(write-file movie-file-name (not force)))))
;;;###autoload
(defun pg-movie-export-from (script &optional force)
"Export the movie file that results from processing SCRIPT."
(interactive "fFile:
P")
(let ((proof-full-annotation t) ; dynamic
(proof-fast-process-buffer t))
(find-file script)
(proof-process-buffer)
(pg-movie-export force)))
;;;###autoload
(defun pg-movie-export-directory (dir extn)
"Export movie files from directory DIR with extension EXTN.
Existing XML files are overwritten."
(interactive "DDirectory:
sFile extension: ")
(let ((files (directory-files
dir t
(concat "\\." extn "$"))))
(dolist (f files)
(pg-movie-export-from f 'force))
(copy-file (pg-movie-stylesheet-location)
dir 'overwrite)))
(provide 'pg-movie)
;;; pg-movie.el ends here
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