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;;; ess-swv.el --- Some simple functions for ESS and Sweave
;; Copyright (C) 2005 David Whiting, A.J. Rossini, Richard M. Heiberger, Martin
;; Maechler, Kurt Hornik, Rodney Sparapani, and Stephen Eglen.
;; Copyright (C) 2006-2008 A.J. Rossini, Richard M. Heiberger, Martin Maechler,
;; Kurt Hornik, Rodney Sparapani, and Stephen Eglen.
;; Author: David Whiting <david.whiting@ncl.ac.uk>
;; Created: 15 April 2005
;; Maintainer: ESS-core <ESS-core@r-project.org>
;; Keywords: statistics, tools
;; This file is part of ESS.
;; This file 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 2, or (at your option)
;; any later version.
;; This file 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.
;; A copy of the GNU General Public License is available at
;; https://www.r-project.org/Licenses/
;;; Commentary:
;;
;; Some simple functions for ESS and Sweave
;; david.whiting at ncl.ac.uk
;; Wed Sep 1 14:55:52 CEST 2004
;; I have written some very simple elisp functions that I have found
;; useful and thought others might like to see. I dabble with elisp
;; occasionally at best so there are probably better ways to do what I
;; have done, but so far this seems to work for me. There are several
;; things that are hard-coded, I use Linux and I think that this would
;; probably not work in Windows (not as it is now anyway).
;; With these functions and key bindings all I need to do is open a .Rnw
;; file and, assuming R is running, I press:
;; M-n s to Sweave the file, then
;; M-n l to run latex on the results of Sweave, then
;; M-n p to make and display a postscript file , or
;; M-n P to make and display a PDF version.
;; David Whiting to Anthony Rossini, Mar 30
;; On Wed, Mar 30, 2005 at 11:51:26AM +0200, A.J. Rossini wrote:
;; > I'm going to go ahead and add this stuff to the distribution tonight
;; > if you don't mind. I'd forgotten about it!
;; It would make me very happy indeed.
;; > (however, need permission to do so).
;; Permission granted!
;; Dave
;; --
;; David Whiting
;; School of Clinical Medical Sciences, The Medical School
;; University of Newcastle upon Tyne, NE2 4HH, UK.
;;; TODO:
;;;
;;; 1. I want to be able to send ess-swv-latex a parameter to tell it
;;; the number of times to run LaTeX (to get references updated
;;; correctly).
;;;
;;; 2. Also need to add ess-swv-Bibtex.
;;;
;;; 3. Might be good to have a way to chain commands.
;;;
;;; 4. ADD to the ../doc/ess.texi !!
;;; Code:
;;; Autoloads and Requires
(eval-when-compile
(require 'ess-custom))
(require 'ess-utils)
(require 'ess-noweb-mode)
(require 'ess-r-mode); for Rnw-mode
(require 'easymenu)
(defvar TeX-command-list)
(defvar TeX-command-default)
(defvar TeX-file-extensions)
(declare-function TeX-normal-mode "tex")
(defgroup ess-sweave nil
"Mode for editing Sweave (*.[SR]nw) files."
:group 'ess-S
:prefix "ess-")
(defcustom ess-pdf-viewer-pref nil
"External pdf viewer you like to use from ESS.
Can be a string giving a name of the program or a list with car
giving heprogram and the tail giving the arguments. For example
'(\"okular\" \"--unique\")."
:type '(choice (const nil) (repeat :tag "Command with arguments" string) (string :tag "Command")))
(defcustom ess-ps-viewer-pref nil
"External PostScript viewer you like to use from ESS.
If nil, ESS will try finding one from a list."
:type '(choice (const nil) string))
(defcustom ess-swv-pdflatex-commands '("texi2pdf" "pdflatex" "make")
"Commands to run a version of pdflatex in \\[ess-swv-PDF];
the first entry is the default command."
:group 'ess-sweave
:type '(repeat string))
(defcustom ess-swv-plug-into-AUCTeX-p nil
"Non-nil means add commands to AUCTeX's \\[TeX-command-list]
to sweave the current noweb file and latex the result."
:group 'ess-sweave
:type '(choice (const :tag "Off" nil)
(const :tag "On" t)))
(defcustom ess-swv-processing-command ".ess_weave(%s, %s)"
"Command used by `ess-swv-run-in-R'.
First %s is literally replaced by the processing command (for
example: Sweave) second %s is replaced with a string containing a
processed file and possibly additional argument encoding (example:
\"path/to/foo.Rnw\", encoding='utf-8')
.ess_weave changes the working directory to that of the supplied
file.
If you want to simply call knitr or Sweave in global environment
set this command to \"%s(%s)\"."
:group 'ess-R
:type 'string)
;; currently use exactly for "Sweave", "Stangle", "knit", and "purl"
(defun ess-swv-run-in-R (cmd &optional choose-process block)
"Run \\[cmd] on the current .Rnw file. Utility function not called by user."
(let* ((rnw-buf (current-buffer)))
(if choose-process ;; previous behavior
(ess-force-buffer-current "R process to load into: ")
;; else
(update-ess-process-name-list)
(cond ((= 0 (length ess-process-name-list))
(message "no ESS processes running; starting R")
(sit-for 1); so the user notices before the next msgs/prompt
(run-ess-r)
(set-buffer rnw-buf)
)
((not (string= "R" (ess-make-buffer-current))); e.g. Splus, need R
(ess-force-buffer-current "R process to load into: "))
))
(save-excursion
;; (ess-execute (format "require(tools)")) ;; Make sure tools is loaded.
(basic-save-buffer); do not Sweave/Stangle old version of file !
(let* ((sprocess (ess-get-process ess-current-process-name))
(sbuffer (process-buffer sprocess))
(rnw-file (buffer-file-name))
(Rnw-dir (file-name-directory rnw-file))
(buf-coding (symbol-name buffer-file-coding-system))
;; could consider other encodings, but utf-8 is "R standard" for non-ASCII:
(cmd-args (concat "\"" rnw-file "\""
(if (string-match "^utf-8" buf-coding)
", encoding = \"utf-8\"")))
(Sw-cmd
(format ess-swv-processing-command cmd cmd-args)))
(message "%s()ing %S" cmd rnw-file)
;; need to block when we are running ess-swv-weave-PDF so we
;; know when to start compiling the generated .tex file
(if block
(progn
(ess-eval-linewise (concat Sw-cmd "\n") nil nil nil t)
(message "Finished %s()ing %S" cmd rnw-file))
(ess-execute Sw-cmd 'buffer nil nil)
(pop-to-buffer-same-window rnw-buf)
(display-buffer (buffer-name sbuffer)))))))
(defcustom ess-swv-processor 'sweave
"Processor to use for weaving and tangling.
Currently 'sweave or 'knitr"
:group 'ess-R
:type '(choice (const sweave) (const knitr)))
(defun ess-swv-tangle ()
"Run Stangle/purl on the current .Rnw file.
Depending on the `ess-swv-processor' used."
(interactive)
(ess-swv-run-in-R (cond ((eq ess-swv-processor 'sweave) "Stangle")
((eq ess-swv-processor 'knitr) "purl")
(t (error "Not a valid processor %s" ess-swv-processor)))))
(defun ess-swv-weave (&optional choose)
"Run Sweave/knit on the current .Rnw file.
Depending on the `ess-swv-processor' used.
If CHOOSE is non-nil, offer a menu of available weavers.
"
(interactive "P")
(let ((processor (if choose
(ess-completing-read "Weaver" '("sweave" "knitr") nil t)
(symbol-name ess-swv-processor))))
(ess-swv-run-in-R (cond ((string= processor "sweave") "Sweave")
((string= processor "knitr") "knit")
(t (error "Not a valid processor %s" processor))))))
(defun ess-swv-sweave ()
"Run Sweave on the current .Rnw file."
(interactive)
(ess-swv-run-in-R "Sweave"))
(defun ess-swv-stangle ()
"Run Stangle on the current .Rnw file."
(interactive)
(ess-swv-run-in-R "Stangle"))
(defun ess-swv-knit ()
"Run knit on the current .Rnw file."
(interactive)
(ess-swv-run-in-R "knit"))
(defun ess-swv-purl ()
"Run purl on the current .Rnw file."
(interactive)
(ess-swv-run-in-R "purl"))
;; trying different viewers; thanks to an original patch for
;; ess-swv.el from Leo <sdl@web.de> :
(defun ess-get-ps-viewer ()
"Get external PostScript viewer to be used from ESS.
Use `ess-ps-viewer-pref' when that is executably found by \\[executable-find].
Otherwise try a list of fixed known viewers."
(file-name-nondirectory
(or (and ess-ps-viewer-pref ; -> ./ess-custom.el
(executable-find ess-ps-viewer-pref))
(executable-find "gv")
(executable-find "evince")
(executable-find "kghostview"))))
(defun ess-get-pdf-viewer ()
"Get external PDF viewer to be used from ESS.
Use `ess-pdf-viewer-pref' when that is executably found by \\[executable-find].
Otherwise try a list of fixed known viewers."
(let ((viewer (or ess-pdf-viewer-pref
;; (and (stringp ess-pdf-viewer-pref) ; -> ./ess-custom.el
;; (executable-find ess-pdf-viewer-pref))
(executable-find "evince")
(executable-find "kpdf")
(executable-find "okular")
(executable-find "xpdf")
(executable-find "acroread")
(executable-find "xdg-open")
;; this one is wrong, (ok for time being as it is used only in swv)
(when (fboundp 'ess-get-words-from-vector)
(car (ess-get-words-from-vector
"getOption(\"pdfviewer\")\n"))))))
(when (stringp viewer)
(setq viewer (file-name-nondirectory viewer)))
viewer))
(defun ess-swv-weave-PDF (&optional choose)
"Sweave/knit, compile TeX, and display PDF.
Run Sweave or knit depending on `ess-swv-processor' used.
If CHOOSE is non-nil, offer a menu of available weavers.
"
(interactive "P")
(let ((processor (if choose
(ess-completing-read "Weaver" '("sweave" "knitr") nil t)
(symbol-name ess-swv-processor))))
(ess-swv-run-in-R (cond ((string= processor "sweave") "Sweave")
((string= processor "knitr") "knit")
(t (error "Not a valid processor %s" processor)))
nil t)
(ess-swv-PDF nil t)))
(defun ess-swv-latex ()
"Run LaTeX on the product of Sweave()ing the current file."
(interactive)
(save-excursion
(let* ((namestem (file-name-sans-extension (buffer-file-name)))
(latex-filename (concat namestem ".tex"))
(tex-buf (get-buffer-create " *ESS-tex-output*")))
(message "Running LaTeX on '%s' ..." latex-filename)
(switch-to-buffer tex-buf)
(call-process "latex" nil tex-buf 1 latex-filename)
(switch-to-buffer (buffer-name))
(display-buffer tex-buf)
(message "Finished running LaTeX" ))))
(defun ess-swv-PS ()
"Create a postscript file from a dvi file (name based on the current
Sweave file buffer name) and display it."
(interactive)
(let* ((buf (buffer-name))
(namestem (file-name-sans-extension (buffer-file-name)))
(dvi-filename (concat namestem ".dvi"))
(psviewer (ess-get-ps-viewer)))
(shell-command (concat "dvips -o temp.ps " dvi-filename))
(shell-command (concat psviewer " temp.ps & "))
(switch-to-buffer buf)
))
(defun ess-swv-PDF (&optional pdflatex-cmd hide-compile-buffer)
"From LaTeX file, create a PDF (via 'texi2pdf' or 'pdflatex', ...), by
default using the first entry of `ess-swv-pdflatex-commands' and display it."
(interactive)
(setq pdflatex-cmd
(or pdflatex-cmd
(and (eq (length ess-swv-pdflatex-commands) 1)
(car ess-swv-pdflatex-commands))
(ess-completing-read "pdf latex command"
ess-swv-pdflatex-commands ; <- collection to choose from
nil 'confirm ; or 'confirm-after-completion
nil nil (car ess-swv-pdflatex-commands))))
(let* ((buf (buffer-name))
(namestem (file-name-sans-extension (buffer-file-name)))
(latex-filename (concat namestem ".tex"))
(tex-buf (get-buffer-create "*ESS-tex-output*"))
(pdfviewer (ess-get-pdf-viewer))
(pdf-status)
(cmdstr-win (format "start \"%s\" \"%s.pdf\"" pdfviewer namestem))
(pdffile (format "%s.pdf" namestem))
(cmd (if (stringp pdfviewer)
(list pdfviewer pdffile)
(append pdfviewer (list pdffile)))))
;;(shell-command (concat "pdflatex " latex-filename))
(message "Running '%s' on '%s' ..." pdflatex-cmd latex-filename)
(with-current-buffer tex-buf (erase-buffer))
(setq pdf-status
(call-process pdflatex-cmd nil tex-buf t
(if (string= "texi2" (substring pdflatex-cmd 0 5))
;; workaround (bug?): texi2pdf or texi2dvi *fail* to work with full path:
(file-name-nondirectory latex-filename)
latex-filename)))
(if (not (= 0 pdf-status))
(progn (message "** OOPS: error in '%s' (%d)!" pdflatex-cmd pdf-status)
(display-buffer tex-buf))
;; else: pdflatex probably ok
;; (set-process-sentinel proc 'shell-command-sentinel)
(if (and (and ess-microsoft-p
;; Silence byte compiler warns about w32-fns
(fboundp 'w32-shell-dos-semantics))
(w32-shell-dos-semantics))
(shell-command cmdstr-win)
(message "%s" (mapconcat 'identity cmd " "))
(apply 'start-process (car cmd) nil cmd))
(unless hide-compile-buffer (display-buffer tex-buf))
(message "%s finished with status %d" pdflatex-cmd pdf-status))))
(defun ess-insert-Sexpr ()
"Insert Sexpr{} into the buffer at point."
(interactive)
(insert "\\Sexpr{}")
(backward-char))
;;; back-compatible wrappers:
(defun ess-makeSweave () "old *DEPRECATED* version of \\[ess-swv-weave]."
(interactive) (ding)
(message
"** warning: ess-makeSweave is deprecated. Do use (ess-swv-weave) instead!")
(ess-swv-weave))
(defun ess-makeLatex () "old *DEPRECATED* version of \\[ess-swv-latex]."
(interactive) (ding)
(message
"** warning: ess-makeLatex is deprecated. Do use (ess-swv-latex) instead!")
(ess-swv-latex))
(defun ess-makePS () "old *DEPRECATED* version of \\[ess-swv-PS]."
(interactive) (ding)
(message
"** warning: ess-makePS is deprecated. Do use (ess-swv-PS) instead!")
(ess-swv-PS))
(defun ess-makePDF () "old *DEPRECATED* version of \\[ess-swv-PDF]."
(interactive) (ding)
(message
"** warning: ess-makePDF is deprecated. Do use (ess-swv-PDF) instead!")
(ess-swv-PDF))
;; AUCTeX integration. This is independent of this library, but it fits
;; here nonetheless since it's an alternative way of Sweave'ing without
;; starting iESS.
(defun ess-swv-add-TeX-commands ()
"Add commands to AUCTeX's \\[TeX-command-list]."
(unless (and (featurep 'tex-site) (featurep 'tex))
(error "AUCTeX does not seem to be loaded"))
(add-to-list 'TeX-command-list
'("Sweave" "R CMD Sweave %t"
TeX-run-command nil (latex-mode) :help
"Run Sweave") t)
(add-to-list 'TeX-command-list
'("LaTeXSweave" "%l %(mode) %s"
TeX-run-TeX nil (latex-mode) :help
"Run LaTeX after Sweave") t)
(setq TeX-command-default "Sweave")
(mapc (lambda (suffix)
(add-to-list 'TeX-file-extensions suffix))
'("nw" "Snw" "Rnw")))
(defun ess-swv-remove-TeX-commands (x)
"Helper function: check if car of X is one of the Sweave strings"
(let ((swv-cmds '("Sweave" "LaTeXSweave")))
(unless (member (car x) swv-cmds) x)))
(defun ess-swv-plug-into-AUCTeX ()
"Add commands to AUCTeX's \\[TeX-command-list] to sweave the current noweb
file and latex the result."
(if ess-swv-plug-into-AUCTeX-p
(add-hook 'Rnw-mode-hook 'ess-swv-add-TeX-commands)
(remove-hook 'Rnw-mode-hook 'ess-swv-add-TeX-commands)
(setq TeX-command-list (mapcar 'ess-swv-remove-TeX-commands TeX-command-list)
;; this will remove the items, leaving nils, so remove them.
TeX-command-list (delq nil TeX-command-list))))
;; as ess-swv-plug-into-AUCTeX-p is customizable ... :
(if ess-swv-plug-into-AUCTeX-p
(eval-after-load "tex" '(ess-swv-plug-into-AUCTeX)))
(defun ess-swv-toggle-plug-into-AUCTeX ()
"Toggle inclusion of commands to sweave noweb files and latex the results in
\\[TeX-command-list] on and off. Commands are added via \\[Rnw-mode-hook]."
(interactive)
(unless (and (featurep 'tex-site) (featurep 'tex))
(error "AUCTeX are not available"))
(setq ess-swv-plug-into-AUCTeX-p (not ess-swv-plug-into-AUCTeX-p))
(ess-swv-plug-into-AUCTeX)
(TeX-normal-mode t)
(if ess-swv-plug-into-AUCTeX-p
(message "Sweave and LaTeXSweave are activated in AUCTeX.")
(message "Sweave and LaTeXSweave are de-activated in AUCTeX.")))
;;; Now bind some keys.
(define-key ess-noweb-minor-mode-map "\M-ns" 'ess-swv-sweave)
(define-key ess-noweb-minor-mode-map "\M-nT" 'ess-swv-tangle)
(define-key ess-noweb-minor-mode-map "\M-nl" 'ess-swv-latex)
(define-key ess-noweb-minor-mode-map "\M-np" 'ess-swv-PS)
(define-key ess-noweb-minor-mode-map "\M-nP" 'ess-swv-PDF)
(define-key ess-noweb-minor-mode-map "\M-nr" 'ess-swv-knit)
(define-key ess-noweb-minor-mode-map "\M-nu" 'ess-swv-purl)
(define-key ess-noweb-minor-mode-map "\M-nv" 'ess-swv-weave-PDF)
(define-key ess-noweb-minor-mode-map "\M-nw" 'ess-swv-weave); depends on proc.
(define-key ess-noweb-minor-mode-map "\M-nx" 'ess-insert-Sexpr)
;; AND add these to the noweb menu we have anyway ! :
(easy-menu-define ess-swv-menu
ess-noweb-minor-mode-menu
"Submenu for use in `Rnw-mode'."
'("Sweaving, Tangling, ..."
["Sweave" ess-swv-sweave t]
["Tangle" ess-swv-tangle t]
["LaTeX" ess-swv-latex t]
["PDF(LaTeX)" ess-swv-PDF t]
["PS (dvips)" ess-swv-PS t]
["Knit" ess-swv-knit t]
["Purl" ess-swv-purl t]
["View PDF" ess-swv-weave-PDF t]
["Weave (Sweave/Knit)" ess-swv-weave t]
["Insert Sexpr" ess-insert-Sexpr t]
["AUCTeX Interface" ess-swv-toggle-plug-into-AUCTeX
:style toggle :selected ess-swv-plug-into-AUCTeX-p]
))
(easy-menu-add-item ess-noweb-minor-mode-menu
nil ;; <= path
ess-swv-menu)
; provides
(provide 'ess-swv)
;;; ess-swv.el ends here