Merge branch 'master' of git+ssh://repo.or.cz/srv/git/org-mode

This commit is contained in:
Carsten Dominik 2009-10-06 11:06:01 +02:00
commit 174f53cad8
2 changed files with 193 additions and 0 deletions

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@ -38,6 +38,8 @@
;; - haskell-mode :: http://www.iro.umontreal.ca/~monnier/elisp/#haskell-mode
;;
;; - inf-haskell :: http://www.iro.umontreal.ca/~monnier/elisp/#haskell-mode
;;
;; - (optionally) lhs2tex :: http://people.cs.uu.nl/andres/lhs2tex/
;;; Code:
(require 'org-babel)
@ -48,6 +50,8 @@
(add-to-list 'org-babel-tangle-langs '("haskell" "hs"))
(defvar org-babel-haskell-lhs2tex-command "lhs2tex")
(defvar org-babel-haskell-eoe "\"org-babel-haskell-eoe\"")
(defun org-babel-execute:haskell (body params)
@ -128,5 +132,55 @@ Emacs-lisp table, otherwise return the results as a string."
"'" "\"" results)))))
results)))
(defun org-babel-haskell-export-to-lhs ()
"Export to a .lhs with all haskell code blocks escaped
appropriately, then process the resulting .lhs file using
lhs2tex. This function will create two new files, base-name.lhs
and base-name.tex where base-name is the name of the current
org-mode file.
Note that all standard org-babel literate programming
constructs (header arguments, no-web syntax etc...) are ignored."
(interactive)
(let* ((contents (buffer-string))
(haskell-regexp
(concat "^\\([ \t]*\\)#\\+begin_src[ \t]haskell*\\(.*\\)?[\r\n]"
"\\([^\000]*?\\)[\r\n][ \t]*#\\+end_src.*"))
(base-name (file-name-sans-extension (buffer-file-name)))
(tmp-file (make-temp-file "ob-haskell"))
(tmp-org-file (concat tmp-file ".org"))
(tmp-tex-file (concat tmp-file ".tex"))
(lhs-file (concat base-name ".lhs"))
(tex-file (concat base-name ".tex"))
(command (concat org-babel-haskell-lhs2tex-command " " lhs-file " > " tex-file))
indentation)
;; escape haskell source-code blocks
(with-temp-file tmp-org-file
(insert contents)
(goto-char (point-min))
(while (re-search-forward haskell-regexp nil t)
(save-match-data (setq indentation (length (match-string 1))))
(replace-match (save-match-data (concat
"#+begin_latex\n\\begin{code}\n"
(org-remove-indentation (match-string 3))
"\n\\end{code}\n#+end_latex\n"))
t t)
(indent-code-rigidly (match-beginning 0) (match-end 0) indentation)))
(save-excursion
;; export to latex w/org and save as .lhs
(find-file tmp-org-file) (call-interactively 'org-export-as-latex)
(kill-buffer)
(delete-file tmp-org-file)
(find-file tmp-tex-file)
(goto-char (point-min)) (forward-line 2)
(insert "%include polycode.fmt\n")
(setq contents (buffer-string))
(save-buffer) (kill-buffer))
(delete-file tmp-tex-file)
;; save org exported latex to a .lhs file
(with-temp-file lhs-file (insert contents))
;; process .lhs file with lhs2tex
(message "running %s" command) (shell-command command)))
(provide 'org-babel-haskell)
;;; org-babel-haskell.el ends here

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@ -0,0 +1,139 @@
;;; org-babel-screen.el --- org-babel support for interactive terminal
;; Copyright (C) 2009 Benjamin Andresen
;; Author: Benjamin Andresen
;; Keywords: literate programming, interactive shell
;; Homepage: http://orgmode.org
;; Version: 0.01
;;; License:
;; 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, 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Org-Babel support for interactive terminals. Mostly shell scripts.
;; Heavily inspired by 'eev' from Eduardo Ochs
;;
;; Adding :cmd and :terminal as header arguments
;; :terminal must support the -T (title) and -e (command) parameter
;;
;; You can test the default setup. (xterm + sh) with
;; M-x org-babel-screen-test RET
;;; Code:
(require 'org-babel)
(org-babel-add-interpreter "screen")
(add-to-list 'org-src-lang-modes '("screen" . sh))
(defvar org-babel-screen-location "screen"
"The command location for screen.
In case you want to use a different screen than one selected by your $PATH")
(defvar org-babel-default-header-args:screen
'((:results . "silent") (:session . "default") (:cmd . "sh") (:terminal . "xterm"))
"Default arguments to use when running screen source blocks.")
(defun org-babel-execute:screen (body params)
"Send a block of code via screen to a terminal using org-babel.
\"default\" session is be used when none is specified."
(message "Sending source code block to interactive terminal session...")
(save-window-excursion
(let ((socket (org-babel-screen-session-socketname session)))
(unless socket (org-babel-prep-session:screen session params))
(org-babel-screen-session-execute-string session body))))
(defun org-babel-prep-session:screen (session params)
"Prepare SESSION according to the header arguments specified in PARAMS."
(let* ((socket (org-babel-screen-session-socketname session))
(vars (org-babel-ref-variables params))
(cmd (cdr (assoc :cmd params)))
(terminal (cdr (assoc :terminal params)))
(process-name (concat "org-babel: terminal (" session ")")))
(apply 'start-process process-name "*Messages*"
terminal `("-T" ,(concat "org-babel: " session) "-e" ,org-babel-screen-location
"-c" "/dev/null" "-mS" ,(concat "org-babel-session-" session)
,cmd))
;; XXX: Is there a better way than the following?
(while (not (org-babel-screen-session-socketname session))
;; wait until screen session is available before returning
)))
;; helper functions
(defun org-babel-screen-session-execute-string (session body)
"If SESSION exist, send BODY to it."
(let ((socket (org-babel-screen-session-socketname session)))
(when socket
(let ((tmpfile (org-babel-screen-session-write-temp-file session body)))
(apply 'start-process (concat "org-babel: screen (" session ")") "*Messages*"
org-babel-screen-location
`("-S" ,socket "-X" "eval" "msgwait 0"
,(concat "readreg z " tmpfile)
"paste z"))))))
(defun org-babel-screen-session-socketname (session)
"Check if SESSION exist by parsing output of \"screen -ls\"."
(let* ((screen-ls (shell-command-to-string "screen -ls"))
(sockets (remove-if-not
'(lambda (x)
(string-match (rx (or "(Attached)" "(Detached)")) x))
(split-string screen-ls "\n")))
(match-socket (find-if
'(lambda (x)
(string-match (concat "org-babel-session-" session) x))
sockets)))
(when match-socket (car (split-string match-socket)))))
(defun org-babel-screen-session-write-temp-file (session body)
"Save BODY in a temp file that is named after SESSION."
(let ((tmpfile (concat "/tmp/screen.org-babel-session-" session)))
(with-temp-file tmpfile
(insert body)
;; org-babel has superflous spaces
(goto-char (point-min))
(delete-matching-lines "^ +$"))
tmpfile))
(defun org-babel-screen-test ()
"Command that tests if the default setup works.
The terminal should shortly flicker."
(interactive)
(let* ((session "org-babel-testing")
(random-string (format "%s" (random 99999)))
(tmpfile "/tmp/org-babel-screen.test")
(body (concat "echo '" random-string "' > " tmpfile "\nexit\n"))
process tmp-string)
(org-babel-execute:screen body org-babel-default-header-args:screen)
;; XXX: need to find a better way to do the following
(while (not (file-readable-p tmpfile))
;; do something, otherwise this will be optimized away
(format "org-babel-screen: File not readable yet."))
(setq tmp-string (with-temp-buffer
(insert-file-contents-literally tmpfile)
(buffer-substring (point-min) (point-max))))
(delete-file tmpfile)
(message (concat "org-babel-screen: Setup "
(if (string-match random-string tmp-string)
"WORKS."
"DOESN'T work.")))))
(provide 'org-babel-screen)
;;; org-babel-screen.el ends here