From 7697fa4daf3ec84f85711a84035d8f0224afd4e3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?S=C3=A9bastien=20Delafond?= Date: Sun, 13 Jul 2014 13:35:01 +0200 Subject: Imported Upstream version 7.9.2 --- lisp/ob-ledger.el | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 lisp/ob-ledger.el (limited to 'lisp/ob-ledger.el') diff --git a/lisp/ob-ledger.el b/lisp/ob-ledger.el new file mode 100644 index 0000000..2635730 --- /dev/null +++ b/lisp/ob-ledger.el @@ -0,0 +1,71 @@ +;;; ob-ledger.el --- org-babel functions for ledger evaluation + +;; Copyright (C) 2010-2012 Free Software Foundation, Inc. + +;; Author: Eric S Fraga +;; Keywords: literate programming, reproducible research, accounting +;; Homepage: http://orgmode.org + +;; This file is part of GNU Emacs. + +;; GNU Emacs 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. + +;; GNU Emacs 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. If not, see . + +;;; Commentary: + +;; Org-Babel support for evaluating ledger entries. +;; +;; This differs from most standard languages in that +;; +;; 1) there is no such thing as a "session" in ledger +;; +;; 2) we are generally only going to return output from the ledger program +;; +;; 3) we are adding the "cmdline" header argument +;; +;; 4) there are no variables + +;;; Code: +(require 'ob) + +(defvar org-babel-default-header-args:ledger + '((:results . "output") (:cmdline . "bal")) + "Default arguments to use when evaluating a ledger source block.") + +(defun org-babel-execute:ledger (body params) + "Execute a block of Ledger entries with org-babel. This function is +called by `org-babel-execute-src-block'." + (message "executing Ledger source code block") + (let ((result-params (split-string (or (cdr (assoc :results params)) ""))) + (cmdline (cdr (assoc :cmdline params))) + (in-file (org-babel-temp-file "ledger-")) + (out-file (org-babel-temp-file "ledger-output-"))) + (with-temp-file in-file (insert body)) + (message "%s" (concat "ledger" + " -f " (org-babel-process-file-name in-file) + " " cmdline)) + (with-output-to-string + (shell-command (concat "ledger" + " -f " (org-babel-process-file-name in-file) + " " cmdline + " > " (org-babel-process-file-name out-file)))) + (with-temp-buffer (insert-file-contents out-file) (buffer-string)))) + +(defun org-babel-prep-session:ledger (session params) + (error "Ledger does not support sessions")) + +(provide 'ob-ledger) + + + +;;; ob-ledger.el ends here -- cgit v1.2.3