5b4400b2d0
When the ledger-init-load-init-file was called again, it used to parse ledger init file, and to throw away the result. No you can use it to load this file again when you have change something in it.
69 lines
2.6 KiB
EmacsLisp
69 lines
2.6 KiB
EmacsLisp
;;; ledger-init.el --- Helper code for use with the "ledger" command-line tool
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;; Copyright (C) 2003-2013 John Wiegley (johnw AT gnu DOT org)
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;; This file is not part of GNU Emacs.
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;; This is free software; you can redistribute it and/or modify it under
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;; the terms of the GNU General Public License as published by the Free
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;; Software Foundation; either version 2, or (at your option) any later
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;; version.
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;;
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;; This is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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;; 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 GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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;; MA 02111-1307, USA.
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;;; Commentary:
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;; Determine the ledger environment
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(require 'ledger-regex)
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(defcustom ledger-init-file-name "~/.ledgerrc"
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"Location of the ledger initialization file. nil if you don't have one"
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:group 'ledger-exec)
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(defvar ledger-environment-alist nil)
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(defun ledger-init-parse-initialization (buffer)
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(with-current-buffer buffer
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(let (environment-alist)
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(goto-char (point-min))
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(while (re-search-forward ledger-init-string-regex nil t )
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(let ((matchb (match-beginning 0)) ;; save the match data, string-match stamp on it
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(matche (match-end 0)))
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(end-of-line)
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(setq environment-alist
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(append environment-alist
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(list (cons (let ((flag (buffer-substring-no-properties (+ 2 matchb) matche)))
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(if (string-match "[ \t\n\r]+\\'" flag)
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(replace-match "" t t flag)
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flag))
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(let ((value (buffer-substring-no-properties matche (point) )))
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(if (> (length value) 0)
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value
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t))))))))
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environment-alist)))
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(defun ledger-init-load-init-file ()
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(interactive)
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(let ((init-base-name (file-name-nondirectory ledger-init-file-name)))
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(if (get-buffer init-base-name) ;; init file already loaded, parse it and leave it
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(setq ledger-environment-alist
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(ledger-init-parse-initialization init-base-name))
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(when (and ledger-init-file-name
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(file-exists-p ledger-init-file-name)
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(file-readable-p ledger-init-file-name))
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(find-file-noselect ledger-init-file-name)
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(setq ledger-environment-alist
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(ledger-init-parse-initialization init-base-name))
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(kill-buffer init-base-name)))))
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(provide 'ledger-init)
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;;; ledger-init.el ends here
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