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Diffstat (limited to 'elpa/ledger-mode-20200530.1710/ledger-init.el')
| -rw-r--r-- | elpa/ledger-mode-20200530.1710/ledger-init.el | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/elpa/ledger-mode-20200530.1710/ledger-init.el b/elpa/ledger-mode-20200530.1710/ledger-init.el new file mode 100644 index 0000000..ce39066 --- /dev/null +++ b/elpa/ledger-mode-20200530.1710/ledger-init.el @@ -0,0 +1,98 @@ +;;; ledger-init.el --- Helper code for use with the "ledger" command-line tool -*- lexical-binding: t; -*- + +;; Copyright (C) 2003-2016 John Wiegley (johnw AT gnu DOT org) + +;; This file is not part of GNU Emacs. + +;; This 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 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: +;; Determine the ledger environment + +(require 'ledger-regex) + +;;; Code: + +(defcustom ledger-init-file-name "~/.ledgerrc" + "Location of the ledger initialization file. nil if you don't have one." + :type 'file + :group 'ledger-exec) + +(defvar ledger-environment-alist nil + "Variable to hold details about ledger-mode's environment. + +Adding the dotted pair (\"decimal-comma\" . t) will tell ledger +to treat commas as decimal separator.") + +(defcustom ledger-default-date-format "%Y/%m/%d" + "The date format that ledger uses throughout. +Set this to the value of `ledger-iso-date-format' if you prefer +ISO 8601 dates." + :type 'string + :package-version '(ledger-mode . "4.0.0") + :group 'ledger) + +(defconst ledger-iso-date-format "%Y-%m-%d" + "The format for ISO 8601 dates.") + +(defun ledger-format-date (&optional date) + "Format DATE according to the current preferred date format. +Returns the current date if DATE is nil or not supplied." + (format-time-string + (or (cdr (assoc "input-date-format" ledger-environment-alist)) + ledger-default-date-format) + date)) + + +(defun ledger-init-parse-initialization (buffer) + "Parse the .ledgerrc file in BUFFER." + (with-current-buffer buffer + (let (environment-alist) + (goto-char (point-min)) + (while (re-search-forward ledger-init-string-regex nil t ) + (let ((matchb (match-beginning 0)) ;; save the match data, string-match stamp on it + (matche (match-end 0))) + (end-of-line) + (setq environment-alist + (append environment-alist + (list (cons (let ((flag (buffer-substring-no-properties (+ 2 matchb) matche))) + (if (string-match "[ \t\n\r]+\\'" flag) + (replace-match "" t t flag) + flag)) + (let ((value (buffer-substring-no-properties matche (point) ))) + (if (> (length value) 0) + value + t)))))))) + environment-alist))) + +(defun ledger-init-load-init-file () + "Load and parse the .ledgerrc file." + (interactive) + (let ((init-base-name (file-name-nondirectory ledger-init-file-name))) + (if (get-buffer init-base-name) ;; init file already loaded, parse it and leave it + (setq ledger-environment-alist + (ledger-init-parse-initialization init-base-name)) + (when (and ledger-init-file-name + (file-exists-p ledger-init-file-name) + (file-readable-p ledger-init-file-name)) + (let ((init-buffer (find-file-noselect ledger-init-file-name))) + (setq ledger-environment-alist + (ledger-init-parse-initialization init-buffer)) + (kill-buffer init-buffer)))))) + +(provide 'ledger-init) + +;;; ledger-init.el ends here |