73 lines
2.2 KiB
EmacsLisp
73 lines
2.2 KiB
EmacsLisp
;;; ldg-xact.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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;;
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;;; Code:
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(defun ledger-next-record-function ()
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"Move point to next transaction."
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(if (re-search-forward
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(concat "^[0-9/.=-]+\\(\\s-+\\*\\)?\\(\\s-+(.*?)\\)?\\s-+"
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"\\(.+?\\)\\(\t\\|\n\\| [ \t]\\)") nil t)
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(goto-char (match-beginning 0))
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(goto-char (point-max))))
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(defun ledger-end-record-function ()
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"Move point to end of transaction."
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(forward-paragraph))
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(defun ledger-sort-region (beg end)
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"Sort the region from BEG to END in chronological order."
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(interactive "r") ;; load beg and end from point and mark
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;; automagically
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(let ((new-beg beg)
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(new-end end))
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(save-excursion
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(save-restriction
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(ledger-next-record-function) ;; make sure point is at the
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;; beginning of a xact
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(setq new-beg (point))
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(goto-char end)
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(ledger-next-record-function) ;; make sure end of region is at
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;; the beginning of next record
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;; after the region
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(setq new-end (point))
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(narrow-to-region beg end)
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(goto-char (point-min))
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(let ((inhibit-field-text-motion t))
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(sort-subr
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nil
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'ledger-next-record-function
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'ledger-end-record-function))))))
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(defun ledger-sort-buffer ()
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"Sort the entire buffer."
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(interactive)
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(ledger-sort-region (point-min) (point-max)))
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(provide 'ldg-sort)
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;;; ldg-sort.el ends here
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