126 lines
3.7 KiB
EmacsLisp
126 lines
3.7 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 ledger-payee-any-status-regex 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-find-start ()
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(if (re-search-forward ";.*Ledger-mode:.*Start sort" nil t)
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(match-end 0)))
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(defun ledger-sort-find-end ()
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(if (re-search-forward ";.*Ledger-mode:.*End sort" nil t)
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(match-end 0)))
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(defun ledger-sort-insert-start-mark ()
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(interactive)
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(save-excursion
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(goto-char (point-min))
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(if (ledger-sort-find-start)
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(delete-region (match-beginning 0) (match-end 0))))
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(beginning-of-line)
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(insert "\n; Ledger-mode: Start sort\n\n"))
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(defun ledger-sort-insert-end-mark ()
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(interactive)
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(save-excursion
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(goto-char (point-min))
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(if (ledger-sort-find-end)
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(delete-region (match-beginning 0) (match-end 0))))
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(beginning-of-line)
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(insert "\n; Ledger-mode: End sort\n\n"))
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(defun ledger-sort-startkey ()
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"Return the actual date so the sort-subr doesn't sort onthe entire first line."
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(buffer-substring-no-properties (point) (+ 10 (point))))
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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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point-delta
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(bounds (ledger-find-xact-extents (point)))
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target-xact)
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(setq point-delta (- (point) (car bounds)))
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(setq target-xact (buffer-substring (car bounds) (cadr bounds)))
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(setq inhibit-modification-hooks t)
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(save-excursion
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(save-restriction
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(goto-char beg)
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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 new-beg new-end)
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(goto-char new-beg)
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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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'ledger-sort-startkey))))
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(goto-char (point-min))
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(re-search-forward (regexp-quote target-xact))
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(goto-char (+ (match-beginning 0) point-delta))
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(setq inhibit-modification-hooks nil)))
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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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(let (sort-start
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sort-end)
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(save-excursion
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(goto-char (point-min))
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(setq sort-start (ledger-sort-find-start)
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sort-end (ledger-sort-find-end)))
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(ledger-sort-region (if sort-start
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sort-start
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(point-min))
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(if sort-end
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sort-end
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(point-max)))))
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(provide 'ldg-sort)
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;;; ldg-sort.el ends here
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