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-;;; ledger-xact.el --- Helper code for use with the "ledger" command-line tool
-
-;; 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:
-;;
-
-;;; Code:
-
-
-(defun ledger-sort-find-start ()
- "Find the beginning of a sort region"
- (if (re-search-forward ";.*Ledger-mode:.*Start sort" nil t)
- (match-end 0)))
-
-(defun ledger-sort-find-end ()
- "Find the end of a sort region"
- (if (re-search-forward ";.*Ledger-mode:.*End sort" nil t)
- (match-end 0)))
-
-(defun ledger-sort-insert-start-mark ()
- "Insert a marker to start a sort region"
- (interactive)
- (save-excursion
- (goto-char (point-min))
- (if (ledger-sort-find-start)
- (delete-region (match-beginning 0) (match-end 0))))
- (beginning-of-line)
- (insert "\n; Ledger-mode: Start sort\n\n"))
-
-(defun ledger-sort-insert-end-mark ()
- "Insert a marker to end a sort region"
- (interactive)
- (save-excursion
- (goto-char (point-min))
- (if (ledger-sort-find-end)
- (delete-region (match-beginning 0) (match-end 0))))
- (beginning-of-line)
- (insert "\n; Ledger-mode: End sort\n\n"))
-
-(defun ledger-sort-startkey ()
- "Return the actual date so the sort-subr doesn't sort onthe entire first line."
- (buffer-substring-no-properties (point) (+ 10 (point))))
-
-(defun ledger-sort-region (beg end)
- "Sort the region from BEG to END in chronological order."
- (interactive "r") ;; load beg and end from point and mark
- ;; automagically
- (let ((new-beg beg)
- (new-end end)
- point-delta
- (bounds (ledger-navigate-find-xact-extents (point)))
- target-xact)
-
- (setq point-delta (- (point) (car bounds)))
- (setq target-xact (buffer-substring (car bounds) (cadr bounds)))
- (setq inhibit-modification-hooks t)
- (save-excursion
- (save-restriction
- (goto-char beg)
- ;; make sure point is at the beginning of a xact
- (ledger-navigate-next-xact)
- (unless (looking-at ledger-payee-any-status-regex)
- (ledger-navigate-next-xact))
- (setq new-beg (point))
- (goto-char end)
- (ledger-navigate-next-xact)
- ;; make sure end of region is at the beginning of next record
- ;; after the region
- (setq new-end (point))
- (narrow-to-region new-beg new-end)
- (goto-char new-beg)
-
- (let ((inhibit-field-text-motion t))
- (sort-subr
- nil
- 'ledger-navigate-next-xact
- 'ledger-navigate-end-of-xact
- 'ledger-sort-startkey))))
-
- (goto-char (point-min))
- (re-search-forward (regexp-quote target-xact))
- (goto-char (+ (match-beginning 0) point-delta))
- (setq inhibit-modification-hooks nil)))
-
-(defun ledger-sort-buffer ()
- "Sort the entire buffer."
- (interactive)
- (let (sort-start
- sort-end)
- (save-excursion
- (goto-char (point-min))
- (setq sort-start (ledger-sort-find-start)
- sort-end (ledger-sort-find-end)))
- (ledger-sort-region (if sort-start
- sort-start
- (point-min))
- (if sort-end
- sort-end
- (point-max)))))
-
-(provide 'ledger-sort)
-
-;;; ledger-sort.el ends here