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author | Craig Earls <enderw88@gmail.com> | 2013-07-02 15:37:33 -0700 |
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committer | Craig Earls <enderw88@gmail.com> | 2013-07-02 15:37:33 -0700 |
commit | 63ba45dbaab04722cd59bf610ae77b8334ca213d (patch) | |
tree | bd0b1b22729a38b99d24bc1b1bc490a42e3acf53 /lisp/ldg-occur.el | |
parent | 5b8817c8e8bb7524734d7f39ab6a170b856c6e90 (diff) | |
download | fork-ledger-63ba45dbaab04722cd59bf610ae77b8334ca213d.tar.gz fork-ledger-63ba45dbaab04722cd59bf610ae77b8334ca213d.tar.bz2 fork-ledger-63ba45dbaab04722cd59bf610ae77b8334ca213d.zip |
Finished changing name to ledger-*
All files and references changed ldg-* to ledger-*
Diffstat (limited to 'lisp/ldg-occur.el')
-rw-r--r-- | lisp/ldg-occur.el | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/lisp/ldg-occur.el b/lisp/ldg-occur.el deleted file mode 100644 index 451ad1a7..00000000 --- a/lisp/ldg-occur.el +++ /dev/null @@ -1,192 +0,0 @@ -;;; ldg-mode.el --- Helper code for use with the "ledger" command-line tool - -;; Copyright (C) 2003-2013 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., 59 Temple Place - Suite 330, Boston, -;; MA 02111-1307, USA. - -;;; Commentary: -;; Provide buffer narrowing to ledger mode. Adapted from original loccur -;; mode by Alexey Veretennikov <alexey dot veretennikov at gmail dot -;; com> -;; -;; Adapted to ledger mode by Craig Earls <enderww at gmail dot -;; com> - -;;; Code: - -(defconst ledger-occur-overlay-property-name 'ledger-occur-custom-buffer-grep) - -(defcustom ledger-occur-use-face-shown t - "If non-nil, use a custom face for xacts shown in `ledger-occur' mode using ledger-occur-xact-face." - :type 'boolean - :group 'ledger) -(make-variable-buffer-local 'ledger-occur-use-face-shown) - - -(defvar ledger-occur-mode nil - "name of the minor mode, shown in the mode-line") - -(make-variable-buffer-local 'ledger-occur-mode) - -(or (assq 'ledger-occur-mode minor-mode-alist) - (nconc minor-mode-alist - (list '(ledger-occur-mode ledger-occur-mode)))) - -(defvar ledger-occur-history nil - "History of previously searched expressions for the prompt.") - -(defvar ledger-occur-last-match nil - "Last match found.") -(make-variable-buffer-local 'ledger-occur-last-match) - -(defun ledger-occur-remove-all-overlays () - "Remove all overlays from the ledger buffer." - (interactive) - (remove-overlays)) - -(defun ledger-occur-mode (regex buffer) - "Highlight transactions that match REGEX in BUFFER, hiding others. - -When REGEX is nil, unhide everything, and remove higlight" - (set-buffer buffer) - (setq ledger-occur-mode - (if (or (null regex) - (zerop (length regex))) - nil - (concat " Ledger-Narrowed: " regex))) - (force-mode-line-update) - (ledger-occur-remove-overlays) - (when ledger-occur-mode - (ledger-occur-create-overlays - (ledger-occur-compress-matches - (ledger-occur-find-matches regex))) - (setq ledger-occur-last-match regex) - (if (get-buffer-window buffer) - (select-window (get-buffer-window buffer)))) - (recenter)) - -(defun ledger-occur (regex) - "Perform a simple grep in current buffer for the regular expression REGEX. - - This command hides all xact from the current buffer except - those containing the regular expression REGEX. A second call - of the function unhides lines again" - (interactive - (if ledger-occur-mode - (list nil) - (list (read-string (concat "Regexp<" (ledger-occur-prompt) ">: ") - nil 'ledger-occur-history (ledger-occur-prompt))))) - (ledger-occur-mode regex (current-buffer))) - -(defun ledger-occur-prompt () - "Return the default value of the prompt. - - Default value for prompt is a current word or active - region(selection), if its size is 1 line" - (let ((prompt - (if (and transient-mark-mode - mark-active) - (let ((pos1 (region-beginning)) - (pos2 (region-end))) - ;; Check if the start and the of an active region is on - ;; the same line - (if (= (line-number-at-pos pos1) - (line-number-at-pos pos2)) - (buffer-substring-no-properties pos1 pos2))) - (current-word)))) - prompt)) - - -(defun ledger-occur-make-visible-overlay (beg end) - (let ((ovl (make-overlay beg end (current-buffer)))) - (overlay-put ovl ledger-occur-overlay-property-name t) - (overlay-put ovl 'face 'ledger-occur-xact-face))) - -(defun ledger-occur-make-invisible-overlay (beg end) - (let ((ovl (make-overlay beg end (current-buffer)))) - (overlay-put ovl ledger-occur-overlay-property-name t) - (overlay-put ovl 'invisible t))) - -(defun ledger-occur-create-overlays (ovl-bounds) - "Create the overlays for the visible transactions. -Argument OVL-BOUNDS contains bounds for the transactions to be left visible." - (let* ((beg (caar ovl-bounds)) - (end (cadar ovl-bounds))) - (ledger-occur-make-invisible-overlay (point-min) (1- beg)) - (dolist (visible (cdr ovl-bounds)) - (ledger-occur-make-visible-overlay beg end) - (ledger-occur-make-invisible-overlay (1+ end) (1- (car visible))) - (setq beg (car visible)) - (setq end (cadr visible))) - (ledger-occur-make-invisible-overlay (1+ end) (point-max)))) - -(defun ledger-occur-quit-buffer (buffer) - "Quits hidings transaction in the given BUFFER. -Used for coordinating `ledger-occur' with other buffers, like reconcile." - (set-buffer buffer) - (setq ledger-occur-mode nil) - (force-mode-line-update) - (ledger-occur-remove-overlays) - (recenter)) - -(defun ledger-occur-remove-overlays () - "Remove the transaction hiding overlays." - (interactive) - (remove-overlays (point-min) - (point-max) ledger-occur-overlay-property-name t) - (setq ledger-occur-overlay-list nil)) - -(defun ledger-occur-find-matches (regex) - "Return a list of 2-number tuples describing the beginning and end of transactions meeting REGEX." - (save-excursion - (goto-char (point-min)) - ;; Set initial values for variables - (let (curpoint - endpoint - (lines (list))) - ;; Search loop - (while (not (eobp)) - (setq curpoint (point)) - ;; if something found - (when (setq endpoint (re-search-forward regex nil 'end)) - (save-excursion - (let ((bounds (ledger-find-xact-extents (match-beginning 0)))) - (push bounds lines) - (setq curpoint (cadr bounds)))) ;; move to the end of - ;; the xact, no need to - ;; search inside it more - (goto-char curpoint)) - (forward-line 1)) - (setq lines (nreverse lines))))) - -(defun ledger-occur-compress-matches (buffer-matches) - "identify sequential xacts to reduce number of overlays required" - (let ((points (list)) - (current-beginning (caar buffer-matches)) - (current-end (cadar buffer-matches))) - (dolist (match (cdr buffer-matches)) - (if (< (- (car match) current-end) 2) - (setq current-end (cadr match)) - (push (list current-beginning current-end) points) - (setq current-beginning (car match)) - (setq current-end (cadr match)))) - (nreverse (push (list current-beginning current-end) points)))) - -(provide 'ldg-occur) - -;;; ldg-occur.el ends here |