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;;; ledger-check.el --- Helper code for use with the "ledger" command-line tool -*- lexical-binding: t; -*-
;; Copyright (C) 2015 Craig Earls (enderw88 AT gmail DOT com)
;; 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:
;; Provide secial mode to correct errors in ledger when running with --strict and --explicit
;;
;; Adapted to ledger mode by Craig Earls <enderw88 at gmail dot com>
;;; Code:
(require 'easymenu)
(require 'ledger-navigate)
(require 'ledger-report) ; for ledger-master-file
(defvar ledger-check-buffer-name "*Ledger Check*")
(defvar ledger-original-window-cfg nil)
(defvar ledger-check-mode-map
(let ((map (make-sparse-keymap)))
(define-key map [return] 'ledger-report-visit-source)
(define-key map [?q] 'ledger-check-quit)
map)
"Keymap for `ledger-check-mode'.")
(easy-menu-define ledger-check-mode-menu ledger-check-mode-map
"Ledger check menu"
'("Check"
;; ["Re-run Check" ledger-check-redo]
"---"
["Visit Source" ledger-report-visit-source]
"---"
["Quit" ledger-check-quit]
))
(define-derived-mode ledger-check-mode text-mode "Ledger-Check"
"A mode for viewing ledger errors and warnings.")
(defun ledger-do-check ()
"Run a check command ."
(goto-char (point-min))
(let ((data-pos (point))
(have-warnings nil))
(shell-command
;; ledger balance command will just return empty if you give it
;; an account name that doesn't exist. I will assume that no
;; one will ever have an account named "e342asd2131". If
;; someones does, this will probably still work for them.
;; I should only highlight error and warning lines.
"ledger bal e342asd2131 --strict --explicit "
t nil)
(goto-char data-pos)
;; format check report to make it navigate the file
(while (re-search-forward "^.*: \"\\(.*\\)\", line \\([0-9]+\\)" nil t)
(let ((file (match-string 1))
(line (string-to-number (match-string 2))))
(when file
(set-text-properties (line-beginning-position) (line-end-position)
(list 'ledger-source (cons file (save-window-excursion
(save-excursion
(find-file file)
(widen)
(ledger-navigate-to-line line)
(point-marker))))))
(add-text-properties (line-beginning-position) (line-end-position)
(list 'font-lock-face 'ledger-font-report-clickable-face))
(setq have-warnings 'true)
(end-of-line))))
(if (not have-warnings)
(insert "No errors or warnings reported."))))
(defun ledger-check-goto ()
"Goto the ledger check buffer."
(interactive)
(let ((rbuf (get-buffer ledger-check-buffer-name)))
(if (not rbuf)
(error "There is no ledger check buffer"))
(pop-to-buffer rbuf)
(shrink-window-if-larger-than-buffer)))
(defun ledger-check-quit ()
"Quit the ledger check buffer."
(interactive)
(ledger-check-goto)
(set-window-configuration ledger-original-window-cfg)
(kill-buffer (get-buffer ledger-check-buffer-name)))
(defun ledger-check-buffer ()
"Run ledge with --explicit and --strict report errors and assist with fixing them.
The output buffer will be in `ledger-check-mode', which defines
commands for navigating the buffer to the errors found, etc."
(interactive
(progn
(when (and (buffer-modified-p)
(y-or-n-p "Buffer modified, save it? "))
(save-buffer))))
(let ((_buf (find-file-noselect (ledger-master-file)))
(cbuf (get-buffer ledger-check-buffer-name))
(wcfg (current-window-configuration)))
(if cbuf
(kill-buffer cbuf))
(with-current-buffer
(pop-to-buffer (get-buffer-create ledger-check-buffer-name))
(ledger-check-mode)
(set (make-local-variable 'ledger-original-window-cfg) wcfg)
(ledger-do-check)
(shrink-window-if-larger-than-buffer)
(set-buffer-modified-p nil)
(setq buffer-read-only t)
(message "q to quit; r to redo; k to kill"))))
(provide 'ledger-check)
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