e3b37ac19e
Mostly went through and clarified variable names. Rather than "entry" for everything, use "transaction" and "posting" as appropriate to improve readability.
196 lines
6.9 KiB
EmacsLisp
196 lines
6.9 KiB
EmacsLisp
;;; ldg-post.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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(require 'ldg-regex)
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(defgroup ledger-post nil
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""
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:group 'ledger)
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(defcustom ledger-post-auto-adjust-amounts nil
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"If non-nil, ."
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:type 'boolean
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:group 'ledger-post)
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(defcustom ledger-post-amount-alignment-column 52
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"If non-nil, ."
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:type 'integer
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:group 'ledger-post)
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(defcustom ledger-post-use-iswitchb nil
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"If non-nil, ."
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:type 'boolean
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:group 'ledger-post)
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(defcustom ledger-post-use-ido nil
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"If non-nil, ."
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:type 'boolean
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:group 'ledger-post)
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(defun ledger-post-all-accounts ()
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(let ((origin (point))
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(ledger-post-list nil)
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account elements)
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(save-excursion
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(goto-char (point-min))
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(while (re-search-forward ledger-post-line-regexp nil t)
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(unless (and (>= origin (match-beginning 0))
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(< origin (match-end 0)))
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(add-to-list 'ledger-post-list (ledger-regex-post-line-account))))
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(nreverse ledger-post-list))))
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(declare-function iswitchb-read-buffer "iswitchb"
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(prompt &optional default require-match start matches-set))
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(defvar iswitchb-temp-buflist)
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(defun ledger-post-completing-read (prompt choices)
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"Use iswitchb as a completing-read replacement to choose from choices.
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PROMPT is a string to prompt with. CHOICES is a list of strings
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to choose from."
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(cond
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(ledger-post-use-iswitchb
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(let* ((iswitchb-use-virtual-buffers nil)
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(iswitchb-make-buflist-hook
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(lambda ()
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(setq iswitchb-temp-buflist choices))))
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(iswitchb-read-buffer prompt)))
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(ledger-post-use-ido
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(ido-completing-read prompt choices))
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(t
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(completing-read prompt choices))))
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(defvar ledger-post-current-list nil)
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(defun ledger-post-pick-account ()
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(interactive)
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(let* ((account
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(ledger-post-completing-read
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"Account: " (or ledger-post-current-list
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(setq ledger-post-current-list
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(ledger-post-all-accounts)))))
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(account-len (length account))
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(pos (point)))
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(goto-char (line-beginning-position))
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(when (re-search-forward ledger-post-line-regexp (line-end-position) t)
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(let ((existing-len (length (ledger-regex-post-line-account))))
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(goto-char (match-beginning ledger-regex-post-line-group-account))
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(delete-region (match-beginning ledger-regex-post-line-group-account)
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(match-end ledger-regex-post-line-group-account))
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(insert account)
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(cond
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((> existing-len account-len)
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(insert (make-string (- existing-len account-len) ? )))
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((< existing-len account-len)
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(dotimes (n (- account-len existing-len))
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(if (looking-at "[ \t]\\( [ \t]\\|\t\\)")
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(delete-char 1)))))))
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(goto-char pos)))
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(defun ledger-next-amount (&optional end)
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(when (re-search-forward "\\( \\|\t\\| \t\\)[ \t]*-?\\([A-Z$€£]+ *\\)?\\(-?[0-9,]+?\\)\\(.[0-9]+\\)?\\( *[A-Z$€£]+\\)?\\([ \t]*@@?[^\n;]+?\\)?\\([ \t]+;.+?\\)?$" (marker-position end) t)
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(goto-char (match-beginning 0))
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(skip-syntax-forward " ")
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(- (or (match-end 4)
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(match-end 3)) (point))))
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(defun ledger-align-amounts (&optional column)
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"Align amounts in the current region.
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This is done so that the last digit falls in COLUMN, which defaults to 52."
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(interactive "p")
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(if (or (null column) (= column 1))
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(setq column ledger-post-amount-alignment-column))
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(save-excursion
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(let* ((mark-first (< (mark) (point)))
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(begin (if mark-first (mark) (point)))
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(end (if mark-first (point-marker) (mark-marker)))
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offset)
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(goto-char begin)
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(while (setq offset (ledger-next-amount end))
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(let ((col (current-column))
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(target-col (- column offset))
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adjust)
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(setq adjust (- target-col col))
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(if (< col target-col)
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(insert (make-string (- target-col col) ? ))
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(move-to-column target-col)
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(if (looking-back " ")
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(delete-char (- col target-col))
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(skip-chars-forward "^ \t")
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(delete-horizontal-space)
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(insert " ")))
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(forward-line))))))
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(defun ledger-post-align-amount ()
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(interactive)
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(save-excursion
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(set-mark (line-beginning-position))
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(goto-char (1+ (line-end-position)))
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(ledger-align-amounts)))
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(defun ledger-post-maybe-align (beg end len)
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(save-excursion
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(goto-char beg)
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(when (< end (line-end-position))
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(goto-char (line-beginning-position))
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(if (looking-at ledger-post-line-regexp)
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(ledger-post-align-amount)))))
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(defun ledger-post-edit-amount ()
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(interactive)
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(goto-char (line-beginning-position))
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(when (re-search-forward ledger-post-line-regexp (line-end-position) t)
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(goto-char (match-end ledger-regex-post-line-group-account)) ;go to the and of the account
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(let ((end-of-amount (re-search-forward "[-.,0-9]+" (line-end-position) t))) ;determine if there is an amount to edit
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(if end-of-amount
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(let ((val (match-string 0)))
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(goto-char (match-beginning 0))
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(delete-region (match-beginning 0) (match-end 0))
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(calc)
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(while (string-match "," val)
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(setq val (replace-match "" nil nil val))) ;gets rid of commas
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(calc-eval val 'push)) ;edit the amount
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(progn ;make sure there are two spaces after the account name and go to calc
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(if (search-backward " " (- (point) 3) t)
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(goto-char (line-end-position))
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(insert " "))
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(calc))))))
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(defun ledger-post-prev-xact ()
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(interactive)
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(backward-paragraph)
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(when (re-search-backward ledger-xact-line-regexp nil t)
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(goto-char (match-beginning 0))
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(re-search-forward ledger-post-line-regexp)
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(goto-char (match-end ledger-regex-post-line-group-account))))
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(defun ledger-post-next-xact ()
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(interactive)
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(when (re-search-forward ledger-xact-line-regexp nil t)
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(goto-char (match-beginning 0))
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(re-search-forward ledger-post-line-regexp)
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(goto-char (match-end ledger-regex-post-line-group-account))))
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(defun ledger-post-setup ()
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(if ledger-post-auto-adjust-amounts
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(add-hook 'after-change-functions 'ledger-post-maybe-align t t))
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(add-hook 'after-save-hook #'(lambda () (setq ledger-post-current-list nil))))
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(provide 'ldg-post)
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