/usr/share/emacs/site-lisp/elpa-src/ledger-3.1.2/ledger-xact.el is in elpa-ledger 3.1.2~pre1+g3a00e1c+dfsg1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 | ;;; 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:
;; Utilities for running ledger synchronously.
;;; Code:
(require 'eshell)
(require 'ledger-regex)
(require 'ledger-navigate)
(defvar ledger-year)
(defvar ledger-month)
(declare-function ledger-read-date "ledger-mode" (prompt))
(declare-function ledger-next-amount "ledger-post" (&optional end))
(declare-function ledger-exec-ledger "ledger-exec" (input-buffer &optional output-buffer &rest args))
(declare-function ledger-post-align-postings "ledger-post" (&optional beg end))
;; TODO: This file depends on code in ledger-mode.el, which depends on this.
(defcustom ledger-highlight-xact-under-point t
"If t highlight xact under point."
:type 'boolean
:group 'ledger)
(defcustom ledger-use-iso-dates nil
"If non-nil, use the iso-8601 format for dates (YYYY-MM-DD)."
:type 'boolean
:group 'ledger
:safe t)
(defvar ledger-xact-highlight-overlay (list))
(make-variable-buffer-local 'ledger-xact-highlight-overlay)
(defun ledger-highlight-make-overlay ()
(let ((ovl (make-overlay 1 1)))
(overlay-put ovl 'font-lock-face 'ledger-font-xact-highlight-face)
(overlay-put ovl 'priority '(nil . 99))
ovl))
(defun ledger-highlight-xact-under-point ()
"Move the highlight overlay to the current transaction."
(when ledger-highlight-xact-under-point
(unless ledger-xact-highlight-overlay
(setq ledger-xact-highlight-overlay (ledger-highlight-make-overlay)))
(let ((exts (ledger-navigate-find-element-extents (point))))
(let ((b (car exts))
(e (cadr exts))
(p (point)))
(if (and (> (- e b) 1) ; not an empty line
(<= p e) (>= p b)) ; point is within the boundaries
(move-overlay ledger-xact-highlight-overlay b (+ 1 e))
(move-overlay ledger-xact-highlight-overlay 1 1))))))
(defun ledger-xact-payee ()
"Return the payee of the transaction containing point or nil."
(let ((i 0))
(while (eq (ledger-context-line-type (ledger-context-other-line i)) 'acct-transaction)
(setq i (- i 1)))
(let ((context-info (ledger-context-other-line i)))
(if (eq (ledger-context-line-type context-info) 'xact)
(ledger-context-field-value context-info 'payee)
nil))))
(defun ledger-time-less-p (t1 t2)
"Say whether time value T1 is less than time value T2."
(or (< (car t1) (car t2))
(and (= (car t1) (car t2))
(< (nth 1 t1) (nth 1 t2)))))
(defun ledger-xact-find-slot (moment)
"Find the right place in the buffer for a transaction at MOMENT.
MOMENT is an encoded date"
(let (last-xact-start)
(catch 'found
(ledger-xact-iterate-transactions
(function
(lambda (start date mark desc)
(setq last-xact-start start)
(if (ledger-time-less-p moment date)
(throw 'found t))))))
(when (and (eobp) last-xact-start)
(let ((end (cadr (ledger-navigate-find-xact-extents last-xact-start))))
(goto-char end)
(insert "\n")
(forward-line)))))
(defun ledger-xact-iterate-transactions (callback)
"Iterate through each transaction call CALLBACK for each."
(goto-char (point-min))
(let* ((now (current-time))
(current-year (nth 5 (decode-time now))))
(while (not (eobp))
(when (looking-at ledger-iterate-regex)
(let ((found-y-p (match-string 2)))
(if found-y-p
(setq current-year (string-to-number found-y-p)) ;; a Y directive was found
(let ((start (match-beginning 0))
(year (match-string 4))
(month (string-to-number (match-string 5)))
(day (string-to-number (match-string 6)))
(mark (match-string 7))
(code (match-string 8))
(desc (match-string 9)))
(if (and year (> (length year) 0))
(setq year (string-to-number year)))
(funcall callback start
(encode-time 0 0 0 day month
(or year current-year))
mark desc)))))
(forward-line))))
(defun ledger-year-and-month ()
"Return the current year and month, separated by / (or -, depending on LEDGER-USE-ISO-DATES)."
(let ((sep (if ledger-use-iso-dates
"-"
"/")))
(concat ledger-year sep ledger-month sep)))
(defun ledger-copy-transaction-at-point (date)
"Ask for a new DATE and copy the transaction under point to that date. Leave point on the first amount."
(interactive (list
(ledger-read-date "Copy to date: ")))
(let* ((here (point))
(extents (ledger-navigate-find-xact-extents (point)))
(transaction (buffer-substring-no-properties (car extents) (cadr extents)))
encoded-date)
(if (string-match ledger-iso-date-regexp date)
(setq encoded-date
(encode-time 0 0 0 (string-to-number (match-string 4 date))
(string-to-number (match-string 3 date))
(string-to-number (match-string 2 date)))))
(ledger-xact-find-slot encoded-date)
(insert transaction "\n")
(beginning-of-line -1)
(ledger-navigate-beginning-of-xact)
(re-search-forward ledger-iso-date-regexp)
(replace-match date)
(ledger-next-amount)
(if (re-search-forward "[-0-9]")
(goto-char (match-beginning 0)))))
(defun ledger-delete-current-transaction (pos)
"Delete the transaction surrounging POS."
(interactive "d")
(let ((bounds (ledger-navigate-find-xact-extents pos)))
(delete-region (car bounds) (cadr bounds))))
(defun ledger-add-transaction (transaction-text &optional insert-at-point)
"Use ledger xact TRANSACTION-TEXT to add a transaction to the buffer.
If INSERT-AT-POINT is non-nil insert the transaction there,
otherwise call `ledger-xact-find-slot' to insert it at the
correct chronological place in the buffer."
(interactive (list
;; Note: This isn't "just" the date - it can contain
;; other text too
(ledger-read-date "Transaction: ")))
(let* ((args (with-temp-buffer
(insert transaction-text)
(eshell-parse-arguments (point-min) (point-max))))
(ledger-buf (current-buffer))
exit-code)
(unless insert-at-point
(let ((date (car args)))
(if (string-match ledger-iso-date-regexp date)
(setq date
(encode-time 0 0 0 (string-to-number (match-string 4 date))
(string-to-number (match-string 3 date))
(string-to-number (match-string 2 date)))))
(ledger-xact-find-slot date)))
(if (> (length args) 1)
(save-excursion
(insert
(with-temp-buffer
(setq exit-code
(apply #'ledger-exec-ledger ledger-buf (current-buffer) "xact"
(mapcar 'eval args)))
(goto-char (point-min))
(if (looking-at "Error: ")
(error (concat "Error in ledger-add-transaction: " (buffer-string)))
(ledger-post-align-postings (point-min) (point-max))
(buffer-string)))
"\n"))
(progn
(insert (car args) " \n\n")
(end-of-line -1)))))
(provide 'ledger-xact)
;;; ledger-xact.el ends here
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