36e77bd357
Altered menu creation so that menu functions are disable if there is no ledger executable available command keys will also warn if ledger isn't working remove a debug message from leg-sort
222 lines
9.6 KiB
EmacsLisp
222 lines
9.6 KiB
EmacsLisp
;;; ldg-mode.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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(defsubst ledger-current-year ()
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(format-time-string "%Y"))
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(defsubst ledger-current-month ()
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(format-time-string "%m"))
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(defvar ledger-year (ledger-current-year)
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"Start a ledger session with the current year, but make it
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customizable to ease retro-entry.")
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(defvar ledger-month (ledger-current-month)
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"Start a ledger session with the current month, but make it
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customizable to ease retro-entry.")
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(defcustom ledger-default-acct-transaction-indent " "
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"Default indentation for account transactions in an entry."
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:type 'string
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:group 'ledger)
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(defvar ledger-mode-abbrev-table)
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(defmacro ledger-run-if-works (func-to-call)
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"Macro to run func-to-call only if the ledger-works variable is non-nil"
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`(lambda ()
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(interactive)
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(if ledger-works
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(funcall ,func-to-call)
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(message "Cannot run ledger, check your ledger executable"))))
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;;;###autoload
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(define-derived-mode ledger-mode text-mode "Ledger"
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"A mode for editing ledger data files."
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(ledger-check-version)
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(ledger-post-setup)
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(set (make-local-variable 'comment-start) " ; ")
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(set (make-local-variable 'comment-end) "")
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(set (make-local-variable 'indent-tabs-mode) nil)
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(if (boundp 'font-lock-defaults)
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(set (make-local-variable 'font-lock-defaults)
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'(ledger-font-lock-keywords nil t)))
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(set (make-local-variable 'pcomplete-parse-arguments-function)
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'ledger-parse-arguments)
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(set (make-local-variable 'pcomplete-command-completion-function)
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'ledger-complete-at-point)
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(set (make-local-variable 'pcomplete-termination-string) "")
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(let ((map (current-local-map)))
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(define-key map [(control ?c) (control ?a)] (ledger-run-if-works 'ledger-add-entry))
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(define-key map [(control ?c) (control ?d)] 'ledger-delete-current-entry)
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(define-key map [(control ?c) (control ?y)] (ledger-run-if-works 'ledger-set-year))
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(define-key map [(control ?c) (control ?m)] (ledger-run-if-works 'ledger-set-month))
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(define-key map [(control ?c) (control ?c)] 'ledger-toggle-current)
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(define-key map [(control ?c) (control ?e)] 'ledger-toggle-current-entry)
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(define-key map [(control ?c) (control ?r)] (ledger-run-if-works 'ledger-reconcile))
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(define-key map [(control ?c) (control ?s)] 'ledger-sort-region)
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(define-key map [(control ?c) (control ?t)] (ledger-run-if-works 'ledger-test-run))
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(define-key map [tab] 'pcomplete)
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(define-key map [(control ?i)] 'pcomplete)
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(define-key map [(control ?c) tab] 'ledger-fully-complete-entry)
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(define-key map [(control ?c) (control ?i)] 'ledger-fully-complete-entry)
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(define-key map [(control ?c) (control ?o) (control ?r)] (ledger-run-if-works 'ledger-report))
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(define-key map [(control ?c) (control ?o) (control ?g)] (ledger-run-if-works 'ledger-report-goto))
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(define-key map [(control ?c) (control ?o) (control ?a)] (ledger-run-if-works 'ledger-report-redo))
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(define-key map [(control ?c) (control ?o) (control ?s)] (ledger-run-if-works 'ledger-report-save))
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(define-key map [(control ?c) (control ?o) (control ?e)] (ledger-run-if-works 'ledger-report-edit))
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(define-key map [(control ?c) (control ?o) (control ?k)] (ledger-run-if-works 'ledger-report-kill))
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(define-key map [menu-bar] (make-sparse-keymap "ldg-menu"))
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(define-key map [menu-bar ldg-menu] (cons "Ledger" map))
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(define-key map [report-kill] '(menu-item "Kill Report" ledger-report-kill :enable ledger-works))
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(define-key map [report-edit] '(menu-item "Edit Report" ledger-report-edit :enable ledger-works))
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(define-key map [report-save] '(menu-item "Save Report" ledger-report-save :enable ledger-works))
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(define-key map [report-rrun] '(menu-item "Re-run Report" ledger-report-redo :enable ledger-works))
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(define-key map [report-goto] '(menu-item "Goto Report" ledger-report-goto :enable ledger-works))
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(define-key map [report-run] '(menu-item "Run Report" ledger-report :enable ledger-works))
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(define-key map [sep5] '(menu-item "--"))
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(define-key map [set-month] '(menu-item "Set Month" ledger-set-month :enable ledger-works))
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(define-key map [set-year] '(menu-item "Set Year" ledger-set-year :enable ledger-works))
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(define-key map [sep1] '("--"))
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(define-key map [sort-buff] '(menu-item "Sort Buffer" ledger-sort-buffer))
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(define-key map [sort-reg] '(menu-item "Sort Region" ledger-sort-region :enable mark-active))
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(define-key map [sep2] '(menu-item "--"))
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(define-key map [toggle-post] '(menu-item "Toggle Current Posting" ledger-toggle-current))
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(define-key map [toggle-xact] '(menu-item "Toggle Current Transaction" ledger-toggle-current-entry))
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(define-key map [sep4] '(menu-item "--"))
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(define-key map [delete-xact] '(menu-item "Delete Entry" ledger-delete-current-entry))
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(define-key map [add-xact] '(menu-item "Add Entry" ledger-add-entry :enable ledger-works))
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(define-key map [sep3] '(menu-item "--"))
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(define-key map [reconcile] '(menu-item "Reconcile Account" ledger-reconcile :enable ledger-works))))
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(defun ledger-time-less-p (t1 t2)
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"Say whether time value T1 is less than time value T2."
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(or (< (car t1) (car t2))
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(and (= (car t1) (car t2))
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(< (nth 1 t1) (nth 1 t2)))))
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(defun ledger-time-subtract (t1 t2)
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"Subtract two time values.
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Return the difference in the format of a time value."
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(let ((borrow (< (cadr t1) (cadr t2))))
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(list (- (car t1) (car t2) (if borrow 1 0))
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(- (+ (if borrow 65536 0) (cadr t1)) (cadr t2)))))
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(defun ledger-find-slot (moment)
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(catch 'found
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(ledger-iterate-entries
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(function
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(lambda (start date mark desc)
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(if (ledger-time-less-p moment date)
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(throw 'found t)))))))
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(defun ledger-iterate-entries (callback)
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(goto-char (point-min))
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(let* ((now (current-time))
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(current-year (nth 5 (decode-time now))))
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(while (not (eobp))
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(when (looking-at
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(concat "\\(Y\\s-+\\([0-9]+\\)\\|"
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"\\([0-9]\\{4\\}+\\)?[./]?"
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"\\([0-9]+\\)[./]\\([0-9]+\\)\\s-+"
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"\\(\\*\\s-+\\)?\\(.+\\)\\)"))
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(let ((found (match-string 2)))
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(if found
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(setq current-year (string-to-number found))
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(let ((start (match-beginning 0))
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(year (match-string 3))
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(month (string-to-number (match-string 4)))
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(day (string-to-number (match-string 5)))
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(mark (match-string 6))
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(desc (match-string 7)))
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(if (and year (> (length year) 0))
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(setq year (string-to-number year)))
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(funcall callback start
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(encode-time 0 0 0 day month
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(or year current-year))
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mark desc)))))
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(forward-line))))
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(defun ledger-set-year (newyear)
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"Set ledger's idea of the current year to the prefix argument."
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(interactive "p")
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(if (= newyear 1)
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(setq ledger-year (read-string "Year: " (ledger-current-year)))
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(setq ledger-year (number-to-string newyear))))
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(defun ledger-set-month (newmonth)
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"Set ledger's idea of the current month to the prefix argument."
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(interactive "p")
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(if (= newmonth 1)
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(setq ledger-month (read-string "Month: " (ledger-current-month)))
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(setq ledger-month (format "%02d" newmonth))))
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(defun ledger-add-entry (entry-text &optional insert-at-point)
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(interactive (list
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(read-string "Entry: " (concat ledger-year "/" ledger-month "/"))))
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(let* ((args (with-temp-buffer
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(insert entry-text)
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(eshell-parse-arguments (point-min) (point-max))))
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(ledger-buf (current-buffer))
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exit-code)
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(unless insert-at-point
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(let ((date (car args)))
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(if (string-match "\\([0-9]+\\)/\\([0-9]+\\)/\\([0-9]+\\)" date)
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(setq date
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(encode-time 0 0 0 (string-to-number (match-string 3 date))
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(string-to-number (match-string 2 date))
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(string-to-number (match-string 1 date)))))
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(ledger-find-slot date)))
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(save-excursion
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(insert
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(with-temp-buffer
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(setq exit-code
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(apply #'ledger-exec-ledger ledger-buf ledger-buf "entry"
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(mapcar 'eval args)))
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(goto-char (point-min))
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(if (looking-at "Error: ")
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(error (buffer-string))
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(buffer-string)))
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"\n"))))
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(defun ledger-current-entry-bounds ()
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(save-excursion
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(when (or (looking-at "^[0-9]")
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(re-search-backward "^[0-9]" nil t))
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(let ((beg (point)))
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(while (not (eolp))
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(forward-line))
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(cons (copy-marker beg) (point-marker))))))
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(defun ledger-delete-current-entry ()
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(interactive)
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(let ((bounds (ledger-current-entry-bounds)))
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(delete-region (car bounds) (cdr bounds))))
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(provide 'ldg-mode)
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