ledger/lisp/ldg-mode.el
2012-08-08 00:34:07 -05:00

120 lines
4.5 KiB
EmacsLisp

(defcustom ledger-default-acct-transaction-indent " "
"Default indentation for account transactions in an entry."
:type 'string
:group 'ledger)
(defvar bold 'bold)
(defvar ledger-font-lock-keywords
'(("\\( \\| \\|^\\)\\(;.*\\)" 2 font-lock-comment-face)
("^[0-9]+[-/.=][-/.=0-9]+\\s-+\\(([^)]+)\\s-+\\)?\\([^*].+?\\)\\(\\( ;\\| ;\\|$\\)\\)" 2 bold)
;;("^[0-9]+[-/.=][-/.=0-9]+\\s-+\\(([^)]+)\\s-+\\)?\\([*].+?\\)\\(\\( ;\\| ;\\|$\\)\\)"
;; 2 font-lock-type-face)
("^\\s-+\\([*]\\s-*\\)?\\(\\([[(]\\)?[^*:
]+?:\\([^]);
]\\|\\s-\\)+?\\([])]\\)?\\)\\( \\| \\|$\\)"
2 font-lock-keyword-face)
("^\\([~=].+\\)" 1 font-lock-function-name-face)
("^\\([A-Za-z]+ .+\\)" 1 font-lock-function-name-face))
"Expressions to highlight in Ledger mode.")
(defvar ledger-mode-abbrev-table)
;;;###autoload
(define-derived-mode ledger-mode text-mode "Ledger"
"A mode for editing ledger data files."
(ledger-post-setup)
(set (make-local-variable 'comment-start) " ; ")
(set (make-local-variable 'comment-end) "")
(set (make-local-variable 'indent-tabs-mode) nil)
(if (boundp 'font-lock-defaults)
(set (make-local-variable 'font-lock-defaults)
'(ledger-font-lock-keywords nil t)))
(set (make-local-variable 'pcomplete-parse-arguments-function)
'ledger-parse-arguments)
(set (make-local-variable 'pcomplete-command-completion-function)
'ledger-complete-at-point)
(set (make-local-variable 'pcomplete-termination-string) "")
(let ((map (current-local-map)))
(define-key map [(control ?c) (control ?a)] 'ledger-add-entry)
(define-key map [(control ?c) (control ?d)] 'ledger-delete-current-entry)
(define-key map [(control ?c) (control ?y)] 'ledger-set-year)
(define-key map [(control ?c) (control ?m)] 'ledger-set-month)
(define-key map [(control ?c) (control ?c)] 'ledger-toggle-current)
(define-key map [(control ?c) (control ?e)] 'ledger-toggle-current-entry)
(define-key map [(control ?c) (control ?r)] 'ledger-reconcile)
(define-key map [(control ?c) (control ?s)] 'ledger-sort)
(define-key map [(control ?c) (control ?t)] 'ledger-test-run)
(define-key map [tab] 'pcomplete)
(define-key map [(control ?i)] 'pcomplete)
(define-key map [(control ?c) tab] 'ledger-fully-complete-entry)
(define-key map [(control ?c) (control ?i)] 'ledger-fully-complete-entry))
(ledger-report-patch-reports (current-buffer)))
(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-time-subtract (t1 t2)
"Subtract two time values.
Return the difference in the format of a time value."
(let ((borrow (< (cadr t1) (cadr t2))))
(list (- (car t1) (car t2) (if borrow 1 0))
(- (+ (if borrow 65536 0) (cadr t1)) (cadr t2)))))
(defun ledger-find-slot (moment)
(catch 'found
(ledger-iterate-entries
(function
(lambda (start date mark desc)
(if (ledger-time-less-p moment date)
(throw 'found t)))))))
(defun ledger-add-entry (entry-text &optional insert-at-point)
(interactive "sEntry: ")
(let* ((args (with-temp-buffer
(insert entry-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 "\\([0-9]+\\)/\\([0-9]+\\)/\\([0-9]+\\)" date)
(setq date
(encode-time 0 0 0 (string-to-number (match-string 3 date))
(string-to-number (match-string 2 date))
(string-to-number (match-string 1 date)))))
(ledger-find-slot date)))
(save-excursion
(insert
(with-temp-buffer
(setq exit-code
(apply #'ledger-run-ledger ledger-buf "entry"
(mapcar 'eval args)))
(goto-char (point-min))
(if (looking-at "Error: ")
(error (buffer-string))
(buffer-string)))
"\n"))))
(defun ledger-current-entry-bounds ()
(save-excursion
(when (or (looking-at "^[0-9]")
(re-search-backward "^[0-9]" nil t))
(let ((beg (point)))
(while (not (eolp))
(forward-line))
(cons (copy-marker beg) (point-marker))))))
(defun ledger-delete-current-entry ()
(interactive)
(let ((bounds (ledger-current-entry-bounds)))
(delete-region (car bounds) (cdr bounds))))
(provide 'ldg-mode)