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[emacs] Parse transaction leading lines more robustly

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This began with noticing that the code didn't support the (ugly, yet
valid) case of a tab between the date and txn description. I took the
opportunity to make the regexes more consistent along the way.
This commit is contained in:
Steve Purcell 2014-12-09 16:26:51 +00:00
parent b623306591
commit 01c91130d7
3 changed files with 30 additions and 27 deletions
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39
lisp/ledger-fontify.el
View file

@ -76,26 +76,27 @@
(forward-line))))
(defun ledger-fontify-xact-start (pos)
"POS should be at the beginning of a line starting an xact.
"POS should be at the beginning of a line starting an xact.
Fontify the first line of an xact"
(goto-char pos)
(beginning-of-line)
(let ((state nil)
(cur-point (point)))
(re-search-forward " ")
(ledger-fontify-set-face (list cur-point (point)) 'ledger-font-posting-date-face)
(beginning-of-line)
(re-search-forward ledger-xact-after-date-regex)
(save-match-data (setq state (ledger-state-from-string (match-string 1))))
(ledger-fontify-set-face (list (match-beginning 1) (match-end 3))
(cond ((eq state 'pending)
'ledger-font-payee-pending-face)
((eq state 'cleared)
'ledger-font-payee-cleared-face)
(t
'ledger-font-payee-uncleared-face)))
(ledger-fontify-set-face (list (match-beginning 4)
(match-end 4)) 'ledger-font-comment-face)))
(goto-char pos)
(let ((line-start (line-beginning-position)))
(goto-char line-start)
(re-search-forward "[ \t]")
(ledger-fontify-set-face (list line-start (match-beginning 0)) 'ledger-font-posting-date-face)
(goto-char line-start)
(re-search-forward ledger-xact-after-date-regex)
(let ((state (save-match-data (ledger-state-from-string (match-string 1)))))
(ledger-fontify-set-face (list (match-beginning 3) (match-end 3))
(cond ((eq state 'pending)
'ledger-font-payee-pending-face)
((eq state 'cleared)
'ledger-font-payee-cleared-face)
(t
'ledger-font-payee-uncleared-face))))
(when (match-beginning 4)
(ledger-fontify-set-face (list (match-beginning 4)
(match-end 4)) 'ledger-font-comment-face))
(forward-line)))
(defun ledger-fontify-posting (pos)
"Fontify the posting at POS."

8
lisp/ledger-regex.el
View file

@ -338,10 +338,10 @@
))
(defconst ledger-xact-after-date-regex
(concat " ?\\([ *!]\\)" ;; mark, subexp 1
" ?\\((.*)\\)?" ;; code, subexp 2
" ?\\([^;\n]+\\)" ;; desc, subexp 3
"\\(\n\\|;.*\\)" ;; comment, subexp 4
(concat "\\([ \t]+[*!]\\)?" ;; mark, subexp 1
"\\([ \t]+(.*?)\\)?" ;; code, subexp 2
"\\([ \t]+[^;\n]+\\)" ;; desc, subexp 3
"\\(;[^\n]*\\)?" ;; comment, subexp 4
))
(defconst ledger-posting-regex

10
lisp/ledger-state.el
View file

@ -68,10 +68,12 @@
(defun ledger-state-from-string (state-string)
"Get state from STATE-CHAR."
(cond ((string-match "\\!" state-string) 'pending)
((string-match "\\*" state-string) 'cleared)
((string-match ";" state-string) 'comment)
(t nil)))
(when state-string
(cond
((string-match "\\!" state-string) 'pending)
((string-match "\\*" state-string) 'cleared)
((string-match ";" state-string) 'comment)
(t nil))))
(defun ledger-toggle-current-posting (&optional style)
"Toggle the cleared status of the transaction under point.