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-;;; ledger-fontify.el --- Provide custom fontification for ledger-mode
-
-
-;; Copyright (C) 2014 Craig P. Earls (enderw88 at gmail dot com)
-
-;; 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:
-;; Font-lock-mode doesn't handle multiline syntax very well. This
-;; code provides font lock that is sensitive to overall transaction
-;; states
-
-
-;;; Code:
-
-(require 'ledger-navigate)
-(require 'ledger-regex)
-(require 'ledger-state)
-
-(defcustom ledger-fontify-xact-state-overrides nil
- "If t the highlight entire xact with state."
- :type 'boolean
- :group 'ledger)
-
-(defun ledger-fontify-buffer-part (&optional beg end len)
- "Fontify buffer from BEG to END, length LEN."
- (save-excursion
- (unless beg (setq beg (point-min)))
- (unless end (setq end (point-max)))
- (goto-char beg)
- (beginning-of-line)
- (while (< (point) end)
- (cond ((or (looking-at ledger-xact-start-regex)
- (looking-at ledger-posting-regex)
- (looking-at ledger-recurring-line-regexp))
- (ledger-fontify-xact-at (point)))
- ((looking-at ledger-directive-start-regex)
- (ledger-fontify-directive-at (point))))
- (ledger-navigate-next-xact-or-directive))))
-
-(defun ledger-fontify-xact-at (position)
- "Fontify the xact at POSITION."
- (interactive "d")
- (save-excursion
- (goto-char position)
- (let ((extents (ledger-navigate-find-element-extents position))
- (state (ledger-transaction-state)))
- (if (and ledger-fontify-xact-state-overrides state)
- (cond ((eq state 'cleared)
- (ledger-fontify-set-face extents 'ledger-font-xact-cleared-face))
- ((eq state 'pending)
- (ledger-fontify-set-face extents 'ledger-font-xact-pending-face)))
- (ledger-fontify-xact-by-line extents)))))
-
-(defun ledger-fontify-xact-by-line (extents)
- "Do line-by-line detailed fontification of xact in EXTENTS."
- (save-excursion
- (ledger-fontify-xact-start (car extents))
- (while (< (point) (cadr extents))
- (if (looking-at "[ \t]+;")
- (ledger-fontify-set-face (list (point) (progn
- (end-of-line)
- (point))) 'ledger-font-comment-face)
- (ledger-fontify-posting (point)))
- (forward-line))))
-
-(defun ledger-fontify-xact-start (pos)
- "POS should be at the beginning of a line starting an xact.
-Fontify the first line of an xact"
- (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."
- (let* ((state nil)
- (end-of-line-comment nil)
- (end (progn (end-of-line)
- (point)))
- (start (progn (beginning-of-line)
- (point))))
-
- ;; Look for a posting status flag
- (set-match-data nil 'reseat)
- (re-search-forward " \\([*!]\\) " end t)
- (if (match-string 1)
- (setq state (ledger-state-from-string (match-string 1))))
- (beginning-of-line)
- (re-search-forward "[[:graph:]]\\([ \t][ \t]\\)" end 'end) ;; find the end of the account, or end of line
-
- (when (<= (point) end) ;; we are still on the line
- (ledger-fontify-set-face (list start (point))
- (cond ((eq state 'cleared)
- 'ledger-font-posting-account-cleared-face)
- ((eq state 'pending)
- 'ledger-font-posting-account-pending-face)
- (t
- 'ledger-font-posting-account-face)))
-
-
- (when (< (point) end) ;; there is still more to fontify
- (setq start (point)) ;; update start of next font region
- (setq end-of-line-comment (re-search-forward ";" end 'end)) ;; find the end of the line, or start of a comment
- (ledger-fontify-set-face (list start (point) )
- (cond ((eq state 'cleared)
- 'ledger-font-posting-amount-cleared-face)
- ((eq state 'pending)
- 'ledger-font-posting-amount-pending-face)
- (t
- 'ledger-font-posting-amount-face)))
- (when end-of-line-comment
- (setq start (point))
- (end-of-line)
- (ledger-fontify-set-face (list (- start 1) (point)) ;; subtract 1 from start because we passed the semi-colon
- 'ledger-font-comment-face))))))
-
-(defun ledger-fontify-directive-at (pos)
- "Fontify the directive at POS."
- (let ((extents (ledger-navigate-find-element-extents pos))
- (face 'ledger-font-default-face))
- (cond ((looking-at "=")
- (setq face 'ledger-font-auto-xact-face))
- ((looking-at "~")
- (setq face 'ledger-font-periodic-xact-face))
- ((looking-at "[;#%|\\*]")
- (setq face 'ledger-font-comment-face))
- ((looking-at "\\(year\\)\\|Y")
- (setq face 'ledger-font-year-directive-face))
- ((looking-at "account")
- (setq face 'ledger-font-account-directive-face))
- ((looking-at "apply")
- (setq face 'ledger-font-apply-directive-face))
- ((looking-at "alias")
- (setq face 'ledger-font-alias-directive-face))
- ((looking-at "assert")
- (setq face 'ledger-font-assert-directive-face))
- ((looking-at "\\(bucket\\)\\|A")
- (setq face 'ledger-font-bucket-directive-face))
- ((looking-at "capture")
- (setq face 'ledger-font-capture-directive-face))
- ((looking-at "check")
- (setq face 'ledger-font-check-directive-face))
- ((looking-at "commodity")
- (setq face 'ledger-font-commodity-directive-face))
- ((looking-at "define")
- (setq face 'ledger-font-define-directive-face))
- ((looking-at "end")
- (setq face 'ledger-font-end-directive-face))
- ((looking-at "expr")
- (setq face 'ledger-font-expr-directive-face))
- ((looking-at "fixed")
- (setq face 'ledger-font-fixed-directive-face))
- ((looking-at "include")
- (setq face 'ledger-font-include-directive-face))
- ((looking-at "payee")
- (setq face 'ledger-font-payee-directive-face))
- ((looking-at "P")
- (setq face 'ledger-font-price-directive-face))
- ((looking-at "tag")
- (setq face 'ledger-font-tag-directive-face)))
- (ledger-fontify-set-face extents face)))
-
-(defun ledger-fontify-set-face (extents face)
- "Set the text in EXTENTS to FACE."
- (put-text-property (car extents) (cadr extents) 'font-lock-face face))
-
-
-(provide 'ledger-fontify)
-
-;;; ledger-fontify.el ends here
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-02 20:14:37 +0000