Created
October 4, 2017 18:31
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(defun ap/python-mode-outline-hook () | |
(setq outline-level 'ap/python-outline-level) | |
(setq outline-regexp | |
(rx (or | |
;; Commented outline heading | |
(group | |
(* space) ; 0 or more spaces | |
(one-or-more (syntax comment-start)) | |
(one-or-more space) | |
;; Heading level | |
(group (repeat 1 8 "\*")) ; Outline stars | |
(one-or-more space)) | |
;; Python keyword heading | |
(group | |
;; Heading level | |
;; TODO: Try setting this to python-indent-offset | |
;; instead of space. Might capture the indention levels | |
;; better. | |
(group (* space)) ; 0 or more spaces | |
bow | |
;; Keywords | |
(or "class" "def") | |
eow))))) | |
(defun ap/python-outline-level () | |
;; Based on this code found at | |
;; http://blog.zenspider.com/blog/2013/07/my-emacs-setup-ruby-and-outline.html: | |
;; (or (and (match-string 1) | |
;; (or (cdr (assoc (match-string 1) outline-heading-alist)) | |
;; (- (match-end 1) (match-beginning 1)))) | |
;; (and (match-string 0) | |
;; (cdr (assoc (match-string 0) outline-heading-alist))) | |
;; This doesn't work properly. It sort-of works, but it's not | |
;; correct. Running this function consecutively on the same line | |
;; sometimes returns different results. And it doesn't seem to | |
;; correctly recognize top-level Python functions or classes as | |
;; top-level headings, so subheadings beneath them don't collapse | |
;; properly. | |
(or | |
;; Commented outline heading | |
(and (string-match (rx | |
(* space) | |
(one-or-more (syntax comment-start)) | |
(one-or-more space) | |
(group (one-or-more "\*")) | |
(one-or-more space)) | |
(match-string 0)) | |
(- (match-end 0) (match-beginning 0))) | |
;; Python keyword heading, set by number of indentions | |
;; Add 8 (the highest standard outline level) to every Python keyword heading | |
(+ 8 (- (match-end 0) (match-beginning 0))))) | |
(add-hook 'python-mode-hook 'ap/python-mode-outline-hook) | |
(defun ap/sh-outline-level () | |
(or | |
;; Commented outline heading | |
(and (string-match (rx | |
(* space) | |
(one-or-more (syntax comment-start)) | |
(one-or-more space) | |
(group (one-or-more "\*")) | |
(one-or-more space)) | |
(match-string 0)) | |
(- (match-end 1) (match-beginning 1) 1)) | |
;; Keyword/function heading | |
;; Add 8 (the highest standard outline level) to every keyword | |
;; heading | |
(+ 8 (- (match-end 3) (match-beginning 3))))) | |
(defun ap/sh-mode-outline-hook () | |
(setq outline-level 'ap/sh-outline-level) | |
(setq outline-regexp (rx (group (or | |
;; Outline headings | |
(and (* space) | |
(one-or-more (syntax comment-start)) | |
(* space) | |
(group (one-or-more "\*")) | |
(* space)) | |
;; Keywords and functions | |
(and (group (* space)) | |
(or | |
;; e.g. "function foo" | |
(and (or "function" "if" "elif" "else" "for" "while") | |
(one-or-more space)) | |
;; e.g. "foo()" | |
(and (one-or-more (or alnum "_-")) | |
(* space) | |
(syntax open-parenthesis) | |
(syntax close-parenthesis))))))))) | |
(add-hook 'sh-mode-hook 'ap/sh-mode-outline-hook) | |
(defun ap/el-outline-level () | |
(or | |
;; Commented outline heading | |
(and (string-match (rx | |
(* space) | |
(group (one-or-more (syntax comment-start))) | |
(one-or-more space)) | |
(match-string 0)) | |
(- (match-end 0) (match-beginning 0) 1)) | |
;; Lisp def heading | |
;; Add 8 (the highest standard outline level) to every keyword | |
;; heading | |
(+ 8 (- (match-end 0) (match-beginning 0))))) | |
(defun ap/el-mode-outline-hook () | |
(setq outline-level 'ap/el-outline-level) | |
(setq outline-regexp "\\(;;[;]\\{1,8\\} \\|\\((defun\\)\\)")) | |
(add-hook 'emacs-lisp-mode-hook 'ap/el-mode-outline-hook) | |
(defun ap/general-outline-level () | |
(or | |
;; Commented outline heading | |
(and (string-match (rx | |
(* space) | |
(one-or-more (syntax comment-start)) | |
(one-or-more space) | |
(group (one-or-more "\*")) | |
(one-or-more space)) | |
(match-string 0)) | |
(- (match-end 1) (match-beginning 1) 1)))) | |
(defun ap/general-outline-mode-enable () | |
(interactive) | |
(setq outline-level 'ap/general-outline-level) | |
(setq outline-regexp (rx (group (* space) | |
(one-or-more (syntax comment-start)) | |
(* space) | |
(group (one-or-more "\*")) | |
(* space)))) | |
(outline-minor-mode)) |
Well, I'm surprised to hear that, but I'm glad. :) Please let me know what you come up with.
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Your code already works better than origami ever did; or likely will. I tried the other folding packages in the past as well. This is the best I've found.