my-emacs-d/lisp/prog.el

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;;; gp-prog --- Summary
;;; Commentary:
;;; Code:
(defun gpolonkai/prog-in-string-p ()
"Return t if point is inside a string."
(nth 3 (syntax-ppss)))
(defun gpolonkai/prog-in-comment-p ()
"Return t if point is inside a comment."
(nth 4 (syntax-ppss)))
(defun gpolonkai/python-add-docstring ()
"Add a Python docstring to the current thing.
If point is inside a function, add docstring to that. If point
is in a class, add docstring to that. If neither, add docstring
to the beginning of the file."
(interactive)
(save-restriction
(widen)
(beginning-of-defun)
(if (not (looking-at-p "\\(def\\|class\\) "))
(progn
(goto-char (point-min))
(back-to-indentation)
(forward-char)
(while (gpolonkai/prog-in-comment-p)
(forward-line)
(back-to-indentation)
(forward-char)))
(search-forward ":")
(while (or (gpolonkai/prog-in-string-p)
(gpolonkai/prog-in-comment-p))
(search-forward ":")))
(if (eq 1 (count-lines 1 (point)))
(open-line-above)
(open-line-below))
(insert "\"\"\"")
(open-line-below)
(insert "\"\"\"")
(open-line-above)))
(defun camel-to-snake-case (arg)
"Convert a camel case (camelCase or CamelCase) word to snake case (snake_case).
If the prefix argument ARG is non-nil, convert the text to uppercase."
(interactive "p")
(progn
(let ((start (region-beginning))
(end (region-end))
(case-fold-search nil)
(had-initial-underscore nil))
(goto-char start)
(when (looking-at "_") (setq had-initial-underscore t))
(while (re-search-forward "\\([A-Z]\\)" end t)
(replace-match "_\\1")
(setq end (1+ end)))
(if arg
(upcase-region start end)
(downcase-region start end))
(goto-char start)
(unless had-initial-underscore (delete-char 1)))))
(provide 'gp-prog)
;;; gp-prog.el ends here