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| -rw-r--r-- | Doom/.doom.d/org/personal.org | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Doom/.doom.d/org/personal.org b/Doom/.doom.d/org/personal.org index c9d6fbb..93caa50 100644 --- a/Doom/.doom.d/org/personal.org +++ b/Doom/.doom.d/org/personal.org @@ -80,3 +80,39 @@ Insert a newline without having to exit normal mode! (goto-char (+ old 1)) (evil-normal-state))) #+END_SRC +* Convert auto-fill lines to long truncate-lines +Consider some org file with auto filled lines. +I don't like auto-filled lines. +So I want to convert them. +I've setup macros countless times to do this operation for me, may as well formalize it as a function. + +Firstly, I need a function to count the number of instances of some substring occur in some other string. +Shamelessly copied from rosetta code. +#+BEGIN_SRC elisp +(defun dx:org/count-sub (str pat) + (loop with z = 0 with s = 0 while s do + (when (setf s (search pat str :start2 s)) + (incf z) (incf s (length pat))) + finally (return z))) +#+END_SRC + +Then the main function, works like so: +1) Search the text in the region for newlines then join the lines to make a single segment +2) Search for sentences through Emacs builtin =forward-sentence= and =forward-char= functions then newline via sentences +#+BEGIN_SRC elisp +(defun dx:org/fill-to-long-lines () + (interactive) + (let* ((beg (region-beginning)) + (end (region-end)) + (region-text (buffer-substring-no-properties beg end)) + (n-sentences (dx:org/count-sub region-text ".")) + (parsed-text (apply #'concatenate 'string (cl-loop for c from beg to end collect + (if (string= (buffer-substring-no-properties c (+ c 1)) "\n") " " + c))))) + (delete-region beg end) + (insert parsed-text) + (message "%s" n-sentences) + (evil-normal-state) + (evil-digit-argument-or-evil-beginning-of-line) + (cl-loop for i from 1 to n-sentences do (forward-sentence) (forward-char) (newline)))) +#+END_SRC |