mirror of https://codeberg.org/cage/tinmop/
83 lines
3.1 KiB
Common Lisp
83 lines
3.1 KiB
Common Lisp
;; tinmop module for rewrite link URLs before opening
|
|
;; Copyright © 2020 cage
|
|
|
|
;; This program 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 3 of the License, or
|
|
;; (at your option) any later version.
|
|
|
|
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
(in-package :modules)
|
|
|
|
(defparameter *rewriting-link-rules* ()
|
|
"Before displaying messages that module will rewrites the first
|
|
element of each item of this list with the second
|
|
|
|
Example
|
|
|
|
(\"foo\" \"bar\")
|
|
^^^
|
|
first
|
|
^^^
|
|
second
|
|
|
|
will replace 'foo' with 'bar'.
|
|
|
|
So the whole list is like: '((\"foo\" \"bar\") (\"old\" \"new\") ...)")
|
|
|
|
(defun rewriting-link-add-rule (from to)
|
|
(push (list from to)
|
|
*rewriting-link-rules*))
|
|
|
|
(defun rewriting-link-messages-links-rules (old-links)
|
|
(let ((results ()))
|
|
(loop for old-link in old-links do
|
|
(loop named inner
|
|
for rule in *rewriting-link-rules*
|
|
do
|
|
(let ((rewritten-link (cl-ppcre:regex-replace (first rule)
|
|
old-link
|
|
(second rule))))
|
|
(when (string/= rewritten-link old-link)
|
|
(push (cons old-link rewritten-link)
|
|
results)
|
|
(return-from inner t)))))
|
|
results))
|
|
|
|
(defun rewriting-link-replace-mapping (mapping text)
|
|
(cl-ppcre:regex-replace-all (cl-ppcre:quote-meta-chars (car mapping))
|
|
text
|
|
(cdr mapping)))
|
|
|
|
(defun rewriting-link-message-hook-fn (message-window)
|
|
(with-accessors ((source-text message-window:source-text)) message-window
|
|
(let* ((all-links (text-utils:collect-links source-text))
|
|
(links-mapping (rewriting-link-messages-links-rules all-links)))
|
|
(loop for mapping in links-mapping do
|
|
(setf source-text
|
|
(rewriting-link-replace-mapping mapping source-text))))))
|
|
|
|
(defun rewriting-link-links-window-hook-fn (all-links)
|
|
(let ((links-mapping (rewriting-link-messages-links-rules all-links))
|
|
(results ()))
|
|
(loop for link in all-links do
|
|
(let* ((mapping (find-if (lambda (a) (string= link (car a))) links-mapping))
|
|
(mapped (if mapping
|
|
(rewriting-link-replace-mapping mapping link)
|
|
link)))
|
|
(push mapped results)))
|
|
(reverse results)))
|
|
|
|
(hooks:add-hook 'hooks:*before-prepare-for-rendering-message*
|
|
#'rewriting-link-message-hook-fn)
|
|
|
|
(hooks:add-hook 'hooks:*before-displaying-links-hook*
|
|
#'rewriting-link-links-window-hook-fn)
|