mirror of
https://codeberg.org/cage/tinmop/
synced 2025-01-05 01:26:59 +01:00
6786d48f6d
i got rid of slot support-text in message-window, so that class does
not maintain a state.
- changed behaivour of split-line
(split-line (format nil "~2%")) ; => ("" "")
That is an emtpy line is returned as empty string and not skipped
Thanks to people from IRC and cl-ppcre maintainer for help!
- [breaking changes] changed 'hooks:*before-prepare-for-rendering-message*
with 'hooks:*before-rendering-message-text*.
98 lines
3.9 KiB
Common Lisp
98 lines
3.9 KiB
Common Lisp
;; tinmop module for rewrite link URLs before opening
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;; Copyright © 2020 cage
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;; This program is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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(in-package :modules)
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(defparameter *rewriting-link-rules* '()
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"Before displaying messages that module will rewrites the first
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element of each item of this list with the second
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Example
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(\"foo\" \"bar\")
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^^^
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first
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^^^
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second
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will replace 'foo' with 'bar'.
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So the whole list is like: '((\"foo\" \"bar\") (\"old\" \"new\") ...)")
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(defun rewriting-link-add-rule (from to)
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(push (list from to)
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*rewriting-link-rules*))
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(defun rewriting-link-messages-links-rules (old-links)
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(let ((results ()))
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(loop for old-link in old-links do
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(loop named inner
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for rule in *rewriting-link-rules*
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do
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(let ((rewritten-link (cl-ppcre:regex-replace (first rule)
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old-link
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(second rule))))
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(when (string/= rewritten-link old-link)
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(push (cons old-link rewritten-link)
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results)
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(return-from inner t)))))
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results))
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(defun rewriting-link-replace-mapping (mapping text)
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(cl-ppcre:regex-replace-all (cl-ppcre:quote-meta-chars (car mapping))
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text
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(cdr mapping)))
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(defun %rewriting-link-rewrite-row (links-mapping)
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(lambda (row)
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(let* ((original-type (message-window:line-get-original-object row))
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(original-string (line-oriented-window:normal-text row))
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(skipped-row-types (list 'gemini-parser:pre-line
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'gemini-parser:vertical-space)))
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(if (member original-type skipped-row-types)
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row
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(let* ((simple-string (tui:tui-string->chars-string original-string))
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(replaced-string simple-string))
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(loop for mapping in links-mapping do
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(setf replaced-string
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(rewriting-link-replace-mapping mapping replaced-string)))
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replaced-string)))))
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(defun rewriting-link-message-hook-fn (message-window)
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(let* ((map-fn (%rewriting-link-rewrite-row *rewriting-link-rules*))
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(replaced-rows (line-oriented-window:map-rows message-window
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map-fn))
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(new-rows (message-window:text->rendered-lines-rows message-window
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replaced-rows)))
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(line-oriented-window:update-all-rows message-window new-rows)))
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(defun rewriting-link-links-window-hook-fn (all-links)
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(let ((links-mapping (rewriting-link-messages-links-rules all-links))
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(results ()))
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(loop for link in all-links do
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(let* ((mapping (find-if (lambda (a) (string= link (car a))) links-mapping))
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(mapped (if mapping
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(rewriting-link-replace-mapping mapping link)
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link)))
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(push mapped results)))
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(reverse results)))
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(hooks:add-hook 'hooks:*before-rendering-message-text*
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#'rewriting-link-message-hook-fn)
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(hooks:add-hook 'hooks:*before-displaying-links-hook*
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#'rewriting-link-links-window-hook-fn)
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