89 lines
3.5 KiB
EmacsLisp
89 lines
3.5 KiB
EmacsLisp
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;;; slack-util.el ---utility functions -*- lexical-binding: t; -*-
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;; Copyright (C) 2015 yuya.minami
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;; Author: yuya.minami <yuya.minami@yuyaminami-no-MacBook-Pro.local>
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;; Keywords:
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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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;;; Commentary:
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;;
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;;; Code:
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(require 'eieio)
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(defun slack-seq-to-list (seq)
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(if (listp seq) seq (append seq nil)))
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(defun slack-decode (seq)
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(cl-loop for e in (slack-seq-to-list seq)
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collect (if (stringp e)
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(decode-coding-string e 'utf-8)
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e)))
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(defun slack-class-have-slot-p (class slot)
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(and (symbolp slot)
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(let* ((stripped (substring (symbol-name slot) 1))
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(replaced (replace-regexp-in-string "_" "-"
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stripped))
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(symbolized (intern replaced)))
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(slot-exists-p class symbolized))))
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(defun slack-collect-slots (class seq)
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(let ((plist (slack-seq-to-list seq)))
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(cl-loop for p in plist
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if (and (slack-class-have-slot-p class p)
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(plist-member plist p))
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nconc (let ((value (plist-get plist p)))
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(list p (if (stringp value)
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(decode-coding-string value 'utf-8)
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(if (eq :json-false value)
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nil
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value)))))))
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(defun company-slack-backend (command &optional arg &rest ignored)
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"Completion backend for slack chats. It currently understands
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@USER; adding #CHANNEL should be a simple matter of programming."
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(interactive (list 'interactive))
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(cl-labels
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((prefix-type (str) (cond
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((string-prefix-p "@" str) 'user)
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((string-prefix-p "#" str) 'channel)))
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(content (str) (substring str 1 nil)))
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(cl-case command
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(interactive (company-begin-backend 'company-slack-backend))
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(prefix (when (cl-find major-mode '(slack-mode
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slack-edit-message-mode))
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(company-grab-line "\\(\\W\\|^\\)\\(@\\w*\\|#\\w*\\)"
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2)))
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(candidates (let ((content (content arg)))
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(cl-case (prefix-type arg)
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(user
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(cl-loop for user in (oref slack-current-team users)
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if (string-prefix-p content
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(plist-get user :name))
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collect (concat "@" (plist-get user :name))))
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(channel
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(cl-loop for team in (oref slack-current-team channels)
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if (string-prefix-p content
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(oref team name))
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collect (concat "#" (oref team name)))))))
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)))
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(provide 'slack-util)
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;;; slack-util.el ends here
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