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snails-backend-rg.el
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snails-backend-rg.el
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;;; snails-backend-rg.el --- Ripgrep backend for snails
;; Filename: snails-backend-rg.el
;; Description: Ripgrep backend for snails
;; Author: Andy Stewart <[email protected]>
;; Maintainer: Andy Stewart <[email protected]>
;; Copyright (C) 2019, Andy Stewart, all rights reserved.
;; Created: 2019-07-23 16:41:05
;; Version: 0.1
;; Last-Updated: 2019-07-23 16:41:05
;; By: Andy Stewart
;; URL: http://www.emacswiki.org/emacs/download/snails-backend-rg.el
;; Keywords:
;; Compatibility: GNU Emacs 26.2
;;
;; Features that might be required by this library:
;;
;;
;;
;;; This file is NOT part of GNU Emacs
;;; License
;;
;; 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, 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; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
;; Floor, Boston, MA 02110-1301, USA.
;;; Commentary:
;;
;; Ripgrep backend for snails
;;
;;; Installation:
;;
;; Put snails-backend-rg.el to your load-path.
;; The load-path is usually ~/elisp/.
;; It's set in your ~/.emacs like this:
;; (add-to-list 'load-path (expand-file-name "~/elisp"))
;;
;; And the following to your ~/.emacs startup file.
;;
;; (require 'snails-backend-rg)
;;
;; No need more.
;;; Customize:
;;
;;
;;
;; All of the above can customize by:
;; M-x customize-group RET snails-backend-rg RET
;;
;;; Change log:
;;
;; 2019/07/23
;; * First released.
;;
;;; Acknowledgements:
;;
;;
;;
;;; TODO
;;
;;
;;
;;; Require
(require 'snails-core)
;;; Code:
(snails-create-async-backend
:name
"RG"
:build-command
(lambda (input)
(when (and (executable-find "rg")
(> (length input) 5))
(let ((search-dir snails-project-root-dir)
(search-input input))
;; If the user input character includes the path separator @, replace the current directory with the entered directory.
(when (string-match-p "@" input)
(let (search-content input-dir)
(setq search-content (split-string input "@"))
(setq input-dir (second search-content))
(when (and (not (equal input-dir ""))
(file-exists-p input-dir))
(setq search-dir input-dir)
(setq search-input (first search-content)))))
;; Search.
(when search-dir
(list "rg" "--no-heading" "--column" "--color" "never" "--max-columns" "300" search-input search-dir)
))))
:candidate-filter
(lambda (candidate-list)
(let (candidates)
(dolist (candidate candidate-list)
(snails-add-candiate
'candidates
(snails-wrap-file-icon-with-candidate
(nth 0 (split-string candidate ":"))
(string-remove-prefix (or snails-project-root-dir "") candidate))
candidate))
candidates))
:candiate-do
(lambda (candidate)
(let ((file-info (split-string candidate ":")))
(when (> (length file-info) 3)
;; Open file and jump to position.
(find-file (nth 0 file-info))
(goto-line (string-to-number (nth 1 file-info)))
(move-to-column (max (- (string-to-number (nth 2 file-info)) 1) 0))
;; Flash match line.
(snails-flash-line)
))))
(provide 'snails-backend-rg)
;;; snails-backend-rg.el ends here