initial implementation helm-silver-searcher

helm-silver-searcher.el

;;; helm-silver-searcher.el ---

;; Copyright (C) 2012 by Syohei YOSHIDA

;; Author: Syohei YOSHIDA <[email protected]>
;; URL:
;; Version: 0.01

;; 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/>.

;;; Commentary:

;;; Code:

(eval-when-compile
  (require 'cl))

(require 'helm)

(defgroup helm-silver-searcher nil
  "Ag(Silver Searcher) command with helm interface"
  :group 'helm)

(defcustom helm-c-silver-searcher:command "ag"
  "Base command of `ag'"
  :type 'string
  :group 'helm-silver-searcher)

(defcustom helm-c-silver-searcher:option "--nocolor --nogroup "
  "Base option with `ag' command"
  :type 'string
  :group 'helm-silver-searcher)

(defun helm-c-silver-searcher:init-command ()
  (format "%s %s "
          helm-c-silver-searcher:command
          helm-c-silver-searcher:option))

(defun helm-c-silver-searcher-init ()
  (let ((cmd (read-string "Command: " (helm-c-silver-searcher:init-command))))
    (helm-attrset 'recenter t)
    (with-current-buffer (helm-candidate-buffer 'global)
      (setq tmstms cmd)
      (let ((ret (call-process-shell-command cmd nil t nil)))
        (cond ((= ret 1) (error "no match"))
              ((not (= ret 0)) (error "Failed 'ag' command")))))))

(defvar helm-c-silver-searcher-source
  '((name . "helm silver searcher")
    (init . helm-c-silver-searcher-init)
    (candidates-in-buffer)
    (type . file-line)
    (candidate-number-limit . 9999)))

;;;###autoload
(defun helm-silver-searcher ()
  (interactive)
  (let ((buf (get-buffer-create "*helm ag*")))
    (helm :sources '(helm-c-silver-searcher-source) :buffer buf)))

(provide 'helm-silver-searcher)

;;; helm-silver-searcher.el ends here