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+;; jao-recoll.el -- Displaying recoll queries
+
+;; Copyright (c) 2017, 2020 Jose Antonio Ortega Ruiz
+
+;; This file 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 file 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/>.
+
+;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
+;; Start date: Wed Nov 01, 2017 18:14
+
+
+;;; Comentary:
+
+;; A simple interactive command to perform recoll queries and display
+;; its results using org-mode.
+
+;;; Code:
+
+
+(require 'org)
+
+(define-derived-mode recoll-mode org-mode "Recoll"
+  "Simple mode for showing recoll query results"
+  (read-only-mode 1))
+
+(defvar jao-recoll--file-regexp
+  "\\(\\w+/\\w+\\)\t+\\[\\([^]]+\\)\\]\t+\\[\\([^]]+\\)\\].+")
+
+(defvar jao-recoll-flags "-A")
+
+;;;###autoload
+(defun jao-recoll (keywords)
+  "Performs a query using recoll and shows the results in a
+buffer using org mode."
+  (interactive "sRecoll query string: ")
+  (with-current-buffer (get-buffer-create (format "* Recoll: '%s' *" keywords))
+    (read-only-mode -1)
+    (delete-region (point-min) (point-max))
+    (let ((c (format "recoll %s -t %s"
+                     jao-recoll-flags (shell-quote-argument keywords))))
+      (shell-command c t))
+    (goto-char (point-min))
+    (when (looking-at-p "Recoll query:")
+      (let ((kill-whole-line t)) (kill-line))
+      (forward-line 1))
+    (open-line 1)
+    (while (search-forward-regexp jao-recoll--file-regexp nil t)
+      (replace-match "* [[\\2][\\3]] (\\1)")
+      (forward-line)
+      (beginning-of-line)
+      (let ((kill-whole-line nil)) (kill-line))
+      (forward-line)
+      (let ((p (point)))
+        (re-search-forward "/ABSTRACT")
+        (beginning-of-line)
+        (fill-region p (point))
+        (let ((kill-whole-line nil)) (kill-line))))
+    (recoll-mode)
+    (pop-to-buffer (current-buffer))
+    (goto-char (point-min))
+    (org-cycle '(4))
+    (org-next-visible-heading 1)))
+
+(define-key recoll-mode-map [?n] 'org-next-link)
+(define-key recoll-mode-map [?p] 'org-previous-link)
+(define-key recoll-mode-map [?q] 'bury-buffer)
+(define-key recoll-mode-map [?r] 'jao-recoll)
+
+
+
+(provide 'jao-recoll)
+;;; jao-recoll.el ends here