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;;; jao-recoll.el -- Displaying recoll queries -*- lexical-binding: t; -*-
;; Copyright (c) 2017, 2020, 2021, 2022 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 markup.
;;; 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+/.+\\)\t+\\[\\([^]]+\\)\\]\t+\\[\\([^\t]+\\)\\].+")
(defvar jao-recoll-flags "-A -p 5 -n 100")
(defvar jao-recoll-single-buffer t)
(defvar-local jao-recoll--last-query nil)
(defvar-local jao-recoll--last-full-query nil)
(defun jao-recoll-show-query ()
(interactive)
(message (concat jao-recoll--last-query "\n"
jao-recoll--last-full-query)))
(defun jao-recoll-requery ()
(interactive)
(jao-recoll jao-recoll--last-query))
(defun jao-recoll--buffer (q)
(get-buffer-create (if jao-recoll-single-buffer
"*Recoll*"
(format "*Recoll: '%s'*" q))))
(defun jao-recoll--format-snippets (lnk)
(when (looking-at-p "SNIPPETS")
(let ((kill-whole-line t))
(kill-line)
(while (and (not (eobp)) (not (looking-at-p "/SNIPPETS")))
(cond ((looking-at "^\\([1-9][0-9]*\\) : ")
(replace-match (format " - [[%s::\\1][\\1]] : " lnk)))
((looking-at "^0 : \\(.[^\n]+\\)")
(let ((desc (match-string 1)))
(replace-match " - ")
(insert (org-make-link-string lnk desc))))
(t (insert " - ")))
(forward-line 1))
(unless (eobp) (kill-line)))))
(defun jao-recoll--org-link (uri desc mime)
(cond ((string= mime "application/pdf")
(concat "doc:" (file-name-nondirectory uri)))
((string= mime "message/rfc822") (concat "message:" (substring uri 7)))
((string= mime "text/x-orgmode-sub") (concat uri "::*" desc))
(t uri)))
;;;###autoload
(defun jao-recoll (&optional prefix-query)
"Performs a query using recoll and shows the results using org markup."
(interactive)
(let* ((query (read-string "Recoll query: " prefix-query))
(cmd (format "recoll %s -t %s"
jao-recoll-flags (shell-quote-argument query)))
(inhibit-read-only t))
(with-current-buffer (jao-recoll--buffer query)
(recoll-mode)
(delete-region (point-min) (point-max))
(shell-command cmd t)
(setq jao-recoll--last-query query)
(goto-char (point-min))
(when (looking-at-p "Recoll query:")
(setq jao-recoll--last-full-query
(string-trim (thing-at-point 'line)))
(let ((kill-whole-line nil)) (kill-line))
(insert query)
(forward-line 2))
(open-line 1)
(while (search-forward-regexp jao-recoll--file-regexp nil t)
(let* ((mime (match-string 1))
(ref (match-string 2))
(desc (match-string 3))
(start (match-beginning 0))
(end (match-end 0))
(lnk (jao-recoll--org-link ref desc mime))
(desc (if (string= mime "text/x-orgmode-sub")
(org-link-display-format
(concat (file-name-nondirectory ref) " :: " desc))
desc)))
(delete-region start end)
(insert "* " (org-make-link-string lnk desc) " (" mime ")")
(forward-line)
(jao-recoll--format-snippets lnk)))
(pop-to-buffer (current-buffer))
(goto-char (point-min))
(org-next-visible-heading 1)
(org-overview)
(jao-recoll-show-query))))
(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-requery)
(define-key recoll-mode-map [?g] 'jao-recoll-requery)
(define-key recoll-mode-map [?w] 'jao-recoll-show-query)
;;; .
(provide 'jao-recoll)
;;; jao-recoll.el ends here
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