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ivy-searcher.el
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ivy-searcher.el
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;;; ivy-searcher.el --- Ivy interface to use searcher -*- lexical-binding: t; -*-
;; Copyright (C) 2020-2024 Shen, Jen-Chieh
;; Created date 2020-06-19 22:30:03
;; Author: Shen, Jen-Chieh <[email protected]>
;; URL: https://github.com/jcs-elpa/ivy-searcher
;; Version: 0.3.10
;; Package-Requires: ((emacs "25.1") (ivy "0.8.0") (searcher "0.1.8") (s "1.12.0") (f "0.20.0"))
;; Keywords: convenience ivy interface searcher search replace grep ag rg
;; This file is NOT part of GNU Emacs.
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Ivy interface to use searcher.
;;
;;; Code:
(require 'cl-lib)
(require 'ivy)
(require 'searcher)
(require 's)
(defgroup ivy-searcher nil
"Ivy interface to use searcher."
:prefix "ivy-searcher-"
:group 'tool
:link '(url-link :tag "Repository" "https://github.com/jcs-elpa/ivy-searcher"))
(defcustom ivy-searcher-display-info 'position
"Display option for file information."
:type '(choice (const :tag "position" position)
(const :tag "line/column" line/column))
:group 'ivy-searcher)
(defcustom ivy-searcher-separator ":"
"Separator string for display."
:type 'string
:group 'ivy-searcher)
(defcustom ivy-searcher-default-input ""
"Default initial input for searcher."
:type 'string
:group 'ivy-searcher)
(defcustom ivy-searcher-preselect nil
"Preselect option."
:type '(choice (const :tag "none" nil)
(const :tag "previous search candidate" previous)
(const :tag "next search candidate" next))
:group 'ivy-searcher)
(defconst ivy-searcher--prompt-format "[Searcher] %s: "
"Prompt string when using `ivy-searcher'.")
(defvar ivy-searcher--initial-input nil
"Current initial input for searcher.")
(defvar ivy-searcher--last-input nil
"Record down the last input for preselecting behaviour.")
(defvar ivy-searcher--target-buffer nil
"Record down the current target buffer.")
(defvar ivy-searcher--search-string ""
"Record down the current search string.")
(defvar ivy-searcher--replace-string ""
"Record down the current replace string.")
(defvar ivy-searcher--candidates '()
"Record down all the candidates for searching.")
(defvar ivy-searcher--buffer-info '()
"List of data about the current winodw buffer.")
(defvar ivy-searcher--current-dir ""
"Record the current search directory in order to find respect relative path.")
;;; Util
(defun ivy-searcher--project-path ()
"Get the current project path."
(cdr (project-current)))
(defun ivy-searcher--is-contain-list-string (in-list in-str)
"Check if IN-STR contain in any string in the IN-LIST."
(cl-some (lambda (lb-sub-str) (string-match-p (regexp-quote lb-sub-str) in-str)) in-list))
(defun ivy-searcher--goto-line (ln)
"Goto LN line number."
(goto-char (point-min))
(forward-line (1- ln)))
(defun ivy-searcher--get-string-from-file (path)
"Return PATH file content."
(with-temp-buffer
(insert-file-contents path)
(buffer-string)))
(defun ivy-searcher--separator-string ()
"Return the separator string with text properties."
(propertize ivy-searcher-separator 'face 'default))
(defun ivy-searcher--propertize-line-string (ln-str input col)
"Propertize the LN-STR with INPUT and column (COL)."
(let ((sec1 (+ col (length input))))
;; TODO:
;; 1) Seems like this sometimes break for miscalculation?
;; 2) Maybe it breaks because of the non-ascii character?
(ignore-errors
(concat
(substring ln-str 0 col)
(propertize (substring ln-str col sec1) 'face 'ivy-highlight-face)
(substring ln-str sec1 (length ln-str))))))
(defun ivy-searcher--read-selection (selection)
"Read SELECTION and return list of data (file, line, column)."
(let ((buf-lst (buffer-list)) buf-name buf-regex sel-lst found)
(setq found
(cl-some (lambda (buf)
(setq buf-name (buffer-name buf)
buf-regex (format "^%s" (regexp-quote buf-name)))
(string-match-p buf-regex selection))
buf-lst))
(setq selection (s-replace-regexp buf-regex "" selection)
sel-lst (split-string selection ivy-searcher-separator))
(list (if found buf-name (nth 0 sel-lst)) (nth 1 sel-lst) (nth 2 sel-lst))))
(defun ivy-searcher--candidate-to-plist (cand)
"Convert CAND string to a plist data."
(let* ((data (ivy-searcher--read-selection cand))
(file (nth 0 data)) ln-str
pos ln col)
(cl-case ivy-searcher-display-info
(position
(setq pos (nth 1 data)
ln-str (nth 2 data)))
(line/column
(setq ln (nth 1 data)
col (nth 2 data)
ln-str (nth 3 data))))
(list :file file :string ln-str :start pos :line-number ln :column col)))
(defun ivy-searcher--initial-input-or-region ()
"Return the default initiali input depend if region is active or not."
(if (use-region-p)
(buffer-substring-no-properties (region-beginning) (region-end))
ivy-searcher-default-input))
;;; Search
(defun ivy-searcher--delay-display ()
"Delay display a bit so the preselect can get updated."
(let ((ivy-dynamic-exhibit-delay-ms 0.1)) (ivy--queue-exhibit)))
(defun ivy-searcher--search-preselect ()
"Preselect the candidate depends on `ivy-searcher-preselect' option."
(when (and ivy-searcher-preselect
(not (string= ivy-searcher--last-input ivy-text)))
(setq ivy-searcher--last-input ivy-text) ; Record last input.
(let ((pre-file (plist-get ivy-searcher--buffer-info :file))
(pre-pos (plist-get ivy-searcher--buffer-info :start))
(pre-ln (plist-get ivy-searcher--buffer-info :line-number))
(pre-col (plist-get ivy-searcher--buffer-info :column))
select-index
(del-val (if (eq ivy-searcher-preselect 'previous) -1 0)))
(setq select-index
(cl-position
nil ivy-searcher--candidates
:test
(lambda (_key cand)
(let* ((cand-plist (cdr cand))
(cand-file (plist-get cand-plist :file))
(cand-pos (plist-get cand-plist :start))
(cand-ln (plist-get cand-plist :line-number))
(cand-col (plist-get cand-plist :column)))
(when (string= cand-file pre-file)
(cl-case ivy-searcher-display-info
(position (<= pre-pos cand-pos))
(line/column (or (< pre-ln cand-ln)
(and (<= pre-ln cand-ln)
(< pre-col cand-col))))))))))
(if select-index
;; Use `max' to prevent it goes lower than 0.
(ivy-set-index (max (+ select-index del-val) 0))
(ivy-set-index 0))
(ivy-searcher--delay-display))))
(defun ivy-searcher--init ()
"Initialize and get ready for searcher to search."
(searcher-clean-cache)
(setq ivy-searcher--buffer-info (list :file (or (buffer-file-name) (buffer-name))
:start (point)
:line-number (line-number-at-pos)
:column (1- (current-column)))))
(defun ivy-searcher--do-search-complete-action (cand)
"Do action with CAND."
(let* ((data (ivy-searcher--candidate-to-plist cand))
(file (plist-get data :file)) (filename (f-filename file))
(pos (plist-get data :start))
(ln (plist-get data :line-number))
(col (plist-get data :column)))
(setq file (f-join ivy-searcher--current-dir file))
(if (file-exists-p file) (find-file file) (switch-to-buffer filename))
(cl-case ivy-searcher-display-info
(position
(setq pos (string-to-number pos))
(goto-char (1+ pos)))
(line/column
(setq ln (string-to-number ln)
col (string-to-number col))
(ivy-searcher--goto-line ln)
(move-to-column col)))))
(defun ivy-searcher--do-search-input-action (input cands dir)
"Do the search action by INPUT, CANDS and DIR."
(let ((candidates '()) (candidate "") file ln-str pos ln col)
(setq ivy-searcher--current-dir dir)
(setq ivy-searcher--candidates '()) ; Clean up.
(dolist (item cands)
(setq file (plist-get item :file)) (setq file (s-replace dir "" file))
(progn ; Resolve line string.
(setq ln-str (plist-get item :string))
(setq col (plist-get item :column))
(setq ln-str (ivy-searcher--propertize-line-string ln-str input col)))
(progn ; Resolve information.
(setq pos (plist-get item :start)) (setq pos (number-to-string pos))
(setq ln (plist-get item :line-number)) (setq ln (number-to-string ln))
(setq col (number-to-string col)))
(setq candidate
(cl-case ivy-searcher-display-info
(position
(concat (propertize file 'face 'ivy-grep-info)
(ivy-searcher--separator-string)
(propertize pos 'face 'ivy-grep-line-number)
(ivy-searcher--separator-string)
ln-str))
(line/column
(concat (propertize file 'face 'ivy-grep-info)
(ivy-searcher--separator-string)
(propertize ln 'face 'ivy-grep-line-number)
(ivy-searcher--separator-string)
(propertize col 'face 'ivy-grep-line-number)
(ivy-searcher--separator-string)
ln-str))))
(push candidate candidates)
;; Record down all the candidates.
(push (cons candidate item) ivy-searcher--candidates))
candidates))
(defun ivy-searcher--do-search-project (input)
"Search for INPUT in project."
(let ((project-dir (ivy-searcher--project-path))
(cands (searcher-search-in-project input)))
(setq ivy-searcher--search-string input)
(ivy-searcher--do-search-input-action input cands project-dir)))
(defun ivy-searcher--do-search-file (input)
"Search for INPUT in file."
(let ((dir (f-slash (f-dirname ivy-searcher--target-buffer)))
(cands (searcher-search-in-file ivy-searcher--target-buffer input)))
(setq ivy-searcher--search-string input)
(ivy-searcher--do-search-input-action input cands dir)))
;;;###autoload
(defun ivy-searcher-search-project ()
"Search through the project."
(interactive)
(ivy-searcher--init)
(let ((ivy-searcher--initial-input (ivy-searcher--initial-input-or-region)))
(ivy-read (format ivy-searcher--prompt-format "Search")
#'ivy-searcher--do-search-project
:initial-input ivy-searcher--initial-input
:dynamic-collection t
:require-match t
:update-fn #'ivy-searcher--search-preselect
:action #'ivy-searcher--do-search-complete-action)))
;;;###autoload
(defun ivy-searcher-search-file ()
"Search through current file."
(interactive)
(ivy-searcher--init)
(let ((ivy-searcher--initial-input (ivy-searcher--initial-input-or-region))
(ivy-searcher--target-buffer (or (buffer-file-name) (buffer-name))))
(ivy-read (format ivy-searcher--prompt-format "Search")
#'ivy-searcher--do-search-file
:initial-input ivy-searcher--initial-input
:dynamic-collection t
:require-match t
:update-fn #'ivy-searcher--search-preselect
:action #'ivy-searcher--do-search-complete-action)))
;;; Replace
(defun ivy-searcher--do-replace-complete-action (_cand)
"Replace all recorded candidates."
(let ((output-files '()))
(dolist (cand ivy-searcher--candidates)
(let* ((cand-plist (cdr cand))
(file (plist-get cand-plist :file))
(new-content nil))
(unless (ivy-searcher--is-contain-list-string output-files file)
(push file output-files)
(setq new-content (s-replace-regexp ivy-searcher--search-string
ivy-searcher--replace-string
(ivy-searcher--get-string-from-file file)
t))
(write-region new-content nil file))))))
(defun ivy-searcher--do-replace (input)
"Update the candidates with INPUT in ivy so the user can look at it."
(setq ivy-searcher--replace-string input)
(let ((candidates '()))
(dolist (cand ivy-searcher--candidates)
(let* ((cand-str (car cand)) (cand-plist (cdr cand))
(ln-str (plist-get cand-plist :string)))
(setq cand
(concat
(substring cand-str 0 (- (length cand-str) (length ln-str)))
(s-replace-regexp ivy-searcher--search-string input ln-str t)))
(push cand candidates)))
(reverse candidates)))
(defun ivy-searcher--do-replace-matched-action (_cand)
"Get the new string input and replace all candidates."
(ivy-read (format ivy-searcher--prompt-format
(format "Replace %s with" ivy-searcher--search-string))
#'ivy-searcher--do-replace
:dynamic-collection t
:require-match t
:update-fn #'ivy-searcher--search-preselect
:action #'ivy-searcher--do-replace-complete-action))
;;;###autoload
(defun ivy-searcher-replace-project ()
"Search and replace string in project."
(interactive)
(ivy-searcher--init)
(let ((ivy-searcher--initial-input (ivy-searcher--initial-input-or-region)))
(ivy-read (format ivy-searcher--prompt-format "Replace")
#'ivy-searcher--do-search-project
:initial-input ivy-searcher--initial-input
:dynamic-collection t
:require-match t
:update-fn #'ivy-searcher--search-preselect
:action #'ivy-searcher--do-replace-matched-action)))
;;;###autoload
(defun ivy-searcher-replace-file ()
"Search and replace string in file."
(interactive)
(ivy-searcher--init)
(let ((ivy-searcher--initial-input (ivy-searcher--initial-input-or-region))
(ivy-searcher--target-buffer (or (buffer-file-name) (buffer-name))))
(ivy-read (format ivy-searcher--prompt-format "Replace")
#'ivy-searcher--do-search-file
:initial-input ivy-searcher--initial-input
:dynamic-collection t
:require-match t
:update-fn #'ivy-searcher--search-preselect
:action #'ivy-searcher--do-replace-matched-action)))
(provide 'ivy-searcher)
;;; ivy-searcher.el ends here