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helm-ag.el
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helm-ag.el
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;;; helm-ag.el --- The silver searcher with helm interface -*- lexical-binding: t; -*-
;; Copyright (C) 2017 by Syohei YOSHIDA
;; Author: Syohei YOSHIDA <syohex@gmail.com>
;; URL: https://github.com/syohex/emacs-helm-ag
;; Version: 0.64
;; Package-Requires: ((emacs "25.1") (helm "2.0"))
;; 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:
;; helm-ag provides interfaces of the silver searcher(Other search programs can be used
;; such as the platinum searcher, ack). And helm-ag provides wgrep like features which
;; users can edit from searched result.
;;; Code:
(eval-when-compile
(require 'grep)
(defvar helm-help-message))
(require 'cl-lib)
(require 'helm)
(require 'helm-grep)
(require 'helm-occur)
(require 'helm-utils)
(require 'compile)
(require 'subr-x)
(declare-function helm-read-file-name "helm-mode")
(declare-function helm-grep-get-file-extensions "helm-grep")
(declare-function helm-help "helm-help")
(defgroup helm-ag nil
"the silver searcher with helm interface"
:group 'helm)
(defsubst helm-ag--windows-p ()
"Check ag available window."
(memq system-type '(ms-dos windows-nt)))
(defcustom helm-ag-base-command
(if (helm-ag--windows-p)
"ag --vimgrep"
"ag --nocolor --nogroup")
"Base command of `ag'."
:type 'string
:group 'helm-ag)
(defcustom helm-ag-command-option nil
"Command line option of `ag'. This is appended after `helm-ag-base-command'."
:type 'string
:group 'helm-ag)
(defcustom helm-ag-success-exit-status nil
"Allows specifying the return code or codes of `helm-ag-base-command' that \
will be treated as successful."
:type '(choice integer
(list integer)))
(defcustom helm-ag-insert-at-point nil
"Insert thing at point as search pattern.
You can set value same as `thing-at-point'"
:type 'symbol
:group 'helm-ag)
(defcustom helm-ag-ignore-patterns nil
"Ignore patterns for `ag'. This parameters are specified as --ignore."
:type '(repeat string))
(defcustom helm-ag-use-grep-ignore-list nil
"Use `grep-find-ignored-files' and `grep-find-ignored-directories' as \
ignore pattern.
They are specified to `--ignore' options."
:type 'boolean
:group 'helm-ag)
(defcustom helm-ag-always-set-extra-option nil
"Always set `ag' options of `helm-do-ag'."
:type 'boolean
:group 'helm-ag)
(defcustom helm-ag-fuzzy-match nil
"Enable fuzzy match."
:type 'boolean
:group 'helm-ag)
(defcustom helm-ag-edit-save t
"Save buffers you edit at completed."
:type 'boolean
:group 'helm-ag)
(defcustom helm-ag-use-emacs-lisp-regexp nil
"[Experimental] Use Emacs Lisp regexp instead of PCRE."
:type 'boolean
:group 'helm-ag)
(defcustom helm-ag-use-agignore nil
"Use .agignore where is at project root if it exists."
:type 'boolean
:group 'helm-ag)
(defcustom helm-ag-use-temp-buffer nil
"Use temporary buffer for persistent action."
:type 'boolean
:group 'helm-ag)
(defcustom helm-ag-ignore-buffer-patterns nil
"Use temporary buffer for persistent action."
:type '(repeat regexp)
:group 'helm-ag)
(defcustom helm-ag-show-status-function 'helm-ag-show-status-default-mode-line
"Function called after that `ag' process is finished after `helm-do-ag'.
Default behaviour shows finish and result in mode-line."
:type 'function
:group 'helm-ag)
(defface helm-ag-edit-deleted-line
'((t (:inherit font-lock-comment-face :strike-through t)))
"Face of deleted line in edit mode.")
(defvar helm-ag--command-history '())
(defvar helm-ag--helm-history '())
(defvar helm-ag--context-stack nil)
(defvar helm-ag--default-directory nil)
(defvar helm-ag--last-default-directory nil)
(defvar helm-ag--last-query nil)
(defvar helm-ag--last-command nil)
(defvar helm-ag--elisp-regexp-query nil)
(defvar helm-ag--valid-regexp-for-emacs nil)
(defvar helm-ag--extra-options nil)
(defvar helm-ag--extra-options-history nil)
(defvar helm-ag--original-window nil)
(defvar helm-ag--search-this-file-p nil)
(defvar helm-ag--default-target nil)
(defvar helm-ag--buffer-search nil)
(defvar helm-ag--command-features '())
(defvar helm-ag--ignore-case nil)
(defvar helm-do-ag--extensions nil)
(defvar helm-do-ag--commands nil)
(defun helm-ag--ignore-case-p (cmds input)
"Not documented, CMDS, INPUT."
(cl-loop for cmd in cmds
when (member cmd '("-i" "--ignore-case"))
return t
when (member cmd '("-s" "--case-sensitive"))
return nil
finally
return (let ((case-fold-search nil))
(not (string-match-p "[A-Z]" input)))))
(defun helm-ag--save-current-context ()
"Not documented."
(let ((curpoint (with-helm-current-buffer
(point))))
(helm-aif (buffer-file-name helm-current-buffer)
(push (list :file it :point curpoint) helm-ag--context-stack)
(push (list :buffer helm-current-buffer :point curpoint) helm-ag--context-stack))))
(defun helm-ag--insert-thing-at-point (thing)
"Not documented, THING."
(helm-aif (thing-at-point thing)
(substring-no-properties it)
""))
(defun helm-ag--searched-word ()
"Not documented."
(if helm-ag-insert-at-point
(helm-ag--insert-thing-at-point helm-ag-insert-at-point)
""))
(defun helm-ag--construct-ignore-option (pattern)
"Not documented, PATTERN."
(concat "--ignore=" pattern))
(defun helm-ag--grep-ignore-list-to-options ()
"Not documented."
(require 'grep)
(cl-loop for ignore in (append grep-find-ignored-files
grep-find-ignored-directories)
collect (helm-ag--construct-ignore-option ignore)))
(defun helm-ag--parse-options-and-query (input)
"Not documented, INPUT."
(with-temp-buffer
(insert input)
(let (end options)
(goto-char (point-min))
(when (re-search-forward "\\s-*--\\s-+" nil t)
(setq end (match-end 0)))
(goto-char (point-min))
(while (re-search-forward "\\(?:\\=\\|\\s-+\\)\\(-\\S-+\\)\\(?:\\s-+\\|$\\)" end t)
(push (match-string-no-properties 1) options)
(when end
(cl-decf end (- (match-end 0) (match-beginning 0))))
(replace-match ""))
(cons options (buffer-string)))))
(defun helm-ag--parse-query (input)
"Not documented, INPUT."
(let* ((parsed (helm-ag--parse-options-and-query input))
(options (car parsed))
(query (cdr parsed)))
(when helm-ag-use-emacs-lisp-regexp
(setq query (helm-ag--elisp-regexp-to-pcre query)))
(setq helm-ag--last-query query
helm-ag--elisp-regexp-query (helm-ag--convert-to-elisp-regexp query))
(setq helm-ag--valid-regexp-for-emacs
(helm-ag--validate-regexp helm-ag--elisp-regexp-query))
(if (not options)
(list query)
(nconc (nreverse options) (list query)))))
(defsubst helm-ag--search-buffer-p (bufname)
"Not documented, BUFNAME."
(cl-loop for regexp in helm-ag-ignore-buffer-patterns
never (string-match-p regexp bufname)))
(defun helm-ag--file-visited-buffers ()
"Not documented."
(let ((bufs (cl-loop for buf in (buffer-list)
when (buffer-file-name buf)
collect it)))
(if (not helm-ag-ignore-buffer-patterns)
bufs
(cl-loop for buf in bufs
when (helm-ag--search-buffer-p buf)
collect buf))))
(defun helm-ag--construct-targets (targets)
"Not documented, TARGETS."
(let ((default-directory helm-ag--default-directory))
(cl-loop for target in targets
collect (file-relative-name target))))
(defun helm-ag--root-agignore ()
"Not documented."
(let ((root (helm-ag--project-root)))
(when root
(let ((default-directory root))
(when (file-exists-p ".agignore")
(expand-file-name (concat default-directory ".agignore")))))))
(defun helm-ag--construct-command (this-file)
"Not documented, THIS-FILE."
(let* ((commands (split-string helm-ag-base-command nil t))
(command (car commands))
(args (cdr commands)))
(when helm-ag-command-option
(let ((ag-options (split-string helm-ag-command-option nil t)))
(setq args (append args ag-options))))
(when helm-ag-use-agignore
(helm-aif (helm-ag--root-agignore)
(setq args (append args (list "-p" it)))))
(when helm-ag-ignore-patterns
(setq args (append args (mapcar 'helm-ag--construct-ignore-option
helm-ag-ignore-patterns))))
(when helm-ag-use-grep-ignore-list
(setq args (append args (helm-ag--grep-ignore-list-to-options))))
(setq args (append args (helm-ag--parse-query helm-ag--last-query)))
(when this-file
(setq args (append args (list this-file))))
(when helm-ag--buffer-search
(setq args (append args (helm-ag--file-visited-buffers))))
(when helm-ag--default-target
(setq args (append args (helm-ag--construct-targets helm-ag--default-target))))
(cons command args)))
(defun helm-ag--remove-carrige-returns ()
"Not documented."
(when (helm-ag--windows-p)
(save-excursion
(goto-char (point-min))
(while (re-search-forward "\xd" nil t)
(replace-match "")))))
(defun helm-ag--abbreviate-file-name ()
"Not documented."
(unless (helm-ag--windows-p)
(save-excursion
(goto-char (point-min))
(forward-line 1)
(while (re-search-forward "^\\([^:]+\\)" nil t)
(replace-match (abbreviate-file-name (match-string-no-properties 1)))))))
(defun helm-ag--command-succeeded-p (exit-status)
"Not documented, EXIT-STATUS."
(cond ((integerp helm-ag-success-exit-status) (= exit-status helm-ag-success-exit-status))
((consp helm-ag-success-exit-status) (member exit-status helm-ag-success-exit-status))
(t (zerop exit-status))))
(defun helm-ag--init ()
"Not documented."
(let ((buf-coding buffer-file-coding-system))
(helm-attrset 'recenter t)
(with-current-buffer (helm-candidate-buffer 'global)
(let* ((default-directory (or helm-ag--default-directory
default-directory))
(cmds (helm-ag--construct-command (helm-attr 'search-this-file)))
(coding-system-for-read buf-coding)
(coding-system-for-write buf-coding))
(setq helm-ag--ignore-case (helm-ag--ignore-case-p cmds helm-ag--last-query)
helm-ag--last-command cmds)
(let ((ret (apply #'process-file (car cmds) nil t nil (cdr cmds))))
(if (zerop (length (buffer-string)))
(error "No ag output: '%s'" helm-ag--last-query)
(unless (helm-ag--command-succeeded-p ret)
(unless (executable-find (car cmds))
(error "'%s' is not installed" (car cmds)))
(error "Failed: '%s'" helm-ag--last-query))))
(when helm-ag--buffer-search
(helm-ag--abbreviate-file-name))
(helm-ag--remove-carrige-returns)
(helm-ag--save-current-context)))))
(add-to-list 'debug-ignored-errors "^No ag output: ")
(defun helm-ag--search-only-one-file-p ()
"Not documented."
(when (and helm-ag--default-target (= (length helm-ag--default-target) 1))
(let ((target (car helm-ag--default-target)))
(unless (file-directory-p target)
target))))
(defun helm-ag--find-file-action (candidate find-func this-file &optional persistent)
"Not documented, CANDIDATE, FIND-FUNC, THIS-FILE, PERSISTENT."
(when (memq 'pt helm-ag--command-features)
;; 'pt' always show filename if matched file is only one.
(setq this-file nil))
(let* ((file-line (helm-grep-split-line candidate))
(filename (or this-file (cl-first file-line) candidate))
(line (if this-file
(cl-first (split-string candidate ":"))
(cl-second file-line)))
(default-directory (or helm-ag--default-directory
helm-ag--last-default-directory
default-directory)))
(unless persistent
(setq helm-ag--last-default-directory default-directory))
(funcall find-func filename)
(goto-char (point-min))
(when line
(forward-line (1- (string-to-number line))))
(ignore-errors
(and (re-search-forward helm-ag--last-query (line-end-position) t)
;; `helm-goto-char' expands folded headings/outlines if needed
(helm-goto-char (match-beginning 0))))))
(defun helm-ag--open-file-with-temp-buffer (filename)
"Not documented, FILENAME."
(let ((search-directory default-directory))
(switch-to-buffer (get-buffer-create " *helm-ag persistent*"))
(setq default-directory search-directory
buffer-read-only nil)
(fundamental-mode)
(erase-buffer)
(insert-file-contents filename)
(let ((buffer-file-name filename))
(set-auto-mode)
(font-lock-fontify-region (point-min) (point-max)))))
(defsubst helm-ag--vimgrep-option ()
"Not documented."
(member "--vimgrep" helm-ag--last-command))
(defun helm-ag--search-this-file-p ()
"Not documented."
(unless (helm-ag--vimgrep-option)
(if (eq (helm-get-current-source) 'helm-source-do-ag)
(helm-ag--search-only-one-file-p)
(helm-attr 'search-this-file))))
(defun helm-ag--persistent-action (candidate)
"Not documented, CANDIDATE."
(let ((find-func (if helm-ag-use-temp-buffer
#'helm-ag--open-file-with-temp-buffer
#'find-file))
(helm-ag-p (assoc-default 'real-to-display (helm-get-current-source))))
(helm-ag--find-file-action candidate find-func (helm-ag--search-this-file-p) t)
(let ((helm-input (if helm-ag-p
(concat helm-ag--last-query " " helm-input)
helm-input)))
(helm-highlight-current-line))))
(defun helm-ag--validate-regexp (regexp)
"Not documented, REGEXP."
(condition-case nil
(progn
(string-match-p regexp "")
t)
(invalid-regexp nil)))
(defun helm-ag--convert-to-elisp-regexp (regexp)
"Not documented, REGEXP."
;; This is very simple conversion
(with-temp-buffer
(insert regexp)
(goto-char (point-min))
;; convert (, ), {, }, |
(while (re-search-forward "[(){}|]" nil t)
(backward-char 1)
(cond ((looking-back "\\\\\\\\" nil))
((looking-back "\\\\" nil)
(delete-char -1))
(t
(insert "\\")))
(forward-char 1))
;; convert \s and \S -> \s- \S-
(goto-char (point-min))
(while (re-search-forward "\\(\\\\s\\)" nil t)
(unless (looking-back "\\\\\\\\s" nil)
(insert "-")))
(buffer-string)))
(defun helm-ag--elisp-regexp-to-pcre (regexp)
"Not documented, REGEXP."
(with-temp-buffer
(insert regexp)
(goto-char (point-min))
(while (re-search-forward "[(){}|]" nil t)
(backward-char 1)
(cond ((looking-back "\\\\\\\\" nil))
((looking-back "\\\\" nil)
(delete-char -1))
(t
(insert "\\")))
(forward-char 1))
(buffer-string)))
(defun helm-ag--highlight-candidate (candidate)
"Not documented, CANDIDATE."
(let ((limit (1- (length candidate)))
(last-pos 0)
(case-fold-search helm-ag--ignore-case))
(when helm-ag--valid-regexp-for-emacs
(while (and (< last-pos limit)
(string-match helm-ag--elisp-regexp-query candidate last-pos))
(let ((start (match-beginning 0))
(end (match-end 0)))
(if (= start end)
(cl-incf last-pos)
(put-text-property start end 'face 'helm-match candidate)
(setq last-pos (1+ (match-end 0)))))))
candidate))
(defun helm-ag--candidate-transform-for-this-file (candidate)
"Not documented, CANDIDATE."
(when (string-match "\\`\\([^:]+\\):\\(.*\\)" candidate)
(format "%s:%s"
(propertize (match-string 1 candidate) 'face 'helm-grep-lineno)
(helm-ag--highlight-candidate (match-string 2 candidate)))))
(defun helm-ag--candidate-transform-for-files (candidate)
"Not documented, CANDIDATE."
(helm-aif (helm-grep-split-line candidate)
(format "%s:%s:%s"
(propertize (cl-first it) 'face 'helm-moccur-buffer)
(propertize (cl-second it) 'face 'helm-grep-lineno)
(helm-ag--highlight-candidate (cl-third it)))))
(defun helm-ag--candidate-transformer (candidate)
"Not documented, CANDIDATE."
(or (if (helm-attr 'search-this-file)
(helm-ag--candidate-transform-for-this-file candidate)
(helm-ag--candidate-transform-for-files candidate))
candidate))
(defun helm-ag--action-find-file (candidate)
"Not documented, CANDIDATE."
(helm-ag--find-file-action candidate 'find-file (helm-ag--search-this-file-p)))
(defun helm-ag--action-find-file-other-window (candidate)
"Not documented, CANDIDATE."
(helm-ag--find-file-action candidate 'find-file-other-window (helm-ag--search-this-file-p)))
(defvar helm-ag--actions
(helm-make-actions
"Open file" #'helm-ag--action-find-file
"Open file other window" #'helm-ag--action-find-file-other-window
"Save results in buffer" #'helm-ag--action-save-buffer
"Edit search results" #'helm-ag--edit)
"Not documented.")
(defvar helm-ag-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map helm-map)
(define-key map (kbd "C-c o") 'helm-ag--run-other-window-action)
(define-key map (kbd "C-l") 'helm-ag--up-one-level)
(define-key map (kbd "C-c C-e") 'helm-ag-edit)
(define-key map (kbd "C-x C-s") 'helm-ag--run-save-buffer)
(define-key map (kbd "C-c ?") 'helm-ag-help)
(define-key map (kbd "C-c >") 'helm-ag--next-file)
(define-key map (kbd "<right>") 'helm-ag--next-file)
(define-key map (kbd "C-c <") 'helm-ag--previous-file)
(define-key map (kbd "<left>") 'helm-ag--previous-file)
map)
"Keymap for `helm-ag'.")
(defvar helm-ag-source
(helm-build-in-buffer-source "The Silver Searcher"
:init 'helm-ag--init
:real-to-display 'helm-ag--candidate-transformer
:persistent-action 'helm-ag--persistent-action
:fuzzy-match helm-ag-fuzzy-match
:action helm-ag--actions
:candidate-number-limit 9999
:keymap helm-ag-map
:follow (and helm-follow-mode-persistent 1))
"Not documented.")
;;;###autoload
(defun helm-ag-pop-stack ()
"Not documented."
(interactive)
(let ((context (pop helm-ag--context-stack)))
(unless context
(error "Context stack is empty !"))
(helm-aif (plist-get context :file)
(find-file it)
(let ((buf (plist-get context :buffer)))
(if (buffer-live-p buf)
(switch-to-buffer buf)
(error "The buffer is already killed"))))
(goto-char (plist-get context :point))))
;;;###autoload
(defun helm-ag-clear-stack ()
"Not documented."
(interactive)
(setq helm-ag--context-stack nil))
(defun helm-ag--marked-input (escape)
"Not documented, ESCAPE."
(when (use-region-p)
(let ((input (buffer-substring-no-properties (region-beginning) (region-end))))
(deactivate-mark)
(if (not escape)
input
(replace-regexp-in-string " " "\\\\ " input)))))
(defun helm-ag--query (&optional query)
"Not documented, QUERY."
(let* ((searched-word (helm-ag--searched-word))
(marked-word (helm-ag--marked-input nil))
(query (or query
(read-from-minibuffer "Pattern: "
(or marked-word searched-word)
nil
nil
'helm-ag--command-history
(helm-aif (symbol-at-point)
(symbol-name it))))))
(when (string-empty-p query)
(error "Input is empty!!"))
(setq helm-ag--last-query query)))
(defsubst helm-ag--init-state ()
"Not documented."
(setq helm-ag--original-window (selected-window)
helm-ag--last-default-directory nil))
(defun helm-ag--get-default-directory ()
"Not documented."
(let ((prefix-val (and current-prefix-arg (abs (prefix-numeric-value current-prefix-arg)))))
(cond ((not prefix-val) default-directory)
((= prefix-val 4)
(file-name-as-directory
(read-directory-name "Search directory: " nil nil t)))
((= prefix-val 16)
(let ((dirs (list (read-directory-name "Search directory: " nil nil t))))
(while (y-or-n-p "More directories ? ")
(push (read-directory-name "Search directory: " nil nil t) dirs))
(reverse dirs))))))
(defsubst helm-ag--helm-header (dir)
"Not documented, DIR."
(if helm-ag--buffer-search
"Search Buffers"
(concat "Search at " (abbreviate-file-name dir))))
(defun helm-ag--run-other-window-action ()
"Not documented."
(interactive)
(with-helm-alive-p
(helm-exit-and-execute-action #'helm-ag--action-find-file-other-window)))
(defun helm-ag--exit-from-edit-mode ()
"Not documented."
(when (window-live-p helm-ag--original-window)
(select-window helm-ag--original-window))
(kill-buffer (get-buffer "*helm-ag-edit*")))
(defun helm-ag--match-line-regexp ()
"Not documented."
;; $1: file name
;; $2: line
;; $3: match body
;; $4: file attributes part(filename, line, column)
(cond ((helm-ag--vimgrep-option)
"^\\(?4:\\(?1:[^:]+\\):\\(?2:[1-9][0-9]*\\):[^:]+:\\)\\(?3:.*\\)$")
(helm-ag--search-this-file-p
"^\\(?4:\\(?2:[1-9][0-9]*\\)[:-]\\)\\(?3:.*\\)$")
(t
"^\\(?4:\\(?1:[^:]+\\):\\(?2:[1-9][0-9]*\\)[:-]\\)\\(?3:.*\\)$")))
(defun helm-ag--edit-commit ()
"Not documented."
(interactive)
(goto-char (point-min))
(let ((read-only-files 0)
(files-to-lines (make-hash-table :test #'equal))
(regexp (helm-ag--match-line-regexp))
(line-deletes (make-hash-table :test #'equal)))
;; Group changes by file
(while (re-search-forward regexp nil t)
(let* ((file (or (match-string-no-properties 1) helm-ag--search-this-file-p))
(line (string-to-number (match-string-no-properties 2)))
(body (match-string-no-properties 3))
(ovs (overlays-at (line-beginning-position)))
(lines-list (gethash file files-to-lines)))
(if (not (file-writable-p file))
(cl-incf read-only-files)
(if lines-list
(progn
(push (list line body ovs) lines-list)
(puthash file lines-list files-to-lines))
(puthash file (list (list line body ovs)) files-to-lines)))))
;; Batch edits by file
(maphash
(lambda (curr-file lines-data)
(with-temp-buffer
(insert-file-contents curr-file)
(dolist (curr-line-data (reverse lines-data))
(cl-destructuring-bind
(line body ovs) curr-line-data
(goto-char (point-min))
(let ((deleted-lines (gethash curr-file line-deletes 0))
(deleted (and ovs (overlay-get (car ovs) 'helm-ag-deleted))))
(forward-line (- line 1 deleted-lines))
(delete-region (line-beginning-position) (line-end-position))
(if (not deleted)
(insert body)
(let ((beg (point)))
(forward-line 1)
(delete-region beg (point))
(puthash curr-file (1+ deleted-lines) line-deletes))))))
(when helm-ag-edit-save
(write-region (point-min) (point-max) curr-file))))
files-to-lines)
;; Finish
(helm-ag--exit-from-edit-mode)
(if (not (zerop read-only-files))
(message "%d files are read-only and not editable." read-only-files)
(message "Success update"))))
(defun helm-ag--edit-abort ()
"Not documented."
(interactive)
(when (y-or-n-p "Discard changes ? ")
(helm-ag--exit-from-edit-mode)
(message "Abort edit")))
(defun helm-ag--mark-line-deleted ()
"Not documented."
(interactive)
(let* ((beg (line-beginning-position))
(end (line-end-position))
(ov (make-overlay beg end)))
(overlay-put ov 'face 'helm-ag-edit-deleted-line)
(overlay-put ov 'helm-ag-deleted t)))
(defun helm-ag--unmark ()
"Not documented."
(interactive)
(dolist (ov (overlays-in (line-beginning-position) (line-end-position)))
(when (overlay-get ov 'helm-ag-deleted)
(delete-overlay ov))))
(defvar helm-ag-edit-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "C-c C-c") 'helm-ag--edit-commit)
(define-key map (kbd "C-c C-k") 'helm-ag--edit-abort)
(define-key map (kbd "C-c C-d") 'helm-ag--mark-line-deleted)
(define-key map (kbd "C-c C-u") 'helm-ag--unmark)
map)
"Not documented.")
(defsubst helm-ag--edit-func-to-keys (func)
"Not documented, FUNC."
(key-description (car-safe (where-is-internal func helm-ag-edit-map))))
(defun helm-ag--edit (_candidate)
"Not documented."
(let* ((helm-buf-dir (or helm-ag--default-directory
helm-ag--last-default-directory
default-directory))
(default-directory helm-buf-dir))
(with-current-buffer (get-buffer-create "*helm-ag-edit*")
(let ((inhibit-read-only t))
(erase-buffer))
(setq-local helm-ag--default-directory helm-buf-dir)
(unless (helm-ag--vimgrep-option)
(setq-local helm-ag--search-this-file-p
(assoc-default 'search-this-file (helm-get-current-source))))
(let (buf-content)
(with-current-buffer (get-buffer "*helm-ag*")
(goto-char (point-min))
(forward-line 1)
(let* ((body-start (point))
(marked-lines (cl-loop for ov in (overlays-in body-start (point-max))
when (eq 'helm-visible-mark (overlay-get ov 'face))
return (helm-marked-candidates))))
(if (not marked-lines)
(setq buf-content (buffer-substring-no-properties
body-start (point-max)))
(setq buf-content (concat (string-join marked-lines "\n") "\n")))))
(insert buf-content)
(add-text-properties (point-min) (point-max)
'(read-only t rear-nonsticky t front-sticky t))
(let ((inhibit-read-only t)
(regexp (helm-ag--match-line-regexp)))
(setq header-line-format
(format "[%s] %s: Commit, %s: Abort"
(abbreviate-file-name helm-ag--default-directory)
(helm-ag--edit-func-to-keys #'helm-ag--edit-commit)
(helm-ag--edit-func-to-keys #'helm-ag--edit-abort)))
(goto-char (point-min))
(while (re-search-forward regexp nil t)
(let ((file-line-begin (match-beginning 4))
(file-line-end (match-end 4))
(body-begin (match-beginning 3))
(body-end (match-end 3)))
(add-text-properties file-line-begin file-line-end
'(face font-lock-function-name-face
intangible t))
(remove-text-properties body-begin body-end '(read-only t))
(set-text-properties body-end (1+ body-end)
'(read-only t rear-nonsticky t))))))))
(other-window 1)
(switch-to-buffer (get-buffer "*helm-ag-edit*"))
(goto-char (point-min))
(setq next-error-function 'compilation-next-error-function)
(setq-local compilation-locs (make-hash-table :test 'equal :weakness 'value))
(use-local-map helm-ag-edit-map))
(defun helm-ag-edit ()
"Not documented."
(interactive)
(helm-exit-and-execute-action 'helm-ag--edit))
(defconst helm-ag--help-message
"\n* Helm Ag\n
\n** Specific commands for Helm Ag:\n
\\<helm-ag-map>
\\[helm-ag--run-other-window-action]\t\t-> Open result in other buffer
\\[helm-ag--up-one-level]\t\t-> Search in parent directory.
\\[helm-ag-edit]\t\t-> Edit search results.
\\[helm-ag-help]\t\t-> Show this help.
\n** Helm Ag Map\n
\\{helm-map}"
"Not documented.")
(defun helm-ag-help ()
"Not documented."
(interactive)
(let ((helm-help-message helm-ag--help-message))
(helm-help)))
(defun helm-ag-mode-jump ()
"Not documented."
(interactive)
(let ((line (helm-current-line-contents)))
(helm-ag--find-file-action line 'find-file helm-ag--search-this-file-p)))
(defun helm-ag-mode-jump-other-window ()
"Not documented."
(interactive)
(let ((line (helm-current-line-contents)))
(helm-ag--find-file-action line 'find-file-other-window helm-ag--search-this-file-p)))
(defvar helm-ag-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "RET") 'helm-ag-mode-jump)
(define-key map (kbd "C-o") 'helm-ag-mode-jump-other-window)
(define-key map (kbd "g") 'helm-ag--update-save-results)
map)
"Not documented.")
(define-derived-mode helm-ag-mode special-mode "helm-ag"
"Major mode to provide actions in helm grep saved buffer.
Special commands:
\\{helm-ag-mode-map}")
(defun helm-ag--put-result-in-save-buffer (result search-this-file-p)
"Not documented, RESULT, SEARCH-THIS-FILE-P."
(setq buffer-read-only t)
(let ((inhibit-read-only t))
(erase-buffer)
(insert "-*- mode: helm-ag -*-\n\n"
(format "Ag Results for `%s':\n\n" helm-ag--last-query))
(save-excursion
(insert result)))
(helm-ag-mode)
(unless (helm-ag--vimgrep-option)
(setq-local helm-ag--search-this-file-p search-this-file-p))
(setq-local helm-ag--default-directory default-directory))
(defun helm-ag--save-results (use-other-buf)
"Not documented, USE-OTHER-BUF."
(let* ((search-this-file-p nil)
(result (with-current-buffer helm-buffer
(goto-char (point-min))
(forward-line 1)
(buffer-substring (point) (point-max))))
(default-directory helm-ag--default-directory)
(buf (if use-other-buf
(read-string "Results buffer name: "
(format "*helm ag results for '%s'*" helm-ag--last-query))
"*helm ag results*")))
(when (buffer-live-p (get-buffer buf))
(kill-buffer buf))
(with-current-buffer (get-buffer-create buf)
(helm-ag--put-result-in-save-buffer result search-this-file-p)
(pop-to-buffer buf)
(message "Helm Ag Results saved in `%s' buffer" buf))))
(defun helm-ag--update-save-results ()
"Not documented."
(interactive)
(let* ((default-directory helm-ag--default-directory)
(result (with-temp-buffer
(apply #'process-file (car helm-ag--last-command) nil t nil
(cdr helm-ag--last-command))
(helm-ag--remove-carrige-returns)
(when helm-ag--buffer-search
(helm-ag--abbreviate-file-name))
(helm-ag--propertize-candidates helm-ag--last-query)
(buffer-string))))
(helm-ag--put-result-in-save-buffer result helm-ag--search-this-file-p)
(message "Update Results")))
(defun helm-ag--action-save-buffer (_arg)
"Not documented."
(helm-ag--save-results nil))
(defun helm-ag--run-save-buffer ()
"Not documented."
(interactive)
(let ((use-other-buf-p current-prefix-arg))
(with-helm-alive-p
(helm-exit-and-execute-action
(lambda (_arg)
(helm-ag--save-results use-other-buf-p))))))
(defun helm-ag--file-of-current-file ()
"Not documented."
(let ((line (helm-current-line-contents)))
(when (string-match helm-grep-split-line-regexp line)
(match-string-no-properties 1 line))))
(defun helm-ag--move-file-common (pred move-fn wrap-fn)
"Not documented, PRED, MOVE-FN, WRAP-FN."
(with-helm-window
(let ((file (helm-ag--file-of-current-file)))
(funcall move-fn)
(while (and (not (funcall pred)) (string= file (helm-ag--file-of-current-file)))
(funcall move-fn))
(when (funcall pred)
(funcall wrap-fn)))))
(defun helm-ag--previous-file ()
"Not documented."
(interactive)
(helm-ag--move-file-common
#'helm-beginning-of-source-p #'helm-previous-line #'helm-end-of-buffer))
(defun helm-ag--next-file ()
"Not documented."
(interactive)
(helm-ag--move-file-common
#'helm-end-of-source-p #'helm-next-line #'helm-beginning-of-buffer))
(defsubst helm-ag--root-directory-p ()
"Not documented."
(cl-loop for dir in '(".git/" ".hg/")
thereis (file-directory-p dir)))
(defun helm-ag--up-one-level ()
"Not documented."
(interactive)
(if (or (not (helm-ag--root-directory-p))
(y-or-n-p "Current directory might be the project root. \
Continue searching the parent directory? "))
(let ((parent (file-name-directory (directory-file-name default-directory))))
(helm-run-after-exit
(lambda ()
(let* ((default-directory parent)
(helm-ag--default-directory parent))
(setq helm-ag--last-default-directory default-directory)
(helm-attrset 'name (helm-ag--helm-header default-directory) helm-ag-source)
(helm :sources '(helm-ag-source) :buffer "*helm-ag*" :keymap helm-ag-map
:history 'helm-ag--helm-history)))))
(message nil)))
;;;###autoload
(defun helm-ag-this-file (&optional query)
"Do ag with in this file with QUERY."
(interactive)
(helm-ag--init-state)
(let ((filename (file-name-nondirectory (buffer-file-name)))
(helm-ag--default-directory default-directory))
(helm-ag--query query)
(helm-ag--set-command-features)
(helm-attrset 'search-this-file (file-relative-name (buffer-file-name))
helm-ag-source)
(helm-attrset 'name (format "Search at %s" filename) helm-ag-source)
(helm :sources '(helm-ag-source) :buffer "*helm-ag*" :keymap helm-ag-map
:history 'helm-ag--helm-history)))
;;;###autoload
(defun helm-ag (&optional basedir query)
"Do ag with in BASEDIR and with QUERY."
(interactive)
(helm-ag--init-state)
(let ((dir (helm-ag--get-default-directory))
targets)
(when (listp dir)
(setq basedir default-directory
targets dir))
(let ((helm-ag--default-directory (or basedir dir))
(helm-ag--default-target targets))
(helm-ag--query query)
(helm-attrset 'search-this-file nil helm-ag-source)
(helm-attrset 'name (helm-ag--helm-header helm-ag--default-directory) helm-ag-source)
(helm :sources '(helm-ag-source) :buffer "*helm-ag*" :keymap helm-ag-map
:history 'helm-ag--helm-history))))
(defun helm-ag--split-string (str)
"Not documented, STR."
(with-temp-buffer
(insert str)
(goto-char (point-min))
(let ((prev (point))
patterns)
(while (search-forward " " nil 'move)
(cond ((looking-back "\\\\\\\\ " nil)
(push (buffer-substring-no-properties prev (1- (point))) patterns)
(skip-chars-forward " ")
(setq prev (point)))
((looking-back "\\\\ " nil)
(replace-match " "))
(t (push (buffer-substring-no-properties prev (1- (point))) patterns)
(skip-chars-forward " ")
(setq prev (point)))))
(push (buffer-substring-no-properties prev (point)) patterns)
(reverse (cl-loop for p in patterns unless (string= p "") collect p)))))
(defsubst helm-ag--convert-invert-pattern (pattern)
"Not documented, PATTERN."
(when (and (memq 'pcre helm-ag--command-features)
(string-prefix-p "!" pattern) (> (length pattern) 1))
(concat "^(?!.*" (substring pattern 1) ").+$")))
(defun helm-ag--join-patterns (input)
"Not documented, INPUT."
(let ((patterns (helm-ag--split-string input)))
(if (= (length patterns) 1)
(or (helm-ag--convert-invert-pattern (car patterns))
(car patterns))
(cond ((memq 'pcre helm-ag--command-features)
(cl-loop for s in patterns
if (helm-ag--convert-invert-pattern s)
concat (concat "(?=" it ")")
else
concat (concat "(?=.*" s ".*)")))
((memq 're2 helm-ag--command-features)
(string-join patterns ".*"))
;; we don't know anything about this pattern
(t input)))))
(defun helm-ag--do-ag-highlight-patterns (input)