2022-04-25 19:53:05 +00:00
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;;; helm-occur.el --- Incremental Occur for Helm. -*- lexical-binding: t -*-
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2022-11-08 03:31:08 +00:00
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;; Copyright (C) 2012 ~ 2021 Thierry Volpiatto
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2022-04-25 19:53:05 +00:00
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Code:
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(require 'cl-lib)
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(require 'helm)
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(require 'helm-help)
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(require 'helm-utils)
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(declare-function helm-buffers-get-visible-buffers "helm-buffers")
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(declare-function helm-buffer-list "helm-buffers")
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(declare-function helm-grep-split-line "helm-grep")
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(declare-function helm-grep-highlight-match "helm-grep")
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(declare-function helm-comp-read "helm-mode")
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2022-08-04 18:39:15 +00:00
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(defvar helm-current-error)
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2022-04-25 19:53:05 +00:00
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;;; Internals
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;;
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(defvar helm-source-occur nil
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"This will be the name of the source related to `current-buffer'.
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Don't use it as it value changes always.")
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(defvar helm-source-moccur nil
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"This is just a flag to add to `helm-sources-using-default-as-input'.
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Don't set it to any value, it will have no effect.")
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(defvar helm-occur--buffer-list nil)
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(defvar helm-occur--buffer-tick nil)
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(defvar helm-occur-history nil)
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(defvar helm-occur--search-buffer-regexp "\\`\\([0-9]*\\)\\s-\\{1\\}\\(.*\\)\\'"
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"The regexp matching candidates in helm-occur candidate buffer.")
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(defvar helm-occur-mode--last-pattern nil)
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(defvar helm-occur--initial-pos 0)
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(defvar helm-occur-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map helm-map)
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(define-key map (kbd "C-c o") 'helm-occur-run-goto-line-ow)
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(define-key map (kbd "C-c C-o") 'helm-occur-run-goto-line-of)
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(define-key map (kbd "C-x C-s") 'helm-occur-run-save-buffer)
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map)
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"Keymap used in occur source.")
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(defgroup helm-occur nil
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"Regexp related Applications and libraries for Helm."
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:group 'helm)
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(defcustom helm-occur-actions
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'(("Go to Line" . helm-occur-goto-line)
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("Goto line other window (C-u vertically)" . helm-occur-goto-line-ow)
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("Goto line new frame" . helm-occur-goto-line-of)
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("Save buffer" . helm-occur-save-results)
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)
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"Actions for helm-occur."
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:type '(alist :key-type string :value-type function))
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(defcustom helm-occur-use-ioccur-style-keys nil
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"Similar to `helm-grep-use-ioccur-style-keys' but for multi occur.
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Note that if you define this variable with `setq' your change will
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have no effect, use customize instead."
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:type 'boolean
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:set (lambda (var val)
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(set var val)
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(if val
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(progn
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(define-key helm-occur-map (kbd "<right>") 'helm-occur-right)
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(define-key helm-occur-map (kbd "<left>") 'helm-occur-run-default-action))
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(define-key helm-occur-map (kbd "<right>") nil)
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(define-key helm-occur-map (kbd "<left>") nil))))
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(defcustom helm-occur-always-search-in-current nil
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"Helm multi occur always search in current buffer when non--nil."
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:type 'boolean)
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(defcustom helm-occur-truncate-lines t
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"Truncate lines in occur buffer when non nil."
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:type 'boolean)
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(defcustom helm-occur-auto-update-on-resume nil
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"Allow auto updating helm-occur buffer when outdated.
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noask => Always update without asking
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nil => Don't update but signal buffer needs update
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never => Never update and do not signal buffer needs update
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Any other non--nil value update after confirmation."
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:type '(radio :tag "Allow auto updating helm-occur buffer when outdated."
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(const :tag "Always update without asking" noask)
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(const :tag "Never update and do not signal buffer needs update" never)
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(const :tag "Don't update but signal buffer needs update" nil)
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(const :tag "Update after confirmation" t)))
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(defcustom helm-occur-candidate-number-limit 99999
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"Value of `helm-candidate-number-limit' for helm-occur."
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:type 'integer)
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(defcustom helm-occur-buffer-substring-fn-for-modes
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'((mu4e-headers-mode . buffer-substring))
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"Function used to display buffer contents per major-mode.
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2022-11-08 03:31:08 +00:00
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Use this to display lines with their text properties in helm-occur
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buffer. Can be one of `buffer-substring' or `buffer-substring-no-properties'.
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See `helm-occur-buffer-substring-default-mode' to setup this globally.
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2022-04-25 19:53:05 +00:00
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Note that when using `buffer-substring' initialization will be slower."
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:type '(alist :key-type (symbol :tag "Mode")
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2022-11-08 03:31:08 +00:00
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:value-type (radio (const :tag "With text properties"
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buffer-substring)
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(const :tag "Without text properties"
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buffer-substring-no-properties))))
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(defcustom helm-occur-buffer-substring-default-mode
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'buffer-substring-no-properties
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"Function used to display buffer contents in helm-occur buffer.
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Default mode for major modes not defined in
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`helm-occur-buffer-substring-fn-for-modes'.
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Can be one of `buffer-substring' or `buffer-substring-no-properties'.
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Note that when using `buffer-substring' initialization will be
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slower. If buffer-substring, all buffers with the modes not
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defined in helm-occur-buffer-substring-fn-for-modes will be
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displayed with colors and properties in the helm-occur buffer"
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:type '(radio
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(const :tag "With text properties" buffer-substring)
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(const :tag "Without text properties" buffer-substring-no-properties)))
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2022-04-25 19:53:05 +00:00
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(defcustom helm-occur-keep-closest-position t
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"When non nil select closest candidate from point after update.
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This happen only in `helm-source-occur' which is always related to
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`current-buffer'."
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2022-08-04 18:39:15 +00:00
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:type 'boolean)
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(defcustom helm-occur-ignore-diacritics nil
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"When non nil helm-occur will ignore diacritics in patterns."
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:type 'boolean)
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2022-11-08 03:31:08 +00:00
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(defcustom helm-occur-match-shorthands nil
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"Transform pattern according to `read-symbol-shorthands' when non nil."
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:type 'boolean)
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2022-04-25 19:53:05 +00:00
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(defface helm-moccur-buffer
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`((t ,@(and (>= emacs-major-version 27) '(:extend t))
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:foreground "DarkTurquoise" :underline t))
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2022-08-04 18:39:15 +00:00
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"Face used to highlight occur buffer names.")
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2022-04-25 19:53:05 +00:00
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(defface helm-resume-need-update
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`((t ,@(and (>= emacs-major-version 27) '(:extend t))
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:background "red"))
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2022-08-04 18:39:15 +00:00
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"Face used to flash occur buffer when it needs update.")
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2022-04-25 19:53:05 +00:00
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(defun helm-occur--select-closest-candidate ()
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;; Prevent error with `with-helm-window' when switching to help.
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(unless (or (not (get-buffer-window helm-buffer 'visible))
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(string-equal helm-pattern ""))
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(with-helm-window
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(let ((lst '())
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(name (helm-get-attr 'name helm-source-occur))
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closest beg end)
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(while-no-input
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(goto-char (point-min))
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(if (string= name "Helm occur")
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(setq beg (point)
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end (point-max))
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(helm-awhile (helm-get-next-header-pos)
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(when (string= name (buffer-substring-no-properties
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(point-at-bol) (point-at-eol)))
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(forward-line 1)
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(setq beg (point)
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end (or (helm-get-next-header-pos) (point-max)))
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(cl-return))))
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(save-excursion
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(when (and beg end)
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(goto-char beg)
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(while (re-search-forward "^[0-9]+" end t)
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(push (string-to-number (match-string 0)) lst))
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(setq closest (helm-closest-number-in-list
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helm-occur--initial-pos lst))))
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(when (and closest (re-search-forward (format "^%s" closest) end t))
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(helm-mark-current-line)
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(goto-char (overlay-start
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helm-selection-overlay))))))))
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;;;###autoload
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(defun helm-occur ()
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"Preconfigured helm for searching lines matching pattern in `current-buffer'.
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When `helm-source-occur' is member of
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`helm-sources-using-default-as-input' which is the default,
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symbol at point is searched at startup.
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When a region is marked search only in this region by narrowing.
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To search in multiples buffers start from one of the commands listing
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buffers (i.e. a helm command using `helm-source-buffers-list' like
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`helm-mini') and use the multi occur buffers action.
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This is the helm implementation that collect lines matching pattern
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like vanilla Emacs `occur' but have nothing to do with it, the search
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engine beeing completely different and also much faster."
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(interactive)
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(setq helm-source-occur
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(car (helm-occur-build-sources (list (current-buffer)) "Helm occur")))
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(helm-set-local-variable 'helm-occur--buffer-list (list (current-buffer))
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'helm-occur--buffer-tick
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(list (buffer-chars-modified-tick (current-buffer))))
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(helm-set-attr 'header-name (lambda (_name)
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(format "HO [%s]"
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(buffer-name helm-current-buffer)))
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helm-source-occur)
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(when helm-occur-keep-closest-position
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(setq helm-occur--initial-pos (line-number-at-pos))
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(add-hook 'helm-after-update-hook 'helm-occur--select-closest-candidate))
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(save-restriction
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(let ((helm-sources-using-default-as-input
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(unless (> (buffer-size) 2000000)
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helm-sources-using-default-as-input))
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def pos)
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(when (use-region-p)
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;; When user mark defun with `mark-defun' with intention of
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;; using helm-occur on this region, it is relevant to use the
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;; thing-at-point located at previous position which have been
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;; pushed to `mark-ring', if it's within the active region.
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(let ((beg (region-beginning))
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(end (region-end))
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(prev-pos (car mark-ring)))
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(when (and prev-pos (>= prev-pos beg) (< prev-pos end))
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(setq def (save-excursion
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(goto-char (setq pos prev-pos))
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(helm-aif (thing-at-point 'symbol) (regexp-quote it)))))
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(narrow-to-region beg end)))
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(unwind-protect
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(helm :sources 'helm-source-occur
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:buffer "*helm occur*"
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:history 'helm-occur-history
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:default (or def (helm-aif (thing-at-point 'symbol)
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(regexp-quote it)))
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:preselect (and (memq 'helm-source-occur
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helm-sources-using-default-as-input)
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(format "^%d:" (line-number-at-pos
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(or pos (point)))))
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:truncate-lines helm-occur-truncate-lines)
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(deactivate-mark t)
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(remove-hook 'helm-after-update-hook 'helm-occur--select-closest-candidate)))))
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;;;###autoload
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(defun helm-occur-visible-buffers ()
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"Run helm-occur on all visible buffers in frame."
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(interactive)
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(require 'helm-buffers)
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(if (or (one-window-p) (region-active-p))
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(call-interactively #'helm-occur)
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(let ((buffers (helm-buffers-get-visible-buffers)))
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(helm-multi-occur-1 (mapcar 'get-buffer buffers)))))
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(defun helm-occur-transformer (candidates source)
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"Return CANDIDATES prefixed with line number."
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(cl-loop with buf = (helm-get-attr 'buffer-name source)
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2022-08-04 18:39:15 +00:00
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for c in candidates
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for disp-linum = (when (string-match helm-occur--search-buffer-regexp c)
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(let ((linum (match-string 1 c))
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(disp (match-string 2 c)))
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(list
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linum
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(format "%s:%s"
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(propertize
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linum 'face 'helm-grep-lineno
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'help-echo (buffer-file-name
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(get-buffer buf)))
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disp))))
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for linum = (car disp-linum)
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for disp = (cadr disp-linum)
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when (and disp (not (string= disp "")))
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collect (cons disp (string-to-number linum))))
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2022-04-25 19:53:05 +00:00
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2022-11-08 03:31:08 +00:00
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(defvar helm-occur--gshorthands nil)
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(defun helm-occur-symbol-shorthands-pattern-transformer (pattern buffer gshorthands)
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"Maybe transform PATTERN to its `read-symbol-shorthands' counterpart in BUFFER.
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GSHORTHANDS is the concatenation of all `read-symbol-shorthands' value found in
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all buffers i.e. `buffer-list'.
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When GSHORTHANDS is nil use PATTERN unmodified."
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(if gshorthands
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(let* ((lshorthands (buffer-local-value 'read-symbol-shorthands buffer))
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(prefix (cl-loop for (k . v) in gshorthands
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if (string-match (concat "\\`" k) pattern)
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return k
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else
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if (string-match (concat "\\`" v) pattern)
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return v))
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(lgstr (cdr (or (assoc prefix gshorthands)
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(rassoc prefix gshorthands)))))
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(if (and lgstr lshorthands)
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(concat (car (rassoc lgstr lshorthands))
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(replace-regexp-in-string prefix "" pattern))
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pattern))
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pattern))
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2022-04-25 19:53:05 +00:00
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(defclass helm-moccur-class (helm-source-in-buffer)
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((buffer-name :initarg :buffer-name
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:initform nil)
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(moccur-buffers :initarg :moccur-buffers
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:initform nil)
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(find-file-target :initform #'helm-occur-quit-an-find-file-fn)))
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(defun helm-occur-build-sources (buffers &optional source-name)
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"Build sources for `helm-occur' for each buffer in BUFFERS list."
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2022-11-08 03:31:08 +00:00
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(setq helm-occur--gshorthands nil)
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(and helm-occur-match-shorthands
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(setq helm-occur--gshorthands
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(cl-loop for b in (buffer-list)
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for rss = (buffer-local-value
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'read-symbol-shorthands
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b)
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when rss append rss)))
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(let (sources)
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(dolist (buf buffers)
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(let ((bname (buffer-name buf)))
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(push (helm-make-source (or source-name bname)
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'helm-moccur-class
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:header-name (lambda (name)
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(format "HO [%s]" (if (string= name "Helm occur")
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bname name)))
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:buffer-name bname
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:match-part
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(lambda (candidate)
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;; The regexp should match what is in candidate buffer,
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;; not what is displayed in helm-buffer e.g. "12 foo"
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;; and not "12:foo".
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(when (string-match helm-occur--search-buffer-regexp
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candidate)
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(match-string 2 candidate)))
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:diacritics helm-occur-ignore-diacritics
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:search (lambda (pattern)
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(when (string-match "\\`\\^\\([^ ]*\\)" pattern)
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(setq pattern (concat "^[0-9]* \\{1\\}" (match-string 1 pattern))))
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(condition-case _err
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(re-search-forward pattern nil t)
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(invalid-regexp nil)))
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:pattern-transformer (lambda (pattern)
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(helm-occur-symbol-shorthands-pattern-transformer
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pattern buf helm-occur--gshorthands))
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:init (lambda ()
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(with-current-buffer buf
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(let* ((bsfn (or (cdr (assq
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major-mode
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helm-occur-buffer-substring-fn-for-modes))
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helm-occur-buffer-substring-default-mode))
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(contents (funcall bsfn (point-min) (point-max))))
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(helm-set-attr 'get-line bsfn)
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(with-current-buffer (helm-candidate-buffer 'global)
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(insert contents)
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(goto-char (point-min))
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(let ((linum 1))
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(insert (format "%s " linum))
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(while (re-search-forward "\n" nil t)
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(cl-incf linum)
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(insert (format "%s " linum))))))))
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:filtered-candidate-transformer 'helm-occur-transformer
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:help-message 'helm-moccur-help-message
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:nomark t
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:migemo t
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;; Needed for resume.
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:history 'helm-occur-history
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:candidate-number-limit helm-occur-candidate-number-limit
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:action 'helm-occur-actions
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:requires-pattern 2
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:follow 1
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:group 'helm-occur
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:keymap helm-occur-map
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:resume 'helm-occur-resume-fn
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:moccur-buffers buffers)
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sources)))
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(nreverse sources)))
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2022-04-25 19:53:05 +00:00
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(defun helm-multi-occur-1 (buffers &optional input)
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"Run `helm-occur' on a list of buffers.
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Each buffer's result is displayed in a separated source."
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(let* ((curbuf (current-buffer))
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(bufs (if helm-occur-always-search-in-current
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(cons curbuf (remove curbuf buffers))
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buffers))
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(helm-sources-using-default-as-input
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(unless (cl-loop with total_size = 0
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for b in bufs
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do (setq total_size (buffer-size b))
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finally return (> total_size 2000000))
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helm-sources-using-default-as-input))
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(sources (helm-occur-build-sources bufs (and (eql curbuf (car bufs))
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(not (cdr bufs))
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"Helm occur")))
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(helm-maybe-use-default-as-input
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(not (null (memq 'helm-source-moccur
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helm-sources-using-default-as-input)))))
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(helm-set-local-variable 'helm-occur--buffer-list bufs
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'helm-occur--buffer-tick
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(cl-loop for b in bufs collect
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(buffer-chars-modified-tick
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(get-buffer b))))
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(when (and helm-occur-always-search-in-current
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helm-occur-keep-closest-position)
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(setq helm-source-occur
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(cl-loop for s in sources
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when (eql helm-current-buffer
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(get-buffer (helm-get-attr 'buffer-name s)))
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return s))
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(setq helm-occur--initial-pos (line-number-at-pos))
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(add-hook 'helm-after-update-hook 'helm-occur--select-closest-candidate))
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(unwind-protect
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(helm :sources sources
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:buffer "*helm moccur*"
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:history 'helm-occur-history
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2022-11-08 03:31:08 +00:00
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:default (helm-aif (thing-at-point 'symbol)
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(regexp-quote it))
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2022-04-25 19:53:05 +00:00
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:input input
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:truncate-lines helm-occur-truncate-lines)
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(remove-hook 'helm-after-update-hook 'helm-occur--select-closest-candidate))))
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;;; Actions
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;;
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(cl-defun helm-occur-action (lineno
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&optional (method (quote buffer)))
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"Jump to line number LINENO with METHOD.
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METHOD can be one of buffer, buffer-other-window, buffer-other-frame."
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(require 'helm-grep)
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(let ((buf (if (eq major-mode 'helm-occur-mode)
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(get-text-property (point) 'buffer-name)
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(helm-get-attr 'buffer-name)))
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(split-pat (helm-mm-split-pattern helm-input)))
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(cl-case method
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(buffer (switch-to-buffer buf))
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(buffer-other-window (helm-window-show-buffers (list buf) t))
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(buffer-other-frame (switch-to-buffer-other-frame buf)))
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(with-current-buffer buf
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(helm-goto-line lineno)
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;; Move point to the nearest matching regexp from bol.
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2022-11-08 03:31:08 +00:00
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(cl-loop for str in split-pat
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for reg = (helm-occur-symbol-shorthands-pattern-transformer
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str (get-buffer buf) helm-occur--gshorthands)
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2022-04-25 19:53:05 +00:00
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when (save-excursion
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(condition-case _err
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(if helm-migemo-mode
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(helm-mm-migemo-forward reg (point-at-eol) t)
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(re-search-forward reg (point-at-eol) t))
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(invalid-regexp nil)))
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collect (match-beginning 0) into pos-ls
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finally (when pos-ls (goto-char (apply #'min pos-ls)))))))
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(defun helm-occur-goto-line (candidate)
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"From multi occur, switch to buffer and CANDIDATE line."
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(helm-occur-action
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candidate 'buffer))
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(defun helm-occur-goto-line-ow (candidate)
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"Go to CANDIDATE line in other window.
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Same as `helm-occur-goto-line' but go in other window."
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(helm-occur-action
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candidate 'buffer-other-window))
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(defun helm-occur-goto-line-of (candidate)
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"Go to CANDIDATE line in new frame.
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Same as `helm-occur-goto-line' but go in new frame."
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(helm-occur-action
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candidate 'buffer-other-frame))
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2022-11-08 03:31:08 +00:00
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(helm-make-command-from-action helm-occur-run-goto-line-ow
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2022-04-25 19:53:05 +00:00
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"Run goto line other window action from `helm-occur'."
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2022-11-08 03:31:08 +00:00
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'helm-occur-goto-line-ow)
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2022-04-25 19:53:05 +00:00
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2022-11-08 03:31:08 +00:00
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(helm-make-command-from-action helm-occur-run-goto-line-of
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2022-04-25 19:53:05 +00:00
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"Run goto line new frame action from `helm-occur'."
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2022-11-08 03:31:08 +00:00
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'helm-occur-goto-line-of)
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2022-04-25 19:53:05 +00:00
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2022-11-08 03:31:08 +00:00
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(helm-make-command-from-action helm-occur-run-default-action
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"Goto matching line from helm-occur buffer."
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'helm-occur-goto-line)
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2022-04-25 19:53:05 +00:00
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2022-11-08 03:31:08 +00:00
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(helm-make-command-from-action helm-occur-run-save-buffer
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2022-04-25 19:53:05 +00:00
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"Run moccur save results action from `helm-moccur'."
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2022-11-08 03:31:08 +00:00
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'helm-occur-save-results)
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2022-04-25 19:53:05 +00:00
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(defun helm-occur-right ()
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"`helm-occur' action for right arrow.
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This is used when `helm-occur-use-ioccur-style-keys' is enabled.
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If follow is enabled (default) go to next source, otherwise execute
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persistent action."
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(interactive)
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(if (helm-aand (helm-get-attr 'follow) (> it 0))
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(helm-next-source)
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(helm-execute-persistent-action)))
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(put 'helm-occur-right 'helm-only t)
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(defun helm-occur-quit-an-find-file-fn (source)
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(let* ((sel (helm-get-selection nil nil source))
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(occur-fname (helm-aand (numberp sel)
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(helm-get-attr 'buffer-name)
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(buffer-file-name (get-buffer it)))))
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(when (and occur-fname (file-exists-p occur-fname))
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(expand-file-name occur-fname))))
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;;; helm-occur-mode
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;;
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;;
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(defvar helm-occur-mode-map
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|
(let ((map (make-sparse-keymap)))
|
|
|
|
|
|
(define-key map (kbd "RET") 'helm-occur-mode-goto-line)
|
|
|
|
|
|
(define-key map (kbd "C-o") 'helm-occur-mode-goto-line-ow)
|
|
|
|
|
|
(define-key map (kbd "<C-down>") 'helm-occur-mode-goto-line-ow-forward)
|
|
|
|
|
|
(define-key map (kbd "<C-up>") 'helm-occur-mode-goto-line-ow-backward)
|
|
|
|
|
|
(define-key map (kbd "<M-down>") 'helm-gm-next-file)
|
|
|
|
|
|
(define-key map (kbd "<M-up>") 'helm-gm-precedent-file)
|
|
|
|
|
|
(define-key map (kbd "M-n") 'helm-occur-mode-goto-line-ow-forward)
|
|
|
|
|
|
(define-key map (kbd "M-p") 'helm-occur-mode-goto-line-ow-backward)
|
|
|
|
|
|
(define-key map (kbd "M-N") 'helm-gm-next-file)
|
|
|
|
|
|
(define-key map (kbd "M-P") 'helm-gm-precedent-file)
|
|
|
|
|
|
(define-key map (kbd "C-c b") 'helm-occur-mode-resume-session)
|
|
|
|
|
|
map))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-mode-goto-line ()
|
|
|
|
|
|
(interactive)
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(setq next-error-last-buffer (current-buffer))
|
|
|
|
|
|
(setq-local helm-current-error (point-marker))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
(helm-aif (get-text-property (point) 'helm-realvalue)
|
|
|
|
|
|
(progn (helm-occur-goto-line it) (helm-match-line-cleanup-pulse))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-mode-goto-line-ow ()
|
|
|
|
|
|
(interactive)
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(setq next-error-last-buffer (current-buffer))
|
|
|
|
|
|
(setq-local helm-current-error (point-marker))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
(helm-aif (get-text-property (point) 'helm-realvalue)
|
|
|
|
|
|
(progn (helm-occur-goto-line-ow it) (helm-match-line-cleanup-pulse))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-mode-goto-line-ow-forward-1 (arg)
|
|
|
|
|
|
(condition-case nil
|
|
|
|
|
|
(progn
|
|
|
|
|
|
(when (or (eq last-command 'helm-occur-mode-goto-line-ow-forward)
|
|
|
|
|
|
(eq last-command 'helm-occur-mode-goto-line-ow-backward))
|
|
|
|
|
|
(forward-line arg))
|
|
|
|
|
|
(save-selected-window
|
|
|
|
|
|
(helm-occur-mode-goto-line-ow)
|
|
|
|
|
|
(recenter)))
|
|
|
|
|
|
(error nil)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-mode-goto-line-ow-forward (arg)
|
|
|
|
|
|
(interactive "p")
|
|
|
|
|
|
(helm-occur-mode-goto-line-ow-forward-1 arg))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-mode-goto-line-ow-backward (arg)
|
|
|
|
|
|
(interactive "p")
|
|
|
|
|
|
(helm-occur-mode-goto-line-ow-forward-1 (- arg)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-save-results (_candidate)
|
|
|
|
|
|
"Save helm moccur results in a `helm-moccur-mode' buffer."
|
|
|
|
|
|
(let ((buf "*hmoccur*")
|
|
|
|
|
|
new-buf)
|
|
|
|
|
|
(when (get-buffer buf)
|
|
|
|
|
|
(setq new-buf (helm-read-string "OccurBufferName: " buf))
|
|
|
|
|
|
(cl-loop for b in (helm-buffer-list)
|
|
|
|
|
|
when (and (string= new-buf b)
|
|
|
|
|
|
(not (y-or-n-p
|
|
|
|
|
|
(format "Buffer `%s' already exists overwrite? "
|
|
|
|
|
|
new-buf))))
|
|
|
|
|
|
do (setq new-buf (helm-read-string
|
|
|
|
|
|
"OccurBufferName: " "*hmoccur ")))
|
|
|
|
|
|
(setq buf new-buf))
|
|
|
|
|
|
(with-current-buffer (get-buffer-create buf)
|
|
|
|
|
|
(kill-all-local-variables)
|
|
|
|
|
|
(setq buffer-read-only t)
|
|
|
|
|
|
(buffer-disable-undo)
|
|
|
|
|
|
(let ((inhibit-read-only t)
|
|
|
|
|
|
(map (make-sparse-keymap))
|
|
|
|
|
|
buf-name)
|
|
|
|
|
|
(erase-buffer)
|
|
|
|
|
|
(insert "-*- mode: helm-occur -*-\n\n"
|
|
|
|
|
|
(format "Occur Results for `%s':\n\n" helm-input))
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(insert (with-current-buffer helm-buffer
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(forward-line 1)
|
|
|
|
|
|
(buffer-substring (point) (point-max)))))
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(forward-line -2)
|
|
|
|
|
|
(while (not (eobp))
|
|
|
|
|
|
(if (helm-pos-header-line-p)
|
|
|
|
|
|
(let ((beg (point-at-bol))
|
|
|
|
|
|
(end (point-at-eol)))
|
|
|
|
|
|
(set-text-properties beg (1+ end) nil)
|
|
|
|
|
|
(delete-region (1- beg) end))
|
|
|
|
|
|
(helm-aif (setq buf-name (assoc-default
|
|
|
|
|
|
'buffer-name
|
|
|
|
|
|
(get-text-property (point) 'helm-cur-source)))
|
|
|
|
|
|
(progn
|
|
|
|
|
|
(insert (propertize (concat it ":")
|
|
|
|
|
|
'face 'helm-moccur-buffer
|
|
|
|
|
|
'helm-realvalue (get-text-property (point) 'helm-realvalue)))
|
|
|
|
|
|
(add-text-properties
|
|
|
|
|
|
(point-at-bol) (point-at-eol)
|
|
|
|
|
|
`(buffer-name ,buf-name))
|
|
|
|
|
|
(add-text-properties
|
|
|
|
|
|
(point-at-bol) (point-at-eol)
|
|
|
|
|
|
`(keymap ,map
|
|
|
|
|
|
help-echo ,(concat
|
|
|
|
|
|
(buffer-file-name
|
|
|
|
|
|
(get-buffer buf-name))
|
|
|
|
|
|
"\nmouse-1: set point\nmouse-2: jump to selection")
|
|
|
|
|
|
mouse-face highlight
|
|
|
|
|
|
invisible nil))
|
|
|
|
|
|
(define-key map [mouse-1] 'mouse-set-point)
|
|
|
|
|
|
(define-key map [mouse-2] 'helm-occur-mode-mouse-goto-line)
|
|
|
|
|
|
(define-key map [mouse-3] 'ignore))))
|
|
|
|
|
|
(forward-line 1))))
|
|
|
|
|
|
(buffer-enable-undo)
|
|
|
|
|
|
(helm-occur-mode))
|
|
|
|
|
|
(pop-to-buffer buf)
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(setq next-error-last-buffer (get-buffer buf))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
(message "Helm occur Results saved in `%s' buffer" buf)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-mode-mouse-goto-line (event)
|
|
|
|
|
|
(interactive "e")
|
|
|
|
|
|
(let* ((window (posn-window (event-end event)))
|
|
|
|
|
|
(pos (posn-point (event-end event))))
|
|
|
|
|
|
(with-selected-window window
|
|
|
|
|
|
(when (eq major-mode 'helm-occur-mode)
|
|
|
|
|
|
(goto-char pos)
|
|
|
|
|
|
(helm-occur-mode-goto-line)))))
|
|
|
|
|
|
(put 'helm-moccur-mode-mouse-goto-line 'helm-only t)
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-mode-resume-session ()
|
|
|
|
|
|
(interactive)
|
|
|
|
|
|
(cl-assert (eq major-mode 'helm-occur-mode) nil "Helm command called in wrong context")
|
|
|
|
|
|
(helm-multi-occur-1 helm-occur--buffer-list helm-occur-mode--last-pattern))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-buffer-substring-with-linums ()
|
|
|
|
|
|
"Return current-buffer contents as a string with all lines
|
2022-08-04 18:39:15 +00:00
|
|
|
|
numbered. The property \\='buffer-name is added to the whole string."
|
2022-04-25 19:53:05 +00:00
|
|
|
|
(let ((bufstr (buffer-substring-no-properties (point-min) (point-max)))
|
|
|
|
|
|
(bufname (buffer-name)))
|
|
|
|
|
|
(with-temp-buffer
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(insert bufstr))
|
|
|
|
|
|
(let ((linum 1))
|
|
|
|
|
|
(insert (format "%s " linum))
|
|
|
|
|
|
(while (re-search-forward "\n" nil t)
|
|
|
|
|
|
(cl-incf linum)
|
|
|
|
|
|
(insert (format "%s " linum)))
|
|
|
|
|
|
(add-text-properties (point-min) (point-max) `(buffer-name ,bufname)))
|
|
|
|
|
|
(buffer-string))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-mode--revert-buffer-function (&optional _ignore-auto _noconfirm)
|
|
|
|
|
|
"The `revert-buffer-function' for `helm-occur-mode'."
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(let (pattern)
|
|
|
|
|
|
(when (re-search-forward "^Occur Results for `\\(.*\\)'" nil t)
|
|
|
|
|
|
(setq pattern (match-string 1))
|
|
|
|
|
|
(forward-line 0)
|
|
|
|
|
|
(when (re-search-forward "^$" nil t)
|
|
|
|
|
|
(forward-line 1))
|
|
|
|
|
|
(let ((inhibit-read-only t)
|
|
|
|
|
|
(buffer (current-buffer))
|
|
|
|
|
|
(buflst helm-occur--buffer-list))
|
|
|
|
|
|
(delete-region (point) (point-max))
|
|
|
|
|
|
(message "Reverting buffer...")
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(with-temp-buffer
|
|
|
|
|
|
(insert
|
|
|
|
|
|
"\n"
|
|
|
|
|
|
(cl-loop for buf in buflst
|
|
|
|
|
|
for bufstr = (or (and (buffer-live-p (get-buffer buf))
|
|
|
|
|
|
(with-current-buffer buf
|
|
|
|
|
|
(helm-occur-buffer-substring-with-linums)))
|
|
|
|
|
|
"")
|
|
|
|
|
|
concat bufstr)
|
|
|
|
|
|
"\n")
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(cl-loop with linum
|
|
|
|
|
|
with mpart
|
|
|
|
|
|
;; Bind helm-pattern used by `helm-grep-split-line'.
|
|
|
|
|
|
with helm-pattern = pattern
|
|
|
|
|
|
while (helm-mm-search pattern) ; point is at eol.
|
|
|
|
|
|
;; Calculate line number (linum) and extract real
|
|
|
|
|
|
;; part of line (mpart).
|
|
|
|
|
|
do (when (save-excursion
|
|
|
|
|
|
;; `helm-mm-search' puts point at eol.
|
|
|
|
|
|
(forward-line 0)
|
|
|
|
|
|
(re-search-forward "^\\([0-9]*\\)\\s-\\{1\\}\\(.*\\)$"
|
|
|
|
|
|
(point-at-eol) t))
|
|
|
|
|
|
(setq linum (string-to-number (match-string 1))
|
|
|
|
|
|
mpart (match-string 2)))
|
|
|
|
|
|
;; Match part after line number.
|
2022-08-04 18:39:15 +00:00
|
|
|
|
when (and mpart (helm-mm-match mpart pattern))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
for line = (format "%s:%d:%s"
|
|
|
|
|
|
(get-text-property (point) 'buffer-name)
|
|
|
|
|
|
linum
|
|
|
|
|
|
mpart)
|
|
|
|
|
|
when line
|
|
|
|
|
|
do (with-current-buffer buffer
|
|
|
|
|
|
(insert
|
|
|
|
|
|
(propertize
|
|
|
|
|
|
(car (helm-occur-filter-one-by-one line))
|
|
|
|
|
|
'helm-realvalue linum)
|
|
|
|
|
|
"\n"))))
|
|
|
|
|
|
(when (fboundp 'wgrep-cleanup-overlays)
|
|
|
|
|
|
(wgrep-cleanup-overlays (point-min) (point-max)))
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(message "Reverting buffer done")
|
|
|
|
|
|
(when executing-kbd-macro (sit-for 1)))))))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-filter-one-by-one (candidate)
|
|
|
|
|
|
"`filter-one-by-one' function for `helm-source-moccur'."
|
|
|
|
|
|
(require 'helm-grep)
|
|
|
|
|
|
(let* ((split (helm-grep-split-line candidate))
|
|
|
|
|
|
(buf (car split))
|
|
|
|
|
|
(lineno (nth 1 split))
|
|
|
|
|
|
(str (nth 2 split)))
|
|
|
|
|
|
(cons (concat (propertize
|
|
|
|
|
|
buf
|
|
|
|
|
|
'face 'helm-moccur-buffer
|
|
|
|
|
|
'help-echo (buffer-file-name
|
|
|
|
|
|
(get-buffer buf))
|
|
|
|
|
|
'buffer-name buf)
|
|
|
|
|
|
":"
|
|
|
|
|
|
(propertize lineno 'face 'helm-grep-lineno)
|
|
|
|
|
|
":"
|
|
|
|
|
|
(helm-grep-highlight-match str))
|
|
|
|
|
|
candidate)))
|
|
|
|
|
|
|
|
|
|
|
|
(define-derived-mode helm-occur-mode
|
|
|
|
|
|
special-mode "helm-moccur"
|
|
|
|
|
|
"Major mode to provide actions in helm moccur saved buffer.
|
|
|
|
|
|
|
|
|
|
|
|
Special commands:
|
|
|
|
|
|
\\{helm-occur-mode-map}"
|
|
|
|
|
|
(set (make-local-variable 'helm-occur--buffer-list)
|
|
|
|
|
|
(with-helm-buffer helm-occur--buffer-list))
|
|
|
|
|
|
(set (make-local-variable 'revert-buffer-function)
|
|
|
|
|
|
#'helm-occur-mode--revert-buffer-function)
|
|
|
|
|
|
(set (make-local-variable 'helm-occur-mode--last-pattern)
|
|
|
|
|
|
helm-input)
|
|
|
|
|
|
(set (make-local-variable 'next-error-function)
|
2022-08-04 18:39:15 +00:00
|
|
|
|
#'helm-occur-next-error)
|
|
|
|
|
|
(set (make-local-variable 'helm-current-error) nil))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
(put 'helm-moccur-mode 'helm-only t)
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-occur-next-error (&optional argp reset)
|
|
|
|
|
|
"Goto ARGP position from a `helm-occur-mode' buffer.
|
|
|
|
|
|
RESET non-nil means rewind to the first match.
|
|
|
|
|
|
This is the `next-error-function' for `helm-occur-mode'."
|
|
|
|
|
|
(interactive "p")
|
|
|
|
|
|
(goto-char (cond (reset (point-min))
|
2022-08-04 18:39:15 +00:00
|
|
|
|
((and (< argp 0) helm-current-error)
|
|
|
|
|
|
(line-beginning-position))
|
|
|
|
|
|
((and (> argp 0) helm-current-error)
|
|
|
|
|
|
(line-end-position))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
((point))))
|
|
|
|
|
|
(let ((fun (if (> argp 0)
|
|
|
|
|
|
#'next-single-property-change
|
|
|
|
|
|
#'previous-single-property-change)))
|
|
|
|
|
|
(helm-aif (funcall fun (point) 'buffer-name)
|
|
|
|
|
|
(progn
|
|
|
|
|
|
(goto-char it)
|
|
|
|
|
|
(forward-line 0)
|
2022-08-04 18:39:15 +00:00
|
|
|
|
;; `helm-current-error' is set in
|
|
|
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;; `helm-occur-mode-goto-line'.
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2022-04-25 19:53:05 +00:00
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(helm-occur-mode-goto-line))
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(user-error "No more matches"))))
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;;; Resume
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;;
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(defun helm-occur-resume-fn ()
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(with-helm-buffer
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(let (new-tick-ls buffer-is-modified)
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(set (make-local-variable 'helm-occur--buffer-list)
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(cl-loop for b in helm-occur--buffer-list
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when (buffer-live-p (get-buffer b))
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collect b))
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(setq buffer-is-modified (/= (length helm-occur--buffer-list)
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(length (helm-get-attr 'moccur-buffers))))
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(helm-set-attr 'moccur-buffers helm-occur--buffer-list)
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(setq new-tick-ls (cl-loop for b in helm-occur--buffer-list
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collect (buffer-chars-modified-tick
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(get-buffer b))))
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(when buffer-is-modified
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(setq helm-occur--buffer-tick new-tick-ls))
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(cl-assert (> (length helm-occur--buffer-list) 0) nil
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"helm-resume error: helm-(m)occur buffer list is empty")
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(unless (eq helm-occur-auto-update-on-resume 'never)
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(when (or buffer-is-modified
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(cl-loop for b in helm-occur--buffer-list
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for new-tick = (buffer-chars-modified-tick
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(get-buffer b))
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for tick in helm-occur--buffer-tick
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thereis (/= tick new-tick)))
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(helm-aif helm-occur-auto-update-on-resume
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(when (or (eq it 'noask)
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(y-or-n-p "Helm (m)occur Buffer outdated, update? "))
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(run-with-idle-timer
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0.1 nil (lambda ()
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(with-helm-buffer
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(helm-force-update)
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(message "Helm (m)occur Buffer have been udated")
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(sit-for 1) (message nil))))
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(unless buffer-is-modified (setq helm-occur--buffer-tick
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new-tick-ls)))
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(run-with-idle-timer
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0.1 nil
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(lambda ()
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(with-helm-buffer
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(let ((ov (make-overlay (save-excursion
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(goto-char (point-min))
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(forward-line 1)
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(point))
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(point-max))))
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(overlay-put ov 'face 'helm-resume-need-update)
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2022-08-04 18:39:15 +00:00
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(sit-for 0)
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(delete-overlay ov)
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2022-04-25 19:53:05 +00:00
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(message "[Helm occur Buffer outdated (C-c C-u to update)]")))))
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(unless buffer-is-modified
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(with-helm-after-update-hook
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(setq helm-occur--buffer-tick new-tick-ls)
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(message "Helm (m)occur Buffer have been udated")))))))))
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;;; Helm occur from isearch
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;;
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;;;###autoload
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(defun helm-occur-from-isearch ()
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"Invoke `helm-occur' from isearch.
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To use this bind it to a key in `isearch-mode-map'."
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(interactive)
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(let ((input (if isearch-regexp
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isearch-string
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(regexp-quote isearch-string)))
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(bufs (list (current-buffer)))
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;; Use `helm-occur-always-search-in-current' as a flag for
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;; `helm-occur--select-closest-candidate'.
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(helm-occur-always-search-in-current t))
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(isearch-exit)
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(helm-multi-occur-1 bufs input)))
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;;;###autoload
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(defun helm-multi-occur-from-isearch ()
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"Invoke `helm-multi-occur' from isearch.
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With a prefix arg, reverse the behavior of
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`helm-moccur-always-search-in-current'.
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The prefix arg can be set before calling
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`helm-multi-occur-from-isearch' or during the buffer selection.
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To use this bind it to a key in `isearch-mode-map'."
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(interactive)
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(let (buf-list
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helm-moccur-always-search-in-current
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(input (if isearch-regexp
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isearch-string
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(regexp-quote isearch-string))))
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(isearch-exit)
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(setq buf-list (mapcar 'get-buffer
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(helm-comp-read "Buffers: "
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(helm-buffer-list)
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:name "Occur in buffer(s)"
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:marked-candidates t)))
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(setq helm-moccur-always-search-in-current
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(if (or current-prefix-arg
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helm-current-prefix-arg)
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(not helm-moccur-always-search-in-current)
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helm-moccur-always-search-in-current))
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(helm-multi-occur-1 buf-list input)))
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(provide 'helm-occur)
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;;; helm-occur.el ends here
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