2022-04-25 19:53:05 +00:00
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;;; helm-lib.el --- Helm routines. -*- lexical-binding: t -*-
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2022-08-04 18:39:15 +00:00
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;; Copyright (C) 2015 ~ 2020 Thierry Volpiatto
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2022-04-25 19:53:05 +00:00
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2022-08-04 18:39:15 +00:00
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;; Author: Thierry Volpiatto
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2022-04-25 19:53:05 +00:00
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;; URL: http://github.com/emacs-helm/helm
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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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;;; Commentary:
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;; All helm functions that don't require specific helm code should go here.
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;;; Code:
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(require 'cl-lib)
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(declare-function ansi-color--find-face "ansi-color.el")
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(declare-function ansi-color-apply-sequence "ansi-color.el")
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(declare-function dired-current-directory "dired.el")
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(declare-function dired-log-summary "dired.el")
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(declare-function dired-mark-remembered "dired.el")
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(declare-function ffap-file-remote-p "ffap.el")
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(declare-function ffap-url-p "ffap.el")
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(declare-function helm-get-attr "helm-core.el")
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(declare-function helm-set-attr "helm-core.el")
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(declare-function helm-follow-mode-p "helm-core.el")
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(declare-function helm-get-current-source "helm-core.el")
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(declare-function helm-get-selection "helm-core.el")
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(declare-function helm-get-sources "helm-core.el")
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(declare-function helm-interpret-value "helm-core.el")
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(declare-function helm-log-run-hook "helm-core.el")
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(declare-function helm-marked-candidates "helm-core.el")
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(declare-function helm-set-case-fold-search "helm-core.el")
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(declare-function helm-source--cl--print-table "helm-source.el")
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(declare-function helm-update "helm-core.el")
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(declare-function org-content "org.el")
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(declare-function org-mark-ring-goto "org.el")
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(declare-function org-mark-ring-push "org.el")
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(declare-function org-table-p "org-compat.el")
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(declare-function org-table-align "org-table.el")
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(declare-function org-table-end "org-table.el")
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(declare-function org-open-at-point "org.el")
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(declare-function wdired-change-to-dired-mode "wdired.el")
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(declare-function wdired-do-perm-changes "wdired.el")
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(declare-function wdired-do-renames "wdired.el")
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(declare-function wdired-do-symlink-changes "wdired.el")
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(declare-function wdired-flag-for-deletion "wdired.el")
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(declare-function wdired-get-filename "wdired.el")
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(declare-function wdired-normalize-filename "wdired.el")
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(declare-function helm-read-file-name "helm-mode.el")
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(declare-function find-function-library "find-func.el")
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(declare-function find-library-name "find-func.el")
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(defvar helm-sources)
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(defvar helm-initial-frame)
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(defvar helm-current-position)
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(defvar wdired-old-marks)
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(defvar wdired-keep-marker-rename)
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(defvar wdired-allow-to-change-permissions)
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(defvar wdired-allow-to-redirect-links)
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(defvar helm-persistent-action-display-window)
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(defvar helm--buffer-in-new-frame-p)
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(defvar helm-completion-style)
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(defvar helm-completion-styles-alist)
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(defvar helm-persistent-action-window-buffer)
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(defvar completion-flex-nospace)
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(defvar find-function-source-path)
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;;; User vars.
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;;
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(defcustom helm-file-globstar t
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"Same as globstar bash shopt option.
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When non-nil a pattern beginning with two stars will expand
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recursively.
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Directories expansion is not supported yet."
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:group 'helm
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:type 'boolean)
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(defcustom helm-yank-text-at-point-function nil
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"The function used to forward point with `helm-yank-text-at-point'.
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With a nil value, fallback to default `forward-word'.
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The function should take one arg, an integer like `forward-word'.
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NOTE: Using `forward-symbol' here is not very useful as it is
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already provided by \\<helm-map>\\[next-history-element]."
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:type 'function
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:group 'helm)
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(defcustom helm-scroll-amount nil
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"Scroll amount when scrolling helm window or other window in a helm session.
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It is used by `helm-scroll-other-window', `helm-scroll-up', `helm-scroll-down'
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and `helm-scroll-other-window-down'.
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If you prefer scrolling line by line, set this value to 1."
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:group 'helm
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:type 'integer)
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(defcustom helm-help-full-frame t
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"Display help window in full frame when non nil.
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Even when nil probably the same result (full frame) can be
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reached by tweaking `display-buffer-alist', but it is much more
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convenient to use a simple boolean value here."
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:type 'boolean
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:group 'helm-help)
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(defvar helm-ff--boring-regexp nil)
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(defun helm-ff--setup-boring-regex (var val)
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(set var val)
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(setq helm-ff--boring-regexp
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(cl-loop with last = (car (last val))
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for r in (butlast val)
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if (string-match "\\$\\'" r)
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concat (concat r "\\|") into result
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else concat (concat r "$\\|") into result
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finally return
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(concat result last
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(if (string-match "\\$\\'" last) "" "$")))))
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(defcustom helm-boring-file-regexp-list
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(mapcar (lambda (f)
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(let ((rgx (regexp-quote f)))
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(if (string-match-p "[^/]$" f)
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;; files: e.g .o => \\.o$
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(concat rgx "$")
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;; directories: e.g .git/ => \.git\\(/\\|$\\)
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(concat (substring rgx 0 -1) "\\(/\\|$\\)"))))
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completion-ignored-extensions)
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"A list of regexps matching boring files.
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This list is build by default on `completion-ignored-extensions'.
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The directory names should end with \"/?\" e.g. \"\\.git/?\" and
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the file names should end with \"$\" e.g. \"\\.o$\".
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These regexps may be used to match the entire path, not just the
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file name, so for example to ignore files with a prefix
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\".bak.\", use \"\\.bak\\..*$\" as the regexp.
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NOTE: When modifying this, be sure to use customize interface or
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the customize functions e.g. `customize-set-variable' and NOT
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`setq'."
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:group 'helm-files
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:type '(repeat (choice regexp))
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:set 'helm-ff--setup-boring-regex)
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(defcustom helm-describe-function-function 'describe-function
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"Function used to describe functions in Helm."
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:group 'helm-elisp
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:type 'function)
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(defcustom helm-describe-variable-function 'describe-variable
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"Function used to describe variables in Helm."
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:group 'helm-elisp
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:type 'function)
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;;; Internal vars
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;;
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(defvar helm-yank-point nil)
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(defvar helm-pattern ""
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"The input pattern used to update the helm buffer.")
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(defvar helm-buffer "*helm*"
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"Buffer showing completions.")
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(defvar helm-current-buffer nil
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"Current buffer when `helm' is invoked.")
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(defvar helm-suspend-update-flag nil)
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(defvar helm-action-buffer "*helm action*"
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"Buffer showing actions.")
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(defvar helm-current-prefix-arg nil
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"Record `current-prefix-arg' when exiting minibuffer.")
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2022-08-04 18:39:15 +00:00
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(defvar helm-current-error nil
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"Same as `compilation-current-error' but for helm-occur and helm-grep.")
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2022-04-25 19:53:05 +00:00
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;;; Compatibility
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;;
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(defun helm-add-face-text-properties (beg end face &optional append object)
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"Add the face property to the text from START to END.
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It is a compatibility function which behaves exactly like
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`add-face-text-property' if available, otherwise like
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`add-text-properties'. When only `add-text-properties' is
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available APPEND is ignored."
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(if (fboundp 'add-face-text-property)
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(add-face-text-property beg end face append object)
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(add-text-properties beg end `(face ,face) object)))
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;; Override `wdired-finish-edit'.
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;; Fix emacs bug in `wdired-finish-edit' where
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;; Wdired is not handling the case where `dired-directory' is a cons
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;; cell instead of a string.
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(defun helm--advice-wdired-finish-edit ()
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(interactive)
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(wdired-change-to-dired-mode)
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;; `wdired-old-marks' has been removed in emacs-28+.
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(unless (boundp 'wdired-old-marks)
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(setq-local wdired-old-marks nil))
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(let ((changes nil)
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(errors 0)
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files-deleted
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files-renamed
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some-file-names-unchanged
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file-old file-new tmp-value)
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(save-excursion
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(when (and wdired-allow-to-redirect-links
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(fboundp 'make-symbolic-link))
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(setq tmp-value (wdired-do-symlink-changes))
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(setq errors (cdr tmp-value))
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(setq changes (car tmp-value)))
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(when (and wdired-allow-to-change-permissions
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(boundp 'wdired-col-perm)) ; could have been changed
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(setq tmp-value (wdired-do-perm-changes))
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(setq errors (+ errors (cdr tmp-value)))
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(setq changes (or changes (car tmp-value))))
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(goto-char (point-max))
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(while (not (bobp))
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(setq file-old (wdired-get-filename nil t))
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(when file-old
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(setq file-new (wdired-get-filename))
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(if (equal file-new file-old)
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(setq some-file-names-unchanged t)
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(setq changes t)
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(if (not file-new) ;empty filename!
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(push file-old files-deleted)
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(when wdired-keep-marker-rename
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(let ((mark (cond ((integerp wdired-keep-marker-rename)
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wdired-keep-marker-rename)
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(wdired-keep-marker-rename
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(cdr (assoc file-old wdired-old-marks)))
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(t nil))))
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(when mark
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(push (cons (substitute-in-file-name file-new) mark)
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wdired-old-marks))))
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(push (cons file-old (substitute-in-file-name file-new))
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files-renamed))))
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(forward-line -1)))
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(when files-renamed
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(setq errors (+ errors (wdired-do-renames files-renamed))))
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(if changes
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(progn
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;; If we are displaying a single file (rather than the
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;; contents of a directory), change dired-directory if that
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;; file was renamed. (This ought to be generalized to
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;; handle the multiple files case, but that's less trivial)
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;; fixit [1].
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(cond ((and (stringp dired-directory)
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(not (file-directory-p dired-directory))
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(null some-file-names-unchanged)
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(= (length files-renamed) 1))
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(setq dired-directory (cdr (car files-renamed))))
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;; Fix [1] i.e dired buffers created with
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;; (dired '(foo f1 f2 f3)).
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((and (consp dired-directory)
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(cdr dired-directory)
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files-renamed)
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|
|
|
|
(setcdr dired-directory
|
|
|
|
|
|
;; Replace in `dired-directory' files that have
|
|
|
|
|
|
;; been modified with their new name keeping
|
|
|
|
|
|
;; the ones that are unmodified at the same place.
|
|
|
|
|
|
(cl-loop with old-to-rename = (mapcar 'car files-renamed)
|
|
|
|
|
|
for f in (cdr dired-directory)
|
|
|
|
|
|
if (member f old-to-rename)
|
|
|
|
|
|
collect (assoc-default f files-renamed)
|
|
|
|
|
|
else collect f))))
|
|
|
|
|
|
;; Re-sort the buffer if all went well.
|
|
|
|
|
|
(unless (> errors 0) (revert-buffer))
|
|
|
|
|
|
(let ((inhibit-read-only t))
|
|
|
|
|
|
(dired-mark-remembered wdired-old-marks)))
|
|
|
|
|
|
(let ((inhibit-read-only t))
|
|
|
|
|
|
(remove-text-properties (point-min) (point-max)
|
|
|
|
|
|
'(old-name nil end-name nil old-link nil
|
|
|
|
|
|
end-link nil end-perm nil
|
|
|
|
|
|
old-perm nil perm-changed nil))
|
|
|
|
|
|
(message "(No changes to be performed)")))
|
|
|
|
|
|
(when files-deleted
|
|
|
|
|
|
(wdired-flag-for-deletion files-deleted))
|
|
|
|
|
|
(when (> errors 0)
|
|
|
|
|
|
(dired-log-summary (format "%d rename actions failed" errors) nil)))
|
|
|
|
|
|
(set-buffer-modified-p nil)
|
|
|
|
|
|
(setq buffer-undo-list nil))
|
|
|
|
|
|
|
|
|
|
|
|
;; Override `wdired-get-filename'.
|
|
|
|
|
|
;; Fix emacs bug in `wdired-get-filename' which returns the current
|
|
|
|
|
|
;; directory concatened with the filename i.e
|
|
|
|
|
|
;; "/home/you//home/you/foo" when filename is absolute in dired
|
|
|
|
|
|
;; buffer.
|
|
|
|
|
|
;; In consequence Wdired try to rename files even when buffer have
|
|
|
|
|
|
;; been modified and corrected, e.g delete one char and replace it so
|
|
|
|
|
|
;; that no change to file is done.
|
|
|
|
|
|
;; This also lead to ask confirmation for every files even when not
|
|
|
|
|
|
;; modified and when `wdired-use-interactive-rename' is nil.
|
|
|
|
|
|
(defun helm--advice-wdired-get-filename (&optional no-dir old)
|
|
|
|
|
|
;; FIXME: Use dired-get-filename's new properties.
|
|
|
|
|
|
(let (beg end file)
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(setq end (line-end-position))
|
|
|
|
|
|
(beginning-of-line)
|
|
|
|
|
|
(setq beg (next-single-property-change (point) 'old-name nil end))
|
|
|
|
|
|
(unless (eq beg end)
|
|
|
|
|
|
(if old
|
|
|
|
|
|
(setq file (get-text-property beg 'old-name))
|
|
|
|
|
|
;; In the following form changed `(1+ beg)' to `beg' so that
|
|
|
|
|
|
;; the filename end is found even when the filename is empty.
|
|
|
|
|
|
;; Fixes error and spurious newlines when marking files for
|
|
|
|
|
|
;; deletion.
|
|
|
|
|
|
(setq end (next-single-property-change beg 'end-name))
|
|
|
|
|
|
(setq file (buffer-substring-no-properties (1+ beg) end)))
|
|
|
|
|
|
;; Don't unquote the old name, it wasn't quoted in the first place
|
|
|
|
|
|
(and file (setq file (condition-case _err
|
|
|
|
|
|
;; emacs-25+
|
|
|
|
|
|
(apply #'wdired-normalize-filename
|
|
|
|
|
|
(list file (not old)))
|
|
|
|
|
|
(wrong-number-of-arguments
|
|
|
|
|
|
;; emacs-24
|
|
|
|
|
|
(wdired-normalize-filename file))))))
|
|
|
|
|
|
(if (or no-dir old (and file (file-name-absolute-p file)))
|
|
|
|
|
|
file
|
|
|
|
|
|
(and file (> (length file) 0)
|
|
|
|
|
|
(expand-file-name file (dired-current-directory)))))))
|
|
|
|
|
|
|
|
|
|
|
|
;;; Override `push-mark'
|
|
|
|
|
|
;;
|
|
|
|
|
|
;; Fix duplicates in `mark-ring' and `global-mark-ring' and update
|
|
|
|
|
|
;; buffers in `global-mark-ring' to recentest mark.
|
|
|
|
|
|
(defun helm--advice-push-mark (&optional location nomsg activate)
|
|
|
|
|
|
(unless (null (mark t))
|
|
|
|
|
|
(let ((marker (copy-marker (mark-marker))))
|
|
|
|
|
|
(setq mark-ring (cons marker (delete marker mark-ring))))
|
|
|
|
|
|
(when (> (length mark-ring) mark-ring-max)
|
|
|
|
|
|
;; Move marker to nowhere.
|
|
|
|
|
|
(set-marker (car (nthcdr mark-ring-max mark-ring)) nil)
|
|
|
|
|
|
(setcdr (nthcdr (1- mark-ring-max) mark-ring) nil)))
|
|
|
|
|
|
(set-marker (mark-marker) (or location (point)) (current-buffer))
|
|
|
|
|
|
;; Now push the mark on the global mark ring.
|
|
|
|
|
|
(setq global-mark-ring (cons (copy-marker (mark-marker))
|
|
|
|
|
|
;; Avoid having multiple entries
|
|
|
|
|
|
;; for same buffer in `global-mark-ring'.
|
|
|
|
|
|
(cl-loop with mb = (current-buffer)
|
|
|
|
|
|
for m in global-mark-ring
|
|
|
|
|
|
for nmb = (marker-buffer m)
|
|
|
|
|
|
unless (eq mb nmb)
|
|
|
|
|
|
collect m)))
|
|
|
|
|
|
(when (> (length global-mark-ring) global-mark-ring-max)
|
|
|
|
|
|
(set-marker (car (nthcdr global-mark-ring-max global-mark-ring)) nil)
|
|
|
|
|
|
(setcdr (nthcdr (1- global-mark-ring-max) global-mark-ring) nil))
|
|
|
|
|
|
(or nomsg executing-kbd-macro (> (minibuffer-depth) 0)
|
|
|
|
|
|
(message "Mark set"))
|
|
|
|
|
|
(when (or activate (not transient-mark-mode))
|
|
|
|
|
|
(set-mark (mark t)))
|
|
|
|
|
|
nil)
|
|
|
|
|
|
|
|
|
|
|
|
(defcustom helm-advice-push-mark t
|
|
|
|
|
|
"Override `push-mark' with a version avoiding duplicates when non-nil."
|
|
|
|
|
|
:group 'helm
|
|
|
|
|
|
:type 'boolean
|
|
|
|
|
|
:set (lambda (var val)
|
|
|
|
|
|
(set var val)
|
|
|
|
|
|
(if val
|
|
|
|
|
|
(advice-add 'push-mark :override #'helm--advice-push-mark '((depth . 100)))
|
|
|
|
|
|
(advice-remove 'push-mark #'helm--advice-push-mark))))
|
|
|
|
|
|
|
|
|
|
|
|
;; This the version of Emacs-27 written by Stefan
|
|
|
|
|
|
(defun helm-advice--ffap-read-file-or-url (prompt guess)
|
|
|
|
|
|
(or guess (setq guess default-directory))
|
|
|
|
|
|
(if (ffap-url-p guess)
|
|
|
|
|
|
(read-string prompt guess nil nil t)
|
|
|
|
|
|
(unless (ffap-file-remote-p guess)
|
|
|
|
|
|
(setq guess (abbreviate-file-name (expand-file-name guess))))
|
|
|
|
|
|
(read-file-name prompt (file-name-directory guess) nil nil
|
|
|
|
|
|
(file-name-nondirectory guess))))
|
|
|
|
|
|
|
|
|
|
|
|
;; The native-comp branch of emacs "is a modified Emacs capable of compiling
|
|
|
|
|
|
;; and running Emacs Lisp as native code in form of re-loadable elf files."
|
|
|
|
|
|
;; (https://akrl.sdf.org/gccemacs.html). The function subr-native-elisp-p is a
|
|
|
|
|
|
;; native function available only in this branch and evaluates to true if the
|
|
|
|
|
|
;; argument supplied is a natively compiled lisp function. Use this function
|
|
|
|
|
|
;; if it's available, otherwise return nil. Helm needs to distinguish compiled
|
|
|
|
|
|
;; functions from other symbols in a various places.
|
|
|
|
|
|
(defun helm-subr-native-elisp-p (object)
|
|
|
|
|
|
(when (fboundp 'subr-native-elisp-p)
|
|
|
|
|
|
(subr-native-elisp-p object)))
|
|
|
|
|
|
|
|
|
|
|
|
;;; Macros helper.
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defmacro helm-with-gensyms (symbols &rest body)
|
|
|
|
|
|
"Bind the SYMBOLS to fresh uninterned symbols and eval BODY."
|
|
|
|
|
|
(declare (indent 1))
|
|
|
|
|
|
`(let ,(mapcar (lambda (s)
|
|
|
|
|
|
;; Use cl-gensym here instead of make-symbol
|
|
|
|
|
|
;; to ensure a symbol that have a live that go
|
|
|
|
|
|
;; beyond the live of its macro have different name.
|
|
|
|
|
|
;; i.e symbols created with `with-helm-temp-hook'
|
|
|
|
|
|
;; should have random names.
|
|
|
|
|
|
`(,s (cl-gensym (symbol-name ',s))))
|
|
|
|
|
|
symbols)
|
|
|
|
|
|
,@body))
|
|
|
|
|
|
|
|
|
|
|
|
;;; Command loop helper
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defconst helm-this-command-black-list
|
|
|
|
|
|
'(helm-maybe-exit-minibuffer
|
|
|
|
|
|
helm-confirm-and-exit-minibuffer
|
|
|
|
|
|
helm-exit-minibuffer
|
|
|
|
|
|
exit-minibuffer
|
|
|
|
|
|
helm-M-x))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-this-command ()
|
|
|
|
|
|
"Return the actual command in action.
|
|
|
|
|
|
Like `this-command' but return the real command, and not
|
|
|
|
|
|
`exit-minibuffer' or other unwanted functions."
|
|
|
|
|
|
(cl-loop for count from 1 to 50
|
|
|
|
|
|
for btf = (backtrace-frame count)
|
|
|
|
|
|
for fn = (cl-second btf)
|
|
|
|
|
|
if (and
|
|
|
|
|
|
;; In some case we may have in the way an
|
|
|
|
|
|
;; advice compiled resulting in byte-code,
|
|
|
|
|
|
;; ignore it (Bug#691).
|
|
|
|
|
|
(symbolp fn)
|
|
|
|
|
|
(commandp fn)
|
|
|
|
|
|
(not (memq fn helm-this-command-black-list)))
|
|
|
|
|
|
return fn
|
|
|
|
|
|
else
|
|
|
|
|
|
if (and (eq fn 'call-interactively)
|
|
|
|
|
|
(> (length btf) 2))
|
|
|
|
|
|
return (cadr (cdr btf))))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
;;; Iterators
|
|
|
|
|
|
;;
|
|
|
|
|
|
(cl-defmacro helm-position (item seq &key test all)
|
|
|
|
|
|
"A simple and faster replacement of CL `position'.
|
|
|
|
|
|
|
|
|
|
|
|
Returns ITEM first occurence position found in SEQ.
|
|
|
|
|
|
When SEQ is a string, ITEM have to be specified as a char.
|
|
|
|
|
|
Argument TEST when unspecified default to `eq'.
|
|
|
|
|
|
When argument ALL is non-nil return a list of all ITEM positions
|
|
|
|
|
|
found in SEQ."
|
|
|
|
|
|
(let ((key (if (stringp seq) 'across 'in)))
|
|
|
|
|
|
`(cl-loop with deftest = 'eq
|
|
|
|
|
|
for c ,key ,seq
|
|
|
|
|
|
for index from 0
|
|
|
|
|
|
when (funcall (or ,test deftest) c ,item)
|
|
|
|
|
|
if ,all collect index into ls
|
|
|
|
|
|
else return index
|
|
|
|
|
|
finally return ls)))
|
|
|
|
|
|
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(defun helm-iter-list (seq &optional cycle)
|
|
|
|
|
|
"Return an iterator object from SEQ.
|
|
|
|
|
|
The iterator die and return nil when it reach end of SEQ.
|
|
|
|
|
|
When CYCLE is specified the iterator never ends."
|
2022-04-25 19:53:05 +00:00
|
|
|
|
(let ((lis seq))
|
|
|
|
|
|
(lambda ()
|
|
|
|
|
|
(let ((elm (car lis)))
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(setq lis (if cycle
|
|
|
|
|
|
(or (cdr lis) seq)
|
|
|
|
|
|
(cdr lis)))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
elm))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-iter-circular (seq)
|
|
|
|
|
|
"Infinite iteration on SEQ."
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(helm-iter-list seq 'cycle))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
|
|
|
|
|
|
(cl-defun helm-iter-sub-next-circular (seq elm &key (test 'eq))
|
|
|
|
|
|
"Infinite iteration of SEQ starting at ELM."
|
|
|
|
|
|
(let* ((pos (1+ (helm-position elm seq :test test)))
|
|
|
|
|
|
(sub (append (nthcdr pos seq) (cl-subseq seq 0 pos)))
|
|
|
|
|
|
(iterator (helm-iter-circular sub)))
|
|
|
|
|
|
(lambda ()
|
|
|
|
|
|
(helm-iter-next iterator))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-iter-next (iterator)
|
|
|
|
|
|
"Return next elm of ITERATOR."
|
|
|
|
|
|
(and iterator (funcall iterator)))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
;;; Anaphoric macros.
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defmacro helm-aif (test-form then-form &rest else-forms)
|
|
|
|
|
|
"Anaphoric version of `if'.
|
|
|
|
|
|
Like `if' but set the result of TEST-FORM in a temporary variable
|
|
|
|
|
|
called `it'. THEN-FORM and ELSE-FORMS are then executed just like
|
|
|
|
|
|
in `if'."
|
|
|
|
|
|
(declare (indent 2) (debug t))
|
|
|
|
|
|
`(let ((it ,test-form))
|
|
|
|
|
|
(if it ,then-form ,@else-forms)))
|
|
|
|
|
|
|
|
|
|
|
|
(defmacro helm-awhile (sexp &rest body)
|
|
|
|
|
|
"Anaphoric version of `while'.
|
|
|
|
|
|
Same usage as `while' except that SEXP is bound to a temporary
|
|
|
|
|
|
variable called `it' at each turn.
|
|
|
|
|
|
An implicit nil block is bound to the loop so usage of
|
|
|
|
|
|
`cl-return' is possible to exit the loop."
|
|
|
|
|
|
(declare (indent 1) (debug t))
|
|
|
|
|
|
(helm-with-gensyms (flag)
|
|
|
|
|
|
`(let ((,flag t))
|
|
|
|
|
|
(cl-block nil
|
|
|
|
|
|
(while ,flag
|
|
|
|
|
|
(helm-aif ,sexp
|
|
|
|
|
|
(progn ,@body)
|
|
|
|
|
|
(setq ,flag nil)))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defmacro helm-acond (&rest clauses)
|
|
|
|
|
|
"Anaphoric version of `cond'.
|
|
|
|
|
|
In each clause of CLAUSES, the result of the car of clause is
|
|
|
|
|
|
stored in a temporary variable called `it' and usable in the cdr
|
|
|
|
|
|
of this same clause. Each `it' variable is independent of its
|
|
|
|
|
|
clause. The usage is the same as `cond'."
|
|
|
|
|
|
(declare (debug cond))
|
|
|
|
|
|
(unless (null clauses)
|
|
|
|
|
|
(helm-with-gensyms (sym)
|
|
|
|
|
|
(let ((clause1 (car clauses)))
|
|
|
|
|
|
`(let ((,sym ,(car clause1)))
|
|
|
|
|
|
(helm-aif ,sym
|
|
|
|
|
|
(if (cdr ',clause1)
|
|
|
|
|
|
(progn ,@(cdr clause1))
|
|
|
|
|
|
it)
|
|
|
|
|
|
(helm-acond ,@(cdr clauses))))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defmacro helm-aand (&rest conditions)
|
|
|
|
|
|
"Anaphoric version of `and'.
|
|
|
|
|
|
Each condition is bound to a temporary variable called `it' which
|
|
|
|
|
|
is usable in next condition."
|
|
|
|
|
|
(declare (debug (&rest form)))
|
|
|
|
|
|
(cond ((null conditions) t)
|
|
|
|
|
|
((null (cdr conditions)) (car conditions))
|
|
|
|
|
|
(t `(helm-aif ,(car conditions)
|
|
|
|
|
|
(helm-aand ,@(cdr conditions))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defmacro helm-acase (expr &rest clauses)
|
|
|
|
|
|
"A simple anaphoric `cl-case' implementation handling strings.
|
|
|
|
|
|
EXPR is bound to a temporary variable called `it' which is usable
|
|
|
|
|
|
in CLAUSES to refer to EXPR.
|
|
|
|
|
|
NOTE: Duplicate keys in CLAUSES are deliberately not handled.
|
|
|
|
|
|
|
|
|
|
|
|
\(fn EXPR (KEYLIST BODY...)...)"
|
|
|
|
|
|
(declare (indent 1) (debug (form &rest (sexp body))))
|
|
|
|
|
|
(unless (null clauses)
|
|
|
|
|
|
(let ((clause1 (car clauses)))
|
|
|
|
|
|
`(let ((key ',(car clause1))
|
|
|
|
|
|
(it ,expr))
|
|
|
|
|
|
(if (or (equal it key)
|
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|
|
|
|
(and (listp key) (member it key))
|
|
|
|
|
|
(eq key t))
|
|
|
|
|
|
(progn ,@(cdr clause1))
|
|
|
|
|
|
(helm-acase it ,@(cdr clauses)))))))
|
|
|
|
|
|
|
|
|
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|
|
;;; Fuzzy matching routines
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defsubst helm--mapconcat-pattern (pattern)
|
|
|
|
|
|
"Transform string PATTERN in regexp for further fuzzy matching.
|
|
|
|
|
|
E.g.: helm.el$
|
|
|
|
|
|
=> \"[^h]*?h[^e]*?e[^l]*?l[^m]*?m[^.]*?[.][^e]*?e[^l]*?l$\"
|
|
|
|
|
|
^helm.el$
|
|
|
|
|
|
=> \"helm[.]el$\"."
|
|
|
|
|
|
(let ((ls (split-string-and-unquote pattern "")))
|
|
|
|
|
|
(if (string= "^" (car ls))
|
|
|
|
|
|
;; Exact match.
|
|
|
|
|
|
(mapconcat (lambda (c)
|
|
|
|
|
|
(if (and (string= c "$")
|
|
|
|
|
|
(string-match "$\\'" pattern))
|
|
|
|
|
|
c (regexp-quote c)))
|
|
|
|
|
|
(cdr ls) "")
|
|
|
|
|
|
;; Fuzzy match.
|
|
|
|
|
|
(mapconcat (lambda (c)
|
|
|
|
|
|
(if (and (string= c "$")
|
|
|
|
|
|
(string-match "$\\'" pattern))
|
|
|
|
|
|
c (format "[^%s]*?%s" c (regexp-quote c))))
|
|
|
|
|
|
ls ""))))
|
|
|
|
|
|
|
|
|
|
|
|
(defsubst helm--collect-pairs-in-string (string)
|
|
|
|
|
|
(cl-loop for str on (split-string string "" t) by 'cdr
|
|
|
|
|
|
when (cdr str)
|
|
|
|
|
|
collect (list (car str) (cadr str))))
|
|
|
|
|
|
|
|
|
|
|
|
;;; Help routines.
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defvar helm-help--iter-org-state nil)
|
|
|
|
|
|
|
|
|
|
|
|
(defvar helm-help-mode-before-hook nil
|
|
|
|
|
|
"A hook that runs before helm-help starts.")
|
|
|
|
|
|
|
|
|
|
|
|
(defvar helm-help-mode-after-hook nil
|
|
|
|
|
|
"A hook that runs when helm-help exits.")
|
|
|
|
|
|
|
|
|
|
|
|
(defcustom helm-help-default-prompt
|
|
|
|
|
|
"[SPC,C-v,next:ScrollUp b,M-v,prior:ScrollDown TAB:Cycle M-TAB:All C-s/r:Isearch q:Quit]"
|
|
|
|
|
|
"The prompt used in `helm-help'."
|
|
|
|
|
|
:type 'string
|
|
|
|
|
|
:group 'helm)
|
|
|
|
|
|
|
|
|
|
|
|
(defcustom helm-help-hkmap
|
|
|
|
|
|
'(("C-v" . helm-help-scroll-up)
|
|
|
|
|
|
("SPC" . helm-help-scroll-up)
|
|
|
|
|
|
("<next>" . helm-help-scroll-up)
|
|
|
|
|
|
("M-v" . helm-help-scroll-down)
|
|
|
|
|
|
("b" . helm-help-scroll-down)
|
|
|
|
|
|
("<prior>" . helm-help-scroll-down)
|
|
|
|
|
|
("C-s" . isearch-forward)
|
|
|
|
|
|
("C-r" . isearch-backward)
|
|
|
|
|
|
("C-a" . move-beginning-of-line)
|
|
|
|
|
|
("C-e" . move-end-of-line)
|
|
|
|
|
|
("C-f" . forward-char)
|
|
|
|
|
|
("<right>" . forward-char)
|
|
|
|
|
|
("C-b" . backward-char)
|
|
|
|
|
|
("<left>" . backward-char)
|
|
|
|
|
|
("C-n" . helm-help-next-line)
|
|
|
|
|
|
("C-p" . helm-help-previous-line)
|
|
|
|
|
|
("<down>" . helm-help-next-line)
|
|
|
|
|
|
("<up>" . helm-help-previous-line)
|
|
|
|
|
|
("M-a" . backward-sentence)
|
|
|
|
|
|
("M-e" . forward-sentence)
|
|
|
|
|
|
("M-f" . forward-word)
|
|
|
|
|
|
("M-b" . backward-word)
|
|
|
|
|
|
("M->" . end-of-buffer)
|
|
|
|
|
|
("M-<" . beginning-of-buffer)
|
|
|
|
|
|
("C-SPC" . helm-help-toggle-mark)
|
|
|
|
|
|
("C-M-SPC" . mark-sexp)
|
|
|
|
|
|
("TAB" . org-cycle)
|
|
|
|
|
|
("C-m" . helm-help-org-open-at-point)
|
|
|
|
|
|
("C-&" . helm-help-org-mark-ring-goto)
|
|
|
|
|
|
("C-%" . org-mark-ring-push)
|
|
|
|
|
|
("M-TAB" . helm-help-org-cycle)
|
|
|
|
|
|
("M-w" . helm-help-copy-region-as-kill)
|
|
|
|
|
|
("q" . helm-help-quit))
|
|
|
|
|
|
"Alist of (KEY . FUNCTION) for `helm-help'.
|
|
|
|
|
|
|
|
|
|
|
|
This is not a standard keymap, just an alist where it is possible to
|
|
|
|
|
|
define a simple KEY (a string with no spaces) associated with a
|
|
|
|
|
|
FUNCTION. More complex key like \"C-x C-x\" are not supported.
|
|
|
|
|
|
Interactive functions will be called interactively whereas other
|
|
|
|
|
|
functions will be called with funcall except commands that are in
|
|
|
|
|
|
`helm-help-not-interactive-command'.
|
|
|
|
|
|
For convenience you can add bindings here with `helm-help-define-key'."
|
|
|
|
|
|
:type '(alist :key-type string :key-value symbol)
|
|
|
|
|
|
:group 'helm)
|
|
|
|
|
|
|
|
|
|
|
|
(defvar helm-help-not-interactive-command '(isearch-forward isearch-backward)
|
|
|
|
|
|
"Commands that we don't want to call interactively in `helm-help'.")
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-internal (bufname insert-content-fn)
|
|
|
|
|
|
"Show long message during Helm session in BUFNAME.
|
|
|
|
|
|
INSERT-CONTENT-FN is the function that inserts text to be
|
|
|
|
|
|
displayed in BUFNAME."
|
|
|
|
|
|
(let ((winconf (current-frame-configuration))
|
|
|
|
|
|
(hframe (selected-frame)))
|
|
|
|
|
|
(helm-log-run-hook 'helm-help-mode-before-hook)
|
|
|
|
|
|
(with-selected-frame helm-initial-frame
|
|
|
|
|
|
(select-frame-set-input-focus helm-initial-frame)
|
|
|
|
|
|
(unwind-protect
|
|
|
|
|
|
(progn
|
|
|
|
|
|
(setq helm-suspend-update-flag t)
|
|
|
|
|
|
(set-buffer (get-buffer-create bufname))
|
|
|
|
|
|
(switch-to-buffer bufname)
|
|
|
|
|
|
(when helm-help-full-frame (delete-other-windows))
|
|
|
|
|
|
(delete-region (point-min) (point-max))
|
|
|
|
|
|
(org-mode)
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(funcall insert-content-fn)
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(while (re-search-forward "^[|]" nil t)
|
|
|
|
|
|
(when (org-table-p t)
|
|
|
|
|
|
(org-table-align)
|
|
|
|
|
|
(goto-char (org-table-end)))))
|
|
|
|
|
|
(org-mark-ring-push) ; Put mark at bob
|
|
|
|
|
|
(buffer-disable-undo)
|
|
|
|
|
|
(helm-help-event-loop))
|
|
|
|
|
|
(raise-frame hframe)
|
|
|
|
|
|
(helm-log-run-hook 'helm-help-mode-after-hook)
|
|
|
|
|
|
(setq helm-suspend-update-flag nil)
|
|
|
|
|
|
(set-frame-configuration winconf)))))
|
|
|
|
|
|
|
|
|
|
|
|
(cl-defun helm-help-scroll-up (&optional (amount helm-scroll-amount))
|
|
|
|
|
|
"Scroll up in `helm-help'."
|
|
|
|
|
|
(condition-case _err
|
|
|
|
|
|
(scroll-up-command amount)
|
|
|
|
|
|
(beginning-of-buffer nil)
|
|
|
|
|
|
(end-of-buffer nil)))
|
|
|
|
|
|
|
|
|
|
|
|
(cl-defun helm-help-scroll-down (&optional (amount helm-scroll-amount))
|
|
|
|
|
|
"Scroll down in `helm-help'."
|
|
|
|
|
|
(condition-case _err
|
|
|
|
|
|
(scroll-down-command amount)
|
|
|
|
|
|
(beginning-of-buffer nil)
|
|
|
|
|
|
(end-of-buffer nil)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-next-line ()
|
|
|
|
|
|
"Next line function for `helm-help'."
|
|
|
|
|
|
(condition-case _err
|
|
|
|
|
|
(call-interactively #'next-line)
|
|
|
|
|
|
(beginning-of-buffer nil)
|
|
|
|
|
|
(end-of-buffer nil)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-previous-line ()
|
|
|
|
|
|
"Previous line function for `helm-help'."
|
|
|
|
|
|
(condition-case _err
|
|
|
|
|
|
(call-interactively #'previous-line)
|
|
|
|
|
|
(beginning-of-buffer nil)
|
|
|
|
|
|
(end-of-buffer nil)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-toggle-mark ()
|
|
|
|
|
|
"Toggle mark in `helm-help'."
|
|
|
|
|
|
(if (region-active-p)
|
|
|
|
|
|
(deactivate-mark)
|
|
|
|
|
|
(push-mark nil nil t)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-org-cycle ()
|
|
|
|
|
|
"Runs `org-cycle' in `helm-help'."
|
|
|
|
|
|
(pcase (helm-iter-next helm-help--iter-org-state)
|
|
|
|
|
|
((pred numberp) (org-content))
|
|
|
|
|
|
((and state) (org-cycle state))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-copy-region-as-kill ()
|
|
|
|
|
|
"Copy region function for `helm-help'"
|
|
|
|
|
|
(copy-region-as-kill
|
|
|
|
|
|
(region-beginning) (region-end))
|
|
|
|
|
|
(deactivate-mark))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-quit ()
|
|
|
|
|
|
"Quit `helm-help'."
|
|
|
|
|
|
(throw 'helm-help-quit nil))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-org-open-at-point ()
|
|
|
|
|
|
"Calls `org-open-at-point' ignoring errors."
|
|
|
|
|
|
(ignore-errors
|
|
|
|
|
|
(org-open-at-point)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-org-mark-ring-goto ()
|
|
|
|
|
|
"Calls `org-mark-ring-goto' ignoring errors."
|
|
|
|
|
|
(ignore-errors
|
|
|
|
|
|
(org-mark-ring-goto)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-event-loop ()
|
|
|
|
|
|
"The loop in charge of scanning keybindings in `helm-help'."
|
|
|
|
|
|
(let ((prompt (propertize
|
|
|
|
|
|
helm-help-default-prompt
|
|
|
|
|
|
'face 'helm-helper))
|
|
|
|
|
|
scroll-error-top-bottom
|
|
|
|
|
|
(helm-help--iter-org-state (helm-iter-circular '(1 (16) (64)))))
|
|
|
|
|
|
(catch 'helm-help-quit
|
|
|
|
|
|
(helm-awhile (read-key prompt)
|
|
|
|
|
|
(let ((fun (cl-loop for (k . v) in helm-help-hkmap
|
|
|
|
|
|
when (eql (aref (kbd k) 0) it)
|
|
|
|
|
|
return v)))
|
|
|
|
|
|
(when fun
|
|
|
|
|
|
(if (and (commandp fun)
|
|
|
|
|
|
(not (memq fun helm-help-not-interactive-command)))
|
|
|
|
|
|
;; For movement of cursor in help buffer we need to
|
|
|
|
|
|
;; call interactively commands for impaired people
|
|
|
|
|
|
;; using a synthetizer (Bug#1347).
|
|
|
|
|
|
(call-interactively fun)
|
|
|
|
|
|
(funcall fun))))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-help-define-key (key function &optional override)
|
|
|
|
|
|
"Add KEY bound to fUNCTION in `helm-help-hkmap'.
|
|
|
|
|
|
|
|
|
|
|
|
If OVERRIDE is non nil, all bindings associated with FUNCTION are
|
|
|
|
|
|
removed and only (KEY . FUNCTION) is kept.
|
|
|
|
|
|
If FUNCTION is nil (KEY . FUNCTION) is not added and removed from
|
|
|
|
|
|
alist if already present.
|
|
|
|
|
|
See `helm-help-hkmap' for supported keys and functions."
|
|
|
|
|
|
(cl-assert (not (cdr (split-string key))) nil
|
|
|
|
|
|
(format "Error: Unsuported key `%s'" key))
|
|
|
|
|
|
(when override
|
|
|
|
|
|
(helm-awhile (rassoc function helm-help-hkmap)
|
|
|
|
|
|
(setq helm-help-hkmap (delete it helm-help-hkmap))))
|
|
|
|
|
|
(helm-aif (and (null function) (assoc key helm-help-hkmap))
|
|
|
|
|
|
(setq helm-help-hkmap (delete it helm-help-hkmap))
|
|
|
|
|
|
(and function (add-to-list 'helm-help-hkmap `(,key . ,function)))))
|
|
|
|
|
|
|
|
|
|
|
|
;;; Multiline transformer
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defun helm-multiline-transformer (candidates _source)
|
|
|
|
|
|
(cl-loop with offset = (helm-interpret-value
|
|
|
|
|
|
(assoc-default 'multiline (helm-get-current-source)))
|
|
|
|
|
|
for cand in candidates
|
|
|
|
|
|
for disp = (or (car-safe cand) cand)
|
|
|
|
|
|
for real = (or (cdr-safe cand) cand)
|
|
|
|
|
|
if (numberp offset)
|
|
|
|
|
|
collect (cons (helm--multiline-get-truncated-candidate disp offset)
|
|
|
|
|
|
real)
|
|
|
|
|
|
else collect (cons disp real)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm--multiline-get-truncated-candidate (candidate offset)
|
|
|
|
|
|
"Truncate CANDIDATE when its length is > than OFFSET."
|
|
|
|
|
|
(with-temp-buffer
|
|
|
|
|
|
(insert candidate)
|
|
|
|
|
|
(goto-char (point-min))
|
|
|
|
|
|
(if (and offset
|
|
|
|
|
|
(> (buffer-size) offset))
|
|
|
|
|
|
(let ((end-str "[...]"))
|
|
|
|
|
|
(concat
|
|
|
|
|
|
(buffer-substring
|
|
|
|
|
|
(point)
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(forward-char offset)
|
|
|
|
|
|
(setq end-str (if (looking-at "\n")
|
|
|
|
|
|
end-str (concat "\n" end-str)))
|
|
|
|
|
|
(point)))
|
|
|
|
|
|
end-str))
|
|
|
|
|
|
(buffer-string))))
|
|
|
|
|
|
|
|
|
|
|
|
;;; List processing
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defun helm-flatten-list (seq)
|
|
|
|
|
|
"Return a list of all single elements of sublists in SEQ.
|
|
|
|
|
|
|
|
|
|
|
|
Example:
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(helm-flatten-list \\='(1 (2 . 3) nil (4 5 (6) 7) 8 (9 . 10)))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
=> (1 2 3 4 5 6 7 8 9 10)"
|
|
|
|
|
|
(let (result)
|
|
|
|
|
|
(cl-labels ((flatten
|
|
|
|
|
|
(seq)
|
|
|
|
|
|
(cl-loop for elm in seq
|
|
|
|
|
|
if (consp elm)
|
|
|
|
|
|
do (flatten
|
|
|
|
|
|
(if (atom (cdr elm))
|
|
|
|
|
|
(list (car elm) (cdr elm))
|
|
|
|
|
|
elm))
|
|
|
|
|
|
else do (and elm (push elm result)))))
|
|
|
|
|
|
(flatten seq))
|
|
|
|
|
|
(nreverse result)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-mklist (obj)
|
2022-08-04 18:39:15 +00:00
|
|
|
|
"If OBJ is a list (but not lambda), return itself.
|
2022-04-25 19:53:05 +00:00
|
|
|
|
Otherwise make a list with one element."
|
|
|
|
|
|
(if (and (listp obj) (not (functionp obj)))
|
|
|
|
|
|
obj
|
|
|
|
|
|
(list obj)))
|
|
|
|
|
|
|
|
|
|
|
|
(cl-defun helm-fast-remove-dups (seq &key (test 'eq))
|
|
|
|
|
|
"Remove duplicates elements in list SEQ.
|
|
|
|
|
|
|
|
|
|
|
|
This is same as `remove-duplicates' but with memoisation.
|
|
|
|
|
|
It is much faster, especially in large lists.
|
|
|
|
|
|
A test function can be provided with TEST argument key.
|
|
|
|
|
|
Default is `eq'.
|
|
|
|
|
|
NOTE: Comparison of special Elisp objects (e.g., markers etc.)
|
|
|
|
|
|
fails because their printed representations which are stored in
|
|
|
|
|
|
hash-table can't be compared with with the real object in SEQ.
|
|
|
|
|
|
This is a bug in `puthash' which store the printable
|
|
|
|
|
|
representation of object instead of storing the object itself,
|
|
|
|
|
|
this to provide at the end a printable representation of
|
|
|
|
|
|
hashtable itself."
|
|
|
|
|
|
(cl-loop with cont = (make-hash-table :test test)
|
|
|
|
|
|
for elm in seq
|
|
|
|
|
|
unless (gethash elm cont)
|
|
|
|
|
|
collect (puthash elm elm cont)))
|
|
|
|
|
|
|
|
|
|
|
|
(defsubst helm--string-join (strings &optional separator)
|
|
|
|
|
|
"Join all STRINGS using SEPARATOR."
|
|
|
|
|
|
(mapconcat 'identity strings separator))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm--concat-regexps (regexp-list)
|
|
|
|
|
|
"Return a regexp which matches any of the regexps in REGEXP-LIST."
|
|
|
|
|
|
(if regexp-list
|
|
|
|
|
|
(concat "\\(?:" (helm--string-join regexp-list "\\)\\|\\(?:") "\\)")
|
|
|
|
|
|
"\\`\\'")) ; Match nothing
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-skip-entries (seq black-regexp-list &optional white-regexp-list)
|
|
|
|
|
|
"Remove entries which match one of REGEXP-LIST from SEQ."
|
|
|
|
|
|
(let ((black-regexp (helm--concat-regexps black-regexp-list))
|
|
|
|
|
|
(white-regexp (helm--concat-regexps white-regexp-list)))
|
|
|
|
|
|
(cl-loop for i in seq
|
|
|
|
|
|
unless (and (stringp i)
|
|
|
|
|
|
(string-match-p black-regexp i)
|
|
|
|
|
|
(null
|
|
|
|
|
|
(string-match-p white-regexp i)))
|
|
|
|
|
|
collect i)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-boring-directory-p (directory black-list)
|
|
|
|
|
|
"Check if one regexp in BLACK-LIST matches DIRECTORY."
|
|
|
|
|
|
(helm-awhile (helm-basedir (directory-file-name
|
|
|
|
|
|
(expand-file-name directory)))
|
|
|
|
|
|
;; Break at root to avoid infloop, root is / or on Windows
|
|
|
|
|
|
;; C:/ i.e. <volume>:/ (Bug#2308).
|
|
|
|
|
|
(when (string-match-p "\\`[A-Za-z]?:?/\\'" it)
|
|
|
|
|
|
(cl-return nil))
|
|
|
|
|
|
(when (cl-loop for r in black-list
|
|
|
|
|
|
thereis (string-match-p
|
|
|
|
|
|
r (directory-file-name directory)))
|
|
|
|
|
|
(cl-return t))
|
|
|
|
|
|
(setq directory it)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-shadow-entries (seq regexp-list)
|
|
|
|
|
|
"Put shadow property on entries in SEQ matching a regexp in REGEXP-LIST."
|
|
|
|
|
|
(let ((face 'italic))
|
|
|
|
|
|
(cl-loop for i in seq
|
|
|
|
|
|
if (cl-loop for regexp in regexp-list
|
|
|
|
|
|
thereis (and (stringp i)
|
|
|
|
|
|
(string-match regexp i)))
|
|
|
|
|
|
collect (propertize i 'face face)
|
|
|
|
|
|
else collect i)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-remove-if-not-match (regexp seq)
|
|
|
|
|
|
"Remove all elements of SEQ that don't match REGEXP."
|
|
|
|
|
|
(cl-loop for s in seq
|
|
|
|
|
|
for str = (cond ((symbolp s)
|
|
|
|
|
|
(symbol-name s))
|
|
|
|
|
|
((consp s)
|
|
|
|
|
|
(car s))
|
|
|
|
|
|
(t s))
|
|
|
|
|
|
when (string-match-p regexp str)
|
|
|
|
|
|
collect s))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-remove-if-match (regexp seq)
|
|
|
|
|
|
"Remove all elements of SEQ that match REGEXP."
|
|
|
|
|
|
(cl-loop for s in seq
|
|
|
|
|
|
for str = (cond ((symbolp s)
|
|
|
|
|
|
(symbol-name s))
|
|
|
|
|
|
((consp s)
|
|
|
|
|
|
(car s))
|
|
|
|
|
|
(t s))
|
|
|
|
|
|
unless (string-match-p regexp str)
|
|
|
|
|
|
collect s))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-transform-mapcar (function args)
|
|
|
|
|
|
"`mapcar' for candidate-transformer.
|
|
|
|
|
|
|
|
|
|
|
|
ARGS is (cand1 cand2 ...) or ((disp1 . real1) (disp2 . real2) ...)
|
|
|
|
|
|
|
2022-08-04 18:39:15 +00:00
|
|
|
|
\(helm-transform-mapcar \\='upcase \\='(\"foo\" \"bar\"))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
=> (\"FOO\" \"BAR\")
|
2022-08-04 18:39:15 +00:00
|
|
|
|
\(helm-transform-mapcar \\='upcase \\='((\"1st\" . \"foo\") (\"2nd\" . \"bar\")))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
=> ((\"1st\" . \"FOO\") (\"2nd\" . \"BAR\"))
|
|
|
|
|
|
"
|
|
|
|
|
|
(cl-loop for arg in args
|
|
|
|
|
|
if (consp arg)
|
|
|
|
|
|
collect (cons (car arg) (funcall function (cdr arg)))
|
|
|
|
|
|
else
|
|
|
|
|
|
collect (funcall function arg)))
|
|
|
|
|
|
|
|
|
|
|
|
(defsubst helm-append-1 (elm seq)
|
|
|
|
|
|
"Append ELM to SEQ.
|
|
|
|
|
|
If ELM is not a list transform it in list."
|
|
|
|
|
|
(append (helm-mklist elm) seq))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-append-at-nth (seq elm index)
|
|
|
|
|
|
"Append ELM at INDEX in SEQ."
|
|
|
|
|
|
(let ((len (length seq)))
|
|
|
|
|
|
(setq index (min (max index 0) len))
|
|
|
|
|
|
(if (zerop index)
|
|
|
|
|
|
(helm-append-1 elm seq)
|
|
|
|
|
|
(cl-loop for i in seq
|
|
|
|
|
|
for count from 1 collect i
|
|
|
|
|
|
when (= count index)
|
|
|
|
|
|
if (and (listp elm) (not (functionp elm)))
|
|
|
|
|
|
append elm
|
|
|
|
|
|
else collect elm))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-take-first-elements (seq n)
|
|
|
|
|
|
"Return the first N elements of SEQ if SEQ is longer than N.
|
|
|
|
|
|
It is used for narrowing list of candidates to the
|
|
|
|
|
|
`helm-candidate-number-limit'."
|
|
|
|
|
|
(if (> (length seq) n) (cl-subseq seq 0 n) seq))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-source-by-name (name &optional sources)
|
|
|
|
|
|
"Get a Helm source in SOURCES by NAME.
|
|
|
|
|
|
|
|
|
|
|
|
Optional argument SOURCES is a list of Helm sources which default
|
|
|
|
|
|
to `helm-sources'."
|
|
|
|
|
|
(cl-loop with src-list = (if sources
|
|
|
|
|
|
(cl-loop for src in sources
|
|
|
|
|
|
collect (if (listp src)
|
|
|
|
|
|
src
|
|
|
|
|
|
(symbol-value src)))
|
|
|
|
|
|
helm-sources)
|
|
|
|
|
|
for source in src-list
|
|
|
|
|
|
thereis (and (string= name (assoc-default 'name source)) source)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-make-actions (&rest args)
|
|
|
|
|
|
"Build an alist with (NAME . ACTION) elements with each pairs in ARGS.
|
|
|
|
|
|
Where NAME is a string or a function returning a string or nil
|
|
|
|
|
|
and ACTION a function.
|
|
|
|
|
|
If NAME returns nil the pair is skipped.
|
|
|
|
|
|
|
|
|
|
|
|
\(fn NAME ACTION ...)"
|
|
|
|
|
|
(cl-loop for (name fn) on args by #'cddr
|
|
|
|
|
|
when (functionp name)
|
|
|
|
|
|
do (setq name (funcall name))
|
|
|
|
|
|
when name
|
|
|
|
|
|
collect (cons name fn)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-closest-number-in-list (num list)
|
|
|
|
|
|
"Return closest number to NUM found in LIST.
|
|
|
|
|
|
LIST is a list of numbers and NUM a number."
|
|
|
|
|
|
(cl-loop for i in list
|
|
|
|
|
|
for diff = (if (> num i) (- num i) (- i num))
|
|
|
|
|
|
collect (cons diff i) into res
|
|
|
|
|
|
minimize diff into min
|
|
|
|
|
|
finally return (cdr (assq min res))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-group-candidates-by (candidates function &optional selection separate)
|
|
|
|
|
|
"Group similar items in CANDIDATES according to FUNCTION.
|
|
|
|
|
|
Items not matching FUNCTION are grouped as well in a separate group.
|
|
|
|
|
|
|
|
|
|
|
|
Example:
|
|
|
|
|
|
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(setq B \\='(1 2 3 4 5 6 7 8 9))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(helm-group-candidates-by B #'cl-oddp 2 \\='separate)
|
2022-04-25 19:53:05 +00:00
|
|
|
|
=> ((2 4 6 8) (1 3 5 7 9))
|
|
|
|
|
|
|
|
|
|
|
|
SELECTION specify where to start in CANDIDATES.
|
|
|
|
|
|
Similar candidates to SELECTION will be listed on top.
|
|
|
|
|
|
|
|
|
|
|
|
If SEPARATE is non-nil returns a list of groups i.e. a list of lists,
|
|
|
|
|
|
otherwise a plain list is returned."
|
|
|
|
|
|
(cl-loop with sel = (or selection (helm-get-selection) "")
|
|
|
|
|
|
with lst = (copy-sequence candidates)
|
|
|
|
|
|
while lst
|
|
|
|
|
|
for group = (cl-loop for c in lst
|
|
|
|
|
|
when (equal (funcall function c)
|
|
|
|
|
|
(funcall function sel))
|
|
|
|
|
|
collect c into grp
|
|
|
|
|
|
and do (setq lst (delete c lst))
|
|
|
|
|
|
finally return (prog1 grp
|
|
|
|
|
|
(setq sel (car lst))))
|
|
|
|
|
|
if separate collect group
|
|
|
|
|
|
else append group))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-reorganize-sequence-from-elm (sequence elm &optional reverse)
|
|
|
|
|
|
"Reorganize SEQUENCE from ELM.
|
|
|
|
|
|
|
|
|
|
|
|
Examples:
|
|
|
|
|
|
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(helm-reorganize-sequence-from-elm \\='(a b c d e f g h i j k l) \\='e)
|
2022-04-25 19:53:05 +00:00
|
|
|
|
=> (f g h i j k l a b c d e)
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(helm-reorganize-sequence-from-elm \\='(a b c d e f g h i j k l) \\='e t)
|
2022-04-25 19:53:05 +00:00
|
|
|
|
=> (d c b a l k j i h g f e)
|
|
|
|
|
|
"
|
|
|
|
|
|
(let* ((new-seq (if reverse
|
|
|
|
|
|
(reverse sequence)
|
|
|
|
|
|
sequence))
|
|
|
|
|
|
(pos (1+ (cl-position elm new-seq :test 'equal))))
|
|
|
|
|
|
(append (nthcdr pos new-seq) (cl-subseq new-seq 0 pos))))
|
|
|
|
|
|
|
|
|
|
|
|
;;; Strings processing.
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defun helm-stringify (elm)
|
|
|
|
|
|
"Return the representation of ELM as a string.
|
|
|
|
|
|
ELM can be a string, a number or a symbol."
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(pcase elm
|
|
|
|
|
|
((pred stringp) elm)
|
|
|
|
|
|
((pred numberp) (number-to-string elm))
|
|
|
|
|
|
((pred symbolp) (symbol-name elm))))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
|
|
|
|
|
|
(defun helm-substring (str width)
|
|
|
|
|
|
"Return the substring of string STR from 0 to WIDTH.
|
|
|
|
|
|
Handle multibyte characters by moving by columns."
|
|
|
|
|
|
(with-temp-buffer
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(insert str))
|
|
|
|
|
|
(move-to-column width)
|
|
|
|
|
|
(buffer-substring (point-at-bol) (point))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-substring-by-width (str width &optional endstr)
|
|
|
|
|
|
"Truncate string STR to end at column WIDTH.
|
|
|
|
|
|
Similar to `truncate-string-to-width'.
|
|
|
|
|
|
Add ENDSTR at end of truncated STR.
|
|
|
|
|
|
Add spaces at end if needed to reach WIDTH when STR is shorter
|
|
|
|
|
|
than WIDTH."
|
|
|
|
|
|
(cl-loop for ini-str = str
|
|
|
|
|
|
then (substring ini-str 0 (1- (length ini-str)))
|
|
|
|
|
|
for sw = (string-width ini-str)
|
|
|
|
|
|
when (<= sw width) return
|
|
|
|
|
|
(concat ini-str endstr (make-string (- width sw) ? ))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-string-multibyte-p (str)
|
|
|
|
|
|
"Check if string STR contains multibyte characters."
|
|
|
|
|
|
(cl-loop for c across str
|
|
|
|
|
|
thereis (> (char-width c) 1)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-get-pid-from-process-name (process-name)
|
|
|
|
|
|
"Get pid from running process PROCESS-NAME."
|
|
|
|
|
|
;; Protect system processes calls (Issue #2497)
|
|
|
|
|
|
;; Ensure `list-system-processes' and `process-attributes' don't run
|
|
|
|
|
|
;; on remote (only Emacs-28/29+).
|
|
|
|
|
|
(cl-loop with default-directory = temporary-file-directory
|
|
|
|
|
|
with process-list = (list-system-processes)
|
|
|
|
|
|
for pid in process-list
|
|
|
|
|
|
for process = (assoc-default 'comm (process-attributes pid))
|
|
|
|
|
|
when (and process (string-match process-name process))
|
|
|
|
|
|
return pid))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-ff-find-printers ()
|
|
|
|
|
|
"Return a list of available printers on Unix systems."
|
|
|
|
|
|
(when (executable-find "lpstat")
|
|
|
|
|
|
(let ((printer-list (with-temp-buffer
|
|
|
|
|
|
(call-process "lpstat" nil t nil "-a")
|
|
|
|
|
|
(split-string (buffer-string) "\n"))))
|
|
|
|
|
|
(cl-loop for p in printer-list
|
|
|
|
|
|
for printer = (car (split-string p))
|
|
|
|
|
|
when printer
|
|
|
|
|
|
collect printer))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-region-active-p ()
|
|
|
|
|
|
(and transient-mark-mode mark-active (/= (mark) (point))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-quote-whitespace (candidate)
|
|
|
|
|
|
"Quote whitespace, if some, in string CANDIDATE."
|
|
|
|
|
|
(replace-regexp-in-string " " "\\\\ " candidate))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-current-line-contents ()
|
|
|
|
|
|
"Current line string without properties."
|
|
|
|
|
|
(buffer-substring-no-properties (point-at-bol) (point-at-eol)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm--replace-regexp-in-buffer-string (regexp rep str &optional fixedcase literal subexp start)
|
|
|
|
|
|
"Replace REGEXP by REP in string STR.
|
|
|
|
|
|
|
|
|
|
|
|
Same as `replace-regexp-in-string' but handle properly REP as
|
|
|
|
|
|
function with SUBEXP specified.
|
|
|
|
|
|
|
|
|
|
|
|
E.g.:
|
|
|
|
|
|
|
|
|
|
|
|
(helm--replace-regexp-in-buffer-string
|
2022-08-04 18:39:15 +00:00
|
|
|
|
\"e\\\\(m\\\\)acs\" \\='upcase \"emacs\" t nil 1)
|
2022-04-25 19:53:05 +00:00
|
|
|
|
=> \"eMacs\"
|
|
|
|
|
|
|
|
|
|
|
|
(replace-regexp-in-string
|
2022-08-04 18:39:15 +00:00
|
|
|
|
\"e\\\\(m\\\\)acs\" \\='upcase \"emacs\" t nil 1)
|
2022-04-25 19:53:05 +00:00
|
|
|
|
=> \"eEMACSacs\"
|
|
|
|
|
|
|
|
|
|
|
|
Also START argument behaves as expected unlike
|
|
|
|
|
|
`replace-regexp-in-string'.
|
|
|
|
|
|
|
|
|
|
|
|
E.g.:
|
|
|
|
|
|
|
|
|
|
|
|
(helm--replace-regexp-in-buffer-string \"f\" \"r\" \"foofoo\" t nil nil 3)
|
|
|
|
|
|
=> \"fooroo\"
|
|
|
|
|
|
|
|
|
|
|
|
(replace-regexp-in-string \"f\" \"r\" \"foofoo\" t nil nil 3)
|
|
|
|
|
|
=> \"roo\"
|
|
|
|
|
|
|
|
|
|
|
|
Unlike `replace-regexp-in-string' this function is buffer-based
|
|
|
|
|
|
implemented i.e. replacement is computed inside a temp buffer, so
|
|
|
|
|
|
REGEXP should be used differently than with
|
|
|
|
|
|
`replace-regexp-in-string'.
|
|
|
|
|
|
|
|
|
|
|
|
NOTE: This function is used internally for
|
|
|
|
|
|
`helm-ff-query-replace-on-filenames' and builded for this.
|
|
|
|
|
|
You should use `replace-regexp-in-string' instead unless the
|
|
|
|
|
|
behaviour of this function is really needed."
|
|
|
|
|
|
(with-temp-buffer
|
|
|
|
|
|
(insert str)
|
|
|
|
|
|
(goto-char (or start (point-min)))
|
|
|
|
|
|
(while (re-search-forward regexp nil t)
|
|
|
|
|
|
(replace-match (cond ((and (functionp rep) subexp)
|
|
|
|
|
|
(funcall rep (match-string subexp)))
|
|
|
|
|
|
((functionp rep)
|
|
|
|
|
|
(funcall rep str))
|
|
|
|
|
|
(t rep))
|
|
|
|
|
|
fixedcase literal nil subexp))
|
|
|
|
|
|
(buffer-string)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-url-unhex-string (str)
|
|
|
|
|
|
"Same as `url-unhex-string' but ensure STR is completely decoded."
|
|
|
|
|
|
(setq str (or str ""))
|
|
|
|
|
|
(with-temp-buffer
|
|
|
|
|
|
(save-excursion (insert str))
|
|
|
|
|
|
(while (re-search-forward "%[A-Za-z0-9]\\{2\\}" nil t)
|
|
|
|
|
|
(replace-match (byte-to-string (string-to-number
|
|
|
|
|
|
(substring (match-string 0) 1)
|
|
|
|
|
|
16))
|
|
|
|
|
|
t t)
|
|
|
|
|
|
;; Restart from beginning until string is completely decoded.
|
|
|
|
|
|
(goto-char (point-min)))
|
|
|
|
|
|
(decode-coding-string (buffer-string) 'utf-8)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-read-answer (prompt answer-list)
|
|
|
|
|
|
"Prompt user for an answer.
|
|
|
|
|
|
Arg PROMPT is the prompt to present user the different possible
|
|
|
|
|
|
answers, ANSWER-LIST is a list of strings.
|
|
|
|
|
|
If user enters an answer which is one of ANSWER-LIST return this
|
|
|
|
|
|
answer, otherwise keep prompting for a valid answer.
|
|
|
|
|
|
Note that answer should be a single char, only short answer are
|
|
|
|
|
|
accepted.
|
|
|
|
|
|
|
|
|
|
|
|
Example:
|
|
|
|
|
|
|
|
|
|
|
|
(let ((answer (helm-read-answer
|
|
|
|
|
|
\"answer [y,n,!,q]: \"
|
2022-08-04 18:39:15 +00:00
|
|
|
|
\\='(\"y\" \"n\" \"!\" \"q\"))))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
(pcase answer
|
|
|
|
|
|
(\"y\" \"yes\")
|
|
|
|
|
|
(\"n\" \"no\")
|
|
|
|
|
|
(\"!\" \"all\")
|
|
|
|
|
|
(\"q\" \"quit\")))
|
|
|
|
|
|
|
|
|
|
|
|
"
|
|
|
|
|
|
(helm-awhile (read-key (propertize prompt 'face 'minibuffer-prompt))
|
|
|
|
|
|
(let ((str (and (characterp it) (string it))))
|
|
|
|
|
|
(if (and str (member str answer-list))
|
|
|
|
|
|
(cl-return str)
|
|
|
|
|
|
(message "Please answer by %s" (mapconcat 'identity answer-list ", "))
|
|
|
|
|
|
(sit-for 1)))))
|
|
|
|
|
|
|
|
|
|
|
|
;;; Symbols routines
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defun helm-symbolify (str-or-sym)
|
|
|
|
|
|
"Get symbol of STR-OR-SYM."
|
|
|
|
|
|
(cond ((symbolp str-or-sym)
|
|
|
|
|
|
str-or-sym)
|
|
|
|
|
|
((equal str-or-sym "") nil)
|
|
|
|
|
|
(t (intern str-or-sym))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-symbol-name (obj)
|
|
|
|
|
|
(if (or (and (consp obj) (functionp obj))
|
|
|
|
|
|
(byte-code-function-p obj)
|
|
|
|
|
|
(helm-subr-native-elisp-p obj))
|
|
|
|
|
|
"Anonymous"
|
|
|
|
|
|
(symbol-name obj)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-describe-class (class)
|
|
|
|
|
|
"Display documentation of Eieio CLASS, a symbol or a string."
|
|
|
|
|
|
(advice-add 'cl--print-table :override #'helm-source--cl--print-table '((depth . 100)))
|
|
|
|
|
|
(unwind-protect
|
|
|
|
|
|
(let ((helm-describe-function-function 'describe-function))
|
|
|
|
|
|
(helm-describe-function class))
|
|
|
|
|
|
(advice-remove 'cl--print-table #'helm-source--cl--print-table)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-describe-function (func)
|
|
|
|
|
|
"Display documentation of FUNC, a symbol or string."
|
|
|
|
|
|
(cl-letf (((symbol-function 'message) #'ignore))
|
|
|
|
|
|
(funcall helm-describe-function-function (helm-symbolify func))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-describe-variable (var)
|
|
|
|
|
|
"Display documentation of VAR, a symbol or a string."
|
|
|
|
|
|
(cl-letf (((symbol-function 'message) #'ignore))
|
|
|
|
|
|
(funcall helm-describe-variable-function (helm-symbolify var))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-describe-face (face)
|
|
|
|
|
|
"Display documentation of FACE, a symbol or a string."
|
|
|
|
|
|
(let ((faces (helm-marked-candidates)))
|
|
|
|
|
|
(cl-letf (((symbol-function 'message) #'ignore))
|
|
|
|
|
|
(describe-face (if (cdr faces)
|
|
|
|
|
|
(mapcar 'helm-symbolify faces)
|
|
|
|
|
|
(helm-symbolify face))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-elisp--persistent-help (candidate fun &optional name)
|
|
|
|
|
|
"Used to build persistent actions describing CANDIDATE with FUN.
|
|
|
|
|
|
Argument NAME is used internally to know which command to use
|
|
|
|
|
|
when symbol CANDIDATE refers at the same time to a variable and a
|
|
|
|
|
|
function.
|
|
|
|
|
|
See `helm-elisp-show-help'."
|
|
|
|
|
|
(let ((hbuf (get-buffer (help-buffer))))
|
|
|
|
|
|
(cond ((helm-follow-mode-p)
|
|
|
|
|
|
(if name
|
|
|
|
|
|
(funcall fun candidate name)
|
|
|
|
|
|
(funcall fun candidate)))
|
|
|
|
|
|
((or (and (helm-get-attr 'help-running-p)
|
|
|
|
|
|
(string= candidate (helm-get-attr 'help-current-symbol))))
|
|
|
|
|
|
(progn
|
|
|
|
|
|
;; When started from a help buffer,
|
|
|
|
|
|
;; Don't kill this buffer as it is helm-current-buffer.
|
|
|
|
|
|
(unless (equal hbuf helm-current-buffer)
|
|
|
|
|
|
(kill-buffer hbuf)
|
|
|
|
|
|
(set-window-buffer (get-buffer-window hbuf)
|
|
|
|
|
|
;; It is generally
|
|
|
|
|
|
;; helm-current-buffer but it may
|
|
|
|
|
|
;; be another buffer when helm have
|
|
|
|
|
|
;; been started from a dedicated window.
|
|
|
|
|
|
(if helm--buffer-in-new-frame-p
|
|
|
|
|
|
helm-current-buffer
|
|
|
|
|
|
helm-persistent-action-window-buffer)))
|
|
|
|
|
|
(helm-set-attr 'help-running-p nil))
|
|
|
|
|
|
;; Force running update hook to may be delete
|
|
|
|
|
|
;; helm-persistent-action-display-window, this is done in
|
|
|
|
|
|
;; helm-persistent-action-display-window (the function).
|
|
|
|
|
|
(unless helm--buffer-in-new-frame-p
|
|
|
|
|
|
(helm-update (regexp-quote (helm-get-selection)))))
|
|
|
|
|
|
(t
|
|
|
|
|
|
(if name
|
|
|
|
|
|
(funcall fun candidate name)
|
|
|
|
|
|
(funcall fun candidate))
|
|
|
|
|
|
(helm-set-attr 'help-running-p t)))
|
|
|
|
|
|
(helm-set-attr 'help-current-symbol candidate)))
|
|
|
|
|
|
|
|
|
|
|
|
(defcustom helm-find-function-default-project nil
|
|
|
|
|
|
"Default directories to search symbols definitions from `helm-apropos'.
|
|
|
|
|
|
A list of directories or a single directory name.
|
|
|
|
|
|
Helm will allow you selecting one of those directories with `M-n' when
|
|
|
|
|
|
using a prefix arg with the `find-function' action in `helm-apropos'.
|
|
|
|
|
|
This is a good idea to add the directory names of the projects you are
|
|
|
|
|
|
working on to quickly jump to the definitions in the project source
|
|
|
|
|
|
files instead of jumping to the loaded files located in `load-path'."
|
|
|
|
|
|
:type '(choice (repeat string)
|
|
|
|
|
|
string)
|
|
|
|
|
|
:group 'helm-elisp)
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-find-function-noselect (func &optional root-dir type)
|
|
|
|
|
|
"Find FUNC definition without selecting buffer.
|
|
|
|
|
|
FUNC can be a symbol or a string.
|
|
|
|
|
|
Instead of looking in LOAD-PATH to find library, this function
|
|
|
|
|
|
search in all subdirs of ROOT-DIR, if ROOT-DIR is unspecified ask for
|
|
|
|
|
|
it with completion.
|
|
|
|
|
|
TYPE when nil specify function, for other values see
|
|
|
|
|
|
`find-function-regexp-alist'."
|
|
|
|
|
|
(require 'find-func)
|
|
|
|
|
|
(let* ((sym (helm-symbolify func))
|
|
|
|
|
|
(dir (or root-dir (helm-read-file-name
|
|
|
|
|
|
"Project directory: "
|
|
|
|
|
|
:test 'file-directory-p
|
|
|
|
|
|
:default (helm-mklist helm-find-function-default-project)
|
|
|
|
|
|
:must-match t)))
|
|
|
|
|
|
(find-function-source-path
|
|
|
|
|
|
(cons dir (helm-walk-directory dir
|
|
|
|
|
|
:directories 'only
|
|
|
|
|
|
:path 'full)))
|
|
|
|
|
|
(symbol-lib (helm-acase type
|
|
|
|
|
|
((defvar defface)
|
|
|
|
|
|
(or (symbol-file sym it)
|
|
|
|
|
|
(help-C-file-name sym 'var)))
|
|
|
|
|
|
(t (cdr (find-function-library sym)))))
|
|
|
|
|
|
(library (find-library-name
|
|
|
|
|
|
(helm-basename symbol-lib t))))
|
|
|
|
|
|
(find-function-search-for-symbol sym type library)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-find-function (func)
|
|
|
|
|
|
"Try to jump to FUNC definition.
|
|
|
|
|
|
With a prefix arg ask for the project directory to search in instead of
|
|
|
|
|
|
using LOAD-PATH."
|
|
|
|
|
|
(if (not helm-current-prefix-arg)
|
|
|
|
|
|
(find-function (helm-symbolify func))
|
|
|
|
|
|
(let ((place (helm-find-function-noselect func)))
|
|
|
|
|
|
(when place
|
|
|
|
|
|
(switch-to-buffer (car place)) (goto-char (cdr place))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-find-variable (var)
|
|
|
|
|
|
"Try to jump to VAR definition.
|
|
|
|
|
|
With a prefix arg ask for the project directory to search in instead of
|
|
|
|
|
|
using LOAD-PATH."
|
|
|
|
|
|
(if (not helm-current-prefix-arg)
|
|
|
|
|
|
(find-variable (helm-symbolify var))
|
|
|
|
|
|
(let ((place (helm-find-function-noselect var nil 'defvar)))
|
|
|
|
|
|
(when place
|
|
|
|
|
|
(switch-to-buffer (car place)) (goto-char (cdr place))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-find-face-definition (face)
|
|
|
|
|
|
"Try to jump to FACE definition.
|
|
|
|
|
|
With a prefix arg ask for the project directory to search in instead of
|
|
|
|
|
|
using LOAD-PATH."
|
|
|
|
|
|
(if (not helm-current-prefix-arg)
|
|
|
|
|
|
(find-face-definition (helm-symbolify face))
|
|
|
|
|
|
(let ((place (helm-find-function-noselect face nil 'defface)))
|
|
|
|
|
|
(when place
|
|
|
|
|
|
(switch-to-buffer (car place)) (goto-char (cdr place))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-kill-new (candidate &optional replace)
|
|
|
|
|
|
"CANDIDATE is symbol or string.
|
|
|
|
|
|
See `kill-new' for argument REPLACE."
|
|
|
|
|
|
(kill-new (helm-stringify candidate) replace))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
;;; Modes
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defun helm-same-major-mode-p (start-buffer alist)
|
|
|
|
|
|
"Decide if current-buffer is related to START-BUFFER.
|
|
|
|
|
|
Argument ALIST is an alist of associated major modes."
|
|
|
|
|
|
;; START-BUFFER is the current-buffer where we start searching.
|
|
|
|
|
|
;; Determine the major-mode of START-BUFFER as `cur-maj-mode'.
|
|
|
|
|
|
;; Each time the loop go in another buffer we try from this buffer
|
|
|
|
|
|
;; to determine if its `major-mode' is:
|
|
|
|
|
|
;; - same as the `cur-maj-mode'
|
|
|
|
|
|
;; - derived from `cur-maj-mode' and from
|
|
|
|
|
|
;; START-BUFFER if its mode is derived from the one in START-BUFFER.
|
|
|
|
|
|
;; - have an assoc entry (major-mode . cur-maj-mode)
|
|
|
|
|
|
;; - have an rassoc entry (cur-maj-mode . major-mode)
|
|
|
|
|
|
;; - check if one of these entries inherit from another one in
|
|
|
|
|
|
;; `alist'.
|
|
|
|
|
|
(let* ((cur-maj-mode (with-current-buffer start-buffer major-mode))
|
|
|
|
|
|
(maj-mode major-mode)
|
|
|
|
|
|
(c-assoc-mode (assq cur-maj-mode alist))
|
|
|
|
|
|
(c-rassoc-mode (rassq cur-maj-mode alist))
|
|
|
|
|
|
(o-assoc-mode (assq major-mode alist))
|
|
|
|
|
|
(o-rassoc-mode (rassq major-mode alist))
|
|
|
|
|
|
(cdr-c-assoc-mode (cdr c-assoc-mode))
|
|
|
|
|
|
(cdr-o-assoc-mode (cdr o-assoc-mode)))
|
|
|
|
|
|
(or (eq major-mode cur-maj-mode)
|
|
|
|
|
|
(derived-mode-p cur-maj-mode)
|
|
|
|
|
|
(with-current-buffer start-buffer
|
|
|
|
|
|
(derived-mode-p maj-mode))
|
|
|
|
|
|
(or (eq cdr-c-assoc-mode major-mode)
|
|
|
|
|
|
(eq (car c-rassoc-mode) major-mode)
|
|
|
|
|
|
(eq (cdr (assq cdr-c-assoc-mode alist))
|
|
|
|
|
|
major-mode)
|
|
|
|
|
|
(eq (car (rassq cdr-c-assoc-mode alist))
|
|
|
|
|
|
major-mode))
|
|
|
|
|
|
(or (eq cdr-o-assoc-mode cur-maj-mode)
|
|
|
|
|
|
(eq (car o-rassoc-mode) cur-maj-mode)
|
|
|
|
|
|
(eq (cdr (assq cdr-o-assoc-mode alist))
|
|
|
|
|
|
cur-maj-mode)
|
|
|
|
|
|
(eq (car (rassq cdr-o-assoc-mode alist))
|
|
|
|
|
|
cur-maj-mode)))))
|
|
|
|
|
|
|
|
|
|
|
|
;;; Files routines
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defun helm-file-name-sans-extension (filename)
|
|
|
|
|
|
"Same as `file-name-sans-extension' but remove all extensions."
|
|
|
|
|
|
(helm-aif (file-name-sans-extension filename)
|
|
|
|
|
|
;; Start searching at index 1 for files beginning with a dot
|
|
|
|
|
|
;; (bug#1335).
|
|
|
|
|
|
(if (string-match "\\." (helm-basename it) 1)
|
|
|
|
|
|
(helm-file-name-sans-extension it)
|
|
|
|
|
|
it)))
|
|
|
|
|
|
|
|
|
|
|
|
(defsubst helm-file-name-extension (file)
|
|
|
|
|
|
"Returns FILE extension if it is not a number."
|
|
|
|
|
|
(helm-aif (file-name-extension file)
|
|
|
|
|
|
(and (not (string-match "\\`0+\\'" it))
|
|
|
|
|
|
(zerop (string-to-number it))
|
|
|
|
|
|
it)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-basename (fname &optional ext)
|
|
|
|
|
|
"Print FNAME with any leading directory components removed.
|
|
|
|
|
|
If specified, also remove filename extension EXT.
|
|
|
|
|
|
Arg EXT can be specified as a string with or without dot, in this
|
|
|
|
|
|
case it should match `file-name-extension'.
|
|
|
|
|
|
It can also be non-nil (t) in this case no checking of
|
|
|
|
|
|
`file-name-extension' is done and the extension is removed
|
|
|
|
|
|
unconditionally."
|
|
|
|
|
|
(let ((non-essential t))
|
|
|
|
|
|
(if (and ext (or (string= (file-name-extension fname) ext)
|
|
|
|
|
|
(string= (file-name-extension fname t) ext)
|
|
|
|
|
|
(eq ext t))
|
|
|
|
|
|
(not (file-directory-p fname)))
|
|
|
|
|
|
(file-name-sans-extension (file-name-nondirectory fname))
|
|
|
|
|
|
(file-name-nondirectory (directory-file-name fname)))))
|
|
|
|
|
|
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(defun helm-basedir (fname &optional parent)
|
|
|
|
|
|
"Return the base directory of filename ending by a slash.
|
|
|
|
|
|
If PARENT is specified and FNAME is a directory return the parent
|
|
|
|
|
|
directory of FNAME."
|
2022-04-25 19:53:05 +00:00
|
|
|
|
(helm-aif (and fname
|
|
|
|
|
|
(or (and (string= fname "~") "~")
|
2022-08-04 18:39:15 +00:00
|
|
|
|
(file-name-directory
|
|
|
|
|
|
(if parent
|
|
|
|
|
|
(directory-file-name fname)
|
|
|
|
|
|
fname))))
|
2022-04-25 19:53:05 +00:00
|
|
|
|
(file-name-as-directory it)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-current-directory ()
|
|
|
|
|
|
"Return current-directory name at point.
|
|
|
|
|
|
Useful in dired buffers when there is inserted subdirs."
|
|
|
|
|
|
(expand-file-name
|
|
|
|
|
|
(if (eq major-mode 'dired-mode)
|
|
|
|
|
|
(dired-current-directory)
|
|
|
|
|
|
default-directory)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-shadow-boring-files (files)
|
|
|
|
|
|
"Files matching `helm-boring-file-regexp' will be
|
|
|
|
|
|
displayed with the `file-name-shadow' face if available."
|
|
|
|
|
|
(helm-shadow-entries files helm-boring-file-regexp-list))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-skip-boring-files (files)
|
|
|
|
|
|
"Files matching `helm-boring-file-regexp' will be skipped."
|
|
|
|
|
|
(helm-skip-entries files helm-boring-file-regexp-list))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-skip-current-file (files)
|
|
|
|
|
|
"Current file will be skipped."
|
|
|
|
|
|
(remove (buffer-file-name helm-current-buffer) files))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-w32-pathname-transformer (args)
|
|
|
|
|
|
"Change undesirable features of windows pathnames to ones more acceptable to
|
|
|
|
|
|
other candidate transformers."
|
|
|
|
|
|
(if (eq system-type 'windows-nt)
|
|
|
|
|
|
(helm-transform-mapcar
|
|
|
|
|
|
(lambda (x)
|
|
|
|
|
|
(replace-regexp-in-string
|
|
|
|
|
|
"/cygdrive/\\(.\\)" "\\1:"
|
|
|
|
|
|
(replace-regexp-in-string "\\\\" "/" x)))
|
|
|
|
|
|
args)
|
|
|
|
|
|
args))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-w32-prepare-filename (file)
|
|
|
|
|
|
"Convert filename FILE to something usable by external w32 executables."
|
|
|
|
|
|
(replace-regexp-in-string ; For UNC paths
|
|
|
|
|
|
"/" "\\"
|
|
|
|
|
|
(replace-regexp-in-string ; Strip cygdrive paths
|
|
|
|
|
|
"/cygdrive/\\(.\\)" "\\1:"
|
|
|
|
|
|
file nil nil) nil t))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-w32-shell-execute-open-file (file)
|
|
|
|
|
|
(with-no-warnings
|
|
|
|
|
|
(w32-shell-execute "open" (helm-w32-prepare-filename file))))
|
|
|
|
|
|
|
|
|
|
|
|
;; Same as `vc-directory-exclusion-list'.
|
|
|
|
|
|
(defvar helm-walk-ignore-directories
|
|
|
|
|
|
'("SCCS/" "RCS/" "CVS/" "MCVS/" ".svn/" ".git/" ".hg/" ".bzr/"
|
|
|
|
|
|
"_MTN/" "_darcs/" "{arch}/" ".gvfs/"))
|
|
|
|
|
|
|
|
|
|
|
|
(defsubst helm--dir-file-name (file dir)
|
|
|
|
|
|
(expand-file-name
|
|
|
|
|
|
(substring file 0 (1- (length file))) dir))
|
|
|
|
|
|
|
|
|
|
|
|
(defsubst helm--dir-name-p (str)
|
|
|
|
|
|
(char-equal (aref str (1- (length str))) ?/))
|
|
|
|
|
|
|
|
|
|
|
|
(cl-defun helm-walk-directory (directory &key (path 'basename)
|
|
|
|
|
|
directories
|
|
|
|
|
|
match skip-subdirs
|
|
|
|
|
|
noerror)
|
|
|
|
|
|
"Walk through DIRECTORY tree.
|
|
|
|
|
|
|
|
|
|
|
|
Argument PATH can be one of basename, relative, full, or a
|
|
|
|
|
|
function called on file name, default to basename.
|
|
|
|
|
|
|
|
|
|
|
|
Argument DIRECTORIES when t return also directories names,
|
|
|
|
|
|
otherwise skip directories names, with a value of `only' returns
|
|
|
|
|
|
only subdirectories, i.e. files are skipped.
|
|
|
|
|
|
|
|
|
|
|
|
Argument MATCH is a regexp matching files or directories.
|
|
|
|
|
|
|
|
|
|
|
|
Argument SKIP-SUBDIRS when t will skip
|
|
|
|
|
|
`helm-walk-ignore-directories', otherwise if it is given as a
|
|
|
|
|
|
list of directories, this list will be used instead of
|
|
|
|
|
|
`helm-walk-ignore-directories'.
|
|
|
|
|
|
|
|
|
|
|
|
Argument NOERROR when t will skip directories which are not
|
|
|
|
|
|
accessible."
|
|
|
|
|
|
(let ((fn (cl-case path
|
|
|
|
|
|
(basename 'file-name-nondirectory)
|
|
|
|
|
|
(relative 'file-relative-name)
|
|
|
|
|
|
(full 'identity)
|
|
|
|
|
|
(t path)))) ; A function.
|
|
|
|
|
|
(setq skip-subdirs (if (listp skip-subdirs)
|
|
|
|
|
|
skip-subdirs
|
|
|
|
|
|
helm-walk-ignore-directories))
|
|
|
|
|
|
(cl-labels ((ls-rec (dir)
|
|
|
|
|
|
(unless (file-symlink-p dir)
|
|
|
|
|
|
(cl-loop for f in (sort (file-name-all-completions "" dir)
|
|
|
|
|
|
'string-lessp)
|
|
|
|
|
|
unless (member f '("./" "../"))
|
|
|
|
|
|
;; A directory.
|
|
|
|
|
|
;; Use `helm--dir-file-name' to remove the final slash.
|
|
|
|
|
|
;; Needed to avoid infloop on directory symlinks.
|
|
|
|
|
|
if (and (helm--dir-name-p f)
|
|
|
|
|
|
(helm--dir-file-name f dir))
|
|
|
|
|
|
nconc
|
|
|
|
|
|
(unless (or (member f skip-subdirs)
|
|
|
|
|
|
(and noerror
|
|
|
|
|
|
(not (file-accessible-directory-p it))))
|
|
|
|
|
|
(if (and directories
|
|
|
|
|
|
(or (null match)
|
|
|
|
|
|
(string-match match f)))
|
|
|
|
|
|
(nconc (list (concat (funcall fn it) "/"))
|
|
|
|
|
|
(ls-rec it))
|
|
|
|
|
|
(ls-rec it)))
|
|
|
|
|
|
;; A regular file.
|
|
|
|
|
|
else nconc
|
|
|
|
|
|
(when (and (null (eq directories 'only))
|
|
|
|
|
|
(or (null match) (string-match match f)))
|
|
|
|
|
|
(list (funcall fn (expand-file-name f dir))))))))
|
|
|
|
|
|
(ls-rec directory))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-file-expand-wildcards (pattern &optional full)
|
|
|
|
|
|
"Same as `file-expand-wildcards' but allow recursion.
|
|
|
|
|
|
Recursion happens when PATTERN starts with two stars.
|
|
|
|
|
|
Directories expansion is not supported."
|
|
|
|
|
|
(let ((bn (helm-basename pattern))
|
|
|
|
|
|
(case-fold-search nil))
|
|
|
|
|
|
(if (and helm-file-globstar
|
|
|
|
|
|
(string-match "\\`\\*\\{2\\}\\(.*\\)" bn))
|
|
|
|
|
|
(helm-walk-directory (helm-basedir pattern)
|
|
|
|
|
|
:path (cl-case full
|
|
|
|
|
|
(full 'full)
|
|
|
|
|
|
(relative 'relative)
|
|
|
|
|
|
((basename nil) 'basename)
|
|
|
|
|
|
(t 'full))
|
|
|
|
|
|
:directories nil
|
|
|
|
|
|
:match (or (helm-wildcard-to-regexp bn)
|
|
|
|
|
|
(wildcard-to-regexp bn))
|
|
|
|
|
|
:skip-subdirs t)
|
|
|
|
|
|
(helm-aif (helm-wildcard-to-regexp bn)
|
|
|
|
|
|
(directory-files (helm-basedir pattern) full it)
|
|
|
|
|
|
;; `file-expand-wildcards' fails to expand weird directories
|
|
|
|
|
|
;; like "[ foo.zz ] bar.*.avi", fallback to `directory-files'
|
|
|
|
|
|
;; in such cases.
|
|
|
|
|
|
(or (file-expand-wildcards pattern full)
|
|
|
|
|
|
(directory-files (helm-basedir pattern)
|
|
|
|
|
|
full (wildcard-to-regexp bn)))))))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-wildcard-to-regexp (wc)
|
|
|
|
|
|
"Transform wilcard WC like \"**.{jpg,jpeg}\" in REGEXP."
|
|
|
|
|
|
(when (string-match ".*\\(\\*\\{1,2\\}\\)\\.[{]\\(.*\\)[}]\\'" wc)
|
|
|
|
|
|
(format ".*\\.\\(%s\\)$"
|
|
|
|
|
|
(replace-regexp-in-string
|
|
|
|
|
|
"," "\\\\|" (match-string 2 wc)))))
|
|
|
|
|
|
|
|
|
|
|
|
;;; helm internals
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defun helm-set-pattern (pattern &optional noupdate)
|
|
|
|
|
|
"Set minibuffer contents to PATTERN.
|
|
|
|
|
|
If optional NOUPDATE is non-nil, the Helm buffer is not changed."
|
|
|
|
|
|
(with-selected-window (or (active-minibuffer-window) (minibuffer-window))
|
|
|
|
|
|
(delete-minibuffer-contents)
|
|
|
|
|
|
(insert pattern))
|
|
|
|
|
|
(when noupdate
|
|
|
|
|
|
(setq helm-pattern pattern)))
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-minibuffer-completion-contents ()
|
|
|
|
|
|
"Return the user input in a minibuffer before point as a string.
|
|
|
|
|
|
That is what completion commands operate on."
|
|
|
|
|
|
(buffer-substring (field-beginning) (point)))
|
|
|
|
|
|
|
|
|
|
|
|
(defmacro with-helm-buffer (&rest body)
|
|
|
|
|
|
"Eval BODY inside `helm-buffer'."
|
|
|
|
|
|
(declare (indent 0) (debug t))
|
|
|
|
|
|
`(with-current-buffer (helm-buffer-get)
|
|
|
|
|
|
,@body))
|
|
|
|
|
|
|
|
|
|
|
|
(defmacro with-helm-current-buffer (&rest body)
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"Eval BODY inside `helm-current-buffer'."
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(declare (indent 0) (debug t))
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`(with-current-buffer (or (and (buffer-live-p helm-current-buffer)
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helm-current-buffer)
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(setq helm-current-buffer
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(current-buffer)))
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,@body))
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(defun helm-buffer-get ()
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"Return `helm-action-buffer' if shown otherwise `helm-buffer'."
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(if (helm-action-window)
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helm-action-buffer
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helm-buffer))
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(defun helm-window ()
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"Window of `helm-buffer'."
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(get-buffer-window (helm-buffer-get) 0))
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(defun helm-action-window ()
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"Window of `helm-action-buffer'."
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(get-buffer-window helm-action-buffer 'visible))
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(defmacro with-helm-window (&rest body)
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"Be sure BODY is excuted in the helm window."
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(declare (indent 0) (debug t))
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`(with-selected-window (helm-window)
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,@body))
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(defmacro helm-without-follow (&rest body)
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"Ensure BODY runs without following.
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I.e. when using `helm-next-line' and friends in BODY."
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(declare (indent 0) (debug t))
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`(cl-letf (((symbol-function 'helm-follow-mode-p)
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(lambda (&optional _) nil)))
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(let (helm-follow-mode-persistent)
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(progn ,@body))))
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;; Completion styles related functions
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;;
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(defun helm--setup-completion-styles-alist ()
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(cl-pushnew '(helm helm-completion-try-completion
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helm-completion-all-completions
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"helm multi completion style.")
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completion-styles-alist
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:test 'equal)
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(unless (assq 'flex completion-styles-alist)
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;; Add helm-fuzzy style only if flex is not available.
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(cl-pushnew '(helm-flex helm-flex-completion-try-completion
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helm-flex-completion-all-completions
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"helm flex completion style.\nProvide flex matching for emacs-26.")
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completion-styles-alist
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:test 'equal)))
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(defvar helm-blacklist-completion-styles '(emacs21 emacs22))
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(defun helm--prepare-completion-styles (&optional nomode styles)
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"Return a suitable list of styles for `completion-styles'.
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When `helm-completion-style' is not `emacs' the Emacs vanilla
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default `completion-styles' is used except for
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`helm-dynamic-completion' which uses inconditionally `emacs' as
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value for `helm-completion-style'.
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If styles are specified in `helm-completion-styles-alist' for a
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particular mode, use these styles unless NOMODE is non nil.
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If STYLES is specified as a list of styles suitable for
|
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`completion-styles' these styles are used in the given order.
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Otherwise helm style is added to `completion-styles' always after
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flex or helm-flex completion style if present."
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;; For `helm-completion-style' and `helm-completion-styles-alist'.
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(require 'helm-mode)
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(if (memq helm-completion-style '(helm helm-fuzzy))
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;; Keep default settings, but probably nil is fine as well.
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'(basic partial-completion emacs22)
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(or
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styles
|
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(pcase (and (null nomode)
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(cdr (assq major-mode helm-completion-styles-alist)))
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(`(,_l . ,ll) ll))
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;; We need to have flex always behind helm, otherwise
|
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;; when matching against e.g. '(foo foobar foao frogo bar
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;; baz) with pattern "foo" helm style if before flex will
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;; return foo and foobar only defeating flex that would
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|
;; return foo foobar foao and frogo.
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|
|
(let* ((wflex (car (or (assq 'flex completion-styles-alist)
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|
|
(assq 'helm-flex completion-styles-alist))))
|
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|
(styles (append (and (memq wflex completion-styles)
|
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(list wflex))
|
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(cl-loop for s in completion-styles
|
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unless (or (memq s helm-blacklist-completion-styles)
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|
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(memq wflex completion-styles))
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collect s))))
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|
(helm-append-at-nth
|
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|
|
styles '(helm)
|
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|
|
(if (memq wflex completion-styles)
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|
|
1 0))))))
|
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|
|
(defun helm-dynamic-completion (collection predicate &optional point metadata nomode styles)
|
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"Build a completion function for `helm-pattern' in COLLECTION.
|
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Only the elements of COLLECTION that satisfy PREDICATE are considered.
|
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Argument POINT is the same as in `completion-all-completions' and
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|
is meaningful only when using some kind of `completion-at-point'.
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The return value is a list of completions that may be sorted by
|
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|
|
the sort function provided by the completion-style in
|
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|
use (emacs-27 only), otherwise (emacs-26) the sort function has
|
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|
|
to be provided if needed either with an FCT function in source or
|
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|
|
by passing the sort function with METADATA
|
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|
E.g.: (metadata (display-sort-function . foo)).
|
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|
|
If you don't want the sort fn provided by style to kick
|
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|
in (emacs-27) you can use as metadata value the symbol `nosort'.
|
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Example:
|
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|
|
(helm :sources (helm-build-sync-source \"test\"
|
|
|
|
|
|
:candidates (helm-dynamic-completion
|
2022-08-04 18:39:15 +00:00
|
|
|
|
\\='(foo bar baz foab)
|
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|
|
|
|
\\='symbolp)
|
2022-04-25 19:53:05 +00:00
|
|
|
|
:match-dynamic t)
|
|
|
|
|
|
:buffer \"*helm test*\")
|
|
|
|
|
|
|
|
|
|
|
|
When argument NOMODE is non nil don't use `completion-styles' as
|
|
|
|
|
|
specified in `helm-completion-styles-alist' for specific modes.
|
|
|
|
|
|
|
|
|
|
|
|
When STYLES is specified use these `completion-styles', see
|
|
|
|
|
|
`helm--prepare-completion-styles'.
|
|
|
|
|
|
|
|
|
|
|
|
Also `helm-completion-style' settings have no effect here,
|
|
|
|
|
|
`emacs' being used inconditionally as value."
|
|
|
|
|
|
(lambda ()
|
|
|
|
|
|
(let* (;; Force usage of emacs style otherwise
|
|
|
|
|
|
;; helm--prepare-completion-styles will reset
|
|
|
|
|
|
;; completion-styles to default value i.e. (basic partial
|
|
|
|
|
|
;; emacs22).
|
|
|
|
|
|
(helm-completion-style 'emacs)
|
|
|
|
|
|
(completion-styles
|
|
|
|
|
|
(with-helm-current-buffer
|
|
|
|
|
|
(helm--prepare-completion-styles nomode styles)))
|
|
|
|
|
|
(completion-flex-nospace t)
|
|
|
|
|
|
(nosort (eq metadata 'nosort))
|
|
|
|
|
|
(compsfn (lambda (str pred _action)
|
|
|
|
|
|
(let* ((completion-ignore-case (helm-set-case-fold-search))
|
|
|
|
|
|
(comps (completion-all-completions
|
|
|
|
|
|
str
|
|
|
|
|
|
(if (functionp collection)
|
|
|
|
|
|
(funcall collection str pred t)
|
|
|
|
|
|
collection)
|
|
|
|
|
|
pred
|
|
|
|
|
|
(or point 0)
|
|
|
|
|
|
(or (and (listp metadata) metadata)
|
|
|
|
|
|
(setq metadata '(metadata)))))
|
|
|
|
|
|
(last-data (last comps))
|
|
|
|
|
|
(sort-fn (unless nosort
|
|
|
|
|
|
(completion-metadata-get
|
|
|
|
|
|
metadata 'display-sort-function)))
|
|
|
|
|
|
all)
|
|
|
|
|
|
(when (cdr last-data)
|
|
|
|
|
|
(setcdr last-data nil))
|
|
|
|
|
|
(setq all (copy-sequence comps))
|
|
|
|
|
|
(if (and sort-fn (> (length str) 0))
|
|
|
|
|
|
(funcall sort-fn all)
|
|
|
|
|
|
all)))))
|
|
|
|
|
|
;; Ensure circular objects are removed.
|
|
|
|
|
|
(complete-with-action t compsfn helm-pattern predicate))))
|
|
|
|
|
|
|
|
|
|
|
|
;; Yank text at point.
|
|
|
|
|
|
;;
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defun helm-yank-text-at-point (arg)
|
|
|
|
|
|
"Yank text at point in `helm-current-buffer' into minibuffer."
|
|
|
|
|
|
(interactive "p")
|
|
|
|
|
|
(with-helm-current-buffer
|
|
|
|
|
|
(let ((fwd-fn (or helm-yank-text-at-point-function #'forward-word))
|
|
|
|
|
|
diff)
|
|
|
|
|
|
;; Start to initial point if C-w have never been hit.
|
|
|
|
|
|
(unless helm-yank-point
|
|
|
|
|
|
(setq helm-yank-point (car helm-current-position)))
|
|
|
|
|
|
(save-excursion
|
|
|
|
|
|
(goto-char helm-yank-point)
|
|
|
|
|
|
(helm-set-pattern
|
|
|
|
|
|
(if (< arg 0)
|
|
|
|
|
|
(with-temp-buffer
|
|
|
|
|
|
(insert helm-pattern)
|
|
|
|
|
|
(let ((end (point-max)))
|
|
|
|
|
|
(goto-char end)
|
|
|
|
|
|
(funcall fwd-fn -1)
|
|
|
|
|
|
(setq diff (- end (point)))
|
|
|
|
|
|
(delete-region (point) end)
|
|
|
|
|
|
(buffer-string)))
|
|
|
|
|
|
(funcall fwd-fn arg)
|
|
|
|
|
|
(concat
|
|
|
|
|
|
;; Allow yankink beyond eol allow inserting e.g long
|
|
|
|
|
|
;; urls in mail buffers.
|
|
|
|
|
|
helm-pattern (replace-regexp-in-string
|
|
|
|
|
|
"\\`\n" ""
|
|
|
|
|
|
(buffer-substring-no-properties
|
|
|
|
|
|
helm-yank-point (point))))))
|
|
|
|
|
|
(setq helm-yank-point (if diff (- (point) diff) (point)))))))
|
|
|
|
|
|
(put 'helm-yank-text-at-point 'helm-only t)
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-undo-yank-text-at-point ()
|
|
|
|
|
|
"Undo last entry added by `helm-yank-text-at-point'."
|
|
|
|
|
|
(interactive)
|
|
|
|
|
|
(helm-yank-text-at-point -1))
|
|
|
|
|
|
(put 'helm-undo-yank-text-at-point 'helm-only t)
|
|
|
|
|
|
|
|
|
|
|
|
(defun helm-reset-yank-point ()
|
|
|
|
|
|
(setq helm-yank-point nil))
|
|
|
|
|
|
|
|
|
|
|
|
(add-hook 'helm-cleanup-hook 'helm-reset-yank-point)
|
|
|
|
|
|
(add-hook 'helm-after-initialize-hook 'helm-reset-yank-point)
|
|
|
|
|
|
|
|
|
|
|
|
;;; Ansi
|
|
|
|
|
|
;;
|
|
|
|
|
|
;;
|
|
|
|
|
|
(defvar helm--ansi-color-regexp
|
|
|
|
|
|
"\033\\[\\(K\\|[0-9;]*m\\)")
|
|
|
|
|
|
(defvar helm--ansi-color-drop-regexp
|
|
|
|
|
|
"\033\\[\\([ABCDsuK]\\|[12][JK]\\|=[0-9]+[hI]\\|[0-9;]*[Hf]\\)")
|
|
|
|
|
|
(defun helm--ansi-color-apply (string)
|
|
|
|
|
|
"A version of `ansi-color-apply' immune to upstream changes.
|
|
|
|
|
|
|
|
|
|
|
|
Similar to the emacs-24.5 version without support to
|
|
|
|
|
|
`ansi-color-context' which is buggy in Emacs.
|
|
|
|
|
|
|
|
|
|
|
|
Modify also `ansi-color-regexp' by using own variable
|
|
|
|
|
|
`helm--ansi-color-regexp' that matches whole STRING.
|
|
|
|
|
|
|
|
|
|
|
|
This is needed to provide compatibility for both emacs-25 and
|
|
|
|
|
|
emacs-24.5 as emacs-25 version of `ansi-color-apply' is partially
|
|
|
|
|
|
broken."
|
|
|
|
|
|
(require 'ansi-color)
|
|
|
|
|
|
(let ((start 0)
|
|
|
|
|
|
codes end escape-sequence
|
|
|
|
|
|
result colorized-substring)
|
|
|
|
|
|
;; Find the next escape sequence.
|
|
|
|
|
|
(while (setq end (string-match helm--ansi-color-regexp string start))
|
|
|
|
|
|
(setq escape-sequence (match-string 1 string))
|
|
|
|
|
|
;; Colorize the old block from start to end using old face.
|
|
|
|
|
|
(when codes
|
|
|
|
|
|
(put-text-property
|
|
|
|
|
|
start end 'font-lock-face (ansi-color--find-face codes) string))
|
|
|
|
|
|
(setq colorized-substring (substring string start end)
|
|
|
|
|
|
start (match-end 0))
|
|
|
|
|
|
;; Eliminate unrecognized ANSI sequences.
|
|
|
|
|
|
(while (string-match helm--ansi-color-drop-regexp colorized-substring)
|
|
|
|
|
|
(setq colorized-substring
|
|
|
|
|
|
(replace-match "" nil nil colorized-substring)))
|
|
|
|
|
|
(push colorized-substring result)
|
|
|
|
|
|
;; Create new face, by applying escape sequence parameters.
|
|
|
|
|
|
(setq codes (ansi-color-apply-sequence escape-sequence codes)))
|
|
|
|
|
|
;; If the rest of the string should have a face, put it there.
|
|
|
|
|
|
(when codes
|
|
|
|
|
|
(put-text-property
|
|
|
|
|
|
start (length string)
|
|
|
|
|
|
'font-lock-face (ansi-color--find-face codes) string))
|
|
|
|
|
|
;; Save the remainder of the string to the result.
|
|
|
|
|
|
(if (string-match "\033" string start)
|
|
|
|
|
|
(push (substring string start (match-beginning 0)) result)
|
|
|
|
|
|
(push (substring string start) result))
|
|
|
|
|
|
(apply 'concat (nreverse result))))
|
|
|
|
|
|
|
|
|
|
|
|
(when (< emacs-major-version 26)
|
|
|
|
|
|
(advice-add 'ansi-color-apply :override #'helm--ansi-color-apply))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
;;; Fontlock
|
|
|
|
|
|
(cl-dolist (mode '(emacs-lisp-mode lisp-interaction-mode))
|
|
|
|
|
|
(font-lock-add-keywords
|
|
|
|
|
|
mode
|
|
|
|
|
|
'(("(\\<\\(with-helm-after-update-hook\\)\\>" 1 font-lock-keyword-face)
|
|
|
|
|
|
("(\\<\\(with-helm-temp-hook\\)\\>" 1 font-lock-keyword-face)
|
|
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("(\\<\\(with-helm-window\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(with-helm-current-buffer\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(with-helm-buffer\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(with-helm-show-completion\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(with-helm-default-directory\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(with-helm-restore-variables\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(helm-multi-key-defun\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(helm-while-no-input\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(helm-aif\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(helm-awhile\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(helm-acond\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(helm-aand\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(helm-with-gensyms\\)\\>" 1 font-lock-keyword-face)
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("(\\<\\(helm-read-answer\\)\\>" 1 font-lock-keyword-face))))
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(provide 'helm-lib)
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;;; helm-lib ends here
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