831 lines
33 KiB
EmacsLisp
831 lines
33 KiB
EmacsLisp
;;; helm-utils.el --- Utilities Functions for helm. -*- lexical-binding: t -*-
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;; Copyright (C) 2012 ~ 2016 Thierry Volpiatto <thierry.volpiatto@gmail.com>
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Code:
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(require 'cl-lib)
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(require 'helm)
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(require 'helm-help)
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(require 'compile) ; Fixme: Is this needed?
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(require 'dired)
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(declare-function helm-find-files-1 "helm-files.el" (fname &optional preselect))
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(declare-function popup-tip "ext:popup")
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(defvar winner-boring-buffers)
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(defgroup helm-utils nil
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"Utilities routines for Helm."
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:group 'helm)
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(defcustom helm-su-or-sudo "sudo"
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"What command to use for root access."
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:type 'string
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:group 'helm-utils)
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(defcustom helm-default-kbsize 1024.0
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"Default Kbsize to use for showing files size.
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It is a float, usually 1024.0 but could be 1000.0 on some systems."
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:group 'helm-utils
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:type 'float)
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(define-obsolete-variable-alias
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'helm-highlight-number-lines-around-point
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'helm-highlight-matches-around-point-max-lines
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"20160119")
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(defcustom helm-highlight-matches-around-point-max-lines 15
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"Number of lines around point where matched items are highlighted."
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:group 'helm-utils
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:type 'integer)
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(defcustom helm-buffers-to-resize-on-pa nil
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"A list of helm buffers where the helm-window should be reduced on persistent actions."
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:group 'helm-utils
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:type '(repeat (choice string)))
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(defcustom helm-resize-on-pa-text-height 12
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"The size of the helm-window when resizing on persistent action."
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:group 'helm-utils
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:type 'integer)
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(defcustom helm-sources-using-help-echo-popup '("Moccur" "Imenu in all buffers"
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"Ack-Grep" "AG" "Gid" "Git-Grep")
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"Show the buffer name or the filename in a popup at selection."
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:group 'helm-utils
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:type '(repeat (choice string)))
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(defcustom helm-html-decode-entities-function #'helm-html-decode-entities-string
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"Function used to decode html entities in html bookmarks.
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Helm comes by default with `helm-html-decode-entities-string', if you need something
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more sophisticated you can use `w3m-decode-entities-string' if available.
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In emacs itself org-entities seems broken and `xml-substitute-numeric-entities'
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supports only numeric entities."
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:group 'helm-utils
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:type 'function)
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(defvar helm-goto-line-before-hook '(helm-save-current-pos-to-mark-ring)
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"Run before jumping to line.
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This hook run when jumping from `helm-goto-line', `helm-etags-default-action',
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and `helm-imenu-default-action'.
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This allow you to retrieve a previous position after using the different helm
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tools for searching (etags, grep, gid, (m)occur etc...).
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By default positions are added to `mark-ring' you can also add to register
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by using instead (or adding) `helm-save-pos-to-register-before-jump'.
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In this case last position is added to the register
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`helm-save-pos-before-jump-register'.")
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(defvar helm-save-pos-before-jump-register ?_
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"The register where `helm-save-pos-to-register-before-jump' save position.")
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(defconst helm-html-entities-alist
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'((""" . 34) ;; "
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(">" . 62) ;; >
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("<" . 60) ;; <
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("&" . 38) ;; &
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("€" . 8364) ;; €
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("Ÿ" . 89) ;; Y
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("¡" . 161) ;; ¡
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("¢" . 162) ;; ¢
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("£" . 163) ;; £
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("¤" . 164) ;; ¤
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("¥" . 165) ;; ¥
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("¦" . 166) ;; ¦
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("§" . 167) ;; §
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("¨" . 32) ;; SPC
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("©" . 169) ;; ©
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("ª" . 97) ;; a
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("«" . 171) ;; «
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("¬" . 172) ;; ¬
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("&masr;" . 174) ;; ®
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("°" . 176) ;; °
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("±" . 177) ;; ±
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("²" . 50) ;; 2
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("³" . 51) ;; 3
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("´" . 39) ;; '
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("µ" . 956) ;; μ
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("¶" . 182) ;; ¶
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("·" . 183) ;; ·
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("¸" . 32) ;; SPC
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("¹" . 49) ;; 1
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("º" . 111) ;; o
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("»" . 187) ;; »
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("¼" . 49) ;; 1
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("½" . 49) ;; 1
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("¾" . 51) ;; 3
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("¿" . 191) ;; ¿
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("À" . 192) ;; À
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("Á" . 193) ;; Á
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("Â" . 194) ;; Â
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("Ã" . 195) ;; Ã
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("Ä" . 196) ;; Ä
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("Å" . 197) ;; Å
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("&Aelig" . 198) ;; Æ
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("Ç" . 199) ;; Ç
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("È" . 200) ;; È
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("É" . 201) ;; É
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("Ê" . 202) ;; Ê
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("Ë" . 203) ;; Ë
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("Ì" . 204) ;; Ì
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("Í" . 205) ;; Í
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("Î" . 206) ;; Î
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("Ï" . 207) ;; Ï
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("ð" . 208) ;; Ð
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("Ñ" . 209) ;; Ñ
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("Ò" . 210) ;; Ò
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("Ó" . 211) ;; Ó
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("Ô" . 212) ;; Ô
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("Õ" . 213) ;; Õ
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("Ö" . 214) ;; Ö
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("×" . 215) ;; ×
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("Ø" . 216) ;; Ø
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("Ù" . 217) ;; Ù
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("Ú" . 218) ;; Ú
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("Û" . 219) ;; Û
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("Ü" . 220) ;; Ü
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("Ý" . 221) ;; Ý
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("þ" . 222) ;; Þ
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("ß" . 223) ;; ß
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("à" . 224) ;; à
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("á" . 225) ;; á
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("â" . 226) ;; â
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("ã" . 227) ;; ã
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("ä" . 228) ;; ä
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("å" . 229) ;; å
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("æ" . 230) ;; æ
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("ç" . 231) ;; ç
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("è" . 232) ;; è
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("é" . 233) ;; é
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("ê" . 234) ;; ê
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("ë" . 235) ;; ë
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("ì" . 236) ;; ì
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("í" . 237) ;; í
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("î" . 238) ;; î
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("ï" . 239) ;; ï
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("ð" . 240) ;; ð
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("ñ" . 241) ;; ñ
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("ò" . 242) ;; ò
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("ó" . 243) ;; ó
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("ô" . 244) ;; ô
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("õ" . 245) ;; õ
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("ö" . 246) ;; ö
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("÷" . 247) ;; ÷
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("ø" . 248) ;; ø
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("ù" . 249) ;; ù
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("ú" . 250) ;; ú
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("û" . 251) ;; û
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("ü" . 252) ;; ü
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("ý" . 253) ;; ý
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("þ" . 254) ;; þ
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("ÿ" . 255) ;; ÿ
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("®" . 174) ;; ®
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("­" . 173)) ;;
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"Table of html character entities and values.")
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;;; Faces.
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;;
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(defface helm-selection-line
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'((t (:inherit highlight :distant-foreground "black")))
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"Face used in the `helm-current-buffer' when jumping to candidate."
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:group 'helm-faces)
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(defface helm-match-item
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'((t (:inherit isearch)))
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"Face used to highlight item matched in a selected line."
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:group 'helm-faces)
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;;; Utils functions
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;;
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;;
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(defun helm-switch-to-buffers (buffer-or-name &optional other-window)
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"Switch to buffer BUFFER-OR-NAME.
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If more than one buffer marked switch to these buffers in separate windows.
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If OTHER-WINDOW is specified keep current-buffer and switch to others buffers
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in separate windows."
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(let* ((mkds (helm-marked-candidates))
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(size (/ (window-height) (length mkds))))
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(or (<= window-min-height size)
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(error "Too many buffers to visit simultaneously."))
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(helm-aif (cdr mkds)
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(progn
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(if other-window
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(switch-to-buffer-other-window (car mkds))
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(switch-to-buffer (car mkds)))
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(save-selected-window
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(cl-loop for b in it
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do (progn
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(select-window (split-window))
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(switch-to-buffer b)))))
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(if other-window
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(switch-to-buffer-other-window buffer-or-name)
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(switch-to-buffer buffer-or-name)))))
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(defun helm-switch-to-buffers-other-window (buffer-or-name)
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"switch to buffer BUFFER-OR-NAME in other window.
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See `helm-switch-to-buffers' for switching to marked buffers."
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(helm-switch-to-buffers buffer-or-name t))
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(cl-defun helm-current-buffer-narrowed-p (&optional
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(buffer helm-current-buffer))
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"Check if BUFFER is narrowed.
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Default is `helm-current-buffer'."
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(with-current-buffer buffer
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(let ((beg (point-min))
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(end (point-max))
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(total (buffer-size)))
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(or (/= beg 1) (/= end (1+ total))))))
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(defun helm-goto-char (loc)
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"Go to char, revealing if necessary."
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(goto-char loc)
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(when (or (eq major-mode 'org-mode)
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(and (boundp 'outline-minor-mode)
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outline-minor-mode))
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(require 'org) ; On some old Emacs versions org may not be loaded.
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(org-reveal)))
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(defun helm-goto-line (lineno &optional noanim)
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"Goto LINENO opening only outline headline if needed.
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Animation is used unless NOANIM is non--nil."
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(helm-log-run-hook 'helm-goto-line-before-hook)
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(helm-match-line-cleanup)
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(with-helm-current-buffer
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(unless helm-yank-point (setq helm-yank-point (point))))
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(goto-char (point-min))
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(helm-goto-char (point-at-bol lineno))
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(unless noanim
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(helm-highlight-current-line)))
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(defun helm-save-pos-to-register-before-jump ()
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"Save current buffer position to `helm-save-pos-before-jump-register'.
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To use this add it to `helm-goto-line-before-hook'."
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(with-helm-current-buffer
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(unless helm-in-persistent-action
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(point-to-register helm-save-pos-before-jump-register))))
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(defun helm-save-current-pos-to-mark-ring ()
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"Save current buffer position to mark ring.
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To use this add it to `helm-goto-line-before-hook'."
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(with-helm-current-buffer
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(unless helm-in-persistent-action
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(set-marker (mark-marker) (point))
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(push-mark (point) 'nomsg))))
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(defun helm-show-all-in-this-source-only (arg)
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"Show only current source of this helm session with all its candidates.
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With a numeric prefix arg show only the ARG number of candidates."
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(interactive "p")
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(with-helm-alive-p
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(with-helm-window
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(with-helm-default-directory (helm-default-directory)
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(let ((helm-candidate-number-limit (and (> arg 1) arg)))
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(helm-set-source-filter
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(list (assoc-default 'name (helm-get-current-source)))))))))
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(put 'helm-show-all-in-this-source-only 'helm-only t)
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(defun helm-display-all-sources ()
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"Display all sources previously hidden by `helm-set-source-filter'."
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(interactive)
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(with-helm-alive-p
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(helm-set-source-filter nil)))
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(put 'helm-display-all-sources 'helm-only t)
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(defun helm-displaying-source-names ()
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"Return the list of sources name for this helm session."
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(with-current-buffer helm-buffer
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(goto-char (point-min))
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(cl-loop with pos
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while (setq pos (next-single-property-change (point) 'helm-header))
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do (goto-char pos)
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collect (buffer-substring-no-properties (point-at-bol)(point-at-eol))
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do (forward-line 1))))
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(defun helm-handle-winner-boring-buffers ()
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"Add `helm-buffer' to `winner-boring-buffers' when quitting/exiting helm.
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Add this function to `helm-cleanup-hook' when you don't want to see helm buffers
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after running winner-undo/redo."
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(require 'winner)
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(cl-pushnew helm-buffer winner-boring-buffers :test 'equal))
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(add-hook 'helm-cleanup-hook #'helm-handle-winner-boring-buffers)
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(defun helm-quit-and-find-file ()
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"Drop into `helm-find-files' from `helm'.
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If current selection is a buffer or a file, `helm-find-files'
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from its directory."
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(interactive)
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(with-helm-alive-p
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(require 'helm-grep)
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(helm-run-after-exit
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(lambda (f)
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;; Ensure specifics `helm-execute-action-at-once-if-one'
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;; fns don't run here.
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(let (helm-execute-action-at-once-if-one)
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(if (file-exists-p f)
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(helm-find-files-1 (file-name-directory f)
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(concat
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"^"
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(regexp-quote
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(if helm-ff-transformer-show-only-basename
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(helm-basename f) f))))
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(helm-find-files-1 f))))
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(let* ((sel (helm-get-selection))
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(marker (if (consp sel) (markerp (cdr sel))))
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(grep-line (and (stringp sel)
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(helm-grep-split-line sel)))
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(bmk-name (and (stringp sel)
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(not grep-line)
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(replace-regexp-in-string "\\`\\*" "" sel)))
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(bmk (and bmk-name (assoc bmk-name bookmark-alist)))
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(buf (helm-aif (and (bufferp sel) (get-buffer sel))
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(buffer-name it)))
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(default-preselection (or (buffer-file-name helm-current-buffer)
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default-directory)))
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(cond
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;; Buffer.
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(buf (or (buffer-file-name sel)
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(car (rassoc buf dired-buffers))
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(and (with-current-buffer buf
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(eq major-mode 'org-agenda-mode))
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org-directory
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(expand-file-name org-directory))
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(with-current-buffer buf default-directory)))
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;; imenu (marker).
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(marker
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(or (buffer-file-name (marker-buffer (cdr sel)))
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default-preselection))
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;; Bookmark.
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(bmk (helm-aif (bookmark-get-filename bmk)
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(if (and ffap-url-regexp
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(string-match ffap-url-regexp it))
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it (expand-file-name it))
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default-directory))
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((and (stringp sel) (or (file-remote-p sel)
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(file-exists-p sel)))
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(expand-file-name sel))
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;; Grep.
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((and grep-line (file-exists-p (car grep-line)))
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(expand-file-name (car grep-line)))
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;; Occur.
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(grep-line
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(with-current-buffer (get-buffer (car grep-line))
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(or (buffer-file-name) default-directory)))
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;; Url.
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((and (stringp sel) ffap-url-regexp (string-match ffap-url-regexp sel)) sel)
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;; Default.
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(t default-preselection))))))
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(put 'helm-quit-and-find-file 'helm-only t)
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(defun helm-generic-sort-fn (s1 s2)
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"Sort predicate function for helm candidates.
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Args S1 and S2 can be single or \(display . real\) candidates,
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that is sorting is done against real value of candidate."
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(let* ((qpattern (regexp-quote helm-pattern))
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(reg1 (concat "\\_<" qpattern "\\_>"))
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(reg2 (concat "\\_<" qpattern))
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(reg3 helm-pattern)
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(split (split-string helm-pattern))
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(str1 (if (consp s1) (cdr s1) s1))
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(str2 (if (consp s2) (cdr s2) s2))
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(score (lambda (str r1 r2 r3 lst)
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(+ (if (string-match (concat "\\`" qpattern) str) 1 0)
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(cond ((string-match r1 str) 5)
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((and (string-match " " qpattern)
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(string-match
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(concat "\\_<" (regexp-quote (car lst))) str)
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(cl-loop for r in (cdr lst)
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always (string-match r str))) 4)
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((and (string-match " " qpattern)
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(cl-loop for r in lst
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always (string-match r str))) 3)
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((string-match r2 str) 2)
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((string-match r3 str) 1)
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(t 0)))))
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(sc1 (funcall score str1 reg1 reg2 reg3 split))
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(sc2 (funcall score str2 reg1 reg2 reg3 split)))
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(cond ((or (zerop (string-width qpattern))
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(and (zerop sc1) (zerop sc2)))
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(string-lessp str1 str2))
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((= sc1 sc2)
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(< (length str1) (length str2)))
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(t (> sc1 sc2)))))
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(defun helm-ff-get-host-from-tramp-invalid-fname (fname)
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"Extract hostname from an incomplete tramp file name.
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Return nil on valid file name remote or not."
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(let* ((str (helm-basename fname))
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(split (split-string str ":" t))
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(meth (car (member (car split)
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(helm-ff-get-tramp-methods)))))
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(when meth (car (last split)))))
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(cl-defun helm-file-human-size (size &optional (kbsize helm-default-kbsize))
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"Return a string showing SIZE of a file in human readable form.
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SIZE can be an integer or a float depending it's value.
|
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`file-attributes' will take care of that to avoid overflow error.
|
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KBSIZE is a floating point number, defaulting to `helm-default-kbsize'."
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(cl-loop with result = (cons "B" size)
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for i in '("k" "M" "G" "T" "P" "E" "Z" "Y")
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while (>= (cdr result) kbsize)
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do (setq result (cons i (/ (cdr result) kbsize)))
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finally return
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(pcase (car result)
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(`"B" (format "%s" size))
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(suffix (format "%.1f%s" (cdr result) suffix)))))
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(cl-defun helm-file-attributes
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(file &key type links uid gid access-time modif-time
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status size mode gid-change inode device-num dired human-size
|
||
mode-type mode-owner mode-group mode-other (string t))
|
||
"Return `file-attributes' elements of FILE separately according to key value.
|
||
Availables keys are:
|
||
- TYPE: Same as nth 0 `files-attributes' if STRING is nil
|
||
otherwise return either symlink, directory or file (default).
|
||
- LINKS: See nth 1 `files-attributes'.
|
||
- UID: See nth 2 `files-attributes'.
|
||
- GID: See nth 3 `files-attributes'.
|
||
- ACCESS-TIME: See nth 4 `files-attributes', however format time
|
||
when STRING is non--nil (the default).
|
||
- MODIF-TIME: See nth 5 `files-attributes', same as above.
|
||
- STATUS: See nth 6 `files-attributes', same as above.
|
||
- SIZE: See nth 7 `files-attributes'.
|
||
- MODE: See nth 8 `files-attributes'.
|
||
- GID-CHANGE: See nth 9 `files-attributes'.
|
||
- INODE: See nth 10 `files-attributes'.
|
||
- DEVICE-NUM: See nth 11 `files-attributes'.
|
||
- DIRED: A line similar to what 'ls -l' return.
|
||
- HUMAN-SIZE: The size in human form, see `helm-file-human-size'.
|
||
- MODE-TYPE, mode-owner,mode-group, mode-other: Split what
|
||
nth 7 `files-attributes' return in four categories.
|
||
- STRING: When non--nil (default) `helm-file-attributes' return
|
||
more friendly values.
|
||
If you want the same behavior as `files-attributes' ,
|
||
\(but with return values in proplist\) use a nil value for STRING.
|
||
However when STRING is non--nil, time and type value are different from what
|
||
you have in `file-attributes'."
|
||
(let* ((all (cl-destructuring-bind
|
||
(type links uid gid access-time modif-time
|
||
status size mode gid-change inode device-num)
|
||
(file-attributes file string)
|
||
(list :type (if string
|
||
(cond ((stringp type) "symlink") ; fname
|
||
(type "directory") ; t
|
||
(t "file")) ; nil
|
||
type)
|
||
:links links
|
||
:uid uid
|
||
:gid gid
|
||
:access-time (if string
|
||
(format-time-string
|
||
"%Y-%m-%d %R" access-time)
|
||
access-time)
|
||
:modif-time (if string
|
||
(format-time-string
|
||
"%Y-%m-%d %R" modif-time)
|
||
modif-time)
|
||
:status (if string
|
||
(format-time-string
|
||
"%Y-%m-%d %R" status)
|
||
status)
|
||
:size size
|
||
:mode mode
|
||
:gid-change gid-change
|
||
:inode inode
|
||
:device-num device-num)))
|
||
(modes (helm-split-mode-file-attributes (cl-getf all :mode))))
|
||
(cond (type (cl-getf all :type))
|
||
(links (cl-getf all :links))
|
||
(uid (cl-getf all :uid))
|
||
(gid (cl-getf all :gid))
|
||
(access-time (cl-getf all :access-time))
|
||
(modif-time (cl-getf all :modif-time))
|
||
(status (cl-getf all :status))
|
||
(size (cl-getf all :size))
|
||
(mode (cl-getf all :mode))
|
||
(gid-change (cl-getf all :gid-change))
|
||
(inode (cl-getf all :inode))
|
||
(device-num (cl-getf all :device-num))
|
||
(dired (concat
|
||
(helm-split-mode-file-attributes
|
||
(cl-getf all :mode) t) " "
|
||
(number-to-string (cl-getf all :links)) " "
|
||
(cl-getf all :uid) ":"
|
||
(cl-getf all :gid) " "
|
||
(if human-size
|
||
(helm-file-human-size (cl-getf all :size))
|
||
(int-to-string (cl-getf all :size))) " "
|
||
(cl-getf all :modif-time)))
|
||
(human-size (helm-file-human-size (cl-getf all :size)))
|
||
(mode-type (cl-getf modes :mode-type))
|
||
(mode-owner (cl-getf modes :user))
|
||
(mode-group (cl-getf modes :group))
|
||
(mode-other (cl-getf modes :other))
|
||
(t (append all modes)))))
|
||
|
||
(defun helm-split-mode-file-attributes (str &optional string)
|
||
"Split mode file attributes STR into a proplist.
|
||
If STRING is non--nil return instead a space separated string."
|
||
(cl-loop with type = (substring str 0 1)
|
||
with cdr = (substring str 1)
|
||
for i across cdr
|
||
for count from 1
|
||
if (<= count 3)
|
||
concat (string i) into user
|
||
if (and (> count 3) (<= count 6))
|
||
concat (string i) into group
|
||
if (and (> count 6) (<= count 9))
|
||
concat (string i) into other
|
||
finally return
|
||
(if string
|
||
(mapconcat 'identity (list type user group other) " ")
|
||
(list :mode-type type :user user :group group :other other))))
|
||
|
||
(defmacro with-helm-display-marked-candidates (buffer-or-name candidates &rest body)
|
||
(declare (indent 0) (debug t))
|
||
(helm-with-gensyms (buffer window)
|
||
`(let* ((,buffer (temp-buffer-window-setup ,buffer-or-name))
|
||
(helm-always-two-windows t)
|
||
(helm-split-window-default-side
|
||
(if (eq helm-split-window-default-side 'same)
|
||
'below helm-split-window-default-side))
|
||
helm-split-window-in-side-p
|
||
helm-reuse-last-window-split-state
|
||
,window)
|
||
(with-current-buffer ,buffer
|
||
(dired-format-columns-of-files ,candidates))
|
||
(unwind-protect
|
||
(with-selected-window
|
||
(setq ,window (temp-buffer-window-show
|
||
,buffer
|
||
'(display-buffer-below-selected
|
||
(window-height . fit-window-to-buffer))))
|
||
(progn ,@body))
|
||
(quit-window 'kill ,window)))))
|
||
|
||
;;; Persistent Action Helpers
|
||
;;
|
||
;;
|
||
;; Internal
|
||
(defvar helm-match-line-overlay nil)
|
||
(defvar helm--match-item-overlays nil)
|
||
|
||
(defun helm-highlight-current-line (&optional start end buf face)
|
||
"Highlight and underline current position"
|
||
(let* ((start (or start (line-beginning-position)))
|
||
(end (or end (1+ (line-end-position))))
|
||
(start-match (if (or (null helm-highlight-matches-around-point-max-lines)
|
||
(zerop helm-highlight-matches-around-point-max-lines))
|
||
start
|
||
(save-excursion
|
||
(forward-line
|
||
(- helm-highlight-matches-around-point-max-lines))
|
||
(point-at-bol))))
|
||
(end-match (if (or (null helm-highlight-matches-around-point-max-lines)
|
||
(zerop helm-highlight-matches-around-point-max-lines))
|
||
end
|
||
(save-excursion
|
||
(forward-line
|
||
helm-highlight-matches-around-point-max-lines)
|
||
(point-at-eol))))
|
||
(args (list start end buf)))
|
||
(if (not helm-match-line-overlay)
|
||
(setq helm-match-line-overlay (apply 'make-overlay args))
|
||
(apply 'move-overlay helm-match-line-overlay args))
|
||
(overlay-put helm-match-line-overlay
|
||
'face (or face 'helm-selection-line))
|
||
(catch 'empty-line
|
||
(cl-loop with ov
|
||
for r in (helm-remove-if-match
|
||
"\\`!" (split-string
|
||
;; Needed for highlighting AG matches.
|
||
(if (with-helm-buffer
|
||
(assq 'pcre (helm-get-current-source)))
|
||
(helm--translate-pcre-to-elisp helm-input)
|
||
helm-input)))
|
||
do (save-excursion
|
||
(goto-char start-match)
|
||
(while (condition-case _err
|
||
(if helm-migemo-mode
|
||
(helm-mm-migemo-forward r end-match t)
|
||
(re-search-forward r end-match t))
|
||
(invalid-regexp nil))
|
||
(let ((s (match-beginning 0))
|
||
(e (match-end 0)))
|
||
(if (= s e)
|
||
(throw 'empty-line nil)
|
||
(push (setq ov (make-overlay s e))
|
||
helm--match-item-overlays)
|
||
(overlay-put ov 'face 'helm-match-item)
|
||
(overlay-put ov 'priority 1)))))))
|
||
(recenter)))
|
||
|
||
(defun helm--translate-pcre-to-elisp (regexp)
|
||
"Should translate pcre REGEXP to elisp regexp.
|
||
Assume regexp is a pcre based regexp."
|
||
(with-temp-buffer
|
||
(insert " " regexp " ")
|
||
(goto-char (point-min))
|
||
(save-excursion
|
||
;; match (){}| unquoted
|
||
(helm-awhile (and (re-search-forward "\\([(){}|]\\)" nil t)
|
||
(match-string 1))
|
||
(let ((pos (match-beginning 1)))
|
||
(if (eql (char-before pos) ?\\)
|
||
(delete-region pos (1- pos))
|
||
(replace-match (concat "\\" it) t t nil 1)))))
|
||
;; match \s or \S
|
||
(helm-awhile (and (re-search-forward "\\S\\?\\(\\s\\[sS]\\)[^-]" nil t)
|
||
(match-string 1))
|
||
(replace-match (concat it "-") t t nil 1))
|
||
(buffer-substring (1+ (point-min)) (1- (point-max)))))
|
||
|
||
(defun helm-match-line-cleanup ()
|
||
(when helm-match-line-overlay
|
||
(delete-overlay helm-match-line-overlay)
|
||
(setq helm-match-line-overlay nil))
|
||
(when helm--match-item-overlays
|
||
(mapc 'delete-overlay helm--match-item-overlays)))
|
||
|
||
(defun helm-match-line-update ()
|
||
(when helm-match-line-overlay
|
||
(delete-overlay helm-match-line-overlay)
|
||
(helm-highlight-current-line)))
|
||
|
||
(defun helm-persistent-autoresize-hook ()
|
||
(when (and helm-buffers-to-resize-on-pa
|
||
(member helm-buffer helm-buffers-to-resize-on-pa)
|
||
(eq helm-split-window-state 'vertical))
|
||
(set-window-text-height (helm-window) helm-resize-on-pa-text-height)))
|
||
|
||
(defun helm-match-line-cleanup-pulse ()
|
||
(run-with-timer 0.3 nil #'helm-match-line-cleanup))
|
||
|
||
(add-hook 'helm-after-persistent-action-hook 'helm-persistent-autoresize-hook)
|
||
(add-hook 'helm-cleanup-hook 'helm-match-line-cleanup)
|
||
(add-hook 'helm-after-action-hook 'helm-match-line-cleanup-pulse)
|
||
(add-hook 'helm-after-persistent-action-hook 'helm-match-line-update)
|
||
|
||
;;; Popup buffer-name or filename in grep/moccur/imenu-all.
|
||
;;
|
||
(defvar helm--show-help-echo-timer nil)
|
||
|
||
(defun helm-cancel-help-echo-timer ()
|
||
(when helm--show-help-echo-timer
|
||
(cancel-timer helm--show-help-echo-timer)
|
||
(setq helm--show-help-echo-timer nil)))
|
||
|
||
(defun helm-show-help-echo ()
|
||
(when helm--show-help-echo-timer
|
||
(cancel-timer helm--show-help-echo-timer)
|
||
(setq helm--show-help-echo-timer nil))
|
||
(when (and helm-alive-p
|
||
(member (assoc-default 'name (helm-get-current-source))
|
||
helm-sources-using-help-echo-popup))
|
||
(setq helm--show-help-echo-timer
|
||
(run-with-timer
|
||
1 nil
|
||
(lambda ()
|
||
(save-selected-window
|
||
(with-helm-window
|
||
(helm-aif (get-text-property (point-at-bol) 'help-echo)
|
||
(popup-tip (concat " " (abbreviate-file-name it))
|
||
:around nil
|
||
:point (save-excursion
|
||
(end-of-visual-line) (point)))))))))))
|
||
|
||
;;;###autoload
|
||
(define-minor-mode helm-popup-tip-mode
|
||
"Show help-echo informations in a popup tip at end of line."
|
||
:global t
|
||
(require 'popup)
|
||
(if helm-popup-tip-mode
|
||
(progn
|
||
(add-hook 'helm-after-update-hook 'helm-show-help-echo) ; Needed for async sources.
|
||
(add-hook 'helm-move-selection-after-hook 'helm-show-help-echo)
|
||
(add-hook 'helm-cleanup-hook 'helm-cancel-help-echo-timer))
|
||
(remove-hook 'helm-after-update-hook 'helm-show-help-echo)
|
||
(remove-hook 'helm-move-selection-after-hook 'helm-show-help-echo)
|
||
(remove-hook 'helm-cleanup-hook 'helm-cancel-help-echo-timer)))
|
||
|
||
(defun helm-open-file-with-default-tool (file)
|
||
"Open FILE with the default tool on this platform."
|
||
(let (process-connection-type)
|
||
(if (eq system-type 'windows-nt)
|
||
(helm-w32-shell-execute-open-file file)
|
||
(start-process "helm-open-file-with-default-tool"
|
||
nil
|
||
(cond ((eq system-type 'gnu/linux)
|
||
"xdg-open")
|
||
((or (eq system-type 'darwin) ;; Mac OS X
|
||
(eq system-type 'macos)) ;; Mac OS 9
|
||
"open"))
|
||
file))))
|
||
|
||
(defun helm-open-dired (file)
|
||
"Opens a dired buffer in FILE's directory. If FILE is a
|
||
directory, open this directory."
|
||
(if (file-directory-p file)
|
||
(dired file)
|
||
(dired (file-name-directory file))
|
||
(dired-goto-file file)))
|
||
|
||
(defun helm-require-or-error (feature function)
|
||
(or (require feature nil t)
|
||
(error "Need %s to use `%s'." feature function)))
|
||
|
||
(defun helm-find-file-as-root (candidate)
|
||
(let* ((buf (helm-basename candidate))
|
||
(host (file-remote-p candidate 'host))
|
||
(remote-path (format "/%s:%s:%s"
|
||
helm-su-or-sudo
|
||
(or host "")
|
||
(expand-file-name
|
||
(if host
|
||
(file-remote-p candidate 'localname)
|
||
candidate))))
|
||
non-essential)
|
||
(if (buffer-live-p (get-buffer buf))
|
||
(progn
|
||
(set-buffer buf)
|
||
(find-alternate-file remote-path))
|
||
(find-file remote-path))))
|
||
|
||
(defun helm-find-many-files (_ignore)
|
||
(let ((helm--reading-passwd-or-string t))
|
||
(mapc 'find-file (helm-marked-candidates))))
|
||
|
||
(defun helm-read-repeat-string (prompt &optional count)
|
||
"Prompt as many time PROMPT is not empty.
|
||
If COUNT is non--nil add a number after each prompt."
|
||
(cl-loop with elm
|
||
while (not (string= elm ""))
|
||
for n from 1
|
||
do (when count
|
||
(setq prompt (concat prompt (int-to-string n) ": ")))
|
||
collect (setq elm (helm-read-string prompt)) into lis
|
||
finally return (remove "" lis)))
|
||
|
||
(defun helm-html-bookmarks-to-alist (file url-regexp bmk-regexp)
|
||
"Parse html bookmark FILE and return an alist with (title . url) as elements."
|
||
(let (bookmarks-alist url title)
|
||
(with-temp-buffer
|
||
(insert-file-contents file)
|
||
(goto-char (point-min))
|
||
(while (re-search-forward "href=\\|^ *<DT><A HREF=" nil t)
|
||
(forward-line 0)
|
||
(when (re-search-forward url-regexp nil t)
|
||
(setq url (match-string 0)))
|
||
(when (re-search-forward bmk-regexp nil t)
|
||
(setq title (funcall helm-html-decode-entities-function
|
||
(match-string 1))))
|
||
(push (cons title url) bookmarks-alist)
|
||
(forward-line)))
|
||
(nreverse bookmarks-alist)))
|
||
|
||
(defun helm-html-entity-to-string (entity)
|
||
"Replace an html ENTITY by its string value.
|
||
When unable to decode ENTITY returns nil."
|
||
(helm-aif (assoc entity helm-html-entities-alist)
|
||
(string (cdr it))
|
||
(save-match-data
|
||
(when (string-match "[0-9]+" entity)
|
||
(string (string-to-number (match-string 0 entity)))))))
|
||
|
||
(defun helm-html-decode-entities-string (str)
|
||
"Decode entities in the string STR."
|
||
(save-match-data
|
||
(with-temp-buffer
|
||
(insert str)
|
||
(goto-char (point-min))
|
||
(while (re-search-forward "&#?\\([^;]*\\);" nil t)
|
||
(helm-aif (helm-html-entity-to-string (match-string 0))
|
||
(replace-match it)))
|
||
(buffer-string))))
|
||
|
||
(provide 'helm-utils)
|
||
|
||
;; Local Variables:
|
||
;; byte-compile-warnings: (not cl-functions obsolete)
|
||
;; coding: utf-8
|
||
;; indent-tabs-mode: nil
|
||
;; End:
|
||
|
||
;;; helm-utils.el ends here
|