tvl-depot/configs/shared/emacs/.emacs.d/elpa/docker-20180820.1130/docker-utils.el

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;;; docker-utils.el --- Random utilities -*- lexical-binding: t -*-
;; Author: Philippe Vaucher <philippe.vaucher@gmail.com>
;; This file is NOT part of GNU Emacs.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
(require 'dash)
(require 'tramp)
(require 'tablist)
(require 'magit-popup)
(defun docker-utils-get-marked-items ()
"Get the marked items data from `tabulated-list-entries'."
(save-excursion
(goto-char (point-min))
(let ((selection ()))
(while (not (eobp))
(when (not (null (tablist-get-mark-state)))
(setq selection (-snoc selection (cons (tabulated-list-get-id) (tabulated-list-get-entry)))))
(forward-line))
selection)))
(defun docker-utils-get-marked-items-ids ()
"Get the id part of `docker-utils-get-marked-items'."
(-map #'car (docker-utils-get-marked-items)))
(defun docker-utils-setup-popup (val def)
(magit-with-pre-popup-buffer (docker-utils-select-if-empty))
(magit-popup-default-setup val def))
(defun docker-utils-select-if-empty (&optional arg)
"Select current row is selection is empty.
ARG is unused here, but is required by `add-function'."
(save-excursion
(when (null (docker-utils-get-marked-items))
(tablist-put-mark))))
(defun docker-utils-set-then-call (variable func)
"Return a lambda settings VARIABLE before calling FUNC."
(lambda ()
(interactive)
(set variable (funcall variable))
(call-interactively func)))
(defun docker-utils-pop-to-buffer (name)
"Like `pop-to-buffer', but suffix NAME with the host if on a remote host."
(pop-to-buffer
(if (file-remote-p default-directory)
(with-parsed-tramp-file-name default-directory nil (concat name " - " host))
name)))
(defmacro docker-utils-with-buffer (name &rest body)
"Wrapper around `with-current-buffer'.
Execute BODY in a buffer."
(declare (indent defun))
`(with-current-buffer (generate-new-buffer (format "* docker - %s *" ,name))
(setq buffer-read-only nil)
(erase-buffer)
,@body
(setq buffer-read-only t)
(goto-char (point-min))
(pop-to-buffer (current-buffer))))
(defun docker-utils-unit-multiplier (str)
"Return the correct multiplier for STR."
(expt 1024 (-elem-index str '("B" "KB" "MB" "GB" "TB" "PB" "EB"))))
(defun docker-utils-human-size-to-bytes (str)
"Parse STR and return size in bytes."
(let* ((parts (s-match "^\\([0-9\\.]+\\)\\([A-Z]+\\)?$" str))
(value (string-to-number (-second-item parts)))
(multiplier (docker-utils-unit-multiplier (-third-item parts))))
(* value multiplier)))
(provide 'docker-utils)
;;; docker-utils.el ends here