| commit | author | age | ||
| 5cb5f7 | 1 | ;;; ztree-util.el --- Auxiliary utilities for the ztree package -*- lexical-binding: t; -*- |
| C | 2 | |
| 3 | ;; Copyright (C) 2013-2016 Free Software Foundation, Inc. | |
| 4 | ;; | |
| 5 | ;; Author: Alexey Veretennikov <alexey.veretennikov@gmail.com> | |
| 6 | ;; | |
| 7 | ;; Created: 2013-11-11 | |
| 8 | ;; | |
| 9 | ;; Keywords: files tools | |
| 10 | ;; URL: https://github.com/fourier/ztree | |
| 11 | ;; Compatibility: GNU Emacs 24.x | |
| 12 | ;; | |
| 13 | ;; This file is part of GNU Emacs. | |
| 14 | ;; | |
| 15 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
| 16 | ;; it under the terms of the GNU General Public License as published by | |
| 17 | ;; the Free Software Foundation, either version 3 of the License, or | |
| 18 | ;; (at your option) any later version. | |
| 19 | ;; | |
| 20 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 21 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 22 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 23 | ;; GNU General Public License for more details. | |
| 24 | ;; | |
| 25 | ;; You should have received a copy of the GNU General Public License | |
| 26 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
| 27 | ;; | |
| 28 | ;;; Commentary: | |
| 29 | ||
| 30 | ;;; Code: | |
| 31 | (defun ztree-find (where which) | |
| 32 | "Find element of the list WHERE matching predicate WHICH." | |
| 33 | (catch 'found | |
| 34 | (dolist (elt where) | |
| 35 | (when (funcall which elt) | |
| 36 | (throw 'found elt))) | |
| 37 | nil)) | |
| 38 | ||
| 39 | (defun ztree-filter (condp lst) | |
| 40 | "Filter out elements not satisfying predicate CONDP in the list LST. | |
| 41 | Taken from http://www.emacswiki.org/emacs/ElispCookbook#toc39" | |
| 42 | (delq nil | |
| 43 | (mapcar (lambda (x) (and (funcall condp x) x)) lst))) | |
| 44 | ||
| 45 | ||
| 46 | (defun ztree-printable-string (string) | |
| 47 | "Strip newline character from file names, like `Icon\n'. | |
| 48 | Argument STRING string to process.'." | |
| 49 | (replace-regexp-in-string "\n" "" string)) | |
| 50 | ||
| 51 | ||
| 52 | (defun ztree-file-short-name (file) | |
| 53 | "By given FILE name return base file/directory name. | |
| 54 | Taken from http://lists.gnu.org/archive/html/emacs-devel/2011-01/msg01238.html" | |
| 55 | (let* ((dir (directory-file-name file)) | |
| 56 | (simple-dir (file-name-nondirectory dir))) | |
| 57 | ;; check if the root directory | |
| 58 | (if (string= "" simple-dir) | |
| 59 | dir | |
| 60 | (ztree-printable-string simple-dir)))) | |
| 61 | ||
| 62 | ||
| 63 | (defun ztree-car-atom (value) | |
| 64 | "Return VALUE if value is an atom, otherwise (car value) or nil. | |
| 65 | Used since `car-safe' returns nil for atoms" | |
| 66 | (if (atom value) value (car value))) | |
| 67 | ||
| 68 | ||
| 69 | (defun ztree-insert-with-face (text face) | |
| 70 | "Insert TEXT with the FACE provided." | |
| 71 | (let ((start (point))) | |
| 72 | (insert text) | |
| 73 | (put-text-property start (point) 'face face))) | |
| 74 | ||
| 75 | (defun ztree-untrampify-filename (file) | |
| 76 | "Return FILE as the local file name." | |
| 77 | (or (file-remote-p file 'localname) file)) | |
| 78 | ||
| 79 | (defun ztree-quotify-string (str) | |
| 80 | "Surround STR with quotes." | |
| 81 | (concat "\"" str "\"")) | |
| 82 | ||
| 83 | (defun ztree-same-host-p (file1 file2) | |
| 84 | "Return t if FILE1 and FILE2 are on the same host." | |
| 85 | (let ((file1-remote (file-remote-p file1)) | |
| 86 | (file2-remote (file-remote-p file2))) | |
| 87 | (string-equal file1-remote file2-remote))) | |
| 88 | ||
| 89 | ||
| 90 | (provide 'ztree-util) | |
| 91 | ||
| 92 | ;;; ztree-util.el ends here | |
