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;;; guix-ui.el --- Common code for Guix package management interface -*- lexical-binding: t -*-
;; Copyright © 2014, 2015 Alex Kost <alezost@gmail.com>
;; This file is part of GNU Guix.
;; GNU Guix 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 of the License, or
;; (at your option) any later version.
;; GNU Guix 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file provides some general code for 'list'/'info' interfaces for
;; packages and generations.
;;; Code:
(require 'cl-lib)
(require 'guix-utils)
(defun guix-ui-list-describe (ids)
"Describe 'ui' entries with IDS (list of identifiers)."
(apply #'guix-get-show-entries
guix-profile 'info guix-entry-type 'id ids))
;;; Interface definers
(defmacro guix-ui-define-interface (buffer-type entry-type &rest args)
"Define BUFFER-TYPE interface for displaying ENTRY-TYPE entries.
Remaining arguments (ARGS) should have a form [KEYWORD VALUE] ...
In the following description TYPE means ENTRY-TYPE-BUFFER-TYPE.
Optional keywords:
- `:required' - default value of the generated
`guix-TYPE-required-params' variable.
The rest keyword arguments are passed to
`guix-BUFFER-TYPE-define-interface' macro."
(declare (indent 2))
(let* ((entry-type-str (symbol-name entry-type))
(buffer-type-str (symbol-name buffer-type))
(prefix (concat "guix-" entry-type-str "-"
buffer-type-str))
(required-var (intern (concat prefix "-required-params")))
(definer (intern (format "guix-%s-define-interface"
buffer-type-str))))
(guix-keyword-args-let args
((required-val :required ''(id)))
`(progn
(defvar ,required-var ,required-val
,(format "\
List of the required '%s' parameters for '%s' buffer.
These parameters are received along with the displayed parameters."
entry-type-str buffer-type-str))
(,definer ,entry-type
,@%foreign-args)))))
(defmacro guix-ui-info-define-interface (entry-type &rest args)
"Define 'info' interface for displaying ENTRY-TYPE entries.
See `guix-ui-define-interface'."
(declare (indent 1))
`(guix-ui-define-interface info ,entry-type
,@args))
(defmacro guix-ui-list-define-interface (entry-type &rest args)
"Define 'list' interface for displaying ENTRY-TYPE entries.
Remaining arguments (ARGS) should have a form [KEYWORD VALUE] ...
Optional keywords:
- `:describe-function' - default value of the generated
`guix-ENTRY-TYPE-list-describe-function' variable (if not
specified, use `guix-ui-list-describe').
The rest keyword arguments are passed to
`guix-ui-define-interface' macro."
(declare (indent 1))
(guix-keyword-args-let args
((describe-val :describe-function))
`(guix-ui-define-interface list ,entry-type
:describe-function ,(or describe-val ''guix-ui-list-describe)
,@args)))
(defvar guix-ui-font-lock-keywords
(eval-when-compile
`((,(rx "(" (group (or "guix-ui-define-interface"
"guix-ui-info-define-interface"
"guix-ui-list-define-interface"))
symbol-end)
. 1))))
(font-lock-add-keywords 'emacs-lisp-mode guix-ui-font-lock-keywords)
(provide 'guix-ui)
;;; guix-ui.el ends here
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