68 lines
2.1 KiB
EmacsLisp
68 lines
2.1 KiB
EmacsLisp
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;;; ein-node.el --- Structure to hold data in ewoc node
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;; Copyright (C) 2012- Takafumi Arakaki
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;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
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;; This file is NOT part of GNU Emacs.
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;; ein-node.el 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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;; ein-node.el 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 ein-node.el. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'ewoc)
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(require 'ein-core)
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(cl-defstruct ein:$node
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path ; list of path
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data ; actual data
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class ; list
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)
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(defun ein:node-new (path data &optional class &rest args)
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(apply #'make-ein:$node :path path :data data :class class args))
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(defun ein:node-add-class (node &rest classes)
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(mapc (lambda (c) (add-to-list (ein:$node-class node) c)) classes))
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(defun ein:node-remove-class (node &rest classes)
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(let ((node-class (ein:$node-class node)))
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(mapc (lambda (c) (setq node-class (delq c node-class))) classes)
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(setf (ein:$node-class node) node-class)))
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(defun ein:node-has-class (node class)
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(memq class (ein:$node-class node)))
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(defun ein:node-filter (ewoc-node-list &rest args)
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(cl-loop for (key . class) in (ein:plist-iter args)
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do (setq ewoc-node-list
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(cl-loop for ewoc-node in ewoc-node-list
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for node = (ewoc-data ewoc-node)
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when (cl-case key
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(:is (ein:node-has-class node class))
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(:not (not (ein:node-has-class node class)))
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(t (error "%s is not supported" key)))
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collect ewoc-node)))
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ewoc-node-list)
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(provide 'ein-node)
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;;; ein-node.el ends here
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