WIP: Add org-ql-sort.el

org-ql-sort.el

@@ -0,0 +1,56 @@
+;;; org-ql-sort.el --- Library for sorting org-elements  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2022  Adam Porter
+
+;; Author: Adam Porter <adam@alphapapa.net>
+;; Keywords: 
+
+;; 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 of the License, 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; This library provides tools for sorting `org-element' items.
+
+;;; Code:
+
+;;;; Requirements
+
+(require 'cl-lib)
+(require 'map)
+
+(require 'org-element)
+
+;;;; Variables
+
+(defvar org-ql-sorters nil
+  "Alist of sort functions defined with `org-ql-sort-define-sorter'.
+Maps sorters' short names to function symbols.")
+
+;;;; Macros
+
+(defmacro org-ql-sort-define-sorter (name docstring &rest body)
+  "FIXME: Docstring."
+  (let ((fn-symbol (intern (concat "org-ql-sort--sort-by-" (symbol-name name)))))
+    (map-put org-ql-sorters name fn-symbol)
+    `(defun ,fn-symbol (a b)
+       ,docstring
+       ,@body)))
+
+;;;; Functions
+
+
+
+
+(provide 'org-ql-sort)
+;;; org-ql-sort.el ends here