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;;; inflections.el ---
;; Copyright (C) 2006 Dmitry Galinsky <dima dot exe at gmail dot com>
;; Authors: Dmitry Galinsky <dima dot exe at gmail dot com>,
;; Howard Yeh <hayeah at gmail dot com>
;; Keywords: ruby rails languages oop
;; $URL: svn+ssh://rubyforge/var/svn/emacs-rails/trunk/inflections.el $
;; $Id: inflections.el 178 2007-04-12 20:58:56Z dimaexe $
;;; License
;; 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 2
;; 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, write to the Free Software
;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
;;; Code:
(defvar inflection-singulars nil)
(defvar inflection-plurals nil)
(defvar inflection-irregulars nil)
(defvar inflection-uncountables nil)
(defmacro define-inflectors (&rest specs)
(loop for (type . rest) in specs do
(case type
(:singular (push rest inflection-singulars))
(:plural (push rest inflection-plurals))
(:irregular (push rest inflection-irregulars))
(:uncountable (setf inflection-uncountables
(append rest inflection-uncountables))))))
(define-inflectors
(:plural "$" "s")
(:plural "s$" "s")
(:plural "\\(ax\\|test\\)is$" "\\1es")
(:plural "\\(octop\\|vir\\)us$" "\\1i")
(:plural "\\(alias\\|status\\)$" "\\1es")
(:plural "\\(bu\\)s$" "\\1ses")
(:plural "\\(buffal\\|tomat\\)o$" "\\1oes")
(:plural "\\([ti]\\)um$" "\\1a")
(:plural "sis$" "ses")
(:plural "\\(?:\\([^f]\\)fe\\|\\([lr]\\)f\\)$" "\\1\\2ves")
(:plural "\\(hive\\)$" "\\1s")
(:plural "\\([^aeiouy]\\|qu\\)y$" "\\1ies")
(:plural "\\(x\\|ch\\|ss\\|sh\\)$" "\\1es")
(:plural "\\(matr\\|vert\\|ind\\)ix\\|ex$" "\\1ices")
(:plural "\\([m\\|l]\\)ouse$" "\\1ice")
(:plural "^\\(ox\\)$" "\\1en")
(:plural "\\(quiz\\)$" "\\1zes")
(:singular "s$" "")
(:singular "\\(n\\)ews$" "\\1ews")
(:singular "\\([ti]\\)a$" "\\1um")
(:singular "\\(\\(a\\)naly\\|\\(b\\)a\\|\\(d\\)iagno\\|\\(p\\)arenthe\\|\\(p\\)rogno\\|\\(s\\)ynop\\|\\(t\\)he\\)ses$" "\\1\\2sis")
(:singular "\\(^analy\\)ses$" "\\1sis")
(:singular "\\([^f]\\)ves$" "\\1fe")
(:singular "\\(hive\\)s$" "\\1")
(:singular "\\(tive\\)s$" "\\1")
(:singular "\\([lr]\\)ves$" "\\1f")
(:singular "\\([^aeiouy]\\|qu\\)ies$" "\\1y")
(:singular "\\(s\\)eries$" "\\1eries")
(:singular "\\(m\\)ovies$" "\\1ovie")
(:singular "\\(x\\|ch\\|ss\\|sh\\)es$" "\\1")
(:singular "\\([m\\|l]\\)ice$" "\\1ouse")
(:singular "\\(bus\\)es$" "\\1")
(:singular "\\(o\\)es$" "\\1")
(:singular "\\(shoe\\)s$" "\\1")
(:singular "\\(cris\\|ax\\|test\\)es$" "\\1is")
(:singular "\\(octop\\|vir\\)i$" "\\1us")
(:singular "\\(alias\\|status\\)es$" "\\1")
(:singular "^\\(ox\\)en" "\\1")
(:singular "\\(vert\\|ind\\)ices$" "\\1ex")
(:singular "\\(matr\\)ices$" "\\1ix")
(:singular "\\(quiz\\)zes$" "\\1")
(:irregular "person" "people")
(:irregular "man" "men")
(:irregular "child" "children")
(:irregular "sex" "sexes")
(:irregular "move" "moves")
(:uncountable "equipment" "information" "rice" "money" "species" "series" "fish" "sheep"))
(defun singularize-string (str)
(when (stringp str)
(or (car (member str inflection-uncountables))
(caar (member* str inflection-irregulars :key 'cadr :test 'equal))
(loop for (from to) in inflection-singulars
for singular = (string=~ from str (sub to))
when singular do (return singular))
str)))
(defun pluralize-string (str)
(when (stringp str)
(or (car (member str inflection-uncountables))
(cadar (member* str inflection-irregulars :key 'car :test 'equal))
(loop for (from to) in inflection-plurals
for plurals = (string=~ from str (sub to))
when plurals do (return plurals))
str)))
(provide 'inflections)
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