From d2484499ac03d5eeae7e5d15c0d7a1a12b693c92 Mon Sep 17 00:00:00 2001 From: Eshel Yaron Date: Wed, 23 Jul 2025 20:20:49 +0200 Subject: [PATCH] Drop soundex.el --- lisp/soundex.el | 65 -------------------------------------- test/lisp/soundex-tests.el | 43 ------------------------- 2 files changed, 108 deletions(-) delete mode 100644 lisp/soundex.el delete mode 100644 test/lisp/soundex-tests.el diff --git a/lisp/soundex.el b/lisp/soundex.el deleted file mode 100644 index 6efc7f1f40f..00000000000 --- a/lisp/soundex.el +++ /dev/null @@ -1,65 +0,0 @@ -;;; soundex.el --- implement Soundex algorithm -*- lexical-binding: t -*- - -;; Copyright (C) 1993, 2001-2025 Free Software Foundation, Inc. - -;; Author: Christian Plaunt -;; Maintainer: emacs-devel@gnu.org -;; Keywords: matching -;; Created: Sat May 15 14:48:18 1993 - -;; This file is part of GNU Emacs. - -;; GNU Emacs 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 Emacs 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 GNU Emacs. If not, see . - -;;; Commentary: - -;; The Soundex algorithm maps English words into representations of -;; how they sound. Words with vaguely similar sound map to the same string. - -;;; Code: - -(defconst soundex-alist - '((?B . "1") (?F . "1") (?P . "1") (?V . "1") - (?C . "2") (?G . "2") (?J . "2") (?K . "2") (?Q . "2") (?S . "2") - (?X . "2") (?Z . "2") (?D . "3") (?T . "3") (?L . "4") (?M . "5") - (?N . "5") (?R . "6")) - "Alist of chars-to-key-code for building Soundex keys.") - -(defun soundex (word) - "Return a Soundex key for WORD. -Implemented as described in: -Knuth, Donald E. \"The Art of Computer Programming, Vol. 3: Sorting -and Searching\", Addison-Wesley (1973), pp. 391-392." - (let* ((word (upcase word)) (length (length word)) - (code (cdr (assq (aref word 0) soundex-alist))) - (key (substring word 0 1)) (index 1) (prev-code code)) - ;; once we have a four char key, we're done - (while (and (> 4 (length key)) (< index length)) - ;; look up the code for each letter in word at index - (setq code (cdr (assq (aref word index) soundex-alist)) - index (1+ index) - ;; append code to key unless the same codes belong to - ;; adjacent letters in the original string - key (concat key (if (or (null code) (string= code prev-code)) - () - code)) - prev-code code)) - ;; return a key that is 4 chars long and padded by "0"s if needed - (if (> 4 (length key)) - (substring (concat key "000") 0 4) - key))) - -(provide 'soundex) - -;;; soundex.el ends here diff --git a/test/lisp/soundex-tests.el b/test/lisp/soundex-tests.el deleted file mode 100644 index 82fcafbe3a4..00000000000 --- a/test/lisp/soundex-tests.el +++ /dev/null @@ -1,43 +0,0 @@ -;;; soundex-tests.el --- tests for soundex.el -*- lexical-binding: t -*- - -;; Copyright (C) 2017-2025 Free Software Foundation, Inc. - -;; Maintainer: emacs-devel@gnu.org - -;; This file is part of GNU Emacs. - -;; GNU Emacs 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 Emacs 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 GNU Emacs. If not, see . - -;;; Commentary: - -;; Test `soundex-test-names' originally adapted from code in -;; soundex.el by Christian Plaunt - -;;; Code: - -(require 'ert) -(require 'soundex) - -(defconst soundex-test-name-list - '("Euler" "Gauss" "Hilbert" "Knuth" "Lloyd" "Lukasiewicz" - "Ellery" "Ghosh" "Heilbronn" "Kant" "Ladd" "Lissajous") - "Knuth's names to demonstrate the Soundex algorithm.") - -(ert-deftest soundex-test-names () - (should - (equal (mapcar #'soundex soundex-test-name-list) - '("E460" "G200" "H416" "K530" "L300" "L222" - "E460" "G200" "H416" "K530" "L300" "L222")))) - -;;; soundex-tests.el ends here -- 2.39.5