net.sockets/namedb/etc-files.lisp

   1 ;;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Indent-tabs-mode: NIL -*-
   2 ;;;
   3 ;;; etc-files.lisp --- Common parsing routines for /etc namedb files.
   4 ;;;
   5 ;;; Copyright (C) 2006-2007, Stelian Ionescu  <sionescu@common-lisp.net>
   6 ;;;
   7 ;;; This code is free software; you can redistribute it and/or
   8 ;;; modify it under the terms of the version 2.1 of
   9 ;;; the GNU Lesser General Public License as published by
  10 ;;; the Free Software Foundation, as clarified by the
  11 ;;; preamble found here:
  12 ;;;     http://opensource.franz.com/preamble.html
  13 ;;;
  14 ;;; This program is distributed in the hope that it will be useful,
  15 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;;; GNU General Public License for more details.
  18 ;;;
  19 ;;; You should have received a copy of the GNU Lesser General
  20 ;;; Public License along with this library; if not, write to the
  21 ;;; Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  22 ;;; Boston, MA 02110-1301, USA
  23
  24 (in-package :net.sockets)
  25
  26 (defun space-char-p (char)
  27   (declare (type character char))
  28   (or (char-equal char #\Space)
  29       (char-equal char #\Tab)))
  30
  31 (defun split-etc-tokens (line)
  32   (declare (type string line))
  33   (let ((comment-start (position #\# line)))
  34     (split-sequence-if #'space-char-p line
  35                        :remove-empty-subseqs t
  36                        :start 0 :end comment-start)))
  37
  38 (defmacro serialize-etc-file (file)
  39   `(#msplit-etc-tokens (scan-file ,file #'read-line)))