mdw@git.distorted.org.uk Git - sod/blob - src/pset-impl.lisp

   1 ;;; -*-lisp-*-
   2 ;;;
   3 ;;; Implementation for property sets
   4 ;;;
   5 ;;; (c) 2009 Straylight/Edgeware
   6 ;;;
   7
   8 ;;;----- Licensing notice ---------------------------------------------------
   9 ;;;
  10 ;;; This file is part of the Sensble Object Design, an object system for C.
  11 ;;;
  12 ;;; SOD is free software; you can redistribute it and/or modify
  13 ;;; it under the terms of the GNU General Public License as published by
  14 ;;; the Free Software Foundation; either version 2 of the License, or
  15 ;;; (at your option) any later version.
  16 ;;;
  17 ;;; SOD is distributed in the hope that it will be useful,
  18 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;;; GNU General Public License for more details.
  21 ;;;
  22 ;;; You should have received a copy of the GNU General Public License
  23 ;;; along with SOD; if not, write to the Free Software Foundation,
  24 ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  25
  26 (cl:in-package #:sod)
  27
  28 ;;;--------------------------------------------------------------------------
  29 ;;; Property representation.
  30
  31 (defmethod file-location ((prop property))
  32   (file-location (p-location prop)))
  33
  34 ;;; Keywords.
  35
  36 (defmethod coerce-property-value
  37     ((value symbol) (type (eql :symbol)) (wanted (eql :keyword)))
  38   value)
  39
  40 (defmethod coerce-property-value
  41     ((value string) (type (eql :id)) (wanted (eql :keyword)))
  42   (string-to-symbol value :package :keyword))
  43
  44 (defmethod coerce-property-value
  45     ((value string) (type (eql :string)) (wanted (eql :keyword)))
  46   (string-to-symbol value :package :keyword :swap-hyphen nil))
  47
  48 ;;; Symbols.
  49
  50 (defmethod coerce-property-value
  51     ((value string) (type (eql :id)) (wanted (eql :symbol)))
  52   (string-to-symbol value))
  53
  54 (defmethod coerce-property-value
  55     ((value string) (type (eql :string)) (wanted (eql :symbol)))
  56   (string-to-symbol value :swap-hyphen nil))
  57
  58 ;;; Identifiers.
  59
  60 (defmethod coerce-property-value
  61     ((value string) (type (eql :string)) (wanted (eql :id)))
  62   value)
  63
  64 (defmethod coerce-property-value
  65     ((value symbol) (type (eql :symbol)) (wanted (eql :id)))
  66   (frob-identifier (symbol-name value)))
  67
  68 ;;;--------------------------------------------------------------------------
  69 ;;; Property sets.
  70
  71 (defmethod print-object ((pset pset) stream)
  72   (print-unreadable-object (pset stream :type t)
  73     (pprint-logical-block (stream nil)
  74       (let ((firstp t))
  75         (pset-map (lambda (prop)
  76                     (cond (firstp (setf firstp nil))
  77                           (t (write-char #\space stream)
  78                              (pprint-newline :linear stream)))
  79                     (format stream "~:@<~S ~@_~S ~@_~S~:>"
  80                             (p-name prop) (p-type prop) (p-value prop)))
  81                   pset)))))
  82
  83 ;;;----- That's all, folks --------------------------------------------------