workbench/devs/diskimage/include/prefs.h

   1 /* Copyright 2007-2012 Fredrik Wikstrom. All rights reserved.
   2 **
   3 ** Redistribution and use in source and binary forms, with or without
   4 ** modification, are permitted provided that the following conditions
   5 ** are met:
   6 **
   7 ** 1. Redistributions of source code must retain the above copyright
   8 **    notice, this list of conditions and the following disclaimer.
   9 **
  10 ** 2. Redistributions in binary form must reproduce the above copyright
  11 **    notice, this list of conditions and the following disclaimer in the
  12 **    documentation and/or other materials provided with the distribution.
  13 **
  14 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  15 ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17 ** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  18 ** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19 ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  20 ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  21 ** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  22 ** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  23 ** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  24 ** POSSIBILITY OF SUCH DAMAGE.
  25 */
  26
  27 #ifndef PREFS_H
  28 #define PREFS_H
  29
  30 #ifndef EXEC_EXEC_H
  31 #include <exec/exec.h>
  32 #endif
  33
  34 typedef struct {
  35         struct MinNode node;
  36         APTR parent;
  37         STRPTR key;
  38         ULONG type;
  39         union {
  40                 struct List *list;
  41                 BOOL bool;
  42                 LONG integer;
  43                 STRPTR string;
  44         } value;
  45 } PrefsObject;
  46
  47 enum {
  48         PREFS_UNKNOWN,
  49         PREFS_DICTIONARY,
  50         PREFS_BOOL,
  51         PREFS_INTEGER,
  52         PREFS_STRING
  53 };
  54
  55 /* prefs.c */
  56 PrefsObject *AllocPrefsDictionary (void);
  57 PrefsObject *AllocPrefsBoolean (BOOL value);
  58 PrefsObject *AllocPrefsInteger (LONG value);
  59 PrefsObject *AllocPrefsString (CONST_STRPTR value);
  60 void FreePrefsObject (PrefsObject *obj);
  61 PrefsObject *DictGetObjectForKey (PrefsObject *dict, CONST_STRPTR key);
  62 BOOL DictGetBooleanForKey (PrefsObject *dict, CONST_STRPTR key, BOOL def_val);
  63 LONG DictGetIntegerForKey (PrefsObject *dict, CONST_STRPTR key, LONG def_val);
  64 CONST_STRPTR DictGetStringForKey (PrefsObject *dict, CONST_STRPTR key, CONST_STRPTR def_val);
  65 BOOL DictSetObjectForKey (PrefsObject *dict, PrefsObject *obj, CONST_STRPTR key);
  66 BOOL DictRemoveObjForKey (PrefsObject *dict, CONST_STRPTR key);
  67 void ClearPrefsDictionary (PrefsObject *dict);
  68
  69 /* readprefs.c */
  70 BOOL ReadPrefs (PrefsObject *dict, CONST_STRPTR filename);
  71
  72 /* writeprefs.c */
  73 BOOL WritePrefs (PrefsObject *dict, CONST_STRPTR filename);
  74
  75 #endif