lib/libc/citrus/citrus_prop.h

   1 /* $NetBSD: citrus_prop.h,v 1.3 2006/11/23 13:59:03 tnozaki Exp $ */
   2 /* $DragonFly: src/lib/libc/citrus/citrus_prop.h,v 1.1 2008/04/10 10:21:01 hasso Exp $ */
   3
   4 /*-
   5  * Copyright (c)2006 Citrus Project,
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  */
  30
  31 #ifndef _CITRUS_PROP_H_
  32 #define _CITRUS_PROP_H_
  33
  34 typedef enum {
  35         _CITRUS_PROP_BOOL = 0,
  36         _CITRUS_PROP_STR  = 1,
  37         _CITRUS_PROP_CHR  = 2,
  38         _CITRUS_PROP_NUM  = 3,
  39 } _citrus_prop_type_t;
  40
  41 typedef struct _citrus_prop_hint_t _citrus_prop_hint_t;
  42
  43 #define _CITRUS_PROP_CB0_T(_func_, _type_) \
  44 typedef int (*_citrus_prop_##_func_##_cb_func_t) \
  45         (void ** __restrict, const char *, _type_); \
  46 typedef struct { \
  47         _citrus_prop_##_func_##_cb_func_t func; \
  48 } _citrus_prop_##_func_##_cb_t;
  49 _CITRUS_PROP_CB0_T(bool, int)
  50 _CITRUS_PROP_CB0_T(str, const char *)
  51 #undef _CITRUS_PROP_CB0_T
  52
  53 #define _CITRUS_PROP_CB1_T(_func_, _type_) \
  54 typedef int (*_citrus_prop_##_func_##_cb_func_t) \
  55         (void ** __restrict, const char *, _type_, _type_); \
  56 typedef struct { \
  57         _citrus_prop_##_func_##_cb_func_t func; \
  58 } _citrus_prop_##_func_##_cb_t;
  59 _CITRUS_PROP_CB1_T(chr, int)
  60 _CITRUS_PROP_CB1_T(num, uint64_t)
  61 #undef _CITRUS_PROP_CB1_T
  62
  63 struct _citrus_prop_hint_t {
  64         const char *name;
  65         _citrus_prop_type_t type;
  66 #define _CITRUS_PROP_CB_T_OPS(_name_) \
  67         _citrus_prop_##_name_##_cb_t _name_
  68         union {
  69                 _CITRUS_PROP_CB_T_OPS(bool);
  70                 _CITRUS_PROP_CB_T_OPS(str);
  71                 _CITRUS_PROP_CB_T_OPS(chr);
  72                 _CITRUS_PROP_CB_T_OPS(num);
  73         } cb;
  74 };
  75
  76 #define _CITRUS_PROP_HINT_BOOL(name, cb) \
  77         { name, _CITRUS_PROP_BOOL, { .bool = { cb } } }
  78 #define _CITRUS_PROP_HINT_STR(name, cb) \
  79         { name, _CITRUS_PROP_STR, { .str = { cb } } }
  80 #define _CITRUS_PROP_HINT_CHR(name, cb) \
  81         { name, _CITRUS_PROP_CHR, { .chr = { cb } } }
  82 #define _CITRUS_PROP_HINT_NUM(name, cb) \
  83         { name, _CITRUS_PROP_NUM, { .num = { cb } } }
  84 #define _CITRUS_PROP_HINT_END \
  85         { NULL }
  86
  87 __BEGIN_DECLS
  88 int _citrus_prop_parse_variable(const _citrus_prop_hint_t * __restrict,
  89         void * __restrict, const void *, size_t);
  90 __END_DECLS
  91
  92 #endif /* !_CITRUS_PROP_H_ */