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      1 /* $NetBSD: citrus_prop.h,v 1.6 2014/06/24 22:24:18 spz Exp $ */
      2 
      3 /*-
      4  * Copyright (c)2006 Citrus Project,
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #ifndef _CITRUS_PROP_H_
     31 #define _CITRUS_PROP_H_
     32 
     33 typedef enum {
     34 	_CITRUS_PROP_BOOL = 0,
     35 	_CITRUS_PROP_STR  = 1,
     36 	_CITRUS_PROP_CHR  = 2,
     37 	_CITRUS_PROP_NUM  = 3,
     38 } _citrus_prop_type_t;
     39 
     40 typedef struct _citrus_prop_hint_t _citrus_prop_hint_t;
     41 
     42 #define _CITRUS_PROP_CB0_T(_func_, _type_) \
     43 typedef int (*_citrus_prop_##_func_##_cb_func_t) \
     44 	(void * __restrict, const char *, _type_); \
     45 typedef struct { \
     46 	_citrus_prop_##_func_##_cb_func_t func; \
     47 } _citrus_prop_##_func_##_cb_t;
     48 _CITRUS_PROP_CB0_T(boolean, int)
     49 _CITRUS_PROP_CB0_T(str, const char *)
     50 #undef _CITRUS_PROP_CB0_T
     51 
     52 #define _CITRUS_PROP_CB1_T(_func_, _type_) \
     53 typedef int (*_citrus_prop_##_func_##_cb_func_t) \
     54 	(void * __restrict, const char *, _type_, _type_); \
     55 typedef struct { \
     56 	_citrus_prop_##_func_##_cb_func_t func; \
     57 } _citrus_prop_##_func_##_cb_t;
     58 _CITRUS_PROP_CB1_T(chr, int)
     59 _CITRUS_PROP_CB1_T(num, uint64_t)
     60 #undef _CITRUS_PROP_CB1_T
     61 
     62 struct _citrus_prop_hint_t {
     63 	const char *name;
     64 	_citrus_prop_type_t type;
     65 #define _CITRUS_PROP_CB_T_OPS(_name_) \
     66 	_citrus_prop_##_name_##_cb_t _name_
     67 	union {
     68 		_CITRUS_PROP_CB_T_OPS(boolean);
     69 		_CITRUS_PROP_CB_T_OPS(str);
     70 		_CITRUS_PROP_CB_T_OPS(chr);
     71 		_CITRUS_PROP_CB_T_OPS(num);
     72 	} cb;
     73 };
     74 
     75 #define _CITRUS_PROP_HINT_BOOL(name, cb) \
     76 	{ name, _CITRUS_PROP_BOOL, { .boolean = { cb } } }
     77 #define _CITRUS_PROP_HINT_STR(name, cb) \
     78 	{ name, _CITRUS_PROP_STR, { .str = { cb } } }
     79 #define _CITRUS_PROP_HINT_CHR(name, cb) \
     80 	{ name, _CITRUS_PROP_CHR, { .chr = { cb } } }
     81 #define _CITRUS_PROP_HINT_NUM(name, cb) \
     82 	{ name, _CITRUS_PROP_NUM, { .num = { cb } } }
     83 #define _CITRUS_PROP_HINT_END \
     84 	{ .name = NULL }
     85 
     86 __BEGIN_DECLS
     87 int _citrus_prop_parse_variable(const _citrus_prop_hint_t * __restrict,
     88 	void * __restrict, const void *, size_t);
     89 __END_DECLS
     90 
     91 #endif /* !_CITRUS_PROP_H_ */
     92