1/*	$NetBSD: citrus_stdenc.h,v 1.5 2024/01/20 14:52:45 christos Exp $	*/
2
3/*-
4 * Copyright (c)2003 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_STDENC_H_
31#define _CITRUS_STDENC_H_
32
33struct _citrus_stdenc;
34struct _citrus_stdenc_ops;
35struct _citrus_stdenc_traits;
36
37#define _CITRUS_STDENC_SDID_GENERIC		0
38struct _citrus_stdenc_state_desc
39{
40	union {
41		struct {
42			int	state;
43#define _CITRUS_STDENC_SDGEN_UNKNOWN		0
44#define _CITRUS_STDENC_SDGEN_INITIAL		1
45#define _CITRUS_STDENC_SDGEN_STABLE		2
46#define _CITRUS_STDENC_SDGEN_INCOMPLETE_CHAR	3
47#define _CITRUS_STDENC_SDGEN_INCOMPLETE_SHIFT	4
48		} generic;
49	} u;
50};
51
52#include "citrus_stdenc_local.h"
53
54__BEGIN_DECLS
55int _citrus_stdenc_open(struct _citrus_stdenc * __restrict * __restrict,
56			char const * __restrict,
57			const void * __restrict, size_t);
58void _citrus_stdenc_close(struct _citrus_stdenc *);
59
60extern struct _citrus_stdenc _citrus_stdenc_default;
61
62__END_DECLS
63
64static __inline int
65_citrus_stdenc_init_state(struct _citrus_stdenc * __restrict ce,
66			  void * __restrict ps)
67{
68	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_init_state);
69	return (*ce->ce_ops->eo_init_state)(ce, ps);
70}
71
72static __inline int
73_citrus_stdenc_mbtocs(struct _citrus_stdenc * __restrict ce,
74		      _citrus_csid_t * __restrict csid,
75		      _citrus_index_t * __restrict idx,
76		      const char ** __restrict s, size_t n,
77		      void * __restrict ps, size_t * __restrict nresult)
78{
79	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_mbtocs);
80	return (*ce->ce_ops->eo_mbtocs)(ce, csid, idx, s, n, ps, nresult);
81}
82
83static __inline int
84_citrus_stdenc_cstomb(struct _citrus_stdenc * __restrict ce,
85		      char * __restrict s, size_t n,
86		      _citrus_csid_t csid, _citrus_index_t idx,
87		      void * __restrict ps, size_t * __restrict nresult)
88{
89	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_cstomb);
90	return (*ce->ce_ops->eo_cstomb)(ce, s, n, csid, idx, ps, nresult);
91}
92
93static __inline int
94_citrus_stdenc_mbtowc(struct _citrus_stdenc * __restrict ce,
95		      _citrus_wc_t * __restrict wc,
96		      const char ** __restrict s, size_t n,
97		      void * __restrict ps, size_t * __restrict nresult)
98{
99	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_mbtocs);
100	return (*ce->ce_ops->eo_mbtowc)(ce, wc, s, n, ps, nresult);
101}
102
103static __inline int
104_citrus_stdenc_wctomb(struct _citrus_stdenc * __restrict ce,
105		      char * __restrict s, size_t n, _citrus_wc_t wc,
106		      void * __restrict ps, size_t * __restrict nresult)
107{
108	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_cstomb);
109	return (*ce->ce_ops->eo_wctomb)(ce, s, n, wc, ps, nresult);
110}
111
112static __inline int
113_citrus_stdenc_put_state_reset(struct _citrus_stdenc * __restrict ce,
114			       char * __restrict s, size_t n,
115			       void * __restrict ps,
116			       size_t * __restrict nresult)
117{
118	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_put_state_reset);
119	return (*ce->ce_ops->eo_put_state_reset)(ce, s, n, ps, nresult);
120}
121
122static __inline size_t
123_citrus_stdenc_get_state_size(struct _citrus_stdenc *ce)
124{
125	_DIAGASSERT(ce && ce->ce_traits);
126	return ce->ce_traits->et_state_size;
127}
128
129static __inline size_t
130_citrus_stdenc_get_mb_cur_max(struct _citrus_stdenc *ce)
131{
132	_DIAGASSERT(ce && ce->ce_traits);
133	return ce->ce_traits->et_mb_cur_max;
134}
135
136static __inline int
137_citrus_stdenc_get_state_desc(struct _citrus_stdenc * __restrict ce,
138			      void * __restrict ps,
139			      int id,
140			      struct _citrus_stdenc_state_desc * __restrict d)
141{
142
143	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_get_state_desc);
144
145	return (*ce->ce_ops->eo_get_state_desc)(ce, ps, id, d);
146}
147
148#endif
149