xref: /dragonfly/lib/libc/citrus/citrus_stdenc.h (revision 36a3d1d6)
1 /* $NetBSD: citrus_stdenc.h,v 1.4 2005/10/29 18:02:04 tshiozak Exp $ */
2 /* $DragonFly: src/lib/libc/citrus/citrus_stdenc.h,v 1.2 2008/04/10 10:21:01 hasso Exp $ */
3 
4 /*-
5  * Copyright (c)2003 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_STDENC_H_
32 #define _CITRUS_STDENC_H_
33 
34 struct _citrus_stdenc;
35 struct _citrus_stdenc_ops;
36 struct _citrus_stdenc_traits;
37 
38 #define _CITRUS_STDENC_SDID_GENERIC		0
39 struct _citrus_stdenc_state_desc
40 {
41 	union {
42 		struct {
43 			int	state;
44 #define _CITRUS_STDENC_SDGEN_UNKNOWN		0
45 #define _CITRUS_STDENC_SDGEN_INITIAL		1
46 #define _CITRUS_STDENC_SDGEN_STABLE		2
47 #define _CITRUS_STDENC_SDGEN_INCOMPLETE_CHAR	3
48 #define _CITRUS_STDENC_SDGEN_INCOMPLETE_SHIFT	4
49 		} generic;
50 	} u;
51 };
52 
53 #include "citrus_stdenc_local.h"
54 
55 __BEGIN_DECLS
56 int _citrus_stdenc_open(struct _citrus_stdenc * __restrict * __restrict,
57 			char const * __restrict,
58 			const void * __restrict, size_t);
59 void _citrus_stdenc_close(struct _citrus_stdenc *);
60 __END_DECLS
61 
62 static __inline int
63 _citrus_stdenc_init_state(struct _citrus_stdenc * __restrict ce,
64 			  void * __restrict ps)
65 {
66 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_init_state);
67 	return (*ce->ce_ops->eo_init_state)(ce, ps);
68 }
69 
70 static __inline int
71 _citrus_stdenc_mbtocs(struct _citrus_stdenc * __restrict ce,
72 		      _citrus_csid_t * __restrict csid,
73 		      _citrus_index_t * __restrict idx,
74 		      const char ** __restrict s, size_t n,
75 		      void * __restrict ps, size_t * __restrict nresult)
76 {
77 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_mbtocs);
78 	return (*ce->ce_ops->eo_mbtocs)(ce, csid, idx, s, n, ps, nresult);
79 }
80 
81 static __inline int
82 _citrus_stdenc_cstomb(struct _citrus_stdenc * __restrict ce,
83 		      char * __restrict s, size_t n,
84 		      _citrus_csid_t csid, _citrus_index_t idx,
85 		      void * __restrict ps, size_t * __restrict nresult)
86 {
87 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_cstomb);
88 	return (*ce->ce_ops->eo_cstomb)(ce, s, n, csid, idx, ps, nresult);
89 }
90 
91 static __inline int
92 _citrus_stdenc_mbtowc(struct _citrus_stdenc * __restrict ce,
93 		      _citrus_wc_t * __restrict wc,
94 		      const char ** __restrict s, size_t n,
95 		      void * __restrict ps, size_t * __restrict nresult)
96 {
97 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_mbtocs);
98 	return (*ce->ce_ops->eo_mbtowc)(ce, wc, s, n, ps, nresult);
99 }
100 
101 static __inline int
102 _citrus_stdenc_wctomb(struct _citrus_stdenc * __restrict ce,
103 		      char * __restrict s, size_t n, _citrus_wc_t wc,
104 		      void * __restrict ps, size_t * __restrict nresult)
105 {
106 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_cstomb);
107 	return (*ce->ce_ops->eo_wctomb)(ce, s, n, wc, ps, nresult);
108 }
109 
110 static __inline int
111 _citrus_stdenc_put_state_reset(struct _citrus_stdenc * __restrict ce,
112 			       char * __restrict s, size_t n,
113 			       void * __restrict ps,
114 			       size_t * __restrict nresult)
115 {
116 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_put_state_reset);
117 	return (*ce->ce_ops->eo_put_state_reset)(ce, s, n, ps, nresult);
118 }
119 
120 static __inline size_t
121 _citrus_stdenc_get_state_size(struct _citrus_stdenc *ce)
122 {
123 	_DIAGASSERT(ce && ce->ce_traits);
124 	return ce->ce_traits->et_state_size;
125 }
126 
127 static __inline size_t
128 _citrus_stdenc_get_mb_cur_max(struct _citrus_stdenc *ce)
129 {
130 	_DIAGASSERT(ce && ce->ce_traits);
131 	return ce->ce_traits->et_mb_cur_max;
132 }
133 
134 static __inline int
135 _citrus_stdenc_get_state_desc(struct _citrus_stdenc * __restrict ce,
136 			      void * __restrict ps,
137 			      int id,
138 			      struct _citrus_stdenc_state_desc * __restrict d)
139 {
140 
141 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_get_state_desc);
142 
143 	return (*ce->ce_ops->eo_get_state_desc)(ce, ps, id, d);
144 }
145 
146 #endif
147