1 /* $NetBSD: citrus_stdenc_template.h,v 1.4 2008/02/09 14:56:20 junyoung 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 * CAUTION: THIS IS NOT STANDALONE FILE
31 *
32 * function templates of iconv standard encoding handler for each encodings.
33 *
34 */
35
36 /*
37 * macros
38 */
39
40 #undef _TO_EI
41 #undef _CE_TO_EI
42 #undef _TO_STATE
43 #define _TO_EI(_cl_) ((_ENCODING_INFO*)(_cl_))
44 #define _CE_TO_EI(_ce_) (_TO_EI((_ce_)->ce_closure))
45 #define _TO_STATE(_ps_) ((_ENCODING_STATE*)(_ps_))
46
47 /* ----------------------------------------------------------------------
48 * templates for public functions
49 */
50
51 int
_FUNCNAME(stdenc_getops)52 _FUNCNAME(stdenc_getops)(struct _citrus_stdenc_ops *ops, size_t lenops,
53 uint32_t expected_version)
54 {
55 if (expected_version<_CITRUS_STDENC_ABI_VERSION || lenops<sizeof(*ops))
56 return (EINVAL);
57
58 memcpy(ops, &_FUNCNAME(stdenc_ops), sizeof(_FUNCNAME(stdenc_ops)));
59
60 return (0);
61 }
62
63 static int
_FUNCNAME(stdenc_init)64 _FUNCNAME(stdenc_init)(struct _citrus_stdenc * __restrict ce,
65 const void * __restrict var, size_t lenvar,
66 struct _citrus_stdenc_traits * __restrict et)
67 {
68 int ret;
69 _ENCODING_INFO *ei;
70
71 ei = NULL;
72 if (sizeof(_ENCODING_INFO) > 0) {
73 ei = calloc(1, sizeof(_ENCODING_INFO));
74 if (ei == NULL) {
75 return errno;
76 }
77 }
78
79 ret = _FUNCNAME(encoding_module_init)(ei, var, lenvar);
80 if (ret) {
81 free((void *)ei);
82 return ret;
83 }
84
85 ce->ce_closure = ei;
86 et->et_state_size = sizeof(_ENCODING_STATE);
87 et->et_mb_cur_max = _ENCODING_MB_CUR_MAX(_CE_TO_EI(ce));
88
89 return 0;
90 }
91
92 static void
_FUNCNAME(stdenc_uninit)93 _FUNCNAME(stdenc_uninit)(struct _citrus_stdenc * __restrict ce)
94 {
95 if (ce) {
96 _FUNCNAME(encoding_module_uninit)(_CE_TO_EI(ce));
97 free(ce->ce_closure);
98 }
99 }
100
101 static int
_FUNCNAME(stdenc_init_state)102 _FUNCNAME(stdenc_init_state)(struct _citrus_stdenc * __restrict ce,
103 void * __restrict ps)
104 {
105 _FUNCNAME(init_state)(_CE_TO_EI(ce), _TO_STATE(ps));
106
107 return 0;
108 }
109
110 static int
_FUNCNAME(stdenc_mbtocs)111 _FUNCNAME(stdenc_mbtocs)(struct _citrus_stdenc * __restrict ce,
112 _citrus_csid_t * __restrict csid,
113 _citrus_index_t * __restrict idx,
114 const char ** __restrict s, size_t n,
115 void * __restrict ps, size_t * __restrict nresult)
116 {
117 int ret;
118 wchar_t wc;
119
120 _DIAGASSERT(nresult != NULL);
121
122 ret = _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), &wc, s, n,
123 _TO_STATE(ps), nresult);
124
125 if (!ret && *nresult != (size_t)-2)
126 _FUNCNAME(stdenc_wctocs)(_CE_TO_EI(ce), csid, idx, wc);
127
128 return ret;
129 }
130
131 static int
_FUNCNAME(stdenc_cstomb)132 _FUNCNAME(stdenc_cstomb)(struct _citrus_stdenc * __restrict ce,
133 char * __restrict s, size_t n,
134 _citrus_csid_t csid, _citrus_index_t idx,
135 void * __restrict ps, size_t * __restrict nresult)
136 {
137 int ret;
138 wchar_t wc;
139
140 _DIAGASSERT(nresult != NULL);
141
142 wc = 0;
143
144 if (csid != _CITRUS_CSID_INVALID) {
145 ret = _FUNCNAME(stdenc_cstowc)(_CE_TO_EI(ce), &wc, csid, idx);
146 if (ret)
147 return ret;
148 }
149
150 return _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc, _TO_STATE(ps),
151 nresult);
152 }
153
154 static int
_FUNCNAME(stdenc_mbtowc)155 _FUNCNAME(stdenc_mbtowc)(struct _citrus_stdenc * __restrict ce,
156 _citrus_wc_t * __restrict wc,
157 const char ** __restrict s, size_t n,
158 void * __restrict ps, size_t * __restrict nresult)
159 {
160 return _FUNCNAME(mbrtowc_priv)(_CE_TO_EI(ce), wc, s, n,
161 _TO_STATE(ps), nresult);
162 }
163
164 static int
_FUNCNAME(stdenc_wctomb)165 _FUNCNAME(stdenc_wctomb)(struct _citrus_stdenc * __restrict ce,
166 char * __restrict s, size_t n, _citrus_wc_t wc,
167 void * __restrict ps, size_t * __restrict nresult)
168 {
169 return _FUNCNAME(wcrtomb_priv)(_CE_TO_EI(ce), s, n, wc, _TO_STATE(ps),
170 nresult);
171 }
172
173 static int
_FUNCNAME(stdenc_put_state_reset)174 _FUNCNAME(stdenc_put_state_reset)(struct _citrus_stdenc * __restrict ce,
175 char * __restrict s, size_t n,
176 void * __restrict ps,
177 size_t * __restrict nresult)
178 {
179 #if _ENCODING_IS_STATE_DEPENDENT
180 return _FUNCNAME(put_state_reset)(_CE_TO_EI(ce), s, n, _TO_STATE(ps),
181 nresult);
182 #else
183 *nresult = 0;
184 return 0;
185 #endif
186 }
187
188 static int
_FUNCNAME(stdenc_get_state_desc)189 _FUNCNAME(stdenc_get_state_desc)(struct _citrus_stdenc * __restrict ce,
190 void * __restrict ps,
191 int id,
192 struct _citrus_stdenc_state_desc * __restrict d)
193 {
194 int ret;
195
196 switch (id) {
197 case _STDENC_SDID_GENERIC:
198 ret = _FUNCNAME(stdenc_get_state_desc_generic)(
199 _CE_TO_EI(ce), _TO_STATE(ps), &d->u.generic.state);
200 break;
201 default:
202 ret = EOPNOTSUPP;
203 }
204
205 return ret;
206 }
207