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citrus_stdenc.h revision 1.4 
      1 /*	$NetBSD: citrus_stdenc.h,v 1.4 2005/10/29 18:02:04 tshiozak 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 
     33 struct _citrus_stdenc;
     34 struct _citrus_stdenc_ops;
     35 struct _citrus_stdenc_traits;
     36 
     37 #define _CITRUS_STDENC_SDID_GENERIC		0
     38 struct _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
     55 int _citrus_stdenc_open(struct _citrus_stdenc * __restrict * __restrict,
     56 			char const * __restrict,
     57 			const void * __restrict, size_t);
     58 void _citrus_stdenc_close(struct _citrus_stdenc *);
     59 __END_DECLS
     60 
     61 static __inline int
     62 _citrus_stdenc_init_state(struct _citrus_stdenc * __restrict ce,
     63 			  void * __restrict ps)
     64 {
     65 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_init_state);
     66 	return (*ce->ce_ops->eo_init_state)(ce, ps);
     67 }
     68 
     69 static __inline int
     70 _citrus_stdenc_mbtocs(struct _citrus_stdenc * __restrict ce,
     71 		      _citrus_csid_t * __restrict csid,
     72 		      _citrus_index_t * __restrict idx,
     73 		      const char ** __restrict s, size_t n,
     74 		      void * __restrict ps, size_t * __restrict nresult)
     75 {
     76 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_mbtocs);
     77 	return (*ce->ce_ops->eo_mbtocs)(ce, csid, idx, s, n, ps, nresult);
     78 }
     79 
     80 static __inline int
     81 _citrus_stdenc_cstomb(struct _citrus_stdenc * __restrict ce,
     82 		      char * __restrict s, size_t n,
     83 		      _citrus_csid_t csid, _citrus_index_t idx,
     84 		      void * __restrict ps, size_t * __restrict nresult)
     85 {
     86 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_cstomb);
     87 	return (*ce->ce_ops->eo_cstomb)(ce, s, n, csid, idx, ps, nresult);
     88 }
     89 
     90 static __inline int
     91 _citrus_stdenc_mbtowc(struct _citrus_stdenc * __restrict ce,
     92 		      _citrus_wc_t * __restrict wc,
     93 		      const char ** __restrict s, size_t n,
     94 		      void * __restrict ps, size_t * __restrict nresult)
     95 {
     96 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_mbtocs);
     97 	return (*ce->ce_ops->eo_mbtowc)(ce, wc, s, n, ps, nresult);
     98 }
     99 
    100 static __inline int
    101 _citrus_stdenc_wctomb(struct _citrus_stdenc * __restrict ce,
    102 		      char * __restrict s, size_t n, _citrus_wc_t wc,
    103 		      void * __restrict ps, size_t * __restrict nresult)
    104 {
    105 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_cstomb);
    106 	return (*ce->ce_ops->eo_wctomb)(ce, s, n, wc, ps, nresult);
    107 }
    108 
    109 static __inline int
    110 _citrus_stdenc_put_state_reset(struct _citrus_stdenc * __restrict ce,
    111 			       char * __restrict s, size_t n,
    112 			       void * __restrict ps,
    113 			       size_t * __restrict nresult)
    114 {
    115 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_put_state_reset);
    116 	return (*ce->ce_ops->eo_put_state_reset)(ce, s, n, ps, nresult);
    117 }
    118 
    119 static __inline size_t
    120 _citrus_stdenc_get_state_size(struct _citrus_stdenc *ce)
    121 {
    122 	_DIAGASSERT(ce && ce->ce_traits);
    123 	return ce->ce_traits->et_state_size;
    124 }
    125 
    126 static __inline size_t
    127 _citrus_stdenc_get_mb_cur_max(struct _citrus_stdenc *ce)
    128 {
    129 	_DIAGASSERT(ce && ce->ce_traits);
    130 	return ce->ce_traits->et_mb_cur_max;
    131 }
    132 
    133 static __inline int
    134 _citrus_stdenc_get_state_desc(struct _citrus_stdenc * __restrict ce,
    135 			      void * __restrict ps,
    136 			      int id,
    137 			      struct _citrus_stdenc_state_desc * __restrict d)
    138 {
    139 
    140 	_DIAGASSERT(ce && ce->ce_ops && ce->ce_ops->eo_get_state_desc);
    141 
    142 	return (*ce->ce_ops->eo_get_state_desc)(ce, ps, id, d);
    143 }
    144 
    145 #endif
    146