c1e771ab90
"nonidentical" means "the input character index is valid, but not corresponding to the output codeset." "ilseq" means "the input character index is invalid for the input codeset."
143 lines
4.4 KiB
C
143 lines
4.4 KiB
C
/* $NetBSD: citrus_mapper.h,v 1.3 2003/07/12 15:39:19 tshiozak Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c)2003 Citrus Project,
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _CITRUS_MAPPER_H_
|
|
#define _CITRUS_MAPPER_H_
|
|
|
|
struct _citrus_mapper_area;
|
|
struct _citrus_mapper;
|
|
struct _citrus_mapper_ops;
|
|
struct _citrus_mapper_traits;
|
|
|
|
__BEGIN_DECLS
|
|
int _citrus_mapper_create_area(
|
|
struct _citrus_mapper_area *__restrict *__restrict,
|
|
const char *__restrict);
|
|
int _citrus_mapper_open(struct _citrus_mapper_area *__restrict,
|
|
struct _citrus_mapper *__restrict *__restrict,
|
|
const char *__restrict);
|
|
int _citrus_mapper_open_direct(
|
|
struct _citrus_mapper_area *__restrict,
|
|
struct _citrus_mapper *__restrict *__restrict,
|
|
const char *__restrict, const char *__restrict);
|
|
void _citrus_mapper_close(struct _citrus_mapper *);
|
|
void _citrus_mapper_set_persistent(struct _citrus_mapper * __restrict);
|
|
__END_DECLS
|
|
|
|
#include "citrus_mapper_local.h"
|
|
|
|
/* return values of _citrus_mapper_convert */
|
|
#define _CITRUS_MAPPER_CONVERT_SUCCESS (0)
|
|
#define _CITRUS_MAPPER_CONVERT_NONIDENTICAL (1)
|
|
#define _CITRUS_MAPPER_CONVERT_SRC_MORE (2)
|
|
#define _CITRUS_MAPPER_CONVERT_DST_MORE (3)
|
|
#define _CITRUS_MAPPER_CONVERT_ILSEQ (4)
|
|
#define _CITRUS_MAPPER_CONVERT_FATAL (5)
|
|
|
|
/*
|
|
* _citrus_mapper_convert:
|
|
* convert an index.
|
|
* - if the converter supports M:1 converter, the function may return
|
|
* _CITRUS_MAPPER_CONVERT_SRC_MORE and the storage pointed by dst
|
|
* may be unchanged in this case, although the internal status of
|
|
* the mapper is affected.
|
|
* - if the converter supports 1:N converter, the function may return
|
|
* _CITRUS_MAPPER_CONVERT_DST_MORE. In this case, the contiguous
|
|
* call of this function ignores src and changes the storage pointed
|
|
* by dst.
|
|
* - if the converter supports M:N converter, the function may behave
|
|
* the combination of the above.
|
|
*
|
|
*/
|
|
static __inline int
|
|
_citrus_mapper_convert(struct _citrus_mapper * __restrict cm,
|
|
_citrus_index_t * __restrict dst,
|
|
_citrus_index_t src,
|
|
void * __restrict ps)
|
|
{
|
|
|
|
_DIAGASSERT(cm && cm->cm_ops && cm->cm_ops->mo_convert && dst);
|
|
|
|
return (*cm->cm_ops->mo_convert)(cm, dst, src, ps);
|
|
}
|
|
|
|
/*
|
|
* _citrus_mapper_init_state:
|
|
* initialize the state.
|
|
*/
|
|
static __inline void
|
|
_citrus_mapper_init_state(struct _citrus_mapper * __restrict cm,
|
|
void * __restrict ps)
|
|
{
|
|
|
|
_DIAGASSERT(cm && cm->cm_ops && cm->cm_ops->mo_init_state);
|
|
|
|
(*cm->cm_ops->mo_init_state)(cm, ps);
|
|
}
|
|
|
|
/*
|
|
* _citrus_mapper_get_state_size:
|
|
* get the size of state storage.
|
|
*/
|
|
static __inline size_t
|
|
_citrus_mapper_get_state_size(struct _citrus_mapper * __restrict cm)
|
|
{
|
|
|
|
_DIAGASSERT(cm && cm->cm_traits);
|
|
|
|
return cm->cm_traits->mt_state_size;
|
|
}
|
|
|
|
/*
|
|
* _citrus_mapper_get_src_max:
|
|
* get the maximum number of suspended sources.
|
|
*/
|
|
static __inline size_t
|
|
_citrus_mapper_get_src_max(struct _citrus_mapper * __restrict cm)
|
|
{
|
|
|
|
_DIAGASSERT(cm && cm->cm_traits);
|
|
|
|
return cm->cm_traits->mt_src_max;
|
|
}
|
|
|
|
/*
|
|
* _citrus_mapper_get_dst_max:
|
|
* get the maximum number of suspended destinations.
|
|
*/
|
|
static __inline size_t
|
|
_citrus_mapper_get_dst_max(struct _citrus_mapper * __restrict cm)
|
|
{
|
|
|
|
_DIAGASSERT(cm && cm->cm_traits);
|
|
|
|
return cm->cm_traits->mt_dst_max;
|
|
}
|
|
|
|
#endif
|