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/*
* multibytecodec.h: Common Multibyte Codec Implementation
*
* Written by Hye-Shik Chang <perky@FreeBSD.org>
*/
#ifndef _MULTIBYTECODEC_H_
#define _MULTIBYTECODEC_H_
#include <uniconvint.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef uc_char_t ucs4_t;
typedef uc_uint16_t ucs2_t, DBCHAR;
typedef union {
void *p;
int i;
unsigned char c[8];
ucs2_t u2[4];
ucs4_t u4[2];
} MultibyteCodec_State;
typedef int (*mbcodec_init)(const void *config);
typedef int (*mbencode_func)(MultibyteCodec_State *state,
const void *config,
const ucs4_t **inbuf, int inleft,
unsigned char **outbuf, int outleft,
int flags);
typedef int (*mbencodeinit_func)(MultibyteCodec_State *state,
const void *config);
typedef int (*mbencodereset_func)(MultibyteCodec_State *state,
const void *config,
unsigned char **outbuf, int outleft);
typedef int (*mbdecode_func)(MultibyteCodec_State *state,
const void *config,
const unsigned char **inbuf, int inleft,
ucs4_t **outbuf, int outleft);
typedef int (*mbdecodeinit_func)(MultibyteCodec_State *state,
const void *config);
typedef int (*mbdecodereset_func)(MultibyteCodec_State *state,
const void *config);
typedef struct {
const char *encoding;
const void *config;
mbcodec_init codecinit;
mbencode_func encode;
mbencodeinit_func encinit;
mbencodereset_func encreset;
mbdecode_func decode;
mbdecodeinit_func decinit;
mbdecodereset_func decreset;
} MultibyteCodec;
typedef struct {
const MultibyteCodec *codec;
MultibyteCodec_State state;
} MultibyteCodecState;
/* positive values for illegal sequences */
#define MBERR_TOOSMALL (-1) /* insufficient output buffer space */
#define MBERR_TOOFEW (-2) /* incomplete input buffer */
#define MBERR_INTERNAL (-3) /* internal runtime error */
#define ERROR_STRICT (1)
#define ERROR_IGNORE (2)
#define ERROR_REPLACE (3)
#define MBENC_FLUSH 0x0001 /* encode all characters encodable */
#define MBENC_MAX MBENC_FLUSH
int
mbc_importmap(const char *modname, const char *symbol,
const void **encmap, const void **decmap);
int
mbcs_init(MultibyteCodecState *state,
const char *modname,
const char* charset);
void
mbcs_decode_init(MultibyteCodecState *state);
int
mbcs_decode_reset(MultibyteCodecState *state);
void
mbcs_encode_init(MultibyteCodecState *state);
int
mbcs_encode_reset(MultibyteCodecState *state,
char **outbuf, int outleft);
int
mbcs_decode(MultibyteCodecState *state,
const char** inbuf, size_t inlen,
ucs4_t** outbuf, size_t outlen);
int
mbcs_encode(MultibyteCodecState *state,
const ucs4_t** inbuf, size_t inlen,
char** outbuf, size_t outlen,
int flags);
#ifdef __cplusplus
}
#endif
#endif
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