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cet.h
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cet.h
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/*
Character encoding transformation - basics header
Copyright (C) 2005-2008 Olaf Klein, o.b.klein@gpsbabel.org
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef CET_H
#define CET_H
#include <cstddef> // for size_t
#define CET_ERROR 1
#define CET_SUCCESS 0
typedef struct cet_ucs4_link_s {
int value; /* UCS-4 value */
short origin; /* associated character */
} cet_ucs4_link_t;
typedef struct cet_cs_vec_s {
const char* name; /* name of character set */
const char** alias; /* alias table */
struct cet_cs_vec_s* fallback; /* fallback character set */
void* unused;
const int* ucs4_map; /* char to UCS-4 value table */
const int ucs4_offset; /* first non standard character */
const int ucs4_count; /* values in table */
const cet_ucs4_link_t* ucs4_link; /* UCS-4 to char backward links */
const int ucs4_links; /* number of links */
const cet_ucs4_link_t* ucs4_extra; /* Non standard UCS-4 to ... */
const int ucs4_extras; /* number of extra links */
struct cet_cs_vec_s* next;
} cet_cs_vec_t;
/* single char/value transmission */
int cet_utf8_to_ucs4(const char* str, int* bytes, int* value);
int cet_ucs4_to_utf8(char* dest, size_t dest_size, int value);
/* single char/value transmission - vec based */
int cet_char_to_ucs4(char src, const cet_cs_vec_t* vec, int* value);
short cet_utf8_to_char(const char* str, const cet_cs_vec_t* vecint, int* bytes, int* value);
short cet_ucs4_to_char(int value, const cet_cs_vec_t* vec);
/* string to string - vector based */
char* cet_str_utf8_to_any(const char* src, const cet_cs_vec_t* vec);
char* cet_str_any_to_utf8(const char* src, const cet_cs_vec_t* vec);
char* cet_str_uni_to_utf8(const short* src, int length);
/* UTF-8 string manipulation functions */
unsigned int cet_utf8_strlen(const char* str);
char* cet_utf8_strdup(const char* str);
char* cet_utf8_strndup(const char* str, int maxlen);
/* unicode functions */
short* cet_str_any_to_uni(const char* src, const cet_cs_vec_t* vec, int* length);
#endif