utfconv.h

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/*
 * 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.
 *
 * The Original Code is Copyright (C) 2012 Blender Foundation.
 * All rights reserved.
 *
 */
 
#ifndef __UTFCONV_H__
#define __UTFCONV_H__
 
#include <stdio.h>
#include <stdlib.h>
#include <wchar.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
size_t count_utf_8_from_16(const wchar_t *string16);
 
size_t count_utf_16_from_8(const char *string8);
 
/*
 * conv_utf_*** errors
 */
 
#define UTF_ERROR_NULL_IN (1 << 0)
#define UTF_ERROR_ILLCHAR (1 << 1)
#define UTF_ERROR_SMALL (1 << 2)
#define UTF_ERROR_ILLSEQ (1 << 3)
 
int conv_utf_16_to_8(const wchar_t *in16, char *out8, size_t size8);
 
int conv_utf_8_to_16(const char *in8, wchar_t *out16, size_t size16);
 
char *alloc_utf_8_from_16(const wchar_t *in16, size_t add);
 
wchar_t *alloc_utf16_from_8(const char *in8, size_t add);
 
/* Easy allocation and conversion of new utf-16 string. New string has _16 suffix.
 * Must be deallocated with UTF16_UN_ENCODE in right order. */
#define UTF16_ENCODE(in8str) \
  if (1) { \
    wchar_t *in8str##_16 = alloc_utf16_from_8((const char *)in8str, 0)
 
#define UTF16_UN_ENCODE(in8str) \
  free(in8str##_16); \
  } \
  (void)0
 
#ifdef __cplusplus
}
#endif
 
#endif /* __UTFCONV_H__ */