fish/utf8.h

/*
 * Copyright (c) 2007 Alexey Vatchenko <av@bsdua.org>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/*
 * utf8: implementation of UTF-8 charset encoding (RFC3629).
 */
#ifndef _UTF8_H_
#define _UTF8_H_

#include <sys/types.h>

#include <string>
#include <wchar.h>

#define UTF8_IGNORE_ERROR		0x01
#define UTF8_SKIP_BOM			0x02

/* Convert a string between UTF8 and UCS-2/4 (depending on size of wchar_t). Returns true if successful, storing the result of the conversion in *result */
bool utf8_to_wchar_string(const std::string &input, std::wstring *result);
bool wchar_to_utf8_string(const std::wstring &input, std::string *result);

/* Variants exposed for testing */
size_t utf8_to_wchar(const char *in, size_t insize, wchar_t *out, size_t outsize, int flags);
size_t wchar_to_utf8(const wchar_t *in, size_t insize, char *out, size_t outsize, int flags);

bool is_wchar_ucs2();

#endif /* !_UTF8_H_ */