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/* Message list character set conversion.
Copyright (C) 2001-2003, 2005-2006, 2009, 2015-2016 Free Software
Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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 3 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, see <http://www.gnu.org/licenses/>. */
#ifndef _MSGL_ICONV_H
#define _MSGL_ICONV_H
#include <stdbool.h>
#if HAVE_ICONV
#include <iconv.h>
#endif
#include "message.h"
#ifdef __cplusplus
extern "C" {
#endif
#if HAVE_ICONV
/* A context, used for accurate error messages. */
struct conversion_context
{
const char *from_code; /* canonicalized encoding name for input */
const char *to_code; /* canonicalized encoding name for output */
const char *from_filename; /* file name where the input comes from */
const message_ty *message; /* message being converted, or NULL */
};
/* Converts the STRING through the conversion descriptor CD.
Assumes that either FROM_CODE or TO_CODE is UTF-8. */
extern char *convert_string_directly (iconv_t cd, const char *string,
const struct conversion_context* context);
#endif
/* Converts the message list MLP to the (already canonicalized) encoding
CANON_TO_CODE. The (already canonicalized) encoding before conversion
can be passed as CANON_FROM_CODE; if NULL is passed instead, the
encoding is looked up in the header entry. Returns true if and only if
some msgctxt or msgid changed due to the conversion. */
extern bool
iconv_message_list (message_list_ty *mlp,
const char *canon_from_code,
const char *canon_to_code,
const char *from_filename);
/* Converts all the message lists in MDLP to the encoding TO_CODE.
UPDATE_HEADER specifies whether to update the "charset=..." specification
in the header; it should normally be true. */
extern msgdomain_list_ty *
iconv_msgdomain_list (msgdomain_list_ty *mdlp,
const char *to_code,
bool update_header,
const char *from_filename);
/* Tests whether the message list MLP could be converted to CANON_TO_CODE.
The (already canonicalized) encoding before conversion can be passed as
CANON_FROM_CODE; if NULL is passed instead, the encoding is looked up
in the header entry. */
extern bool
is_message_list_iconvable (message_list_ty *mlp,
const char *canon_from_code,
const char *canon_to_code);
#ifdef __cplusplus
}
#endif
#endif /* _MSGL_ICONV_H */
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