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/*
* Copyright (C) 2013 Carlos Garnacho <carlos@lanedo.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "unicode/utypes.h"
#include "unicode/localpointer.h"
#include "unicode/uenum.h"
#include "unicode/ucsdet.h"
#include <glib.h>
#include "tracker-encoding-libicu.h"
gchar *
tracker_encoding_guess_icu (const gchar *buffer,
gsize size)
{
UCharsetDetector *detector = NULL;
const UCharsetMatch *match;
gchar *charset = NULL;
UErrorCode status;
const char *p_match = NULL;
detector = ucsdet_open (&status);
if (U_FAILURE (status))
goto failure;
if (size >= G_MAXINT32)
goto failure;
ucsdet_setText (detector, buffer, (int32_t) size, &status);
if (U_FAILURE (status))
goto failure;
match = ucsdet_detect (detector, &status);
if (match == NULL || U_FAILURE (status))
goto failure;
p_match = ucsdet_getName (match, &status);
if (p_match == NULL || U_FAILURE (status))
goto failure;
charset = g_strdup ((const gchar *) p_match);
if (charset)
g_debug ("Guessing charset as '%s'", charset);
failure:
if (detector)
ucsdet_close (detector);
return charset;
}
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