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/* vim:set et ts=4 sts=4:
*
* ibus-libzhuyin - New Zhuyin engine based on libzhuyin for IBus
*
* Copyright (c) 2014 Peng Wu <alexepico@gmail.com>
*
* 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, 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "ZYTradSimpConverter.h"
#include <opencc.h>
#include "ZYTypes.h"
#include "ZYString.h"
namespace ZY {
class opencc {
static const int BUFFER_SIZE = 64;
public:
opencc (void)
{
m_cc = opencc_open (OPENCC_DEFAULT_CONFIG_TRAD_TO_SIMP);
g_assert (m_cc != NULL);
}
~opencc (void)
{
opencc_close (m_cc);
}
void convert (const gchar *in, String &out)
{
glong n_char;
gunichar *in_ucs4 = g_utf8_to_ucs4_fast (in, -1, &n_char);
ucs4_t *pinbuf = (ucs4_t *)in_ucs4;
size_t inbuf_left = n_char;
while (inbuf_left != 0) {
ucs4_t *poutbuf = (ucs4_t *)m_buffer;
size_t outbuf_left = BUFFER_SIZE;
size_t retval = opencc_convert(m_cc, &pinbuf, &inbuf_left, &poutbuf, &outbuf_left);
if (retval == (size_t) -1) {
/* append left chars in pinbuf */
g_warning ("opencc_convert return failed");
out << (gunichar *) pinbuf;
break;
}
*poutbuf = L'\0';
out << m_buffer;
}
g_free (in_ucs4);
}
private:
opencc_t m_cc;
gunichar m_buffer[BUFFER_SIZE + 1];
};
void
TradSimpConverter::tradToSimp (const gchar *in, String &out)
{
static opencc cc;
cc.convert (in, out);
}
};
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