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/*
* libpinyin
* Library to deal with pinyin.
*
* Copyright (C) 2011 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PINYIN_CUSTOM_H
#define PINYIN_CUSTOM_H
namespace pinyin{
/**
* @brief enums of pinyin ambiguities.
*
* Some pinyin element maybe confused by somebody,
* We allow these ambiguities.
*/
enum PinyinAmbiguity
{
PINYIN_AmbAny= 0,
PINYIN_AmbCiChi,
PINYIN_AmbChiCi,
PINYIN_AmbZiZhi,
PINYIN_AmbZhiZi,
PINYIN_AmbSiShi,
PINYIN_AmbShiSi,
PINYIN_AmbLeNe,
PINYIN_AmbNeLe,
PINYIN_AmbFoHe,
PINYIN_AmbHeFo,
PINYIN_AmbLeRi,
PINYIN_AmbRiLe,
PINYIN_AmbKeGe,
PINYIN_AmbGeKe,
PINYIN_AmbAnAng,
PINYIN_AmbAngAn,
PINYIN_AmbEnEng,
PINYIN_AmbEngEn,
PINYIN_AmbInIng,
PINYIN_AmbIngIn,
PINYIN_AmbLast = PINYIN_AmbIngIn
};
/**
* @brief Structure to hold pinyin custom settings.
*
* user can custom the behavor of libpinyin by these settings.
*/
struct PinyinCustomSettings
{
bool use_incomplete;
/**< allow incomplete pinyin key which only has inital. */
bool use_ambiguities [PINYIN_AmbLast + 1];
/**< allow ambiguous pinyin elements or not. */
PinyinCustomSettings ()
:use_incomplete (true)
{
for (size_t i=0; i<=PINYIN_AmbLast; ++i)
use_ambiguities [i] = false;
}
void set_use_incomplete (bool use) { use_incomplete = use; }
void set_use_ambiguities (PinyinAmbiguity amb, bool use)
{
if (amb == PINYIN_AmbAny)
for (size_t i=0; i<=PINYIN_AmbLast; ++i) use_ambiguities [i] = use;
else {
use_ambiguities [0] = false;
use_ambiguities [static_cast<size_t>(amb)] = use;
for (size_t i=1; i<=PINYIN_AmbLast; ++i)
if (use_ambiguities [i]) {
use_ambiguities [0] = true;
break;
}
}
}
bool operator == (const PinyinCustomSettings &rhs) const
{
if (use_incomplete != rhs.use_incomplete)
return false;
for (size_t i=0; i <= PINYIN_AmbLast; ++i)
if (use_ambiguities [i] != rhs.use_ambiguities [i])
return false;
return true;
}
bool operator != (const PinyinCustomSettings &rhs) const
{
return !(*this == rhs);
}
guint32 to_value () const
{
guint32 val = 0;
if (use_incomplete) val |= 1;
for (size_t i=0; i <= PINYIN_AmbLast; ++i)
if (use_ambiguities [i])
val |= (1 << (i+1));
return val;
}
void from_value (guint32 val)
{
use_incomplete = ((val & 1) != 0);
for (size_t i=0; i <= PINYIN_AmbLast; ++i)
use_ambiguities [i] = ((val & (1 << (i+1))) != 0);
}
};
};
#endif
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