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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 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 CHEWING_KEY_H
#define CHEWING_KEY_H
#include <glib.h>
#include "chewing_enum.h"
using namespace pinyin;
G_BEGIN_DECLS
/** @file chewing_key.h
* @brief the definitions of chewing key related classes and structs.
*/
/** Note: The parsed pinyins are stored in the following two
* GArrays to speed up chewing table lookup.
* As the chewing large table only contains information of struct ChewingKey.
*/
struct _ChewingKey
{
guint16 m_initial : 5;
guint16 m_middle : 2;
guint16 m_final : 5;
guint16 m_tone : 3;
guint16 m_zero_padding : 1;
_ChewingKey() {
m_initial = CHEWING_ZERO_INITIAL;
m_middle = CHEWING_ZERO_MIDDLE;
m_final = CHEWING_ZERO_FINAL;
m_tone = CHEWING_ZERO_TONE;
m_zero_padding = 0;
}
_ChewingKey(ChewingInitial initial, ChewingMiddle middle,
ChewingFinal final) {
m_initial = initial;
m_middle = middle;
m_final = final;
m_tone = CHEWING_ZERO_TONE;
m_zero_padding = 0;
}
public:
gint get_table_index();
/* Note: the return value should be freed by g_free. */
gchar * get_pinyin_string();
gchar * get_shengmu_string();
gchar * get_yunmu_string();
gchar * get_zhuyin_string();
gchar * get_luoma_pinyin_string();
gchar * get_secondary_zhuyin_string();
};
typedef struct _ChewingKey ChewingKey;
static inline bool operator == (ChewingKey lhs, ChewingKey rhs) {
if (lhs.m_initial != rhs.m_initial)
return false;
if (lhs.m_middle != rhs.m_middle)
return false;
if (lhs.m_final != rhs.m_final)
return false;
if (lhs.m_tone != rhs.m_tone)
return false;
return true;
}
static inline bool operator != (ChewingKey lhs, ChewingKey rhs) {
return !(lhs == rhs);
}
struct _ChewingKeyRest
{
/* Note: the table index is removed,
* Please use get_table_index in ChewingKey.
*/
guint16 m_raw_begin; /* the begin of the raw input. */
guint16 m_raw_end; /* the end of the raw input. */
_ChewingKeyRest() {
/* the 0th item in pinyin parser table is reserved for invalid. */
m_raw_begin = 0;
m_raw_end = 0;
}
guint16 length() {
return m_raw_end - m_raw_begin;
}
};
typedef struct _ChewingKeyRest ChewingKeyRest;
G_END_DECLS
#endif
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