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/*
* libpinyin
* Library to deal with pinyin.
*
* Copyright (C) 2016 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 PHRASE_LARGE_TABLE3_BDB_H
#define PHRASE_LARGE_TABLE3_BDB_H
#include <db.h>
namespace pinyin{
class PhraseTableEntry;
class PhraseLargeTable3{
private:
/* member variables. */
DB * m_db;
protected:
PhraseTableEntry * m_entry;
void reset();
public:
PhraseLargeTable3();
~PhraseLargeTable3(){
reset();
}
/* attach method */
bool attach(const char * dbfile, guint32 flags);
bool sync() {
assert(NULL != m_db);
m_db->sync(m_db, 0);
return true;
}
#if 0
/* load/store method */
/* use in-memory DBM here, for better performance. */
bool load_db(const char * filename);
bool store_db(const char * new_filename);
#endif
bool load_text(FILE * infile);
/* search method */
int search(int phrase_length, /* in */ const ucs4_t phrase[],
/* out */ PhraseTokens tokens) const;
/* add_index/remove_index method */
int add_index(int phrase_length, /* in */ const ucs4_t phrase[], /* in */ phrase_token_t token);
int remove_index(int phrase_length, /* in */ const ucs4_t phrase[], /* in */ phrase_token_t token);
/* mask out method */
bool mask_out(phrase_token_t mask, phrase_token_t value);
};
};
#endif
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