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author | Peng Wu <alexepico@gmail.com> | 2016-01-26 15:51:29 +0800 |
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committer | Peng Wu <alexepico@gmail.com> | 2016-01-26 15:51:29 +0800 |
commit | c195ccfafdb0dee07e3ee04a04755a571bd474de (patch) | |
tree | 65714ce6e82e4341dc4192d59245a02500f3bbce | |
parent | b88fe953c5fabf900e58aa5be590d382d9bb0539 (diff) | |
download | libpinyin-c195ccfafdb0dee07e3ee04a04755a571bd474de.tar.gz libpinyin-c195ccfafdb0dee07e3ee04a04755a571bd474de.tar.xz libpinyin-c195ccfafdb0dee07e3ee04a04755a571bd474de.zip |
write phrase_large_table3_bdb.h
-rw-r--r-- | src/storage/phrase_large_table3_bdb.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/storage/phrase_large_table3_bdb.h b/src/storage/phrase_large_table3_bdb.h new file mode 100644 index 0000000..9992a7b --- /dev/null +++ b/src/storage/phrase_large_table3_bdb.h @@ -0,0 +1,67 @@ +/* + * 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef PHRASE_LARGE_TABLE3_BDB_H +#define PHRASE_LARGE_TABLE3_BDB_H + +namespace pinyin{ + +class PhraseTableEntry; + +class PhraseLargeTable3{ +protected: + /* member variables. */ + PhraseTableEntry * m_entry; + + void reset(); + +public: + PhraseLargeTable3(); + + ~PhraseLargeTable3(){ + reset(); + } + + /* load/store method */ + /* use in-memory DBM here, for better performance. */ + bool load(const char * filename); + + bool store(const char * new_filename); + + bool load_text(FILE * file); + + /* 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 |