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| author | Peng Wu <alexepico@gmail.com> | 2012-08-28 11:13:53 +0800 |
|---|---|---|
| committer | Peng Wu <alexepico@gmail.com> | 2012-08-28 11:14:36 +0800 |
| commit | 7903b30fc6fdba5fc3ae9e0779e68179b5d12c21 (patch) | |
| tree | aa1db5eb74dec4b81c965d9ba2cfe370201d0f48 | |
| parent | c467718af4e0ba7bfcf162f690fb49a1b4d2621b (diff) | |
| download | libpinyin-7903b30fc6fdba5fc3ae9e0779e68179b5d12c21.tar.gz libpinyin-7903b30fc6fdba5fc3ae9e0779e68179b5d12c21.tar.xz libpinyin-7903b30fc6fdba5fc3ae9e0779e68179b5d12c21.zip | |
write add/remove index method in progress
| -rw-r--r-- | src/storage/phrase_large_table2.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/storage/phrase_large_table2.cpp b/src/storage/phrase_large_table2.cpp index e42b530..00c9a90 100644 --- a/src/storage/phrase_large_table2.cpp +++ b/src/storage/phrase_large_table2.cpp @@ -284,3 +284,86 @@ int PhraseBitmapIndexLevel2::remove_index(int phrase_length, return ERROR_REMOVE_ITEM_DONOT_EXISTS; } + +int PhraseLengthIndexLevel2::add_index(int phrase_length, + /* in */ ucs4_t phrase[], + /* in */ phrase_token_t token) { + if (phrase_length >= MAX_PHRASE_LENGTH) + return ERROR_PHRASE_TOO_LONG; + + if (m_phrase_array_indexes->len < phrase_length) + g_array_set_size(m_phrase_array_indexes, phrase_length); + +#define CASE(len) case len: \ + { \ + PhraseArrayIndexLevel2<len> * & array = g_array_index \ + (m_phrase_array_indexes, PhraseArrayIndexLevel2<len> *, len - 1); \ + if ( !array ) \ + array = new PhraseArrayIndexLevel2<len>; \ + return array->add_index(phrase, token); \ + } + + switch(phrase_length){ + CASE(1); + CASE(2); + CASE(3); + CASE(4); + CASE(5); + CASE(6); + CASE(7); + CASE(8); + CASE(9); + CASE(10); + CASE(11); + CASE(12); + CASE(13); + CASE(14); + CASE(15); + CASE(16); + default: + assert(false); + } + +#undef CASE +} + +int PhraseLengthIndexLevel2::remove_index(int phrase_length, + /* in */ ucs4_t phrase[], + /* in */ phrase_token_t token) { + if (phrase_length >= MAX_PHRASE_LENGTH) + return ERROR_PHRASE_TOO_LONG; + + if (m_phrase_array_indexes->len < phrase_length) + return ERROR_REMOVE_ITEM_DONOT_EXISTS; + +#define CASE(len) case len: \ + { \ + PhraseArrayIndexLevel2<len> * & array = g_array_index \ + (m_phrase_array_indexes, PhraseArrayIndexLevel2<len> *, len - 1); \ + if ( !array ) \ + return ERROR_REMOVE_ITEM_DONOT_EXISTS; \ + return array->remove_index(phrase, token); \ + } + + switch(phrase_length){ + CASE(1); + CASE(2); + CASE(3); + CASE(4); + CASE(5); + CASE(6); + CASE(7); + CASE(8); + CASE(9); + CASE(10); + CASE(11); + CASE(12); + CASE(13); + CASE(14); + CASE(15); + CASE(16); + default: + assert(false); + } +#undef CASE +} |