86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
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/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PINYINIME_INCLUDE_SYNC_H__
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#define PINYINIME_INCLUDE_SYNC_H__
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#define ___SYNC_ENABLED___
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#ifdef ___SYNC_ENABLED___
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#include "userdict.h"
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namespace ime_pinyin {
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// Class for user dictionary synchronization
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// This class is not thread safe
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// Normal invoking flow will be
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// begin() ->
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// put_lemmas() x N ->
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// {
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// get_lemmas() ->
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// [ get_last_got_count() ] ->
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// clear_last_got() ->
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// } x N ->
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// finish()
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class Sync {
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public:
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Sync();
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~Sync();
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static const int kUserDictMaxLemmaCount = 5000;
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static const int kUserDictMaxLemmaSize = 200000;
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static const int kUserDictRatio = 20;
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bool begin(const char * filename);
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// Merge lemmas downloaded from sync server into local dictionary
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// lemmas, lemmas string encoded in UTF16LE
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// len, length of lemmas string
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// Return how many lemmas merged successfully
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int put_lemmas(char16 * lemmas, int len);
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// Get local new user lemmas into UTF16LE string
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// str, buffer ptr to store new user lemmas
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// size, size of buffer
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// Return length of returned buffer in measure of UTF16LE
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int get_lemmas(char16 * str, int size);
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// Return lemmas count in last get_lemmas()
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int get_last_got_count();
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// Return total lemmas count need get_lemmas()
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int get_total_count();
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// Clear lemmas got by recent get_lemmas()
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void clear_last_got();
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void finish();
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int get_capacity();
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private:
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UserDict * userdict_;
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char * dictfile_;
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int last_count_;
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};
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}
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#endif
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#endif // PINYINIME_INCLUDE_SYNC_H__
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