59b516a118
The 3rdparty files are now compiled as part of the corresponding input method, so that the project files can be written without using platform specific linker flags.
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
/*
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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_ANDPY_INCLUDE_LPICACHE_H__
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#define PINYINIME_ANDPY_INCLUDE_LPICACHE_H__
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#include <stdlib.h>
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#include "./searchutility.h"
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#include "./spellingtrie.h"
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namespace ime_pinyin {
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// Used to cache LmaPsbItem list for half spelling ids.
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class LpiCache {
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private:
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static LpiCache *instance_;
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static const int kMaxLpiCachePerId = 15;
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LmaPsbItem *lpi_cache_;
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uint16 *lpi_cache_len_;
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public:
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LpiCache();
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~LpiCache();
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static LpiCache& get_instance();
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// Test if the LPI list of the given splid has been cached.
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// If splid is a full spelling id, it returns false, because we only cache
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// list for half ids.
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bool is_cached(uint16 splid);
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// Put LPI list to cahce. If the length of the list, lpi_num, is longer than
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// the cache buffer. the list will be truncated, and function returns the
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// maximum length of the cache buffer.
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// Note: splid must be a half id, and lpi_items must be not NULL. The
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// caller of this function should guarantee this.
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size_t put_cache(uint16 splid, LmaPsbItem lpi_items[], size_t lpi_num);
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// Get the cached list for the given half id.
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// Return the length of the cached buffer.
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// Note: splid must be a half id, and lpi_items must be not NULL. The
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// caller of this function should guarantee this.
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size_t get_cache(uint16 splid, LmaPsbItem lpi_items[], size_t lpi_max);
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};
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} // namespace
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#endif // PINYINIME_ANDPY_INCLUDE_LPICACHE_H__
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