1 // Copyright 2010-2018, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 #ifndef MOZC_REWRITER_USER_BOUNDARY_HISTORY_REWRITER_H_ 31 #define MOZC_REWRITER_USER_BOUNDARY_HISTORY_REWRITER_H_ 32 33 #include <memory> 34 #include <string> 35 #include <vector> 36 37 #include "base/port.h" 38 #include "rewriter/rewriter_interface.h" 39 40 namespace mozc { 41 42 class ConversionRequest; 43 class ConverterInterface; 44 class Segment; 45 class Segments; 46 47 namespace storage { 48 class LRUStorage; 49 } // namespace storage 50 51 class UserBoundaryHistoryRewriter : public RewriterInterface { 52 public: 53 explicit UserBoundaryHistoryRewriter( 54 const ConverterInterface *parent_converter); 55 virtual ~UserBoundaryHistoryRewriter(); 56 57 virtual bool Rewrite(const ConversionRequest &request, 58 Segments *segments) const; 59 60 virtual void Finish(const ConversionRequest &request, Segments *segments); 61 62 virtual bool Reload(); 63 64 virtual void Clear(); 65 66 private: 67 bool ResizeOrInsert(Segments *segments, const ConversionRequest &request, 68 int type) const; 69 70 const ConverterInterface *parent_converter_; 71 std::unique_ptr<mozc::storage::LRUStorage> storage_; 72 }; 73 74 } // namespace mozc 75 76 #endif // MOZC_REWRITER_USER_BOUNDARY_HISTORY_REWRITER_H_ 77