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_CONVERTER_SEGMENTER_H_ 31 #define MOZC_CONVERTER_SEGMENTER_H_ 32 33 #include "base/port.h" 34 35 namespace mozc { 36 37 class DataManagerInterface; 38 struct Node; 39 40 class Segmenter { 41 public: 42 static Segmenter *CreateFromDataManager( 43 const DataManagerInterface &data_manager); 44 45 // This class does not take the ownership of pointer parameters. 46 Segmenter(size_t l_num_elements, size_t r_num_elements, 47 const uint16 *l_table, const uint16 *r_table, 48 size_t bitarray_num_bytes, const char *bitarray_data, 49 const uint16 *boundary_data); 50 ~Segmenter(); 51 52 bool IsBoundary(const Node &lnode, const Node &rnode, 53 bool is_single_segment) const; 54 bool IsBoundary(uint16 rid, uint16 lid) const; 55 int32 GetPrefixPenalty(uint16 lid) const; 56 int32 GetSuffixPenalty(uint16 rid) const; 57 58 private: 59 const size_t l_num_elements_; 60 const size_t r_num_elements_; 61 const uint16 *l_table_; 62 const uint16 *r_table_; 63 const size_t bitarray_num_bytes_; 64 const char *bitarray_data_; 65 const uint16 *boundary_data_; 66 67 DISALLOW_COPY_AND_ASSIGN(Segmenter); 68 }; 69 70 } // namespace mozc 71 72 #endif // MOZC_CONVERTER_SEGMENTER_H_ 73