| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
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| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| |
| #ifndef MOZC_REWRITER_FOCUS_CANDIDATE_REWRITER_H_ |
| #define MOZC_REWRITER_FOCUS_CANDIDATE_REWRITER_H_ |
| |
| #include "base/port.h" |
| #include "converter/segments.h" |
| #include "rewriter/rewriter_interface.h" |
| |
| namespace mozc { |
| |
| class ConversionRequest; |
| class DataManagerInterface; |
| class POSMatcher; |
| struct CounterSuffixEntry; |
| |
| class FocusCandidateRewriter : public RewriterInterface { |
| public: |
| explicit FocusCandidateRewriter(const DataManagerInterface *data_manager); |
| virtual ~FocusCandidateRewriter(); |
| |
| // Changed the focus of "segment_index"-th segment to be "candidate_index". |
| // The segments will be written according to pre-defined "actions". |
| // Currently, FocusSegmentValue() finds bracket/parentheses matching, e.g, |
| // When user chooses "(" in some candidate, corresponding close bracket ")" |
| // is automatically placed at the top. |
| bool Focus(Segments *segments, |
| size_t segment_index, |
| int candidate_index) const; |
| |
| virtual bool Rewrite(const ConversionRequest &request, |
| Segments *segments) const { |
| return false; |
| } |
| |
| private: |
| // Performs reranking of number candidates to make numbers consistent across |
| // multiple segments. |
| bool RerankNumberCandidates(Segments *segments, |
| size_t segment_index, |
| int candidate_index) const; |
| |
| // Finds an index of candidate in |seg| that matches the given number script |
| // type and suffix. Returns -1 if there's no candidate matching the |
| // condition. |
| int FindMatchingCandidates( |
| const Segment &seg, uint32 ref_script_type, StringPiece ref_suffix) const; |
| |
| // Parses the value of a candidate into number and counter suffix. |
| // Simultaneously checks the script type of number. Here, number candiate is |
| // defined to be the following pattern: |
| // * [数][助数詞][並立助詞]? (e.g., 一階, 二回, 3階や, etc.) |
| // Returns false if the value of candidate doesn't match the pattern. |
| bool ParseNumberCandidate(const Segment::Candidate &cand, |
| StringPiece* number, StringPiece* suffix, |
| uint32 *script_type) const; |
| |
| const CounterSuffixEntry *suffix_array_; |
| size_t suffix_array_size_; |
| const POSMatcher *pos_matcher_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FocusCandidateRewriter); |
| }; |
| |
| } // namespace mozc |
| |
| #endif // MOZC_REWRITER_FOCUS_CANDIDATE_REWRITER_H_ |