| // 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: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // 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 |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "rewriter/normalization_rewriter.h" |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/logging.h" |
| #include "base/text_normalizer.h" |
| #include "base/util.h" |
| #include "converter/conversion_request.h" |
| #include "converter/segments.h" |
| |
| namespace mozc { |
| namespace { |
| |
| enum CandidateType { |
| CANDIDATE, |
| TRANSLITERATION |
| }; |
| |
| bool NormalizeCandidate(Segment::Candidate *candidate, |
| CandidateType type) { |
| DCHECK(candidate); |
| if (candidate->attributes & Segment::Candidate::USER_DICTIONARY) { |
| return false; |
| } |
| |
| string value, content_value; |
| switch (type) { |
| case CANDIDATE: |
| TextNormalizer::NormalizeCandidateText(candidate->value, &value); |
| TextNormalizer::NormalizeCandidateText(candidate->content_value, |
| &content_value); |
| break; |
| case TRANSLITERATION: |
| TextNormalizer::NormalizeTransliterationText(candidate->value, &value); |
| TextNormalizer::NormalizeTransliterationText(candidate->content_value, |
| &content_value); |
| break; |
| default: |
| LOG(ERROR) << "unkown type"; |
| return false; |
| } |
| |
| const bool modified = (content_value != candidate->content_value || |
| value != candidate->value); |
| candidate->value = value; |
| candidate->content_value = content_value; |
| |
| return modified; |
| } |
| } // namespace |
| |
| NormalizationRewriter::NormalizationRewriter() {} |
| |
| NormalizationRewriter::~NormalizationRewriter() {} |
| |
| int NormalizationRewriter::capability(const ConversionRequest &request) const { |
| return RewriterInterface::ALL; |
| } |
| |
| bool NormalizationRewriter::Rewrite(const ConversionRequest &request, |
| Segments *segments) const { |
| DCHECK(segments); |
| |
| bool modified = false; |
| for (size_t i = 0; i < segments->conversion_segments_size(); ++i) { |
| Segment *segment = segments->mutable_conversion_segment(i); |
| DCHECK(segment); |
| |
| // Meta candidate |
| for (size_t j = 0; j < segment->meta_candidates_size(); ++j) { |
| Segment::Candidate *candidate = |
| segment->mutable_candidate(-static_cast<int>(j)-1); |
| DCHECK(candidate); |
| modified |= NormalizeCandidate(candidate, TRANSLITERATION); |
| } |
| |
| // Regular candidate. |
| for (size_t j = 0; j < segment->candidates_size(); ++j) { |
| Segment::Candidate *candidate = segment->mutable_candidate(j); |
| DCHECK(candidate); |
| modified |= NormalizeCandidate(candidate, CANDIDATE); |
| } |
| } |
| |
| return modified; |
| } |
| } // namespace mozc |