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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "components/query_parser/snippet.h" | 5 #include "components/query_parser/snippet.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <memory> | 10 #include <memory> |
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203 static_cast<int32_t>(i->second), | 203 static_cast<int32_t>(i->second), |
204 &utf8_pos, &utf16_pos); | 204 &utf8_pos, &utf16_pos); |
205 } | 205 } |
206 } | 206 } |
207 | 207 |
208 Snippet::Snippet() { | 208 Snippet::Snippet() { |
209 } | 209 } |
210 | 210 |
211 Snippet::Snippet(const Snippet& other) = default; | 211 Snippet::Snippet(const Snippet& other) = default; |
212 | 212 |
| 213 // TODO(bug 706963) this should be implemented as "= default" when Android |
| 214 // toolchain is updated. |
| 215 Snippet::Snippet(Snippet&& other) noexcept |
| 216 : text_(std::move(other.text_)), matches_(std::move(other.matches_)) {} |
| 217 |
213 Snippet::~Snippet() { | 218 Snippet::~Snippet() { |
214 } | 219 } |
215 | 220 |
| 221 Snippet& Snippet::operator=(const Snippet&) = default; |
| 222 |
216 void Snippet::ComputeSnippet(const MatchPositions& match_positions, | 223 void Snippet::ComputeSnippet(const MatchPositions& match_positions, |
217 const std::string& document) { | 224 const std::string& document) { |
218 // The length of snippets we try to produce. | 225 // The length of snippets we try to produce. |
219 // We can generate longer snippets but stop once we cross kSnippetMaxLength. | 226 // We can generate longer snippets but stop once we cross kSnippetMaxLength. |
220 const size_t kSnippetMaxLength = 200; | 227 const size_t kSnippetMaxLength = 200; |
221 const base::string16 kEllipsis = base::ASCIIToUTF16(" ... "); | 228 const base::string16 kEllipsis = base::ASCIIToUTF16(" ... "); |
222 | 229 |
223 UText* document_utext = NULL; | 230 UText* document_utext = NULL; |
224 UErrorCode status = U_ZERO_ERROR; | 231 UErrorCode status = U_ZERO_ERROR; |
225 document_utext = utext_openUTF8(document_utext, document.data(), | 232 document_utext = utext_openUTF8(document_utext, document.data(), |
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298 utext_close(document_utext); | 305 utext_close(document_utext); |
299 swap(text_, snippet); | 306 swap(text_, snippet); |
300 } | 307 } |
301 | 308 |
302 void Snippet::Swap(Snippet* other) { | 309 void Snippet::Swap(Snippet* other) { |
303 text_.swap(other->text_); | 310 text_.swap(other->text_); |
304 matches_.swap(other->matches_); | 311 matches_.swap(other->matches_); |
305 } | 312 } |
306 | 313 |
307 } // namespace query_parser | 314 } // namespace query_parser |
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