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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "base/strings/string_split.h" | 5 #include "base/strings/string_split.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/strings/string_util.h" | 8 #include "base/strings/string_util.h" |
9 #include "base/third_party/icu/icu_utf.h" | 9 #include "base/third_party/icu/icu_utf.h" |
10 | 10 |
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121 if (begin_value_pos == StringPiece::npos) { | 121 if (begin_value_pos == StringPiece::npos) { |
122 DVLOG(1) << "cannot parse value from input: " << input; | 122 DVLOG(1) << "cannot parse value from input: " << input; |
123 return false; // No value. | 123 return false; // No value. |
124 } | 124 } |
125 remains.substr(begin_value_pos, remains.size() - begin_value_pos) | 125 remains.substr(begin_value_pos, remains.size() - begin_value_pos) |
126 .CopyToString(&result_pair.second); | 126 .CopyToString(&result_pair.second); |
127 | 127 |
128 return true; | 128 return true; |
129 } | 129 } |
130 | 130 |
131 template <typename Str> | 131 template <typename Str, typename OutputStringType> |
132 void SplitStringUsingSubstrT(BasicStringPiece<Str> input, | 132 void SplitStringUsingSubstrT(BasicStringPiece<Str> input, |
133 BasicStringPiece<Str> delimiter, | 133 BasicStringPiece<Str> delimiter, |
134 std::vector<Str>* result) { | 134 std::vector<OutputStringType>* result) { |
135 using Piece = BasicStringPiece<Str>; | 135 using Piece = BasicStringPiece<Str>; |
136 using size_type = typename Piece::size_type; | 136 using size_type = typename Piece::size_type; |
137 | 137 |
138 result->clear(); | 138 result->clear(); |
139 size_type begin_index = 0; | 139 size_type begin_index = 0; |
140 while (true) { | 140 while (true) { |
141 size_type end_index = input.find(delimiter, begin_index); | 141 size_type end_index = input.find(delimiter, begin_index); |
142 if (end_index == Piece::npos) { | 142 if (end_index == Piece::npos) { |
143 // No delimiter, use the rest of the string. | 143 // No delimiter, use the rest of the string. |
144 Piece term = TrimString(input.substr(begin_index), | 144 Piece term = TrimString(input.substr(begin_index), |
145 WhitespaceForType<Str>(), TRIM_ALL); | 145 WhitespaceForType<Str>(), TRIM_ALL); |
146 result->push_back(term.as_string()); | 146 result->push_back(PieceToOutputType<Str, OutputStringType>(term)); |
147 return; | 147 return; |
148 } | 148 } |
149 Piece term = TrimString(input.substr(begin_index, end_index - begin_index), | 149 Piece term = TrimString(input.substr(begin_index, end_index - begin_index), |
150 WhitespaceForType<Str>(), TRIM_ALL); | 150 WhitespaceForType<Str>(), TRIM_ALL); |
151 result->push_back(term.as_string()); | 151 result->push_back(PieceToOutputType<Str, OutputStringType>(term)); |
152 begin_index = end_index + delimiter.size(); | 152 begin_index = end_index + delimiter.size(); |
153 } | 153 } |
154 } | 154 } |
155 | 155 |
156 } // namespace | 156 } // namespace |
157 | 157 |
158 std::vector<std::string> SplitString(StringPiece input, | 158 std::vector<std::string> SplitString(StringPiece input, |
159 StringPiece separators, | 159 StringPiece separators, |
160 WhitespaceHandling whitespace, | 160 WhitespaceHandling whitespace, |
161 SplitResult result_type) { | 161 SplitResult result_type) { |
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230 std::vector<string16>* result) { | 230 std::vector<string16>* result) { |
231 SplitStringUsingSubstrT(input, delimiter, result); | 231 SplitStringUsingSubstrT(input, delimiter, result); |
232 } | 232 } |
233 | 233 |
234 void SplitStringUsingSubstr(StringPiece input, | 234 void SplitStringUsingSubstr(StringPiece input, |
235 StringPiece delimiter, | 235 StringPiece delimiter, |
236 std::vector<std::string>* result) { | 236 std::vector<std::string>* result) { |
237 SplitStringUsingSubstrT(input, delimiter, result); | 237 SplitStringUsingSubstrT(input, delimiter, result); |
238 } | 238 } |
239 | 239 |
240 std::vector<StringPiece16> SplitStringPieceUsingSubstr( | |
241 StringPiece16 input, | |
242 StringPiece16 delimiter) { | |
mef
2015/12/28 17:29:55
Would it make sense to take a pointer to an output
brettw
2015/12/29 04:07:14
Return value optimization should take care of this
mef
2015/12/30 19:36:58
Acknowledged.
| |
243 std::vector<StringPiece16> result; | |
244 SplitStringUsingSubstrT(input, delimiter, &result); | |
245 return result; | |
246 } | |
247 | |
248 std::vector<StringPiece> SplitStringPieceUsingSubstr(StringPiece input, | |
249 StringPiece delimiter) { | |
250 std::vector<StringPiece> result; | |
251 SplitStringUsingSubstrT(input, delimiter, &result); | |
252 return result; | |
253 } | |
254 | |
240 } // namespace base | 255 } // namespace base |
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