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1 /* | 1 /* |
2 * Copyright 2017 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2017 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_RTC_BASE_STRING_TO_NUMBER_H_ | 11 #ifndef WEBRTC_RTC_BASE_STRING_TO_NUMBER_H_ |
12 #define WEBRTC_RTC_BASE_STRING_TO_NUMBER_H_ | 12 #define WEBRTC_RTC_BASE_STRING_TO_NUMBER_H_ |
13 | 13 |
14 #include <string> | 14 #include <string> |
15 #include <limits> | 15 #include <limits> |
16 | 16 |
17 #include "webrtc/base/optional.h" | 17 #include "webrtc/rtc_base/optional.h" |
18 | 18 |
19 namespace rtc { | 19 namespace rtc { |
20 | 20 |
21 // This file declares a family of functions to parse integers from strings. | 21 // This file declares a family of functions to parse integers from strings. |
22 // The standard C library functions either fail to indicate errors (atoi, etc.) | 22 // The standard C library functions either fail to indicate errors (atoi, etc.) |
23 // or are a hassle to work with (strtol, sscanf, etc.). The standard C++ library | 23 // or are a hassle to work with (strtol, sscanf, etc.). The standard C++ library |
24 // functions (std::stoi, etc.) indicate errors by throwing exceptions, which | 24 // functions (std::stoi, etc.) indicate errors by throwing exceptions, which |
25 // are disabled in WebRTC. | 25 // are disabled in WebRTC. |
26 // | 26 // |
27 // Integers are parsed using one of the following functions: | 27 // Integers are parsed using one of the following functions: |
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92 // version. | 92 // version. |
93 template <typename T> | 93 template <typename T> |
94 auto StringToNumber(const std::string& str, int base = 10) | 94 auto StringToNumber(const std::string& str, int base = 10) |
95 -> decltype(StringToNumber<T>(str.c_str(), base)) { | 95 -> decltype(StringToNumber<T>(str.c_str(), base)) { |
96 return StringToNumber<T>(str.c_str(), base); | 96 return StringToNumber<T>(str.c_str(), base); |
97 } | 97 } |
98 | 98 |
99 } // namespace rtc | 99 } // namespace rtc |
100 | 100 |
101 #endif // WEBRTC_RTC_BASE_STRING_TO_NUMBER_H_ | 101 #endif // WEBRTC_RTC_BASE_STRING_TO_NUMBER_H_ |
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