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Side by Side Diff: base/string_number_conversions.h

Issue 10699040: Relaunch Chrome in metro-mode with the help of a helper process. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 5 months ago
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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 #ifndef BASE_STRING_NUMBER_CONVERSIONS_H_ 5 #ifndef BASE_STRING_NUMBER_CONVERSIONS_H_
6 #define BASE_STRING_NUMBER_CONVERSIONS_H_ 6 #define BASE_STRING_NUMBER_CONVERSIONS_H_
7 7
8 #include <string> 8 #include <string>
9 #include <vector> 9 #include <vector>
10 10
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34 34
35 BASE_EXPORT std::string UintToString(unsigned value); 35 BASE_EXPORT std::string UintToString(unsigned value);
36 BASE_EXPORT string16 UintToString16(unsigned value); 36 BASE_EXPORT string16 UintToString16(unsigned value);
37 37
38 BASE_EXPORT std::string Int64ToString(int64 value); 38 BASE_EXPORT std::string Int64ToString(int64 value);
39 BASE_EXPORT string16 Int64ToString16(int64 value); 39 BASE_EXPORT string16 Int64ToString16(int64 value);
40 40
41 BASE_EXPORT std::string Uint64ToString(uint64 value); 41 BASE_EXPORT std::string Uint64ToString(uint64 value);
42 BASE_EXPORT string16 Uint64ToString16(uint64 value); 42 BASE_EXPORT string16 Uint64ToString16(uint64 value);
43 43
44 BASE_EXPORT std::string PointerToString(void* value);
45 BASE_EXPORT string16 PointerToString16(void* value);
46
44 // DoubleToString converts the double to a string format that ignores the 47 // DoubleToString converts the double to a string format that ignores the
45 // locale. If you want to use locale specific formatting, use ICU. 48 // locale. If you want to use locale specific formatting, use ICU.
46 BASE_EXPORT std::string DoubleToString(double value); 49 BASE_EXPORT std::string DoubleToString(double value);
47 50
48 // String -> number conversions ------------------------------------------------ 51 // String -> number conversions ------------------------------------------------
49 52
50 // Perform a best-effort conversion of the input string to a numeric type, 53 // Perform a best-effort conversion of the input string to a numeric type,
51 // setting |*output| to the result of the conversion. Returns true for 54 // setting |*output| to the result of the conversion. Returns true for
52 // "perfect" conversions; returns false in the following cases: 55 // "perfect" conversions; returns false in the following cases:
53 // - Overflow/underflow. |*output| will be set to the maximum value supported 56 // - Overflow/underflow. |*output| will be set to the maximum value supported
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64 67
65 BASE_EXPORT bool StringToUint(const StringPiece& input, unsigned* output); 68 BASE_EXPORT bool StringToUint(const StringPiece& input, unsigned* output);
66 BASE_EXPORT bool StringToUint(const StringPiece16& input, unsigned* output); 69 BASE_EXPORT bool StringToUint(const StringPiece16& input, unsigned* output);
67 70
68 BASE_EXPORT bool StringToInt64(const StringPiece& input, int64* output); 71 BASE_EXPORT bool StringToInt64(const StringPiece& input, int64* output);
69 BASE_EXPORT bool StringToInt64(const StringPiece16& input, int64* output); 72 BASE_EXPORT bool StringToInt64(const StringPiece16& input, int64* output);
70 73
71 BASE_EXPORT bool StringToUint64(const StringPiece& input, uint64* output); 74 BASE_EXPORT bool StringToUint64(const StringPiece& input, uint64* output);
72 BASE_EXPORT bool StringToUint64(const StringPiece16& input, uint64* output); 75 BASE_EXPORT bool StringToUint64(const StringPiece16& input, uint64* output);
73 76
77 BASE_EXPORT bool StringToPointer(const StringPiece& input, void** output);
78 BASE_EXPORT bool StringToPointer(const StringPiece16& input, void** output);
79
74 BASE_EXPORT bool StringToSizeT(const StringPiece& input, size_t* output); 80 BASE_EXPORT bool StringToSizeT(const StringPiece& input, size_t* output);
75 BASE_EXPORT bool StringToSizeT(const StringPiece16& input, size_t* output); 81 BASE_EXPORT bool StringToSizeT(const StringPiece16& input, size_t* output);
76 82
77 // For floating-point conversions, only conversions of input strings in decimal 83 // For floating-point conversions, only conversions of input strings in decimal
78 // form are defined to work. Behavior with strings representing floating-point 84 // form are defined to work. Behavior with strings representing floating-point
79 // numbers in hexadecimal, and strings representing non-fininte values (such as 85 // numbers in hexadecimal, and strings representing non-fininte values (such as
80 // NaN and inf) is undefined. Otherwise, these behave the same as the integral 86 // NaN and inf) is undefined. Otherwise, these behave the same as the integral
81 // variants. This expects the input string to NOT be specific to the locale. 87 // variants. This expects the input string to NOT be specific to the locale.
82 // If your input is locale specific, use ICU to read the number. 88 // If your input is locale specific, use ICU to read the number.
83 BASE_EXPORT bool StringToDouble(const std::string& input, double* output); 89 BASE_EXPORT bool StringToDouble(const std::string& input, double* output);
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99 // |*output| will contain as many bytes as were successfully parsed prior to the 105 // |*output| will contain as many bytes as were successfully parsed prior to the
100 // error. There is no overflow, but input.size() must be evenly divisible by 2. 106 // error. There is no overflow, but input.size() must be evenly divisible by 2.
101 // Leading 0x or +/- are not allowed. 107 // Leading 0x or +/- are not allowed.
102 BASE_EXPORT bool HexStringToBytes(const std::string& input, 108 BASE_EXPORT bool HexStringToBytes(const std::string& input,
103 std::vector<uint8>* output); 109 std::vector<uint8>* output);
104 110
105 } // namespace base 111 } // namespace base
106 112
107 #endif // BASE_STRING_NUMBER_CONVERSIONS_H_ 113 #endif // BASE_STRING_NUMBER_CONVERSIONS_H_
108 114
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