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Side by Side Diff: base/string_number_conversions.h

Issue 7461141: Rename BASE_API to BASE_EXPORT. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 4 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 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
11 #include "base/base_api.h" 11 #include "base/base_export.h"
12 #include "base/basictypes.h" 12 #include "base/basictypes.h"
13 #include "base/string16.h" 13 #include "base/string16.h"
14 14
15 // ---------------------------------------------------------------------------- 15 // ----------------------------------------------------------------------------
16 // IMPORTANT MESSAGE FROM YOUR SPONSOR 16 // IMPORTANT MESSAGE FROM YOUR SPONSOR
17 // 17 //
18 // This file contains no "wstring" variants. New code should use string16. If 18 // This file contains no "wstring" variants. New code should use string16. If
19 // you need to make old code work, use the UTF8 version and convert. Please do 19 // you need to make old code work, use the UTF8 version and convert. Please do
20 // not add wstring variants. 20 // not add wstring variants.
21 // 21 //
22 // Please do not add "convenience" functions for converting strings to integers 22 // Please do not add "convenience" functions for converting strings to integers
23 // that return the value and ignore success/failure. That encourages people to 23 // that return the value and ignore success/failure. That encourages people to
24 // write code that doesn't properly handle the error conditions. 24 // write code that doesn't properly handle the error conditions.
25 // ---------------------------------------------------------------------------- 25 // ----------------------------------------------------------------------------
26 26
27 namespace base { 27 namespace base {
28 28
29 // Number -> string conversions ------------------------------------------------ 29 // Number -> string conversions ------------------------------------------------
30 30
31 BASE_API std::string IntToString(int value); 31 BASE_EXPORT std::string IntToString(int value);
32 BASE_API string16 IntToString16(int value); 32 BASE_EXPORT string16 IntToString16(int value);
33 33
34 BASE_API std::string UintToString(unsigned value); 34 BASE_EXPORT std::string UintToString(unsigned value);
35 BASE_API string16 UintToString16(unsigned value); 35 BASE_EXPORT string16 UintToString16(unsigned value);
36 36
37 BASE_API std::string Int64ToString(int64 value); 37 BASE_EXPORT std::string Int64ToString(int64 value);
38 BASE_API string16 Int64ToString16(int64 value); 38 BASE_EXPORT string16 Int64ToString16(int64 value);
39 39
40 BASE_API std::string Uint64ToString(uint64 value); 40 BASE_EXPORT std::string Uint64ToString(uint64 value);
41 BASE_API string16 Uint64ToString16(uint64 value); 41 BASE_EXPORT string16 Uint64ToString16(uint64 value);
42 42
43 // DoubleToString converts the double to a string format that ignores the 43 // DoubleToString converts the double to a string format that ignores the
44 // locale. If you want to use locale specific formatting, use ICU. 44 // locale. If you want to use locale specific formatting, use ICU.
45 BASE_API std::string DoubleToString(double value); 45 BASE_EXPORT std::string DoubleToString(double value);
46 46
47 // String -> number conversions ------------------------------------------------ 47 // String -> number conversions ------------------------------------------------
48 48
49 // Perform a best-effort conversion of the input string to a numeric type, 49 // Perform a best-effort conversion of the input string to a numeric type,
50 // setting |*output| to the result of the conversion. Returns true for 50 // setting |*output| to the result of the conversion. Returns true for
51 // "perfect" conversions; returns false in the following cases: 51 // "perfect" conversions; returns false in the following cases:
52 // - Overflow/underflow. |*output| will be set to the maximum value supported 52 // - Overflow/underflow. |*output| will be set to the maximum value supported
53 // by the data type. 53 // by the data type.
54 // - Trailing characters in the string after parsing the number. |*output| 54 // - Trailing characters in the string after parsing the number. |*output|
55 // will be set to the value of the number that was parsed. 55 // will be set to the value of the number that was parsed.
56 // - Leading whitespace in the string before parsing the number. |*output| will 56 // - Leading whitespace in the string before parsing the number. |*output| will
57 // be set to the value of the number that was parsed. 57 // be set to the value of the number that was parsed.
58 // - No characters parseable as a number at the beginning of the string. 58 // - No characters parseable as a number at the beginning of the string.
59 // |*output| will be set to 0. 59 // |*output| will be set to 0.
60 // - Empty string. |*output| will be set to 0. 60 // - Empty string. |*output| will be set to 0.
61 BASE_API bool StringToInt(const std::string& input, int* output); 61 BASE_EXPORT bool StringToInt(const std::string& input, int* output);
62 BASE_API bool StringToInt(std::string::const_iterator begin, 62 BASE_EXPORT bool StringToInt(std::string::const_iterator begin,
63 std::string::const_iterator end, 63 std::string::const_iterator end,
64 int* output); 64 int* output);
65 BASE_API bool StringToInt(const char* begin, const char* end, int* output); 65 BASE_EXPORT bool StringToInt(const char* begin, const char* end, int* output);
66 66
67 BASE_API bool StringToInt(const string16& input, int* output); 67 BASE_EXPORT bool StringToInt(const string16& input, int* output);
68 BASE_API bool StringToInt(string16::const_iterator begin, 68 BASE_EXPORT bool StringToInt(string16::const_iterator begin,
69 string16::const_iterator end, 69 string16::const_iterator end,
70 int* output); 70 int* output);
71 BASE_API bool StringToInt(const char16* begin, const char16* end, int* output); 71 BASE_EXPORT bool StringToInt(const char16* begin, const char16* end,
72 int* output);
72 73
73 BASE_API bool StringToInt64(const std::string& input, int64* output); 74 BASE_EXPORT bool StringToInt64(const std::string& input, int64* output);
74 BASE_API bool StringToInt64(std::string::const_iterator begin, 75 BASE_EXPORT bool StringToInt64(std::string::const_iterator begin,
75 std::string::const_iterator end, 76 std::string::const_iterator end,
76 int64* output); 77 int64* output);
77 BASE_API bool StringToInt64(const char* begin, const char* end, int64* output); 78 BASE_EXPORT bool StringToInt64(const char* begin, const char* end,
79 int64* output);
78 80
79 BASE_API bool StringToInt64(const string16& input, int64* output); 81 BASE_EXPORT bool StringToInt64(const string16& input, int64* output);
80 BASE_API bool StringToInt64(string16::const_iterator begin, 82 BASE_EXPORT bool StringToInt64(string16::const_iterator begin,
81 string16::const_iterator end, 83 string16::const_iterator end,
82 int64* output); 84 int64* output);
83 BASE_API bool StringToInt64(const char16* begin, const char16* end, 85 BASE_EXPORT bool StringToInt64(const char16* begin, const char16* end,
84 int64* output); 86 int64* output);
85 87
86 // For floating-point conversions, only conversions of input strings in decimal 88 // For floating-point conversions, only conversions of input strings in decimal
87 // form are defined to work. Behavior with strings representing floating-point 89 // form are defined to work. Behavior with strings representing floating-point
88 // numbers in hexadecimal, and strings representing non-fininte values (such as 90 // numbers in hexadecimal, and strings representing non-fininte values (such as
89 // NaN and inf) is undefined. Otherwise, these behave the same as the integral 91 // NaN and inf) is undefined. Otherwise, these behave the same as the integral
90 // variants. This expects the input string to NOT be specific to the locale. 92 // variants. This expects the input string to NOT be specific to the locale.
91 // If your input is locale specific, use ICU to read the number. 93 // If your input is locale specific, use ICU to read the number.
92 BASE_API bool StringToDouble(const std::string& input, double* output); 94 BASE_EXPORT bool StringToDouble(const std::string& input, double* output);
93 95
94 // Hex encoding ---------------------------------------------------------------- 96 // Hex encoding ----------------------------------------------------------------
95 97
96 // Returns a hex string representation of a binary buffer. The returned hex 98 // Returns a hex string representation of a binary buffer. The returned hex
97 // string will be in upper case. This function does not check if |size| is 99 // string will be in upper case. This function does not check if |size| is
98 // within reasonable limits since it's written with trusted data in mind. If 100 // within reasonable limits since it's written with trusted data in mind. If
99 // you suspect that the data you want to format might be large, the absolute 101 // you suspect that the data you want to format might be large, the absolute
100 // max size for |size| should be is 102 // max size for |size| should be is
101 // std::numeric_limits<size_t>::max() / 2 103 // std::numeric_limits<size_t>::max() / 2
102 BASE_API std::string HexEncode(const void* bytes, size_t size); 104 BASE_EXPORT std::string HexEncode(const void* bytes, size_t size);
103 105
104 // Best effort conversion, see StringToInt above for restrictions. 106 // Best effort conversion, see StringToInt above for restrictions.
105 BASE_API bool HexStringToInt(const std::string& input, int* output); 107 BASE_EXPORT bool HexStringToInt(const std::string& input, int* output);
106 BASE_API bool HexStringToInt(std::string::const_iterator begin, 108 BASE_EXPORT bool HexStringToInt(std::string::const_iterator begin,
107 std::string::const_iterator end, 109 std::string::const_iterator end,
108 int* output); 110 int* output);
109 BASE_API bool HexStringToInt(const char* begin, const char* end, int* output); 111 BASE_EXPORT bool HexStringToInt(const char* begin, const char* end,
112 int* output);
110 113
111 // Similar to the previous functions, except that output is a vector of bytes. 114 // Similar to the previous functions, except that output is a vector of bytes.
112 // |*output| will contain as many bytes as were successfully parsed prior to the 115 // |*output| will contain as many bytes as were successfully parsed prior to the
113 // error. There is no overflow, but input.size() must be evenly divisible by 2. 116 // error. There is no overflow, but input.size() must be evenly divisible by 2.
114 // Leading 0x or +/- are not allowed. 117 // Leading 0x or +/- are not allowed.
115 BASE_API bool HexStringToBytes(const std::string& input, 118 BASE_EXPORT bool HexStringToBytes(const std::string& input,
116 std::vector<uint8>* output); 119 std::vector<uint8>* output);
117 120
118 } // namespace base 121 } // namespace base
119 122
120 #endif // BASE_STRING_NUMBER_CONVERSIONS_H_ 123 #endif // BASE_STRING_NUMBER_CONVERSIONS_H_
121 124
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