Lab_1 0.1.1
Matrix Library
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gtest-string.h
1// Copyright 2005, Google Inc.
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met:
7//
8// * Redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
14// * Neither the name of Google Inc. nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30// The Google C++ Testing and Mocking Framework (Google Test)
31//
32// This header file declares the String class and functions used internally by
33// Google Test. They are subject to change without notice. They should not used
34// by code external to Google Test.
35//
36// This header file is #included by gtest-internal.h.
37// It should not be #included by other files.
38
39// IWYU pragma: private, include "gtest/gtest.h"
40// IWYU pragma: friend gtest/.*
41// IWYU pragma: friend gmock/.*
42
43#ifndef GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
44#define GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
45
46#ifdef __BORLANDC__
47// string.h is not guaranteed to provide strcpy on C++ Builder.
48#include <mem.h>
49#endif
50
51#include <string.h>
52
53#include <cstdint>
54#include <string>
55
56#include "gtest/internal/gtest-port.h"
57
58namespace testing {
59namespace internal {
60
61// String - an abstract class holding static string utilities.
62class GTEST_API_ String {
63 public:
64 // Static utility methods
65
66 // Clones a 0-terminated C string, allocating memory using new. The
67 // caller is responsible for deleting the return value using
68 // delete[]. Returns the cloned string, or NULL if the input is
69 // NULL.
70 //
71 // This is different from strdup() in string.h, which allocates
72 // memory using malloc().
73 static const char* CloneCString(const char* c_str);
74
75#if GTEST_OS_WINDOWS_MOBILE
76 // Windows CE does not have the 'ANSI' versions of Win32 APIs. To be
77 // able to pass strings to Win32 APIs on CE we need to convert them
78 // to 'Unicode', UTF-16.
79
80 // Creates a UTF-16 wide string from the given ANSI string, allocating
81 // memory using new. The caller is responsible for deleting the return
82 // value using delete[]. Returns the wide string, or NULL if the
83 // input is NULL.
84 //
85 // The wide string is created using the ANSI codepage (CP_ACP) to
86 // match the behaviour of the ANSI versions of Win32 calls and the
87 // C runtime.
88 static LPCWSTR AnsiToUtf16(const char* c_str);
89
90 // Creates an ANSI string from the given wide string, allocating
91 // memory using new. The caller is responsible for deleting the return
92 // value using delete[]. Returns the ANSI string, or NULL if the
93 // input is NULL.
94 //
95 // The returned string is created using the ANSI codepage (CP_ACP) to
96 // match the behaviour of the ANSI versions of Win32 calls and the
97 // C runtime.
98 static const char* Utf16ToAnsi(LPCWSTR utf16_str);
99#endif
100
101 // Compares two C strings. Returns true if and only if they have the same
102 // content.
103 //
104 // Unlike strcmp(), this function can handle NULL argument(s). A
105 // NULL C string is considered different to any non-NULL C string,
106 // including the empty string.
107 static bool CStringEquals(const char* lhs, const char* rhs);
108
109 // Converts a wide C string to a String using the UTF-8 encoding.
110 // NULL will be converted to "(null)". If an error occurred during
111 // the conversion, "(failed to convert from wide string)" is
112 // returned.
113 static std::string ShowWideCString(const wchar_t* wide_c_str);
114
115 // Compares two wide C strings. Returns true if and only if they have the
116 // same content.
117 //
118 // Unlike wcscmp(), this function can handle NULL argument(s). A
119 // NULL C string is considered different to any non-NULL C string,
120 // including the empty string.
121 static bool WideCStringEquals(const wchar_t* lhs, const wchar_t* rhs);
122
123 // Compares two C strings, ignoring case. Returns true if and only if
124 // they have the same content.
125 //
126 // Unlike strcasecmp(), this function can handle NULL argument(s).
127 // A NULL C string is considered different to any non-NULL C string,
128 // including the empty string.
129 static bool CaseInsensitiveCStringEquals(const char* lhs, const char* rhs);
130
131 // Compares two wide C strings, ignoring case. Returns true if and only if
132 // they have the same content.
133 //
134 // Unlike wcscasecmp(), this function can handle NULL argument(s).
135 // A NULL C string is considered different to any non-NULL wide C string,
136 // including the empty string.
137 // NB: The implementations on different platforms slightly differ.
138 // On windows, this method uses _wcsicmp which compares according to LC_CTYPE
139 // environment variable. On GNU platform this method uses wcscasecmp
140 // which compares according to LC_CTYPE category of the current locale.
141 // On MacOS X, it uses towlower, which also uses LC_CTYPE category of the
142 // current locale.
143 static bool CaseInsensitiveWideCStringEquals(const wchar_t* lhs,
144 const wchar_t* rhs);
145
146 // Returns true if and only if the given string ends with the given suffix,
147 // ignoring case. Any string is considered to end with an empty suffix.
148 static bool EndsWithCaseInsensitive(const std::string& str,
149 const std::string& suffix);
150
151 // Formats an int value as "%02d".
152 static std::string FormatIntWidth2(int value); // "%02d" for width == 2
153
154 // Formats an int value to given width with leading zeros.
155 static std::string FormatIntWidthN(int value, int width);
156
157 // Formats an int value as "%X".
158 static std::string FormatHexInt(int value);
159
160 // Formats an int value as "%X".
161 static std::string FormatHexUInt32(uint32_t value);
162
163 // Formats a byte as "%02X".
164 static std::string FormatByte(unsigned char value);
165
166 private:
167 String(); // Not meant to be instantiated.
168}; // class String
169
170// Gets the content of the stringstream's buffer as an std::string. Each '\0'
171// character in the buffer is replaced with "\\0".
172GTEST_API_ std::string StringStreamToString(::std::stringstream* stream);
173
174} // namespace internal
175} // namespace testing
176
177#endif // GOOGLETEST_INCLUDE_GTEST_INTERNAL_GTEST_STRING_H_
Definition gtest-string.h:62