/src/abseil-cpp/absl/log/internal/check_op.cc
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1 | | // Copyright 2022 The Abseil Authors. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); |
4 | | // you may not use this file except in compliance with the License. |
5 | | // You may obtain a copy of the License at |
6 | | // |
7 | | // https://www.apache.org/licenses/LICENSE-2.0 |
8 | | // |
9 | | // Unless required by applicable law or agreed to in writing, software |
10 | | // distributed under the License is distributed on an "AS IS" BASIS, |
11 | | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | | // See the License for the specific language governing permissions and |
13 | | // limitations under the License. |
14 | | |
15 | | #include "absl/log/internal/check_op.h" |
16 | | |
17 | | #include <string.h> |
18 | | |
19 | | #include <ostream> |
20 | | |
21 | | #include "absl/strings/string_view.h" |
22 | | |
23 | | #ifdef _MSC_VER |
24 | | #define strcasecmp _stricmp |
25 | | #else |
26 | | #include <strings.h> // for strcasecmp, but msvc does not have this header |
27 | | #endif |
28 | | |
29 | | #include <sstream> |
30 | | #include <string> |
31 | | |
32 | | #include "absl/base/config.h" |
33 | | #include "absl/strings/str_cat.h" |
34 | | |
35 | | namespace absl { |
36 | | ABSL_NAMESPACE_BEGIN |
37 | | namespace log_internal { |
38 | | |
39 | | #define ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(x) \ |
40 | | template std::string* MakeCheckOpString(x, x, const char*) |
41 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(bool); |
42 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(int64_t); |
43 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(uint64_t); |
44 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(float); |
45 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(double); |
46 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(char); |
47 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(unsigned char); |
48 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(const std::string&); |
49 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(const absl::string_view&); |
50 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(const char*); |
51 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(const signed char*); |
52 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(const unsigned char*); |
53 | | ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING(const void*); |
54 | | #undef ABSL_LOGGING_INTERNAL_DEFINE_MAKE_CHECK_OP_STRING |
55 | | |
56 | 0 | CheckOpMessageBuilder::CheckOpMessageBuilder(const char* exprtext) { |
57 | 0 | stream_ << exprtext << " ("; |
58 | 0 | } |
59 | | |
60 | 0 | std::ostream& CheckOpMessageBuilder::ForVar2() { |
61 | 0 | stream_ << " vs. "; |
62 | 0 | return stream_; |
63 | 0 | } |
64 | | |
65 | 0 | std::string* CheckOpMessageBuilder::NewString() { |
66 | 0 | stream_ << ")"; |
67 | 0 | return new std::string(stream_.str()); |
68 | 0 | } |
69 | | |
70 | 0 | void MakeCheckOpValueString(std::ostream& os, const char v) { |
71 | 0 | if (v >= 32 && v <= 126) { |
72 | 0 | os << "'" << v << "'"; |
73 | 0 | } else { |
74 | 0 | os << "char value " << int{v}; |
75 | 0 | } |
76 | 0 | } |
77 | | |
78 | 0 | void MakeCheckOpValueString(std::ostream& os, const signed char v) { |
79 | 0 | if (v >= 32 && v <= 126) { |
80 | 0 | os << "'" << v << "'"; |
81 | 0 | } else { |
82 | 0 | os << "signed char value " << int{v}; |
83 | 0 | } |
84 | 0 | } |
85 | | |
86 | 0 | void MakeCheckOpValueString(std::ostream& os, const unsigned char v) { |
87 | 0 | if (v >= 32 && v <= 126) { |
88 | 0 | os << "'" << v << "'"; |
89 | 0 | } else { |
90 | 0 | os << "unsigned char value " << int{v}; |
91 | 0 | } |
92 | 0 | } |
93 | | |
94 | 0 | void MakeCheckOpValueString(std::ostream& os, const void* p) { |
95 | 0 | if (p == nullptr) { |
96 | 0 | os << "(null)"; |
97 | 0 | } else { |
98 | 0 | os << p; |
99 | 0 | } |
100 | 0 | } |
101 | | |
102 | | // Helper functions for string comparisons. |
103 | | #define DEFINE_CHECK_STROP_IMPL(name, func, expected) \ |
104 | | std::string* Check##func##expected##Impl(const char* s1, const char* s2, \ |
105 | 0 | const char* exprtext) { \ |
106 | 0 | bool equal = s1 == s2 || (s1 && s2 && !func(s1, s2)); \ |
107 | 0 | if (equal == expected) { \ |
108 | 0 | return nullptr; \ |
109 | 0 | } else { \ |
110 | 0 | return new std::string( \ |
111 | 0 | absl::StrCat(exprtext, " (", s1, " vs. ", s2, ")")); \ |
112 | 0 | } \ |
113 | 0 | } Unexecuted instantiation: absl::log_internal::CheckstrcmptrueImpl(char const*, char const*, char const*) Unexecuted instantiation: absl::log_internal::CheckstrcmpfalseImpl(char const*, char const*, char const*) Unexecuted instantiation: absl::log_internal::CheckstrcasecmptrueImpl(char const*, char const*, char const*) Unexecuted instantiation: absl::log_internal::CheckstrcasecmpfalseImpl(char const*, char const*, char const*) |
114 | | DEFINE_CHECK_STROP_IMPL(CHECK_STREQ, strcmp, true) |
115 | | DEFINE_CHECK_STROP_IMPL(CHECK_STRNE, strcmp, false) |
116 | | DEFINE_CHECK_STROP_IMPL(CHECK_STRCASEEQ, strcasecmp, true) |
117 | | DEFINE_CHECK_STROP_IMPL(CHECK_STRCASENE, strcasecmp, false) |
118 | | #undef DEFINE_CHECK_STROP_IMPL |
119 | | |
120 | | namespace detect_specialization { |
121 | | |
122 | 0 | StringifySink::StringifySink(std::ostream& os) : os_(os) {} |
123 | | |
124 | 0 | void StringifySink::Append(absl::string_view text) { os_ << text; } |
125 | | |
126 | 0 | void StringifySink::Append(size_t length, char ch) { |
127 | 0 | for (size_t i = 0; i < length; ++i) os_.put(ch); |
128 | 0 | } |
129 | | |
130 | 0 | void AbslFormatFlush(StringifySink* sink, absl::string_view text) { |
131 | 0 | sink->Append(text); |
132 | 0 | } |
133 | | |
134 | | } // namespace detect_specialization |
135 | | |
136 | | } // namespace log_internal |
137 | | ABSL_NAMESPACE_END |
138 | | } // namespace absl |