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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 TOOLS_GN_SOURCE_FILE_H_ | 5 #ifndef TOOLS_GN_SOURCE_FILE_H_ |
6 #define TOOLS_GN_SOURCE_FILE_H_ | 6 #define TOOLS_GN_SOURCE_FILE_H_ |
7 | 7 |
| 8 #include <algorithm> |
8 #include <string> | 9 #include <string> |
9 | 10 |
10 #include "base/containers/hash_tables.h" | 11 #include "base/containers/hash_tables.h" |
11 #include "base/files/file_path.h" | 12 #include "base/files/file_path.h" |
12 #include "base/logging.h" | 13 #include "base/logging.h" |
13 #include "base/strings/string_piece.h" | 14 #include "base/strings/string_piece.h" |
14 | 15 |
15 class SourceDir; | 16 class SourceDir; |
16 | 17 |
17 // Represents a file within the source tree. Always begins in a slash, never | 18 // Represents a file within the source tree. Always begins in a slash, never |
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62 bool operator==(const SourceFile& other) const { | 63 bool operator==(const SourceFile& other) const { |
63 return value_ == other.value_; | 64 return value_ == other.value_; |
64 } | 65 } |
65 bool operator!=(const SourceFile& other) const { | 66 bool operator!=(const SourceFile& other) const { |
66 return !operator==(other); | 67 return !operator==(other); |
67 } | 68 } |
68 bool operator<(const SourceFile& other) const { | 69 bool operator<(const SourceFile& other) const { |
69 return value_ < other.value_; | 70 return value_ < other.value_; |
70 } | 71 } |
71 | 72 |
| 73 void swap(SourceFile& other) { |
| 74 value_.swap(other.value_); |
| 75 } |
| 76 |
72 private: | 77 private: |
73 friend class SourceDir; | 78 friend class SourceDir; |
74 | 79 |
75 std::string value_; | 80 std::string value_; |
76 | 81 |
77 // Copy & assign supported. | 82 // Copy & assign supported. |
78 }; | 83 }; |
79 | 84 |
80 namespace BASE_HASH_NAMESPACE { | 85 namespace BASE_HASH_NAMESPACE { |
81 | 86 |
82 #if defined(COMPILER_GCC) | 87 #if defined(COMPILER_GCC) |
83 template<> struct hash<SourceFile> { | 88 template<> struct hash<SourceFile> { |
84 std::size_t operator()(const SourceFile& v) const { | 89 std::size_t operator()(const SourceFile& v) const { |
85 hash<std::string> h; | 90 hash<std::string> h; |
86 return h(v.value()); | 91 return h(v.value()); |
87 } | 92 } |
88 }; | 93 }; |
89 #elif defined(COMPILER_MSVC) | 94 #elif defined(COMPILER_MSVC) |
90 inline size_t hash_value(const SourceFile& v) { | 95 inline size_t hash_value(const SourceFile& v) { |
91 return hash_value(v.value()); | 96 return hash_value(v.value()); |
92 } | 97 } |
93 #endif // COMPILER... | 98 #endif // COMPILER... |
94 | 99 |
95 } // namespace BASE_HASH_NAMESPACE | 100 } // namespace BASE_HASH_NAMESPACE |
96 | 101 |
| 102 inline void swap(SourceFile& lhs, SourceFile& rhs) { |
| 103 lhs.swap(rhs); |
| 104 } |
| 105 |
97 #endif // TOOLS_GN_SOURCE_FILE_H_ | 106 #endif // TOOLS_GN_SOURCE_FILE_H_ |
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