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Side by Side Diff: core/fxcrt/cfx_string_pool_template.h

Issue 2382723003: Move core/fxcrt/include to core/fxcrt (Closed)
Patch Set: Rebase to master Created 4 years, 2 months ago
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1 // Copyright 2016 PDFium Authors. All rights reserved. 1 // Copyright 2016 PDFium 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 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 6
7 #ifndef CORE_FXCRT_INCLUDE_CFX_STRING_POOL_TEMPLATE_H_ 7 #ifndef CORE_FXCRT_CFX_STRING_POOL_TEMPLATE_H_
8 #define CORE_FXCRT_INCLUDE_CFX_STRING_POOL_TEMPLATE_H_ 8 #define CORE_FXCRT_CFX_STRING_POOL_TEMPLATE_H_
9 9
10 #include <unordered_set> 10 #include <unordered_set>
11 11
12 #include "core/fxcrt/include/fx_string.h" 12 #include "core/fxcrt/fx_string.h"
13 13
14 template <typename StringType> 14 template <typename StringType>
15 class CFX_StringPoolTemplate { 15 class CFX_StringPoolTemplate {
16 public: 16 public:
17 StringType Intern(const StringType& str) { return *m_Pool.insert(str).first; } 17 StringType Intern(const StringType& str) { return *m_Pool.insert(str).first; }
18 void Clear() { m_Pool.clear(); } 18 void Clear() { m_Pool.clear(); }
19 19
20 private: 20 private:
21 std::unordered_set<StringType> m_Pool; 21 std::unordered_set<StringType> m_Pool;
22 }; 22 };
23 23
24 using CFX_ByteStringPool = CFX_StringPoolTemplate<CFX_ByteString>; 24 using CFX_ByteStringPool = CFX_StringPoolTemplate<CFX_ByteString>;
25 using CFX_WideStringPool = CFX_StringPoolTemplate<CFX_WideString>; 25 using CFX_WideStringPool = CFX_StringPoolTemplate<CFX_WideString>;
26 26
27 extern template class CFX_StringPoolTemplate<CFX_ByteString>; 27 extern template class CFX_StringPoolTemplate<CFX_ByteString>;
28 extern template class CFX_StringPoolTemplate<CFX_WideString>; 28 extern template class CFX_StringPoolTemplate<CFX_WideString>;
29 29
30 #endif // CORE_FXCRT_INCLUDE_CFX_STRING_POOL_TEMPLATE_H_ 30 #endif // CORE_FXCRT_CFX_STRING_POOL_TEMPLATE_H_
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