| // Copyright 2016 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| #ifndef CORE_FXCRT_STRING_POOL_TEMPLATE_H_ |
| #define CORE_FXCRT_STRING_POOL_TEMPLATE_H_ |
| #include "core/fxcrt/fx_string.h" |
| template <typename StringType> |
| class StringPoolTemplate { |
| StringType Intern(const StringType& str) { return *m_Pool.insert(str).first; } |
| void Clear() { m_Pool.clear(); } |
| std::unordered_set<StringType> m_Pool; |
| extern template class StringPoolTemplate<ByteString>; |
| extern template class StringPoolTemplate<WideString>; |
| using fxcrt::StringPoolTemplate; |
| using ByteStringPool = StringPoolTemplate<ByteString>; |
| using WideStringPool = StringPoolTemplate<WideString>; |
| #endif // CORE_FXCRT_STRING_POOL_TEMPLATE_H_ |