From a52ab741019342fbca0468e43a01deb44fa5f1bd Mon Sep 17 00:00:00 2001
From: dsinclair <dsinclair@chromium.org>
Date: Thu, 29 Sep 2016 13:59:29 -0700
Subject: Move core/fxcrt/include to core/fxcrt

BUG=pdfium:611

Review-Url: https://codereview.chromium.org/2382723003
---
 core/fxcrt/cfx_string_pool_template.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 core/fxcrt/cfx_string_pool_template.h

(limited to 'core/fxcrt/cfx_string_pool_template.h')

diff --git a/core/fxcrt/cfx_string_pool_template.h b/core/fxcrt/cfx_string_pool_template.h
new file mode 100644
index 0000000000..bfc1ce4bfb
--- /dev/null
+++ b/core/fxcrt/cfx_string_pool_template.h
@@ -0,0 +1,30 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// 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_CFX_STRING_POOL_TEMPLATE_H_
+#define CORE_FXCRT_CFX_STRING_POOL_TEMPLATE_H_
+
+#include <unordered_set>
+
+#include "core/fxcrt/fx_string.h"
+
+template <typename StringType>
+class CFX_StringPoolTemplate {
+ public:
+  StringType Intern(const StringType& str) { return *m_Pool.insert(str).first; }
+  void Clear() { m_Pool.clear(); }
+
+ private:
+  std::unordered_set<StringType> m_Pool;
+};
+
+using CFX_ByteStringPool = CFX_StringPoolTemplate<CFX_ByteString>;
+using CFX_WideStringPool = CFX_StringPoolTemplate<CFX_WideString>;
+
+extern template class CFX_StringPoolTemplate<CFX_ByteString>;
+extern template class CFX_StringPoolTemplate<CFX_WideString>;
+
+#endif  // CORE_FXCRT_CFX_STRING_POOL_TEMPLATE_H_
-- 
cgit v1.2.3