Squashed 'src/cpp/websocketpp/' content from commit 1ec36a4

git-subtree-dir: src/cpp/websocketpp
git-subtree-split: 1ec36a47468a23f01754fa3a086874e13a4d52d9

src/shared_const_buffer.hpp

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+/*
+ * Copyright (c) 2011, Peter Thorson. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the WebSocket++ Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef SHARED_CONST_BUFFER_HPP
+#define SHARED_CONST_BUFFER_HPP
+
+
+#include <boost/asio.hpp>
+#include <boost/shared_ptr.hpp>
+
+#include <string>
+#include <vector>
+
+namespace websocketpp {
+
+class shared_const_buffer {
+public:
+    explicit shared_const_buffer(const std::string &data) : m_data(new std::vector<char>(data.begin(), data.end())),
+    m_buffer(boost::asio::buffer(*m_data)) {}
+public:
+    typedef boost::asio::const_buffer value_type;
+    typedef const boost::asio::const_buffer *const_iterator;
+    const boost::asio::const_buffer *begin() const { return &m_buffer; }
+    const boost::asio::const_buffer *end() const { return &m_buffer + 1; }
+private:
+    boost::shared_ptr< std::vector<char> > m_data;
+    boost::asio::const_buffer m_buffer;
+};
+
+} // namespace websocketpp
+
+#endif // SHARED_CONST_BUFFER_HPP