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cos-cpp-sdk/third_party/include/Poco/Net/HTTPChunkedStream.h

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+//
+// HTTPChunkedStream.h
+//
+// Library: Net
+// Package: HTTP
+// Module:  HTTPChunkedStream
+//
+// Definition of the HTTPChunkedStream class.
+//
+// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#ifndef Net_HTTPChunkedStream_INCLUDED
+#define Net_HTTPChunkedStream_INCLUDED
+
+
+#include "Poco/Net/Net.h"
+#include "Poco/Net/HTTPBasicStreamBuf.h"
+#include "Poco/MemoryPool.h"
+#include <cstddef>
+#include <istream>
+#include <ostream>
+
+
+namespace Poco {
+namespace Net {
+
+
+class HTTPSession;
+
+
+class Net_API HTTPChunkedStreamBuf: public HTTPBasicStreamBuf
+	/// This is the streambuf class used for reading and writing
+	/// HTTP message bodies in chunked transfer coding.
+{
+public:
+	typedef HTTPBasicStreamBuf::openmode openmode;
+
+	HTTPChunkedStreamBuf(HTTPSession& session, openmode mode);
+	~HTTPChunkedStreamBuf();
+	void close();
+
+protected:
+	int readFromDevice(char* buffer, std::streamsize length);
+	int writeToDevice(const char* buffer, std::streamsize length);
+
+private:
+	HTTPSession&    _session;
+	openmode        _mode;
+	std::streamsize _chunk;
+	std::string     _chunkBuffer;
+};
+
+
+class Net_API HTTPChunkedIOS: public virtual std::ios
+	/// The base class for HTTPInputStream.
+{
+public:
+	HTTPChunkedIOS(HTTPSession& session, HTTPChunkedStreamBuf::openmode mode);
+	~HTTPChunkedIOS();
+	HTTPChunkedStreamBuf* rdbuf();
+
+protected:
+	HTTPChunkedStreamBuf _buf;
+};
+
+
+class Net_API HTTPChunkedInputStream: public HTTPChunkedIOS, public std::istream
+	/// This class is for internal use by HTTPSession only.
+{
+public:
+	HTTPChunkedInputStream(HTTPSession& session);
+	~HTTPChunkedInputStream();
+	
+	void* operator new(std::size_t size);
+	void operator delete(void* ptr);
+	
+private:
+	static Poco::MemoryPool _pool;
+};
+
+
+class Net_API HTTPChunkedOutputStream: public HTTPChunkedIOS, public std::ostream
+	/// This class is for internal use by HTTPSession only.
+{
+public:
+	HTTPChunkedOutputStream(HTTPSession& session);
+	~HTTPChunkedOutputStream();
+
+	void* operator new(std::size_t size);
+	void operator delete(void* ptr);
+	
+private:
+	static Poco::MemoryPool _pool;
+};
+
+
+} } // namespace Poco::Net
+
+
+#endif // Net_HTTPChunkedStream_INCLUDED