intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 213 insertions, 0 deletions

diff --git a/contrib/libs/poco/Net/src/HTTPChunkedStream.cpp b/contrib/libs/poco/Net/src/HTTPChunkedStream.cpp
new file mode 100644
index 0000000000..5e8da38b9e
--- /dev/null
+++ b/contrib/libs/poco/Net/src/HTTPChunkedStream.cpp
@@ -0,0 +1,213 @@
+//
+// HTTPChunkedStream.cpp
+//
+// Library: Net
+// Package: HTTP
+// Module:  HTTPChunkedStream
+//
+// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#include "Poco/Net/HTTPChunkedStream.h"
+#include "Poco/Net/HTTPSession.h"
+#include "Poco/NumberFormatter.h"
+#include "Poco/NumberParser.h"
+#include "Poco/Ascii.h"
+
+
+using Poco::NumberFormatter;
+using Poco::NumberParser;
+
+
+namespace Poco {
+namespace Net {
+
+
+//
+// HTTPChunkedStreamBuf
+//
+
+
+HTTPChunkedStreamBuf::HTTPChunkedStreamBuf(HTTPSession& session, openmode mode):
+	HTTPBasicStreamBuf(HTTPBufferAllocator::BUFFER_SIZE, mode),
+	_session(session),
+	_mode(mode),
+	_chunk(0)
+{
+}
+
+
+HTTPChunkedStreamBuf::~HTTPChunkedStreamBuf()
+{
+}
+
+
+void HTTPChunkedStreamBuf::close()
+{
+	if (_mode & std::ios::out)
+	{
+		sync();
+		_session.write("0\r\n\r\n", 5);
+	}
+}
+
+
+int HTTPChunkedStreamBuf::readFromDevice(char* buffer, std::streamsize length)
+{
+	static const int eof = std::char_traits<char>::eof();
+
+	if (_chunk == 0)
+	{
+		int ch = _session.get();
+		while (Poco::Ascii::isSpace(ch)) ch = _session.get();
+		std::string chunkLen;
+		while (Poco::Ascii::isHexDigit(ch) && chunkLen.size() < 8) { chunkLen += (char) ch; ch = _session.get(); }
+		if (ch != eof && !(Poco::Ascii::isSpace(ch) || ch == ';')) return eof;
+		while (ch != eof && ch != '\n') ch = _session.get();
+		unsigned chunk;
+		if (NumberParser::tryParseHex(chunkLen, chunk))
+			_chunk = (std::streamsize) chunk;
+		else
+			return eof;
+	}
+	if (_chunk > 0)
+	{
+		if (length > _chunk) length = _chunk;
+		int n = _session.read(buffer, length);
+		if (n > 0) _chunk -= n;
+		return n;
+	}
+	else 
+	{
+		int ch = _session.get();
+		while (ch != eof && ch != '\n') ch = _session.get();
+		return 0;
+	}
+}
+
+
+int HTTPChunkedStreamBuf::writeToDevice(const char* buffer, std::streamsize length)
+{
+	_chunkBuffer.clear();
+	NumberFormatter::appendHex(_chunkBuffer, length);
+	_chunkBuffer.append("\r\n", 2);
+	_chunkBuffer.append(buffer, static_cast<std::string::size_type>(length));
+	_chunkBuffer.append("\r\n", 2);
+	_session.write(_chunkBuffer.data(), static_cast<std::streamsize>(_chunkBuffer.size()));
+	return static_cast<int>(length);
+}
+
+
+//
+// HTTPChunkedIOS
+//
+
+
+HTTPChunkedIOS::HTTPChunkedIOS(HTTPSession& session, HTTPChunkedStreamBuf::openmode mode):
+	_buf(session, mode)
+{
+	poco_ios_init(&_buf);
+}
+
+
+HTTPChunkedIOS::~HTTPChunkedIOS()
+{
+	try
+	{
+		_buf.close();
+	}
+	catch (...)
+	{
+	}
+}
+
+
+HTTPChunkedStreamBuf* HTTPChunkedIOS::rdbuf()
+{
+	return &_buf;
+}
+
+
+//
+// HTTPChunkedInputStream
+//
+
+
+Poco::MemoryPool HTTPChunkedInputStream::_pool(sizeof(HTTPChunkedInputStream));
+
+
+HTTPChunkedInputStream::HTTPChunkedInputStream(HTTPSession& session):
+	HTTPChunkedIOS(session, std::ios::in),
+	std::istream(&_buf)
+{
+}
+
+
+HTTPChunkedInputStream::~HTTPChunkedInputStream()
+{
+}
+
+
+void* HTTPChunkedInputStream::operator new(std::size_t /*size*/)
+{
+	return _pool.get();
+}
+
+
+void HTTPChunkedInputStream::operator delete(void* ptr)
+{
+	try
+	{
+		_pool.release(ptr);
+	}
+	catch (...)
+	{
+		poco_unexpected();
+	}
+}
+
+
+//
+// HTTPChunkedOutputStream
+//
+
+
+Poco::MemoryPool HTTPChunkedOutputStream::_pool(sizeof(HTTPChunkedOutputStream));
+
+
+HTTPChunkedOutputStream::HTTPChunkedOutputStream(HTTPSession& session):
+	HTTPChunkedIOS(session, std::ios::out),
+	std::ostream(&_buf)
+{
+}
+
+
+HTTPChunkedOutputStream::~HTTPChunkedOutputStream()
+{
+}
+
+
+void* HTTPChunkedOutputStream::operator new(std::size_t /*size*/)
+{
+	return _pool.get();
+}
+
+
+void HTTPChunkedOutputStream::operator delete(void* ptr)
+{
+	try
+	{
+		_pool.release(ptr);
+	}
+	catch (...)
+	{
+		poco_unexpected();
+	}
+}
+
+
+} } // namespace Poco::Net