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88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
//
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// StreamCopier.h
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//
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// $Id: //poco/1.4/Foundation/include/Poco/StreamCopier.h#2 $
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//
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// Library: Foundation
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// Package: Streams
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// Module: StreamCopier
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//
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// Definition of class StreamCopier.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_StreamCopier_INCLUDED
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#define Foundation_StreamCopier_INCLUDED
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#include "Poco/Foundation.h"
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#include <istream>
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#include <ostream>
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#include <cstddef>
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namespace Poco {
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class Foundation_API StreamCopier
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/// This class provides static methods to copy the contents from one stream
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/// into another.
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{
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public:
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static std::streamsize copyStream(std::istream& istr, std::ostream& ostr, std::size_t bufferSize = 8192);
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/// Writes all bytes readable from istr to ostr, using an internal buffer.
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///
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/// Returns the number of bytes copied.
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#if defined(POCO_HAVE_INT64)
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static Poco::UInt64 copyStream64(std::istream& istr, std::ostream& ostr, std::size_t bufferSize = 8192);
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/// Writes all bytes readable from istr to ostr, using an internal buffer.
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///
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/// Returns the number of bytes copied as a 64-bit unsigned integer.
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///
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/// Note: the only difference to copyStream() is that a 64-bit unsigned
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/// integer is used to count the number of bytes copied.
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#endif
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static std::streamsize copyStreamUnbuffered(std::istream& istr, std::ostream& ostr);
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/// Writes all bytes readable from istr to ostr.
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///
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/// Returns the number of bytes copied.
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#if defined(POCO_HAVE_INT64)
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static Poco::UInt64 copyStreamUnbuffered64(std::istream& istr, std::ostream& ostr);
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/// Writes all bytes readable from istr to ostr.
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///
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/// Returns the number of bytes copied as a 64-bit unsigned integer.
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///
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/// Note: the only difference to copyStreamUnbuffered() is that a 64-bit unsigned
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/// integer is used to count the number of bytes copied.
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#endif
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static std::streamsize copyToString(std::istream& istr, std::string& str, std::size_t bufferSize = 8192);
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/// Appends all bytes readable from istr to the given string, using an internal buffer.
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///
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/// Returns the number of bytes copied.
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#if defined(POCO_HAVE_INT64)
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static Poco::UInt64 copyToString64(std::istream& istr, std::string& str, std::size_t bufferSize = 8192);
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/// Appends all bytes readable from istr to the given string, using an internal buffer.
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///
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/// Returns the number of bytes copied as a 64-bit unsigned integer.
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///
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/// Note: the only difference to copyToString() is that a 64-bit unsigned
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/// integer is used to count the number of bytes copied.
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#endif
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};
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} // namespace Poco
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#endif // Foundation_StreamCopier_INCLUDED
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