mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2025-01-31 18:07:14 +01:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
151 lines
2.7 KiB
C++
151 lines
2.7 KiB
C++
//
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// StreamCopier.cpp
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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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// 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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#include "Poco/StreamCopier.h"
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#include "Poco/Buffer.h"
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namespace Poco {
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std::streamsize StreamCopier::copyStream(std::istream& istr, std::ostream& ostr, std::size_t bufferSize)
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{
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poco_assert (bufferSize > 0);
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Buffer<char> buffer(bufferSize);
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std::streamsize len = 0;
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istr.read(buffer.begin(), bufferSize);
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std::streamsize n = istr.gcount();
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while (n > 0)
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{
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len += n;
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ostr.write(buffer.begin(), n);
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if (istr && ostr)
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{
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istr.read(buffer.begin(), bufferSize);
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n = istr.gcount();
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}
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else n = 0;
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}
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return len;
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}
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#if defined(POCO_HAVE_INT64)
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Poco::UInt64 StreamCopier::copyStream64(std::istream& istr, std::ostream& ostr, std::size_t bufferSize)
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{
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poco_assert (bufferSize > 0);
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Buffer<char> buffer(bufferSize);
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Poco::UInt64 len = 0;
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istr.read(buffer.begin(), bufferSize);
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std::streamsize n = istr.gcount();
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while (n > 0)
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{
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len += n;
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ostr.write(buffer.begin(), n);
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if (istr && ostr)
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{
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istr.read(buffer.begin(), bufferSize);
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n = istr.gcount();
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}
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else n = 0;
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}
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return len;
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}
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#endif
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std::streamsize StreamCopier::copyToString(std::istream& istr, std::string& str, std::size_t bufferSize)
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{
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poco_assert (bufferSize > 0);
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Buffer<char> buffer(bufferSize);
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std::streamsize len = 0;
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istr.read(buffer.begin(), bufferSize);
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std::streamsize n = istr.gcount();
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while (n > 0)
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{
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len += n;
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str.append(buffer.begin(), static_cast<std::string::size_type>(n));
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if (istr)
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{
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istr.read(buffer.begin(), bufferSize);
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n = istr.gcount();
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}
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else n = 0;
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}
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return len;
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}
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#if defined(POCO_HAVE_INT64)
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Poco::UInt64 StreamCopier::copyToString64(std::istream& istr, std::string& str, std::size_t bufferSize)
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{
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poco_assert (bufferSize > 0);
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Buffer<char> buffer(bufferSize);
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Poco::UInt64 len = 0;
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istr.read(buffer.begin(), bufferSize);
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std::streamsize n = istr.gcount();
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while (n > 0)
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{
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len += n;
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str.append(buffer.begin(), static_cast<std::string::size_type>(n));
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if (istr)
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{
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istr.read(buffer.begin(), bufferSize);
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n = istr.gcount();
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}
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else n = 0;
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}
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return len;
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}
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#endif
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std::streamsize StreamCopier::copyStreamUnbuffered(std::istream& istr, std::ostream& ostr)
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{
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char c = 0;
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std::streamsize len = 0;
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istr.get(c);
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while (istr && ostr)
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{
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++len;
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ostr.put(c);
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istr.get(c);
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}
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return len;
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}
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#if defined(POCO_HAVE_INT64)
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Poco::UInt64 StreamCopier::copyStreamUnbuffered64(std::istream& istr, std::ostream& ostr)
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{
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char c = 0;
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Poco::UInt64 len = 0;
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istr.get(c);
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while (istr && ostr)
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{
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++len;
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ostr.put(c);
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istr.get(c);
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}
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return len;
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}
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#endif
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} // namespace Poco
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