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authororivej <orivej@yandex-team.ru>2022-02-10 16:44:49 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:44:49 +0300
commit718c552901d703c502ccbefdfc3c9028d608b947 (patch)
tree46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/poco/Foundation/include/Poco/UnbufferedStreamBuf.h
parente9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff)
downloadydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/poco/Foundation/include/Poco/UnbufferedStreamBuf.h')
-rw-r--r--contrib/libs/poco/Foundation/include/Poco/UnbufferedStreamBuf.h358
1 files changed, 179 insertions, 179 deletions
diff --git a/contrib/libs/poco/Foundation/include/Poco/UnbufferedStreamBuf.h b/contrib/libs/poco/Foundation/include/Poco/UnbufferedStreamBuf.h
index ed56cb83ec..9c0d87d715 100644
--- a/contrib/libs/poco/Foundation/include/Poco/UnbufferedStreamBuf.h
+++ b/contrib/libs/poco/Foundation/include/Poco/UnbufferedStreamBuf.h
@@ -1,179 +1,179 @@
-//
-// UnufferedStreamBuf.h
-//
-// Library: Foundation
-// Package: Streams
-// Module: StreamBuf
-//
-// Definition of template BasicUnbufferedStreamBuf and class UnbufferedStreamBuf.
-//
-// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
-// and Contributors.
-//
-// SPDX-License-Identifier: BSL-1.0
-//
-
-
-#ifndef Foundation_UnbufferedStreamBuf_INCLUDED
-#define Foundation_UnbufferedStreamBuf_INCLUDED
-
-
-#include "Poco/Foundation.h"
-#include "Poco/StreamUtil.h"
-#include <streambuf>
-#include <iosfwd>
-#include <ios>
-
-
-namespace Poco {
-
-
-template <typename ch, typename tr>
-class BasicUnbufferedStreamBuf: public std::basic_streambuf<ch, tr>
- /// This is an implementation of an unbuffered streambuf
- /// that greatly simplifies the implementation of
- /// custom streambufs of various kinds.
- /// Derived classes only have to override the methods
- /// readFromDevice() or writeToDevice().
-{
-protected:
- typedef std::basic_streambuf<ch, tr> Base;
- typedef std::basic_ios<ch, tr> IOS;
- typedef ch char_type;
- typedef tr char_traits;
- typedef typename Base::int_type int_type;
- typedef typename Base::pos_type pos_type;
- typedef typename Base::off_type off_type;
- typedef typename IOS::openmode openmode;
-
-public:
- BasicUnbufferedStreamBuf():
- _pb(char_traits::eof()),
- _ispb(false)
- {
- this->setg(0, 0, 0);
- this->setp(0, 0);
- }
-
- ~BasicUnbufferedStreamBuf()
- {
- }
-
- virtual int_type overflow(int_type c)
- {
- if (c != char_traits::eof())
- return writeToDevice(char_traits::to_char_type(c));
- else
- return c;
- }
-
- virtual int_type underflow()
- {
- if (_ispb)
- {
- return _pb;
- }
- else
- {
- int_type c = readFromDevice();
- if (c != char_traits::eof())
- {
- _ispb = true;
- _pb = c;
- }
- return c;
- }
- }
-
- virtual int_type uflow()
- {
- if (_ispb)
- {
- _ispb = false;
- return _pb;
- }
- else
- {
- int_type c = readFromDevice();
- if (c != char_traits::eof())
- {
- _pb = c;
- }
- return c;
- }
- }
-
- virtual int_type pbackfail(int_type c)
- {
- if (_ispb)
- {
- return char_traits::eof();
- }
- else
- {
- _ispb = true;
- _pb = c;
- return c;
- }
- }
-
- virtual std::streamsize xsgetn(char_type* p, std::streamsize count)
- /// Some platforms (for example, Compaq C++) have buggy implementations of
- /// xsgetn that handle null buffers incorrectly.
- /// Anyway, it does not hurt to provide an optimized implementation
- /// of xsgetn for this streambuf implementation.
- {
- std::streamsize copied = 0;
- while (count > 0)
- {
- int_type c = uflow();
- if (c == char_traits::eof()) break;
- *p++ = char_traits::to_char_type(c);
- ++copied;
- --count;
- }
- return copied;
- }
-
-protected:
- static int_type charToInt(char_type c)
- {
- return char_traits::to_int_type(c);
- }
-
-private:
- virtual int_type readFromDevice()
- {
- return char_traits::eof();
- }
-
- virtual int_type writeToDevice(char_type)
- {
- return char_traits::eof();
- }
-
- int_type _pb;
- bool _ispb;
-
- BasicUnbufferedStreamBuf(const BasicUnbufferedStreamBuf&);
- BasicUnbufferedStreamBuf& operator = (const BasicUnbufferedStreamBuf&);
-};
-
-
-//
-// We provide an instantiation for char.
-//
-// Visual C++ needs a workaround - explicitly importing the template
-// instantiation - to avoid duplicate symbols due to multiple
-// instantiations in different libraries.
-//
-#if defined(_MSC_VER) && defined(POCO_DLL) && !defined(Foundation_EXPORTS)
-template class Foundation_API BasicUnbufferedStreamBuf<char, std::char_traits<char> >;
-#endif
-typedef BasicUnbufferedStreamBuf<char, std::char_traits<char> > UnbufferedStreamBuf;
-
-
-} // namespace Poco
-
-
-#endif // Foundation_UnbufferedStreamBuf_INCLUDED
+//
+// UnufferedStreamBuf.h
+//
+// Library: Foundation
+// Package: Streams
+// Module: StreamBuf
+//
+// Definition of template BasicUnbufferedStreamBuf and class UnbufferedStreamBuf.
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier: BSL-1.0
+//
+
+
+#ifndef Foundation_UnbufferedStreamBuf_INCLUDED
+#define Foundation_UnbufferedStreamBuf_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include "Poco/StreamUtil.h"
+#include <streambuf>
+#include <iosfwd>
+#include <ios>
+
+
+namespace Poco {
+
+
+template <typename ch, typename tr>
+class BasicUnbufferedStreamBuf: public std::basic_streambuf<ch, tr>
+ /// This is an implementation of an unbuffered streambuf
+ /// that greatly simplifies the implementation of
+ /// custom streambufs of various kinds.
+ /// Derived classes only have to override the methods
+ /// readFromDevice() or writeToDevice().
+{
+protected:
+ typedef std::basic_streambuf<ch, tr> Base;
+ typedef std::basic_ios<ch, tr> IOS;
+ typedef ch char_type;
+ typedef tr char_traits;
+ typedef typename Base::int_type int_type;
+ typedef typename Base::pos_type pos_type;
+ typedef typename Base::off_type off_type;
+ typedef typename IOS::openmode openmode;
+
+public:
+ BasicUnbufferedStreamBuf():
+ _pb(char_traits::eof()),
+ _ispb(false)
+ {
+ this->setg(0, 0, 0);
+ this->setp(0, 0);
+ }
+
+ ~BasicUnbufferedStreamBuf()
+ {
+ }
+
+ virtual int_type overflow(int_type c)
+ {
+ if (c != char_traits::eof())
+ return writeToDevice(char_traits::to_char_type(c));
+ else
+ return c;
+ }
+
+ virtual int_type underflow()
+ {
+ if (_ispb)
+ {
+ return _pb;
+ }
+ else
+ {
+ int_type c = readFromDevice();
+ if (c != char_traits::eof())
+ {
+ _ispb = true;
+ _pb = c;
+ }
+ return c;
+ }
+ }
+
+ virtual int_type uflow()
+ {
+ if (_ispb)
+ {
+ _ispb = false;
+ return _pb;
+ }
+ else
+ {
+ int_type c = readFromDevice();
+ if (c != char_traits::eof())
+ {
+ _pb = c;
+ }
+ return c;
+ }
+ }
+
+ virtual int_type pbackfail(int_type c)
+ {
+ if (_ispb)
+ {
+ return char_traits::eof();
+ }
+ else
+ {
+ _ispb = true;
+ _pb = c;
+ return c;
+ }
+ }
+
+ virtual std::streamsize xsgetn(char_type* p, std::streamsize count)
+ /// Some platforms (for example, Compaq C++) have buggy implementations of
+ /// xsgetn that handle null buffers incorrectly.
+ /// Anyway, it does not hurt to provide an optimized implementation
+ /// of xsgetn for this streambuf implementation.
+ {
+ std::streamsize copied = 0;
+ while (count > 0)
+ {
+ int_type c = uflow();
+ if (c == char_traits::eof()) break;
+ *p++ = char_traits::to_char_type(c);
+ ++copied;
+ --count;
+ }
+ return copied;
+ }
+
+protected:
+ static int_type charToInt(char_type c)
+ {
+ return char_traits::to_int_type(c);
+ }
+
+private:
+ virtual int_type readFromDevice()
+ {
+ return char_traits::eof();
+ }
+
+ virtual int_type writeToDevice(char_type)
+ {
+ return char_traits::eof();
+ }
+
+ int_type _pb;
+ bool _ispb;
+
+ BasicUnbufferedStreamBuf(const BasicUnbufferedStreamBuf&);
+ BasicUnbufferedStreamBuf& operator = (const BasicUnbufferedStreamBuf&);
+};
+
+
+//
+// We provide an instantiation for char.
+//
+// Visual C++ needs a workaround - explicitly importing the template
+// instantiation - to avoid duplicate symbols due to multiple
+// instantiations in different libraries.
+//
+#if defined(_MSC_VER) && defined(POCO_DLL) && !defined(Foundation_EXPORTS)
+template class Foundation_API BasicUnbufferedStreamBuf<char, std::char_traits<char> >;
+#endif
+typedef BasicUnbufferedStreamBuf<char, std::char_traits<char> > UnbufferedStreamBuf;
+
+
+} // namespace Poco
+
+
+#endif // Foundation_UnbufferedStreamBuf_INCLUDED