89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* Copyright 2011-2016 Danny Robson <danny@nerdcruft.net>
|
|
*/
|
|
|
|
#ifndef __UTIL_STREAM_HPP
|
|
#define __UTIL_STREAM_HPP
|
|
|
|
#include <iosfwd>
|
|
#include <iomanip>
|
|
#include <cstdint>
|
|
|
|
namespace util::stream {
|
|
namespace scoped {
|
|
#define SCOPED(NAME,TYPE) \
|
|
class NAME { \
|
|
public: \
|
|
explicit NAME (std::ios_base&); \
|
|
~NAME (); \
|
|
\
|
|
private: \
|
|
std::ios_base &m_ios; \
|
|
TYPE m_state; \
|
|
}
|
|
|
|
SCOPED(flags, std::ios_base::fmtflags);
|
|
SCOPED(precision, std::streamsize);
|
|
SCOPED(width, std::streamsize);
|
|
|
|
#undef SCOPED
|
|
};
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
class null_streambuf : public std::basic_streambuf<char> {
|
|
public:
|
|
virtual ~null_streambuf () { ; }
|
|
};
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
class null_ostream : public std::basic_ostream<char> {
|
|
public:
|
|
virtual ~null_ostream () { ; }
|
|
|
|
std::ostream & put (char c);
|
|
std::ostream & write (const char *s, std::streamsize n);
|
|
|
|
std::streampos tellp (void);
|
|
std::ostream & seekp (std::streampos pos);
|
|
std::ostream & seekp (std::streamoff off,
|
|
std::ios_base::seekdir dir);
|
|
|
|
std::ostream & flush (void);
|
|
|
|
bool good (void) const;
|
|
bool bad (void) const;
|
|
bool eof (void) const;
|
|
bool fail (void) const;
|
|
};
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
struct bits {
|
|
bits (uintmax_t value, unsigned count);
|
|
|
|
uintmax_t value;
|
|
unsigned count;
|
|
};
|
|
|
|
|
|
//---------------------------------------------------------------------
|
|
std::ostream& operator<< (std::ostream&, bits);
|
|
}
|
|
|
|
|
|
#endif
|