catch2/include/internal/catch_stream.hpp
Phil Nash d43a47efca Refactored stream related stuff
- simpler, polymorphic hierarchy-based, approach
- less bitty conditionals spread across the code
- all resolved up-front so now config class is immutable
(it had evolved the way it was and in need of a clean-up sweep for a long time)
2015-09-29 19:23:06 +01:00

111 lines
2.7 KiB
C++

/*
* Created by Phil on 17/01/2011.
* Copyright 2011 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
*/
#ifndef TWOBLUECUBES_CATCH_STREAM_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_STREAM_HPP_INCLUDED
#include "catch_stream.h"
#include "catch_debugger.h"
#include <stdexcept>
#include <cstdio>
#include <iostream>
namespace Catch {
template<typename WriterF, size_t bufferSize=256>
class StreamBufImpl : public StreamBufBase {
char data[bufferSize];
WriterF m_writer;
public:
StreamBufImpl() {
setp( data, data + sizeof(data) );
}
~StreamBufImpl() CATCH_NOEXCEPT {
sync();
}
private:
int overflow( int c ) {
sync();
if( c != EOF ) {
if( pbase() == epptr() )
m_writer( std::string( 1, static_cast<char>( c ) ) );
else
sputc( static_cast<char>( c ) );
}
return 0;
}
int sync() {
if( pbase() != pptr() ) {
m_writer( std::string( pbase(), static_cast<std::string::size_type>( pptr() - pbase() ) ) );
setp( pbase(), epptr() );
}
return 0;
}
};
///////////////////////////////////////////////////////////////////////////
FileStream::FileStream( std::string const& filename ) {
m_ofs.open( filename.c_str() );
if( m_ofs.fail() ) {
std::ostringstream oss;
oss << "Unable to open file: '" << filename << "'";
throw std::domain_error( oss.str() );
}
}
std::ostream& FileStream::stream() const {
return m_ofs;
}
struct OutputDebugWriter {
void operator()( std::string const&str ) {
writeToDebugConsole( str );
}
};
DebugOutStream::DebugOutStream()
: m_streamBuf( new StreamBufImpl<OutputDebugWriter>() ),
m_os( m_streamBuf.get() )
{}
std::ostream& DebugOutStream::stream() const {
return m_os;
}
// Store the streambuf from cout up-front because
// cout may get redirected when running tests
CoutStream::CoutStream()
: m_os( Catch::cout().rdbuf() )
{}
std::ostream& CoutStream::stream() const {
return m_os;
}
#ifndef CATCH_CONFIG_NOSTDOUT // If you #define this you must implement this functions
std::ostream& cout() {
return std::cout;
}
std::ostream& cerr() {
return std::cerr;
}
#endif
}
#endif // TWOBLUECUBES_CATCH_STREAM_HPP_INCLUDED