forked from catchorg/Catch2
bcaa2f9646
In reality, this is a relatively small performance improvement, especially with the previous improvements removing lots of superfluous string handling, but still was measurable.
110 lines
2.7 KiB
C++
110 lines
2.7 KiB
C++
/*
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* Created by Phil on 17/01/2011.
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* Copyright 2011 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*
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*/
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#ifndef TWOBLUECUBES_CATCH_STREAM_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_STREAM_HPP_INCLUDED
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#include "catch_stream.h"
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#include "catch_debugger.h"
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#include <stdexcept>
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#include <cstdio>
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#include <iostream>
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namespace Catch {
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template<typename WriterF, size_t bufferSize=256>
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class StreamBufImpl : public StreamBufBase {
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char data[bufferSize];
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WriterF m_writer;
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public:
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StreamBufImpl() {
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setp( data, data + sizeof(data) );
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}
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~StreamBufImpl() CATCH_NOEXCEPT {
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sync();
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}
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private:
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int overflow( int c ) {
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sync();
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if( c != EOF ) {
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if( pbase() == epptr() )
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m_writer( std::string( 1, static_cast<char>( c ) ) );
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else
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sputc( static_cast<char>( c ) );
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}
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return 0;
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}
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int sync() {
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if( pbase() != pptr() ) {
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m_writer( std::string( pbase(), static_cast<std::string::size_type>( pptr() - pbase() ) ) );
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setp( pbase(), epptr() );
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}
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return 0;
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}
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};
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///////////////////////////////////////////////////////////////////////////
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FileStream::FileStream( std::string const& filename ) {
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m_ofs.open( filename.c_str() );
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if( m_ofs.fail() ) {
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std::ostringstream oss;
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oss << "Unable to open file: '" << filename << '\'';
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throw std::domain_error( oss.str() );
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}
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}
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std::ostream& FileStream::stream() const {
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return m_ofs;
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}
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struct OutputDebugWriter {
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void operator()( std::string const&str ) {
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writeToDebugConsole( str );
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}
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};
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DebugOutStream::DebugOutStream()
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: m_streamBuf( new StreamBufImpl<OutputDebugWriter>() ),
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m_os( m_streamBuf.get() )
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{}
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std::ostream& DebugOutStream::stream() const {
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return m_os;
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}
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// Store the streambuf from cout up-front because
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// cout may get redirected when running tests
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CoutStream::CoutStream()
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: m_os( Catch::cout().rdbuf() )
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{}
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std::ostream& CoutStream::stream() const {
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return m_os;
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}
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#ifndef CATCH_CONFIG_NOSTDOUT // If you #define this you must implement these functions
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std::ostream& cout() {
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return std::cout;
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}
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std::ostream& cerr() {
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return std::cerr;
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}
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#endif
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}
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#endif // TWOBLUECUBES_CATCH_STREAM_HPP_INCLUDED
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