catch2/include/internal/catch_console_colour_impl.hpp

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/*
* Created by Phil on 25/2/2012.
* Copyright 2012 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_CONSOLE_COLOUR_IMPL_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_CONSOLE_COLOUR_IMPL_HPP_INCLUDED
#include "catch_console_colour.hpp"
namespace Catch { namespace Detail {
struct IColourImpl {
virtual ~IColourImpl() {}
virtual void use( Colour::Code _colourCode ) = 0;
};
}}
#if defined ( CATCH_PLATFORM_WINDOWS ) /////////////////////////////////////////
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#ifndef NOMINMAX
#define NOMINMAX
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#endif
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#ifdef __AFXDLL
#include <AfxWin.h>
#else
#include <windows.h>
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#endif
namespace Catch {
namespace {
class Win32ColourImpl : public Detail::IColourImpl {
public:
Win32ColourImpl() : stdoutHandle( GetStdHandle(STD_OUTPUT_HANDLE) )
{
CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
GetConsoleScreenBufferInfo( stdoutHandle, &csbiInfo );
originalAttributes = csbiInfo.wAttributes;
}
virtual void use( Colour::Code _colourCode ) {
switch( _colourCode ) {
case Colour::None: return setTextAttribute( originalAttributes );
case Colour::White: return setTextAttribute( FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE );
case Colour::Red: return setTextAttribute( FOREGROUND_RED );
case Colour::Green: return setTextAttribute( FOREGROUND_GREEN );
case Colour::Blue: return setTextAttribute( FOREGROUND_BLUE );
case Colour::Cyan: return setTextAttribute( FOREGROUND_BLUE | FOREGROUND_GREEN );
case Colour::Yellow: return setTextAttribute( FOREGROUND_RED | FOREGROUND_GREEN );
case Colour::Grey: return setTextAttribute( 0 );
case Colour::LightGrey: return setTextAttribute( FOREGROUND_INTENSITY );
case Colour::BrightRed: return setTextAttribute( FOREGROUND_INTENSITY | FOREGROUND_RED );
case Colour::BrightGreen: return setTextAttribute( FOREGROUND_INTENSITY | FOREGROUND_GREEN );
case Colour::BrightWhite: return setTextAttribute( FOREGROUND_INTENSITY | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE );
case Colour::Bright: throw std::logic_error( "not a colour" );
}
}
private:
void setTextAttribute( WORD _textAttribute ) {
SetConsoleTextAttribute( stdoutHandle, _textAttribute );
}
HANDLE stdoutHandle;
WORD originalAttributes;
};
inline bool shouldUseColourForPlatform() {
return true;
}
static Detail::IColourImpl* platformColourInstance() {
static Win32ColourImpl s_instance;
return &s_instance;
}
} // end anon namespace
} // end namespace Catch
#else // Not Windows - assumed to be POSIX compatible //////////////////////////
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#include <unistd.h>
namespace Catch {
namespace {
// use POSIX/ ANSI console terminal codes
// Thanks to Adam Strzelecki for original contribution
// (http://github.com/nanoant)
// https://github.com/philsquared/Catch/pull/131
class PosixColourImpl : public Detail::IColourImpl {
public:
virtual void use( Colour::Code _colourCode ) {
switch( _colourCode ) {
case Colour::None:
case Colour::White: return setColour( "[0m" );
case Colour::Red: return setColour( "[0;31m" );
case Colour::Green: return setColour( "[0;32m" );
case Colour::Blue: return setColour( "[0:34m" );
case Colour::Cyan: return setColour( "[0;36m" );
case Colour::Yellow: return setColour( "[0;33m" );
case Colour::Grey: return setColour( "[1;30m" );
case Colour::LightGrey: return setColour( "[0;37m" );
case Colour::BrightRed: return setColour( "[1;31m" );
case Colour::BrightGreen: return setColour( "[1;32m" );
case Colour::BrightWhite: return setColour( "[1;37m" );
case Colour::Bright: throw std::logic_error( "not a colour" );
}
}
private:
void setColour( const char* _escapeCode ) {
std::cout << '\033' << _escapeCode;
}
};
inline bool shouldUseColourForPlatform() {
return isatty(STDOUT_FILENO);
}
static Detail::IColourImpl* platformColourInstance() {
static PosixColourImpl s_instance;
return &s_instance;
}
} // end anon namespace
} // end namespace Catch
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#endif // not Windows
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namespace Catch {
namespace {
struct NoColourImpl : Detail::IColourImpl {
void use( Colour::Code ) {}
static IColourImpl* instance() {
static NoColourImpl s_instance;
return &s_instance;
}
};
static bool shouldUseColour() {
return shouldUseColourForPlatform() && !isDebuggerActive();
}
}
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Colour::Colour( Code _colourCode ) : m_moved( false ) { use( _colourCode ); }
Colour::Colour( Colour const& _other ) : m_moved( false ) { const_cast<Colour&>( _other ).m_moved = true; }
Colour::~Colour(){ if( !m_moved ) use( None ); }
void Colour::use( Code _colourCode ) {
impl()->use( _colourCode );
}
Detail::IColourImpl* Colour::impl() {
return shouldUseColour()
? platformColourInstance()
: NoColourImpl::instance();
}
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} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_CONSOLE_COLOUR_IMPL_HPP_INCLUDED