128 lines
3.3 KiB
C++
128 lines
3.3 KiB
C++
/*
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* Created by Phil on 8/5/2012.
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* Copyright 2012 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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#ifndef TWOBLUECUBES_CATCH_TOSTRING_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_TOSTRING_HPP_INCLUDED
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#include "catch_common.h"
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#include <sstream>
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namespace Catch
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{
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namespace Detail
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{
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struct NonStreamable {
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template<typename T> NonStreamable( const T& ){}
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};
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// If the type does not have its own << overload for ostream then
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// this one will be used instead
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inline std::ostream& operator << ( std::ostream& ss, NonStreamable ){
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return ss << "{?}";
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}
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template<typename T>
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inline std::string makeString( const T& value ) {
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std::ostringstream oss;
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oss << value;
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return oss.str();
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}
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template<typename T>
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inline std::string makeString( T* p ) {
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if( !p )
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return INTERNAL_CATCH_STRINGIFY( NULL );
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std::ostringstream oss;
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oss << p;
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return oss.str();
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}
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template<typename T>
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inline std::string makeString( const T* p ) {
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if( !p )
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return INTERNAL_CATCH_STRINGIFY( NULL );
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std::ostringstream oss;
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oss << p;
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return oss.str();
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}
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} // end namespace Detail
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/// \brief converts any type to a string
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///
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/// The default template forwards on to ostringstream - except when an
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/// ostringstream overload does not exist - in which case it attempts to detect
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/// that and writes {?}.
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/// Overload (not specialise) this template for custom typs that you don't want
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/// to provide an ostream overload for.
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template<typename T>
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std::string toString( const T& value ) {
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return Detail::makeString( value );
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}
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// Built in overloads
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inline std::string toString( const std::string& value ) {
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return "\"" + value + "\"";
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}
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inline std::string toString( const std::wstring& value ) {
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std::ostringstream oss;
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oss << "\"";
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for(size_t i = 0; i < value.size(); ++i )
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oss << static_cast<char>( value[i] <= 0xff ? value[i] : '?');
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oss << "\"";
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return oss.str();
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}
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inline std::string toString( const char* const value ) {
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return value ? Catch::toString( std::string( value ) ) : std::string( "{null string}" );
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}
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inline std::string toString( char* const value ) {
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return Catch::toString( static_cast<const char*>( value ) );
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}
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inline std::string toString( int value ) {
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std::ostringstream oss;
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oss << value;
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return oss.str();
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}
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inline std::string toString( unsigned long value ) {
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std::ostringstream oss;
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if( value > 8192 )
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oss << "0x" << std::hex << value;
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else
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oss << value;
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return oss.str();
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}
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inline std::string toString( unsigned int value ) {
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return toString( static_cast<unsigned long>( value ) );
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}
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inline std::string toString( const double value ) {
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std::ostringstream oss;
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oss << value;
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return oss.str();
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}
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inline std::string toString( bool value ) {
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return value ? "true" : "false";
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}
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#ifdef CATCH_CONFIG_CPP11_NULLPTR
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inline std::string toString( std::nullptr_t null ) {
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return "nullptr";
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}
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#endif
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} // end namespace Catch
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#endif // TWOBLUECUBES_CATCH_TOSTRING_HPP_INCLUDED
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