forked from boostorg/exception
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
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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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#ifndef UUID_E788439ED9F011DCB181F25B55D89593
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#define UUID_E788439ED9F011DCB181F25B55D89593
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#include <boost/exception/to_string.hpp>
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#include <iomanip>
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#include <typeinfo>
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namespace
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boost
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{
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namespace
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exception_detail
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{
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template <bool ToStringAvailable>
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struct
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to_string_dispatcher
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{
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template <class T,class Stub>
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static
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std::string
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convert( T const & x, Stub )
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{
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return to_string(x);
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}
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};
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template <>
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struct
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to_string_dispatcher<false>
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{
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template <class T,class Stub>
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static
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std::string
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convert( T const & x, Stub s )
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{
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return s(x);
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}
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};
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namespace
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to_string_dispatch
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{
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template <class T,class Stub>
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std::string
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dispatch( T const & x, Stub s )
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{
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return to_string_dispatcher<has_to_string<T>::value>::convert(x,s);
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}
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}
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template <class T>
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std::string
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string_stub_dump( T const & x )
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{
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std::ostringstream s;
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s << "[ type: " << typeid(x).name() << ", size: " << sizeof(T) << ", dump: ";
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size_t n=sizeof(T)>16?16:sizeof(T);
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s.fill('0');
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s.width(2);
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for( unsigned char const * b=reinterpret_cast<unsigned char const *>(&x),* e=b+n; b!=e; ++b )
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s << std::setw(2) << std::hex << (unsigned int)*b << " ";
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s << "]";
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return s.str();
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}
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}
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template <class T>
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std::string
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to_string_stub( T const & x )
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{
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return exception_detail::to_string_dispatch::dispatch(x,&exception_detail::string_stub_dump<T>);
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}
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template <class T,class Stub>
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std::string
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to_string_stub( T const & x, Stub s )
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{
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return exception_detail::to_string_dispatch::dispatch(x,s);
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}
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template <class T,class U>
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std::string
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to_string( std::pair<T,U> const & x )
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{
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return std::string("(") + to_string(x.first) + ',' + to_string(x.second) + ')';
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}
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}
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#endif
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