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94 lines
2.3 KiB
94 lines
2.3 KiB
//Copyright (c) 2006-2009 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 BOOST_EXCEPTION_7E48761AD92811DC9011477D56D89593 |
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#define BOOST_EXCEPTION_7E48761AD92811DC9011477D56D89593 |
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#include <boost/core/enable_if.hpp> |
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#include <boost/exception/detail/is_output_streamable.hpp> |
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#include <sstream> |
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#ifndef BOOST_EXCEPTION_ENABLE_WARNINGS |
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#if defined(__GNUC__) && __GNUC__*100+__GNUC_MINOR__>301 |
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#pragma GCC system_header |
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#endif |
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#ifdef __clang__ |
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#pragma clang system_header |
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#endif |
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#ifdef _MSC_VER |
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#pragma warning(push,1) |
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#endif |
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#endif |
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namespace |
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boost |
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{ |
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template <class T,class U> |
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std::string to_string( std::pair<T,U> const & ); |
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std::string to_string( std::exception const & ); |
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namespace |
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to_string_detail |
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{ |
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template <class T> |
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typename disable_if<is_output_streamable<T>,char>::type to_string( T const & ); |
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using boost::to_string; |
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template <class,bool IsOutputStreamable> |
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struct has_to_string_impl; |
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template <class T> |
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struct |
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has_to_string_impl<T,true> |
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{ |
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enum e { value=1 }; |
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}; |
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template <class T> |
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struct |
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has_to_string_impl<T,false> |
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{ |
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static T const & f(); |
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enum e { value=1!=sizeof(to_string(f())) }; |
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}; |
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} |
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template <class T> |
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inline |
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typename enable_if<is_output_streamable<T>,std::string>::type |
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to_string( T const & x ) |
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{ |
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std::ostringstream out; |
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out << x; |
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return out.str(); |
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} |
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template <class T> |
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struct |
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has_to_string |
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{ |
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enum e { value=to_string_detail::has_to_string_impl<T,is_output_streamable<T>::value>::value }; |
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}; |
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template <class T,class U> |
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inline |
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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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inline |
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std::string |
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to_string( std::exception const & x ) |
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{ |
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return x.what(); |
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} |
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} |
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#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS) |
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#pragma warning(pop) |
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#endif |
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#endif
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