diff options
Diffstat (limited to 'system/include/libcxx/iomanip')
-rw-r--r-- | system/include/libcxx/iomanip | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/system/include/libcxx/iomanip b/system/include/libcxx/iomanip index 0c58e198..cdb0d5f0 100644 --- a/system/include/libcxx/iomanip +++ b/system/include/libcxx/iomanip @@ -26,6 +26,17 @@ template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = template <class charT> T9 get_time(struct tm* tmb, const charT* fmt); template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt); +template <class charT> + T11 quoted(const charT* s, charT delim=charT('"'), charT escape=charT('\\')); // C++14 + +template <class charT, class traits, class Allocator> + T12 quoted(const basic_string<charT, traits, Allocator>& s, + charT delim=charT('"'), charT escape=charT('\\')); // C++14 + +template <class charT, class traits, class Allocator> + T13 quoted(basic_string<charT, traits, Allocator>& s, + charT delim=charT('"'), charT escape=charT('\\')); // C++14 + } // std */ @@ -499,6 +510,142 @@ put_time(const tm* __tm, const _CharT* __fmt) return __iom_t10<_CharT>(__tm, __fmt); } +#if _LIBCPP_STD_VER > 11 + +template <class _CharT, class _Traits, class _ForwardIterator> +std::basic_ostream<_CharT, _Traits> & +__quoted_output ( basic_ostream<_CharT, _Traits> &__os, + _ForwardIterator __first, _ForwardIterator __last, _CharT __delim, _CharT __escape ) +{ + __os << __delim; + for ( ; __first != __last; ++ __first ) + { + if (_Traits::eq (*__first, __escape) || _Traits::eq (*__first, __delim)) + __os << __escape; + __os << *__first; + } + __os << __delim; + return __os; +} + +template <class _CharT, class _Traits, class _String> +basic_istream<_CharT, _Traits> & +__quoted_input ( basic_istream<_CharT, _Traits> &__is, _String & __string, _CharT __delim, _CharT __escape ) +{ + __string.clear (); + _CharT __c; + __is >> __c; + if ( __is.fail ()) + return __is; + + if (!_Traits::eq (__c, __delim)) // no delimiter, read the whole string + { + __is.unget (); + __is >> __string; + return __is; + } + + __save_flags<_CharT, _Traits> sf(__is); + noskipws (__is); + while (true) + { + __is >> __c; + if ( __is.fail ()) + break; + if (_Traits::eq (__c, __escape)) + { + __is >> __c; + if ( __is.fail ()) + break; + } + else if (_Traits::eq (__c, __delim)) + break; + __string.push_back ( __c ); + } + return __is; +} + + +template <class _CharT, class _Iter, class _Traits=char_traits<_CharT>> +struct __quoted_output_proxy +{ + _Iter __first; + _Iter __last; + _CharT __delim; + _CharT __escape; + + __quoted_output_proxy(_Iter __f, _Iter __l, _CharT __d, _CharT __e) + : __first(__f), __last(__l), __delim(__d), __escape(__e) {} + // This would be a nice place for a string_ref +}; + +template <class _CharT, class _Traits, class _Iter> +basic_ostream<_CharT, _Traits>& operator<<( + basic_ostream<_CharT, _Traits>& __os, + const __quoted_output_proxy<_CharT, _Iter, _Traits> & __proxy) +{ + return __quoted_output (__os, __proxy.__first, __proxy.__last, __proxy.__delim, __proxy.__escape); +} + +template <class _CharT, class _Traits, class _Allocator> +struct __quoted_proxy +{ + basic_string<_CharT, _Traits, _Allocator> &__string; + _CharT __delim; + _CharT __escape; + + __quoted_proxy(basic_string<_CharT, _Traits, _Allocator> &__s, _CharT __d, _CharT __e) + : __string(__s), __delim(__d), __escape(__e) {} +}; + +template <class _CharT, class _Traits, class _Allocator> +_LIBCPP_INLINE_VISIBILITY +basic_ostream<_CharT, _Traits>& operator<<( + basic_ostream<_CharT, _Traits>& __os, + const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy) +{ + return __quoted_output (__os, __proxy.string.cbegin (), __proxy.string.cend (), __proxy.__delim, __proxy.__escape); +} + +// extractor for non-const basic_string& proxies +template <class _CharT, class _Traits, class _Allocator> +_LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& operator>>( + basic_istream<_CharT, _Traits>& __is, + const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy) +{ + return __quoted_input ( __is, __proxy.__string, __proxy.__delim, __proxy.__escape ); +} + + +template <class _CharT> +_LIBCPP_INLINE_VISIBILITY +__quoted_output_proxy<_CharT, const _CharT *> +quoted ( const _CharT *__s, _CharT __delim = _CharT('"'), _CharT __escape =_CharT('\\')) +{ + const _CharT *__end = __s; + while ( *__end ) ++__end; + return __quoted_output_proxy<_CharT, const _CharT *> ( __s, __end, __delim, __escape ); +} + +template <class _CharT, class _Traits, class _Allocator> +_LIBCPP_INLINE_VISIBILITY +__quoted_output_proxy<_CharT, typename basic_string <_CharT, _Traits, _Allocator>::const_iterator> +quoted ( const basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\')) +{ + return __quoted_output_proxy<_CharT, + typename basic_string <_CharT, _Traits, _Allocator>::const_iterator> + ( __s.cbegin(), __s.cend (), __delim, __escape ); +} + +template <class _CharT, class _Traits, class _Allocator> +__quoted_proxy<_CharT, _Traits, _Allocator> +quoted ( basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\')) +{ + return __quoted_proxy<_CharT, _Traits, _Allocator>( __s, __delim, __escape ); +} +#endif + _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP_IOMANIP |