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// sstream standard header |
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#pragma once |
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#ifndef _SSTREAM_ |
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#define _SSTREAM_ |
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#ifndef RC_INVOKED |
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#include <string> |
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#ifdef _MSC_VER |
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#pragma pack(push,_CRT_PACKING) |
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#pragma warning(push,3) |
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#endif /* _MSC_VER */ |
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_STD_BEGIN |
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#pragma warning(disable:4251) |
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// TEMPLATE CLASS basic_stringbuf |
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template<class _Elem, |
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class _Traits, |
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class _Alloc> |
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class basic_stringbuf |
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: public basic_streambuf<_Elem, _Traits> |
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{ // stream buffer maintaining an allocated character array |
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public: |
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typedef _Alloc allocator_type; |
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typedef basic_streambuf<_Elem, _Traits> _Mysb; |
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typedef basic_string<_Elem, _Traits, _Alloc> _Mystr; |
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explicit __CLR_OR_THIS_CALL basic_stringbuf(ios_base::openmode _Mode = |
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ios_base::in | ios_base::out) |
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{ // construct empty character buffer from mode |
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_Init(0, 0, _Getstate(_Mode)); |
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} |
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explicit __CLR_OR_THIS_CALL basic_stringbuf(const _Mystr& _Str, |
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ios_base::openmode _Mode = ios_base::in | ios_base::out) |
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{ // construct character buffer from string, mode |
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_Init(_Str.c_str(), _Str.size(), _Getstate(_Mode)); |
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} |
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virtual __CLR_OR_THIS_CALL ~basic_stringbuf() |
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{ // destroy the object |
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_Tidy(); |
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} |
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enum |
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{ // constants for bits in stream state |
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_Allocated = 1, // set if character array storage has been allocated |
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_Constant = 2, // set if character array nonmutable |
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_Noread = 4, // set if character array cannot be read |
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_Append = 8, // set if all writes are appends |
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_Atend = 16}; // set if initial writes are appends |
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typedef int _Strstate; |
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typedef typename _Traits::int_type int_type; |
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typedef typename _Traits::pos_type pos_type; |
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typedef typename _Traits::off_type off_type; |
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_Pnew + _Count); // setup read buffer |
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if (!(_Mystate & _Constant)) |
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{ // setup write buffer, and maybe read buffer |
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_Mysb::setp(_Pnew, |
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(_Mystate & _Atend) ? _Pnew + _Count : _Pnew, |
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_Pnew + _Count); |
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if (_Mysb::gptr() == 0) |
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_Mysb::setg(_Pnew, 0, _Pnew); |
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} |
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_Mystate |= _Allocated; |
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} |
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} |
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void __CLR_OR_THIS_CALL _Tidy() |
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{ // discard any allocated buffer and clear pointers |
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if (_Mystate & _Allocated) |
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_Al.deallocate(_Mysb::eback(), |
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(_Mysb::pptr() != 0 ? _Mysb::epptr() |
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: _Mysb::egptr()) - _Mysb::eback()); |
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_Mysb::setg(0, 0, 0); |
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_Mysb::setp(0, 0); |
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_Seekhigh = 0; |
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_Mystate &= ~_Allocated; |
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} |
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private: |
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enum |
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{ // constant for minimum buffer size |
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_MINSIZE = 32}; |
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_Strstate __CLR_OR_THIS_CALL _Getstate(ios_base::openmode _Mode) |
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{ // convert open mode to stream state bits |
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_Strstate _State = (_Strstate)0; |
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if (!(_Mode & ios_base::in)) |
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_State |= _Noread; |
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if (!(_Mode & ios_base::out)) |
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_State |= _Constant; |
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if (_Mode & ios_base::app) |
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_State |= _Append; |
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if (_Mode & ios_base::ate) |
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_State |= _Atend; |
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return (_State); |
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} |
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_Elem *_Seekhigh; // the high-water pointer in character array |
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_Strstate _Mystate; // the stream state |
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allocator_type _Al; // the allocator object |
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}; |
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#if defined(_DLL_CPPLIB) && !defined(_M_CEE_PURE) |
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template class _CRTIMP2_PURE basic_stringbuf<char, |
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char_traits<char>, allocator<char> >; |
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template class _CRTIMP2_PURE basic_stringbuf<wchar_t, |
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char_traits<wchar_t>, allocator<wchar_t> >; |
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#endif /* _DLL_CPPLIB */ |
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// TEMPLATE CLASS basic_istringstream |
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template<class _Elem, |
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class _Traits, |
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class _Alloc> |
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class basic_istringstream |
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: public basic_istream<_Elem, _Traits> |
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{ // input stream associated with a character array |
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public: |
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typedef _Alloc allocator_type; |
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typedef basic_stringbuf<_Elem, _Traits, _Alloc> _Mysb; |
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typedef basic_string<_Elem, _Traits, _Alloc> _Mystr; |
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explicit __CLR_OR_THIS_CALL basic_istringstream(ios_base::openmode _Mode = ios_base::in) |
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: basic_istream<_Elem, _Traits>(&_Stringbuffer), |
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_Stringbuffer(_Mode | ios_base::in) |
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{ // construct empty readable character buffer |
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} |
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explicit __CLR_OR_THIS_CALL basic_istringstream(const _Mystr& _Str, |
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ios_base::openmode _Mode = ios_base::in) |
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: basic_istream<_Elem, _Traits>(&_Stringbuffer), |
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_Stringbuffer(_Str, _Mode | ios_base::in) |
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{ // construct readable character buffer from NTCS |
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} |
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virtual __CLR_OR_THIS_CALL ~basic_istringstream() |
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{ // destroy the object |
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} |
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_Mysb *__CLR_OR_THIS_CALL rdbuf() const |
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{ // return pointer to file buffer |
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return ((_Mysb *)&_Stringbuffer); |
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} |
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_Mystr __CLR_OR_THIS_CALL str() const |
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{ // return string copy of character array |
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return (_Stringbuffer.str()); |
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} |
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void __CLR_OR_THIS_CALL str(const _Mystr& _Newstr) |
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{ // replace character array from string |
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_Stringbuffer.str(_Newstr); |
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} |
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private: |
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_Mysb _Stringbuffer; // the string buffer |
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}; |
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#if defined(_DLL_CPPLIB) && !defined(_M_CEE_PURE) |
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template class _CRTIMP2_PURE basic_istringstream<char, |
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char_traits<char>, allocator<char> >; |
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template class _CRTIMP2_PURE basic_istringstream<wchar_t, |
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char_traits<wchar_t>, allocator<wchar_t> >; |
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#endif /* _DLL_CPPLIB */ |
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// TEMPLATE CLASS basic_ostringstream |
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template<class _Elem, |
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class _Traits, |
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class _Alloc> |
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class basic_ostringstream |
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: public basic_ostream<_Elem, _Traits> |
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{ // output stream associated with a character array |
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public: |
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typedef _Alloc allocator_type; |
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typedef basic_stringbuf<_Elem, _Traits, _Alloc> _Mysb; |
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typedef basic_string<_Elem, _Traits, _Alloc> _Mystr; |
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explicit __CLR_OR_THIS_CALL basic_ostringstream(ios_base::openmode _Mode = ios_base::out) |
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: basic_ostream<_Elem, _Traits>(&_Stringbuffer), |
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_Stringbuffer(_Mode | ios_base::out) |
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{ // construct empty writable character buffer |
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} |
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explicit __CLR_OR_THIS_CALL basic_ostringstream(const _Mystr& _Str, |
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ios_base::openmode _Mode = ios_base::out) |
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: basic_ostream<_Elem, _Traits>(&_Stringbuffer), |
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_Stringbuffer(_Str, _Mode | ios_base::out) |
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{ // construct writable character buffer from NTCS |
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} |
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virtual __CLR_OR_THIS_CALL ~basic_ostringstream() |
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{ // destroy the object |
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} |
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_Mysb *__CLR_OR_THIS_CALL rdbuf() const |
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{ // return pointer to buffer |
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return ((_Mysb *)&_Stringbuffer); |
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} |
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_Mystr __CLR_OR_THIS_CALL str() const |
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{ // return string copy of character array |
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return (_Stringbuffer.str()); |
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} |
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void __CLR_OR_THIS_CALL str(const _Mystr& _Newstr) |
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{ // replace character array from string |
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_Stringbuffer.str(_Newstr); |
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} |
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private: |
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_Mysb _Stringbuffer; // the string buffer |
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}; |
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#if defined(_DLL_CPPLIB) && !defined(_M_CEE_PURE) |
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template class _CRTIMP2_PURE basic_ostringstream<char, |
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char_traits<char>, allocator<char> >; |
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template class _CRTIMP2_PURE basic_ostringstream<wchar_t, |
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char_traits<wchar_t>, allocator<wchar_t> >; |
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#endif /* _DLL_CPPLIB */ |
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// TEMPLATE CLASS basic_stringstream |
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template<class _Elem, |
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class _Traits, |
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class _Alloc> |
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class basic_stringstream |
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: public basic_iostream<_Elem, _Traits> |
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{ // input/output stream associated with a character array |
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public: |
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typedef _Elem char_type; |
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typedef _Traits traits_type; |
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typedef _Alloc allocator_type; |
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typedef typename _Traits::int_type int_type; |
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typedef typename _Traits::pos_type pos_type; |
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typedef typename _Traits::off_type off_type; |
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typedef basic_string<_Elem, _Traits, _Alloc> _Mystr; |
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explicit __CLR_OR_THIS_CALL basic_stringstream(ios_base::openmode _Mode = |
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ios_base::in | ios_base::out) |
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: basic_iostream<_Elem, _Traits>(&_Stringbuffer), |
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_Stringbuffer(_Mode) |
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{ // construct empty character buffer |
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} |
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explicit __CLR_OR_THIS_CALL basic_stringstream(const _Mystr& _Str, |
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ios_base::openmode _Mode = ios_base::in | ios_base::out) |
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: basic_iostream<_Elem, _Traits>(&_Stringbuffer), |
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_Stringbuffer(_Str, _Mode) |
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{ // construct character buffer from NTCS |
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} |
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virtual __CLR_OR_THIS_CALL ~basic_stringstream() |
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{ // destroy the object |
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} |
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basic_stringbuf<_Elem, _Traits, _Alloc> *__CLR_OR_THIS_CALL rdbuf() const |
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{ // return pointer to buffer |
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return ((basic_stringbuf<_Elem, _Traits, _Alloc> *)&_Stringbuffer); |
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} |
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_Mystr __CLR_OR_THIS_CALL str() const |
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{ // return string copy of character array |
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return (_Stringbuffer.str()); |
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} |
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void __CLR_OR_THIS_CALL str(const _Mystr& _Newstr) |
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{ // replace character array from string |
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_Stringbuffer.str(_Newstr); |
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} |
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private: |
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basic_stringbuf<_Elem, _Traits, _Alloc> |
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_Stringbuffer; // the string buffer |
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}; |
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#if defined(_DLL_CPPLIB) && !defined(_M_CEE_PURE) |
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template class _CRTIMP2_PURE basic_stringstream<char, |
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char_traits<char>, allocator<char> >; |
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template class _CRTIMP2_PURE basic_stringstream<wchar_t, |
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char_traits<wchar_t>, allocator<wchar_t> >; |
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#endif /* _DLL_CPPLIB */ |
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_STD_END |
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#ifdef _MSC_VER |
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#pragma warning(pop) |
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#pragma pack(pop) |
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#endif /* _MSC_VER */ |
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#endif /* RC_INVOKED */ |
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#endif /* _SSTREAM_ */ |
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/* |
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* Copyright (c) 1992-2008 by P.J. Plauger. ALL RIGHTS RESERVED. |
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* Consult your license regarding permissions and restrictions. |
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V5.05:0009 */ |
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