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// xutility stl/clr header |
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#ifndef _CLI_XUTILITY_ |
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#define _CLI_XUTILITY_ |
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#ifndef __cplusplus_cli |
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#error STL/CLR can be used only in code compiled /clr, clr:pure, or /clr:safe |
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#endif /* __cplusplus_cli */ |
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#using <Microsoft.VisualC.STLCLR.dll> |
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#ifdef _M_CEE_SAFE |
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#else /* _M_CEE_SAFE */ |
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#include <cstddef> // for ptrdiff_t, size_t |
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#include <xutility> // for iterator tags |
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#endif /* _M_CEE_SAFE */ |
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#define _STLCLR_FIELD_ACCESS internal |
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#define _STLCLR Microsoft::VisualC::StlClr:: |
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#define MAX_CONTAINER_SIZE ((int)((unsigned int)(-1) >> 1)) |
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namespace cliext { |
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// |
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// TEMPLATE METAPROGRAMMING AIDS |
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// |
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// |
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// TEMPLATE VALUE CLASS is_handle |
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// |
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template<typename _Value_t> |
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value class is_handle |
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{ // identify non-handle type |
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public: |
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static const bool value = false; |
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}; |
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template<typename _Value_t> |
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value class is_handle<_Value_t^> |
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{ // identify handle type |
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public: |
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static const bool value = true; |
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}; |
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// |
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// TEMPLATE VALUE CLASS _Container_traits |
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// |
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template<typename _Cont_t> |
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value class _Container_traits |
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{ // define types associated with a container |
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public: |
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typedef typename _Cont_t::generic_container generic_container; |
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typedef typename _Cont_t::generic_container^ generic_container_handle; |
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}; |
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template<typename _Cont_t> |
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value class _Container_traits<_Cont_t^> |
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{ // define type associated with a container handle |
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public: |
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typedef typename _Cont_t::generic_container generic_container; |
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typedef typename _Cont_t::generic_container^ generic_container_handle; |
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}; |
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// |
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// TEMPLATE VALUE CLASS _Dehandle |
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// |
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template<typename _Value_t> |
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value class _Dehandle |
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{ // define non-handle type |
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public: |
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typedef _Value_t type; |
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}; |
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template<typename _Value_t> |
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value class _Dehandle<_Value_t^> |
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{ // define type with handle removed |
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public: |
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typedef _Value_t type; |
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}; |
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// |
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// TEMPLATE CLASS _Cont_make_value |
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// |
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template<typename _Value_t, |
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bool _Is_ref> |
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ref class _Cont_make_value |
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{ // make a non-ref value |
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public: |
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static _Value_t make_value(_Value_t% _Val) |
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{ // just return value |
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return (_Val); |
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} |
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static void unmake_value(_Value_t%) |
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{ // just do nothing |
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} |
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}; |
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template<typename _Value_t> |
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ref class _Cont_make_value<_Value_t, true> |
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{ // make a ref value |
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public: |
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static _Value_t make_value(_Value_t% _Val) |
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{ // return copy of value |
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return (gcnew typename _Dehandle<_Value_t>::type(_Val)); |
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} |
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static void unmake_value(_Value_t% _Val) |
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{ // delete object designated by handle value |
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delete _Val; |
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} |
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}; |
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// |
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// TEMPLATE VALUE CLASS _Generic_type |
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// |
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template<typename _Value_t, |
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bool isref = !is_handle<_Value_t>::value && __is_ref_class(_Value_t)> |
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value class _Generic_type; |
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template<typename _Value_t> |
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value class _Generic_type<_Value_t, false> |
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{ // define a non-ref type |
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public: |
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typedef _Value_t type; |
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}; |
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template<typename _Value_t> |
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value class _Generic_type<_Value_t, true> |
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{ // define a ref type |
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public: |
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typedef _Value_t^ type; |
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}; |
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// |
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// TEMPLATE FUNCTION _Handle_alloc |
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// |
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template<typename Mycont> inline |
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Mycont^ _Handle_alloc(Mycont^) |
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{ // allocate a container, given its handle type |
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return (gcnew Mycont); |
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} |
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// |
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// TEMPLATE CLASS _Fix_handle |
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// |
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#define _FIX_HANDLE(to, from, val) \ |
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cliext::_Fix_handle<to, from>::_Cvt(from(val)) |
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template<typename _To_t, |
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typename _From_t> |
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ref class _Fix_handle |
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{ // add or remove handle as needed, default version |
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public: |
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static _To_t _Cvt(_From_t _Val) |
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{ // convert _Val |
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return (_To_t(_Val)); |
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} |
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}; |
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template<typename _To_t, |
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typename _From_t> |
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ref class _Fix_handle<_To_t^, _From_t> |
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{ // add or remove handle as needed, add version |
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public: |
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static _To_t^ _Cvt(_From_t _Val) |
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{ // convert _Val |
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return (gcnew _To_t(_Val)); |
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} |
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}; |
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template<typename _To_t, |
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typename _From_t> |
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ref class _Fix_handle<_To_t, _From_t^> |
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{ // add or remove handle as needed, remove version |
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public: |
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static _To_t _Cvt(_From_t^ _Val) |
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{ // convert _Val |
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return (*_Val); |
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} |
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}; |
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template<typename _To_t, |
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typename _From_t> |
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ref class _Fix_handle<_To_t^, _From_t^> |
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{ // add or remove handle as needed, handles version |
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public: |
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static _To_t^ _Cvt(_From_t^ _Val) |
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{ // convert _Val |
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return (_Val); |
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} |
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}; |
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// |
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// ITERATOR TAGS |
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// |
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ref class input_iterator_tag |
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{ // identifying tag for input iterators |
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public: |
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typedef input_iterator_tag _Mytype_t; |
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input_iterator_tag() |
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{ // default constructor |
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} |
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input_iterator_tag(input_iterator_tag%) |
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{ // copy constructor |
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} |
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}; |
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ref class output_iterator_tag |
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{ // identifying tag for output iterators |
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public: |
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typedef output_iterator_tag _Mytype_t; |
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output_iterator_tag() |
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{ // default constructor |
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} |
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output_iterator_tag(output_iterator_tag%) |
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{ // copy constructor |
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} |
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}; |
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ref class forward_iterator_tag |
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: public input_iterator_tag |
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{ // identifying tag for forward iterators |
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public: |
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typedef forward_iterator_tag _Mytype_t; |
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forward_iterator_tag() |
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{ // default constructor |
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} |
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forward_iterator_tag(forward_iterator_tag%) |
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{ // copy constructor |
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} |
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}; |
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ref class bidirectional_iterator_tag |
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: public forward_iterator_tag |
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{ // identifying tag for bidirectional iterators |
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public: |
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typedef bidirectional_iterator_tag _Mytype_t; |
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bidirectional_iterator_tag() |
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{ // default constructor |
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} |
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bidirectional_iterator_tag(bidirectional_iterator_tag%) |
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{ // copy constructor |
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} |
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}; |
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ref class random_access_iterator_tag |
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: public bidirectional_iterator_tag |
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{ // identifying tag for random-access iterators |
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public: |
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typedef random_access_iterator_tag _Mytype_t; |
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random_access_iterator_tag() |
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{ // default constructor |
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} |
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random_access_iterator_tag(random_access_iterator_tag%) |
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{ // copy constructor |
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} |
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}; |
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ref class _Int_iterator_tag |
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{ // identifying tag for integer types, not an iterator |
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public: |
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typedef _Int_iterator_tag _Mytype_t; |
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_Int_iterator_tag() |
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{ // default constructor |
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} |
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_Int_iterator_tag(_Int_iterator_tag%) |
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{ // copy constructor |
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} |
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}; |
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// |
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// REF CLASS _Map_iter_cat |
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// |
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template<typename _Cat> |
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ref class _Map_iter_cat |
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{ // map to argument |
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public: |
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typedef _Cat iterator_category; |
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}; |
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#ifdef _M_CEE_SAFE |
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#else /* _M_CEE_SAFE */ |
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template<> |
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ref class _Map_iter_cat<std::input_iterator_tag> |
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{ // map to managed tag |
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public: |
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typedef input_iterator_tag iterator_category; |
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}; |
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template<> |
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ref class _Map_iter_cat<std::output_iterator_tag> |
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{ // map to managed tag |
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public: |
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typedef output_iterator_tag iterator_category; |
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}; |
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template<> |
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ref class _Map_iter_cat<std::forward_iterator_tag> |
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{ // map to managed tag |
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public: |
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typedef forward_iterator_tag iterator_category; |
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}; |
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template<> |
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ref class _Map_iter_cat<std::bidirectional_iterator_tag> |
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{ // map to managed tag |
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public: |
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typedef bidirectional_iterator_tag iterator_category; |
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}; |
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template<> |
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ref class _Map_iter_cat<std::random_access_iterator_tag> |
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{ // map to managed tag |
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public: |
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typedef random_access_iterator_tag iterator_category; |
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}; |
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template<> |
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ref class _Map_iter_cat<std::_Int_iterator_tag> |
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{ // map to managed tag |
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public: |
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typedef _Int_iterator_tag iterator_category; |
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}; |
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#endif /* _M_CEE_SAFE */ |
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// |
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// TEMPLATE CLASS iterator_traits |
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// |
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template<class _Iter_t> |
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value class iterator_traits |
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{ // get traits from iterator _Iter |
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public: |
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typedef typename _Map_iter_cat< |
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typename _Iter_t::iterator_category>::iterator_category |
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iterator_category; |
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typedef typename _Iter_t::value_type value_type; |
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typedef typename _Iter_t::difference_type difference_type; |
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typedef difference_type distance_type; // retained |
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typedef typename _Iter_t::pointer pointer; |
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typedef typename _Iter_t::reference reference; |
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}; |
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template<typename _Iter_t> |
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value class iterator_traits<_Iter_t^> |
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{ // get traits from managed pointer |
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public: |
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typedef typename _Iter_t::iterator_category iterator_category; |
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typedef typename _Iter_t::value_type value_type; |
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typedef typename _Iter_t::difference_type difference_type; |
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typedef difference_type distance_type; // retained |
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typedef typename _Iter_t::pointer pointer; |
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typedef typename _Iter_t::reference reference; |
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}; |
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#ifdef _M_CEE_SAFE |
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#else /* _M_CEE_SAFE */ |
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template<class _Ty> |
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value class iterator_traits<_Ty *> |
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{ // get traits from pointer |
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public: |
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typedef random_access_iterator_tag iterator_category; |
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typedef _Ty value_type; |
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typedef std::ptrdiff_t difference_type; |
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typedef std::ptrdiff_t distance_type; // retained |
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typedef _Ty *pointer; |
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typedef _Ty& reference; |
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}; |
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template<class _Ty> |
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value class iterator_traits<const _Ty *> |
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{ // get traits from const pointer |
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public: |
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typedef random_access_iterator_tag iterator_category; |
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typedef _Ty value_type; |
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typedef std::ptrdiff_t difference_type; |
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typedef std::ptrdiff_t distance_type; // retained |
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typedef const _Ty *pointer; |
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typedef const _Ty& reference; |
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}; |
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#endif /* _M_CEE_SAFE */ |
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// |
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// PARTIAL SPECIALIZATIONS OF iterator_traits |
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// |
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template<class _Ty> |
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value class iterator_traits< |
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_STLCLR Generic::IInputIterator<_Ty>> |
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{ // get traits from generic interface |
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public: |
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typedef input_iterator_tag iterator_category; |
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typedef _Ty value_type; |
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typedef int difference_type; |
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typedef int distance_type; // retained |
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typedef typename _Ty% pointer; |
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typedef typename _Ty% reference; |
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}; |
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template<class _Ty> |
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value class iterator_traits< |
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_STLCLR Generic::IOutputIterator<_Ty>> |
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{ // get traits from generic interface |
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public: |
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typedef output_iterator_tag iterator_category; |
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typedef _Ty value_type; |
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typedef int difference_type; |