X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0a492dbe7a073bd3fa66a1783b8e3ac62d33a89b..438959cca892a7651634cc3a7aad4819ac49b23c:/include/wx/vector.h diff --git a/include/wx/vector.h b/include/wx/vector.h index 3af683621f..dffb19fc9d 100644 --- a/include/wx/vector.h +++ b/include/wx/vector.h @@ -14,7 +14,7 @@ #include "wx/defs.h" -#if wxUSE_STL +#if wxUSE_STD_CONTAINERS #include #include @@ -26,9 +26,8 @@ inline void wxVectorSort(wxVector& v) std::sort(v.begin(), v.end()); } -#else // !wxUSE_STL +#else // !wxUSE_STD_CONTAINERS -#include "wx/utils.h" #include "wx/scopeguard.h" #include "wx/meta/movable.h" #include "wx/meta/if.h" @@ -37,6 +36,15 @@ inline void wxVectorSort(wxVector& v) #include // for placement new #include "wx/afterstd.h" +// wxQsort is declared in wx/utils.h, but can't include that file here, +// it indirectly includes this file. Just lovely... +typedef int (*wxSortCallback)(const void* pItem1, + const void* pItem2, + const void* user_data); +WXDLLIMPEXP_BASE void wxQsort(void* pbase, size_t total_elems, + size_t size, wxSortCallback cmp, + const void* user_data); + namespace wxPrivate { @@ -118,7 +126,10 @@ private: // Note that we use typedef instead of privately deriving from this (which // would allowed us to omit "Ops::" prefixes below) to keep VC6 happy, // it can't compile code that derives from wxIf<...>::value. - typedef typename wxIf< wxIsMovable::value, + // + // Note that bcc needs the extra parentheses for non-type template + // arguments to compile this expression. + typedef typename wxIf< (wxIsMovable::value), wxPrivate::wxVectorMemOpsMovable, wxPrivate::wxVectorMemOpsGeneric >::value Ops; @@ -128,9 +139,11 @@ public: typedef size_t difference_type; typedef T value_type; typedef value_type* pointer; + typedef const value_type* const_pointer; typedef value_type* iterator; typedef const value_type* const_iterator; typedef value_type& reference; + typedef const value_type& const_reference; class reverse_iterator { @@ -172,6 +185,51 @@ public: private: value_type *m_ptr; + + friend class const_reverse_iterator; + }; + + class const_reverse_iterator + { + public: + const_reverse_iterator() : m_ptr(NULL) { } + wxEXPLICIT const_reverse_iterator(const_iterator it) : m_ptr(it) { } + const_reverse_iterator(const reverse_iterator& it) : m_ptr(it.m_ptr) { } + const_reverse_iterator(const const_reverse_iterator& it) : m_ptr(it.m_ptr) { } + + const_reference operator*() const { return *m_ptr; } + const_pointer operator->() const { return m_ptr; } + + const_iterator base() const { return m_ptr; } + + const_reverse_iterator& operator++() + { --m_ptr; return *this; } + const_reverse_iterator operator++(int) + { const_reverse_iterator tmp = *this; --m_ptr; return tmp; } + const_reverse_iterator& operator--() + { ++m_ptr; return *this; } + const_reverse_iterator operator--(int) + { const_reverse_iterator tmp = *this; ++m_ptr; return tmp; } + + const_reverse_iterator operator+(difference_type n) const + { return const_reverse_iterator(m_ptr - n); } + const_reverse_iterator& operator+=(difference_type n) + { m_ptr -= n; return *this; } + const_reverse_iterator operator-(difference_type n) const + { return const_reverse_iterator(m_ptr + n); } + const_reverse_iterator& operator-=(difference_type n) + { m_ptr += n; return *this; } + + const_reference operator[](difference_type n) const + { return *(*this + n); } + + bool operator ==(const const_reverse_iterator& it) const + { return m_ptr == it.m_ptr; } + bool operator !=(const const_reverse_iterator& it) const + { return m_ptr != it.m_ptr; } + + protected: + const value_type *m_ptr; }; wxVector() : m_size(0), m_capacity(0), m_values(NULL) {} @@ -197,11 +255,39 @@ public: Copy(c); } + template + wxVector(InputIterator first, InputIterator last) + : m_size(0), m_capacity(0), m_values(NULL) + { + assign(first, last); + } + ~wxVector() { clear(); } + void assign(size_type p_size, const value_type& v) + { + clear(); + reserve(p_size); + for ( size_t n = 0; n < p_size; n++ ) + push_back(v); + } + + template + void assign(InputIterator first, InputIterator last) + { + clear(); + + // Notice that it would be nice to call reserve() here but we can't do + // it for arbitrary input iterators, we should have a dispatch on + // iterator type and call it if possible. + + for ( InputIterator it = first; it != last; ++it ) + push_back(*it); + } + void swap(wxVector& v) { wxSwap(m_size, v.m_size); @@ -231,10 +317,12 @@ public: // increase the size twice, unless we're already too big or unless // more is requested // - // NB: casts to size_type are needed to suppress mingw32 warnings about - // mixing enums and ints in the same expression + // NB: casts to size_type are needed to suppress warnings about + // mixing enumeral and non-enumeral type in conditional expression const size_type increment = m_size > 0 - ? wxMin(m_size, (size_type)ALLOC_MAX_SIZE) + ? m_size < ALLOC_MAX_SIZE + ? m_size + : (size_type)ALLOC_MAX_SIZE : (size_type)ALLOC_INITIAL_SIZE; if ( m_capacity + increment > n ) n = m_capacity + increment; @@ -332,6 +420,9 @@ public: reverse_iterator rbegin() { return reverse_iterator(end() - 1); } reverse_iterator rend() { return reverse_iterator(begin() - 1); } + const_reverse_iterator rbegin() const { return const_reverse_iterator(end() - 1); } + const_reverse_iterator rend() const { return const_reverse_iterator(begin() - 1); } + iterator insert(iterator it, const value_type& v = value_type()) { // NB: this must be done before reserve(), because reserve() @@ -448,22 +539,26 @@ inline typename wxVector::size_type wxVector::erase(size_type n) namespace wxPrivate { - // This function is a helper for the wxVectorSort function, and should - // not be used directly in user's code. +// This is a helper for the wxVectorSort function, and should not be used +// directly in user's code. template -int wxCMPFUNC_CONV wxVectorSort_compare(const void* pitem1, const void* pitem2, const void* ) +struct wxVectorComparator { - const T& item1 = *reinterpret_cast(pitem1); - const T& item2 = *reinterpret_cast(pitem2); - - if (item1 < item2) - return -1; - else if (item2 < item1) - return 1; - else - return 0; -} + static int + Compare(const void* pitem1, const void* pitem2, const void* ) + { + const T& item1 = *reinterpret_cast(pitem1); + const T& item2 = *reinterpret_cast(pitem2); + + if (item1 < item2) + return -1; + else if (item2 < item1) + return 1; + else + return 0; + } +}; } // namespace wxPrivate @@ -473,12 +568,12 @@ template void wxVectorSort(wxVector& v) { wxQsort(v.begin(), v.size(), sizeof(T), - wxPrivate::wxVectorSort_compare, NULL); + wxPrivate::wxVectorComparator::Compare, NULL); } -#endif // wxUSE_STL/!wxUSE_STL +#endif // wxUSE_STD_CONTAINERS/!wxUSE_STD_CONTAINERS #if WXWIN_COMPATIBILITY_2_8 #define WX_DECLARE_VECTORBASE(obj, cls) typedef wxVector cls