#include "wx/defs.h"
-#if wxUSE_STL
+#if wxUSE_STD_CONTAINERS
#include <vector>
+#include <algorithm>
+
#define wxVector std::vector
+template<typename T>
+inline void wxVectorSort(wxVector<T>& 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"
#include <new> // 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
{
T *mem = (T*)::operator new(newCapacity * sizeof(T));
for ( size_t i = 0; i < occupiedSize; i++ )
{
- new(mem + i) T(old[i]);
+ ::new(mem + i) T(old[i]);
old[i].~T();
}
::operator delete(old);
T* sourceptr = source;
for ( size_t i = count; i > 0; --i, ++destptr, ++sourceptr )
{
- new(destptr) T(*sourceptr);
+ ::new(destptr) T(*sourceptr);
sourceptr->~T();
}
}
T* sourceptr = source + count - 1;
for ( size_t i = count; i > 0; --i, --destptr, --sourceptr )
{
- new(destptr) T(*sourceptr);
+ ::new(destptr) T(*sourceptr);
sourceptr->~T();
}
}
// 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<T>::value,
+ //
+ // Note that bcc needs the extra parentheses for non-type template
+ // arguments to compile this expression.
+ typedef typename wxIf< (wxIsMovable<T>::value),
wxPrivate::wxVectorMemOpsMovable<T>,
wxPrivate::wxVectorMemOpsGeneric<T> >::value
Ops;
wxVector() : m_size(0), m_capacity(0), m_values(NULL) {}
+ wxVector(size_type p_size)
+ : m_size(0), m_capacity(0), m_values(NULL)
+ {
+ reserve(p_size);
+ for ( size_t n = 0; n < p_size; n++ )
+ push_back(value_type());
+ }
+
+ wxVector(size_type p_size, const value_type& v)
+ : m_size(0), m_capacity(0), m_values(NULL)
+ {
+ reserve(p_size);
+ for ( size_t n = 0; n < p_size; n++ )
+ push_back(v);
+ }
+
wxVector(const wxVector& c) : m_size(0), m_capacity(0), m_values(NULL)
{
Copy(c);
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);
+ }
+
+ void swap(wxVector& v)
+ {
+ wxSwap(m_size, v.m_size);
+ wxSwap(m_capacity, v.m_capacity);
+ wxSwap(m_values, v.m_values);
+ }
+
void clear()
{
// call destructors of stored objects:
// 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;
m_capacity = n;
}
+ void resize(size_type n)
+ {
+ if ( n < m_size )
+ Shrink(n);
+ else if ( n > m_size )
+ Extend(n, value_type());
+ }
+
+ void resize(size_type n, const value_type& v)
+ {
+ if ( n < m_size )
+ Shrink(n);
+ else if ( n > m_size )
+ Extend(n, v);
+ }
+
size_type size() const
{
return m_size;
wxVector& operator=(const wxVector& vb)
{
- clear();
- Copy(vb);
+ if (this != &vb)
+ {
+ clear();
+ Copy(vb);
+ }
return *this;
}
// use placement new to initialize new object in preallocated place in
// m_values and store 'v' in it:
void* const place = m_values + m_size;
- new(place) value_type(v);
+ ::new(place) value_type(v);
// only increase m_size if the ctor didn't throw an exception; notice
// that if it _did_ throw, everything is OK, because we only increased
// use placement new to initialize new object in preallocated place in
// m_values and store 'v' in it:
- new(place) value_type(v);
+ ::new(place) value_type(v);
// now that we did successfully add the new element, increment the size
// and disable moving the items back
}
private:
+ void Shrink(size_type n)
+ {
+ for ( size_type i = n; i < m_size; i++ )
+ m_values[i].~T();
+ m_size = n;
+ }
+
+ void Extend(size_type n, const value_type& v)
+ {
+ reserve(n);
+ for ( size_type i = m_size; i < n; i++ )
+ push_back(v);
+ }
+
size_type m_size,
m_capacity;
value_type *m_values;
}
#endif // WXWIN_COMPATIBILITY_2_8
-#endif // wxUSE_STL/!wxUSE_STL
+
+
+namespace wxPrivate
+{
+
+// This is a helper for the wxVectorSort function, and should not be used
+// directly in user's code.
+template<typename T>
+struct wxVectorComparator
+{
+ static int
+ Compare(const void* pitem1, const void* pitem2, const void* )
+ {
+ const T& item1 = *reinterpret_cast<const T*>(pitem1);
+ const T& item2 = *reinterpret_cast<const T*>(pitem2);
+
+ if (item1 < item2)
+ return -1;
+ else if (item2 < item1)
+ return 1;
+ else
+ return 0;
+ }
+};
+
+} // namespace wxPrivate
+
+
+
+template<typename T>
+void wxVectorSort(wxVector<T>& v)
+{
+ wxQsort(v.begin(), v.size(), sizeof(T),
+ wxPrivate::wxVectorComparator<T>::Compare, NULL);
+}
+
+
+
+#endif // wxUSE_STD_CONTAINERS/!wxUSE_STD_CONTAINERS
#if WXWIN_COMPATIBILITY_2_8
#define WX_DECLARE_VECTORBASE(obj, cls) typedef wxVector<obj> cls
projects / wxWidgets.git / blobdiff