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();
}
}
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 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:
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;