X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/54742e34262c249c6aa17028ff57bd993faea82f..e2cb366f612460ba70fb12560c112fef2d8389dd:/include/wx/vector.h diff --git a/include/wx/vector.h b/include/wx/vector.h index 2337d3d326..ab07ca0f4a 100644 --- a/include/wx/vector.h +++ b/include/wx/vector.h @@ -80,7 +80,7 @@ struct wxVectorMemOpsGeneric T* sourceptr = source; for ( size_t i = count; i > 0; --i, ++destptr, ++sourceptr ) { - new(destptr) T(*sourceptr); + ::new(destptr) T(*sourceptr); sourceptr->~T(); } } @@ -92,7 +92,7 @@ struct wxVectorMemOpsGeneric 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(); } } @@ -169,6 +169,22 @@ public: wxVector() : m_size(0), m_capacity(0), m_values(NULL) {} + wxVector(size_type size) + : m_size(0), m_capacity(0), m_values(NULL) + { + reserve(size); + for ( size_t n = 0; n < size; n++ ) + push_back(value_type()); + } + + wxVector(size_type size, const value_type& v) + : m_size(0), m_capacity(0), m_values(NULL) + { + reserve(size); + for ( size_t n = 0; n < size; n++ ) + push_back(v); + } + wxVector(const wxVector& c) : m_size(0), m_capacity(0), m_values(NULL) { Copy(c); @@ -213,6 +229,22 @@ public: 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; @@ -230,8 +262,11 @@ public: wxVector& operator=(const wxVector& vb) { - clear(); - Copy(vb); + if (this != &vb) + { + clear(); + Copy(vb); + } return *this; } @@ -309,7 +344,7 @@ public: // 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 @@ -367,6 +402,20 @@ private: } 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;