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added wxVector::resize()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57248 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-11 13:45:04 +00:00
parent de150f6af9
commit e068310a5a
3 changed files with 73 additions and 3 deletions
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34
include/wx/vector.h
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@@ -170,7 +170,7 @@ public:
wxVector() : m_size(0), m_capacity(0), m_values(NULL) {}
wxVector(size_type size)
: m_size(0), m_capacity(0), m_values(NULL)
: m_size(0), m_capacity(0), m_values(NULL)
{
reserve(size);
for ( size_t n = 0; n < size; n++ )
@@ -178,7 +178,7 @@ public:
}
wxVector(size_type size, const value_type& v)
: m_size(0), m_capacity(0), m_values(NULL)
: m_size(0), m_capacity(0), m_values(NULL)
{
reserve(size);
for ( size_t n = 0; n < size; n++ )
@@ -229,6 +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;
@@ -386,6 +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;