PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
clear()
{
_GLIBCXX_DEBUG_ONLY(assert_valid();)
if (m_size == 0)
{
_GLIBCXX_DEBUG_ONLY(assert_valid();)
return;
}
else
{
reallocate_metadata((node_update* )this, 0);
cond_dtor<size_type> cd(m_a_values, m_end_it, m_size);
}
_GLIBCXX_DEBUG_ONLY(map_debug_base::clear();)
m_a_values = NULL;
m_size = 0;
m_end_it = m_a_values;
_GLIBCXX_DEBUG_ONLY(assert_valid();)
}
PB_DS_CLASS_T_DEC
template<typename Pred>
inline typename PB_DS_CLASS_C_DEC::size_type
PB_DS_CLASS_C_DEC::
erase_if(Pred pred)
{
_GLIBCXX_DEBUG_ONLY(assert_valid();)
#ifdef PB_DS_REGRESSION
typename Allocator::group_throw_prob_adjustor adjust(m_size);
#endif
size_type new_size = 0;
size_type num_val_ersd = 0;
iterator source_it = m_a_values;
for (source_it = begin(); source_it != m_end_it; ++source_it)
if (!pred(*source_it))
++new_size;
else
++num_val_ersd;
if (new_size == 0)
{
clear();
return num_val_ersd;
}
value_vector a_new_values = s_value_alloc.allocate(new_size);
iterator target_it = a_new_values;
cond_dtor<size_type> cd(a_new_values, target_it, new_size);
_GLIBCXX_DEBUG_ONLY(map_debug_base::clear());
for (source_it = begin(); source_it != m_end_it; ++source_it)
{
if (!pred(*source_it))
{
new (const_cast<void*>(static_cast<const void* >(target_it)))
value_type(*source_it);
_GLIBCXX_DEBUG_ONLY(map_debug_base::insert_new(PB_DS_V2F(*source_it)));
++target_it;
}
}
reallocate_metadata((node_update* )this, new_size);
cd.set_no_action();
{
cond_dtor<size_type> cd1(m_a_values, m_end_it, m_size);
}
m_a_values = a_new_values;
m_size = new_size;
m_end_it = target_it;
update(node_begin(), (node_update* )this);
_GLIBCXX_DEBUG_ONLY(assert_valid();)
return num_val_ersd;
}
PB_DS_CLASS_T_DEC
template<typename It>
It
PB_DS_CLASS_C_DEC::
erase_imp(It it)
{
_GLIBCXX_DEBUG_ONLY(assert_valid();)
if (it == end())
return end();
_GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::check_key_exists(PB_DS_V2F(*it));)
#ifdef PB_DS_REGRESSION
typename Allocator::group_throw_prob_adjustor adjust(m_size);
#endif
_GLIBCXX_DEBUG_ASSERT(m_size > 0);
value_vector a_values = s_value_alloc.allocate(m_size - 1);
iterator source_it = begin();
iterator source_end_it = end();
iterator target_it = a_values;
iterator ret_it = end();
cond_dtor<size_type> cd(a_values, target_it, m_size - 1);
_GLIBCXX_DEBUG_ONLY(size_type cnt = 0;)
while (source_it != source_end_it)
{
if (source_it != it)
{
_GLIBCXX_DEBUG_ONLY(++cnt;)
_GLIBCXX_DEBUG_ASSERT(cnt != m_size);
new (const_cast<void* >(static_cast<const void* >(target_it)))
value_type(*source_it);
++target_it;
}
else
ret_it = target_it;
++source_it;
}
_GLIBCXX_DEBUG_ASSERT(m_size > 0);
reallocate_metadata((node_update* )this, m_size - 1);
cd.set_no_action();
_GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::erase_existing(PB_DS_V2F(*it));)
{
cond_dtor<size_type> cd1(m_a_values, m_end_it, m_size);
}
m_a_values = a_values;
--m_size;
m_end_it = m_a_values + m_size;
update(node_begin(), (node_update* )this);
_GLIBCXX_DEBUG_ONLY(assert_valid();)
return It(ret_it);
}
PB_DS_CLASS_T_DEC
bool
PB_DS_CLASS_C_DEC::
erase(const_key_reference r_key)
{
point_iterator it = find(r_key);
if (it == end())
return false;
erase(it);
return true;
}