0,0 → 1,191 |
// -*- C++ -*- |
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// Copyright (C) 2005-2013 Free Software Foundation, Inc. |
// |
// This file is part of the GNU ISO C++ Library. This library is free |
// software; you can redistribute it and/or modify it under the terms |
// of the GNU General Public License as published by the Free Software |
// Foundation; either version 3, or (at your option) any later |
// version. |
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// This library is distributed in the hope that it will be useful, but |
// WITHOUT ANY WARRANTY; without even the implied warranty of |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
// General Public License for more details. |
|
// Under Section 7 of GPL version 3, you are granted additional |
// permissions described in the GCC Runtime Library Exception, version |
// 3.1, as published by the Free Software Foundation. |
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// You should have received a copy of the GNU General Public License and |
// a copy of the GCC Runtime Library Exception along with this program; |
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
// <http://www.gnu.org/licenses/>. |
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. |
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// Permission to use, copy, modify, sell, and distribute this software |
// is hereby granted without fee, provided that the above copyright |
// notice appears in all copies, and that both that copyright notice |
// and this permission notice appear in supporting documentation. None |
// of the above authors, nor IBM Haifa Research Laboratories, make any |
// representation about the suitability of this software for any |
// purpose. It is provided "as is" without express or implied |
// warranty. |
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/** |
* @file ov_tree_map_/erase_fn_imps.hpp |
* Contains an implementation class for ov_tree_. |
*/ |
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PB_DS_CLASS_T_DEC |
void |
PB_DS_CLASS_C_DEC:: |
clear() |
{ |
PB_DS_ASSERT_VALID((*this)) |
if (m_size == 0) |
{ |
return; |
} |
else |
{ |
reallocate_metadata((node_update* )this, 0); |
cond_dtor<size_type> cd(m_a_values, m_end_it, m_size); |
} |
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_GLIBCXX_DEBUG_ONLY(debug_base::clear();) |
m_a_values = 0; |
m_size = 0; |
m_end_it = m_a_values; |
PB_DS_ASSERT_VALID((*this)) |
} |
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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) |
{ |
PB_DS_ASSERT_VALID((*this)) |
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#ifdef PB_DS_REGRESSION |
typename _Alloc::group_adjustor adjust(m_size); |
#endif |
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size_type new_size = 0; |
size_type num_val_ersd = 0; |
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for (iterator source_it = begin(); source_it != m_end_it; ++source_it) |
if (!pred(*source_it)) |
++new_size; |
else |
++num_val_ersd; |
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if (new_size == 0) |
{ |
clear(); |
return num_val_ersd; |
} |
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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(debug_base::clear()); |
for (iterator 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); |
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_GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(*source_it))); |
++target_it; |
} |
} |
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reallocate_metadata((node_update*)this, new_size); |
cd.set_no_action(); |
|
{ |
cond_dtor<size_type> cd1(m_a_values, m_end_it, m_size); |
} |
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m_a_values = a_new_values; |
m_size = new_size; |
m_end_it = target_it; |
update(node_begin(), (node_update*)this); |
PB_DS_ASSERT_VALID((*this)) |
return num_val_ersd; |
} |
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PB_DS_CLASS_T_DEC |
template<typename It> |
It |
PB_DS_CLASS_C_DEC:: |
erase_imp(It it) |
{ |
PB_DS_ASSERT_VALID((*this)) |
if (it == end()) |
return end(); |
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PB_DS_CHECK_KEY_EXISTS(PB_DS_V2F(*it)) |
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#ifdef PB_DS_REGRESSION |
typename _Alloc::group_adjustor adjust(m_size); |
#endif |
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_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(); |
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cond_dtor<size_type> cd(a_values, target_it, m_size - 1); |
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_GLIBCXX_DEBUG_ONLY(size_type cnt = 0;) |
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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(debug_base::erase_existing(PB_DS_V2F(*it));) |
{ |
cond_dtor<size_type> cd1(m_a_values, m_end_it, m_size); |
} |
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m_a_values = a_values; |
--m_size; |
m_end_it = m_a_values + m_size; |
update(node_begin(), (node_update*)this); |
PB_DS_ASSERT_VALID((*this)) |
return It(ret_it); |
} |
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PB_DS_CLASS_T_DEC |
bool |
PB_DS_CLASS_C_DEC:: |
erase(key_const_reference r_key) |
{ |
point_iterator it = find(r_key); |
if (it == end()) |
return false; |
erase(it); |
return true; |
} |